VIVATO PARTNERS WITH MITSUI COMTEK TO MARKET Wi-Fi SWITCHES IN JAPAN

SAN FRANCISCO, Calif. - August 5, 2003 - Vivato, a Wi-Fi infrastructure company, today announced an agreement with Mitsui Comtek, a wholly owned subsidiary of Mitsui & Co. Ltd. one of the world's largest trading and industrial firms, to market and resell Vivato's 2.4 GHz Indoor and Outdoor Wi-Fi Switches in Japan. The partnership marks Vivato's entrance into the Japanese market.

Vivato's 2.4 GHz Wi-Fi switches include Vivato's patent-pending PacketSteering ™ technology, which combines Wi-Fi with a smart, planar phased-array antenna and gigabit Ethernet switching that offers a unique architecture for Wi-Fi infrastructure. Vivato's 2.4 GHz switches dramatically extend the range of Wi-Fi beyond conventional Wi-Fi solutions.

"Vivato's Wi-Fi switches are an innovative and cost-effective solution for building a broadband wireless infrastructure to support the expansion of portable multimedia devices," said Jun Shibuta, Mitsui's Broadband and Semiconductor Division General Manager. "Our partnership with Vivato signals the growing need for Wi-Fi access, and we are confident that Vivato's Wi-Fi switches are reliable and customized to meet our market needs."

Under the terms of the agreement, Mitsui will conduct marketing and reselling activities in Japan to include distribution of marketing materials, pre-sales customer development, product demonstrations, follow-up and support. In addition, Vivato and Mitsui will work together to secure approvals from Japanese regulatory authorities for Vivato's unique technology. Vivato will provide Mitsui with the necessary technical and sales support. Mitsui and Vivato plan to focus marketing efforts on the telecommunications industry, utility companies, integrators of technology in commercial buildings and focused corporate buyers. The Vivato switches, which provide a new architecture for deploying Wi-Fi, are expected to ship to Japanese customers in the third quarter of 2003.

"Japan's rapid proliferation of wireless applications make it an important and strategic market for Vivato," said Ken Biba, Vivato co-founder, CEO and chairman. "Mitsui's dominant positioning and expertise in trading and marketing will help drive our goal of Wi-Fi everywhere."

About Vivato
Vivato is the inventor and first manufacturer of Wi-Fi switches for enterprises and service providers designed to enable high bandwidth Wi-Fi wireless networks everywhere: in the enterprise, across campuses and throughout metropolitan areas. Vivato is headquartered in San Francisco with a research and development center in Spokane, Wash. For more information, please visit www.vivato.net.

About Mitsui Comtek
Mitsui Comtek is a wholly owned subsidiary of Mitsui & Co. Ltd and Mitsui & Co. (USA), Inc. Mitsui is one of the world's largest trading and industrial firms, with 2002 sales of over $110 billion. Mitsui was the first general or integrated trading company, established in 1876. Mitsui's wide-range of products and services include; Iron and Steel, Machinery, Foodstuffs, Non-Ferrous Metals, Electronics and Information Technology, Textiles, Chemicals, Energy and Property Development. Mitsui Comtek is the advanced technology subsidiary of Mitsui, active in the areas of computers, semiconductors, electronic equipment, and specialized display technology. The company also is involved in the operation of telecommunications and telecommunication-related services including mobile, long-distance, international and satellite communication. Mitsui's core competencies include; facilitating clients' international trading activities through a broad range of specifically tailored services. The second is putting a wide spectrum of information, human, financial, and other resources to work with clients around the world to create new trade flows, new companies, and new industries. Mitsui works to actively identify promising new business opportunities, assist in technology transfers, and organize joint ventures while investing its own capital and management time to promote the success of new enterprises. The company's web site is located at www.mitsui.co.jp.

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