CRZO Presentation

[dan_s]

HOUSTON, June 18, 2012 - Carrizo Oil & Gas, Inc. (Nasdaq: CRZO) will make a
presentation at the GHS100 Energy Conference in San Francisco on Monday June 25, 2012 at
10:00 AM PDT.
The presentation will be webcast live and can be accessed at http://wsw.com/webcast/ghs3/crzo/ or
by visiting the Carrizo website at http://www.crzo.net/, clicking on the “Investor Relations” tab
and then on “GHS100 2012 presentation.” The live webcast will begin at 10:00 AM PDT (12:00
PM CDT) on Monday June 25, 2012 and will be archived for 90 days at both locations. The
presentation slide book will be posted to the Carrizo website coincident with Carrizo’s
conference presentation.
Carrizo Oil & Gas, Inc. is a Houston-based energy company actively engaged in the exploration,
development, and production of oil and gas primarily in the United States and United Kingdom.
Our current operations are principally focused in proven, producing oil and gas plays primarily
in the Eagle Ford Shale in South Texas, the Niobrara Formation in Colorado, the Barnett Shale in
North Texas, the Marcellus Shale in Pennsylvania and West Virginia, and the U.K. North Sea
where our Huntington Field project is currently under development.