CONTACT INFORMATION

Carrizo Oil and Gas, Inc.   1000 Louisiana, Houston, Tx. 77002   Suite 1500   General # 713-328-1000

Attn: Cathy Halata LAND TRANSACTIONS - 
For: Sale of mineral rights, estate transactions, official change of address for contract notices, royalty payments, etc.   This is the legal notification address specified in your lease.

               Carrizo Royalty Owner Relations & Help Line   713-358-6490 

            Lease Committee/Royalty Owners Association  2509 Miller Lane, Pantego, Tx. 76013   
Attn: Bob Horak,  Secretary   info@pantego-arlingtonoilandgas.com

For general inquiries, questions regarding lease, and other information. Please note: any official change requires contacting Carrizo in Houston office above.