CRZO Carrizo Oil and Gas Inc

Carrizo Oil & Gas, Inc. (NASDAQ: CRZO) will make a presentation at EnerCom's "The Oil and Gas Conference" on Tuesday, August 24, 2010 at 3:35 PM MDT.

A webcast of the presentation can be accessed over the internet by clicking on http://www.investorcalendar.com/CEPage.asp?ID=161170 or by visiting the company website at http://www.crzo.net/, clicking on "Investor Relations" and then clicking on "EnerCom Denver 8/24/10." The presentation will be webcast live beginning at 3:35 PM MDT on Tuesday, August 24, 2010. The presentation slide book will be available on the website coincident with Carrizo's conference presentation.

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, the Niobrara Formation in Colorado, the Eagleford Shale in South Texas, 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