U.S. SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                    FORM F-X

                   APPOINTMENT OF AGENT FOR SERVICE OF PROCESS
                                 AND UNDERTAKING

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

                                 Corriente Resources Inc.

B.   This is [check one]:

     [X] an original filing for the Filer.

     [ ] an amended filing for the Filer.

     Check the following box if you are filing the Form F-X in paper in
     accordance with Regulation S-T Rule 101(b)(9) h   [  ]

C.   Identify the filing in conjunction with which this Form is being filed:

     Name of registrant:         CORRIENTE RESOURCES INC.

     Form type:                  Registration Statement on Form 40-F

     File Number (if known):     001-32748

     Filed by:                   CORRIENTE RESOURCES INC.

     Date Filed:                 February 13, 2006
     (if filed concurrently,     (concurrent herewith)
     so indicate)

D.   The Filer is incorporated or organized under the laws of:

                                 British Columbia

     and has its principal place of business at:

                          520 - 800 West Pender Street
                           Vancouver, British Columbia
                                 V6C 2V6 Canada
                                 (604) 687-0449

E.   The Filer designates and appoints:

                              CT Corporation System
                                111 Eighth Avenue
                            New York, New York 10011
                                 (212) 894-8940

as the agent ("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 relates to or
concerns any offering made or purported to be made in connection with the
securities registered or qualified by the Filer on Form 40-F on the date hereof
or any purchases or sales of any security in connection therewith. The Filer
stipulates and agrees that any such civil suit or action or administrative
proceeding may be commenced by the service of process 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.

F.   The Filer 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 Filer has ceased reporting
under the U.S. Securities Exchange Act of 1934. The Filer further undertakes to
advise the Commission promptly of any change of the Agent's name or address
during such period by amendment of this Form, referencing the file number of the
relevant form in conjunction with which the amendment is being filed.

G.   The Filer 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 Form 40-F, the securities to which the Form 40-F relates 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 Vancouver, British Columbia, Canada
on February 13, 2006.



                                         CORRIENTE RESOURCES INC.



                                         By: /S/ DARRYL F. JONES
                                             -----------------------------------
                                             Darryl F. Jones
                                             Chief Financial Officer




         This statement has been signed by the following person in the capacity
indicated on February 13, 2006.


                                         CT CORPORATION SYSTEM
                                         Agent for Service



                                         By: /S/ MICHAEL NEWELL
                                             -----------------------------------
                                         Name:  Michael Newell
                                         Title: Assistant Secretary