================================================================================ 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 April 28, 2004 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) (363 North Sam Houston Pkwy, E., Suite 1200., Houston, TX 77060) (281-876-0120) ================================================================================ Item 12. Announcement re earnings conf call 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. [April 28, 2004] By: /s/ David Russell ----------------- David Russell PRESS RELEASE: Webcast Alert: Ultra Petroleum Corp. Announces Its 1st Quarter Earnings Conference Call Webcast [2004-04-28] Webcast Alert: Ultra Petroleum Corp. Announces Its 1st Quarter Earnings Conference Call Webcast HOUSTON, April 20 /PRNewswire-FirstCall/ -- In conjunction with Ultra Petroleum Corp.'s (Amex: UPL) First Quarter Earnings Conference Call, you are invited to listen to its webcast that will be broadcast live over the Internet on Wednesday, April 28, 2004 at 10:30 AM Central. What: Ultra Petroleum Corp.'s First Quarter Earnings Conference Call Webcast When: Wednesday, April 28, 2004 at 10:30 AM Central Where: http://www.firstcallevents.com/service/ajwz405110604gf12.html or www.ultrapetroleum.com How: Live over the Internet -- Simply log on to the web at either of the addresses above Contact: David Russell at 281-876-0120 x 302 If you are unable to participate during the live webcast, the call will be archived at www.ultrapetroleum.com . To access the replay, click on the home page. Ultra Petroleum is an independent, exploration and production company focused on developing its long life natural gas reserves in the Green River Basin of Wyoming, and oil reserves in Bohai Bay, offshore China. Ultra is listed on the American Stock Exchange under the ticker "UPL" with 74,923,168 shares outstanding at the time of this release. (Minimum Requirements to listen to broadcast: The Windows Media Player software, downloadable free from http://www.microsoft.com/windows/windowsmedia/EN/default.asp and at least a 28.8Kbps connection to the Internet. If you experience problems listening to the broadcast, send an email to webcastsupport@tfprn.com .) SOURCE Ultra Petroleum Corp. /CONTACT: David Russell of Ultra Petroleum Corp., +1-281-876-0120 x 302/ /Photo: NewsCom: http://www.newscom.com/cgi-bin/prnh/20020226/DATU029LOGO AP Archive: http://photoarchive.ap.org PRN Photo Desk, photodesk@prnewswire.com / /Web site: http://www.ultrapetroleum.com / /Audio: http://www.firstcallevents.com/service/ajwz405110604gf12.html / (UPL) Dow Jones Newswires 04-28-04 0801ET Copyright (C) 2004 Dow Jones & Company, Inc. All Rights Reserved. Subject Codes: I/OIS, I/XDJGI, N/DJIN, N/DJN, N/DJWB, N/CAC, N/CNF, N/CNW, N/DJWI, N/ERN, N/PRL, N/TPCT, M/ENE, M/NND, M/TPX, R/NME, R/TX, R/US, R/USS Company Codes: UPL ---------- You are receiving this Complimentary Monitoring transmission at no charge, as a benefit of your organization's membership with PR Newswire. If you would like to stop receiving Complimentary Monitoring transmissions, please reply to this email with your request. PR Newswire Association LLC, Distribution Services Department, 810 7th Avenue, New York, NY 10019