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**EXHIBIT 6**

**UNITED STATES
  SECURITIES AND EXCHANGE COMMISSION**
  Washington, D.C. 20549

FORM F-X/A-1

APPOINTMENT OF AGENT FOR SERVICE OF PROCESS AND UNDERTAKING

|A. | Name of issuer or person filing ("Filer"):
|-- | ------------------------------------------

TRANSGLOBE ENERGY CORPORATION

|B. | (1)                                                                          | This is [check
        one]:                                                                                                                                                                                                                                                                                                                                                                                        
|-- | ---------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|   |                                                                              |  ̈                                                                                                                                                                                                                                                                                                                                                                                                                   
|   |                                                                              | x                                                                                                                                                                                                                                                                                                                                                                                                                   
|   |                                                                              |                                                                                                                                                                                                                                                                                                                                                                                                                     
|   | (2)                                                                          | Check the following
        box if you are filing the Form F-X in paper in accordance with Regulation
        S-T Rule 101(b)(9)  ̈                                                                                                                                                                                                                                                                                  
|   |                                                                              |                                                                                                                                                                                                                                                                                                                                                                                                                     
|   | (3)                                                                          | A filer may also
        file the Form F-X in paper under a hardship exemption provided by Regulation
        S-T Rule 201 or 202 (17 CFR 232.201 or 232.202). When submitting the Form
        F-X in paper under a hardship exemption, a filer must provide the legend
        required by Regulation S-T Rule 201(a)(2) or 202(c) (17 CFR 232.201(a)(2)
        or 232.202(c)) on the cover page of the Form F-X.
|   |                                                                              |                                                                                                                                                                                                                                                                                                                                                                                                                     
|C. | Identify the filing
        in conjunction with which this Form being filed:

| | Name of registrant:                   | TransGlobe Energy Corporation         
| | ------------------------------------- | --------------------------------------
| | Form type:                            | Form 40-F                             
| | File Number (if known):               | 0-11378                               
| | Filed by:                             | TransGlobe Energy Corporation         
| | Date Filed (if filed concurrently, so | March 29, 2005 (concurrently herewith)
| | indicate):                            |                                       

|D. | The Filer is incorporated or organized under the laws of:                                            
|-- | -----------------------------------------------------------------------------------------------------
|   |                                                                                                      
|   | Alberta, Canada                                                                                      
|   |                                                                                                      
|   | and has its principal place of business at:                                                          
|   |                                                                                                      
|   | Suite 2500 
        605 – Fifth Avenue S.W.
        Calgary, Alberta 
        Canada 
        T2P 3H5

1

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|E. | The Filer designates and appoints John L. Mericle ("Agent")
      located at:                                                                         
|-- | ------------------------------------------------------------------------------------------------------------------------------------------------------
|   |                                                                                                                                                       
|   | John L. Mericle, Esq. 
      Harris, Mericle & Wakayama PLLC 
      Suite 3210, 999 Third Avenue 
      Seattle, Washington 98104
      (206) 621-1818

