Canadian Natural Resources Limited (TSX: CNQ) (NYSE: CNQ)

Commenting on second quarter results, Canadian Natural's Chairman, Allan Markin stated, "We have reached the mid-point of 2010 and continue to deliver solid results. The Company had excellent operating performance in all areas with production volumes either meeting or exceeding guidance. We continue to focus on efficient operations to provide value, which is evident across our entire asset base."

John Langille, Vice-Chairman of Canadian Natural continued, "Canadian Natural continues to deliver shareholder value with excellent second quarter cash flow and earnings. We remain committed to ensuring a strong financial position and will continue to allocate capital to the highest return projects for the short-, mid- and long-term. All operating divisions continue to execute the plans for 2010 and provide significant free cash flow to the Company."

Steve Laut, President for Canadian Natural stated, "The second quarter results demonstrate the strength of our team. At Horizon, we successfully completed planned maintenance in May and gained another quarter of good operating experience. Strong thermal execution resulted in significant production volume increases and the ability of our natural gas team to optimize operations has led to positive results in production and cost control."


                               Three Months Ended          Six Months Ended
($ millions,             Jun 30     Mar 31      Jun 30    Jun 30     Jun 30
 except as noted)          2010     2010(1)     2009(1)     2010     2009(1)
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Net earnings            $   667    $   866     $   162  $  1,533    $   467
 Per common share,
  basic and diluted     $  0.61    $  0.80     $  0.15  $   1.41    $  0.43
Adjusted net earnings
 from operations (2)    $   688    $   658     $   637  $  1,346    $ 1,364
 Per common share,
  basic and diluted     $  0.63    $  0.61     $  0.59  $   1.24    $  1.26
Cash flow from
 operations (3)         $ 1,630    $ 1,505     $ 1,365  $  3,135    $ 2,881
 Per common share,
  basic and diluted     $  1.49    $  1.39     $  1.26  $   2.88    $  2.66
Capital expenditures,
 net of dispositions    $ 1,573    $ 1,072     $   473  $  2,645    $ 1,729

Daily production,
 before royalties
 Natural gas (mmcf/d)     1,237      1,226       1,352     1,231      1,360
 Crude oil and NGLs
  (bbl/d)               443,045    406,266     365,672   424,757    347,943
 Equivalent production
  (boe/d)               649,195    610,556     590,984   629,982    574,654
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(1) Per share amounts have been restated to reflect a two-for-one common
    share split in May 2010.
(2) Adjusted net earnings from operations is a non-GAAP measure that the
    Company utilizes to evaluate its performance. The derivation of this
    measure is discussed in Management's Discussion and Analysis ("MD&A").
(3) Cash flow from operations is a non-GAAP measure that the Company
    considers key as it demonstrates the Company's ability to fund capital
    reinvestment and debt repayment. The derivation of this measure is
    discussed in the MD&A.

HIGHLIGHTS

- Strong overall performance in the quarter is reflected by increased overall Company production, lower per unit operating costs, lower development capital costs, and significant free cash flow.

- Record overall Company production for Q2/10 of 649,195 boe/d, an increase of 10% from Q2/09 and 6% from Q1/10.

- Total crude oil and NGLs production for Q2/10 was 443,045 bbl/d, an increase of 21% and 9% from Q2/09 and Q1/10 respectively. Volumes in Q2/10 exceeded the Company's guidance of 394,000 bbl/d to 426,000 bbl/d due to excellent results at the Company's crude oil properties, and reflect increased volumes due to the cyclic nature of Primrose production, increased production from mining at Horizon Oil Sands ("Horizon"), and a strong primary heavy crude oil drilling program.

- Total natural gas production for Q2/10 averaged 1,237 mmcf/d, slightly above the Company's guidance of 1,207 mmcf/d to 1,232 mmcf/d due to continued operational optimization and good drilling results. Q2/10 natural gas production decreased 9% from Q2/09 and increased 1% from the previous quarter. The increase from Q1/10 was primarily due to the inclusion of acquisition volumes as previously announced in the Company's corporate guidance.

- Quarterly operating expenses on a per unit basis across all major product lines improved reflecting a concentration on operating efficiencies, optimized production volumes and a lower cost of natural gas used for fuel in North America. As a result, annual midpoint operating cost guidance was reduced for North America natural gas, and crude oil and NGLs in North America, North Sea and Offshore West Africa while Oil Sands Mining has remained unchanged.

- Quarterly cash flow from operations for Q2/10 exceeded $1.6 billion, an increase of 19% and 8% from Q2/09 and Q1/10 respectively. The increase from Q1/10 reflects the impact of higher crude oil and NGL sales volumes, lower royalty and production expense and higher realized risk management gains partially offset by the impact of lower realized crude oil and natural gas pricing.

- Quarterly net earnings for Q2/10 of $667 million, an increase of 312% from Q2/09 and a decrease of 23% from Q1/10, included the effects of unrealized risk management activities, fluctuations in foreign exchange rates and stock-based compensation. Excluding these items, quarterly adjusted net earnings from operations for Q2/10 were $688 million.

- Record thermal heavy crude oil production of approximately 96,000 bbl/d was achieved in Q2/10. Thermal production levels increased 53% from Q2/09 and 27% from Q1/10.

- In May 2010 planned plant maintenance at Horizon was successfully completed. As a result, Horizon had exceptional reliability and production volumes in June 2010 and Q2/10 production of 99,950 bbl/d. On July 30, 2010, while carrying out previously announced maintenance to repair unexpected localized pipe wall thinning in the amine unit, the Company determined that the pipe wall thinning was more extensive than originally estimated. Although this issue is limited to the amine unit only, and is not technically difficult or a major expenditure to repair, it has necessitated a plant wide shutdown that is targeted to be complete by mid August. The Company's annual production guidance for 2010 has been revised to 90,000 to 100,000 barrels per day of SCO.

- In the second quarter, Canadian Natural drilled 38 primary heavy crude oil wells as part of the planned record heavy crude oil drilling program for 2010.

- At Platform B of the Olowi Project 3.7 net wells are on production, and performance is in line with the Company's expectations. The Company is targeting to commission and have onstream a further 1.9 net wells in the third quarter and begin drilling operations on Platform A.

- During Q2/10, the Espoir facilities upgrade on the Floating Production, Storage and Offtake vessel ("FPSO") was completed.

- Canadian Natural is continuing its proposed third phase of the thermal growth plan with a development plan for the Kirby In Situ Oil Sands Project. The Company anticipates regulatory approval in Q3/10. Final project scope and corporate sanction is targeted for late 2010.

- Closed previously announced purchases of crude oil and natural gas properties in its core regions in Western Canada. The Company's previously issued guidance reflected production volumes associated with the acquisitions.

- The Company's shareholders passed a Special Resolution subdividing the common shares of the Company on a two-for-one basis at the Company's Annual and Special Meeting held on May 6, 2010 with such subdivision taking effect on May 21, 2010. All common share, per common share, and stock option amounts have been restated to reflect the share split.

- Declared a quarterly cash dividend on common shares of $0.075 per common share payable October 1, 2010.


OPERATIONS REVIEW

Activity by core region

                                    Net undeveloped land  Drilling activity
                                                   as at   six months ended
                                            Jun 30, 2010       Jun 30, 2010
                                 (thousands of net acres)     (net wells)(1)
----------------------------------------------------------------------------
North America
 Northeast British Columbia                        2,093               23.0
 Northwest Alberta                                 1,518               27.0
 Northern Plains                                   5,776              339.1
 Southern Plains                                     798                8.6
 Southeast Saskatchewan                              144               11.5
 Thermal In Situ Oil Sands                           486              179.0
----------------------------------------------------------------------------
                                                  10,815              588.2

Oil Sands Mining and Upgrading                       115              119.0
North Sea                                            150                  -
Offshore West Africa                               4,193                4.7
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                                                  15,273              711.9
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----------------------------------------------------------------------------
(1) Drilling activity includes stratigraphic test and service wells.



Drilling activity (number of wells)

                                                 Six Months Ended Jun 30
                                                  2010             2009
                                            Gross     Net     Gross     Net
----------------------------------------------------------------------------
Crude oil                                     356     335       192     187
Natural gas                                    63      55        87      64
Dry                                            17      16        20      19
----------------------------------------------------------------------------
Subtotal                                      436     406       299     270
Stratigraphic test / service wells            307     306       243     243
----------------------------------------------------------------------------
Total                                         743     712       542     513
----------------------------------------------------------------------------
Success rate (excluding stratigraphic
 test / service wells)                                 96%               93%
----------------------------------------------------------------------------
----------------------------------------------------------------------------


North America

North America natural gas

                                     Three Months Ended    Six Months Ended
                                 Jun 30   Mar 31   Jun 30   Jun 30   Jun 30
                                   2010     2010     2009     2010     2009
----------------------------------------------------------------------------
Natural gas production (mmcf/d)   1,219    1,193    1,322    1,206    1,334
----------------------------------------------------------------------------

Net wells targeting natural gas      11       49        -       60       72
Net successful wells drilled         10       45        -       55       64
----------------------------------------------------------------------------
 Success rate                        91%      92%       -       92%      89%
----------------------------------------------------------------------------
----------------------------------------------------------------------------

- Production volumes were higher than anticipated despite the Company's strategic decision to proactively limit the North America natural gas drilling program for 2010. Excellent production volumes reflect the Company's continued focus on optimizing performance. Volumes decreased 8% from Q2/09. Production increased 2% from Q1/10 primarily due to inclusion of acquisition volumes as previously announced.

- Operating costs for natural gas, compared to Q2/09, were $0.01 per mcf lower despite a production volume decrease of 8% from Q2/09. This demonstrates the Company's focus on operating efficiencies. Annual midpoint operating cost guidance has been lowered accordingly.

- During Q2/10, the Company closed $949 million of property acquisitions weighted approximately 75% to natural gas. These acquisitions complement existing Canadian Natural operations in core areas and have significant operated infrastructure that create operational synergies benefiting both existing Canadian Natural assets and the acquired assets. The assets have approximately 773,000 net acres of undeveloped land providing significant future development opportunities.

- Canadian Natural targeted 11 net natural gas wells in Q2/10 with a prudent program across the Company's core regions. In Northeast British Columbia, 7 net natural gas wells were drilled, while in Northwest Alberta, 3 net natural gas wells were drilled. In the Southern Plains, 1 net natural gas well was drilled.

- Planned drilling activity for Q3/10 includes 25 net natural gas wells.


North America crude oil and NGLs

                                     Three Months Ended    Six Months Ended
                                 Jun 30   Mar 31   Jun 30   Jun 30   Jun 30
                                   2010     2010     2009     2010     2009
----------------------------------------------------------------------------
Crude oil and NGLs production
 (bbl/d)                        275,584  252,450  232,139  264,081  242,926
----------------------------------------------------------------------------

Net wells targeting crude oil        91      250       97      341      194
Net successful wells drilled         90      240       93      330      183
----------------------------------------------------------------------------
 Success rate                        99%      96%      96%      97%      94%
----------------------------------------------------------------------------
----------------------------------------------------------------------------

- Q2/10 North America crude oil and NGLs production increased 19% from Q2/09 and increased 9% from Q1/10 levels. The increase in production volume from Q1/10 was due to cyclic thermal crude oil at Primrose and a strong primary heavy crude oil drilling program.

- Operating costs for crude oil and NGLs were 23% lower compared to Q2/09 reflecting operating efficiencies, lower natural gas costs and higher production volumes. Annual midpoint operating cost guidance has been lowered accordingly.

- Surveillance steaming activities continue at Primrose East. Performance has been better than expected and the Company now targets average production to exceed 20,000 bbl/d in 2010. Canadian Natural plans to return to normal steaming activities by late 2010 or early 2011.

- Canadian Natural is continuing its proposed third phase of the thermal growth plan with the Kirby In Situ Oil Sands Project. The Company anticipates regulatory approval in Q3/10. Final project scope and corporate sanction is targeted for late 2010.

- Enhanced crude oil production continues with conversion to polymer flooding at Pelican Lake. Production in this area averaged approximately 37,000 bbl/d for Q2/10. Enhanced oil recovery ("EOR") is targeted to accelerate production levels during the second half of 2010.

- Primary heavy crude oil production volumes increased 10% in Q2/10 compared to Q2/09 and increased 3% from Q1/10, reflecting the Company's record drilling program planned for 2010.

- During Q2/10, drilling activity targeted 91 net wells including 38 wells targeting heavy crude oil, 44 wells targeting Pelican Lake crude oil, 6 wells targeting thermal crude oil, and 3 wells targeting light crude oil.

- Excluding stratigraphic test and service wells, planned drilling activity for Q3/10 includes 330 net crude oil wells, compared to drilling activity for Q3/09 of 270 net crude oil wells.


International

                                     Three Months Ended    Six Months Ended
                                 Jun 30   Mar 31   Jun 30   Jun 30   Jun 30
                                   2010     2010     2009     2010     2009
----------------------------------------------------------------------------
Crude oil production (bbl/d)
 North Sea                       37,669   36,879   40,362   37,276   41,360
 Offshore West Africa            29,842   29,942   33,572   29,892   32,010
----------------------------------------------------------------------------
Natural gas production (mmcf/d)
 North Sea                            9       15       10       12       10
 Offshore West Africa                 9       18       20       13       16
----------------------------------------------------------------------------
Net wells targeting crude oil       1.9      2.8      1.0      4.7      4.2
Net successful wells drilled        1.9      2.8      1.0      4.7      4.2
----------------------------------------------------------------------------
 Success rate                       100%     100%     100%     100%     100%
----------------------------------------------------------------------------
----------------------------------------------------------------------------

North Sea

- Production exceeded guidance and reflected strong well performance and uptimes in the Ninian Field during the quarter. North Sea crude oil production for Q2/10 was down 7% from Q2/09 and up 2% compared to Q1/10. Third quarter production guidance reflects proactive planned maintenance.

- The Company's annual guidance for operating costs has been lowered to reflect operational efficiencies, proactive maintenance and certain one time items recorded in the second quarter.

- The Company recommenced platform drilling operations at the beginning of the second quarter and continues to focus on maturing and high grading its inventory of future drilling locations. The Company maintains focus on maximizing efficiencies and operational performance.

Offshore West Africa

- Offshore West Africa's crude oil production decreased 11% from Q2/09 and was comparable to Q1/10. Production, which was impacted by a planned shutdown at Espoir for the installation of facilities upgrades, was at the high end of the Company's previously issued guidance.

- Crude oil production expense increased from Q1/10 due to increased liftings from the higher cost Olowi Field and the plant shutdown at Espoir for facilities upgrades. Annual midpoint operating cost guidance has been lowered to $14.00 to $16.00 per barrel.

- At Platform B of the Olowi Project 3.7 net wells are on production, and performance is in line with the Company's expectations. The Company is targeting to commission and have onstream a further 1.9 net wells in the third quarter and begin drilling operations on Platform A.


Oil Sands Mining and Upgrading

                                     Three Months Ended    Six Months Ended
                                 Jun 30   Mar 31   Jun 30   Jun 30   Jun 30
                                   2010     2010     2009     2010     2009
----------------------------------------------------------------------------
Synthetic crude oil production
 (bbl/d)                         99,950   86,995   59,599   93,508   31,647
----------------------------------------------------------------------------
----------------------------------------------------------------------------

- Horizon SCO production was 99,950 bbl/d in Q2/10, an increase of 68% from Q2/09 and an increase of 15% from Q1/10. The planned maintenance outage in May 2010 proved successful as June 2010 volumes increased to approximately 117,600 bbl/d. The Company will continue strategic maintenance as required to target stable production levels with annual production guidance for 2010 targeted for 90,000 to 100,000 barrels per day of SCO at Horizon. Monthly average production for Horizon is provided on the Company's website.

- Operational costs in Q2/10 averaged $32.27 per barrel of SCO (including approximately $3.18 per barrel of natural gas input costs), primarily due to stabilized production volumes at levels approaching plant capacity, and a focus on proactive maintenance and operational optimization. The Company continues to target operating costs between $31.00 to $37.00 per barrel of SCO for 2010.

- As provided in the Company's issued guidance, 2010 capital expenditures at Horizon were decreased by $152 million due to limited Phase 2/3 spending which remains focused on the construction of the third Ore Preparation Plant, completion of the Mine Maintenance Shop and additional product tankage.

- On July 30, 2010, while carrying out previously announced maintenance to repair unexpected localized pipe wall thinning in the amine unit, the Company determined that the pipe wall thinning was more extensive than originally estimated. Although this issue is limited to the amine unit only, and is not technically difficult or a major expenditure to repair, it has necessitated a plant wide shutdown that is targeted to be complete by mid August. As a result planned maintenance originally targeted for late August and September has been moved forward including furnace pigging cycles and screen changes in the Ore Preparation Plant.

- Engineering and procurement for Tranche 2 of the Phase 2/3 expansion is progressing with a focus on increasing reliability and uptime. Tranches 3 and 4 of Phase 2/3 continue to be re-profiled. The Company continues to work on completing its lessons learned from the construction of Phase 1 and implementing these into the development of future expansions.


MARKETING

                                     Three Months Ended    Six Months Ended
                                 Jun 30   Mar 31   Jun 30   Jun 30   Jun 30
                                   2010     2010     2009     2010     2009
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Crude oil and NGLs pricing
 WTI(1) benchmark price
  (US$/bbl)                    $  77.99 $  78.79 $  59.61 $  78.39 $  51.46
 Western Canadian Select blend
  differential from WTI (%)          18%      12%      13%      15%      16%
 SCO price (US$/bbl)           $  76.44 $  79.37 $  58.42 $  77.90 $  51.74
 Average realized pricing
  before risk management(2)
  (C$/bbl)                     $  63.62 $  68.76 $  59.56 $  66.10 $  50.12
Natural gas pricing
 AECO benchmark price (C$/GJ)  $   3.66 $   5.07 $   3.46 $   4.36 $   4.40
 Average realized pricing
  before risk management
  (C$/mcf)                     $   3.86 $   5.19 $   4.11 $   4.52 $   4.78
----------------------------------------------------------------------------
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(1) Refers to West Texas Intermediate (WTI) crude oil barrel priced at
    Cushing, Oklahoma.
(2) Excludes SCO.

- In Q2/10, the Western Canadian Select ("WCS") heavy crude oil differential as a percent of WTI averaged 18%, compared to 12% in Q1/10. Heavy crude oil differentials widened in Q2/10 reflecting widening crude oil crack spreads.

- During Q2/10, the Company contributed approximately 165,000 bbl/d of its heavy crude oil streams to the WCS blend as market conditions resulted in optimal pricing for heavy crude oil.

- In Q1/10, the Company announced, together with North West Upgrading Inc., the submission of a joint proposal to the Alberta Government to construct and operate a bitumen refinery near Redwater, Alberta under the Alberta Royalty Framework's Bitumen Royalty In Kind ("BRIK") program. In Q2/10, the Government of Alberta announced that the proposal had been selected for exclusive negotiations following a comprehensive review. Further project development is dependent upon successful completion of these negotiations on commercially acceptable terms and final project sanction by the respective parties.

FINANCIAL REVIEW

- The financial position of the Company remains robust and the Company continually examines its liquidity position and targets a low risk approach to finance. The commodity hedging program, its existing credit facilities and capital expenditure programs all support a flexible financial position:

-- A large and diverse asset base spread over various commodity types - produced in excess of 649,000 boe/d in Q2/10, with 95% of production located in G8 countries.

-- Financial stability and liquidity - cash flow from operations of $1.6 billion with available unused bank lines of $2.5 billion at June 30, 2010.

-- Flexibility in asset base and positive free cash flow produced from North America, Horizon, the North Sea and Offshore West Africa allows for a disciplined capital allocation program.

- A strong balance sheet with debt to book capitalization of 31% and debt to EBITDA of 1.3 times.

- Declared a quarterly cash dividend on common shares of C$0.075 per common share, payable October 1, 2010.

OUTLOOK

The Company forecasts 2010 production levels before royalties to average between 1,229 and 1,256 mmcf/d of natural gas and between 421,000 and 449,000 bbl/d of crude oil and NGLs. Q3/10 production guidance before royalties is forecast to average between 1,247 and 1,271 mmcf/d of natural gas and between 414,000 and 445,000 bbl/d of crude oil and NGLs. Detailed guidance on production levels, capital allocation and operating costs can be found on the Company's website at www.cnrl.com.

