FREMONT, Calif.--(BUSINESS WIRE)--April 29, 2004--In the case involving SanDisk Corporation (Nasdaq:SNDK) and Pretec Electronics Corporation, the United States District Court for the Northern District of California granted defendant Pretec's motion for summary judgment of non-infringement on April 20, 2004. In its order, the court found that the accused Pretec CompactFlash(TM) (CF) memory cards did not infringe on SanDisk's patent, United States Patent No. 5,602,987 ("Flash EEPROM system", "'987 Patent").

In March 1998, SanDisk sued Lexar in the Northern District Court of California alleging that Lexar's CompactFlash(TM) and PC Cards infringe SanDisk's '987 Patent, and in September 2000, a court order already obtained by SanDisk which holds that all of Lexar's current CompactFlash(TM) and PC cards contributorily infringe on a SanDisk '987 Patent. Subsequently SanDisk and Lexar has settled the patent disputes in November 2000, in which Lexar has stipulated that SanDisk's '987 Patent is valid and infringed by Lexar's current CompactFlash(TM) and PC Cards ( http://www.lexarmedia.com/dynamic-frameset_about.html?http://www.lexarmedia.com/newsroom/press_releases.html ) (Due to the length of this URL, it may be necessary to copy and paste this hyperlink into your Internet browser's URL address field. You may also need to remove an extra space in the URL if one exists.).

On October 20, 2001, SanDisk filed a complaint in the United States District Court for the Northern District of California against Memorex and Pretec Electronics Corp., alleging infringement of '987 Patent, SanDisk seeks to stop the defendants from making, selling or offering for sale products pertaining to the configuration technology in '987 Patent issued on February 11, 1997. Pretec has denied the claims brought against it and has defended vigorously to its conclusion.

About Pretec
Pretec(TM) Electronics Corp. (http://www.pretec.com) offers a complete spectrum of small form factor memory cards and card readers such as ATA/CF card, IDE & Mini-IDE Flash Drive (MIDE.), SmartMedia(TM), MultiMedia Card(TM), and SD Card for the digital imaging, mobile computing, and Military/Industrial Control markets; and is the creator of Innovative CompactI/O(TM) cards for PocketPC(TM), digital cameras and many IA devices. Pretec has consistently demonstrated the highest capacity CF cards in the world; such as 80MB, 128MB, 160MB, 320MB, 640MB, 1.5GB, 2GB, 3GB, 6GB, and 12GB CF card at various locations around the world for the past five years.

*Note: MIDE., CompactI/O., CompactModem., CompactLAN and Whanto are trademarks of Pretec Electronics Corporation. PocketPC is trademark of Microsoft Corporation. All other trademarks mentioned herein are recognized as the property of their respective holders.