X0203 3 2010-03-08 0 0000855906 SILICON STORAGE TECHNOLOGY INC SSTI 0000827054 MICROCHIP TECHNOLOGY INC 2355 WEST CHANDLER BOULEVARD CHANDLER AZ 85224-6199 0 0 1 0 Common Stock, no par value 19148149 D In the event that the Agreement and Plan of Merger by and among the Issuer, the Reporting Person and Sun Acquisition Corporation, dated February 2, 2010, as amended, is terminated in accordance with its terms, at any time and from time to time thereafter until September 8, 2011, the Reporting Person has the right, but not the obligation, to require the Issuer to purchase all or any portion of the shares reported on Table I at a price of $3.05 per share. Deborah L. Wussler, as Attorney-in-Fact 2010-03-10