UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A INFORMATION

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934 (Amendment No. ­)

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[ __ ] Preliminary proxy statement.

[ __ ] Confidential, for use of the Commission only (as permitted by Rule 14a-6(e)(2)).

[ __ ] Definitive proxy statement.

[ X ] Definitive additional materials.

[ __ ] Soliciting material under Rule 14a-12.

TETRA TECHNOLOGIES, INC.

(Name of Registrant as Specified in its Charter)

(Name of Person(s) Filing Proxy Statement, if Other Than the Registrant)

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