MANAGEMENT'S DISCUSSION AND ANALYSIS

Forward-Looking Statements

Certain statements relating to Canadian Natural Resources Limited (the "Company") in this document or documents incorporated herein by reference constitute forward-looking statements or information (collectively referred to herein as "forward-looking statements") within the meaning of applicable securities legislation. Forward-looking statements can be identified by the words "believe", "anticipate", "expect", "plan", "estimate", "target", "continue", "could", "intend", "may", "potential", "predict", "should", "will", "objective", "project", "forecast", "goal", "guidance", "outlook", "effort", "seeks", "schedule" or expressions of a similar nature suggesting future outcome or statements regarding an outlook. Disclosure related to expected future commodity pricing, production volumes, royalties, operating costs, capital expenditures and other guidance provided throughout this Management's Discussion and Analysis ("MD&A"), constitute forward-looking statements. Disclosure of plans relating to and expected results of existing and future developments, including but not limited to Horizon Oil Sands, Primrose East, Pelican Lake, Olowi Field (Offshore Gabon), and the Kirby Thermal Oil Sands Project also constitute forward-looking statements. This forward-looking information is based on annual budgets and multi-year forecasts, and is reviewed and revised throughout the year if necessary in the context of targeted financial ratios, project returns, product pricing expectations and balance in project risk and time horizons. These statements are not guarantees of future performance and are subject to certain risks. The reader should not place undue reliance on these forward-looking statements as there can be no assurances that the plans, initiatives or expectations upon which they are based will occur.

In addition, statements relating to "reserves" are deemed to be forward-looking statements as they involve the implied assessment based on certain estimates and assumptions that the reserves described can be profitably produced in the future. There are numerous uncertainties inherent in estimating quantities of proved crude oil and natural gas reserves and in projecting future rates of production and the timing of development expenditures. The total amount or timing of actual future production may vary significantly from reserve and production estimates.

The forward-looking statements are based on current expectations, estimates and projections about the Company and the industry in which the Company operates, which speak only as of the date such statements were made or as of the date of the report or document in which they are contained, and are subject to known and unknown risks and uncertainties that could cause the actual results, performance or achievements of the Company to be materially different from any future results, performance or achievements expressed or implied by such forward-looking statements. Such risks and uncertainties include, among others: general economic and business conditions which will, among other things, impact demand for and market prices of the Company's products; volatility of and assumptions regarding crude oil and natural gas prices; fluctuations in currency and interest rates; assumptions on which the Company's current guidance is based; economic conditions in the countries and regions in which the Company conducts business; political uncertainty, including actions of or against terrorists, insurgent groups or other conflict including conflict between states; industry capacity; ability of the Company to implement its business strategy, including exploration and development activities; impact of competition; the Company's defense of lawsuits; availability and cost of seismic, drilling and other equipment; ability of the Company and its subsidiaries to complete capital programs; the Company's and its subsidiaries' ability to secure adequate transportation for its products; unexpected difficulties in mining, extracting or upgrading the Company's bitumen products; potential delays or changes in plans with respect to exploration or development projects or capital expenditures; ability of the Company to attract the necessary labour required to build its thermal and oil sands mining projects; operating hazards and other difficulties inherent in the exploration for and production and sale of crude oil and natural gas; availability and cost of financing; the Company's and its subsidiaries' success of exploration and development activities and their ability to replace and expand crude oil and natural gas reserves; timing and success of integrating the business and operations of acquired companies; production levels; imprecision of reserve estimates and estimates of recoverable quantities of crude oil, bitumen, natural gas and natural gas liquids ("NGLs") not currently classified as proved; actions by governmental authorities; government regulations and the expenditures required to comply with them (especially safety and environmental laws and regulations and the impact of climate change initiatives on capital and operating costs); asset retirement obligations; the adequacy of the Company's provision for taxes; and other circumstances affecting revenues and expenses.

The Company's operations have been, and in the future may be, affected by political developments and by federal, provincial and local laws and regulations such as restrictions on production, changes in taxes, royalties and other amounts payable to governments or governmental agencies, price or gathering rate controls and environmental protection regulations. Should one or more of these risks or uncertainties materialize, or should any of the Company's assumptions prove incorrect, actual results may vary in material respects from those projected in the forward-looking statements. The impact of any one factor on a particular forward-looking statement is not determinable with certainty as such factors are dependent upon other factors, and the Company's course of action would depend upon its assessment of the future considering all information then available.

Readers are cautioned that the foregoing list of factors is not exhaustive. Unpredictable or unknown factors not discussed in this report could also have material adverse effects on forward-looking statements. Although the Company believes that the expectations conveyed by the forward-looking statements are reasonable based on information available to it on the date such forward-looking statements are made, no assurances can be given as to future results, levels of activity and achievements. All subsequent forward-looking statements, whether written or oral, attributable to the Company or persons acting on its behalf are expressly qualified in their entirety by these cautionary statements. Except as required by law, the Company assumes no obligation to update forward-looking statements should circumstances or Management's estimates or opinions change.

Management's Discussion and Analysis

Management's Discussion and Analysis of the financial condition and results of operations of the Company should be read in conjunction with the unaudited interim consolidated financial statements for the six months ended June 30, 2010 and the MD&A and the audited consolidated financial statements for the year ended December 31, 2009.

All dollar amounts are referenced in millions of Canadian dollars, except where noted otherwise. The financial statements have been prepared in accordance with generally accepted accounting principles in Canada ("GAAP"). This MD&A includes references to financial measures commonly used in the crude oil and natural gas industry, such as adjusted net earnings from operations, cash flow from operations, and cash production costs. These financial measures are not defined by GAAP and therefore are referred to as non-GAAP measures. The non-GAAP measures used by the Company may not be comparable to similar measures presented by other companies. The Company uses these non-GAAP measures to evaluate its performance. The non-GAAP measures should not be considered an alternative to or more meaningful than net earnings, as determined in accordance with GAAP, as an indication of the Company's performance. The non-GAAP measures adjusted net earnings from operations and cash flow from operations are reconciled to net earnings, as determined in accordance with GAAP, in the "Financial Highlights" section of this MD&A. The derivation of cash production costs is included in the "Operating Highlights - Oil Sands Mining and Upgrading" section of this MD&A. The Company also presents certain non-GAAP financial ratios and their derivation in the "Liquidity and Capital Resources" section of this MD&A.

The calculation of barrels of oil equivalent ("boe") is based on a conversion ratio of six thousand cubic feet ("mcf") of natural gas to one barrel ("bbl") of crude oil to estimate relative energy content. This conversion may be misleading, particularly when used in isolation, since the 6 mcf:1 bbl ratio is based on an energy equivalency at the burner tip and does not represent the value equivalency at the wellhead.

Production volumes and per barrel statistics are presented throughout this MD&A on a "before royalty" or "gross" basis, and realized prices are net of transportation and blending costs and exclude the effect of risk management activities. Production on an "after royalty" or "net" basis is also presented for information purposes only.

The following discussion refers primarily to the Company's financial results for the six and three months ended June 30, 2010 in relation to the comparable periods in 2009 and the first quarter of 2010. The accompanying tables form an integral part of this MD&A. This MD&A is dated August 4, 2010. Additional information relating to the Company, including its amended Annual Information Form for the year ended December 31, 2009, is available on SEDAR at www.sedar.com, and on EDGAR at www.sec.gov.


FINANCIAL HIGHLIGHTS
($ millions, except per common share amounts)

                                     Three Months Ended    Six Months Ended
                                 Jun 30   Mar 31   Jun 30   Jun 30   Jun 30
                                   2010   2010(1)  2009(1)    2010   2009(1)
----------------------------------------------------------------------------
Revenue, before royalties      $ 3,614   $ 3,580  $ 2,750  $ 7,194  $ 4,936
Net earnings                   $   667   $   866  $   162  $ 1,533  $   467
 Per common share - basic
  and diluted                  $  0.61   $  0.80  $  0.15  $  1.41  $  0.43
Adjusted net earnings from
 operations (2)                $   688   $   658  $   637  $ 1,346  $ 1,364
 Per common share - basic
  and diluted                  $  0.63   $  0.61  $  0.59  $  1.24  $  1.26
Cash flow from operations (3)  $ 1,630   $ 1,505  $ 1,365  $ 3,135  $ 2,881
 Per common share - basic
  and diluted                  $  1.49   $  1.39  $  1.26  $  2.88  $  2.66
Capital expenditures, net of
 dispositions                  $ 1,573   $ 1,072  $   473  $ 2,645  $ 1,729
----------------------------------------------------------------------------
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(1) Per share amounts have been restated to reflect a two-for-one common
    share split in May 2010.
(2) Adjusted net earnings from operations is a non-GAAP measure that
    represents net earnings adjusted for certain items of a non-operational
    nature. The Company evaluates its performance based on adjusted net
    earnings from operations. The reconciliation "Adjusted Net Earnings
    from Operations" presented below lists the after-tax effects of
    certain items of a non-operational nature that are included in the
    Company's financial results. Adjusted net earnings from operations may
    not be comparable to similar measures presented by other companies.
(3) Cash flow from operations is a non-GAAP measure that represents net
    earnings adjusted for non-cash items before working capital
    adjustments. The Company evaluates its performance based on cash flow
    from operations. The Company considers cash flow from operations a key
    measure as it demonstrates the Company's ability to generate the cash
    flow necessary to fund future growth through capital investment and to
    repay debt. The reconciliation "Cash Flow from Operations" presented
    below lists certain non-cash items that are included in the Company's
    financial results. Cash flow from operations may not be comparable to
    similar measures presented by other companies.


Adjusted Net Earnings from Operations

                                     Three Months Ended    Six Months Ended
                                 Jun 30   Mar 31   Jun 30   Jun 30   Jun 30
($ millions)                       2010     2010     2009     2010     2009
----------------------------------------------------------------------------
Net earnings as reported        $   667  $   866  $   162  $ 1,533  $   467
Stock-based compensation
 (recovery) expense, net of
 tax (a) (d)                        (58)      (2)      67      (60)      70
Unrealized risk management
 (gain) loss, net of tax (b)        (64)    (154)     676     (218)     996
Unrealized foreign exchange
 loss (gain), net of tax (c)        143     (135)    (268)       8     (150)
Effect of statutory tax rate and
 other legislative changes on
 future income tax
 liabilities (d)                      -       83        -       83      (19)
----------------------------------------------------------------------------
Adjusted net earnings from
 operations                     $   688  $   658  $   637  $ 1,346  $ 1,364
----------------------------------------------------------------------------
----------------------------------------------------------------------------
(a) The Company's employee stock option plan provides for a cash payment
    option. Accordingly, the intrinsic value of the outstanding vested
    options is recorded as a liability on the Company's balance sheet and
    periodic changes in the intrinsic value are recognized in net earnings
    or are capitalized to Oil Sands Mining and Upgrading construction costs.
(b) Derivative financial instruments are recorded at fair value on the
    balance sheet, with changes in fair value of non-designated hedges
    recognized in net earnings. The amounts ultimately realized may be
    materially different than reflected in the financial statements due to
    changes in prices of the underlying items hedged, primarily crude oil
    and natural gas.
(c) Unrealized foreign exchange gains and losses result primarily from the
    translation of US dollar denominated long-term debt to period-end
    exchange rates, offset by the impact of cross currency swaps, and are
    recognized in net earnings.
(d) All substantively enacted or enacted adjustments in applicable income
    tax rates and other legislative changes are applied to underlying
    assets and liabilities on the Company's consolidated balance sheet in
    determining future income tax assets and liabilities. The impact of
    these tax rate and other legislative changes is recorded in net
    earnings during the period the legislation is substantively enacted or
    enacted. During the first quarter of 2010, the Canadian Federal budget
    proposed changes to the taxation of stock options surrendered by
    employees for cash payments. As a result of the proposed changes,
    the Company anticipates that Canadian based employees will no longer
    surrender their options for cash payments, resulting in a loss of
    future income tax deductions for the Company. The impact of this change
    was an $83 million charge to future income tax expense during the first
    quarter. Income tax rate changes in the first quarter of 2009 resulted
    in a reduction of future income tax liabilities of approximately $19
    million in North America.


Cash Flow from Operations

                                     Three Months Ended    Six Months Ended
                                 Jun 30   Mar 31   Jun 30   Jun 30   Jun 30
($ millions)                       2010     2010     2009     2010     2009
----------------------------------------------------------------------------
Net earnings                    $   667  $   866  $   162  $ 1,533  $   467
Non-cash items:
 Depletion, depreciation and
  amortization                      836      771      664    1,607    1,310
 Asset retirement obligation
  accretion                          26       26       24       52       43
 Stock-based compensation
  (recovery) expense                (58)      (2)      92      (60)      96
 Unrealized risk management
  (gain) loss                       (82)    (208)     946     (290)   1,409
 Unrealized foreign exchange
  loss (gain)                       165     (150)    (320)      15     (182)
 Deferred petroleum revenue
  tax expense (recovery)              5        7       (2)      12       (5)
 Future income tax expense
  (recovery)                         71      195     (201)     266     (257)
----------------------------------------------------------------------------
Cash flow from operations       $ 1,630  $ 1,505  $ 1,365  $ 3,135  $ 2,881
----------------------------------------------------------------------------
----------------------------------------------------------------------------

SUMMARY OF CONSOLIDATED NET EARNINGS AND CASH FLOW FROM OPERATIONS

Net earnings for the six months ended June 30, 2010 were $1,533 million compared to $467 million for the six months ended June 30, 2009. Net earnings for the six months ended June 30, 2010 included net unrealized after-tax income of $187 million related to the effects of risk management activities, fluctuations in foreign exchange rates, fluctuations in stock-based compensation, and the impact of statutory tax rate changes on future income tax liabilities, compared to net unrealized after-tax expenses of $897 million for the six months ended June 30, 2009. Excluding these items, adjusted net earnings from operations for the six months ended June 30, 2010 were $1,346 million compared to $1,364 million for the six months ended June 30, 2009.

Net earnings for the second quarter of 2010 were $667 million compared to $162 million for the second quarter of 2009 and $866 million for the prior quarter. Net earnings for the second quarter of 2010 included net unrealized after-tax expenses of $21 million related to the effects of risk management activities, fluctuations in foreign exchange rates and stock-based compensation, compared to net unrealized after-tax expenses of $475 million for the second quarter of 2009 and net unrealized after-tax income of $208 million for the prior quarter. Excluding these items, adjusted net earnings from operations for the second quarter of 2010 were $688 million compared to $637 million for the second quarter of 2009 and $658 million for the prior quarter. The increase in adjusted net earnings from the comparable periods in 2009 was primarily due to the impact of higher realized crude oil pricing, higher crude oil and NGL sales volumes including crude oil volumes associated with Horizon, and realized foreign exchange gains, partially offset by higher production expense, higher royalty expense, lower realized risk management gains, higher depletion, depreciation and amortization expense, and the impact of the stronger Canadian dollar. The increase in adjusted net earnings from the prior quarter was primarily due to the impact of higher crude oil and NGL sales volumes including Horizon, lower production expense, lower royalty expense, and realized risk management gains, partially offset by the impact of lower realized crude oil and natural gas pricing and higher depletion, depreciation and amortization expense.

The impacts of unrealized risk management activities, stock-based compensation, and changes in foreign exchange rates are expected to continue to contribute to significant quarterly volatility in consolidated net earnings and are discussed in detail in the relevant sections of this MD&A.

Cash flow from operations for the six months ended June 30, 2010 was $3,135 million compared to $2,881 million for the six months ended June 30, 2009. Cash flow from operations for the second quarter of 2010 was $1,630 million compared to $1,365 million for the second quarter of 2009 and $1,505 million for the prior quarter. The increase in cash flow from operations from the comparable periods in 2009 was primarily due to the impact of higher realized crude oil pricing, higher crude oil and NGL sales volumes including crude oil volumes associated with Horizon, and realized foreign exchange gains, partially offset by higher production expense, higher royalty expense, lower realized risk management gains, higher cash taxes and the impact of the stronger Canadian dollar. The increase in cash flow from operations from the prior quarter was primarily due to the impact of higher crude oil and NGL sales volumes including Horizon, lower production expense, lower royalty expense, and realized risk management gains partially offset by the impact of lower realized crude oil and natural gas pricing.

Total production before royalties for the six months ended June 30, 2010 increased 10% to 629,982 boe/d from 574,654 boe/d for the six months ended June 30, 2009. Total production before royalties for the second quarter of 2010 increased 10% to 649,195 boe/d from 590,984 boe/d for the second quarter of 2009 and 6% from 610,556 boe/d for the prior quarter. Production for the second quarter of 2010 exceeded the Company's previously issued guidance.

SUMMARY OF QUARTERLY RESULTS

The following is a summary of the Company's quarterly results for the eight most recently completed quarters:


($ millions, except per           Jun 30     Mar 31      Dec 31      Sep 30
 common share amounts)              2010     2010(1)     2009(1)     2009(1)
----------------------------------------------------------------------------
Revenue, before royalties       $  3,614  $   3,580  $    3,319  $    2,823
Net earnings                    $    667  $     866  $      455  $      658
Net earnings per common share
 - Basic and diluted            $   0.61  $    0.80  $     0.42  $     0.61
----------------------------------------------------------------------------
----------------------------------------------------------------------------


($ millions, except per           Jun 30     Mar 31      Dec 31      Sep 30
 common share amounts)            2009(1)    2009(1)     2008(1)     2008(1)
----------------------------------------------------------------------------
Revenue, before royalties       $  2,750  $   2,186  $    2,511  $    4,583
Net earnings                    $    162  $     305  $    1,770  $    2,835
Net earnings per common share
 - Basic and diluted            $   0.15  $    0.28  $     1.64  $     2.62
----------------------------------------------------------------------------
----------------------------------------------------------------------------
(1) Per share amounts have been restated to reflect a two-for-one common
    share split in May 2010.

Volatility in quarterly net earnings over the eight most recently completed quarters was primarily due to:

- Crude oil pricing - The impact of fluctuating demand, inventory storage levels and geopolitical uncertainties on worldwide benchmark pricing, and the fluctuations in the Heavy Crude Oil Differential from WTI ("Heavy Differential") in North America.

- Natural gas pricing - The impact of seasonal fluctuations in both the demand for natural gas and inventory storage levels, and the impact of increased shale gas production in the US, as well as fluctuations in imports of liquefied natural gas into the US.

- Crude oil and NGLs sales volumes - Fluctuations in production due to the cyclic nature of the Company's Primrose thermal projects, the results from the Pelican Lake water and polymer flood projects, and the commencement and ramp up of operations at Horizon. Sales volumes also reflected fluctuations due to timing of liftings and maintenance activities in the North Sea and Offshore West Africa.

- Natural gas sales volumes - Fluctuations in production due to the Company's strategic decision to reduce natural gas drilling activity in North America and the allocation of capital to higher return crude oil projects, as well as natural decline rates and the impact of acquisitions.

- Production expense - Fluctuations primarily due to the impact of the demand for services, industry-wide inflationary cost pressures experienced in prior quarters, fluctuations in product mix, the impact of seasonal costs that are dependent on weather, production and cost optimizations in North America and the commencement of operations at Horizon and the Olowi Field in Offshore Gabon.

- Depletion, depreciation and amortization - Fluctuations due to changes in sales volumes, proved reserves, finding and development costs associated with crude oil and natural gas exploration, estimated future costs to develop the Company's proved undeveloped reserves, the commencement of operations at Horizon and the Olowi Field in Offshore Gabon, and the impact of an impairment at the Olowi Field at December 31, 2009.

- Stock-based compensation - Fluctuations due to the mark-to-market movements of the Company's stock-based compensation liability. Stock-based compensation expense (recovery) reflected fluctuations in the Company's share price.

- Risk management - Fluctuations due to the recognition of gains and losses from the mark-to-market and subsequent settlement of the Company's risk management activities.

- Foreign exchange rates - Changes in the Canadian dollar relative to the US dollar impacted the realized price the Company received for its crude oil and natural gas sales, as sales prices are based predominately on US dollar denominated benchmarks. Fluctuations in unrealized foreign exchange gains and losses are recorded with respect to US dollar denominated debt and the re-measurement of North Sea future income tax liabilities denominated in UK pounds sterling to US dollars, partially offset by the impact of cross currency swap hedges.

