Our hard work and dedication unites us toward a common goal of striving daily to create shareholder value.

HOUSTON, May 3, 2012 /PRNewswire/ -- Ultra Petroleum Corp. (NYSE: UPL) announces the following Webcast to discuss its first quarter 2012 financial and operating results:

(Logo: http://photos.prnewswire.com/prnh/20020226/DATU029LOGO)

If you are unable to participate during the live Webcast, the conference call will be archived and can be accessed from Ultra's home page at http://www.ultrapetroleum.com.

About Ultra Petroleum

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 - and is in the ongoing exploration and early development stage in the Appalachian Basin of Pennsylvania - Marcellus Shale. Ultra is listed on the New York Stock Exchange and trades under the ticker symbol "UPL". The company had 152,910,736 shares outstanding on March 31, 2012.

This release can be found at http://www.ultrapetroleum.com

SOURCE Ultra Petroleum Corp.

Kelly L. Whitley, Director, Investor Relations, +1-281-582-6602, or Julie E. Danvers, Manager, Investor Relations, +1-281-582-6604