Carrizo Oil & Gas, Inc. to Make Presentation at the Johnson Rice Energy Conference in New Orleans

Carrizo Oil & Gas, Inc. to Make Presentation at the Johnson Rice Energy
Conference in New Orleans

HOUSTON, Oct. 5 /PRNewswire-FirstCall/ -- Carrizo Oil & Gas, Inc. (Nasdaq:
CRZO) announced today that the Company's Chief Operating Officer, Brad Fisher,
will make a presentation at the Johnson Rice Energy Conference on October 7,
2009 at 8:30 AM CDT.

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

The presentation will not be webcast. A copy of the presentation slide book
will be available on the Carrizo website coincident with the conference
presentation. Access the slides by visiting http://www.crzo.net/, clicking on
"Investor Relations" and then clicking on "Johnson Rice Presentation 10/7/09."

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.

Richard Hunter, Vice President of Investor Relations, or Paul F. Boling, Chief
Financial Officer, both of Carrizo Oil & Gas, Inc., +1-713-328-1000