- Income tax expense (recovery) - Fluctuations in income tax expense (recovery) include statutory tax rate and other legislative changes substantively enacted or enacted in the various periods.


BUSINESS ENVIRONMENT

                                     Three Months Ended    Six Months Ended
                                 Jun 30   Mar 31   Jun 30   Jun 30   Jun 30
                                   2010     2010     2009     2010     2009
----------------------------------------------------------------------------
WTI benchmark price (US$/bbl)  $  77.99 $  78.79 $  59.61 $  78.39 $  51.46
Dated Brent benchmark price
 (US$/bbl)                     $  78.27 $  76.32 $  58.78 $  77.30 $  51.65
WCS blend differential from
 WTI (US$/bbl)                 $  14.12 $   9.06 $   7.43 $  11.60 $   8.20
WCS blend differential from
 WTI (%)                             18%      12%      13%      15%      16%
SCO price (US$/bbl) (1)        $  76.44 $  79.37 $  58.42 $  77.90 $  51.74
Condensate benchmark price
 (US$/bbl)                     $  82.81 $  84.82 $  58.30 $  83.81 $  50.91
NYMEX benchmark price
 (US$/mmbtu)                   $   4.08 $   5.38 $   3.59 $   4.72 $   4.23
AECO benchmark price (C$/GJ)   $   3.66 $   5.07 $   3.46 $   4.36 $   4.40
US / Canadian dollar average
 exchange rate                 $ 0.9731 $ 0.9615 $ 0.8571 $ 0.9673 $ 0.8293
----------------------------------------------------------------------------
----------------------------------------------------------------------------
(1) Synthetic Crude Oil ("SCO")

Commodity Prices

Crude oil sales contracts in the North America segment are typically based on WTI benchmark pricing. WTI averaged US$78.39 per bbl for the six months ended June 30, 2010, an increase of 52% from US$51.46 per bbl for the six months ended June 30, 2009. WTI averaged US$77.99 per bbl for the second quarter of 2010, an increase of 31% from US$59.61 per bbl for the second quarter of 2009, and was comparable to the prior quarter. WTI pricing was reflective of the overall balanced supply and demand environment, with strong Asian demand offsetting the demand decline related to the Organization of Economic Co-operation and Development ("OECD").

Crude oil sales contracts for the Company's North Sea and Offshore West Africa segments are typically based on Dated Brent ("Brent") pricing, which is more reflective of international markets and overall supply and demand. Brent averaged US$77.30 per bbl for the six months ended June 30, 2010, an increase of 50% compared to US$51.65 per bbl for the six months ended June 30, 2009. Brent averaged US$78.27 per bbl for the second quarter of 2010, an increase of 33% compared to US$58.78 per bbl for the second quarter of 2009, and 3% from US$76.32 per bbl for the prior quarter. High inventory levels at Cushing during the second quarter resulted in Brent prices exceeding WTI.

The Western Canadian Select ("WCS") Heavy Differential averaged 15% for the six months ended June 30, 2010 compared to 16% for the six months ended June 30, 2009. The WCS Heavy Differential widened in the second quarter of 2010, averaging 18% compared to 13% for the second quarter of 2009 and 12% for the prior quarter due to improved refinery utilizations.

The Company anticipates continued volatility in crude oil pricing benchmarks due to the unpredictable nature of supply and demand factors, geopolitical events, and the timing and extent of the near term economic recovery. The Heavy Differential is expected to continue to reflect seasonal demand fluctuations and refinery margins.

NYMEX natural gas prices averaged US$4.72 per mmbtu for the six months ended June 30, 2010, an increase of 12% from US$4.23 per mmbtu for the six months ended June 30, 2009. NYMEX natural gas prices averaged US$4.08 per mmbtu for the second quarter of 2010, an increase of 14% from US$3.59 per mmbtu for the second quarter of 2009, and a decrease of 24% from US$5.38 per mmbtu for the prior quarter. AECO natural gas prices for the six months ended June 30, 2010 averaged $4.36 per GJ, comparable to prices for the six months ended June 30, 2009. AECO natural gas prices for the second quarter of 2010 increased 6% to average $3.66 per GJ from $3.46 per GJ in the second quarter of 2009, and decreased 28% from $5.07 per GJ for the prior quarter. Natural gas prices reflected lower benchmark pricing during the second quarter. Weather patterns in the Northeast part of the United States and drilling shut-ins in the Gulf of Mexico temporarily mitigated seasonal pricing declines.

Update to Alberta Royalty Framework

On January 1, 2009, changes to the Alberta royalty regime under the Alberta Royalty Framework ("ARF") came into effect, including the implementation of a sliding scale for oil sands royalties ranging from 1% to 9% on a gross revenue basis pre-payout and 25% to 40% on a net revenue basis post-payout, depending on benchmark crude oil pricing.

In addition, on January 1, 2009, new royalty formulas under the ARF for conventional crude oil and natural gas, specifying royalties on sliding scales ranging up to 50%, depending on commodity prices and well productivity, came into effect.

In March 2010, the Government of Alberta modified the conventional crude oil and natural gas royalty rates. These changes, effective January 1, 2011, include:

- A reduction in the maximum royalty rate to 5% on new natural gas and conventional crude oil wells for the first 12 months after the start of production, subject to volume limits of 500 mmcfe and 50,000 boe respectively.

- A reduction in the maximum royalty rate for conventional crude oil from 50% to 40% and a reduction in the maximum royalty rate for conventional and unconventional natural gas from 50% to 36%.

In May 2010, the Government of Alberta announced further changes to conventional crude oil and natural gas royalty rates, effective May 1, 2010, including:

- An extension of the period subject to the 5% maximum royalty rate for coalbed methane and shale gas wells to the first 36 months after start of production, subject to volume limits of 750 mmcfe for coalbed methane and no volume limits for shale gas.

- An extension of the period subject to the 5% maximum royalty rate for horizontal natural gas and conventional crude oil wells. The period for horizontal natural gas wells is extended to the first 18 months after start of production, and volumes of 500 mmcfe. Limits on production months and volumes for conventional crude oil will be set according to the measured depth of the wells.

Modifications were also made to the natural gas deep drilling program, including changes to depth requirements. The government also announced changes to the price components of oil and gas royalty formulas to reduce the royalty rate at prices higher than $85.00 per bbl and $5.25 per GJ respectively.


DAILY PRODUCTION, before royalties

                                     Three Months Ended    Six Months Ended
                                 Jun 30   Mar 31   Jun 30   Jun 30   Jun 30
                                   2010     2010     2009     2010     2009
----------------------------------------------------------------------------
Crude oil and NGLs (bbl/d)
North America - Conventional    275,584  252,450  232,139  264,081  242,926
North America -
 Oil Sands Mining and Upgrading  99,950   86,995   59,599   93,508   31,647
North Sea                        37,669   36,879   40,362   37,276   41,360
Offshore West Africa             29,842   29,942   33,572   29,892   32,010
----------------------------------------------------------------------------
                                443,045  406,266  365,672  424,757  347,943
----------------------------------------------------------------------------
Natural gas (mmcf/d)
North America                     1,219    1,193    1,322    1,206    1,334
North Sea                             9       15       10       12       10
Offshore West Africa                  9       18       20       13       16
----------------------------------------------------------------------------
                                  1,237    1,226    1,352    1,231    1,360
----------------------------------------------------------------------------
Total barrels of oil
 equivalent (boe/d)             649,195  610,556  590,984  629,982  574,654
----------------------------------------------------------------------------
Product mix
Light/medium crude oil and NGLs      18%      19%      21%      18%      21%
Pelican Lake crude oil                6%       6%       6%       6%       6%
Primary heavy crude oil              14%      15%      14%      15%      15%
Thermal heavy crude oil              15%      12%      11%      14%      13%
Synthetic crude oil                  15%      14%      10%      15%       6%
Natural gas                          32%      34%      38%      32%      39%
----------------------------------------------------------------------------
Percentage of gross revenue (1)
 (excluding midstream revenue)
Crude oil and NGLs                   86%      82%      79%      84%      73%
Natural gas                          14%      18%      21%      16%      27%
----------------------------------------------------------------------------
----------------------------------------------------------------------------
(1) Net of transportation and blending costs and excluding risk management
    activities.



DAILY PRODUCTION, net of royalties

                                     Three Months Ended    Six Months Ended
                                 Jun 30   Mar 31   Jun 30   Jun 30   Jun 30
                                   2010     2010     2009     2010     2009
----------------------------------------------------------------------------
Crude oil and NGLs (bbl/d)
North America - Conventional    228,781  206,094  197,281  217,501  210,819
North America -
 Oil Sands Mining and Upgrading  96,543   83,918   58,467   90,266   31,067
North Sea                        37,581   36,803   40,292   37,194   41,273
Offshore West Africa             28,225   28,927   30,470   28,574   29,411
----------------------------------------------------------------------------
                                391,130  355,742  326,510  373,535  312,570
----------------------------------------------------------------------------
Natural gas (mmcf/d)
North America                     1,149    1,101    1,313    1,125    1,247
North Sea                             9       15       10       12       10
Offshore West Africa                  8       17       18       13       15
----------------------------------------------------------------------------
                                  1,166    1,133    1,341    1,150    1,272
----------------------------------------------------------------------------
Total barrels of oil
 equivalent (boe/d)             585,556  544,553  550,053  565,170  524,538
----------------------------------------------------------------------------
----------------------------------------------------------------------------

The Company's business approach is to maintain large project inventories and production diversification among each of the commodities it produces; namely natural gas, light/medium crude oil and NGLs, Pelican Lake crude oil, primary heavy crude oil, thermal heavy crude oil, and SCO.

Total crude oil and NGLs production for the six months ended June 30, 2010 increased 22% to 424,757 bbl/d from 347,943 bbl/d for the six months ended June 30, 2009. The increase was primarily due to the higher volumes from the Company's thermal and Horizon operations.

Total crude oil and NGLs production for the second quarter of 2010 increased 21% to 443,045 bbl/d from 365,672 bbl/d for the second quarter of 2009, and 9% from 406,266 bbl/d for the prior quarter. The increases from the comparable periods were primarily related to the cyclic nature of the Company's thermal operations and increased Horizon production. Crude oil and NGLs production in the second quarter of 2010 exceeded the Company's previously issued guidance of 394,000 to 426,000 bbl/d.

Natural gas production for the six months ended June 30, 2010 averaged 1,231 mmcf/d compared to 1,360 mmcf/d for the six months ended June 30, 2009. Natural gas production for the second quarter of 2010 decreased 9% to 1,237 mmcf/d compared to 1,352 mmcf/d for the second quarter of 2009 and was comparable to the prior quarter. The decrease in natural gas production from the comparable periods in 2009 reflects the expected production declines due to the allocation of capital to higher return crude oil projects, which resulted in a strategic reduction of natural gas drilling activity. Natural gas production in the second quarter of 2010 exceeded the Company's previously issued guidance of 1,207 to 1,232 mmcf/d.

For 2010, annual production guidance is targeted to average between 421,000 and 449,000 bbl/d of crude oil and NGLs and between 1,229 and 1,256 mmcf/d of natural gas. Third quarter 2010 production guidance is targeted to average between 414,000 and 445,000 bbl/d of crude oil and NGLs and between 1,247 and 1,271 mmcf/d of natural gas.

North America - Conventional

North America conventional crude oil and NGLs production for the six months ended June 30, 2010 increased 9% to average 264,081 bbl/d from 242,926 bbl/d for the six months ended June 30, 2009. Second quarter North America conventional crude oil and NGLs production increased 19% to average 275,584 bbl/d, compared to 232,139 bbl/d for the second quarter of 2009, and 9% from 252,450 bbl/d for the prior quarter. Increases in crude oil and NGLs production were primarily due to the cyclic nature of the Company's thermal production and a record heavy oil drilling program, and exceeded expectations. Production of conventional crude oil and NGLs exceeded the Company's previously issued guidance of 255,000 bbl/d to 265,000 bbl/d for the second quarter of 2010.

Natural gas production for the six months ended June 30, 2010 decreased 10% to 1,206 mmcf/d from 1,334 mmcf/d for the six months ended June 30, 2009. For the second quarter of 2010, natural gas production decreased 8% to 1,219 mmcf/d from 1,322 mmcf/d for the second quarter of 2009, and increased 2% from 1,193 mmcf/d for the prior quarter. The decreases in natural gas production from the comparable periods in 2009 reflected the expected production declines due to the allocation of capital to higher return crude oil projects, which resulted in a strategic reduction of natural gas drilling activity. The increase in natural gas production from the prior quarter was primarily a result of the acquisition of natural gas properties in certain of the Company's core regions. Production of natural gas exceeded the Company's previously issued guidance of 1,190 mmcf/d to 1,210 mmcf/d for the second quarter of 2010.

North America - Oil Sands Mining and Upgrading

Horizon Phase 1 commenced production of synthetic crude oil during 2009. Production averaged 93,508 bbl/d for the six months ended June 30, 2010, up 195% from 31,647 bbl/day for the six months ended June 30, 2009. For the second quarter of 2010, production increased 68% to 99,950 bbl/day, compared to 59,599 bbl/day in the second quarter of 2009, and 15% from 86,995 bbl/d in the prior quarter. Production volumes in the second quarter reflected the Company's focus on operational optimization and ramping up of production. Planned proactive maintenance during May 2010 was successfully completed, leading to record production volumes of 117,600 bbl/day in June 2010. Second quarter production for 2010 exceeded the Company's previously issued guidance of 80,000 bbl/d to 95,000 bbl/d.

North Sea

North Sea crude oil production for the six months ended June 30, 2010 decreased 10% to 37,276 bbl/d from 41,360 bbl/d for the six months ended June 30, 2009. Production volumes for the six months ended June 30, 2010 were lower than the comparable period in 2009 due to unplanned operational issues at Banff, Kyle and Murchison, partially offset by improved performance on the Ninian and Lyell Fields. Second quarter 2010 North Sea crude oil production decreased 7% to 37,669 bbl/d from 40,362 bbl/d for the second quarter of 2009 and was comparable to the prior quarter. Production in the second quarter of 2010 exceeded the Company's previously issued guidance of 33,000 bbl/d to 36,000 bbl/d primarily due to strong performance from the Ninian Field.

Offshore West Africa

Offshore West Africa crude oil production decreased 7% to 29,892 bbl/d for the six months ended June 30, 2010 from 32,010 bbl/d for the six months ended June 30, 2009. Second quarter crude oil production decreased 11% to 29,842 bbl/d from 33,572 bbl/d for the second quarter of 2009, and was comparable to the prior quarter. During the second quarter of 2010, final commissioning of Platform B at the Olowi Field was completed and first crude oil production was achieved as planned in April. Production in the second quarter was impacted by a planned shutdown at Espoir for installation of facilities upgrades but was at the high end of the Company's previously issued guidance.

Crude Oil Inventory Volumes

The Company recognizes revenue on its crude oil production when title transfers to the customer and delivery has taken place. Revenue has not been recognized on crude oil volumes that were stored in various tanks, pipelines, or floating production, storage and offtake vessels, as follows:


                                               Jun 30     Mar 31     Dec 31
(bbl)                                            2010       2010       2009
----------------------------------------------------------------------------
North America - Conventional                  761,351    761,351  1,131,372
North America - Oil Sands Mining
 and Upgrading (SCO)                        1,139,778  1,021,028  1,224,481
North Sea                                   1,018,357    642,457    713,112
Offshore West Africa                        1,428,949    898,233     51,103
----------------------------------------------------------------------------
                                            4,348,435  3,323,069  3,120,068
----------------------------------------------------------------------------
----------------------------------------------------------------------------



OPERATING HIGHLIGHTS - CONVENTIONAL

                                     Three Months Ended    Six Months Ended
                                 Jun 30   Mar 31   Jun 30   Jun 30   Jun 30
                                   2010     2010     2009     2010     2009
----------------------------------------------------------------------------
Crude oil and NGLs ($/bbl) (1)
Sales price (2)                $  63.62 $  68.76 $  59.56 $  66.10 $  50.12
Royalties                          8.95    10.08     7.27     9.50     5.57
Production expense                13.19    14.56    16.59    13.85    15.78
----------------------------------------------------------------------------
Netback                        $  41.48 $  44.12 $  35.70 $  42.75 $  28.77
----------------------------------------------------------------------------
Natural gas ($/mcf) (1)
Sales price (2)                $   3.86 $   5.19 $   4.11 $   4.52 $   4.78
Royalties (3)                      0.25     0.41     0.06     0.33     0.39
Production expense                 1.05     1.20     1.05     1.12     1.12
----------------------------------------------------------------------------
Netback                        $   2.56 $   3.58 $   3.00 $   3.07 $   3.27
----------------------------------------------------------------------------
Barrels of oil equivalent
 ($/boe) (1)
Sales price (2)                $  47.97 $  53.88 $  44.52 $  50.86 $  41.13
Royalties                          6.10     7.07     4.34     6.58     4.24
Production expense                10.55    11.67    12.21    11.09    11.98
----------------------------------------------------------------------------
Netback                        $  31.32 $  35.14 $  27.97 $  33.19 $  24.91
----------------------------------------------------------------------------
----------------------------------------------------------------------------
(1) Amounts expressed on a per unit basis are based on sales volumes.
(2) Net of transportation and blending costs and excluding risk management
    activities.
(3) Natural gas royalties for 2009 reflect the impact of natural gas
    physical sales contracts.



PRODUCT PRICES - CONVENTIONAL

                                     Three Months Ended    Six Months Ended
                                 Jun 30   Mar 31   Jun 30   Jun 30   Jun 30
                                   2010     2010     2009     2010     2009
----------------------------------------------------------------------------
Crude oil and NGLs ($/bbl)(1)(2)
North America                  $  60.35 $  66.18 $  57.97 $  63.15 $  47.25
North Sea                      $  79.30 $  80.53 $  65.52 $  79.95 $  60.85
Offshore West Africa           $  79.21 $  79.30 $  63.00 $  79.25 $  58.00
Company average                $  63.62 $  68.76 $  59.56 $  66.10 $  50.12

Natural gas ($/mcf)(1)(2)
North America                  $   3.85 $   5.20 $   4.06 $   4.51 $   4.76
North Sea                      $   3.33 $   4.30 $   3.84 $   3.93 $   4.06
Offshore West Africa           $   5.14 $   5.56 $   7.34 $   5.42 $   7.09
Company average                $   3.86 $   5.19 $   4.11 $   4.52 $   4.78

Company average ($/boe)(1)(2)  $  47.97 $  53.88 $  44.52 $  50.86 $  41.13
----------------------------------------------------------------------------
----------------------------------------------------------------------------
(1) Amounts expressed on a per unit basis are based on sales volumes.
(2) Net of transportation and blending costs and excluding risk management
    activities.

North America

North America realized crude oil prices increased 34% to average $63.15 per bbl for the six months ended June 30, 2010 from $47.25 per bbl for the six months ended June 30, 2009. Realized crude oil prices increased 4% to average $60.35 per bbl for the second quarter of 2010 from $57.97 per bbl for the second quarter of 2009, and decreased 9% from $66.18 per bbl for the prior quarter. The increase from the comparable periods in 2009 was primarily a result of increased WTI benchmark pricing and the impact of the narrow Heavy Differential, partially offset by the impact of the stronger Canadian dollar relative to the US dollar. The decrease in prices from the prior quarter was a result of lower WTI benchmark pricing and the widening heavy oil differential.

The Company continues to focus on its crude oil marketing strategy, and in the second quarter of 2010 contributed approximately 165,000 bbl/d of heavy crude oil blends to the WCS stream.

In the first quarter of 2010, the Company announced, together with North West Upgrading Inc., the submission of a joint proposal to the Alberta Government to construct and operate a bitumen refinery near Redwater, Alberta under the Alberta Royalty Framework's Bitumen Royalty In Kind ("BRIK") program. In the second quarter, the Government of Alberta announced that the proposal had been selected for exclusive negotiations following a comprehensive review. Further project development is dependent upon successful completion of these negotiations on commercially acceptable terms and final project sanction by the respective parties.

North America realized natural gas prices decreased 5% to average $4.51 per mcf for the six months ended June 30, 2010 from $4.76 per mcf for the six months ended June 30, 2009. Realized natural gas prices decreased 5% to average $3.85 per mcf for the second quarter of 2010 from $4.06 per mcf for the second quarter of 2009, and 26% from $5.20 per mcf for the prior quarter. The decrease in natural gas prices from the second quarter of 2009 was primarily related to lower benchmark prices due to lower demand and high storage levels, and the impact of the stronger Canadian dollar relative to the US dollar. The decrease in natural gas prices from the prior quarter was primarily related to lower benchmark prices due to high storage levels.

