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Release

TransGlobe Energy Corporation Announces Update on Republic of Yemen Operations

CALGARY, ALBERTA--TransGlobe Energy Corporation ("TransGlobe" or 
the "Company") (TSX symbol "TGL"; OTC-BB symbol "TGLEF") is 
pleased to announce a successful development well at Tasour #9 on 
Block 32 in the Republic of Yemen. 

Block 32, Yemen (13.81% working interest) 

The Tasour #9 well was directionally drilled to test the eastern 
flank of the Tasour field extension defined by the Tasour #7 and 
Tasour #8 wells. The Tasour #9 well encountered the main Qishn 
S-1A producing zone and a second Qishn zone in a structurally 
high position, above the known oil/water contact. The well was 
placed on production into the central production facility and is 
currently producing at a rate of 7,500 barrels of fluid per day 
with an approximate water cut of 82% (approximately 1,500 barrels 
of oil per day). Additional evaluation work is planned to 
determine the source of the water production which may be from 
lower zones in the well. It is expected that the well will 
continue to produce at the current level which is similar to 
wells further down the structure. With the addition of Tasour #9, 
the Tasour field is currently producing approximately 19,500 Bopd 
(2,690 Bopd to TransGlobe). 

The Tasour #7, #8 and #9 wells have changed the structural 
mapping of the Tasour field. The revised structural picture of 
the field has set up a number of potential exploration prospects 
to the west and the east of the Tasour field along the southern, 
bounding fault. Additional seismic reprocessing and remapping 
work is underway to select new exploration drilling locations for 
the future. It is anticipated the first of these locations will 
commence drilling in June 2003 as a potential western extension 
of the Tasour field. 

Block S-1, Yemen (25.0% working interest) 

The An Nagyah #4 well commenced drilling on April 16 to appraise 
the Upper Lam oil pool discovered in An Nagyah #2. An Nagyah #4 
is located approximately 2.5 kilometers northwest of An Nagyah 
#2. The An Nagyah #2 well tested approximately 1,100 barrels per 
day of light oil from the Upper Lam (press released December 10, 
2002). Results from An Nagyah #4 are expected in mid May. 

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 

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

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