JOPLIN, MO (MARKET WIRE) 09/21/07 SiriCOMM, Inc. (OTCBB: SIRC) announced initiation of a network access agreement with DriverTech Fleet Management Systems. The agreement provides DriverTech with wireless bandwidth capacity for priority business data transmissions from their Truck-PCin-cab communication devices. Fleet customers will also have the ability to upgrade access for drivers to surf the internet during off hours.

"This is our first significant venture into business data transmission services, one of three primary product segments we are pursuing," stated Mark Grannell, SiriCOMM president and CEO. "With our network of over 480 Hot Spots as the backbone, we continue to develop our business plan that includes penetrating the driver segment, the fleet segment and the transportation service provider segment." DriverTech is one of the leading providers of in-cab communication devices for the transportation industry. With this agreement in place, DriverTech will be able to begin providing new services being requested by their fleet customers for cost effective transmission of larger data packets and general internet access for driver's personal use.

SiriCOMM and DriverTech expect to roll the service out to one fleet initially and add other fleet customers in the coming months.

About SiriCOMM SiriCOMM is a wireless network provider, specializing in Internet connectivity and productivity applications for the transportation industry. By providing both network access and a robust application host platform, SiriCOMM delivers a responsive and convenient way for industry stakeholders to utilize and leverage information. The company uses Wi-Fi and radio-frequency technologies to create hot spots at locations convenient to highway travel. More information including network locations is available at http://www.siricomm.com.

About DriverTech DriverTech is the next generation mobile communication system with a full range of services and state of the art applications for the transportation industry. The DriverTech system provides intelligent links to key information that improves driver quality of life and trucking efficiency metrics. The DriverTech system is a true 'Tri-Mode' system (Satellite, Cellular and Wi-Fi) that automatically routes data via the lowest cost communication option. DriverTech is committed to enabling customers to improve their operational efficiency through mobile applications, while leveraging the lower cost, wireless networks that are available and continually expanding.

Statements about the future performance of SiriCOMM, economic trends, and other forward-looking statements in this release are made pursuant to the "safe harbor" provisions of the Private Securities Litigation Reform Act of1995. Investors are cautioned that such forward-looking statements involve risks and uncertainties, including without limitation, continued acceptance of SiriCOMM's products, increased levels of competition for the company, new products and technological changes, SiriCOMM's dependence on third-party suppliers, and other risks detailed from time to time in SiriCOMM's periodic reports filed with the Securities and Exchange Commission. SiriCOMM provides no assurance regarding the actual outcome of the events contemplated by any forward-looking statements included in this release.

Contact: John Burton Vice President - Marketing & Sales SiriCOMM, Inc.

Phone: 913-647-5223 Web: http://www.siricomm.com EMAIL: INVESTORS@SIRICOMM.COM

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