HOUSTON, April 20 /PRNewswire-FirstCall/ -- Carrizo Oil & Gas, Inc. (Nasdaq: CRZO) will make a presentation at the IPAA Oil and Gas Investment Symposium on Wednesday, April 22, 2009.

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

A webcast of the presentation can be accessed on the company website at http://www.crzo.net/, clicking in "Links" and then on "IPAA OGIS New York 4/22/09." The presentation will be webcast live beginning at 9:35 AM EDT on Wednesday, April 22, 2009. The presentation slide book will be available 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 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 including the Marcellus and Fayetteville.

    Contact:  Carrizo Oil & Gas, Inc.
              Richard Hunter, Vice President of Investor Relations
              Paul F. Boling, Chief Financial Officer
              (713) 328-1000

SOURCE Carrizo Oil & Gas, Inc.