Coeur Reports Strong Second Quarter Financial and Operating Results; Provides Positive Update to 2012 Guidance

Coeur d'Alene Mines Corporation (NYSE:CDE, TSX:CDM) produced 4.9 million ounces of silver and 63,047 ounces of gold during the second quarter, which resulted in $254.4 million in sales, $88.4 million in operating cash flow,1 and a $47.1 million increase in cash, cash equivalents and short-term investments to $200.3 million.

The Company expects to achieve the high-end of its 2012 silver and gold production guidance of 18.5 - 20.0 million silver ounces and 210,000 - 230,000 gold ounces. The Company also expects to achieve the low-end of its 2012 guidance for cash operating costs1 per silver ounce of $6.50 - $7.50.

Second Quarter Highlights

Silver production totaled 4.9 million ounces, equal to first quarter 2012 levels.
Gold production totaled 63,047 ounces, up 44% from the first quarter.
Net metal sales totaled $254.4 million, up 24% from the first quarter.
Operating cash flow1 totaled $88.4 million, down 6% from the first quarter. Including changes in working capital, net cash from operating activities totaled $113.2 million compared to $17.0 million in the first quarter.
Consolidated cash operating costs1 totaled $6.41 per silver ounce, up slightly from the first quarter.
Cash operating costs1 per gold ounce declined 50% from the first quarter to $1,348 and are expected to reach $900 by year-end.
Adjusted earnings1 totaled $28.0 million, or $0.31 per share, compared to $41.5 million, or $0.46 per share, in the first quarter. Net income totaled $23.0 million, or $0.26 per share, compared to $4.0 million, or $0.04 per share, in the first quarter.
Announced a share repurchase program of up to $100 million of the Company's common stock and finalized a $100 million, four-year revolving credit facility.
Cash, cash equivalents and short-term investments totaled $200.3 million as of June 30, 2012, $47.1 million higher than March 31, 2012.

“The Company is performing according to plan, which is leading to strong financial performance,” said Mitchell J. Krebs, Coeur's President and Chief Executive Officer. “The Board of Directors' authorization in June to repurchase up to $100 million of the Company's common stock reflects our confidence in the Company's underlying cash flow and the long-term value the Company represents for shareholders,” he said.

“Our Kensington gold mine in Alaska nearly tripled its production and cut its operating costs per ounce in half during the second quarter with the mine's return to full production, which represent key milestones for this important operation. We also saw higher silver and gold production levels and substantially lower costs at our Rochester mine in Nevada as a result of an expansion that took place in 2011. Our Palmarejo silver and gold mine in Mexico and our San Bartolomé silver mine in Bolivia both delivered consistent results during the second quarter. Despite industry-wide cost pressures, the Company delivered flat cash operating costs1 per ounce during the second quarter, due mostly to efficiency improvements achieved at its key operations,” Krebs said.

1. EBITDA, operating cash flow, adjusted earnings and cash operating costs are non-GAAP measures. Please see tables in the Appendix for reconciliation to U.S. GAAP. Total debt includes short and long-term indebtedness and excludes capital leases and royalty obligations.

Table 1: Financial Highlights (Unaudited)

US$ and silver ounces sold in millions (except per shareamounts, average realized prices, and gold ounces sold)

2Q 2012 2Q 2011

QuarterVariance

YTD 2012 YTD 2011

YTDVariance

Sales of Metal $ 254.4 $ 231.1 10 % $ 459.0 $ 430.7 7 % Production Costs 131.8 77.1 71 % 224.4 169.6 32 % EBITDA (1) 102.6 137.0 (25 %) 199.4 225.6 (12 %) Adjusted Earnings (1) 28.0 58.0 (52 %) 69.4 95.6 (27 %) Adjusted Earnings Per Share(1) $ 0.31 $ 0.65 (52 %) $ 0.77 $ 1.07 (28 %) Net Income 23.0 38.6 (40 %) 26.9 51.1 (47 %) Earning Per Share $ 0.26 $ 0.43 (40 %) $ 0.30 $ 0.57 (47 %) Operating Cash Flow (1) 88.4 115.8 (24 %) 182.2 206.0 (12 %) Capital Expenditures 32.2 25.8 25 % 63.9 41.7 53 % Cash, Cash Equivalents, and Short Term Investments 200.3 107.3 87 % 200.3 107.3 87 % Total Debt(1) 118.8 157.1 (24 %) 118.8 157.1 (24 %) Weighted Average Shares Issued & Outstanding 89.6 89.3 — % 89.6 89.3 — % Average Realized Price Per Ounce - Silver $ 29.28 $ 39.11 (25 %) $ 30.72 $ 35.42 (13 %) Average Realized Price Per Ounce - Gold $ 1,610 $ 1,504 7 % $ 1,646 $ 1,430 15 % Silver Ounces Sold 5.6 4.1 37 % 9.9 7.8 27 % Gold Ounces Sold 59,579 49,930 19 % 98,464 115,852 (15 %)

Net metal sales for the second quarter totaled $254.4 million, higher than both the second quarter of 2011 and the first quarter of 2012. This increase is due primarily to increased silver ounces sold year-over-year and higher gold production at Kensington and Rochester. Average realized prices per ounce of silver and gold were $29.28 and $1,610, respectively, in the second quarter, which were 25% lower and 7% higher, respectively, than the second quarter of 2011. Silver contributed 63.2% of the Company's total metal sales in the second quarter compared to 68.7% a year ago.

Prior to changes in working capital, Coeur generated $88.4 million in operating cash flow1 in the second quarter of 2012 compared to $115.8 million a year ago. After working capital changes, the Company generated net cash from operating activities of $113.2 million in the second quarter of 2012 compared to $111.1 million in the second quarter of 2011.

Consolidated cash operating costs1 totaled $6.35 per silver ounce for the first half of 2012 compared to $5.69 per silver ounce for the first half of 2011. These higher unit cash operating costs1 are due primarily increased costs of consumables at San Bartolomé in 2012, higher maintenance costs at Palmarejo, and higher costs at Rochester in 2012 due to the resumption of active mining late in 2011.

Coeur reports a non-U.S. GAAP metric of adjusted earnings1 as a measure of operating income, which excludes non-cash fair value adjustments, other non-cash adjustments, deferred taxes and discontinued operations. Second quarter 2012 adjusted earnings1 were $28.0 million, or $0.31 per share. On a U.S. GAAP basis, the Company realized net income of $23.0 million, or $0.26 per share, in the second quarter compared with net income of $38.6 million, or $0.43 per share, in the second quarter of 2011. The earnings reflect non-cash fair value adjustments that increased net income by $16.0 million and decreased net income by $12.4 million in the three months ended June 30, 2012 and 2011, respectively. These fair value adjustments are driven primarily by changing gold prices which impact the estimated future liabilities related to the Palmarejo gold production royalty obligation.

On June 7, 2012, Coeur announced a share repurchase program of up to $100 million of the Company's common stock. Since the end of the quarter, the Company has finalized a $100 million, four-year revolving credit facility and has provided notice to repay from existing cash the remaining outstanding $68.0 million balance of the Kensington term loan facility.

Table 2: Operational Highlights: Production

(silver ounces in thousands) 2Q 2012 2Q 2011 Quarter Variance YTD 2012 YTD 2011 YTD Variance Silver Gold Silver Gold Silver Gold Silver Gold Silver Gold Silver Gold Palmarejo 2,366 31,258 2,370 33,389 — % (6 %) 4,848 62,338 4,100 61,148 18 % 2 % San Bartolomé 1,470 — 1,742 — (16 %) n.a. 3,062 — 3,453 — (11 %) n.a. Rochester 713 10,120 333 1,397 114 % 624 % 1,154 15,412 677 2,848 70 % 441 % Martha 108 97 101 112 7 % (13 %) 231 181 281 356 (18 %) (49 %) Kensington — 21,572 — 25,758 n.a. (16 %) — 29,016 — 49,434 n.a. (41 %) Endeavor 240 — 215 — 12 %

n.a.

488 — 364 — 34 % n.a. Total 4,897 63,047 4,761 60,656 3 % 4 % 9,783 106,947 8,875 113,786 10 % (6 %)

Additional operating statistics are in the tables in the Appendix.

