Carrizo Oil & Gas, Inc. Announces Conference Call for First Quarter 2008 Financial Results

HOUSTON, May 2 /PRNewswire-FirstCall/ -- Carrizo Oil & Gas, Inc. NASDAQ: CRZO will hold a conference call to discuss 2008 first quarter financial results on Thursday, May 8, 2008 at 10:00 AM Central Daylight Time. Carrizo plans to issue an earnings press release prior to the market opening on Thursday, May 8, 2008.

    (Logo:  http://www.newscom.com/cgi-bin/prnh/20030523/CRZOLOGO)

    Date & Time:                Thursday, May 8 at 10:00 AM Central
                                Daylight Time

    Dial-In Number:             (800) 917-9975 (U.S. & Canada)

                                (212) 231-2905 (Intl./Local)

    Telephone Replay Number:    800-633-8284 (U.S. & Canada)

                                402-977-9140 (Intl./Local)

    Enter Replay Reservation #: 21382273 for U.S., Canadian and
                                International callers.

    Replay available through Thursday, May 15, 2008 at 11:59 AM Central
                                Daylight Time

Carrizo Oil & Gas, Inc. is a Houston-based energy company actively engaged in the exploration, development, exploitation and production of oil and natural gas primarily in proven trends in the Barnett Shale area in North Texas and along the onshore Texas and Louisiana Gulf Coast regions. Carrizo is also engaged in exploration activities in the UK North Sea. Carrizo controls significant prospective acreage blocks and utilizes advanced 3-D seismic techniques to identify potential oil and gas reserves and drilling opportunities.

     Contact:  Carrizo Oil & Gas, Inc.
               B. Allen Connell, Director of Investor Relations
               Paul F. Boling, Chief Financial Officer
               (713) 328-1000