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Mitsubishi Files Patent Infringement Complaint Against SanDisk Subsidiary In Japan

2000年 4月 2日

SUNNYVALE, CA, April 2, 2000 - SanDisk Corporation (NASDAQ:SNDK) announced today that Mitsubishi Denki Co. Ltd. (Mitsubishi Electric) has filed a complaint in Tokyo District Court against SanDisk K.K., SanDisk's wholly-owned subsidiary in Japan. The complaint alleges that SanDisk K.K., based in Yokohama, Japan, infringes on three Mitsubishi Japanese patents. In the complaint, Mitsubishi asked the court for a preliminary injunction halting the sale of SanDisk CompactFlash™ and flash ATA™ memory cards in Japan.

Eli Harari, CEO and president of SanDisk Corp., said, "SanDisk has been engaged in patent cross-license discussions with Mitsubishi Electric. We believe that Mitsubishi Electric's latest action is intended to secure for them a cross-license for our valuable portfolio of patents. We intend to vigorously defend our intellectual property rights."

The Mitsubishi patents in question are #JP2099342, #JP2129071 and #JP2138047. Based on preliminary information, SanDisk believes that these patents are related primarily to the mechanical construction of memory cards built with a separate connector.

SanDisk Corporation, the world's largest supplier of flash data storage products, designs, manufactures and markets industry-standard, solid-state data, digital imaging and audio storage products using its patented, high density flash memory and controller technology. SanDisk is based in Sunnyvale, CA.

The matters discussed in this news release contain forward looking statements that are subject to certain risks and uncertainties as described under the caption "Factors That May Affect Future Results" in the company's annual report on Form 10-K and quarterly reports on Form 10-Q, filed with the Securities and Exchange Commission. The company assumes no obligation to update the information in this release.

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