Table 3: Operational Highlights: Cash Operating Costs Per Ounce 1

2Q 2012 2Q 2011

QuarterVariance

YTD 2012 YTD 2011

YTDVariance

Palmarejo $ (0.85 ) $ (3.68 ) 77 % $ (1.58 ) $ (0.10 ) 1,480 % San Bartolomé 11.05 8.73 27 % 10.62 8.93 19 % Rochester 9.83 4.34 126 % 15.00 7.31 105 % Martha 55.07 38.79 42 % 50.50 29.60 71 % Endeavor 17.50 20.04 (13 %) 17.07 18.85 (9 %) Total $ 6.41 $ 3.39 89 % $ 6.35 $ 5.69 12 % Kensington $ 1,348 $ 924 46 % $ 1,697 $ 955 78 %

Additional operating statistics are in the tables in the Appendix.

Palmarejo, Mexico - Strong Cash Flow

Second quarter production totaled 2.4 million ounces of silver and 31,258 ounces of gold, which was consistent with first quarter of 2012 and second quarter 2011 production.
Cash operating costs1 per silver ounce in the second quarter were $(0.85) compared to ($2.27) in the first quarter. Higher costs in the second quarter compared to first quarter 2012 and second quarter 2011 were primarily due to higher maintenance costs and to downtime related to a temporary work stoppage at the mine in May.
Sales and operating cash flow1 totaled $136.4 million and $63.6 million, respectively, in the second quarter. Capital expenditures were $11.2 million.

San Bartolomé, Bolivia - Consistent Performance

Silver production totaled 1.5 million ounces in the second quarter; consistent with first quarter production.
Cash operating costs1 per silver ounce were $11.05 compared to $10.21 in the first quarter. Lower ore grade impacted cash operating costs1 per ounce.
Sales and operating cash flow1 totaled $53.4 million and $24.8 million, respectively, in the second quarter. Capital expenditures were $7.8 million.

Kensington, Alaska - Production Accelerating as Costs Drop

Second quarter production returned to full-scale, almost tripling over the first quarter to 21,572 ounces of gold.
Cash operating costs1 per gold ounce declined 50% from the first quarter to $1,348 and are expected to reach $900 by year-end.
Sustainable production levels are now being achieved and all major improvement projects have been completed.
Sales and operating cash flow1 totaled $21.1 million and $0.6 million, respectively, in the second quarter. Capital expenditures were $9.3 million.

Rochester, Nevada - Rising Production Levels and Lower Costs

Second quarter silver production increased over the first quarter by 62% to 712,706 ounces and gold production increased 91% to 10,120 ounces.
Cash operating costs1 in the second quarter declined 58% to $9.83 per silver ounce compared to the first quarter.
Sales and operating cash flow1 totaled $34.2 million and $11.8 million, respectively, in the second quarter. Capital expenditures were $2.9 million.

The Martha mine in the Santa Cruz province of Argentina has continued to experience high operating costs and low production due to a short remaining expected mine life after ten years of production since 2002. The Company expects to cease active mining operations by September 30, 2012, and to commence reclamation activities after mining operations have concluded. Employees affected by the cessation of mining operations are expected to be placed with other mining companies in the region. As previously disclosed, the Company is evaluating strategic and operational alternatives for the Martha mine. As a result, the Company recorded an impairment charge of $4.8 million in the second quarter.

Exploration Highlights

During the second quarter, the Company completed 60,292 meters (197,808 feet) of drilling and trenching in its exploration programs at Palmarejo, Rochester, projects in Argentina, Kensington, San Bartolomé, and the Carrizalillo prospect in Chile. Up to 17 drills were employed by the Company during the second quarter. Coeur's exploration teams received three awards from the International Society of Mine Safety Professionals in recognition of their commitment to safety.

Donald J. Birak, Senior Vice President of Exploration for Coeur, commented, “On the exploration front, we are enthusiastic about the results from drilling at Palmarejo. The Guadalupe deposit, which is expected to be in production next year, continues to expand and remains open at depth and to the northwest. A new target called La Blanca Norte was defined during the second quarter near the existing Palmarejo operation and it is planned to be aggressively drilled during the remainder of 2012. In addition, we are pleased to announce completion of an upgraded mineral resource estimate for the Joaquin silver-gold project in southern Argentina. We are especially pleased with the safety awards received by our teams in Mexico, Argentina and Chile,” Birak said.

Palmarejo

The Company completed 32,321 meters (106,040 feet) of exploration core drilling in the Palmarejo district. This drilling was divided between targets around the current Palmarejo mine and at the Guadalupe area located approximately six kilometers from the Palmarejo mine. Mineralization at Guadalupe has now been defined over a length of more than 2.5 kilometers (+8,200 feet) from southeast to northwest and remains open to the northwest and at depth. Since the last mineral resource and reserve estimate for Guadalupe was prepared, 100 new core holes have been completed and will be used to prepare a new model of mineral resources and reserves at year-end. Surface drilling commenced on the new La Blanca Norte zone situated immediately northwest of the Palmarejo mill complex. A helicopter-borne geophysical (magnetics) survey was completed over the Company's entire land holding, which is helping to identify new drill targets.

Kensington

Exploration at Kensington consisted of 4,534 meters (14,875 feet) of core drilling. Nearly all of the drilling was devoted to infill drilling of the Raven zone, which is located approximately 670 meters (2,200 feet) due west of the Kensington ore body. In addition, drilling recommenced on the new Kensington South target where drilling encountered veining and alteration similar to that of the main Kensington mine with encouraging gold grades. A helicopter-borne geophysical (magnetics) survey was conducted to help identify future drill targets.

In addition, the Company completed 3,976 meters (13,045 feet) of definition core drilling at Zone 10, which is expected to constitute a major part of the mine plan for the next three years. Assay results from 85 new holes from independent laboratories showed multiple gold-mineralized intervals, ranging from one foot to 34-feet true widths and gold grades from a cutoff grade of 0.1 to over 6.0 ounces per ton. The Company plans to use this data to update the mineral resources and reserves of Zone 10.

Rochester

Drilling at Rochester totaled 14,548 meters (47,730 feet) in 252 holes on the property. Over 80% of this drilling focused on existing Rochester stockpile inventory with the remainder at Northwest Rochester.

San Bartolomé

One hundred new backhoe trenches were completed and sampled at San Bartolomé. In the third quarter, trenching and sampling are planned to shift to new targets due west of the current mining area.

Carrizalillo

An initial program of 3 core holes, totaling 1,328 meters (4,357 feet), was completed at this prospect in north-central Chile. Three prominent zones of hydrothermal alteration with anomalous precious metals detected from past sampling were tested. Results are pending.

Joaquin

A total of 3,450 meters (11,319 feet) of drilling was completed at the Joaquin joint venture property, located approximately 70 kilometers (43 miles) north of the Company's Martha mine, to complete infill drilling at the La Negra and La Morocha deposits and test new targets on the property. Data from this drilling, and drilling completed in the second half of 2011, were used to update the 2011 resource estimates at La Negra and La Morocha.

As a result, the August 2012 mineral estimate for Joaquin (shown in table 4 below) reflects a 102% increase in contained silver ounces and an 18% increase in contained gold ounces in measured and indicated resources compared to the May 2011 mineral estimate. The estimated silver and gold ounces contained in inferred resources were reduced from May 2011 levels as material was upgraded from the inferred category to measured and indicated categories. The August 2012 resource estimate used metal prices of $30 per silver ounce and $1,500 per gold ounce compared with $20 per silver ounce and $1,300 per gold ounce in May 2011.

The new mineral resource estimate incorporates results from 123 new core drill holes (16,707 meters) designed to upgrade inferred mineral resources in the May 2011 estimate to measured and indicated levels. In addition to the new drilling, results from 43 drill holes (6,231 meters) were received after the model was completed and are expected to be incorporated into the next update in early 2013.

Table 4: Joaquin Project Mineral Resources (100% Basis)

August 20121,2,3,4 Classification Tonnes (000s) Average Grade (grams/tonne) Contained Ounces Gold Silver Gold Silver (000)

Measured

1,800 0.10 95.8 6,000 5,600 Indicated 11,900 0.10 89.2 36,600 34,100 Measured & Indicated 13,700 0.10 90.1 42,600 39,700 Inferred 8,300 0.07 118.3 19,800 31,700 May 20113,4,5,6,7 Classification Tonnes (000s) Average Grade (grams/tonne) Contained Ounces Gold Silver Gold Silver (000) Measured — — — — — Indicated

7,200

0.16 85 36,200 19,700 Measured & Indicated 7,200 0.16 85 36,200 19,700 Inferred 13,800 0.10 108.1 43,600 48,000

Metal prices used were $30 per silver ounce and $1,500 per gold ounce.

Oxide mineral resources estimated using a cutoff grade of 25 grams per tonne silver and sulfide mineral resources with a cutoff grade of 37 grams per tonne silver within Whittle®-estimated, surface mine, scoping level parameters.

