THE CORPORATE LIBRARY

Related Party Transactions and Outside Related Director Information

TETRA Technologies, Inc. (TTI)

3/29/2006 Proxy Information

From April 1996 to January 2000, Mr. McInnes was Chief Executive Officer and President of TETRA Technologies, Inc.

Mr. J. Taft Symonds, our Chairman of the Board, is a Director of Plains All American GP LLC, which is the general partner of Plains All American Pipeline LP (“Plains All American”), and is a member of its audit committee. During 2005, our subsidiary, Maritech, sold production from its oil and gas properties to Plains Marketing, L.P., a subsidiary of Plains All American. The purchase price paid by Plains Marketing was approximately $13.0 million. The production was sold in the ordinary course of business and the price paid was based on posted commodity prices. Mr. Symonds is not, and was not during 2005, an officer of Plains All American GP LLC, Plains All American or Plains Marketing, and does not participate in operational decisions concerning our selection of production purchasers.

3/30/2005 Proxy Information

Mr. J. Taft Symonds, our Chairman of the Board, is a Director of Plains All American GP LLC, which is the general partner of Plains All American Pipeline LP (“Plains All American”), and is a member of its audit committee. During 2004, our subsidiary, Maritech, sold production from its oil and gas properties to Plains Marketing, L.P., a subsidiary of Plains All American. The purchase price paid by Plains Marketing was approximately $11 million. The production was sold in the ordinary course of business and the price paid was based on posted commodity prices. Mr. Symonds is not and was not during 2004 an officer of Plains All American GP LLC, Plains All American or Plains Marketing, and does not participate in operational decisions concerning our selection of production purchasers.

Mr. McInnes served as President and Chief Executive Officer of TETRA Technologies, Inc. from April 1996 to January 2000.

4/5/2004 Proxy Information

Allen T. McInnes served as President and Chief Executive Officer of TETRA Technologies, Inc. from April 1996 to January 2000.

4/11/2003 Proxy Information

No related party transactions or special relationships reported for this company. Director relationships marked "Outside Related" at this firm will most often be former executives of the company. Additional information regarding these relationships will be added during our regular updates.