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John B. Pegram Andrew T. D'Amico, Jr. DAVIS HOXIE FAITHFULL & HAPGOOD 45 Rockefeller Plaza New York, New York 10111 (212) 757-2200

4 Attorneys for Defendant TANDON CORPORATION

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Salem M. Katsh steven D. Glazer Daniel A. Devito WErt, GOTSHAL & MANGES 767 Fifth Avenue New York, New York 10153 (212) 310-8000

Attorneys for Defendant WESTERN DIGITAL CORPORATION

12 UNITED STATES DISTRICT COURT

NORTHERN DISTRICT OF CALIFORNIA

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) QUANTUM CORPORATION and ) PLUS DEVELOPMENT CORPORATION, )

) Plaintiffs, )

) v. )

) WESTERN DIGITAL CORP., )

) Defendant. )

------------------------------) ) QUANTUM CORPORATION and ) PLUS DEVELOPMENT CORPORATION, )

) Plaintiffs, )

) v. )

) TANDON CORPORATION, )

) Defendant. )

----------------------------)

27 DEFENDANTS' EXHIBITS

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Civil Action Nos. C89-1812 WHO C89-1856 WHO CONSOLIDATED FOR DISCOVERY

DEFENDANTS' EXHIBITS IN OPPOSITION TO MOTION FOR SUMMARY JUDGMEMT