Comparisons of the prices received for the Company's North America conventional production by product type were as follows:


                                               Jun 30     Mar 31     Jun 30
(Quarterly Average)                              2010       2010       2009
----------------------------------------------------------------------------
Wellhead Price(1)(2)
Light/medium crude oil and NGLs ($/bbl)      $  68.13   $  72.15   $  56.00
Pelican Lake crude oil ($/bbl)               $  60.38   $  66.04   $  59.94
Primary heavy crude oil ($/bbl)              $  60.26   $  66.45   $  58.08
Thermal heavy crude oil ($/bbl)              $  56.53   $  62.08   $  58.22
Natural gas ($/mcf)                          $   3.85   $   5.20   $   4.06
----------------------------------------------------------------------------
----------------------------------------------------------------------------
(1) Amounts expressed on a per unit basis are based on sales volumes.
(2) Net of transportation and blending costs and excluding risk management
    activities.

North Sea

North Sea realized crude oil prices increased 31% to average $79.95 per bbl for the six months ended June 30, 2010 from $60.85 per bbl for the six months ended June 30, 2009. Realized crude oil prices increased 21% to average $79.30 per bbl for the second quarter of 2010 from $65.52 per bbl for the second quarter of 2009, and decreased 2% from $80.53 per bbl for the prior quarter. The increase in realized crude oil prices in the North Sea from the comparable periods in 2009 was primarily the result of increased Brent benchmark pricing, partially offset by the impact of the stronger Canadian dollar.

Offshore West Africa

Offshore West Africa realized crude oil prices increased 37% to average $79.25 per bbl for the six months ended June 30, 2010 from $58.00 per bbl for the six months ended June 30, 2009. Realized crude oil prices increased 26% to average $79.21 per bbl for the second quarter of 2010 from $63.00 per bbl for the second quarter of 2009, and were comparable to the prior quarter. The increase in realized crude oil prices in Offshore West Africa from the comparable periods in 2009 was primarily the result of increased Brent benchmark pricing, partially offset by the impact of the stronger Canadian dollar. Realized crude oil prices in Offshore West Africa were also impacted by the timing of liftings from each field.


ROYALTIES - CONVENTIONAL

                                     Three Months Ended    Six Months Ended
                                 Jun 30   Mar 31   Jun 30   Jun 30   Jun 30
                                   2010     2010     2009     2010     2009
----------------------------------------------------------------------------
Crude oil and NGLs ($/bbl)(1)
North America                  $  10.42 $  12.13 $   8.83 $  11.24 $   6.59
North Sea                      $   0.18 $   0.17 $   0.11 $   0.17 $   0.12
Offshore West Africa           $   4.29 $   2.69 $   5.82 $   3.56 $   4.62
Company average                $   8.95 $  10.08 $   7.27 $   9.50 $   5.57

Natural gas ($/mcf)(1)
North America (2)              $   0.25 $   0.41 $   0.05 $   0.33 $   0.39
Offshore West Africa           $   0.26 $   0.19 $   0.63 $   0.21 $   0.56
Company average                $   0.25 $   0.41 $   0.06 $   0.33 $   0.39

Company average ($/boe)(1)     $   6.10 $   7.07 $   4.34 $   6.58 $   4.24

Percentage of revenue(3)
Crude oil and NGLs                   14%      15%      12%      14%      11%
Natural gas(2)                        6%       8%       2%       7%       8%
Boe                                  13%      13%      10%      13%      10%
----------------------------------------------------------------------------
----------------------------------------------------------------------------
(1) Amounts expressed on a per unit basis are based on sales volumes.
(2) Natural gas royalties for 2009 reflect the impact of natural gas
    physical sales contracts.
(3) Net of transportation and blending costs and excluding risk management
    activities.

North America

North America royalties for the six months ended June 30, 2010 compared to 2009 reflect stronger realized commodity prices and the impact of the changes under the ARF.

Crude oil and NGLs royalties averaged approximately 17% of revenues for the second quarter of 2010, compared to 15% for the second quarter in 2009 and 18% for the prior quarter. Crude oil and NGLs royalties per bbl are anticipated to average 17% to 19% of gross revenue for 2010.

Natural gas royalties averaged approximately 6% of revenues for the second quarter of 2010 compared to 2% for the second quarter of 2009 and 8% for the prior quarter. The increase in natural gas royalty rates for the second quarter of 2010 compared to the prior year was primarily due to higher benchmark pricing and the impact of fixed-price natural gas sales contracts in 2009. Natural gas royalties are anticipated to average 6% to 8% of gross revenue for 2010.

Offshore West Africa

Under the terms of the Production Sharing Contracts, royalty rates fluctuate based on realized commodity pricing, capital costs, and the timing of liftings from each field. Royalty rates as a percentage of revenue averaged approximately 5% for the second quarter of 2010 compared to 9% for the second quarter of 2009 and 3% for the prior quarter. Offshore West Africa royalty rates are anticipated to average 6% to 8% of gross revenue for 2010.


PRODUCTION EXPENSE - CONVENTIONAL

                                     Three Months Ended    Six Months Ended
                                 Jun 30   Mar 31   Jun 30   Jun 30   Jun 30
                                   2010     2010     2009     2010     2009
----------------------------------------------------------------------------
Crude oil and NGLs ($/bbl)(1)
North America                  $  11.75 $  13.09 $  15.29 $  12.39 $  14.93
North Sea                      $  21.35 $  25.15 $  27.36 $  23.35 $  25.22
Offshore West Africa           $  18.33 $  13.49 $  10.45 $  16.11 $  10.99
Company average                $  13.19 $  14.56 $  16.59 $  13.85 $  15.78

Natural gas ($/mcf)(1)
North America                  $   1.03 $   1.17 $   1.04 $   1.10 $   1.11
North Sea                      $   2.53 $   3.54 $   1.62 $   3.15 $   1.73
Offshore West Africa           $   1.64 $   1.63 $   1.36 $   1.63 $   1.49
Company average                $   1.05 $   1.20 $   1.05 $   1.12 $   1.12


Company average ($/boe)(1)     $  10.55 $  11.67 $  12.21 $  11.09 $  11.98
----------------------------------------------------------------------------
----------------------------------------------------------------------------
(1) Amounts expressed on a per unit basis are based on sales volumes.

North America

North America crude oil and NGLs production expense for the six months ended June 30, 2010 decreased 17% to $12.39 per bbl from $14.93 per bbl for the six months ended June 30, 2009. Production expense for the second quarter of 2010 decreased 23% to $11.75 per bbl from $15.29 per bbl for the second quarter of 2009 and 10% from $13.09 per bbl for the prior quarter. The decrease in production expense per barrel from the comparable periods was a result of higher production volumes and the lower cost of natural gas used for fuel. North America crude oil and NGLs production expense is anticipated to average $12.00 to $13.00 per barrel for 2010.

North America natural gas production expense for the six months ended June 30, 2010 averaged $1.10 per mcf and was comparable to the six months ended June 30, 2009. Production expense for the second quarter of 2010 averaged $1.03 per mcf and was comparable to the second quarter of 2009 and decreased 12% from $1.17 per mcf for the prior quarter. The decrease in production expense per mcf from the prior quarter was primarily a result of the Company's focus on optimizing production and service costs and improving efficiency. North America natural gas production expense is anticipated to average $1.10 to $1.20 per mcf for 2010.

North Sea

North Sea crude oil production expense for the six months ended June 30, 2010 decreased 7% to $23.35 per bbl from $25.22 per bbl for the six months ended June 30, 2009. Production expense for the second quarter of 2010 decreased 22% to $21.35 per bbl from $27.36 per bbl for the second quarter of 2009 and 15% from $25.15 per bbl for the prior quarter. Production expense decreased on a per barrel basis from the comparable periods in 2009 due to lower maintenance activities and improved performance from the Ninian Platforms. Production expense decreased on a per barrel basis from the prior quarter due to one-time third party cost recoveries. The Company continues to focus on production costs, with guidance reduced to $28.00 to $31.00 per barrel. Production expense is anticipated to increase in the third quarter due to planned maintenance activity.

Offshore West Africa

Offshore West Africa crude oil production expense increased 47% to $16.11 per bbl from $10.99 per bbl for the six months ended June 30, 2009. Production expense for the second quarter of 2010 increased 75% to $18.33 per bbl from $10.45 per bbl for the second quarter of 2009 and 36% from $13.49 per bbl for the prior quarter. Production expense increased on a per barrel basis from the comparable periods in the prior year due to the timing of liftings for each field, including the impact of costs associated with the Olowi Field which has higher production costs than Espoir and Baobab. Production expense increased from the prior quarter due to increased liftings from the Olowi Field, and the planned shutdown at Espoir for facilities upgrades. Production expense is anticipated to average $14.00 to $16.00 per bbl for 2010.


DEPLETION, DEPRECIATION AND AMORTIZATION - CONVENTIONAL

                                     Three Months Ended    Six Months Ended
                                 Jun 30   Mar 31   Jun 30   Jun 30   Jun 30
                                   2010     2010     2009     2010     2009
----------------------------------------------------------------------------
Expense ($ millions)           $    740 $    679 $    631 $  1,419 $  1,292
 $/boe (1)                     $  15.85 $  14.52 $  13.07 $  14.81 $  13.14
----------------------------------------------------------------------------
----------------------------------------------------------------------------
(1) Amounts expressed on a per unit basis are based on sales volumes.

The increase in depletion, depreciation and amortization expense from the comparable periods in the prior year was due to higher production in North America, an increase in the estimated future costs to develop the Company's proved undeveloped reserves in the North Sea, and recognition of depletion, depreciation and amortization expense due to increased liftings from the Olowi Field. The increase in depletion, depreciation and amortization expense from the prior quarter was primarily due to the impact of higher production in North America and higher depletion, depreciation and amortization expense due to increased liftings from the Olowi Field.


ASSET RETIREMENT OBLIGATION ACCRETION - CONVENTIONAL

                                     Three Months Ended    Six Months Ended
                                 Jun 30   Mar 31   Jun 30   Jun 30   Jun 30
                                   2010     2010     2009     2010     2009
----------------------------------------------------------------------------
Expense ($ millions)           $     21 $     20 $     18 $     41 $     35
 $/boe (1)                     $   0.45 $   0.43 $   0.36 $   0.43 $   0.35
----------------------------------------------------------------------------
----------------------------------------------------------------------------
(1) Amounts expressed on a per unit basis are based on sales volumes.

Asset retirement obligation accretion expense represents the increase in the carrying amount of the asset retirement obligation due to the passage of time.


OPERATING HIGHLIGHTS - OIL SANDS MINING AND UPGRADING

FINANCIAL METRICS

                                     Three Months Ended    Six Months Ended
                                 Jun 30   Mar 31   Jun 30   Jun 30   Jun 30
($/bbl)(1)                         2010     2010     2009     2010     2009
----------------------------------------------------------------------------
SCO sales price (2)            $  75.97 $  78.76 $  65.40 $  77.29 $  65.40
Bitumen value for royalty
 purposes (3)                  $  52.67 $  61.33 $  54.00 $  57.00 $  54.00
Bitumen royalties (4)          $   2.69 $   2.83 $   0.76 $   2.76 $   0.76
----------------------------------------------------------------------------
----------------------------------------------------------------------------
(1) Amounts expressed on a per unit basis are based on sales volumes.
(2) Net of transportation.
(3) Calculated as the simple average of the monthly bitumen valuation
    methodology price.
(4) Calculated based on actual bitumen royalties expensed during the
    period; divided by the corresponding SCO sales volumes.

The increase in SCO prices from the comparative periods in 2009 was primarily due to the increase in the WTI benchmark price, offset by the impact of the strengthening Canadian dollar. The decrease in the SCO price for the second quarter of 2010 compared to the prior quarter was primarily due to weakening in WTI pricing and a widening of the SCO differential to WTI. There is an active market for SCO throughout North America.

PRODUCTION COSTS

The following tables provide reconciliations of Oil Sands Mining and Upgrading production costs to the Segmented Information disclosed in note 13 to the Company's unaudited interim consolidated financial statements.


                                     Three Months Ended    Six Months Ended
                                 Jun 30   Mar 31   Jun 30   Jun 30   Jun 30
($ millions)                       2010     2010     2009     2010     2009
----------------------------------------------------------------------------
Cash costs, excluding natural
 gas costs                     $    262 $    299 $    159 $    561 $    159
Natural gas costs                    28       47       23       75       23
----------------------------------------------------------------------------
Total cash production costs    $    290 $    346 $    182 $    636 $    182
----------------------------------------------------------------------------
----------------------------------------------------------------------------


                                     Three Months Ended    Six Months Ended
                                 Jun 30   Mar 31   Jun 30   Jun 30   Jun 30
($/bbl)(1)                         2010     2010     2009     2010     2009
----------------------------------------------------------------------------
Cash costs, excluding natural
 gas costs                     $  29.09 $  37.29 $  37.15 $  32.96 $  37.15
Natural gas costs                  3.18     5.83     5.50     4.43     5.50
----------------------------------------------------------------------------
Total cash production costs    $  32.27 $  43.12 $  42.65 $  37.39 $  42.65
----------------------------------------------------------------------------
Sales (bbl/d)                    98,645   89,256   46,844   93,976   23,551
----------------------------------------------------------------------------
----------------------------------------------------------------------------
(1) Amounts expressed on a per unit basis are based on sales volumes.

First sales from Horizon occurred in the second quarter of 2009.

Total cash production costs averaged $37.39 per bbl for the six months ended June 30, 2010 compared to $42.65 per bbl for the six months ended June 30, 2009. Total cash production costs averaged $32.27 per bbl in the second quarter of 2010 compared to $42.65 per bbl for the second quarter of 2009, and $43.12 in the prior quarter. The decrease in cash production costs from the comparative periods in 2009 and the prior quarter was primarily due to the Company's focus on planned maintenance and operational optimization, and the stabilizing of production volumes at levels approaching plant capacity. As production volumes are targeted to stabilize throughout 2010, cash production costs are expected to decrease and be in line with the previously issued annual guidance of $31.00 to $37.00 per bbl for 2010.

During the third quarter, unplanned maintenance to repair localized pipe wall thinning in the amine unit resulted in a plant-wide shutdown. Annual production guidance targets have been revised to average between 90,000 and 100,000 bbl/d to reflect the impact of this outage.


                                     Three Months Ended    Six Months Ended
                                 Jun 30   Mar 31   Jun 30   Jun 30   Jun 30
($ millions)                       2010     2010     2009     2010     2009
----------------------------------------------------------------------------
Depreciation, depletion and
 amortization                  $     94 $     90 $     36 $    184 $     38
Asset retirement obligation
 accretion                            5        6        6       11        8
Total                          $     99 $     96 $     42 $    195 $     46
----------------------------------------------------------------------------
----------------------------------------------------------------------------


                                     Three Months Ended    Six Months Ended
                                 Jun 30   Mar 31   Jun 30   Jun 30   Jun 30
($/bbl)(1)                         2010     2010     2009     2010     2009
----------------------------------------------------------------------------
Depreciation, depletion and
 amortization                  $  10.47 $  11.22 $   8.51 $  10.82 $   9.02
Asset retirement obligation
 accretion                         0.62     0.69     1.47     0.65     1.96
----------------------------------------------------------------------------
Total                          $  11.09 $  11.91 $   9.98 $  11.47 $  10.98
----------------------------------------------------------------------------
----------------------------------------------------------------------------
(1) Amounts expressed on a per unit basis are based on sales volumes.

Depletion, depreciation and amortization per barrel decreased in the second quarter of 2010, compared to the prior quarter, primarily due to the impact of increased production on the component of depreciation determined on a straight-line basis.


MIDSTREAM

                                     Three Months Ended    Six Months Ended
                                 Jun 30   Mar 31   Jun 30   Jun 30   Jun 30
($ millions)                       2010     2010     2009     2010     2009
----------------------------------------------------------------------------
Revenue                        $     21 $     19 $     17 $     40 $     36
Production expense                    7        5        5       12       10
----------------------------------------------------------------------------
Midstream cash flow                  14       14       12       28       26
Depreciation                          2        2        2        4        4
----------------------------------------------------------------------------
Segment earnings before taxes  $     12 $     12 $     10 $     24 $     22
----------------------------------------------------------------------------
----------------------------------------------------------------------------
Midstream operating results were consistent with the comparable periods.



ADMINISTRATION EXPENSE

                                     Three Months Ended    Six Months Ended
                                 Jun 30   Mar 31   Jun 30   Jun 30   Jun 30
                                   2010     2010     2009     2010     2009
----------------------------------------------------------------------------
Expense ($ millions)           $     60 $     54 $     47 $    114 $     94
 $/boe (1)                     $   1.03 $   0.99 $   0.88 $   1.01 $   0.91
----------------------------------------------------------------------------
----------------------------------------------------------------------------
(1) Amounts expressed on a per unit basis are based on sales volumes.

Administration expense for the six and three months ended June 30, 2010 increased from the comparative periods in 2009 due to higher staffing related costs. Administrative expense for the second quarter of 2010, compared to the prior quarter, was impacted by lower recoveries on a reduced capital program.


STOCK-BASED COMPENSATION EXPENSE

                                     Three Months Ended    Six Months Ended
                                 Jun 30   Mar 31   Jun 30   Jun 30   Jun 30
($ millions)                       2010     2010     2009     2010     2009
----------------------------------------------------------------------------
(Recovery) expense             $    (58) $    (2) $    92 $    (60) $    96
----------------------------------------------------------------------------
----------------------------------------------------------------------------

The Company recorded a $60 million ($60 million after-tax) stock-based compensation recovery for the six months ended June 30, 2010 primarily as a result of normal course graded vesting of options granted in prior periods, the impact of vested options exercised or surrendered during the period, and a 7% decrease in the Company's share price (Company's share price as at: June 30, 2010 - $35.33; March 31, 2010 - $37.59; December 31, 2009 - $38.00; June 30, 2009 - $30.60). For the six months ended June 30, 2010, the Company capitalized $1 million in stock-based compensation to Oil Sands Mining and Upgrading (June 30, 2009 - $7 million recovery). The stock-based compensation liability reflected the Company's potential cash liability should all the vested options be surrendered for a cash payout at the market price on June 30, 2010.

The Company's stock option plan provides current employees with the right to receive common shares or a direct cash payment in exchange for options surrendered. As a result of recently proposed changes to Canadian income tax legislation related to the cash surrender of options, the Company anticipates that Canadian based employees will now choose to exercise their options to receive newly issued common shares rather than surrender their options for cash payment.

For the six months ended June 30, 2010, the Company paid $38 million for stock options surrendered for cash settlement (June 30, 2009 - $43 million).


INTEREST EXPENSE

                                     Three Months Ended    Six Months Ended
($ millions, except              Jun 30   Mar 31   Jun 30   Jun 30   Jun 30
per boe amounts)                   2010     2010     2009     2010     2009
----------------------------------------------------------------------------
Expense, gross                 $    114 $    118 $    130 $    232 $    273
Less: capitalized interest,
 Oil Sands Mining and
 Upgrading                            5        7        6       12       92
----------------------------------------------------------------------------
Expense, net                   $    109 $    111 $    124 $    220 $    181
 $/boe (1)                     $   1.88 $   2.02 $   2.36 $   1.95 $   1.76
Average effective interest
 rate                               4.8%     4.7%     4.1%     4.8%     4.2%
----------------------------------------------------------------------------
----------------------------------------------------------------------------
(1) Amounts expressed on a per unit basis are based on sales volumes.

Gross interest expense decreased from the comparable periods in 2009 primarily due to the impact of fluctuations in foreign exchange rates on US dollar denominated debt and lower variable interest rates and debt levels. The Company's average effective interest rate increased from the comparable periods in 2009 primarily due to an increased weighting of fixed versus floating rate debt, partially offset by lower variable interest rates.

RISK MANAGEMENT ACTIVITIES

The Company utilizes various derivative financial instruments to manage its commodity price, currency and interest rate exposures. These derivative financial instruments are not intended for trading or speculative purposes.


