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Release

TransGlobe Energy Corporation Announces Update on Yemen Operations

CALGARY, ALBERTA--(CCNMatthews - March 15, 2005) - TransGlobe Energy 
Corporation ("TransGlobe" or the "Company") (TSX:TGL) (AMEX:TGA) 
announces an operations update on Block 32 in the Republic of Yemen.

Block 32, Yemen (13.81% working interest)

The Tasour #17 exploration well was drilled to a total depth of 1904 
meters to test a separate Qishn structure to the east of the Tasour 
Field. The well has been plugged and suspended after encountering Qishn 
S-1A sand in a structurally low position. Although hydrocarbon shows 
were encountered, no tests were conducted as it was determined that the 
Qishn S-1A sand was water bearing.

A 70 kilometer 2-D seismic shoot is scheduled to get under way during 
the second quarter, to define several exploration leads to the north and 
west of the Tasour field.

The drilling rig is scheduled to move to a non-owned adjacent block for 
a two well program before returning to Block 32 for additional drilling. 
It is anticipated that the drilling rig will return to Block 32 in June 
of 2005 for a 2 well program.

This release includes certain statements that may be deemed to be 
"forward-looking statements" within the meaning of the US Private 
Securities Litigation Reform Act of 1995. All statements in this 
release, other than statements of historical facts, that address future 
production, reserve potential, exploration drilling, exploitation 
activities and events or developments that the Company expects, are 
forward-looking statements. Although TransGlobe believes the 
expectations expressed in such forward-looking statements are based on 
reasonable assumptions, such statements are not guarantees of future 
performance and actual results or developments may differ materially 
from those in the forward-looking statements. Factors that could cause 
actual results to differ materially from those in forward-looking 
statements include oil and gas prices, exploitation and exploration 
successes, continued availability of capital and financing, and general 
economic, market or business conditions.


TRANSGLOBE ENERGY CORPORATION

s/s Lloyd Herrick

Lloyd W. Herrick

Vice President & C.O.O

-30-

TransGlobe Energy Corporation
Ross G. Clarkson
President & C.E.O.
(403) 264-9888
(403) 264-9898 (FAX)

or

TransGlobe Energy Corporation
Lloyd W. Herrick
Vice President & C.O.O.
(403) 264-9888
(403) 264-9898 (FAX)
Email: trglobe@trans-globe.com
Website: www.trans-globe.com

or

Executive Offices
#2500, 605 -5th Avenue, S.W.,
Calgary, AB T2P 3H5

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