Carrizo Oil & Gas, Inc. (NASDAQ: CRZO) announced that it has commenced an underwritten public offering, subject to market and other conditions, of $250 million aggregate principal amount of senior notes due 2020 under its existing shelf registration statement.

Carrizo intends to use the net proceeds from the proposed offering to repay borrowings outstanding under the Company's senior secured revolving credit facility and for general corporate purposes.

In connection with the notes offering, RBC Capital Markets, LLC, Wells Fargo Securities, LLC, and Credit Suisse Securities (USA) LLC are acting as joint book-running managers; SG Americas Securities, LLC, Capital One Southcoast, Inc. and Credit Agricole Securities (USA) Inc. are acting as senior co-managers; and Global Hunter Securities, LLC and Mitsubishi UFJ Securities (USA), Inc. are acting as co-managers.