                                     Three Months Ended    Six Months Ended
                                 Jun 30   Mar 31   Jun 30   Jun 30   Jun 30
($ millions)                       2010     2010     2009     2010     2009
----------------------------------------------------------------------------
Crude oil and NGLs financial
 instruments                   $     15 $     17 $   (362) $    32 $   (947)
Natural gas financial
 instruments                        (78)     (18)      (1)     (96)     (33)
Foreign currency contracts
 and interest rate swaps            (28)      40       73       12       49
----------------------------------------------------------------------------
Realized (gain) loss           $    (91)$     39 $   (290) $   (52)$   (931)
----------------------------------------------------------------------------

Crude oil and NGLs financial
 instruments                   $   (151)$    (73)$  1,020  $  (224)$  1,503
Natural gas financial
 instruments                         94     (130)     (13)     (36)     (37)
Foreign currency contracts
 and interest rate swaps            (25)      (5)     (61)     (30)     (57)
----------------------------------------------------------------------------
Unrealized (gain) loss         $    (82)$   (208)$    946  $  (290)$  1,409
----------------------------------------------------------------------------
Net (gain) loss                $   (173)$   (169)$    656  $  (342)$    478
----------------------------------------------------------------------------
----------------------------------------------------------------------------

Complete details related to outstanding derivative financial instruments at June 30, 2010 are disclosed in note 11 to the Company's unaudited interim consolidated financial statements.

Primarily due to changes in crude oil and natural gas forward pricing and the reversal of prior period unrealized gains and losses, the Company recorded a net unrealized gain of $290 million ($218 million after-tax) on its risk management activities for the six months ended June 30, 2010, including an $82 million ($64 million after-tax) net unrealized gain for the second quarter of 2010 (March 31, 2010 - unrealized gain of $208 million, $154 million after-tax; June 30, 2009 - unrealized loss of $946 million, $676 million after-tax).


FOREIGN EXCHANGE

                                     Three Months Ended    Six Months Ended
                                 Jun 30   Mar 31   Jun 30   Jun 30   Jun 30
($ millions)                       2010     2010     2009     2010     2009
----------------------------------------------------------------------------
Net realized (gain) loss       $     (9) $   (10) $    74 $    (19) $    59
Net unrealized loss (gain)(1)       165     (150)    (320)      15     (182)
----------------------------------------------------------------------------
Net loss (gain)                $    156  $  (160) $  (246)$     (4) $  (123)
----------------------------------------------------------------------------
----------------------------------------------------------------------------
(1) Amounts are reported net of the hedging effect of cross currency swaps.

The net unrealized foreign exchange loss for the six months ended June 30, 2010 was primarily due to the weakening Canadian dollar with respect to US dollar debt, and the impact of the re-measurement of North Sea future income tax liabilities denominated in UK pounds sterling. The net unrealized loss (gain) for the respective periods was partially offset by cross currency swaps (three months ended June 30, 2010 - unrealized gain of $91 million, March 31, 2010 - unrealized loss of $59 million, June 30, 2009 - unrealized loss of $186 million; six months ended June 30, 2010 - unrealized gain of $32 million, June 30, 2009 - unrealized loss of $118 million). The net realized foreign exchange gain for the six months ended June 30, 2010 was primarily due to foreign exchange rate fluctuations on settlement of working capital items denominated in US dollars or UK pounds sterling. The Canadian dollar ended the second quarter at US$0.9429 (March 31, 2010 - US$0.9846; December 31, 2009 - US$0.9555; June 30, 2009 - US$0.8602).


TAXES
                              Three Months Ended          Six Months Ended
($ millions, except      Jun 30     Mar 31     Jun 30     Jun 30     Jun 30
 income tax rates)         2010       2010       2009       2010       2009
----------------------------------------------------------------------------
Current                $     29   $     32   $     49   $     61   $     56
Deferred                      5          7         (2)        12         (5)
----------------------------------------------------------------------------
Taxes other than
 income tax            $     34   $     39   $     47   $     73   $     51
----------------------------------------------------------------------------

North America (1)      $    139   $    129   $      5   $    268   $     10
North Sea                    43         53         65         96        163
Offshore West Africa          9          6         17         15         31
----------------------------------------------------------------------------
Current income tax          191        188         87        379        204
Future income tax
 expense (recovery)          71        195       (201)       266       (257)
----------------------------------------------------------------------------
                            262        383       (114)       645        (53)

Income tax rate and
 other legislative
 changes (2)                  -        (83)         -        (83)        19
----------------------------------------------------------------------------
                       $    262   $    300   $   (114)  $    562   $    (34)
----------------------------------------------------------------------------
Effective income tax
 rate on adjusted
 net earnings from
 operations                27.9%      26.0%      16.8%      27.0%      21.5%
----------------------------------------------------------------------------
----------------------------------------------------------------------------
(1) Includes North America Conventional Crude Oil and Natural Gas,
    Midstream, and Oil Sands Mining and Upgrading segments.
(2) During the first quarter of 2010, the Canadian Federal budget proposed
    changes to the taxation of stock options surrendered by employees for
    cash payments. As a result of the proposed changes, the Company
    anticipates that Canadian based employees will no longer surrender
    their options for cash payments, resulting in a loss of income tax
    deductions for the Company. The impact of this change was an $83
    million charge to future income tax expense during the first quarter.
    Income tax rate changes in the first quarter of 2009 include the effect
    of a recovery of $19 million due to British Columbia corporate income
    tax rate reductions substantively enacted or enacted.

Taxes other than income tax primarily includes current and deferred Petroleum Revenue Tax ("PRT"), which is charged on certain fields in the North Sea at the rate of 50% of net operating income, after allowing for certain deductions including related capital and abandonment expenditures.

Taxable income from the conventional crude oil and natural gas business in Canada is primarily generated through partnerships, with the related income taxes payable in subsequent periods. North America current income taxes have been provided on the basis of this corporate structure. In addition, current income taxes in each business segment will vary depending on available income tax deductions related to the nature, timing and amount of capital expenditures incurred in any particular year.

The Company is subject to income tax reassessments arising in the normal course. The Company does not believe that any liabilities ultimately arising from these reassessments will be material.

For 2010, based on budgeted prices and the current availability of tax pools, the Company expects to incur current income tax expense in Canada of $525 million to $575 million and in the North Sea and Offshore West Africa of $210 million to $250 million.


NET CAPITAL EXPENDITURES (1)

                              Three Months Ended          Six Months Ended
                         Jun 30     Mar 31     Jun 30     Jun 30     Jun 30
($ millions)               2010       2010       2009       2010       2009
----------------------------------------------------------------------------
Expenditures on
 property, plant and
 equipment
Net property
 acquisitions
 (dispositions)        $    949   $     36   $     (2)  $    985   $     25
Land acquisition and
 retention                   37         38         18         75         31
Seismic evaluations          19         33         11         52         39
Well drilling,
 completion and
 equipping                  249        442        194        691        692
Production and
 related facilities         176        382        230        558        520
----------------------------------------------------------------------------
Total net reserve
 replacement
 expenditures             1,430        931        451      2,361      1,307
----------------------------------------------------------------------------
Oil Sands Mining and
 Upgrading:
 Horizon Phase 1
  construction costs          -          -        (59)         -         69
 Horizon Phase 1
  commissioning and
  other costs                 -          -         46          -        202
 Horizon Phases 2/3
  construction costs         56         71         22        127         41
 Capitalized
  interest,
  stock-based
  compensation and
  other                      39          9         (4)        48         75
 Sustaining capital          27         18          4         45          4
----------------------------------------------------------------------------
Total Oil Sands
 Mining and
 Upgrading (2)              122         98          9        220        391
----------------------------------------------------------------------------
Midstream                     1          -          -          1          5
Abandonments (3)             15         39         10         54         19
Head office                   5          4          3          9          7
----------------------------------------------------------------------------
Total net capital
 expenditures          $  1,573   $  1,072   $    473   $  2,645   $  1,729
----------------------------------------------------------------------------
----------------------------------------------------------------------------
By segment
North America          $  1,350   $    809   $    270   $  2,159   $    869
North Sea                    29         23         40         52         82
Offshore West Africa         50         99        141        149        356
Other                         1          -          -          1          -
Oil Sands Mining and
 Upgrading                  122         98          9        220        391
Midstream                     1          -          -          1          5
Abandonments (3)             15         39         10         54         19
Head office                   5          4          3          9          7
----------------------------------------------------------------------------
Total                  $  1,573   $  1,072   $    473   $  2,645   $  1,729
----------------------------------------------------------------------------
----------------------------------------------------------------------------
(1) The net capital expenditures exclude adjustments related to differences
    between carrying value and tax value, and other fair value adjustments.
(2) Net expenditures for the Oil Sands Mining and Upgrading assets also
    include the impact of intersegment eliminations.
(3) Abandonments represent expenditures to settle asset retirement
    obligations and have been reflected as capital expenditures in this
    table.

The Company's strategy is focused on building a diversified asset base that is balanced among various products. In order to facilitate efficient operations, the Company concentrates its activities in core regions where it can dominate the land base and infrastructure. The Company focuses on maintaining its land inventories to enable the continuous exploitation of play types and geological trends, greatly reducing overall exploration risk. By dominating infrastructure, the Company is able to maximize utilization of its production facilities, thereby increasing control over production costs.

Net capital expenditures for the six months ended June 30, 2010 were $2,645 million compared to $1,729 million for the six months ended June 30, 2009. Net capital expenditures for the second quarter of 2010 were $1,573 million compared to $473 million for the second quarter of 2009 and $1,072 million in the prior quarter. The increase in capital expenditures reflects the purchase of crude oil and natural gas producing properties and undeveloped land in the Company's core regions in Western Canada.


Drilling Activity (number of wells)

                              Three Months Ended          Six Months Ended
                         Jun 30     Mar 31     Jun 30     Jun 30     Jun 30
                           2010       2010       2009       2010       2009
----------------------------------------------------------------------------
Net successful natural
 gas wells                   10         45          -         55         64
Net successful crude
 oil wells                   92        243         94        335        187
Dry wells                     2         14          4         16         19
Stratigraphic test /
 service wells                9        297          7        306        243
----------------------------------------------------------------------------
Total                       113        599        105        712        513
Success rate
 (excluding
 stratigraphic test /
 service wells)              98%        95%        96%        96%        93%
----------------------------------------------------------------------------
----------------------------------------------------------------------------

North America

North America, excluding Oil Sands Mining and Upgrading, accounted for approximately 84% of the total capital expenditures for the six months ended June 30, 2010 compared to approximately 52% for the six months ended June 30, 2009.

During the second quarter of 2010, the Company targeted 11 net natural gas wells, including 7 wells in Northeast British Columbia, 3 wells in Northwest Alberta and 1 well in the Southern Plains region. The Company also targeted 91 net crude oil wells. The majority of these wells were concentrated in the Company's crude oil Northern Plains region where 38 heavy crude oil wells, 44 Pelican Lake crude oil wells, and 6 thermal crude oil wells were drilled. Another 3 wells targeting light crude oil were drilled outside the Northern Plains region.

As part of the phased expansion of its In Situ Oil Sands Assets, the Company is continuing to develop its Primrose thermal projects. Overall Primrose thermal production for the second quarter of 2010 averaged approximately 96,000 bbl/d, compared to approximately 63,000 bbl/d for the second quarter of 2009 and approximately 76,000 bbl/d for the prior quarter. The Primrose East expansion was completed and first steaming commenced in September 2008, with first production achieved in the first quarter of 2009. During the first quarter of 2009, operational issues on one of the pads caused steaming to cease on all well pads in the Primrose East project area. The Company is continuing to work with regulators to commence normal steaming.

The next planned phase of the Company's In Situ Oil Sands Assets expansion is the Kirby Project. Final project scope and corporate sanction is targeted for late 2010. Currently the Company is proceeding with the detailed engineering and design work.

Development of new pads and tertiary recovery conversion projects at Pelican Lake continued as expected throughout the second quarter of 2010. Drilling included 44 horizontal wells in the second quarter. The response from the water and polymer flood projects continues to be positive. Pelican Lake production averaged approximately 37,000 bbl/d for the second and first quarter of 2010, compared to approximately 36,000 bbl/d for the second quarter of 2009.

For the third quarter of 2010, the Company's overall planned drilling activity in North America is expected to be comprised of 25 natural gas wells and 330 crude oil wells, excluding stratigraphic and service wells.

Oil Sands Mining and Upgrading

Limited Phase 2/3 spending during the second quarter continued to be focused on the construction of the third Ore Preparation Plant, completion of the Mine Maintenance Shop and additional product tankage.

North Sea

In the second quarter of 2010, the Company continued drilling on the Ninian South Platform, with an injection well in progress at quarter end. The Company continues to focus on developing and high grading its inventory of drilling locations for future execution.

Offshore West Africa

During the second quarter of 2010, final commissioning of Platform B at the Olowi Field was completed and first crude oil production was achieved as planned in April. Drilling continued with 1.9 net crude oil wells completed during the quarter. By the end of the second quarter a total of 3.7 net wells were on production from Platform B. The Company is targeting to commission and have onstream a further 1.9 net wells in the third quarter and begin drilling operations on Platform A.

At Espoir the facilities upgrades were completed during the second quarter. The associated production uplift from the upgrades is anticipated in the third quarter of 2010.


LIQUIDITY AND CAPITAL RESOURCES

($ millions, except             Jun 30      Mar 31        Dec 31     Jun 30
 ratios)                          2010        2010          2009       2009
----------------------------------------------------------------------------
Working capital (deficit)
 (1)                         $    (245)  $    (534)    $    (514)  $   (113)
Long-term debt (2)           $   9,335   $   8,939     $   9,658   $ 11,987

Share capital                $   3,006   $   2,939     $   2,834   $  2,816
Retained earnings               18,066      17,481        16,696     15,697
Accumulated other
 comprehensive (loss)
 income                            (13)       (152)         (104)        75
----------------------------------------------------------------------------
Shareholders' equity         $  21,059   $  20,268     $  19,426   $ 18,588

Debt to book
 capitalization (2) (3)             31%         31%           33%        39%
Debt to market
 capitalization (2) (4)             20%         18%           19%        27%
After tax return on
 average common
 shareholders' equity (5)           13%         11%            8%        30%
After tax return on
 average capital
 employed (2) (6)                   10%          8%            6%        18%
----------------------------------------------------------------------------
----------------------------------------------------------------------------
(1) Calculated as current assets less current liabilities, excluding the
    current portion of long-term debt.
(2) Long-term debt is stated at its carrying value, net of fair value
    adjustments, original issue discounts and transaction costs.
(3) Calculated as current and long-term debt; divided by the book value of
    common shareholders' equity plus current and long-term debt.
(4) Calculated as current and long-term debt; divided by the market value
    of common shareholders' equity plus current and long-term debt.
(5) Calculated as net earnings for the twelve month trailing period; as a
    percentage of average common shareholders' equity for the period.
(6) Calculated as net earnings plus after-tax interest expense for the
    twelve month trailing period; as a percentage of average capital
    employed for the period.

At June 30, 2010, the Company's capital resources consist primarily of cash flow from operations, available bank credit facilities and access to debt capital markets. Cash flow from operations is dependent on factors discussed in the "Risks and Uncertainties" section of the Company's December 31, 2009 annual MD&A. The Company's ability to renew existing bank credit facilities and raise new debt is also dependent upon these factors, as well as maintaining an investment grade debt rating and the condition of capital and credit markets. The Company continues to believe that its internally generated cash flow from operations supported by the implementation of its on-going hedge policy, the flexibility of its capital expenditure programs supported by its multi-year financial plans, its existing bank credit facilities, and its ability to raise new debt on commercially acceptable terms, will provide sufficient liquidity to sustain its operations in the short, medium and long term and support its growth strategy.

At June 30, 2010, the Company had $2,470 million of available credit under its bank credit facilities. The Company's current debt ratings are BBB (high) with a stable trend by DBRS Limited, Baa2 with a stable outlook by Moody's Investors Service, Inc., and BBB with a positive outlook by Standard & Poor's Corporation.

Further details related to the Company's long-term debt at June 30, 2010 are discussed in note 4 to the Company's unaudited interim consolidated financial statements.

Long-term debt was $9,335 million at June 30, 2010, resulting in a debt to book capitalization ratio of 31% (March 31, 2010 - 31%; December 31, 2009 - 33%; June 30, 2009 - 39%). This ratio is below the 35% to 45% internal range utilized by management. This range may be exceeded in periods when a combination of capital projects, acquisitions, and lower commodity prices occur. The Company may be below the low end of the targeted range when cash flow from operating activities is greater than current investment activities. The Company remains committed to maintaining a strong balance sheet and flexible capital structure. The Company has hedged a portion of its crude oil and natural gas production for 2010 at prices that protect investment returns to ensure ongoing balance sheet strength and the completion of its capital expenditure programs.

The Company's commodity hedging program reduces the risk of volatility in commodity prices and supports the Company's cash flow for its capital expenditures programs. This program currently allows for the hedging of up to 60% of the near 12 months budgeted production and up to 40% of the following 13 to 24 months estimated production. For the purpose of this program, the purchase of put options is in addition to the above parameters. As at June 30, 2010, in accordance with the policy, approximately 34% of budgeted crude oil volumes and approximately 34% of budgeted natural gas volumes were hedged using collars for the remainder of 2010.

Further details related to the Company's commodity related derivative financial instruments outstanding at June 30, 2010 are discussed in note 11 to the Company's unaudited interim consolidated financial statements.

Share capital and share split

The Company's shareholders passed a Special Resolution subdividing the common shares of the Company on a two-for-one basis at the Company's Annual and Special Meeting held on May 6, 2010 with such subdivision taking effect on May 21, 2010. All common share, per common share, and stock option amounts have been restated to reflect the share split.

As at June 30, 2010, there were 1,089,238,000 common shares outstanding and 57,754,000 stock options outstanding. As at August 4, 2010, the Company had 1,089,373,000 common shares outstanding and 57,287,000 stock options outstanding.

On March 3, 2010, the Company's Board of Directors approved an increase in the annual dividend paid by the Company to $0.30 per common share for 2010. The increase represented a 43% increase from 2009, recognizes the stability of the Company's cash flow, and provides a return to Shareholders. The dividend policy undergoes a periodic review by the Board of Directors and is subject to change.

In 2010, the Company announced a Normal Course Issuer Bid to purchase, through the facilities of the Toronto Stock Exchange ("TSX") and the New York Stock Exchange ("NYSE"), during the 12 month period commencing April 6, 2010 and ending April 5, 2011, up to 27,163,940 common shares or 2.5% of the common shares of the Company outstanding at March 17, 2010. As at August 4, 2010, no common shares had been purchased for cancellation.

COMMITMENTS AND OFF BALANCE SHEET ARRANGEMENTS

In the normal course of business, the Company has entered into various commitments that will have an impact on the Company's future operations. As at June 30, 2010, no entities were consolidated under the Canadian Institute of Chartered Accountants Handbook Accounting Guideline 15, "Consolidation of Variable Interest Entities". The following table summarizes the Company's commitments as at June 30, 2010:


                Remaining
($ millions)         2010     2011     2012     2013     2014    Thereafter
----------------------------------------------------------------------------
Product
 transportation
 and pipeline     $   121   $  207   $  176   $  150   $  149   $     1,088
Offshore
 equipment
 operating
 leases           $    90   $  127   $  104   $  103   $  102   $       265
Offshore
 drilling         $    34   $    -   $    -   $    -   $    -   $         -
Asset
 retirement
 obligations (1)  $     8   $   20   $   21   $   31   $   39   $     6,626
Long-term debt
 (2)              $   400   $  424   $  371   $  824   $  371   $     5,492
Interest
 expense (3)      $   239   $  456   $  420   $  374   $  354   $     4,844
Office leases     $    12   $   20   $    3   $    3   $    3   $         4
Other             $   145   $   66   $   24   $   14   $   12   $        36
----------------------------------------------------------------------------
----------------------------------------------------------------------------
(1) Amounts represent management's estimate of the future undiscounted
    payments to settle asset retirement obligations related to resource
    properties, facilities, and production platforms, based on current
    legislation and industry operating practices. Amounts disclosed for the
    period 2010 - 2014 represent the estimated minimum expenditures
    required to meet these obligations. Actual expenditures in any
    particular year may exceed these minimum amounts.
(2) The long-term debt represents principal repayments only and does not
    reflect fair value adjustments, original issue discounts or transaction
    costs. No debt repayments are reflected for $1,472 million of revolving
    bank credit facilities due to the extendable nature of the facilities.
(3) Interest expense amounts represent the scheduled fixed rate and
    variable rate cash payments related to long-term debt. Interest on
    variable rate long-term debt was estimated based upon prevailing
    interest rates and foreign exchange rates as at June 30, 2010.

