SUNNYVALE, CA, Oct. 15, 2001 - SanDisk Corporation (NASDAQ:SNDK) announced today that it has filed a complaint in federal court against Micron Technology, Inc., Boise, ID, for infringement of a fundamental solid state flash memory system patent held by SanDisk. The action was filed in
the United States District Court for the Northern District of California.

The patent, "Flash EEPROM System" (U.S. patent 6,149,316), was issued on November 21, 2000. SanDisk, a pioneering technology company in the flash memory market, holds more than 150 related patents.

Charles Van Orden, general counsel for SanDisk, said, "We believe Micron is using SanDisk's patented technology in an attempt to unfairly capitalize upon the innovations and advancements developed by SanDisk. SanDisk intends to vigorously investigate and prosecute unlicensed companies that improperly use SanDisk's patented technology."

SanDisk, 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," specifically, the section entitled "Risks associated with Patents, Proprietary Rights and Related Litigation," 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 companies assume no obligation to update the information in this release.

SanDisk's web site/home page address: http://www.sandisk.com
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