August 5, 2003

News Release: Verizon Wireless Selects Smith Micro to Build Wi-Fi Software Connectivity Solution

ALISO VIEJO, Calif., Aug. 5 /PRNewswire-FirstCall/ -- Verizon Wireless, the nation's largest wireless carrier and a leader in wireless data solutions has selected Smith Micro Software, Inc. (Nasdaq: SMSI), to develop a softwar e connectivity solution that will give Verizon Wireless'mobile data customers the power to easily access Verizon Wireless'1xRTT Express Network and its new Wi-Fi service.

Under the terms of the agreement, Verizon Wireless plans to include Smith Micro's new combination client with all Express Network Mobile Office Kits and 1xRTT PC Cards sold by Verizon Wireless. The Wi-Fi client will also be made available for download by new Verizon Wireless Wi-Fi subscribers that have purchased a Wi-Fi device elsewhere. Verizon Wireless also plans to include Smith Micro's QuickLink Mobile(R) PhoneBook software with all Express Network Mobile Office Kits. 'Smith Micro's ability to respond to our needs with excellent software has helped us deliver to our data customers easier connectivity between our nationwide Express Network and hundreds of Wi-Fi hotspots,'said Dick Lynch, executive vice president and chief technical officer for Verizon Wireless.

'Smith Micro is excited to be working with Verizon Wireless to bring this new service to market,'said William W. Smith, Jr., president and chief executive officer of Smith Micro. 'We believe this relationship is a testament to our ability to satisfy the wireless market place with unique, excellent software and OEM services. Verizon Wireless-branded Wi-Fi service, combined with the carrier's premier Express Network, will give end users high-quality, high-speed data access nationwide.'

Verizon Wireless'solutions are based on Smith Micro's QuickLink Mobile software. The Verizon Wireless version of QuickLink Mobile will allow users to easily connect to the company's wireless wide area networks (WWAN) and to Verizon Wireless Wi-Fi hotspots. The Wi-Fi service Verizon Wireless announced will be based on the IEEE 802.11 standard, which is designed to let users surf the Internet at speeds of up to 1.544 Mbps.

Verizon Wireless offers access to Wi-Fi points in various locations in travel-related venues such as hotels and airports.

QuickLink Mobile, is the most popular wireless data connectivity solution in the industry and offers anytime access to email, file uploads/downloads, Web surfing and corporate Intranets without being plugged into a network or landline modem connection. The solution includes installation assistance that automatically detects the mobile phone, 1xRTT PC Cards and Wi-Fi PC Cards, and sets up the user's computer in minutes. Verizon Wireless has been distributing Smith Micro's QuickLink Mobile data connectivity solution for the Verizon Wireless Express Network, the carrier's 1xRTT high-speed wireless data network. Verizon Wireless and Smith Micro have been jointly developing wireless data solutions since 2000.

About Verizon Wireless

Verizon Wireless is the nation's leading provider of wireless communications. The company has the largest nationwide wireless voice and data network and 34.6 million customers. Headquartered in Bedminster, NJ, Verizon Wireless is a joint venture of Verizon Communications (NYSE: VZ) and Vodafone (NYSE: VOD; London). Find more information on the Web at http://www.verizonwireless.com .

About Smith Micro Software:

Smith Micro Software, Inc., headquartered in Aliso Viejo, CA, is a developer and marketer of wireless communication and utility software products for multiple OS platforms. The company designs integrated, cross platform, easy-to-use software for personal computing and business solutions around the world. With a focus on the Internet and Wireless and Broadband technologies, the company's products and services enable wireless communications, eCommerce, eBusiness, Internet communications (voice-over-IP), video conferencing, network fax, and traditional computer telephony. Smith Micro's complete line of products is available through original equipment manufacturers (OEMs), direct sales, retail stores, and value-added resellers (VARs). Smith Micro's common stock trades on The Nasdaq Stock Market(R) under the symbol SMSI. For more information, contact Smith Micro at (949) 362-5800 or visit the company's Web site at http://www.smithmicro.com .

This release may contain forward-looking statements that involve risks and uncertainties, including without limitation risks and uncertainties relating to the company's financial prospects and projections, the company's plans for returning to sustained profitability and the company's ability to increase its business in the Wireless and Broadband segments. Among the important factors that could cause actual results to differ materially from those in the forward-looking statements are new and changing technologies, customer acceptance of those technologies, fluctuations or cancellations in orders from distribution customers, new and continuing adverse economic conditions, and the company's ability to compete effectively with other software companies. These and other factors could cause actual results to differ materially from those presented in any forward-looking statement and are discussed in the company's filings with the Securities and Exchange Commission including its recent filings on Forms 10-K and 10-Q.

Smith Micro, Smith Micro logo, and QuickLink are trademarks or registered trademarks of Smith Micro Software, Inc.

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