Talisman Energy Inc.



       Talisman Energy Announces Continuing Exploration Success in Vietnam

Talisman (Vietnam 15-2/01) Ltd., a wholly owned subsidiary of Talisman Energy
Inc., has drilled a successful sidetrack well from its Hai Su Trang (HST)
discovery offshore Vietnam and determined that the adjacent Te Giac Trang (TGT)
industry discovery extends onto Block 15-2/01.

The sidetrack well penetrating the TGT structure on Block 15-2/01 was drilled to
a total depth of 3,321 metres (measured depth) and successfully tested oil from
the Lower Miocene formation, flowing at 4,886 bbls/d of 37� API oil, limited by
well test equipment.

The HST discovery is also located in Block 15-2/01, 50 miles off the east coast
of Vietnam on trend with large oil and gas discoveries in the Cuu Long Basin. In
January 2007, Talisman announced that the HST discovery well had tested 14,863
bbls/d of oil from a separate fault block updip and adjacent to the 2005 Te Giac
Trang (TGT Block 16-1) industry discovery.

"This continued success confirms our belief in the considerable potential of
Block 15-2, with over 20 prospects and leads already identified by our 3D
seismic survey," said Dr. Jim Buckee, President and Chief Executive Officer of
Talisman. "Although we are still in the appraisal stage, these drilling results
have given us some confidence that we are looking at our first commercial
discovery here. The well results also support the likelihood that we will find a
number of similar structures at Miocene level, particularly where by-passed pay
has already been recorded in early wells drilled on the block. We move forward
with increased confidence in the three well exploration program, which is due to
commence in the third quarter of this year."

The Thang Long Joint Operating Company, a special purpose company established
for conducting all operations on Block 15-2/01, plans to drill three new wildcat
exploration wells in 2007 to evaluate additional structures on trend with the
HST discovery. Talisman holds a 60% working interest share in any commercial
discoveries on Block 15-2/01 with PetroVietnam Exploration and Production
Company holding the remaining 40%.

Talisman Energy Inc. is an independent upstream oil and gas company
headquartered in Calgary, Alberta, Canada. Talisman has operations in Canada and
its subsidiaries operate in the North Sea, Southeast Asia, Australia, North
Africa, the United States and Trinidad and Tobago. Talisman's subsidiaries are
also active in a number of other international areas. Talisman is committed to
conducting its business in an ethically, socially and environmentally
responsible manner. The Company is a participant in the United Nations Global
Compact and included in the Dow Jones Sustainability (North America) Index.
Talisman's shares are listed on the Toronto Stock Exchange in Canada and the New
York Stock Exchange in the United States under the symbol TLM.

For further information, please contact:

David Mann, Senior Manager, Corporate         Christopher J. LeGallais
& Investor Communications                     Senior Manager, Investor Relations
Phone: 403-237-1196 Fax: 403-237-1210         Phone: 403-237-1957 Fax: 403-237-1210
E-mail: tlm@talisman-energy.com               Email: tlm@talisman-energy.com

12-07

Forward-Looking Statements

This news release contains statements that constitute forward-looking statements
or forward-looking information (collectively 'forward-looking statements')
within the meaning of applicable securities legislation. These forward-looking
statements include, among others, statements regarding: business plans for
drilling, exploration and appraisal and estimated timing; business strategy and
plans; and other expectations, beliefs, plans, goals, objectives, assumptions,
information and statements about possible future events, conditions, results of
operations or performance. Often, but not always, forward-looking statements use
words or phrases such as: 'expects', 'does not expect' or 'is expected',
'anticipates' or 'does not anticipate', 'plans' or 'planned', 'estimates' or
'estimated', 'projects' or 'projected', 'forecasts' or 'forecasted', 'believes',
'intends', 'likely', 'possible', 'probable', 'scheduled', 'positioned', 'goal',
'objective' or state that certain actions, events or results 'may', 'could',
'would', 'might' or 'will' be taken, occur or be achieved.

Various assumptions were used in drawing the conclusions or making the forecasts
and projections contained in the forward-looking statements throughout this news
release. In particular, statements which discuss future business plans for
drilling, exploration and appraisal in 2007 assume that the extraction of crude
oil, natural gas and natural gas liquids remains economic.

Undue reliance should not be placed on forward-looking statements.
Forward-looking statements are based on current expectations, estimates and
projections that involve a number of risks and uncertainties, which could cause
actual results to differ materially from those anticipated by Talisman and
described in the forward-looking statements. These risks and uncertainties
include:

    --  the risks of the oil and gas industry, such as operational risks in
        exploring for, developing and producing crude oil and natural gas,
        including unpredictable facilities outages;

    --  risks and uncertainties involving geology of oil and gas deposits;

    --  the uncertainty of reserves estimates, reserves life and underlying
        reservoir risk;

    --  the uncertainty of estimates and projections relating to production,
        costs and expenses;

    --  potential delays or changes in plans with respect to exploration or
        development projects or capital expenditures;

    --  fluctuations in oil and gas prices, foreign currency exchange rates and
        interest rates;

    --  health, safety and environmental risks;

    --  uncertainties as to the availability and cost of financing and changes
        in capital markets;

    --  risks in conducting foreign operations (for example, political and
        fiscal instability or the possibility of civil unrest or military
        action);

    --  changes to general economic and business conditions;

    --  the effect of acts of, or actions against, international terrorism;

    --  the possibility that government policies or laws may change or
        governmental approvals may be delayed or withheld;

    --  the Company's ability to implement its business strategy.

Readers are cautioned that the foregoing list of risks and uncertainties is not
exhaustive. Additional information on these and other factors which could affect
the Company's operations or financial results are included: (1) under the
heading "Risk Factors" in the Company's Annual Information Form; and (2) under
the headings "Management's Discussion and Analysis - Risk Factors" and elsewhere
in the Company's 2006 Annual Financial Report. Additional information may also
be found in the Company's other reports on file with Canadian securities
regulatory authorities and the United States Securities and Exchange Commission.

Forward-looking statements are based on the estimates and opinions of the
Company's management at the time the statements are made. The Company assumes no
obligation to update forward-looking statements should circumstances or
management's estimates or opinions change except as required by law.
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