Carrizo Oil & Gas Appoints New VP of Exploration

Carrizo Oil & Gas reports that Thomas L. Carter, Jr. has been appointed as a Director of the Company and that Gregory E. Evans has joined the Company as Vice President of Exploration.

Thomas L. Carter, Jr. is President, Chief Executive Officer and a founder of Black Stone Minerals Company, L.P ("Black Stone"). Prior to the formation of Black Stone, Mr. Carter served as Managing General Partner of several predecessor entities to Black Stone, including W.T. Carter & Bro (1987-1992) and Black Stone Energy Company (1980-Present). W.T. Carter & Bro was a family partnership that has owned timber and mineral interests in East Texas since the late nineteenth century. In 1980, Mr. Carter founded Black Stone Energy Company ("BSEC"). As President of BSEC (Black Stone's operating and exploration arm), Mr. Carter, along with many other participants, was also involved in the Double A Wells field discovery. Mr. Carter holds M.B.A. and B.B.A degrees from the University of Texas at Austin, and he currently sits on the boards of The Lawrenceville School, Episcopal High School and the Ripley Foundation.

Prior to joining Carrizo, Gregory E. Evans was Vice President North America Onshore Exploration for Ocean Energy from 2001 to 2003. Prior to that time, he spent 19 years at Burlington Resources where he served as Chief Geophysicist North America during 1999-2000, Gulf of Mexico Deep Water Exploration Manager during 1998-1999 and Geoscience Manager for the Western Gulf of Mexico Shelf during 1996-1998. Between 1982-1996, Mr. Evans held various other technical and managerial positions with Burlington Resources, including Division Exploration Manager of both the Rocky Mountain Region as well as the Gulf Coast region. Mr. Evans received a B. S. in Geophysical Engineering from the Colorado School of Mines receiving the Cecil H. Green award for outstanding geophysical student. Gregg replaces Jeremy T. Greene who has left Carrizo to accept a position with a private exploration company.