CLIENT REFERENCES

Mr. John Frere
Anadarko Petroleum Corporation
1201 Lake Robbins Drive
The Woodlands, Texas 77251
826.636.7206
John_Frere@anadarko.com

Ms. Elizabeth Sampson
Baker Botts LLP
One Shell Plaza
910 Louisiana
Houston, Texas 77002
713.229.1234
Elizabeth.Sampson@bakerbotts.com

Ms. Pam Briscoe
BHP Billiton
1360 Post Oak Blvd., Suite 4100
Houston, Texas 77056
713.961.8550
pam.l.briscoe@bhpbilliton.com

Ms. Chris Allen
Cameron
1333 West Loop South, Suite 1700
Houston, Texas 77027
713.513.3312
chris.allen@c-a-m.com

Ms. Linda Natale Acosta
EOG Resources Inc.
33 Clay Street, Suite 4200
Houston, Texas 77002
713.651.6500
Linda_Acosta@eogresources.com

Mr. David Sanderson
DLA Piper, LLP
203 North LaSalle St., Suite 1900
Chicago, Illinois 60601
312.984.5925
David. Sanderson@dlapiper.com

Mr. John Armstrong
The Planet
315 Capital, Suite 250
Houston, Texas 77002
281.668.1297
jarmstrong@theplanet.com

Ms. Christy Chickering
Sirius Solutions
3700 Buffalo Speedway, Suite 1100
Houston, Texas 77098
713.888.0236
kchickering@sirsol.com

Ms. Nancy Rader
McDermott Will & Emery
1000 Louisiana Street, Suite 3900
Houston, Texas 77002
713.653.1700
Nrader@mwe.com