Mineral resources estimated by the consulting firm of NCL Ingeniería y Construcción Ltda. in Santiago, Chile.

Mineral resources that are not mineral reserves have not demonstrated economic viability.

Metal prices used were $20 per silver ounce and $1,300 per gold ounce.

Oxide mineral resources estimated using a cutoff grade of 33 grams per tonne silver equivalent and sulfide mineral resources with a cutoff grade of 51.9 grams per tonne silver equivalent within Whittle®-estimated, surface mine, scoping level parameters.

Silver equivalent = gold grade in grams per tonne times 65 + silver grade in grams per tonne.

2012 Outlook

The Company expects to achieve the high-end of its production guidance for 2012 of 18.5 - 20.0 million ounces of silver and 210,000- 230,000 ounces of gold, and the low-end of its cash operating costs1 guidance for 2012 of $6.50 - $7.50 per silver ounce. Kensington's cash operating costs1 for the full year 2012 are expected to be unchanged at $1,150 - $1,250 per gold ounce.

Table 5: 2012 Production Outlook

(silver ounces in thousands) Country Silver Gold Palmarejo Mexico 8,500-9,000 98,000-108,000 San Bartolomé Bolivia 6,300-6,700 — Rochester Nevada, USA 2,600-2,900 30,000-35,000 Martha Argentina 700-900 400-500 Endeavor Australia 400-500 — Kensington Alaska, USA — 82,600-86,500 Total 18,500-20,000 210,000-230,000

Conference Call Information

Coeur will hold a conference call to discuss the Company's second quarter 2012 results at 1 p.m. Eastern time on August 7, 2012.

Dial-In Numbers: (877) 464-2820 (US and Canada) (660) 422-4718 (International) Conference ID:

133 212 42

The conference call and presentation will also be webcast on the Company's website www.coeur.com. A replay of the call will be available through August 14, 2012.

Replay number: (855) 859-2056 (US and Canada) International replay: (404) 537-3406 (International) Conference ID:

133 212 42

Cautionary Statement

This news release contains forward-looking statements within the meaning of securities legislation in the United States and Canada, including statements regarding anticipated operating results, production levels, operating costs, and expectations with respect to its Martha mine. Such forward-looking statements involve known and unknown risks, uncertainties and other factors which may cause Coeur's actual results, performance or achievements to be materially different from any future results, performance or achievements expressed or implied by the forward-looking statements. Such factors include, among others, any failure or delay in obtaining required governmental approvals, the risks and hazards inherent in the mining business (including environmental hazards, industrial accidents, weather or geologically related conditions), changes in the market prices of gold and silver, the uncertainties inherent in Coeur's production, exploratory and developmental activities, including risks relating to permitting and regulatory delays and disputed mining claims, any future labor disputes or work stoppages, the uncertainties inherent in the estimation of gold and silver ore reserves, changes that could result from Coeur's future acquisition of new mining properties or businesses, reliance on third parties to operate certain mines where Coeur owns silver production and reserves, the loss of any third-party smelter to which Coeur markets silver and gold, the effects of environmental and other governmental regulations, the risks inherent in the ownership or operation of or investment in mining properties or businesses in foreign countries, Coeur's ability to raise additional financing necessary to conduct its business, make payments or refinance its debt, as well as other uncertainties and risk factors set out in filings made from time to time with the United States Securities and Exchange Commission, and the Canadian securities regulators, including, without limitation, Coeur's reports on Form 10-K and Form 10-Q and Exhibit 99.2 to Coeur's Current Report on Form 8-K filed June 25, 2012. Actual results, developments and timetables could vary significantly from the estimates presented. Readers are cautioned not to put undue reliance on forward-looking statements. Coeur disclaims any intent or obligation to update publicly such forward-looking statements, whether as a result of new information, future events or otherwise. Current mineralized material estimates include disputed and undisputed claims at Rochester. While the Company believes it holds a superior position in the ongoing claim dispute, the Company believes an adverse legal outcome would cause it to modify mineralized material estimates. Additionally, Coeur undertakes no obligation to comment on analyses, expectations or statements made by third parties in respect of Coeur, its financial or operating results or its securities.

Donald J. Birak, Coeur's Senior Vice President of Exploration and a qualified person under Canadian NI 43-101, supervised the preparation of the scientific and technical information concerning Coeur's mineral projects in this news release. For a description of the key assumptions, parameters and methods used to estimate mineral reserves and resources, as well as data verification procedures and a general discussion of the extent to which the estimates may be affected by any known environmental, permitting, legal, title, taxation, socio-political, marketing or other relevant factors, please see the Technical Reports for each of Coeur's properties as filed on SEDAR at www.sedar.com.

Cautionary Note to U.S. Investors - The United States Securities and Exchange Commission permits U.S. mining companies, in their filings with the SEC, to disclose only those mineral deposits that a company can economically and legally extract or produce. We may use certain terms in public disclosures, such as "measured," "indicated," "inferred” and “resources," that are recognized by Canadian regulations, but that SEC guidelines generally prohibit U.S. registered companies from including in their filings with the SEC. U.S. investors are urged to consider closely the disclosure in our Form 10-K which may be secured from us, or from the SEC's website at http://www.sec.gov.

Non-U.S. GAAP Measures

We supplement the reporting of our financial information determined under United States generally accepted accounting principles (U.S. GAAP) with certain non-U.S. GAAP financial measures, including cash operating costs, operating cash flow, adjusted earnings, and EBITDA. We believe that these adjusted measures provide meaningful information to assist management, investors and analysts in understanding our financial results and assessing our prospects for future performance. We believe these adjusted financial measures are important indicators of our recurring operations because they exclude items that may not be indicative of, or are unrelated to our core operating results, and provide a better baseline for analyzing trends in our underlying businesses. We believe cash operating costs, operating cash flow, adjusted earnings and EBITDA are important measures in assessing the Company's overall financial performance.

About Coeur

Coeur d'Alene Mines Corporation is the largest U.S.-based primary silver producer and a growing gold producer. The Company built and commenced production from three wholly-owned, long-lived mines between 2008 and 2010: the San Bartolomé silver mine in Bolivia, the Palmarejo silver-gold mine in Mexico and the Kensington gold mine in Alaska. Further production has commenced from a new heap leach pad at Coeur's long-time Rochester silver-gold mine in Nevada. The Company also owns and operates the Martha silver-gold mine in Argentina and owns a non-operating interest in a silver-base metal mine in Australia. Coeur conducts ongoing exploration activities near and within its operating properties in Argentina, Mexico, Alaska, Nevada and Bolivia. In addition, Coeur owns strategic minority shareholdings in seven silver and gold development companies in North and South America.

Table 6: Operating Statistics from Continuing Operations:

Three months ended

June 30,

Six months ended

June 30,

2012 2011 2012 2011

Silver Operations:

Palmarejo Tons milled 489,924 414,719 1,018,467 813,459 Ore grade/Ag oz 5.74 7.30 5.94 6.65 Ore grade/Au oz 0.07 0.08 0.07 0.08 Recovery/Ag oz 84.2 % 78.3 % 80.2 % 75.8 % Recovery/Au oz 92.0 % 95.2 % 92.6 % 91.5 % Silver production ounces 2,365,484 2,370,536 4,848,298 4,100,303 Gold production ounces 31,258 33,389 62,338 61,148 Cash operating cost/oz $ (0.85 ) $ (3.68 ) $ (1.58 ) $ (0.10 ) Cash cost/oz $ (0.85 ) $ (3.68 ) $ (1.58 ) $ (0.10 ) Total production cost/oz $ 17.28 $ 14.16 $ 15.10 $ 18.48 San Bartolomé Tons milled 391,005 378,640 769,109 766,308 Ore grade/Ag oz 4.26 5.24 4.43 5.11 Recovery/Ag oz 88.3 % 87.7 % 89.8 % 88.2 % Silver production ounces 1,470,342 1,741,578 3,061,634 3,452,525 Cash operating cost/oz $ 11.05 $ 8.73 $ 10.62 $ 8.93 Cash cost/oz $ 12.04 $ 10.32 $ 11.76 $ 10.40 Total production cost/oz $ 14.89 $ 13.51 $ 14.44 $ 13.44 Martha Tons milled 39,199 22,122 73,268 39,940 Ore grade/Ag oz 3.52 5.44 3.94 8.39 Ore grade/Au oz 0.003 0.01 0.004 0.01 Recovery/Ag oz 78.2 % 84.0 % 79.8 % 83.8 % Recovery/Au oz 72.4 % 72.4 % 68.6 % 74.3 % Silver production ounces 107,895 101,122 230,688 281,107 Gold production ounces 97 112 181 356 Cash operating cost/oz $ 55.07 $ 38.79 $ 50.50 $ 29.60 Cash cost/oz $ 56.21 $ 40.47 $ 51.39 $ 30.86 Total production cost/oz $ 62.30 $ 33.83 $ 56.74 $ 30.92 Rochester (A) Tons milled 2,268,896 — 4,278,414 — Ore grade/Ag oz 0.63 — 0.59 — Ore grade/Au oz 0.005 — 0.005 — Recovery/Ag oz 49.8 % — 45.7 % — Recovery/Au oz 84.0 % — 74.9 % — Silver production ounces 712,706 333,432 1,154,043 667,127 Gold production ounces 10,120 1,397 15,412 2,848 Cash operating cost/oz $ 9.83 $ 4.34 $ 15.00 $ 7.31 Cash cost/oz $ 11.45 $ 6.88 $ 16.54 $ 9.37 Total production cost/oz $ 14.66 $ 8.92 $ 20.02 $ 11.22 Three months ended

