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 (Date of earliest event reported):  February 12, 2010

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

Yukon Territory, Canada
001-33614
N/A
(State or other jurisdiction
(Commission File Number 001-33614)
(I.R.S. Employer
of incorporation)
  
Identification No.)

363 N. Sam Houston Parkway East
Suite 1200
Houston, Texas  77060
(Address of principal executive offices, including zip code)

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

(Former name or former address, if changed since last report.)

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:

 
¨
 Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
 
¨
 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))
 
 
 

Item 8.01.
Other Events

Ultra Petroleum Corp. (the “Company”) issued a news release today announcing the Company’s 2009 proved reserves.  The press release is attached to this Report as Exhibit 99.1.

Item 9.01.
Financial Statements and Exhibits

 
(d)
Exhibits

 
Exhibit No.
  
Description
 
99.1
  
News Release dated February 12, 2010.

 
 

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 CORP.
   
February 12, 2010
By:  /s/ Kelly L. Whitley
 
Name: Kelly L. Whitley
 
Title:   Corporate Secretary

 
 

EXHIBIT INDEX

Exhibit No.
  
Description
     
99.1
  
News Release dated February 12, 2010