UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

(Rule 14a-101)

INFORMATION REQUIRED IN PROXY STATEMENT

Proxy Statement Pursuant to Section 14(a) of
the Securities Exchange Act of 1934 (Amendment No.     )

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Soliciting Material Pursuant to §240.14a-12

ADAPTEC, INC.

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(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

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Nature of Services

For the year ended
March 31, 2004

Tax

Tax Compliance

802,000

Other Tax

82,500