LEGAL PROCEEDINGS AND OTHER CONTINGENCIES

The Company is defendant and plaintiff in a number of legal actions. In addition, the Company is subject to certain contractor construction claims. The Company believes that any liabilities that might arise pertaining to any such matters would not have a material effect on its consolidated financial position.

CRITICAL ACCOUNTING ESTIMATES AND CHANGE IN ACCOUNTING POLICIES

The preparation of financial statements requires the Company to make judgments, assumptions and estimates in the application of generally accepted accounting principles that have a significant impact on the financial results of the Company. Actual results could differ from those estimates. A comprehensive discussion of the Company's significant accounting policies is contained in the MD&A and the audited consolidated financial statements for the year ended December 31, 2009.

For the impact of new accounting standards, refer to note 2 of the unaudited interim consolidated financial statements as at June 30, 2010.

INTERNATIONAL FINANCIAL REPORTING STANDARDS

In February 2008, the CICA's Accounting Standards Board confirmed that Canadian publicly accountable enterprises will be required to adopt International Financial Reporting Standards ("IFRS") as promulgated by the International Accounting Standards Board ("IASB") in place of Canadian GAAP effective January 1, 2011.

The Company has established a formal IFRS project governance structure. The structure includes a Steering Committee, which consists of senior levels of management from finance and accounting, operations and information technology ("IT"). The Steering Committee provides regular updates to the Company's Management and the Audit Committee of the Board of Directors.

The Company's IFRS conversion project has been broken down into the following phases:

- Phase 1 Diagnostic - identification of potential accounting and reporting differences between Canadian GAAP and IFRS.

- Phase 2 Planning - establishment of project governance, processes, resources, budget and timeline.

- Phase 3 Policy Delivery and Documentation - establishment of accounting policies under IFRS.

- Phase 4 Policy Implementation - establishment of processes for accounting and reporting, IT change requirements, and education.

- Phase 5 Sustainment - ongoing compliance with IFRS after implementation.

The Company has completed the Diagnostic and Planning phases (Phases 1 and 2). Significant differences were identified in accounting for Property, Plant & Equipment ("PP&E"), including exploration costs, depletion and depreciation, capitalized interest, impairment testing, and asset retirement obligations. Other significant differences were noted in accounting for stock-based compensation, risk management activities, and income taxes. The Company is finalizing the necessary research to develop and document IFRS policies to address the major differences noted (Phase 3). A summary of the significant differences identified is included below. At this time, the impact on the Company's future financial position and results of operations is not reasonably determinable. In addition, certain IFRS standards are expected to change prior to adoption in 2011, and the impact of these potential changes is not known.

The Company has identified, developed and tested system processes and changes required to capture data required for IFRS accounting and reporting (Phase 4), including 2010 requirements to capture both Canadian GAAP and IFRS data. IT system changes are substantially complete and implemented as at June 30, 2010.

Summary of Identified IFRS Accounting Policy Differences

Property, Plant & Equipment

Adoption of IFRS will significantly impact the Company's accounting policies for PP&E. For Canadian GAAP purposes, the Company follows the full cost method of accounting for its conventional crude oil and natural gas properties and equipment as prescribed by Accounting Guideline 16 ("AcG16"). Application of the full cost method of accounting is discussed in the "Critical Accounting Estimates" section of the 2009 annual MD&A. Significant differences in accounting for PP&E under IFRS include:

- Pre-exploration costs must be expensed. Under full cost accounting, these costs are currently included in the country cost centre.

- Exploration and evaluation costs will be initially capitalized as exploration and evaluation assets. Once technical feasibility and commercial viability of reserves is established for an area, the costs will be transferred to PP&E. If technically feasible and commercially viable reserves are not established for a new area, the costs must be expensed. Under full cost accounting, exploration and evaluation costs are currently disclosed as PP&E but withheld from depletion. Costs are transferred to the depletable assets when proved reserves are assigned or when it is determined that the costs are impaired.

- PP&E for producing properties will be depreciated at an asset level. Under full cost accounting, PP&E is depleted on a country cost centre basis.

- Interest directly attributable to the acquisition or construction of a qualifying asset must be capitalized to the cost of the asset. Under Canadian GAAP, capitalization of interest is not required.

- Impairment of PP&E will be tested at a cash generating unit level (the lowest level at which cash inflows can be separately identified). Under full cost accounting, impairment is tested at the country cost centre level.

IFRS 1 "First-time Adoption of International Financial Reporting Standards" issued by the IASB includes a transition exemption for oil and gas companies following full cost accounting under their previous GAAP. The transition exemption allows full cost companies to allocate their existing full cost PP&E balances using reserve values or volumes to IFRS compliant units of account without requiring retroactive adjustment, subject to an initial impairment test. The Company intends to adopt this transition exemption. After initial adoption, future impairment charges may be reversed.

Asset Retirement Obligations

Canadian GAAP accounting requirements for asset retirement obligations ("ARO") are discussed in the "Critical Accounting Estimates" section of the 2009 annual MD&A. A significant difference in accounting for ARO under IFRS is that the liability must be re-measured at each balance sheet date using the current discount rates, whereas under Canadian GAAP the discount rates do not change once the liability is recorded. On transition to IFRS, the change in ARO liability on PP&E for which the full cost exemption above is applied must be recorded in retained earnings. For the change in ARO liability on other non-full cost PP&E, the change will be adjusted to PP&E in accordance with the general exemption for decommissioning liabilities included in IFRS 1. In future periods, the impact of changes in discount rates on the ARO liability for all PP&E is adjusted to PP&E.

Stock-based Compensation

Under Canadian GAAP, the Company's stock option plan liability is valued using the intrinsic value method, calculated as the amount by which the market price of the Company's shares exceeds the exercise price of the option for vested options. Under IFRS, the stock option plan liability must be measured using a fair value option pricing model such as the Black-Scholes model. The Company intends to utilize the exemption in IFRS 1 under which options that were settled prior to January 1, 2010 will not have to be retrospectively restated. On transition to IFRS, the change in stock-based compensation liability must be recorded in retained earnings.

Petroleum Revenue Tax

Under Canadian GAAP, the liability for the UK PRT is estimated using proved and probable reserves and future prices and costs, and apportioned to accounting periods over the life of the field on the basis of total estimated future operating income. Under IFRS, the PRT liability will be estimated using the balance sheet method in accordance with IAS 12 Income Taxes, where the liability is based on temporary differences in balance sheet assets and liabilities versus their tax basis. On transition to IFRS, the change in PRT liability must be recorded in retained earnings.

Income Taxes

Both Canadian GAAP and IFRS follow the liability method of accounting for income taxes, where tax liabilities and assets are recognized on temporary differences. However, there are certain exceptions to the treatment of temporary differences under IFRS that may result in an adjustment to the Company's future tax liability under IFRS. In addition, the Company's future tax liability will be impacted by the tax effects of any changes noted in the above areas. On transition to IFRS, the change in future income tax liability must be recorded in retained earnings.

Other IFRS 1 Exemptions

The Company also intends to adopt the following IFRS 1 transition exemptions:

- The Company intends to elect to reset the foreign currency translation adjustment to zero by transferring the Canadian GAAP balance to retained earnings on January 1, 2010, rather than retrospectively restating the balance.

- The Company intends to adopt the IFRS 1 election to not restate business combinations entered into prior to January 1, 2010.

SENSITIVITY ANALYSIS

The following table is indicative of the annualized sensitivities of cash flow from operations and net earnings from changes in certain key variables. The analysis is based on business conditions and sales volumes during the second quarter of 2010, excluding mark-to-market gains (losses) on risk management activities, and is not necessarily indicative of future results. Each separate line item in the sensitivity analysis shows the effect of a change in that variable only with all other variables being held constant.


                                     Cash flow
                                          from                          Net
                                    operations                     earnings
                       Cash flow          (per                         (per
                            from        common            Net        common
                      operations         share,      earnings         share,
                     ($ millions)        basic)   ($ millions)        basic)
----------------------------------------------------------------------------
Price changes
Crude oil - WTI
 US$1.00/bbl (1)
 Excluding
  financial
  derivatives        $       137    $     0.13    $       105  $       0.10
 Including
  financial
  derivatives        $       128    $     0.12    $        98  $       0.09
Natural gas -
 AECO C$0.10/mcf
 (1)
 Excluding
  financial
  derivatives        $        31    $     0.03    $        23  $       0.02
 Including
  financial
  derivatives        $        26    $     0.02    $        19  $       0.02
Volume changes
Crude oil -
 10,000 bbl/d        $       171    $     0.16    $        98  $       0.09
Natural gas -
 10 mmcf/d           $         9    $     0.01    $         1  $          -
Foreign
currency rate
 change
$0.01 change in
 US$ (1)
Including
 financial
 derivatives         $ 105 - 107    $     0.10    $   37 - 38  $0.03 - 0.04
Interest rate
 change - 1%         $        10    $     0.01    $        10  $       0.01
----------------------------------------------------------------------------
----------------------------------------------------------------------------
(1) For details of outstanding financial instruments in place, refer to
    note 11 of the Company's unaudited interim consolidated financial
    statements.



FINANCIAL STATEMENTS
Consolidated Balance Sheets
                                                      Jun 30         Dec 31
(millions of Canadian dollars, unaudited)               2010           2009
----------------------------------------------------------------------------

ASSETS
Current assets
 Cash and cash equivalents                        $       19     $       13
 Accounts receivable                                   1,363          1,148
 Inventory, prepaids and other                           610            584
 Future income tax                                         -            146
 Current portion of other long-term assets
  (note 3)                                               108              -
----------------------------------------------------------------------------
                                                       2,100          1,891
Property, plant and equipment (note 13)               40,107         39,115
Other long-term assets (note 3)                           48             18
----------------------------------------------------------------------------
                                                  $   42,255     $   41,024
----------------------------------------------------------------------------
----------------------------------------------------------------------------

LIABILITIES
Current liabilities
 Accounts payable                                 $      295     $      240
 Accrued liabilities                                   1,842          1,522
 Future income tax                                        22              -
 Current portion of other long-term
  liabilities (note 5)                                   186            643
----------------------------------------------------------------------------
                                                       2,345          2,405
Long-term debt (note 4)                                9,335          9,658
Other long-term liabilities (note 5)                   1,753          1,848
Future income tax                                      7,763          7,687
----------------------------------------------------------------------------
                                                      21,196         21,598
----------------------------------------------------------------------------
SHAREHOLDERS' EQUITY
Share capital (note 7)                                 3,006          2,834
Retained earnings                                     18,066         16,696
Accumulated other comprehensive loss (note 8)            (13)          (104)
----------------------------------------------------------------------------
                                                      21,059         19,426
----------------------------------------------------------------------------
                                                  $   42,255     $   41,024
----------------------------------------------------------------------------
----------------------------------------------------------------------------
Commitments (note 12)




Consolidated Statements of Earnings

(millions of Canadian
  dollars, except per           Three Months Ended         Six Months Ended
  common share amounts,         Jun 30      Jun 30        Jun 30     Jun 30
  unaudited)                      2010        2009          2010       2009
----------------------------------------------------------------------------
Revenue                      $   3,614   $   2,750     $   7,194   $  4,936
Less: royalties                   (324)       (212)         (677)      (411)
----------------------------------------------------------------------------
Revenue, net of royalties        3,290       2,538         6,517      4,525
----------------------------------------------------------------------------
Expenses
Production                         812         773         1,706      1,355
Transportation and
 blending                          559         309           973        626
Depletion, depreciation
 and amortization                  836         664         1,607      1,310
Asset retirement
 obligation accretion
 (note 5)                           26          24            52         43
Administration                      60          47           114         94
Stock-based compensation
 (recovery) expense
 (note 5)                          (58)         92           (60)        96
Interest, net                      109         124           220        181
Risk management
 activities (note 11)             (173)        656          (342)       478
Foreign exchange loss
 (gain)                            156        (246)           (4)      (123)
----------------------------------------------------------------------------
                                 2,327       2,443         4,266      4,060
----------------------------------------------------------------------------
Earnings before taxes              963          95         2,251        465
Taxes other than income
 tax                                34          47            73         51
Current income tax
 expense (note 6)                  191          87           379        204
Future income tax expense
 (recovery) (note 6)                71        (201)          266       (257)
----------------------------------------------------------------------------
Net earnings                 $     667   $     162     $   1,533   $    467
----------------------------------------------------------------------------
Net earnings per common
 share (note 10)
 Basic and diluted           $    0.61   $    0.15     $    1.41   $   0.43
----------------------------------------------------------------------------
----------------------------------------------------------------------------




Consolidated Statements of Shareholders' Equity
                                                         Six Months Ended
                                                      Jun 30         Jun 30
(millions of Canadian dollars, unaudited)               2010           2009
----------------------------------------------------------------------------
Share capital (note 7)
Balance - beginning of period                     $    2,834     $    2,768
Issued upon exercise of stock options                     74             18
Previously recognized liability on stock options
 exercised for common shares                              98             30
----------------------------------------------------------------------------
Balance - end of period                                3,006          2,816
----------------------------------------------------------------------------
Retained earnings
Balance - beginning of period                         16,696         15,344
Net earnings                                           1,533            467
Dividends on common shares (note 7)                     (163)          (114)
----------------------------------------------------------------------------
Balance - end of period                               18,066         15,697
----------------------------------------------------------------------------
Accumulated other comprehensive (loss) income
 (note 8)
Balance - beginning of period                           (104)           262
Other comprehensive income (loss), net of taxes           91           (187)
----------------------------------------------------------------------------
Balance - end of period                                  (13)            75
----------------------------------------------------------------------------
Shareholders' equity                              $   21,059     $   18,588
----------------------------------------------------------------------------
----------------------------------------------------------------------------




Consolidated Statements of Comprehensive Income (Loss)
                                Three Months Ended         Six Months Ended
(millions of Canadian           Jun 30      Jun 30        Jun 30     Jun 30
 dollars, unaudited)              2010        2009          2010       2009
----------------------------------------------------------------------------
Net earnings                 $     667   $     162     $   1,533   $    467
----------------------------------------------------------------------------
Net change in derivative
 financial instruments
 designated as cash flow
 hedges
Unrealized gain (loss)
 during the period, net of
 taxes of
  $13 million (2009 - $2
   million) - three months
   ended;
  $12 million (2009 - $4
   million) - six months
   ended                            89         (13)           84        (30)
Reclassification to net
 earnings, net of taxes of
  $1 million (2009 - $nil) -
   three months ended;
  $1 million (2009 - $1
   million) - six months
   ended                            (3)         (5)           (3)        (8)
----------------------------------------------------------------------------
                                    86         (18)           81        (38)

Foreign currency translation
 adjustment
Translation of net
 investment                         53        (222)           10       (149)
----------------------------------------------------------------------------
Other comprehensive income
 (loss), net of taxes              139        (240)           91       (187)
----------------------------------------------------------------------------
Comprehensive income (loss)  $     806   $     (78)    $   1,624   $    280
----------------------------------------------------------------------------
----------------------------------------------------------------------------




Consolidated Statements of Cash Flows
                                Three Months Ended         Six Months Ended
(millions of Canadian           Jun 30      Jun 30        Jun 30     Jun 30
 dollars, unaudited)              2010        2009          2010       2009
----------------------------------------------------------------------------
Operating activities
Net earnings                 $     667   $     162     $   1,533   $    467
Non-cash items
 Depletion, depreciation
  and amortization                 836         664         1,607      1,310
 Asset retirement
  obligation accretion              26          24            52         43
 Stock-based compensation
  (recovery) expense               (58)         92           (60)        96
 Unrealized risk
  management (gain) loss           (82)        946          (290)     1,409
 Unrealized foreign
  exchange loss (gain)             165        (320)           15       (182)
 Deferred petroleum
  revenue tax expense
  (recovery)                         5          (2)           12         (5)
 Future income tax
  expense (recovery)                71        (201)          266       (257)
Other                               10           7           (16)        (6)
Abandonment expenditures           (15)        (10)          (54)       (19)
Net change in non-cash
 working capital                   174        (110)           95       (113)
----------------------------------------------------------------------------
                                 1,799       1,252         3,160      2,743
----------------------------------------------------------------------------
Financing activities
Issue (repayment) of bank
 credit facilities, net             85        (398)         (443)      (506)
Repayment of senior
 unsecured notes                     -         (34)            -        (34)
Issue of common shares
 on exercise of stock
 options                            34           2            74         18
Dividends on common
 shares                            (81)        (57)         (138)      (111)
Net change in non-cash
 working capital                    38          32             1         (4)
----------------------------------------------------------------------------
                                    76        (455)         (506)      (637)
----------------------------------------------------------------------------
Investing activities
Expenditures on
 property, plant, and
 equipment                      (1,561)       (470)       (2,594)    (1,717)
Net proceeds on sale of
 property, plant and
 equipment                           3           7             3          7
----------------------------------------------------------------------------
Net expenditures on
 property, plant and
 equipment                      (1,558)       (463)       (2,591)    (1,710)
Net change in non-cash
 working capital                  (319)       (319)          (57)      (398)
----------------------------------------------------------------------------
                                (1,877)       (782)       (2,648)    (2,108)
----------------------------------------------------------------------------
(Decrease) increase in
 cash and cash equivalents          (2)         15             6         (2)
Cash and cash equivalents -
 beginning of period                21          10            13         27
----------------------------------------------------------------------------
Cash and cash
 equivalents - end of
 period                      $      19   $      25     $      19   $     25
----------------------------------------------------------------------------
----------------------------------------------------------------------------
Interest paid                $      80   $      92     $     232   $    276
Taxes paid (recovered)
 Taxes other than income
  tax                        $       -   $      25     $      (6)  $      -
 Current income tax          $     (40)  $      (2)    $      12   $     41
----------------------------------------------------------------------------
----------------------------------------------------------------------------

Notes to the consolidated financial statements

(tabular amounts in millions of Canadian dollars, unless otherwise stated, unaudited)

1. ACCOUNTING POLICIES

The interim consolidated financial statements of Canadian Natural Resources Limited (the "Company") include the Company and all of its subsidiaries and partnerships, and have been prepared following the same accounting policies as the audited consolidated financial statements of the Company as at December 31, 2009. The interim consolidated financial statements contain disclosures that are supplemental to the Company's annual audited consolidated financial statements. Certain disclosures that are normally required to be included in the notes to the annual audited consolidated financial statements have been condensed. These interim financial statements should be read in conjunction with the Company's audited consolidated financial statements and notes thereto for the year ended December 31, 2009.

Comparative Figures

Certain prior period figures have been reclassified to conform to the presentation adopted in 2010.

Common share, per common share, and stock option data has been restated to reflect the two-for-one share split in May 2010.

2. CHANGES IN ACCOUNTING POLICIES

International Financial Reporting Standards

In February 2008, the Canadian Institute of Chartered Accountants' Accounting Standards Board confirmed that Canadian publicly accountable entities will be required to adopt International Financial Reporting Standards ("IFRS") as promulgated by the International Accounting Standards Board in place of generally accepted accounting principles in Canada ("GAAP") effective January 1, 2011. The Company has assessed those accounting policies that will be affected by the change to IFRS and continues to assess the potential impact of these changes on its financial position and results of operations.

Recently issued accounting standards under Canadian GAAP

The following standards will be effective for the Company's year beginning on January 1, 2011:

Business Combinations, Consolidated Financial Statements and Non-Controlling Interests

Section 1582 - "Business Combinations", 1601 - "Consolidated Financial Statements", and 1602 - "Non-Controlling Interests" replace Section 1581 - "Business Combinations", and 1600 - "Consolidated Financial Statements". The new standards are the Canadian equivalent of IFRS 3 "Business Combinations" and IAS 27 "Consolidated and Separate Financial Statements". Section 1582 is effective for business combinations for acquisition dates on or after January 1, 2011. Earlier adoption is permitted, provided all three new standards are adopted simultaneously. Section 1582 requires equity instruments issued as part of the purchase consideration to be measured at fair value at the acquisition date, rather than the date when the acquisition was agreed to and announced. In addition, most acquisition costs are expensed as incurred, instead of being included in the purchase consideration. The new standard also requires non-controlling interests to be measured at fair value instead of carrying amounts. Section 1602 provides guidance on the treatment of non-controlling interests after acquisition. Section 1601 carries forward existing guidance on the preparation of consolidated financial statements, other than non-controlling interests.