June 30,

Six months ended

June 30,

2012 2011 2012 2011 Endeavor Tons milled 201,057 207,388 396,903 374,674 Ore grade/Ag oz 3.31 2.41 3.33 2.23 Recovery/Ag oz 36.1 % 42.9 % 36.9 % 43.5 % Silver production ounces 240,168 214,613 488,126 363,795 Cash operating cost/oz $ 17.50 $ 20.04 17.07 $ 18.85 Cash cost/oz $ 17.50 $ 20.04 17.07 $ 18.85 Total production cost/oz $ 24.13 $ 24.07 23.70 $ 22.93

Gold Operation:

Kensington(B) Tons milled 97,794 121,565 141,730 227,385 Ore grade/Au oz 0.23 0.23 0.22 0.23 Recovery/Au oz 94.2 % 93.0 % 94.0 % 92.7 % Gold production ounces 21,572 25,758 29,016 49,434 Cash operating cost/oz $ 1,348 $ 924 $ 1,697 $ 955 Cash cost/oz $ 1,348 $ 924 $ 1,697 $ 955 Total production cost/oz $ 1,799 $ 1,308 $ 2,260 $ 1,345 CONSOLIDATED PRODUCTION TOTALS (B) Total silver ounces 4,896,595 4,761,281 9,782,789

8,864,857

Total gold ounces 63,047 60,656 106,947

113,786

Silver Operations:(C)

Cash operating cost per oz - silver $ 6.41 $ 3.39 $ 6.35 $ 5.69 Cash cost per oz - silver $ 6.97 $ 4.19 $ 6.91 $ 6.46 Total production cost oz - silver $ 17.51 $ 14.42 $ 16.88 $ 16.55

Gold Operation:(D)

Cash operating cost per oz - gold $ 1,348 $ 924 $ 1,697 $ 954.78 Cash cost per oz - gold $ 1,348 $ 924 $ 1,697 $ 954.78 Total production cost per oz - gold $ 1,799 $ 1,308 $ 2,260 $ 1,345 CONSOLIDATED SALES TOTALS (E) Silver ounces sold 5,601,953 4,133,283 9,892,001 7,792,436 Gold ounces sold 59,579 49,930 98,464 115,852 Realized price per silver ounce $ 29.28 $ 39.11 $ 30.72 $ 35.42 Realized price per gold ounce $ 1,610 $ 1,504 $ 1,646 $ 1,430

(A)

The Rochester mine recommenced production in the fourth quarter of 2011. The leach cycle at Rochester requires five to ten years to recover gold and silver contained in the ore. The Company estimates the ultimate recovery to be approximately 61% for silver and 92% for gold. However, ultimate recoveries will not be known until leaching operations cease, which is currently estimated for 2017. Current recovery may vary significantly from ultimate recovery. See Critical Accounting Policies and Estimates – Ore on Leach Pad in the Company’s Form 10-K for the year ended December 31, 2011.

(B)

Current production ounces and recoveries reflect final metal settlements of previously reported production ounces.

(C)

Amount includes by-product gold credits deducted in computing cash costs per ounce.

(D)

Amounts reflect Kensington per ounce statistics only.

(E)

Units sold at realized metal prices will not match reported metal sales due primarily to the effects on revenues of mark-to-market adjustments on embedded derivatives in the Company’s provisionally priced sales contracts.

Table 7:COEUR D’ALENE MINES CORPORATION AND SUBSIDIARIESCONDENSED CONSOLIDATED BALANCE SHEETS(Unaudited)

June 30, 2012 December 31, 2011 ASSETS (In thousands, except share data) CURRENT ASSETS Cash and cash equivalents $ 199,397 $ 175,012 Short term investments 907 20,254 Receivables 70,443 83,497 Ore on leach pad 30,562 27,252 Metal and other inventory 145,144 132,781 Deferred tax assets 2,090 1,869 Restricted assets 456 60 Prepaid expenses and other 22,184 24,218 471,183 464,943 NON-CURRENT ASSETS Property, plant and equipment, net 693,026 687,676 Mining properties, net 1,945,763 2,001,027 Ore on leach pad, non-current portion 12,631 6,679 Restricted assets 29,134 28,911 Marketable securities 21,150 19,844 Receivables, non-current portion 45,352 40,314 Debt issuance costs, net 2,738 1,889 Deferred tax assets 132 263 Other 12,401 12,895 TOTAL ASSETS $ 3,233,510 $ 3,264,441 LIABILITIES AND SHAREHOLDERS’ EQUITY CURRENT LIABILITIES Accounts payable $ 66,991 $ 78,590 Accrued liabilities and other 8,321 13,126 Accrued income taxes 23,929 47,803 Accrued payroll and related benefits 18,119 16,240 Accrued interest payable 1,437 559 Current portion of debt and capital leases 82,708 32,602 Current portion of royalty obligation 63,269 61,721 Current portion of reclamation and mine closure 4,812 1,387 Deferred tax liabilities 53 53 269,639 252,081 NON-CURRENT LIABILITIES Long-term debt and capital leases 53,974 115,861 Non-current portion of royalty obligation 150,534 169,788 Reclamation and mine closure 30,531 32,371 Deferred tax liabilities 545,031 527,573 Other long-term liabilities 23,091 30,046 803,161 875,639 COMMITMENTS AND CONTINGENCIES SHAREHOLDERS’ EQUITY

Common stock, par value $0.01 per share; authorized 150,000,000 shares, 89,901,675issued at June 30, 2012 and 89,655,124 issued at December 31, 2011

899 897 Additional paid-in capital 2,587,923 2,585,632 Accumulated deficit (417,885 ) (444,833 ) Accumulated other comprehensive loss (10,227 ) (4,975 ) 2,160,710 2,136,721 TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY $ 3,233,510 $ 3,264,441

Table 8:COEUR D’ALENE MINES CORPORATION AND SUBSIDIARIESCONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS(Unaudited)

Three months endedJune 30, Six months endedJune 30, 2012 2011 2012 2011 (In thousands, except share data) Sales of metal $ 254,406 $ 231,090 $ 458,970 $ 430,714 Production costs applicable to sales (131,823 ) (77,102 ) (224,377 ) (169,576 ) Depreciation, depletion and amortization (61,024 ) (57,641 ) (113,616 ) (107,682 ) Gross profit 61,559 96,347 120,977 153,456 COSTS AND EXPENSES Administrative and general 8,594 1,827 16,190 14,058 Exploration 6,305 4,077 12,872 6,839 Loss on impairment and other 4,813 — 4,813 — Pre-development, care, maintenance and other 273 11,104 1,341 14,678 Total cost and expenses 19,985 17,008 35,216 35,575 OPERATING INCOME 41,574 79,339 85,761 117,881 OTHER INCOME AND EXPENSE Loss on debt extinguishments — (389 ) — (856 ) Fair value adjustments, net 16,039 (12,432 ) (7,074 ) (17,700 ) Interest income and other, net (3,221 ) 2,763 1,786 4,664 Interest expense, net of capitalized interest (7,557 ) (9,268 ) (14,227 ) (18,573 ) Total other income and expense, net 5,261 (19,326 ) (19,515 ) (32,465 ) Income before income taxes 46,835 60,013 66,246 85,416 Income tax provision (23,862 ) (21,402 ) (39,298 ) (34,341 ) NET INCOME $ 22,973 $ 38,611 $ 26,948 $ 51,075 BASIC AND DILUTED INCOME PER SHARE Basic income per share: Net income $ 0.26 $ 0.43 $ 0.30 $ 0.57 Diluted income per share: Net income $ 0.26 $ 0.43 $ 0.30 $ 0.57 Weighted average number of shares of common stock Basic 89,631 89,310 89,611 89,299 Diluted 89,733 89,712 89,777 89,683

