UNDERWRITING AGREEMENT 3,500,000 Shares Carrizo Oil & Gas, Inc. Common Stock ($.01 Par Value)Underwriting Agreement • December 13th, 2010 • Carrizo Oil & Gas Inc • Crude petroleum & natural gas • New York
Carrizo Oil & Gas, Inc., a Texas corporation (the “Issuer”), proposes to sell to Credit Suisse Securities (USA) LLC (the “Underwriter”) an aggregate of 3,500,000 (the “Firm Securities”) shares of the Issuer’s common stock, $0.01 par value per share (the “Common Stock”). The Issuer also proposes to sell to the Underwriter at the Underwriter’s option an aggregate of up to 475,000 additional shares of the Common Stock (the “Option Securities”) as set forth below.
