Carrizo Oil & Gas, Inc. UNDERWRITING AGREEMENTUnderwriting Agreement • September 7th, 2012 • Carrizo Oil & Gas Inc • Crude petroleum & natural gas • New York
Carrizo Oil & Gas, Inc., a Texas corporation (the “Company”), proposes to issue and sell to the several underwriters listed on Schedule A hereto (the “Underwriters”), for whom you are acting as representatives (the “Representatives”), $300,000,000 million principal amount of its 7.50% Senior Notes due 2020 (the “Offered Securities”). The Offered Securities will be issued under a Senior Indenture, dated as of May 28, 2008 (the “Base Indenture”),as supplemented the Tenth Supplemental Indenture thereto dated as of the Closing Date (collectively, the “Indenture”), among the Company, the subsidiary guarantors named therein and Wells Fargo Bank, National Association, as Trustee. The Offered Securities will be unconditionally guaranteed as to the payment of principal and interest by Bandelier Pipeline Holding, LLC, Carrizo (Eagle Ford) LLC, Carrizo (Marcellus) LLC, Carrizo (Marcellus) WV LLC, Carrizo Marcellus Holding Inc., Carrizo (Niobrara) LLC, CLLR, Inc., Hondo Pipeline, Inc. and Mescaler