Table 9:COEUR D’ALENE MINES CORPORATION AND SUBSIDIARIESCONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS(Unaudited)

Three months endedJune 30, Six months endedJune 30, 2012 2011 2012 2011 (In thousands) (In thousands) CASH FLOWS FROM OPERATING ACTIVITIES: Net income $ 22,973 $ 38,611 $ 26,948 $ 51,075 Add (deduct) non-cash items Depreciation, depletion and amortization 61,024 57,641 113,616 107,682 Accretion of discount on debt and other assets, net 808 494 1,605 944 Accretion of royalty obligation 5,492 5,770 10,072 11,037 Deferred income taxes 9,690 4,223 17,368 10,093 Loss on debt extinguishment — 389 — 856 Fair value adjustments, net (17,759 ) 13,933 4,018 20,593 Gain (loss) on foreign currency transactions 70 (848 ) 369 (737 ) Share-based compensation 1,033 (3,351 ) 3,170 4,804 (Gain) loss on sale of assets 264 (1,223 ) 264 (1,224 ) Loss on impairment 4,813 — 4,813 — Other non-cash charges (40 ) 200 (40 ) 831 Changes in operating assets and liabilities: Receivables and other current assets 10,319 (8,138 ) 7,365 (12,979 ) Prepaid expenses and other (2,857 ) 1,354 1,916 1,335 Inventories 3,097 (23,575 ) (21,625 ) (36,068 ) Accounts payable and accrued liabilities 14,276 25,585 (39,655 ) (11,392 ) CASH PROVIDED BY OPERATING ACTIVITIES 113,203 111,065 130,204 146,850 CASH FLOWS FROM INVESTING ACTIVITIES Purchase of short term investments and marketable securities (6,831 ) (11,881 ) (7,866 ) (13,110 ) Proceeds from sales and maturities of short term investments 683 2,773 20,701 3,360 Capital expenditures (32,238 ) (25,764 ) (63,885 ) (41,681 ) Other 995 325 1,180 273 CASH USED IN INVESTING ACTIVITIES (37,391 ) (34,547 ) (49,870 ) (51,158 ) CASH FLOWS FROM FINANCING ACTIVITIES: Proceeds from issuance of notes and bank borrowings — — — 27,500 Payments on long-term debt, capital leases, and associated costs (8,794 ) (16,704 ) (14,244 ) (34,099 ) Payments on gold production royalty (19,287 ) (17,441 ) (40,660 ) (32,059 ) Payments on gold lease facility — — — (13,800 ) Additions to restricted assets associated with the Kensington Term Facility — — — (1,325 ) Other (217 ) 30 (1,045 ) (1,197 ) CASH USED IN FINANCING ACTIVITIES (28,298 ) (34,115 ) (55,949 ) (54,980 ) INCREASE IN CASH AND CASH EQUIVALENTS 47,514 42,403 24,385 40,712 Cash and cash equivalents at beginning of period 151,883 64,427 175,012 66,118 Cash and cash equivalents at end of period $ 199,397 $ 106,830 $ 199,397 $ 106,830

Table 10:Operating Cash Flow Reconciliation

(in thousands) 2Q 2012 1Q 2012 4Q 2011 3Q 2011 2Q 2011 Cash provided by operating activities $ 113,203 $ 17,002 $ 87,412 $ 181,911 $ 111,065 Changes in operating assets and liabilities: Receivables and other current assets (10,319 ) 2,956 (8,904 ) 10,513 8,138 Prepaid expenses and other 2,857 (4,774 ) 8,839 8,697 (1,354 ) Inventories (3,097 ) 24,722 17,574 (23,234 ) 23,575 Accounts payable and accrued liabilities (14,276 ) 53,929 (7,452 ) (26,930 ) (25,585 ) Operating Cash Flow $ 88,368 $ 93,835 $ 97,469 $ 150,957 $ 115,839

Table 11:EBITDA Reconciliation

(in thousands) 2Q 2012 1Q 2012 4Q 2011 3Q 2011 2Q 2011 Net income (loss) $ 22,973 $ 3,975 $ 11,364 $ 31,060 $ 38,611 Income tax provision 23,862 15,436 52,390 27,606 21,402 Interest expense, net of capitalized interest 7,557 6,670 8,222 7,980 9,268 Interest and other income 3,221 (5,007 ) 4,697 6,610 (2,763 ) Fair value adjustments, net (16,039 ) 23,113 (19,035 ) 53,351 12,432 Loss on debt extinguishments — — 3,886 784 389 Depreciation and depletion 61,024 52,592 58,166 58,652 57,641 EBITDA $ 102,598 $ 96,779 $ 119,690 $ 186,043 $ 136,980

Table 12:Adjusted Earnings Reconciliation

(in thousands) 2Q 2012 1Q 2012 4Q 2011 3Q 2011 2Q 2011 Net income (loss) $ 22,973 $ 3,975 $ 11,364 $ 31,060 $ 38,611 Share Based Compensation 1,033 2,137 2,861 457 (3,351 ) Deferred income tax provision 9,690 7,677 38,614 3,110 4,198 Interest expense, accretion of royalty obligation 5,492 4,580 5,523 4,990 5,770 Fair value adjustments, net (16,039 ) 23,113 (19,035 ) 53,351 12,432 Loss on impairment 4,813 — — — — Loss on debt extinguishments — — 3,886 784 389 Adjusted Earnings (Loss) $ 27,962 $ 41,482 $ 43,213 $ 93,752 $ 58,049

Table 13:Results of Operations by Mine - Palmarejo

in millions of US$ 2Q 2012 1Q 2012 4Q 2011 3Q 2011 2Q 2011 Sales of Metal $ 136.4 $ 123.7 $ 134.3 $ 166.9 $ 123.7 Production Costs $ 62.5 $ 45.9 $ 47.0 $ 64.1 $ 37.7 EBITDA $ 72.3 $ 76.5 $ 83.7 $ 100.4 $ 84.6 Operating Income $ 29.5 $ 38.8 $ 38.7 $ 61.6 $ 43.0 Operating Cash Flow $ 63.6 $ 81.4 $ 77.4 $ 91.2 $ 81.8 Capital Expenditures $ 11.2 $ 7.2 $ 12.1 $ 9.5 $ 10.3 Gross Profit $ 31.1 $ 40.1 $ 44.7 $ 61.6 $ 44.2 Gross Margin 22.8 % 32.4 % 33.3 % 36.9 % 35.7 % 2Q 2012 1Q 2012 4Q 2011 3Q 2011 2Q 2011 Underground Operations: Tons Mined 162,820 158,030 191,966 143,010 144,614 Average Silver Grade (oz/t) 8.91 7.82 8.04 9.36 10.08 Average Gold Grade (oz/t) 0.14 0.11 0.11 0.13 0.14 Surface Operations: Tons Mined 321,758 347,609 321,881 260,618 276,699 Average Silver Grade (oz/t) 4.14 5.32 5.88 6.56 5.85 Average Gold Grade (oz/t) 0.04 0.04 0.05 0.05 0.06 Processing: Total Tons Milled 489,924 528,543 505,619 403,978 414,719 Average Recovery Rate – Ag 84.2 % 76.8 % 77.9 % 75.9 % 78.3 % Average Recovery Rate – Au 92.0 % 93.3 % 92.4 % 93.6 % 95.2 % Silver Production - oz (000's) 2,365 2,483 2,690 2,251 2,371 Gold Production - oz 31,258 31,081 34,108 29,815 33,389 Cash Operating Costs/Ag Oz $ (0.85 ) $ (2.27 ) $ (2.13 ) $ (1.16 ) $ (3.68 )

Table 14:Reconciliation of EBITDA for Palmarejo

in millions of US$ 2Q 2012 1Q 2012 4Q 2011 3Q 2011 2Q 2011 Sales of metal $ 136.4 $ 123.7 $ 134.3 $ 166.9 $ 123.7 Production costs applicable to sales $ (62.5 ) (45.9 ) (47.0 ) (64.1 ) (37.8 ) Administrative and general $ — — — — — Exploration $ (1.6 ) (1.3 ) (2.8 ) (2.2 ) (1.3 ) Care and maintenance and other $ — — (0.8 ) (0.2 ) — Pre-development $ — — — — — EBITDA $ 72.3 $ 76.5 $ 83.7 $ 100.4 $ 84.6

