SUNNYVALE, CA — June 4, 2002 — OMNIVISION Technologies, Inc. (Nasdaq: OVTI), a market-leading independent supplier of CMOS CameraChip™ solutions for high-volume imaging applications, will release financial results for the fourth quarter and year ended April 30, 2002 on Tuesday, June 11, 2002. The Company will also hold a teleconference to discuss the financial results and future plans and prospects.

Financial results will be issued before the market open on June 11, followed by a teleconference at 10:00 a.m. PDT (1:00 p.m. EDT). To participate in the teleconference, approximately 10 minutes prior to the start time please call (toll free) (877) 523-2171. For international callers, the dial-in number is (706) 634-1478. You may also listen live via the Internet at the Company’s website, www.ovt.com, or at www.CompanyBoardroom.com.

These websites will host an archive of the teleconference for 30 days. Additionally, a playback of the call will be available also from 1:00 p.m. PDT on June 11 through 8:00 p.m. PDT on June 13. You may access the playback by calling (800) 642-1687, or for international callers (706) 645-9291, and providing access code 4282997.

About OMNIVISION
OMNIVISION Technologies is a supplier of highly integrated semiconductor imaging devices for high-volume, low-cost computing, communications and consumer electronics applications. With its small footprint and low power consumption, the Company’s proprietary highly integrated CameraChip™ enjoys significant competitive advantages over CCD image sensors and other multi-chip CMOS solutions. Single-photo and video applications include cell phones, PDAs, motor vehicles, commercial and residential surveillance, and biometric identification. Further information is available at www.ovt.com.