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CUSIP No. 888266103 13-G Page 7 of 8 Pages
EXHIBIT 1 TO SCHEDULE 13G
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APRIL 10, 2000
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MORGAN STANLEY DEAN WITTER & CO. and MORGAN STANLEY DEAN WITTER
INVESTMENT MANAGEMENT INC. hereby agree that, unless
differentiated, this Schedule 13G is filed on behalf of each of
the parties.
MORGAN STANLEY DEAN WITTER & CO.
BY: /s/ Dennine Bullard
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Dennine Bullard / Morgan Stanley & Co. Incorporated
MILLER ANDERSON & SHERRERD, LLP
BY: /s/ Paul A. Frick
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Paul A. Frick / Vice President Miller Anderson & Sherrerd, LLP
* Attention. Intentional misstatements or omissions of fact constitute federal
criminal violations (see 18 U.S.C. 1001).