Table 15:Operating Cash Flow for Palmarejo

in millions of US$ 2Q 2012 1Q 2012 4Q 2011 3Q 2011 2Q 2011 Cash provided by operating activities $ 90.5 $ 63.0 $ 70.9 $ 104.7 $ 62.9 Changes in operating assets and liabilities: Receivables and other current assets $ (12.5 ) 5.4 5.7 (0.8 ) 8.9 Prepaid expenses and other $ 0.5 (1.9 ) (3.2 ) 3.4 (0.4 ) Inventories $ (11.5 ) 4.0 9.9 (16.2 ) 12.0 Accounts payable and accrued liabilities $ (3.4 ) 8.6 (5.9 ) 0.1 (1.6 ) Operating Cash Flow $ 63.6 $ 79.1 $ 77.4 $ 91.2 $ 81.8

Table 16:Results of Operations by Mine - San Bartolomé

in millions of US$ 2Q 2012 1Q 2012 4Q 2011 3Q 2011 2Q 2011 Sales of Metal $53.4 $41.4 $62.8 $102.8 $55.6 Production Costs $22.8 $13.6 $21.4 $30.1 $14.1 EBITDA $30.5 $27.7 $41.2 $72.5 $41.4 Operating Income $26.6 $23.5 $34.9 $66.7 $36.2 Operating Cash Flow $24.8 $20.8 $28.7 $49.6 $25.7 Capital Expenditures $7.8 $10.2 $6.5 $4.4 $3.3 Gross Profit $26.5 $23.5 $35.3 $66.7 $36.3 Gross Margin 49.6% 56.8% 56.2% 64.9% 65.3% 1Q 2012 1Q 2012 4Q 2011 3Q 2011 2Q 2011 Tons Milled 391,005 378,104 371,983 428,978 378,640 Average Silver Grade (oz/t) 4.3 4.6 5.4 5.4 5.2 Average Recovery Rate 88.3% 91.2% 90.5% 88.6% 87.7% Silver Production (000's) 1,470 1,591 1,997 2,051 1,742 Cash Operating Costs/Ag Oz $11.05 $10.21 $9.18 $9.32 $8.73

Table 17:Reconciliation of EBITDA for San Bartolomé

in millions of US$ 2Q 2012 1Q 2012 4Q 2011 3Q 2011 2Q 2011 Sales of metal $ 53.4 $ 41.4 $ 62.8 $ 102.8 $ 55.6 Production costs applicable to sales (22.8 ) (13.6 ) (21.4 ) (30.1 ) (14.1 ) Administrative and general — — — — — Exploration (0.1 ) (0.1 ) — (0.1 ) (0.1 ) Care and maintenance and other — — (0.2 ) (0.1 ) — Pre-development — — — — — EBITDA $ 30.5 $ 27.7 $ 41.2 $ 72.5 $ 41.4

Table 18:Operating Cash Flow for San Bartolomé

in millions of US$ 2Q 2012 1Q 2012 4Q 2011 3Q 2011 2Q 2011 Cash provided by (used in) operating activities $ 31.0 $ (27.4 ) $ 22.3 $ 78.1 $ 38.2 Changes in operating assets and liabilities: Receivables and other current assets $ (0.7 ) 2.2 0.2 5.0 1.5 Prepaid expenses and other $ 4.4 (2.8 ) 4.6 0.2 (0.6 ) Inventories $ (3.4 ) 4.7 2.9 (7.2 ) 4.0 Accounts payable and accrued liabilities $ (6.5 ) 44.1 (1.3 ) (26.5 ) (17.4 ) Operating Cash Flow $ 24.8 $ 20.8 $ 28.7 $ 49.6 $ 25.7

Table 19:Results of Operations by Mine - Kensington

in millions of US$ 2Q 2012 1Q 2012 4Q 2011 3Q 2011 2Q 2011 Sales of Metal $ 21.1 $ 10.4 $ 32.9 $ 44.2 $ 26.0 Production Costs $ 16.1 $ 17.1 $ 31.7 $ 24.3 $ 12.8 EBITDA $ 4.7 $ (6.9 ) $ 0.5 $ 19.6 $ 12.8 Operating Income/(Loss) $ (5.0 ) $ (13.6 ) $ (6.6 ) $ 10.3 $ 2.8 Operating Cash Flow $ 0.6 $ (7.8 ) $ (4.1 ) $ 14.5 $ 11.7 Capital Expenditures $ 9.3 $ 10.9 $ 12.0 $ 9.2 $ 7.4 Gross Profit/(Loss) $ (4.7 ) $ (13.3 ) $ (5.7 ) $ 10.3 $ 3.3 Gross Margin (22.3 )% (127.9 )% (17.3 )% 23.3 % 12.7 % 2Q 2012 1Q 2012 4Q 2011 3Q 2011 2Q 2011 Tons Milled 97,794 43,936 71,700 116,255 121,565 Average Gold Grade (oz/t) 0.23 0.18 0.19 0.24 0.23 Average Recovery Rate 94.2 % 93.4 % 96.5 % 91.7 % 93 % Gold Production 21,572 7,444 13,299 25,687 25,758 Cash Operating Costs/Ag Oz $ 1,348 $ 2,709 $ 1,807 $ 973 $ 924

Table 20:Reconciliation of EBITDA for Kensington

in millions of US$ 2Q 2012 1Q 2012 4Q 2011 3Q 2011 2Q 2011 Sales of metal $ 21.1 $ 10.4 $ 32.9 $ 44.2 $ 26.0 Production costs applicable to sales (16.1 ) (17.1 ) (31.7 ) (24.3 ) (12.8 ) Administrative and general — — — — — Exploration (0.3 ) (0.2 ) (0.5 ) (0.3 ) (0.3 ) Care and maintenance and other — — (0.2 ) — (0.1 ) Pre-development — — — — — EBITDA $ 4.7 $ (6.9 ) $ 0.5 $ 19.6 $ 12.8

Table 21:Operating Cash Flow for Kensington

in millions of US$ 2Q 2012 1Q 2012 4Q 2011 3Q 2011 2Q 2011 Cash provided by operating activities $ (12.5 ) $ 1.1 $ 9.3 $ 8.6 $ 7.6 Changes in operating assets and liabilities: Receivables and other current assets $ 4.6 (10.3 ) (5.1 ) 5.0 (1.0 ) Prepaid expenses and other $ (0.5 ) (1.0 ) 0.5 1.3 0.2 Inventories $ 9.9 3.3 (10.1 ) (1.3 ) 8.0 Accounts payable and accrued liabilities $ (0.9 ) (0.9 ) 1.3 0.9 (3.1 ) Operating Cash Flow $ 0.6 $ (7.8 ) $ (4.1 ) $ 14.5 $ 11.7

Table 22:Results of Operations by Mine - Rochester

in millions of US$ 2Q 2012 1Q 2012 4Q 2011 3Q 2011 2Q 2011 Sales of Metal $ 34.2 $ 18.8 $ 11.1 $ 17.5 $ 14.4 Production Costs $ 20.8 $ 9.6 $ 4.2 $ 11.4 $ 5.3 EBITDA $ 11.6 $ 7.2 $ 3.2 $ 2.7 $ (2.2 ) Operating Income/(Loss) $ 9.5 $ 5.5 $ 4.6 $ 2.1 $ (2.9 ) Operating Cash Flow $ 11.8 $ 7.2 $ 3.4 $ 2.7 $ (3.9 ) Capital Expenditures $ 2.9 $ 2.6 $ 7.7 $ 13.6 $ 4.2 Gross Profit $ 11.3 $ 7.6 $ 5.9 $ 5.5 $ 8.5 Gross Margin 33.0 % 40.4 % 53.2 % 31.4 % 59.0 % 2Q 2012 1Q 2012 4Q 2011 3Q 2011 2Q 2011 Silver Production (000's) 713 441 373 352 333 Gold Production 10,120 5,292 1,993 1,435 1,397 Cash Operating Costs/Ag Oz $ 9.83 $ 23.35 $ 37.99 $ 36.71 $ 4.34

Table 23:Reconciliation of EBITDA for Rochester

in millions of US$ 2Q 2012 1Q 2012 4Q 2011 3Q 2011 2Q 2011 Sales of metal $ 34.2 $ 18.8 $ 11.1 $ 17.5 $ 14.4 Production costs applicable to sales (20.8 ) (9.6 ) (4.2 ) (11.4 ) (5.3 ) Administrative and general — — — — — Exploration (1.1 ) (0.7 ) (1.5 ) (0.2 ) (0.3 ) Care and maintenance and other (0.7 ) (1.3 ) (2.2 ) (3.2 ) (11.0 ) Pre-development — — — — — EBITDA $ 11.6 $ 7.2 $ 3.2 $ 2.7 $ (2.2 )