3. OTHER LONG-TERM ASSETS

                                                      Jun 30         Dec 31
                                                        2010           2009
----------------------------------------------------------------------------
Risk management (note 11)                           $    122       $      -
Other                                                     34             18
----------------------------------------------------------------------------
                                                         156             18
Less: current portion                                    108              -
----------------------------------------------------------------------------
                                                    $     48       $     18
----------------------------------------------------------------------------
----------------------------------------------------------------------------


4. LONG-TERM DEBT

                                                      Jun 30         Dec 31
                                                        2010           2009
----------------------------------------------------------------------------
Canadian dollar denominated debt
Bank credit facilities (bankers' acceptances)       $  1,154       $  1,897
Medium-term notes                                      1,200          1,200
----------------------------------------------------------------------------
                                                       2,354          3,097
----------------------------------------------------------------------------
US dollar denominated debt
US dollar bank credit facilities (bankers'
 acceptances) (2010 - US$300 million; 2009
 - US$nil)                                               318              -
US dollar debt securities (2010 and 2009 - US$6,300
 million)                                              6,682          6,594
Less: original issue discount on US dollar debt
 securities (1)                                          (21)           (22)
----------------------------------------------------------------------------
                                                       6,979          6,572
Fair value of interest rate swaps on US dollar debt
 securities (2)                                           49             38
----------------------------------------------------------------------------
                                                       7,028          6,610
----------------------------------------------------------------------------
Long-term debt before transaction costs                9,382          9,707
Less: transaction costs (1) (3)                          (47)           (49)
----------------------------------------------------------------------------
                                                    $  9,335       $  9,658
----------------------------------------------------------------------------
----------------------------------------------------------------------------
(1) The Company has included unamortized original issue discounts and
    directly attributable transaction costs in the carrying value of the
    outstanding debt.
(2) The carrying values of US$350 million of 5.45% notes due October 2012
    and US$350 million of 4.90% notes due December 2014 have been adjusted
    by $49 million (2009 - $38 million) to reflect the fair value impact of
    hedge accounting.
(3) Transaction costs primarily represent underwriting commissions charged
    as a percentage of the related debt offerings, as well as legal, rating
    agency and other professional fees.

Bank credit facilities

As at June 30, 2010, the Company had in place unsecured bank credit facilities of $3,954 million, comprised of:

- a $200 million demand credit facility;

- a revolving syndicated credit facility of $2,230 million maturing June 2012;

- a revolving syndicated credit facility of $1,500 million maturing June 2012; and

- a Pounds Sterling 15 million demand credit facility related to the Company's North Sea operations.

The revolving syndicated credit facilities are extendible annually for one year periods at the mutual agreement of the Company and the lenders. If the facilities are not extended, the full amount of the outstanding principal would be repayable on the maturity date. Borrowings under these facilities can be made by way of Canadian dollar and US dollar bankers' acceptances, and LIBOR, US base rate and Canadian prime loans.

The Company's weighted average interest rate on bank credit facilities outstanding as at June 30, 2010 was 1.1% (December 31, 2009 - 0.8%), and on total long-term debt outstanding for the three months ended June 30, 2010 was 4.8% (December 31, 2009 - 4.5%).

In addition to the outstanding debt, letters of credit and financial guarantees aggregating $378 million, including $300 million related to Horizon, were outstanding at June 30, 2010.

Medium-term notes

The Company filed a $3,000 million base shelf prospectus in October 2009 that allows for the issue of medium-term notes in Canada until November 2011. If issued, these securities will bear interest as determined at the date of issuance.

US dollar debt securities

The Company filed a US$3,000 million base shelf prospectus in October 2009 that allows for the issue of US dollar debt securities in the United States until November 2011. If issued, these securities will bear interest as determined at the date of issuance.


5. OTHER LONG-TERM LIABILITIES

                                                      Jun 30         Dec 31
                                                        2010           2009
----------------------------------------------------------------------------
Asset retirement obligations                        $  1,631       $  1,610
Stock-based compensation                                 197            392
Risk management (note 11)                                  -            309
Other                                                    111            180
----------------------------------------------------------------------------
                                                       1,939          2,491
Less: current portion                                    186            643
----------------------------------------------------------------------------
                                                    $  1,753       $  1,848
----------------------------------------------------------------------------
----------------------------------------------------------------------------

Asset retirement obligations

At June 30, 2010, the Company's total estimated undiscounted costs to settle its asset retirement obligations were approximately $6,745 million (December 31, 2009 - $6,606 million). These costs will be incurred over the lives of the operating assets and have been discounted using a weighted average credit-adjusted risk-free rate of 6.8% (December 31, 2009 - 6.9%). A reconciliation of the discounted asset retirement obligations is as follows:


                                                  Six Months           Year
                                                       Ended          Ended
                                                Jun 30, 2010   Dec 31, 2009
----------------------------------------------------------------------------
Balance - beginning of period                 $        1,610  $       1,064
 Liabilities incurred (1)                                  6            299
 Liabilities acquired                                      8              -
 Liabilities settled                                     (54)           (48)
 Asset retirement obligation accretion                    52             90
 Revision of estimates                                     -            276
 Foreign exchange                                          9            (71)
----------------------------------------------------------------------------
Balance - end of period                       $        1,631  $       1,610
----------------------------------------------------------------------------
----------------------------------------------------------------------------
(1) During 2009, the Company recognized additional asset retirement
    obligations related to Oil Sands Mining and Upgrading and Gabon,
    Offshore West Africa.

Stock-based compensation

The Company recognizes a liability for the potential cash settlements under its Stock Option Plan. The current portion represents the maximum amount of the liability payable within the next twelve-month period if all vested options are surrendered for cash settlement.


                                                  Six Months           Year
                                                       Ended          Ended
                                                Jun 30, 2010   Dec 31, 2009
----------------------------------------------------------------------------
Balance - beginning of period                         $  392          $ 171
 Stock-based compensation (recovery) expense             (60)           355
 Cash payments for options surrendered                   (38)           (94)
 Transferred to common shares                            (98)           (42)
 Capitalized to Oil Sands Mining and
  Upgrading                                                1              2
----------------------------------------------------------------------------
Balance - end of period                                  197            392
Less: current portion                                    161            365
----------------------------------------------------------------------------
                                                      $   36          $  27
----------------------------------------------------------------------------
----------------------------------------------------------------------------

6. INCOME TAXES

The provision for income taxes is as follows:

                                     Three Months Ended    Six Months Ended
                                       Jun 30    Jun 30    Jun 30    Jun 30
                                         2010      2009      2010      2009
----------------------------------------------------------------------------
Current income tax - North
 America(1)                          $    139  $      5  $    268  $     10
Current income tax - North Sea             43        65        96       163
Current income tax - Offshore West
 Africa                                     9        17        15        31
----------------------------------------------------------------------------
Current income tax expense                191        87       379       204
Future income tax expense (recovery)       71      (201)      266      (257)
----------------------------------------------------------------------------
Income tax expense (recovery)        $    262  $   (114) $    645  $    (53)
----------------------------------------------------------------------------
----------------------------------------------------------------------------
(1) Includes North America Conventional Crude Oil and Natural Gas,
    Midstream, and Oil Sands Mining and Upgrading segments.

Taxable income from the conventional crude oil and natural gas business in Canada is primarily generated through partnerships, with the related income taxes payable in subsequent periods. North America current income taxes have been provided on the basis of this corporate structure. In addition, current income taxes in each business segment will vary depending upon available income tax deductions related to the nature, timing and amount of capital expenditures incurred in any particular year.

Future income tax expense in the first quarter of 2010 included a charge of $83 million related to the proposed change in Canada to the taxation of stock options surrendered by employees for cash. During the first quarter of 2009, substantively enacted or enacted income tax rate changes resulted in a reduction of future income tax liabilities of $19 million in British Columbia.

The Company is subject to income tax reassessments arising in the normal course. The Company does not believe that any liabilities ultimately arising from these reassessments will be material.


7. SHARE CAPITAL

                                            Six Months Ended Jun 30, 2010
Issued                                      Number of shares
Common shares                                 (thousands) (1)        Amount
----------------------------------------------------------------------------
Balance - beginning of period                      1,084,654       $  2,834
 Issued upon exercise of stock options                 4,598             74
 Previously recognized liability on stock
  options exercised                                        -             98
 Cancellation of common shares                           (14)             -
----------------------------------------------------------------------------
Balance - end of period                            1,089,238       $  3,006
----------------------------------------------------------------------------
(1) Restated to reflect two-for-one common share split in May 2010.

Dividend policy

On March 3, 2010, the Board of Directors set the regular quarterly dividend at $0.075 per common share. The Company has paid regular quarterly dividends in January, April, July, and October of each year since 2001. The dividend policy undergoes a periodic review by the Board of Directors and is subject to change.

Normal Course Issuer Bid

In 2010, the Company announced a Normal Course Issuer Bid to purchase, through the facilities of the Toronto Stock Exchange and the New York Stock Exchange, during the 12 month period commencing April 6, 2010 and ending April 5, 2011, up to 27,163,940 common shares or 2.5% of the common shares of the Company outstanding at March 17, 2010. As at June 30, 2010, no common shares had been purchased for cancellation.

Share split

The Company's shareholders passed a Special Resolution subdividing the common shares of the Company on a two-for-one basis at the Company's Annual and Special Meeting held on May 6, 2010 with such subdivision taking effect on May 21, 2010. All common share, per common share, and stock option amounts have been restated to reflect the share split.


                                          Six Months Ended Jun 30, 2010
                                      Stock options        Weighted average
Stock options                        (thousands) (1)      exercise price (1)
----------------------------------------------------------------------------
Outstanding - beginning of period            64,211   $               29.27
 Granted                                      1,677   $               37.15
 Surrendered for cash settlement             (2,162)  $               19.03
 Exercised for common shares                 (4,598)  $               16.16
 Forfeited                                   (1,374)  $               32.33
----------------------------------------------------------------------------
Outstanding - end of period                  57,754   $               30.85
----------------------------------------------------------------------------
Exercisable - end of period                  19,064   $               29.89
----------------------------------------------------------------------------
----------------------------------------------------------------------------
(1) Restated to reflect two-for-one common share split in May 2010.


8. ACCUMULATED OTHER COMPREHENSIVE (LOSS) INCOME

The components of accumulated other comprehensive (loss) income, net of
taxes, were as follows:

                                                     June 30        June 30
                                                        2010           2009
----------------------------------------------------------------------------
Derivative financial instruments designated as
 cash flow hedges                                  $     157      $      81
Foreign currency translation adjustment                 (170)            (6)
----------------------------------------------------------------------------
                                                   $     (13)     $      75
----------------------------------------------------------------------------
----------------------------------------------------------------------------

9. CAPITAL DISCLOSURES

The Company does not have any externally imposed regulatory capital requirements for managing capital. The Company has defined its capital to mean its long-term debt and consolidated shareholders' equity, as determined each reporting date.

The Company's objectives when managing its capital structure are to maintain financial flexibility and balance to enable the Company to access capital markets to sustain its on-going operations and to support its growth strategies. The Company primarily monitors capital on the basis of an internally derived non-GAAP financial measure referred to as its "debt to book capitalization ratio", which is the arithmetic ratio of current and long-term debt divided by the sum of the carrying value of shareholders' equity plus current and long-term debt. The Company's internal targeted range for its debt to book capitalization ratio is 35% to 45%. This range may be exceeded in periods when a combination of capital projects, acquisitions, and lower commodity prices occurs. The Company may be below the low end of the targeted range when cash flow from operating activities is greater than current investment activities. The ratio is currently at 31%.

Readers are cautioned that the debt to book capitalization ratio is not defined by GAAP and this financial measure may not be comparable to similar measures presented by other companies. Further, there are no assurances that the Company will continue to use this measure to monitor capital or will not alter the method of calculation of this measure in the future.


                                                     June 30         Dec 31
                                                        2010           2009
----------------------------------------------------------------------------
Long-term debt                                     $   9,335       $  9,658
Total shareholders' equity                         $  21,059       $ 19,426
Debt to book capitalization                               31%            33%
----------------------------------------------------------------------------
----------------------------------------------------------------------------


10. NET EARNINGS PER COMMON SHARE

                                   Three Months Ended      Six Months Ended
                                   Jun 30      Jun 30     Jun 30     Jun 30
                                     2010     2009 (1)      2010    2009 (1)
----------------------------------------------------------------------------
Weighted average common shares
 outstanding (thousands) -
 basic and diluted              1,088,751   1,083,996  1,087,179  1,083,253
----------------------------------------------------------------------------
Net earnings - basic and
 diluted                       $      667 $       162 $    1,533 $      467
----------------------------------------------------------------------------
Net earnings per common share -
 basic and diluted             $     0.61 $      0.15 $     1.41 $     0.43
----------------------------------------------------------------------------
----------------------------------------------------------------------------
(1) Restated to reflect two-for-one common share split in May 2010.


11. FINANCIAL INSTRUMENTS

The carrying values of the Company's financial instruments by category are
as follows:

                         ---------------------------------------------------
                                            Jun 30, 2010
----------------------------------------------------------------------------
                                  Loans and     Held for    Other financial
                             receivables at   trading at     liabilities at
Asset (liability)            amortized cost   fair value     amortized cost
----------------------------------------------------------------------------
Cash and cash equivalents    $            -    $      19     $            -
Accounts receivable                   1,363            -                  -
Other long-term assets                    -          122                  -
Accounts payable                          -            -               (295)
Accrued liabilities                       -            -             (1,842)
Other long-term
 liabilities                              -            -               (100)
Long-term debt                            -            -             (9,335)
----------------------------------------------------------------------------
                             $        1,363    $     141     $      (11,572)
----------------------------------------------------------------------------
----------------------------------------------------------------------------


                             -----------------------------------------------
                                            Dec 31, 2009
----------------------------------------------------------------------------
                                  Loans and     Held for    Other financial
                             receivables at   trading at     liabilities at
Asset (liability)            amortized cost   fair value     amortized cost
----------------------------------------------------------------------------
Cash and cash equivalents    $            -    $      13     $            -
Accounts receivable                   1,148            -                  -
Other long-term assets                    -            -                  -
Accounts payable                          -            -               (240)
Accrued liabilities                       -            -             (1,522)
Other long-term
 liabilities                              -         (309)              (167)
Long-term debt                            -            -             (9,658)
----------------------------------------------------------------------------
                             $        1,148    $    (296)    $      (11,587)
----------------------------------------------------------------------------
----------------------------------------------------------------------------

The carrying value of the Company's financial instruments approximates their fair value, except for fixed-rate long-term debt as noted below. The fair values of the Company's financial assets and liabilities are outlined below:


                                              Jun 30, 2010
                               ---------------------------------------------
                               Carrying value               Fair value
----------------------------------------------------------------------------
Asset (liability) (1)                                Level 1        Level 2
----------------------------------------------------------------------------
Other long-term assets               $    122      $       -      $     122
Other long-term liabilities                 -              -              -
Fixed-rate long-term debt(2)(3)        (7,863)        (8,549)             -
----------------------------------------------------------------------------
                                     $ (7,741)     $  (8,549)     $     122
----------------------------------------------------------------------------
----------------------------------------------------------------------------



                                                Dec 31, 2009
----------------------------------------------------------------------------
                               Carrying value              Fair value
----------------------------------------------------------------------------
Asset (liability) (1)                                Level 1        Level 2
----------------------------------------------------------------------------
Other long-term assets               $      -      $       -      $       -
Other long-term liabilities              (309)             -           (309)
Fixed-rate long-term debt(2)(3)        (7,761)        (8,212)             -
----------------------------------------------------------------------------
                                     $ (8,070)     $  (8,212)     $    (309)
----------------------------------------------------------------------------
----------------------------------------------------------------------------
(1) Excludes financial assets and liabilities where book value approximates
    fair value due to the liquid nature of the asset or liability (cash and
    cash equivalents, accounts receivable, accounts payable and accrued
    liabilities).
(2) The carrying values of US$350 million of 5.45% notes due October 2012
    and US$350 million of 4.90% notes due December 2014 have been adjusted
    by $49 million (2009 - $38 million) to reflect the fair value impact of
    hedge accounting.
(3) The fair value of fixed-rate long-term debt has been determined based on
    quoted market prices.

Risk management

The Company uses derivative financial instruments to manage its commodity price, foreign currency and interest rate exposures. These financial instruments are entered into solely for hedging purposes and are not used for speculative purposes.

The estimated fair value of derivative financial instruments has been determined based on appropriate internal valuation methodologies. Fair values determined using valuation models require the use of assumptions concerning the amount and timing of future cash flows and discount rates. In determining these assumptions, the Company primarily relied on external, readily-observable market inputs including quoted commodity prices and volatility, interest rate yield curves, and foreign exchange rates. The resulting fair value estimates may not necessarily be indicative of the amounts that could be realized or settled in a current market transaction and these differences may be material.

The changes in estimated fair values of derivative financial instruments included in the risk management asset (liability) were recognized in the financial statements as follows:


                                            Six Months Ended     Year Ended
                                                Jun 30, 2010   Dec 31, 2009
----------------------------------------------------------------------------
                                                        Risk           Risk
                                                  management     management
Asset (liability)                             mark-to-market mark-to-market
----------------------------------------------------------------------------
Balance - beginning of period             $             (309) $       2,119
Net change in fair value of outstanding
 derivative financial
 instruments attributable to:
 - Risk management activities                            290         (1,991)
 - Interest expense                                       13            (25)
 - Foreign exchange                                       36           (338)
 - Other comprehensive income                             92            (78)
 - Settlement of interest rate swaps and
    other                                                  -              4
----------------------------------------------------------------------------
Balance - end of period                                  122           (309)
Less: current portion                                    108           (182)
----------------------------------------------------------------------------
                                          $               14  $        (127)
----------------------------------------------------------------------------
----------------------------------------------------------------------------


Net (gains) losses from risk management activities were as follows:

                                     Three Months Ended    Six Months Ended
                                       Jun 30    Jun 30    Jun 30    Jun 30
                                         2010      2009      2010      2009
----------------------------------------------------------------------------
Net realized risk management gain    $    (91) $   (290) $    (52) $   (931)
Net unrealized risk management
 (gain) loss                              (82)      946      (290)    1,409
----------------------------------------------------------------------------
                                     $   (173) $    656  $   (342) $    478
----------------------------------------------------------------------------
----------------------------------------------------------------------------

Financial risk factors

a) Market risk

Market risk is the risk that the fair value or future cash flows of a financial instrument will fluctuate because of changes in market prices. The Company's market risk is comprised of commodity price risk, interest rate risk, and foreign currency exchange risk.

Commodity price risk management

The Company uses commodity derivative financial instruments to manage its exposure to commodity price risk associated with the sale of its future crude oil and natural gas production and with natural gas purchases. At June 30, 2010, the Company had the following net derivative financial instruments outstanding:


i) Sales Contracts

                  Remaining term       Volume  Weighted average price Index
----------------------------------------------------------------------------
Crude oil
Crude oil
 price
 collars     Jul 2010 - Sep 2010 50,000 bbl/d    US$65.00 - US$105.49   WTI
             Jul 2010 - Dec 2010 50,000 bbl/d     US$60.00 - US$75.08   WTI
             Jul 2010 - Dec 2010 50,000 bbl/d    US$65.00 - US$108.94   WTI
             Oct 2010 - Dec 2010 50,000 bbl/d    US$70.00 - US$105.81   WTI
----------------------------------------------------------------------------
----------------------------------------------------------------------------


                  Remaining term       Volume Weighted average price  Index
----------------------------------------------------------------------------
Natural gas
Natural gas
 price
 collars     Jul 2010 - Sep 2010 400,000 GJ/d        C$4.50 - C$6.30   AECO
             Jul 2010 - Dec 2010 220,000 GJ/d        C$6.00 - C$8.00   AECO
----------------------------------------------------------------------------
----------------------------------------------------------------------------


ii) Purchase Contracts

                                                    Weighted
                                                     average
                      Remaining term       Volume fixed rate Floating index
----------------------------------------------------------------------------
Natural gas
Swaps - floating
 to fixed        Jan 2011 - Dec 2011 125,000 GJ/d     C$4.87           AECO
----------------------------------------------------------------------------
----------------------------------------------------------------------------

The Company's outstanding commodity derivative financial instruments are expected to be settled monthly based on the applicable index pricing for the respective contract month.

