HispanicBusiness

Conference Call Reminder
Carrizo will hold a conference call to discuss 2012 fourth quarter and full year financial results on Tuesday, February 26, 2013 at 10:00 AM Central Standard Time. Carrizo plans to issue a financial results press release prior to the market opening on Tuesday, February 26, 2013.

Conference Call

Date & Time:
Tuesday, February 26 at 10:00 AM CST

Dial-In Number:
(800) 670 - 5957 (U.S. & Canada)
+1 (303) 223 - 2680 (Intl./Local)

Telephone Replay Number:
(800) 633 - 8284 (U.S. & Canada)

+1 (402) 977 - 9140 (Intl./Local)

Enter Replay Reservation #: 21647863 for U.S., Canadian and International callers.

The replay will be available through Tuesday, March 5, 2013 at 11:59 AM CST.

A simultaneous webcast of the call may be accessed over the internet at http://www.investorcalendar.com/IC/CEPage.asp?ID=170543 or by visiting our website at http://www.crzo.net clicking on "Investor Relations" and then clicking on "2012 Fourth Quarter Conference Call Webcast". To listen, please go to either website in time to register and install any necessary software. The webcast will be archived for replay on the Carrizo website for 15 days.

About the Company
Carrizo Oil & Gas, Inc. is a Houston-based energy company actively engaged in the exploration, development, and production of oil and gas from resource plays located in the United States. 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 the Utica Shale in Ohio.

Statements in this release, including but not limited to those relating to reserves, our ability to develop, explore for, acquire and replace oil and gas reserves and sustain production, timing and levels of production, the uncertainties inherent in projecting future rates of production for our wells and the extent to which actual production differs from estimated proved oil and gas reserves, sales transactions (including effects thereof), the volatility of commodity prices for oil, NGLs and natural gas, our ability to sell the production at reasonable prices, our ability to generate profits or achieve targeted reserves in our development and exploratory drilling activities, our ability to contract for drilling rigs, supplies and services at reasonable costs, development and capital spending plans, drilling and completion schedules, plans for development in emerging resource plays, guidance, funding sources, the Company's or management's intentions, beliefs, expectations, hopes, projections, assessment of risks, estimations, plans or predictions for the future, results of the Company's strategies, timing of completion and drilling of wells, location and manner of drilling, completion and pipeline connections and other statements that are not historical facts are forward looking statements that are based on current expectations. Although the Company believes that its expectations are based on reasonable assumptions, it can give no assurance that these expectations will prove correct. Important factors that could cause actual results to differ materially from those in the forward looking statements include market and other conditions, capital needs and uses, regulatory changes, permitting, commodity price changes, effects of the global economy on exploration activity, dependence on exploratory drilling activities, operating risks, land issues, availability of capital and equipment, actions by governmental authorities, industry partners and other third parties, weather and other risks described in the Company's Form 10-K for the year ended December 31, 2011 and its other filings with the U.S. Securities and Exchange Commission.