Table 24:Operating Cash Flow for Rochester

in millions of US$ 2Q 2012 1Q 2012 4Q 2011 3Q 2011 2Q 2011 Cash provided by (used in) operating activities $ 10.1 $ (7.1 ) $ (11.4 ) $ 0.9 $ (2.1 ) Changes in operating assets and liabilities: Receivables and other current assets $ (0.1 ) 0.3 (0.2 ) 0.2 — Prepaid expenses and other $ (1.0 ) 1.4 0.7 0.7 0.4 Inventories $ 3.9 11.2 14.2 5.9 0.6 Accounts payable and accrued liabilities $ (1.1 ) 1.4 0.1 (5.0 ) (2.8 ) Operating Cash Flow $ 11.8 $ 7.2 $ 3.4 $ 2.7 $ (3.9 )

Table 25:Results of Operations by Mine - Martha

in millions of US$ 2Q 2012 1Q 2012 4Q 2011 3Q 2011 2Q 2011 Sales of Metal $ 4.1 $ 3.6 $ 2.8 $ 6.0 $ 4.8 Production Costs $ 7.1 $ 3.7 $ 3.9 $ 8.1 $ 3.9 EBITDA $ (10.6 ) $ (3.7 ) $ (3.3 ) $ (3.8 ) $ (0.5 ) Operating Loss $ (11.3 ) $ (4.3 ) $ (3.0 ) $ (4.0 ) $ (0.4 ) Operating Cash Flow $ (5.5 ) $ (5.1 ) $ (5.0 ) $ (1.7 ) $ (0.9 ) Capital Expenditures $ 0.5 $ 0.7 $ 1.4 $ 1.1 $ 0.6 Gross Profit/(Loss) $ (3.7 ) $ (0.7 ) $ (1.7 ) $ (2.3 ) $ 1.8 Gross Margin (90.2 )% (19.4 )% (60.7 )% (38.3 )% 37.5 % 2Q 2012 1Q 2012 4Q 2011 3Q 2011 2Q 2011 Total Tons Milled 39,199 34,069 37,141 24,086 22,122 Average Silver Grade (oz/t) 3.52 4.43 4.65 5.33 5.44 Average Gold Grade (oz/t) — — 0.01 0.01 0.01 Average Recovery Rate – Ag 78.2 % 81.4 % 75.2 % 92.3 % 84 % Average Recovery Rate – Au 72.4 % 64.6 % 74.2 % 72.9 % 72.4 % Silver Production (000's) 108 123 130 119 101 Cash Operating Costs/Ag Oz $ 55.07 $ 46.48 $ 33.75 $ 39.31 $ 38.79

Table 26:Reconciliation of EBITDA for Martha

in millions of US$ 2Q 2012 1Q 2012 4Q 2011 3Q 2011 2Q 2011 Sales of metal $ 4.1 $ 3.6 $ 2.8 $ 6.0 $ 4.8 Production costs applicable to sales (7.1 ) (3.7 ) (3.9 ) (8.2 ) (3.8 ) Administrative and general — — — — — Exploration (2.8 ) (3.4 ) (2.1 ) (1.5 ) (1.5 ) Care and maintenance and other (4.8 ) (0.2 ) (0.1 ) (0.1 ) — Pre-development — — — — — EBITDA $ (10.6 ) $ (3.7 ) $ (3.3 ) $ (3.8 ) $ (0.5 )

Table 27:Operating Cash Flow for Martha

in millions of US$ 2Q 2012 1Q 2012 4Q 2011 3Q 2011 2Q 2011 Cash provided by (used in) operating activities $ (3.3 ) $ (7.1 ) $ (3.2 ) $ 0.2 $ (3.2 ) Changes in operating assets and liabilities: Receivables and other current assets (0.6 ) 3.5 (0.9 ) 2.3 0.2 Prepaid expenses and other 0.1 (0.1 ) (0.3 ) 0.4 0.1 Inventories (2.3 ) 0.4 0.4 (3.3 ) 0.1 Accounts payable and accrued liabilities 0.6 (1.8 ) (1.0 ) (1.3 ) 1.9 Operating Cash Flow $ (5.5 ) $ (5.1 ) $ (5.0 ) $ (1.7 ) $ (0.9 )

Table 28:Results of Operations by Mine - Endeavor

in millions of US$ 2Q 2012 1Q 2012 4Q 2011 3Q 2011 2Q 2011 Sales of Metal $ 5.2 $ 6.7 $ 2.8 $ 6.2 $ 6.6 Production Costs $ 2.6 $ 2.7 $ 1.0 $ 3.2 $ 3.3 EBITDA $ 2.6 $ 4.0 $ 1.8 $ 3.0 $ 3.3 Operating Income $ 1.1 $ 2.3 $ 1.1 $ 2.1 $ 2.4 Operating Cash Flow $ 2.8 $ 3.5 $ 2.1 $ 1.3 $ 3.6 Capital Expenditures $ — $ — $ — $ — $ — Gross Profit $ 1.1 $ 2.3 $ 1.1 $ 2.1 $ 2.4 Gross Margin 21.2 % 34.3 % 39.3 % 33.9 % 36.4 % 2Q 2012 1Q 2012 4Q 2011 3Q 2011 2Q 2011 Silver Production (000's) 240 248 111 138 215 Cash Operating Costs/Ag Oz $ 17.50 $ 16.64 $ 14.74 $ 22.26 $ 20.04

Table 29:Reconciliation of EBITDA for Endeavor

in millions of US$ 2Q 2012 1Q 2012 4Q 2011 3Q 2011 2Q 2011 Sales of metal $ 5.2 $ 6.7 $ 2.8 $ 6.2 $ 6.6 Production costs applicable to sales (2.6 ) (2.7 ) (1.0 ) (3.2 ) (3.3 ) Administrative and general — — — — — Exploration — — — — — Care and maintenance and other — — — — — Pre-development — — — — — EBITDA $ 2.6 $ 4.0 $ 1.8 $ 3.0 $ 3.3

Table 30:Operating Cash Flow for Endeavor

in millions of US$ 2Q 2012 1Q 2012 4Q 2011 3Q 2011 2Q 2011 Cash provided by operating activities $ 3.6 $ 2.5 $ 2.1 $ 2.4 $ 2.5 Changes in operating assets and liabilities: Receivables and other current assets (1.7 ) 1.7 (1.2 ) (1.4 ) 2.7 Prepaid expenses and other — — — — — Inventories 0.2 0.6 0.1 (0.9 ) — Accounts payable and accrued liabilities 0.7 (1.3 ) 1.1 1.2 (1.6 ) Operating Cash Flow $ 2.8 $ 3.5 $ 2.1 $ 1.3 $ 3.6

Table 31:Reconciliation of Non-U.S. GAAP Cash Costs to U.S. GAAP Production CostsThree months ended June 30, 2012

(In thousands except ounces and per ounce costs) Palmarejo

SanBartolomé

Kensington Rochester Martha Endeavor Total Total cash operating cost (Non-U.S. GAAP) $ (2,009 ) $ 16,249 $ 29,083 $ 7,008 $ 5,942 $ 4,204 $ 60,477 Royalties — 1,457 — 510 124 — 2,091 Production taxes — — — 641 — — 641 Total cash costs (Non-U.S. GAAP) $ (2,009 ) $ 17,706 $ 29,083 $ 8,159 $ 6,066 $ 4,204 $ 63,209 Add/Subtract: Third party smelting costs — — (2,820 ) — (1,444 ) (1,449 ) (5,713 ) By-product credit 50,363 — — 16,295 157 — 66,815 Other adjustments 124 117 7 229 26 — 503 Change in inventory 14,060 4,950 (10,165 ) (3,931 ) 2,297 (202 ) 7,009 Depreciation, depletion and amortization 42,741 4,070 9,719 2,060 631 1,592 60,813

Production costs applicable to sales, including depreciation,depletion and amortization (U.S. GAAP)

