(Source: PRNewswire-FirstCall)

HOUSTON, Aug. 6 /PRNewswire-FirstCall/ -- Carrizo Oil & Gas, Inc. will hold a conference call to discuss 2009 second quarter financial results on Monday, August 10, 2009 at 10:00 AM Central Daylight Time. Carrizo plans to issue an earnings press release prior to the market opening on Monday, August 10, 2009.
(Logo: http://www.newscom.com/cgi-bin/prnh/20030523/CRZOLOGO) Date & Time: Monday, August 10 at 10:00 AM Central Daylight Time Dial-In Number: (800) 920-0677 (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 #: 21433554 for U.S., Canadian and International callers. Replay available through Monday, August 17, 2009 at 11:59 AM Central Daylight Time.
A simultaneous webcast of the call may be accessed over the internet at http://www.investorcalendar.com/IC/CEPage.asp?ID=148330 or by visiting our website at http://www.crzo.net/ clicking on "Investor Relations" and then clicking on "2009 Second Quarter Earnings Conference Call Webcast". To listen, please go to either website in time to register and install any necessary software. The webcast will be archived for replay on the Carrizo website for 15 days.
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 the Barnett Shale in North Texas, the Marcellus Shale in Appalachia, and in proven onshore trends along the Texas and Louisiana Gulf Coast regions. Carrizo controls significant prospective acreage blocks and utilizes advanced 3-D seismic techniques to identify potential oil and gas reserves and drilling opportunities. Carrizo also controls large acreage positions in other productive shale resource plays.
Contact: Carrizo Oil & Gas, Inc. Richard Hunter, Vice President of Investor Relations Paul F. Boling, Chief Financial Officer (713) 328-1000
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Carrizo Oil & Gas, Inc.
CONTACT: Richard Hunter, Vice President of Investor Relations, or PaulF. Boling, Chief Financial Officer, both of Carrizo Oil & Gas, Inc.,+1-713-328-1000
Web Site: http://www.crzo.net/
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