X0202 3 2007-12-28 0 0000709804 ADAPTEC INC ADPT 0001422280 Steel Partners II Master Fund L.P. MORGAN STANLEY FUND SERVICES LTD CRICKET SQ FL2 BOUNDARY HALL HUTCHINS DR BOX 2681 GRAND CAYMAN KY1-1111 0 0 1 0 0001422282 Steel Partners LLC 590 MADISON AVENUE 32ND FLOOR NEW YORK NY 10022 0 0 1 0 Common Stock, $.001 Par Value 18159884 I By Steel Partners II, L.P. This Form 3 is being filed due to a reorganization of Steel Partners II, L.P. ("Steel Partners II") and its affiliates, as a result of which Steel Partners II Master Fund L.P. ("Steel Master") and Steel Partners LLC ("Partners LLC") may now be deemed to beneficially own securities of the Issuer owned by Steel Partners II. The securities reported in this Form 3 are owned directly by Steel Partners II, and owned indirectly by Steel Master by virtue of it being the sole limited partner of Steel Partners II and by Partners LLC by virtue of it being the investment manager of Steel Partners II. The securities reported in this Form 3 continue to be owned indirectly by Steel Partners II GP LLC (formerly Steel Partners, L.L.C.) and Warren Lichtenstein, each of whom previously jointly filed with Steel Partners II Section 16 filings with respect to securities of the Issuer owned directly by Steel Partners II. Steel Master and Partners LLC disclaim beneficial ownership of the securities owned by Steel Partners II except to the extent of their pecuniary interest therein. By: Steel Partners II Master Fund L.P., By: Steel Partners II GP LLC, General Partner, By: /s/ Lauren Isenman, as Attorney In Fact for Warren G. Lichtenstein, Managing Member 2007-12-31 By: Steel Partners LLC, By: /s/ Lauren Isenman, as Attorney In Fact for Warren G. Lichtenstein, Manager 2007-12-31