Diamond Multimedia Takes 3D Gaming to the Next Level with Retail Launch of New "Monster Sound" Audio Accelerator; Diamond Multimedia Delivers the First PCI-Based Audio Solution Featuring Immersive Positional 3D Audio

Business Wire, April 21, 1997

How to Contact Diamond Multimedia

There are many ways to reach Diamond for sales support, technical assistance, driver updates and general information:

Internet Web Site: http://www.diamondmm.com Diamond Multimedia's Headquarters and Audio-Visual Systems Division: 408-325-7000; Fax: 408-325-7070 Communications Division (Supra brand modems) Main Phone Number: 360-604-1400; Fax: 360-604-1401 European Division (Germany): 49-8151-266-0; (UK): 44-1189-444400; (France) 33-1-47561157 Korean Office (Seoul): 82-2-551-2700; Fax: 82-2-551-2710 Japanese Office (Tokyo): 81-3-5695-8401; Fax: 81-3-5695-8403 ASEAN Office (Singapore): 65-353-9511; Fax: 65-353-9510 Hong Kong Office: 852-2375-9023; Fax: 852-2375-9021 Support Information Line for Communications: 1-800-774-4965 Product Support (Voice), Audio-Visual Systems: 408-325-7100; Communications: 541-967-2450; Europe (Germany) 49-8151-266-330; Europe (UK) 44-1189-444444; ISDN Support Center 408-325-7110; Fire GL Support Center 408-325-7120; TDD/TTY Support 541-967-2451 Product Support (Fax), Audio-Visual Systems: 408-325-7171; Communications: 541-967-2401; Europe (Germany) 49-8151-266-331; Europe (UK): 44-1189-444445; (France) 33-1-47561139 Pre-sales Information, Audio-Visual Systems: 1-800-468-5846; Communications: 1-800-727-8772 Investor Relations: 408-325-7476 24-Hour Fax-On-Demand Service, Audio-Visual Systems: 1-800-380-0030; Communications: 541-967-0072 FTP sites: ftp.diamondmm.com; or Supra: ftp.supra.com BBS for Audio-Visual Systems 408-325-7080 (to 14.4 Kbps) or 408-325-7175 (to 28.8 Kbps) or 408-383-0551 (ISDN); Communications BBS: 541-967-2444; Europe (Germany) BBS at 49-8151-266333 (to 28.8 Kbps) or 49-8151-266334 (ISDN); Europe (UK) at 44-1189-444415 (to 33.6 Kbps) -0-

NOTE TO EDITORS: Monster 3D and Supra are either trademarks or registered trademarks of Diamond Multimedia Systems, Inc. All other trademarks referenced are the service mark, trademark or registered trademark of their respective manufacturers. This announcement relates to products whose launch are in the United States of America. The product names contents, prices and availability may differ elsewhere in the world according to local factors and requirements.

Except for historical information contained herein, the matters set forth in this press release, such as statements relating to the Company's ability to successfully exploit technological and market developments, the timing and success of new product introductions by the Company and its competitors, and the Company's ability to invest in new technologies and to enhance its existing systems are forward-looking statements that are subject to risks and uncertainties, including the impact of competitive products and pricing and alternative technological advances, the timely and successful development and market acceptance of new products and upgrades to existing products, and other risks as detailed from time to time in Diamond Multimedia's SEC filings, including its most recent Forms 10-K and 10-Q.