Webcast Alert: Ultra Petroleum Corp. Invites You to Join Its 2007 Year-End Results Conference Call on the Web

HOUSTON, Feb. 12 /PRNewswire-FirstCall/ -- In conjunction with Ultra Petroleum Corp's 2007 year-end results release, you are invited to listen to its conference call that will be broadcast live over the internet on Wednesday, February 20, 2008 at 11:00 a.m. Eastern Standard Time. Ultra Petroleum Corp. announces the following webcast :

What: Ultra Petroleum Corp.'s 2007 Year-End Results When: February 20, 2008 at 11:00 am Eastern Standard Time Where: http://www.videonewswire.com/event.asp?id=45108 How: Live over the Internet -- Simply log on to the web at the address above or go to the Company's Web site: http://www.ultrapetroleum.com/. Contact: Kelly L. Whitley, Manager Investor Relations at 281-876-0120 x302.

If you are unable to participate during the live webcast, the call will be archived on the Web site http://www.ultrapetroleum.com.

Ultra Petroleum Corp. is an independent exploration and production company focused on developing its long-life natural gas reserves in the Green River Basin of Wyoming -- the Pinedale and Jonah Fields. Ultra is listed on the New York Stock Exchange and trades under the ticker symbol "UPL". The company had 153,071,291 shares outstanding on December 31, 2007. Additional information can be found on the company on the Internet at http://www.ultrapetroleum.com/.