All commodity derivative financial instruments designated as hedges at June 30, 2010 were classified as cash flow hedges.

Interest rate risk management

The Company is exposed to interest rate price risk on its fixed rate long-term debt and to interest rate cash flow risk on its floating rate long-term debt. The Company enters into interest rate swap contracts to manage its fixed to floating interest rate mix on long-term debt. The interest rate swap contracts require the periodic exchange of payments without the exchange of the notional principal amounts on which the payments are based. At June 30, 2010, the Company had the following interest rate swap contracts outstanding:


                                          Amount    Fixed          Floating
                     Remaining term  ($ millions)    rate              rate
----------------------------------------------------------------------------
Interest rate
Swaps - fixed
 to floating    Jul 2010 - Dec 2014       US$350     4.90% LIBOR (1) + 0.38%

Swaps -
 floating to
 fixed          Jul 2010 - Feb 2011        C$300   1.0680%  3 month CDOR (2)
                Jul 2010 - Feb 2012        C$200   1.4475%  3 month CDOR (2)
----------------------------------------------------------------------------
----------------------------------------------------------------------------
(1) London Interbank Offered Rate
(2) Canadian Dealer Offered Rate

All fixed to floating interest rate related derivative financial instruments designated as hedges at June 30, 2010 were classified as fair value hedges.

Foreign currency exchange rate risk management

The Company is exposed to foreign currency exchange rate risk in Canada primarily related to its US dollar denominated long-term debt and working capital. The Company is also exposed to foreign currency exchange rate risk on transactions conducted in other currencies in its subsidiaries and in the carrying value of its self-sustaining foreign subsidiaries. The Company periodically enters into cross currency swap contracts and foreign currency forward contracts to manage known currency exposure on US dollar denominated long-term debt and working capital. The cross currency swap contracts require the periodic exchange of payments with the exchange at maturity of notional principal amounts on which the payments are based. At June 30, 2010, the Company had the following cross currency swap contracts outstanding:


                                                Exchange Interest  Interest
                                        Amount      rate     rate      rate
                    Remaining term ($ millions)  (US$/C$)    (US$)      (C$)
----------------------------------------------------------------------------
Cross currency
Swaps          Jul 2010 - Jul 2011      US$100     0.999     6.70%     7.64%
               Jul 2010 - Aug 2016      US$250     1.116     6.00%     5.40%
               Jul 2010 - May 2017    US$1,100     1.170     5.70%     5.10%
               Jul 2010 - Mar 2038      US$550     1.170     6.25%     5.76%
----------------------------------------------------------------------------
----------------------------------------------------------------------------

All cross currency swap derivative financial instruments designated as hedges at June 30, 2010 were classified as cash flow hedges.

In addition to the cross currency swap contracts noted above, at June 30, 2010, the Company had US$1,492 million of foreign currency forward contracts outstanding, with original terms ranging from approximately 30 days to 90 days.

Financial instrument sensitivities

The following table summarizes the annualized sensitivities of the Company's net earnings and other comprehensive income to changes in the fair value of financial instruments outstanding as at June 30, 2010 resulting from changes in the specified variable, with all other variables held constant. These sensitivities are prepared on a different basis than those sensitivities disclosed in the Company's other continuous disclosure documents and do not represent the impact of a change in the variable on the operating results of the Company taken as a whole. Further, these sensitivities are theoretical, as changes in one variable may contribute to changes in another variable, which may magnify or counteract the sensitivities. In addition, changes in fair value generally can not be extrapolated because the relationship of a change in an assumption to the change in fair value may not be linear.


                                                            Impact on other
                                           Impact on net      comprehensive
                                                earnings             income
----------------------------------------------------------------------------
Commodity price risk
 Increase WTI US$1.00/bbl                $            (7) $               -
 Decrease WTI US$1.00/bbl                $             7  $               -
 Increase AECO C$0.10/mcf                $            (5) $               3
 Decrease AECO C$0.10/mcf                $             5  $              (3)
Interest rate risk
 Increase interest rate 1%               $            (9) $              (2)
 Decrease interest rate 1%               $             8  $               1
Foreign currency exchange rate risk
 Increase exchange rate by US$0.01       $           (27) $               -
 Decrease exchange rate by US$0.01       $            27  $               -
----------------------------------------------------------------------------
----------------------------------------------------------------------------

b) Credit risk

Credit risk is the risk that a party to a financial instrument will cause a financial loss to the Company by failing to discharge an obligation.

Counterparty credit risk management

The Company's accounts receivable are mainly with customers in the crude oil and natural gas industry and are subject to normal industry credit risks. The Company manages these risks by reviewing its exposure to individual companies on a regular basis and where appropriate, ensures that parental guarantees or letters of credit are in place to minimize the impact in the event of default. At June 30, 2010, substantially all of the Company's accounts receivable were due within normal trade terms.

The Company is also exposed to possible losses in the event of non-performance by counterparties to derivative financial instruments; however, the Company manages this credit risk by entering into agreements with counterparties that are substantially all investment grade financial institutions and other entities. At June 30, 2010, the Company had net risk management assets of $141 million with specific counterparties related to derivative financial instruments (December 31, 2009 - $7 million).

c) Liquidity risk

Liquidity risk is the risk that the Company will encounter difficulty in meeting obligations associated with financial liabilities.

Management of liquidity risk requires the Company to maintain sufficient cash and cash equivalents, along with other sources of capital, consisting primarily of cash flow from operating activities, available credit facilities, and access to debt capital markets, to meet obligations as they become due. Due to fluctuations in the timing of the receipt and/or disbursement of operating cash flows, the Company believes it has adequate bank credit facilities to provide liquidity.

The maturity dates for financial liabilities are as follows:


                                        1 to less    2 to less
                           Less than         than         than
                              1 year      2 years      5 years   Thereafter
----------------------------------------------------------------------------
Accounts payable         $       295 $          - $          - $          -
Accrued liabilities      $     1,842 $          - $          - $          -
Other long-term
 liabilities             $        26 $         28 $         46 $          -
Long-term debt (1)       $       400 $        424 $      1,967 $      5,091
----------------------------------------------------------------------------
----------------------------------------------------------------------------
(1) The long-term debt represents principal repayments only and does not
    reflect fair value adjustments, original issue discounts or transaction
    costs. No debt repayments are reflected for $1,472 million of revolving
    bank credit facilities due to the extendable nature of the facilities.


12. COMMITMENTS

As at June 30, 2010, the Company had committed to certain payments as
follows:

                         Remaining
                              2010   2011   2012   2013   2014   Thereafter
----------------------------------------------------------------------------
Product transportation
 and pipeline          $       121 $  207 $  176 $  150 $  149 $      1,088
Offshore equipment
 operating leases      $        90 $  127 $  104 $  103 $  102 $        265
Offshore drilling      $        34 $    - $    - $    - $    - $          -
Asset retirement
 obligations (1)       $         8 $   20 $   21 $   31 $   39 $      6,626
Office leases          $        12 $   20 $    3 $    3 $    3 $          4
Other                  $       145 $   66 $   24 $   14 $   12 $         36
----------------------------------------------------------------------------
----------------------------------------------------------------------------
(1) Amounts represent management's estimate of the future undiscounted
    payments to settle asset retirement obligations related to resource
    properties, facilities, and production platforms, based on current
    legislation and industry operating practices. Amounts disclosed for the
    period 2010 - 2014 represent the estimated minimum expenditures required
    to meet these obligations. Actual expenditures in any particular year
    may exceed these minimum amounts.


13. SEGMENTED INFORMATION

Conventional Crude Oil and Natural Gas

                                  North America               North Sea

                              Three            Six       Three          Six
                             Months         Months      Months       Months
(millions of Canadian         Ended          Ended       Ended        Ended
 dollars, unaudited)         Jun 30         Jun 30      Jun 30       Jun 30
----------------------------------------------------------------------------
                        2010   2009   2010    2009  2010  2009  2010   2009
----------------------------------------------------------------------------
Segmented revenue      2,490  2,000  4,976   3,847   245   271   531    446
Less: royalties         (290)  (192)  (614)   (385)    -    (1)   (1)    (1)
----------------------------------------------------------------------------
Segmented revenue, net
 of royalties          2,200  1,808  4,362   3,462   245   270   530    445
----------------------------------------------------------------------------
Segmented expenses
Production               410    445    837     921    67   113   157    183
Transportation and
 blending                554    304    961     630     2     2     5      5
Depletion, depreciation
 and amortization        586    514  1,143   1,061    69    79   152    143
Asset retirement
 obligation accretion     11     11     22      20     8     6    16     13
Realized risk management
 activities              (91)  (188)   (52)   (672)    -  (102)    -   (259)
----------------------------------------------------------------------------
Total segmented
 expenses              1,470  1,086  2,911   1,960   146    98   330     85
----------------------------------------------------------------------------
Segmented earnings
 before the following    730    722  1,451   1,502    99   172   200    360
----------------------------------------------------------------------------
Non-segmented expenses
Administration
Stock-based compensation
 (recovery) expense
Interest, net
Unrealized risk
 management activities
Foreign exchange loss
 (gain)
----------------------------------------------------------------------------
Total non-segmented
 expenses
----------------------------------------------------------------------------
Earnings before taxes
Taxes other than income
 tax
Current income tax expense
Future income tax expense
 (recovery)
----------------------------------------------------------------------------
Net earnings
----------------------------------------------------------------------------
----------------------------------------------------------------------------


                              Offshore West Africa       Total Conventional

                              Three            Six       Three          Six
                             Months         Months      Months       Months
(millions of Canadian         Ended          Ended       Ended        Ended
 dollars, unaudited)         Jun 30         Jun 30      Jun 30       Jun 30
----------------------------------------------------------------------------
                        2010   2009   2010    2009  2010  2009  2010   2009
----------------------------------------------------------------------------
Segmented revenue        177    182    333     383 2,912 2,453 5,840  4,676
Less: royalties          (10)   (16)   (15)    (30) (300) (209) (630)  (416)
----------------------------------------------------------------------------
Segmented revenue, net
 of royalties            167    166    318     353 2,612 2,244 5,210  4,260
----------------------------------------------------------------------------
Segmented expenses
Production                41     30     69      73   518   588 1,063  1,177
Transportation and
 blending                  -      -      -       -   556   306   966    635
Depletion, depreciation
 and amortization         85     38    124      88   740   631 1,419  1,292
Asset retirement
 obligation accretion      2      1      3       2    21    18    41     35
Realized risk management
 activities                -      -      -       -   (91) (290)  (52)  (931)
----------------------------------------------------------------------------
Total segmented
 expenses                128     69    196     163 1,744 1,253 3,437  2,208
----------------------------------------------------------------------------
Segmented earnings before
 the following            39     97    122     190   868   991 1,773  2,052
Non-segmented expenses
Administration
Stock-based compensation
 (recovery) expense
Interest, net
Unrealized risk management
 activities
Foreign exchange loss
 (gain)
----------------------------------------------------------------------------
Total non-segmented
 expenses
----------------------------------------------------------------------------
Earnings before taxes
Taxes other than income
 tax
Current income tax
 expense
Future income tax expense
 (recovery)
----------------------------------------------------------------------------
Net earnings
----------------------------------------------------------------------------
----------------------------------------------------------------------------


                    Oil Sands Mining and Upgrading           Midstream

                              Three            Six       Three          Six
                             Months         Months      Months       Months
(millions of Canadian         Ended          Ended       Ended        Ended
 dollars, unaudited)         Jun 30         Jun 30      Jun 30       Jun 30
----------------------------------------------------------------------------
                        2010   2009   2010    2009  2010  2009  2010   2009
----------------------------------------------------------------------------
Segmented revenue        698    292  1,345     292    21    17    40     36
Less: royalties          (24)    (3)   (47)     (3)    -     -     -      -
----------------------------------------------------------------------------
Segmented revenue, net
 of royalties            674    289  1,298     289    21    17    40     36
----------------------------------------------------------------------------
Segmented expenses
Production               290    182    636     182     7     5    12     10
Transportation and
 blending                 16     14     31      14     -     -     -      -
Depletion, depreciation
 and amortization         94     36    184      38     2     2     4      4
Asset retirement
 obligation accretion      5      6     11       8     -     -     -      -
Realized risk management
 activities                -      -      -       -     -     -     -      -
----------------------------------------------------------------------------
Total segmented
 expenses                405    238    862     242     9     7    16     14
----------------------------------------------------------------------------
Segmented earnings
 before the following    269     51    436      47    12    10    24     22
----------------------------------------------------------------------------
Non-segmented expenses
Administration
Stock-based compensation
 (recovery) expense
Interest, net
Unrealized risk
 management activities
Foreign exchange loss
 (gain)
----------------------------------------------------------------------------
Total non-segmented
 expenses
----------------------------------------------------------------------------
Earnings before taxes
Taxes other than income
 tax
Current income tax
 expense
Future income tax
 expense (recovery)
----------------------------------------------------------------------------
Net earnings
----------------------------------------------------------------------------
----------------------------------------------------------------------------


               Inter-segment elimination and other             Total

                             Three           Six        Three           Six
                            Months        Months       Months        Months
(millions of Canadian        Ended         Ended        Ended         Ended
 dollars, unaudited)        Jun 30        Jun 30       Jun 30        Jun 30
----------------------------------------------------------------------------
                        2010  2009  2010    2009   2010  2009   2010   2009
----------------------------------------------------------------------------
Segmented revenue        (17)  (12)  (31)    (68) 3,614 2,750  7,194  4,936
Less: royalties            -     -     -       8   (324) (212)  (677)  (411)
----------------------------------------------------------------------------
Segmented revenue, net
 of royalties            (17)  (12)  (31)    (60) 3,290 2,538  6,517  4,525
----------------------------------------------------------------------------
Segmented expenses
Production                (3)   (2)   (5)    (14)   812   773  1,706  1,355
Transportation and
 blending                (13)  (11)  (24)    (23)   559   309    973    626
Depletion, depreciation
 and amortization          -    (5)    -     (24)   836   664  1,607  1,310
Asset retirement
 obligation accretion      -     -     -       -     26    24     52     43
Realized risk management
 activities                -     -     -       -    (91) (290)   (52)  (931)
----------------------------------------------------------------------------
Total segmented
 expenses                (16)  (18)  (29)    (61) 2,142 1,480  4,286  2,403
----------------------------------------------------------------------------
Segmented earnings
 before the following     (1)    6    (2)      1  1,148 1,058  2,231  2,122
----------------------------------------------------------------------------
Non-segmented expenses
Administration                                       60    47    114     94
Stock-based compensation
 (recovery) expense                                 (58)   92    (60)    96
Interest, net                                       109   124    220    181
Unrealized risk management
 activities                                         (82)  946   (290) 1,409
Foreign exchange loss (gain)                        156  (246)    (4)  (123)
----------------------------------------------------------------------------
Total non-segmented
 expenses                                           185   963    (20) 1,657
----------------------------------------------------------------------------
Earnings before taxes                               963    95  2,251    465
Taxes other than income tax                          34    47     73     51
Current income tax expense                          191    87    379    204
Future income tax expense
 (recovery)                                          71  (201)   266   (257)
----------------------------------------------------------------------------
Net earnings                                        667   162  1,533    467
----------------------------------------------------------------------------
----------------------------------------------------------------------------

Net additions to property, plant and equipment

                                                       Six Months Ended
                                                           Jun 30, 2010
                                                          Non
                                                    Cash/Fair
                                            Net         Value   Capitalized
                                   Expenditures    Changes (1)        Costs
----------------------------------------------------------------------------
North America                      $      2,159 $          14   $     2,173
North Sea                                    52             -            52
Offshore West Africa                        149            (2)          147
Other                                         1             -             1
Oil Sands Mining
 and Upgrading (2)                          220             6           226
Midstream                                     1             -             1
Head office                                   9             -             9
----------------------------------------------------------------------------
                                   $      2,591 $          18   $     2,609
----------------------------------------------------------------------------
----------------------------------------------------------------------------

                                                       Six Months Ended
                                                           Jun 30, 2009
                                                        Non
                                                  Cash/Fair
                                          Net         Value     Capitalized
                                 Expenditures    Changes (1)          Costs
----------------------------------------------------------------------------
North America                    $        869 $          (4)  $         865
North Sea                                  82             -              82
Offshore West Africa                      356            50             406
Other                                       -             -               -
Oil Sands Mining
 and Upgrading (2)                        391           275             666
Midstream                                   5             -               5
Head office                                 7             -               7
----------------------------------------------------------------------------
                                 $      1,710 $         321   $       2,031
----------------------------------------------------------------------------
----------------------------------------------------------------------------
(1) Asset retirement obligations, future income tax adjustments related to
    differences between carrying value and tax value, and other fair value
    adjustments.
(2) Net expenditures for Oil Sands Mining and Upgrading assets also include
    capitalized interest, stock-based compensation, and the impact of inter-
    segment eliminations.

                                        Property, plant
                                          and equipment        Total assets
                                       Jun 30    Dec 31    Jun 30    Dec 31
                                         2010      2009      2010      2009
----------------------------------------------------------------------------
Segmented assets
North America                        $ 22,876  $ 21,834  $ 24,078  $ 22,994
North Sea                               1,708     1,812     1,850     1,968
Offshore West Africa                    1,897     1,883     2,097     2,033
Other                                      29        28        56        42
Oil Sands Mining and Upgrading         13,337    13,295    13,794    13,621
Midstream                                 200       203       320       306
Head office                                60        60        60        60
----------------------------------------------------------------------------
                                     $ 40,107  $ 39,115  $ 42,255  $ 41,024
----------------------------------------------------------------------------
----------------------------------------------------------------------------

Capitalized interest

The Company capitalizes construction period interest to Oil Sands Mining and Upgrading activities based on costs incurred and the Company's cost of borrowing. Interest capitalization on a particular development phase ceases once construction is substantially complete. For the six months ended June 30, 2010, pre-tax interest of $12 million was capitalized to Oil Sands Mining and Upgrading (June 30, 2009 - $92 million).

SUPPLEMENTARY INFORMATION

INTEREST COVERAGE RATIOS

The following financial ratios are provided in connection with the Company's continuous offering of medium-term notes pursuant to the short form prospectus dated October 2009. These ratios are based on the Company's interim consolidated financial statements that are prepared in accordance with accounting principles generally accepted in Canada.


Interest coverage ratios for the twelve month period ended June 30,
 2010:
----------------------------------------------------------------------------
Interest coverage (times)
 Net earnings (1)                                                       8.6x
 Cash flow from operations (2)                                         15.5x
----------------------------------------------------------------------------
----------------------------------------------------------------------------
(1) Net earnings plus income taxes and interest expense; divided by the sum
    of interest expense and capitalized interest.
(2) Cash flow from operations plus current income taxes and interest
    expense; divided by the sum of interest expense and capitalized
    interest.

CONFERENCE CALL

A conference call will be held at 9:00 a.m. Mountain Time, 11:00 a.m. Eastern Time on Thursday, August 5, 2010. The North American conference call number is 1-800-769-8320 and the outside North American conference call number is 001-416-695-6616. Please call in about 10 minutes before the starting time in order to be patched into the call. The conference call will also be broadcast live on the internet and may be accessed through the Canadian Natural website at www.cnrl.com.

A taped rebroadcast will be available until 6:00 p.m. Mountain Time, Thursday, August 12, 2010. To access the postview in North America, dial 1-800-408-3053. Those outside of North America, dial 001-416-695-5800. The passcode to use is 3858142.

WEBCAST

This call is being webcast and can be accessed on Canadian Natural's website at www.cnrl.com.

2010 THIRD QUARTER RESULTS

The 2010 third quarter results are scheduled for release on Thursday, November 4, 2010. A conference call is scheduled to be held the same day. Details can be found on our website www.cnrl.com.

Contacts: John G. Langille Vice-Chairman Steve W. Laut President Corey B. Bieber Vice-President, Finance & Investor Relations Canadian Natural Resources Limited 2500, 855 - 2nd Street S.W. Calgary, Alberta T2P 4J8 (403) 514-7777 (403) 514-7888 (FAX) ir@cnrl.com www.cnrl.com

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