EXHIBIT 32.2


                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002



In connection with the Quarterly Report of Ultra Petroleum Corp. (the "Company")
on Form 10-Q for the period ended September 30, 2003, as filed with the
Securities and Exchange Commission on the date hereof (the "Report"), I, F. Fox
Benton III, Chief Financial Officer of the Company, certify, pursuant to 18
U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley
Act of 2002, to the best of my knowledge, that:


(1)    The Report fully complies with the  requirements  of Section 13(a) or
       15(d) of the  Securities  Exchange Act of 1934; and


(2)    The information contained in the Report fairly presents, in all material
       respects, the financial condition and results of operations of the
       Company.




Date:  November 12, 2003                 By:
       -----------------                     ----------------------------------
                                             F. Fox Benton
                                             Chief Financial Officer

This certification is being furnished solely for purposes of compliance with 18
U.S.C. Section 1350 and shall not be deemed "filed" for purposes of Section 18
of the Securities Exchange Act of 1934, as amended, or otherwise subject to the
liabilities of that Section. Registration Statements or other documents filed
with the Securities and Exchange Commission shall not incorporate this exhibit
by reference, except as otherwise expressly stated in such filing.

A signed original of this written statement required by Section 906 has been
provided to Ultra Petroleum Corp. and will be retained by Ultra Petroleum Corp.
and furnished to the Securities and Exchange Commission or its staff upon
request.