Carrizo Oil & Gas, Inc. To Make Presentation at the Pritchard Capital Partners One On One Conference in New York

HOUSTON, Oct. 9 /PRNewswire-FirstCall/ — Carrizo Oil & Gas, Inc. will make a presentation at the Pritchard Capital Partners One On One Conference in New York.

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

The conference is not being webcast, however a visual copy of the presentation can be accessed on the Company website, http://www.crzo.net/, clicking on “Links” and then clicking on “Pritchard Capital Partners One On One Conference 10/10/07″ (visual only). The presentation will be available on user controlled Power Point slides prior to the market opening on Wednesday, October 10, 2007.

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 onshore trends along the Texas and Louisiana Gulf Coast regions and the Barnett Shale area in North Texas. 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  

Photo: NewsCom: http://www.newscom.com/cgi-bin/prnh/20030523/CRZOLOGOAP Archive: http://photoarchive.ap.org/PRN Photo Desk, photodesk@prnewswire.com

Carrizo Oil & Gas, Inc.

CONTACT: B. Allen Connell, Director of Investor Relations, or Paul F.Boling, Chief Financial Officer, both of Carrizo Oil & Gas, Inc., +1-713-328-1000

Web site: http://www.crzo.net/