|   | as the agent of the Filer upon whom may be served
        any process, pleadings, subpoenas, or other papers in:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
|-- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
|   | (a) any investigation or administrative
        proceeding conducted by the Commission; and                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
|   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
|   | (b) any civil suit or action brought
        against the Filer or to which the Filer has been joined as defendant or
        respondent, in any appropriate court in any place subject to the jurisdiction
        of any state or of the United States or of any of its territories or possessions
        or of the District of Columbia, where the investigation, proceeding or
        cause of action arises out of or related to or concerns (i) any offering
        made or purported to be made in connection with the securities registered
        or qualified by the Filer or any purchases or sales of any security in
        connection therewith; (ii) the securities in relation to which the obligation
        to file an annual report on Form 40-F arises, or any purchases or sales
        of such securities; (iii) any tender offer for the securities of a Canadian
        issuer with respect to which filings are made by the Filer with the Commission
        on Schedule 13E-4F, 14D-1F or 14D-9F; or (iv) the securities in relation
        to which the Filer acts as trustee pursuant to an exemption under Rule
        10a-5 under the Trust Indenture Act of 1939. The Filer stipulates and
        agrees that any such civil suit or action or administrative proceeding
        may be commenced by the service of process upon, and that service of an
        administrative subpoena shall be effected by service upon such agent for
        service of process, and that service as aforesaid shall be taken and held
        in all courts and administrative tribunals to be valid and binding as
        if personal service thereof had been made.
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|F. | Each person filing this Form in connection with:                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      
|   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
|   | (a) the use of Form F-9, F-10, 40-F,
        or SB-2 or Schedule 13K-4F, 14D-1F or 14D-9F stipulates and agrees to
        appoint a successor agent for service of process and file an amended Form
        F-X if the Filer discharges the Agent or the Agent is unwilling or unable
        to accept service on behalf of the Filer at any time until six years have
        elapsed from the date the issuer of the securities to which such Forms
        and Schedules relate has ceased reporting under the Exchange Act;                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     
|   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
|   | (b) the use of Form F-8, Form F-80 or
        Form CB stipulates and agrees to appoint a successor agent for service
        of process and file an amended Form F-X if the Filer discharges the Agent
        or the Agent is unwilling or unable to accept service on behalf of the
        Filer at any time until six years have elapsed from the effective date
        of the latest Amendment to such Form F-8, Form F-80 or Form CB;                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          
|   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       
|   | (c)   its status as trustee with
        respect to securities registered on Form F-7, F-8, F-9, F-10, F-80, or
        SB-2 stipulates and agrees to appoint a successor agent for service of
        process and file an amended Form F-X if the Filer discharges the Agent
        or the Agent is unwilling or unable to accept service on behalf of the
        Filer at any time during which any of the securities subject to the indenture
        remain outstanding; and                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    

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|   | (d) the use of Form 1-A or other Commission form
        for an offering pursuant to Regulation A stipulates and agrees to appoint
        a successor agent for service of process and file an amended Form F-X
        if the Filer discharges the Agent or the Agent is unwilling or unable
        to accept service on behalf of the Filer at any time until six years have
        elapsed from the date of the last sale of securities in reliance upon
        the Regulation A exemption.                                                                                                                                                                                             
|-- | -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|  
|   | Each filer further undertakes to advise the Commission
        promptly of any change to the Agent's name and address during the applicable
        period by amendment of this Form, referencing the file number of the relevant
        form in conjunction with which the amendment is being filed.                                                                                                                                                                                                                                                                                                                                                                                         
|  
|G. | Each person filing this Form, other than a trustee
        filing in accordance with General Instruction I.(e) of this Form, undertakes
        to make available, in person or by telephone, representatives to respond
        to inquiries made by the Commission staff, and to furnish promptly, when
        requested to do so by the Commission staff, information relating to: the
        Forms, Schedules, and offering statements described in General Instructions
        I.(a), I.(b), I.(c), I.(d) and I.(f) of this Form, as applicable; the
        securities to which such Forms, Schedules and offering statements relate;
        and the transactions in such securities.
|  
|   | The Filer certifies that it has duly caused this
        power of attorney, consent, stipulation and agreement to be signed on
        its behalf by the undersigned, thereunto duly authorized, in the City
        of Calgary, Province of Alberta, Canada, this 24th day of March, 2005.                                                                                                                                                                                                                                                                                                                                                                                                    

| | Filer: | TRANSGLOBE ENERGY CORPORATION        
| | ------ | -------------------------------------
| |        |                                      
| |        |                                      
| |        |                                      
| | By:    | /s/ ROSS G. CLARKSON                 
| |        | Ross G. Clarkson                     
| |        | Chief Executive Officer and President

This statement has been signed by the following person in
  the capacity and on the date indicated.

|John L. Mericle, as Agent for Service of Process. |                            
|------------------------------------------------- | ---------------------------
|                                                  |                            
|                                                  |                            
|By:                                               | /s/ JOHN L. MERICLE        
|                                                  | Name: John L. Mericle, Esq.
|                                                  |                            
|                                                  | Date: March 29, 2005       

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