$ 105,279 $ 26,843 $ 25,824 $ 22,812 $ 7,733 $ 4,145 $ 192,636 Production of silver (ounces) 2,365,484 1,470,342 — 712,706 107,895 240,168 4,896,595 Cash operating cost per silver ounce $ (0.85 ) $ 11.05 $ — $ 9.83 $ 55.07 $ 17.50 $ 6.41 Cash costs per silver ounce $ (0.85 ) $ 12.04 $ — $ 11.45 $ 56.21 $ 17.50 $ 6.97 Production of gold (ounces) — — 21,572 — — — 21,572 Cash operating cost per gold ounce $ — $ — $ 1,348 $ — $ — $ — $ 1,348 Cash cost per gold ounce $ — $ — $ 1,348 $ — $ — $ — $ 1,348

Table 32:Reconciliation of Non-U.S. GAAP Cash Costs to U.S. GAAP Production CostsSix months ended June 30, 2012

(In thousands except ounces and per ounce costs) Palmarejo

SanBartolomé

Kensington Rochester Martha Endeavor Total Total cash operating cost (Non-U.S. GAAP) $ (7,652 ) $ 32,502 $ 49,251 $ 17,311 $ 11,649 $ 8,331 $ 111,392 Royalties — 3,493 — 1,119 206 — 4,818 Production taxes — — — 653 — — 653 Total cash costs (Non-U.S. GAAP) $ (7,652 ) $ 35,995 $ 49,251 $ 19,083 $ 11,855 $ 8,331 $ 116,863 Add/Subtract: Third party smelting costs — — (3,903 ) — (3,418 ) (2,238 ) (9,559 ) By-product credit 102,889 — — 25,252 298 — 128,439 Other adjustments 368 (77 ) 14 316 83 — 704 Change in inventory 12,793 463 (12,166 ) (14,335 ) 1,977 (803 ) (12,071 ) Depreciation, depletion and amortization 80,501 8,289 16,324 3,702 1,151 3,236 113,203

Production costs applicable to sales, includingdepreciation, depletion and amortization (U.S. GAAP)

$ 188,899 $ 44,670 $ 49,520 $ 34,018 $ 11,946 $ 8,526 $ 337,579 Production of silver (ounces) 4,848,298 3,061,634 — 1,154,043 230,688 488,126 9,782,789 Cash operating cost per silver ounce $ (1.58 ) $ 10.62 $ — $ 15.00 $ 50.50 $ 17.07 $ 6.35 Cash costs per silver ounce $ (1.58 ) $ 11.76 $ — $ 16.54 $ 51.39 $ 17.07 $ 6.91 Production of gold (ounces) — — 29,016 — — — 29,016 Cash operating cost per gold ounce $ — $ — $ 1,697 $ — $ — $ — $ 1,697 Cash cost per gold ounce $ — $ — $ 1,697 $ — $ — $ — $ 1,697

Table 33:Reconciliation of Non-U.S. GAAP Cash Costs to U.S. GAAP Production CostsThree months ended June 30, 2011

(In thousands except ounces and per ounce costs) Palmarejo

SanBartolomé

Kensington Rochester Martha Endeavor Total Total cash operating cost (Non-U.S. GAAP) $ (8,719 ) $ 15,211 $ 23,789 $ 1,446 $ 3,922 $ 4,301 $ 39,950 Royalties — 2,760 — 578 170 — 3,508 Production taxes — — — 268 — — 268 Total cash costs (Non-U.S. GAAP) $ (8,719 ) $ 17,971 $ 23,789 $ 2,292 $ 4,092 $ 4,301 $ 43,726 Add/Subtract: Third party smelting costs — — (3,375 ) — (426 ) (1,018 ) (4,819 ) By-product credit 50,188 — — 2,106 169 — 52,463 Other adjustments 552 376 19 97 76 — 1,120 Change in inventory (4,252 ) (4,221 ) (7,588 ) 846 (162 ) (10 ) (15,387 )

Depreciation, depletion and amortization

41,745 5,182 9,889 584 (748 ) 865 57,517

Production costs applicable to sales, includingdepreciation, depletion and amortization (U.S. GAAP)

$ 79,514 $ 19,308 $ 22,734 $ 5,925 $ 3,001 $ 4,138 $ 134,620 Production of silver (ounces) 2,370,536 1,741,578 — 333,432 101,122 214,613 4,761,281 Cash operating cost per silver ounce $ (3.68 ) $ 8.73 $ — $ 4.34 $ 38.79 $ 20.04 $ 3.39 Cash costs per silver ounce $ (3.68 ) $ 10.32 $ — $ 6.88 $ 40.47 $ 20.04 $ 4.19 Production of gold (ounces) — — 25,758 — — — 25,758 Cash operating cost per gold ounce $ — $ — $ 924 $ — $ — $ — $ 924 Cash cost per gold ounce $ — $ — $ 924 $ — $ — $ — $ 924

Table 34:Reconciliation of Non-U.S. GAAP Cash Costs to U.S. GAAP Production CostsThree months ended March 31, 2012

(In thousands except ounces and per ounce costs) Palmarejo

SanBartolomé

Kensington Rochester Martha Endeavor Total Total cash operating cost (Non-U.S. GAAP) $ (5,643 ) $ 16,253 $ 20,168 $ 10,303 $ 5,708 $ 4,127 $ 50,916 Royalties — 2,036 — 609 82 — 2,727 Production taxes — — — 12 — — 12 Total cash costs (Non-U.S. GAAP) $ (5,643 ) $ 18,289 $ 20,168 $ 10,924 $ 5,790 $ 4,127 $ 53,655 Add/Subtract: Third party smelting costs — — (1,083 ) — (1,975 ) (788 ) (3,846 ) By-product credit 52,526 — — 8,957 141 — 61,624 Other adjustments 244 (194 ) 7 87 57 — 201 Change in inventory (1,268 ) (4,487 ) (2,001 ) (10,403 ) (320 ) (601 ) (19,080 ) Depreciation, depletion and amortization 37,761 4,219 6,604 1,642 520 1,644 52,390

Production costs applicable to sales, includingdepreciation, depletion and amortization (U.S. GAAP)

$ 83,620 $ 17,827 $ 23,695 $ 11,207 $ 4,213 $ 4,382 $ 144,944 Production of silver (ounces) 2,482,814 1,591,292 — 441,337 122,793 247,958 4,886,194 Cash operating cost per silver ounce $ (2.27 ) $ 10.21 $ — $ 23.35 $ 46.48 $ 16.64 $ 6.29 Cash costs per silver ounce $ (2.27 ) $ 11.49 $ — $ 24.75 $ 47.15 $ 16.64 $ 6.85 Production of gold (ounces) — — 7,444 — — — 7,444 Cash operating cost per gold ounce $ — $ — $ 2,709 $ — $ — $ — $ 2,709 Cash cost per gold ounce $ — $ — $ 2,709 $ — $ — $ — $ 2,709

Table 35:Reconciliation of Non-U.S. GAAP Cash Costs to U.S. GAAP Production CostsSix months ended June 30, 2011

(In thousands except ounces and per ounce costs) Palmarejo

SanBartolomé

Kensington Rochester Martha Endeavor Total Total cash operating cost (Non-U.S. GAAP) $ (407 ) $ 30,825 $ 47,199 $ 4,875 $ 8,322 $ 6,859 $ 97,673 Royalties — 5,064 — 908 353 — 6,325 Production taxes — — — 468 — — 468 Total cash costs (Non-U.S. GAAP) $ (407 ) $ 35,889 $ 47,199 $ 6,251 $ 8,675 $ 6,859 $ 104,466 Add/Subtract: Third party smelting costs — — (6,025 ) — (1,799 ) (1,581 ) (9,405 ) By-product credit 88,656 — — 4,121 508 — 93,285 Other adjustments 773 188 19 138 172 — 1,290 Change in inventory (13,884 ) (7,833 ) 4,572 2,188 (4,196 ) (905 ) (20,058 ) Depreciation, depletion and amortization 75,411 10,325 19,254 1,098 (157 ) 1,483 107,414

Production costs applicable to sales, includingdepreciation, depletion and amortization (U.S. GAAP)

$ 150,549 $ 38,569 $ 65,019 $ 13,796 $ 3,203 $ 5,856 $ 276,992 Production of silver (ounces) 4,100,303 3,452,525 — 667,127 281,107 363,795 8,864,857 Cash operating cost per silver ounce $ (0.10 ) $ 8.93 $ — $ 7.31 $ 29.60 $ 18.85 $ 5.69 Cash costs per silver ounce $ (0.10 ) $ 10.40 $ — $ 9.37 $ 30.86 $ 18.85 $ 6.46 Production of gold (ounces) — — 49,434 — — — 49,434 Cash operating cost per gold ounce $ — $ — $ 955 $ — $ — $ — $ 955 Cash cost per gold ounce $ — $ — $ 955 $ — $ — $ — $ 955

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