Cornerstone Natural Gas Engineering, L.P.

Registered on January 7, 2005

Legal Name: Cornerstone Natural Gas Engineering, L.P.

Registration Number: 0800437081

State of Formation: TX

Texas SOS Number: 0800437081

Texas Registation Date: 01/07/2005

Texas Taxpayer Number: 32035472375

Right to Do Business in TX: ACTIVE

CORNERSTONE NATURAL GAS ENGINEERING, L.P.
616 TEXAS ST STE 102 FORT WORTH
TX 76102-4663
H. LEE MATTHEWS
616 TEXAS ST.
STE. 102 FORT WORTH
TX 76102