RioPort Inc. Rocks the Digital Media World With New Rio Portable Internet Audio Player

Business Wire, June 24, 1999

RioPort, Inc. intends to proliferate the Rio brand with the widespread deployment of the company's Rio Audio Manager software and its growing line of Rio digital audio players designed for a broad range of users. Future Rio designs will be licensed to hardware manufacturers worldwide.

RioPort, Inc.

RioPort, Inc. is redefining digital audio by delivering an integrated platform for acquiring, managing and experiencing music and spoken audio programming from the Internet. RioPort delivers an extensive selection of digital music and spoken audio programming through its RioPort.com digital audio gateway, full content management with its Rio Audio Manager software and cutting-edge playback solutions with its Rio brand players, which are licensed to third-party companies. Company headquarters are in San Jose, Calif., where its business development, engineering and marketing teams are located. RioPort's artist relations, content aggregation and online creative team is based in Los Angeles, and its portable player design team is based in Korea.

About Diamond Multimedia

Diamond Multimedia is a leader in PC multimedia and Internet connectivity, providing advanced products that enable desktop computer users to create, access and experience compelling new media content from their PC's and through the Internet. Products include the Rio series of Internet audio appliances, the Stealth and Viper(R) series of video accelerators, the Monster series of 3D gaming accelerators, the Fire series of professional graphics accelerators, the Supra(R) series of modems, and the HomeFree line of home networking products. Diamond's common stock is traded on the NASDAQ under the symbol DIMD, and its web site address is www.diamondmm.com. The Company's Internet music portal site is at www.RioPort.com.

How to Contact Diamond Multimedia

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

Internet Web Sites: www.diamondmm.com and www.RioPort.com Diamond e-commerce Site: www.diamondmm.com/where-to-buy/online-store Diamond Multimedia's Headquarters and Multimedia 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) 33-1-55381600 Korean Office (Seoul): 82-2-2185-3388; Fax: 82-2-501-7522 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: 852-2262-9518; Fax: 852-2262-9555 Australian Office (Sydney): 61-2-9460-2355; Fax 61-2-9460-2360 Latin America Office (Miami): 305-593-8777; Fax: 305-593-2779 Mexico Office (Guadalajara):523-110-1144; Fax: 523-110-0744 Product Support (Voice), United States: 541-967-2450; Europe

(Germany) 49-8151-266-330; Europe (UK) 44-1189-444444; Europe

(France) 33-1-55381616; TDD/TTY Support 541-967-2451 Product Support (Fax), United States: 541-967-2401; Europe (Germany)