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AN26: Talisman Energy Inc.: Talisman Energy Announces First Oil from HST/HSD Development, Offshore Vietnam Growth Continues in

  AN26: Talisman Energy Inc.: Talisman Energy Announces First Oil from HST/HSD
  Development, Offshore Vietnam Growth Continues in Core Asia-Pacific Region

UK Regulatory Announcement

CALGARY, ALBERTA

Talisman Energy Inc. (TSX:TLM) (NYSE:TLM) has announced first oil production
from its Hai Su Trang and Hai Su Den (HST/HSD) development, offshore Vietnam.
Gross production is expected to reach 15,000 bbls/day once the facilities are
fully commissioned.

“We are delighted to have achieved first oil ahead of schedule and under
budget,” said Paul Blakeley, EVP Asia-Pacific. “This development will help
Talisman meet its regional and corporate objectives of adding near-term,
high-margin liquids volumes and associated cash flow. In addition, it will
allow us to evaluate the further development potential of the HSD field.

“I would like to thank our colleagues from PetroVietnam and its subsidiary,
PetroVietnam Production Exploration Corporation (PVEP), as well as PTSC, the
EPCI contractor, and PV Drilling. Working closely together, we have been able
to deliver first oil in less than 18 months from project sanction. This is a
remarkable achievement, and consistent with Talisman’s objective of bringing
projects on-stream safer, better, faster and at lower cost.”

The HST/HSD development is comprised of two offshore oil fields discovered
within Block 15-2/01, on the western edge of Vietnam's prolific Cuu Long
Basin. Block 15-2/01 is operated by the Thang Long Joint Operating Company
(TLJOC) in which Talisman (Vietnam 15-2/01) holds a 60% working interest and
PVEP holds the remaining 40%.

The development is located 75 kilometres offshore Southern Vietnam in shallow
water (45 metres), and consists of two wellhead platforms which have been tied
back to the existing Te Giac Trang FPSO. Four wells at HST have been drilled,
completed and tied-in, and two previously drilled wells at HSD were completed
and tied in by TLJOC, utilizing PV Drilling. Both platforms were constructed
in Vietnam by PTSC Mechanical and Construction, a subsidiary company of
PetroVietnam.

Talisman Energy Inc. is a global upstream oil and gas company, headquartered
in Canada. Talisman has two core operating areas: the Americas (North America
and Colombia) and Asia-Pacific. Talisman is committed to conducting business
safely, in a socially and environmentally responsible manner, and is included
in the Dow Jones Sustainability (North America) Index. Talisman is listed on
the Toronto and New York stock exchanges under the symbol TLM. Please visit
our website at (www.talisman-energy.com).

For further information, please           
contact:
Media and General Inquiries:                    Shareholder and Investor
                                                Inquiries:
Phoebe Buckland                                 Lyle McLeod
Manager, External Communications                Vice-President, Investor
                                                Relations
Phone: 403-237-1657                             Phone: 403-767-5732
Email: tlm@talisman-energy.com                  Email: tlm@talisman-energy.com
                                                

11-13

Forward Looking Information

This news release contains "forward-looking information" (FLI) within the
meaning of applicable securities legislation. This FLI includes statements
regarding business priorities and plans. The factors or assumptions on which
the FLI is based include assumptions inherent in current guidance and other
risks and uncertainties described in the filings made by Talisman with
securities regulatory authorities. Talisman believes the FLI are reasonable
but no assurance can be given that they will prove to be correct. Undue
reliance should not be placed on FLI. FLI is based on current expectations,
estimates and projections that involve a number of risks which could cause
actual results to vary and in some instances to differ materially from those
anticipated by Talisman and described in this news release. The material risk
factors include, but are not limited to: risks associated with project
management and project delays; risks related to strategic and capital
allocation decisions; and changes in general economic and business conditions.
The foregoing list of risk factors is not exhaustive. Additional information
on these and other factors are included in Talisman's most recent AIF. FLI is
based on the estimates and opinions of Talisman’s management at the time the
information is presented. Talisman assumes no obligation to update FLI should
circumstances or management's estimates or opinions change, except as required
by law.

Contact:

Talisman Energy Inc.