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Release

TransGlobe Energy Corporation Announces Successful Appraisal Well in Republic of Yemen

CALGARY, ALBERTA--(CCNMatthews - Sept. 16, 2004) - TransGlobe 
Energy Corporation ("TransGlobe" or the "Company") is pleased to 
announce a successful development well at An Nagyah #10. 

BLOCK S-1, REPUBLIC OF YEMEN (25% working interest) 

Successful appraisal well at An Nagyah #10:  

The An Nagyah #10 well was drilled to a total depth of 1,144 
meters and completed as an Upper Lam oil well, flowing at a 
stabilized rate of 1,547 barrels of light (42 degree API) oil per 
day. 

The An Nagyah #10 well encountered the Upper Lam sandstones with 
a 33 meter oil bearing interval. A 26.0 meter reservoir interval 
in the oil bearing section was perforated between 1,030 and 1,056 
meters. The perforated interval flowed at 1,547 barrels per day 
of light oil and 604 thousand cubic feet of natural gas per day 
on a 36/64 inch choke at 375 psi flowing pressure. No water was 
produced during the test period. 

An Nagyah #10 is located 0.5 kilometers east of the An Nagyah #6 
well which tested light sweet oil at 1,140 Bopd from a 29 meter 
perforated interval (April 28, 2004 announcement). The An Nagyah 
#10 well will be equipped for early production via trucking after 
the drilling rig is moved to An Nagyah #11 later this week. The 
An Nagyah #11 well is located northwest of the An Nagyah #6 well 
and is planned to be drilled as a horizontal well. Additional 
development wells in the An Nagyah pool are expected to be 
drilled in the fourth quarter of 2004 and into 2005. 

The total production capability of the An Nagyah field is now 
approximately 5,000 Bopd. Production rates via trucking are 
planned to increase from the current 3,800 Bopd to approximately 
5,000 Bopd (1,250 Bopd to TransGlobe) when the An Nagyah #10 well 
is equipped for production. Trucking operations will be phased 
out following the construction of a central production facility 
("CPF") at An Nagyah and a 28 kilometer (18 mile) pipeline to the 
Jannah Hunt export pipeline. The pipeline and facilities are 
expected to be operational by mid 2005. The 10 inch pipeline is 
designed to allow an ultimate capacity of 80,000 Bopd so that 
future discoveries can be placed on stream quickly. The CPF is 
designed for an initial capacity of 10,000 Bopd (2,500 Bopd to 
TransGlobe), with expansion capabilities. 

TransGlobe is a growth oriented international exploration and 
production Company with its corporate office in Calgary, Alberta, 
Canada. TransGlobe has achieved a production growth rate of 38% 
per year over the past three years and expects to produce an 
average of 3,600 Boepd during 2004. TransGlobe is well positioned 
for continued growth with interests in three production sharing 
agreements in the Republic of Yemen (two producing, one 
exploration), one exploration concession in the Arab Republic of 
Egypt and producing oil and gas properties in Alberta, Canada. 

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. 


/T/

TRANSGLOBE ENERGY CORPORATION

s/s Ross Clarkson

Ross G. Clarkson,
President & C.E.O.

/T/

-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

TransGlobe Energy Corporation
#2900, 330 -5th Avenue, S.W.
Calgary, AB T2P 0L4

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