DENVER, May 5 /PRNewswire-FirstCall/ -- Gasco Energy, Inc. (Amex: GSX - News) will release its first quarter 2005 financial and operating results and submit its filing on Form 10-Q for the first quarter 2005 on Tuesday, May 10, 2005.

A conference call with investors, analysts and other interested parties is scheduled for 11:00 a.m. EDT on Wednesday, May 11, 2005 to discuss 2005 first quarter financial and operating results. You are invited to listen to the call which will be broadcast live over the Internet at www.gascoenergy.com.

     Date:     Wednesday, May 11, 2005

     Time:     11:00 a.m. EDT
               10:00 a.m. CDT
                9:00 a.m. MDT
                8:00 a.m. PDT

     Call:     (866) 392-4171 (US/Canada) and (706) 634-6345 (International),
               passcode 21330

     Internet: Live and rebroadcast over the Internet:  log on to
               www.gascoenergy.com

     Replay:   Available until Friday, May 13 at (800) 642-1687 (US/Canada)
               and (706) 645-9291 (International) using passcode 21330 and for
               30 days at www.gascoenergy.com

About Gasco Energy

Gasco Energy, Inc. is a Denver-based natural gas and oil exploitation and development company that focuses on natural-gas-rich prospects in the Rocky Mountain area of the United States. The Company currently is active in the Uinta Basin in Utah and controls acreage in the Greater Green River Basin of Wyoming. To learn more, visit www.gascoenergy.com.