================================================================================

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

                                   ----------

                                    FORM 8-K

                                 CURRENT REPORT

                       Pursuant to Section 13 or 15(d) of
                       the Securities Exchange Act of 1934

                                 Date of Report
                                February 9, 2005
                        (Date of earliest event reported)

                              ULTRA PETROLEUM CORP.
             (Exact name of registrant as specified in its charter)

    Yukon Territory, Canada             0-29370                   N/A
(State or other jurisdiction of     (Commission File        (I.R.S. Employer
incorporation or organization)          Number)          Identification Number)

                     6801 Greenspoint Park Drive, Suite 370
                              Houston, Texas 77060
          (Address of principal executive offices, including zip code)

                                 (281) 876-0120
              (Registrant's telephone number, including area code)

Check  the  appropriate  box  below  if the  Form  8-K  filing  is  intended  to
simultaneously  satisfy the filing obligation of the registrant under any of the
following provisions (see General Instruction A.2. below):

[_]   Written  communications  pursuant to Rule 425 under the Securities Act (17
      CFR 230.425)
[X]   Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
      240.14a-12)
[_]   Pre-commencement  communications  pursuant  to  Rule  14d-2(b)  under  the
      Exchange Act (17 CFR 240.14d-2(b))
[_]   Pre-commencement  communications  pursuant  to  Rule  13e-4(c)  under  the
      Exchange Act (17 CFR 240.13e-4(c))

================================================================================




           Section 2 -- Results of Operations and Financial Condition

Item 2.02. Results of Operations and Financial Condition

      The  following  information  is  being  furnished  pursuant  to Item  2.02
"Results of Operations  and  Financial  Condition,"  not filed,  for purposes of
Section 18 of the  Securities  Exchange Act of 1934,  as amended (the  "Exchange
Act").  This information  shall not be deemed "filed" for purposes of Section 18
of the  Exchange  Act or  incorporated  by  reference  in any  filing  under the
Securities  Act of 1933,  as amended,  or the Exchange  Act,  except as shall be
expressly set forth by specific reference in such filing.

      On February 9, 2005, Ultra Petroleum  Corporation issued the press release
attached as Exhibit 99.1 providing information regarding the company's operating
results for the twelve-month period ended December 31, 2004.

                            Section 8 -- Other Events

Item 8.01. Other Events

      On February 9, 2005, Ultra Petroleum  Corporation issued the press release
attached as Exhibit 99.1announcing the approval by its board of directors of the
splitting  of the common  shares of Ultra  Petroleum  Corp.  on a 2 for 1 basis,
subject to a vote by the  shareholders  at the  upcoming  Extraordinary  General
Meeting on April 29th.

      The information  contained in Exhibit 99.1 is only being "filed"  pursuant
to this Item  8.01 to the  extent  required  to comply  with  Exchange  Act Rule
14a-12.  Therefore,  the  paragraphs  reproduced  below are the only portions of
Exhibit  99.1 that are being  "filed" for purposes of Section 18 of the Exchange
Act.

            The board also  approved the splitting of the common shares of Ultra
      Petroleum Corp. on a 2 for 1 basis,  subject to a vote by the shareholders
      at the upcoming Extraordinary General Meeting on April 29th.

            We intend to file a proxy  statement in connection with the approval
      of the stock split described in this press release.  Our  shareholders are
      urged to read the proxy  statement  when it becomes  available  because it
      will contain important  information about us and the proposed stock split.
      Our  shareholders may obtain a free copy of the proxy statement when it is
      available  and other  documents  filed by us with the SEC at the SEC's web
      site at  www.sec.gov.  A free copy of the proxy  statement when it becomes
      available  may also be obtained  from us by written or oral request at 363
      North  Sam  Houston  Parkway  East,  Suite  1200,  Houston,   Texas  77060
      Attention: Corporate Secretary, telephone number (281) 876-0120.

            We  and  our  directors  may be  deemed  to be  participants  in the
      solicitation of proxies from our shareholders with respect to the proposed
      stock split.  Information  about our directors and their  ownership of our
      shares is set forth in our Proxy  Statement on Schedule 14A filed with the
      Securities and Exchange  Commission on April 21, 2004. A free copy of this
      document  may be  obtained  from  the SEC or us as  indicated  above.  Our
      shareholders may obtain additional  information regarding the interests of
      such  directors,  if any, in the proposed stock split by reading the proxy
      statement when it becomes available.

                 Section 9 -- Financial Statements and Exhibits

Item 9.01. Financial Statements and Exhibits

      (c) Exhibits

      Exhibit Number                        Title of Document
      --------------               ---------------------------------------------

          99.1                     Press release dated February 9, 2005


                                       1


                                   SIGNATURES

      Pursuant to the  requirements of the Securities  Exchange Act of 1934, the
registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned hereunto duly authorized.

                                               ULTRA PETROLEUM CORPORATION

February 9, 2005                              By: /s/ David Russell
                                                  -----------------------
                                                  David Russell
                                                  Director of Investor Relations


                                       2



                                  Exhibit Index

Exhibit Number                        Title of Document
--------------               ---------------------------------------------

    99.1                     Press release dated February 9, 2005


                                       3