Auto Data Network's CarParts Technologies Subsidiary's OpenWebs Electronic Tire Ordering and Trading System Selected by Leading N.E. Tire Dealer

NEW YORK & TUNBRIDGE WELLS, U.K.--March 31, 2005--Auto Data Network Inc. (Pink Sheets: ADNW), a provider of software and real-time data services to the worldwide automotive industry, today announced that it has deployed its OpenWebs(TM) Commerce Server and Trading Network technology for New England-based Sullivan Tire Company.

OpenWebs(TM) is part of CarParts Technologies' suite of integrated applications, delivered on Microsoft(R) Business Platforms that automate electronic ordering, point of sale, warehouse management, inventory management, and accounting to help reduce operational costs, increase revenues and improve customer service. Sullivan Tire is using the OpenWebs(TM) Internet Browser ordering module to allow car dealers, commercial fleets, as well as tire and service centers to purchase tires over the Internet. Sullivan Tire selected OpenWebs(TM) as a tool to empower its customers to check real-time inventory, easily quote tires and enable wholesale and commercial customers to access account information.

"We selected CarParts Technologies and the OpenWebs(TM) technology because of their industry expertise, track record of working closely with leading tire manufacturers and the quality of service they provide customers," said Paul Sullivan. "OpenWebs(TM) offers capabilities that will help us reduce costs, convert paper orders to more accurate online orders and provide better service to our growing base of wholesale and commercial accounts across New England. This system brings added value to our customers by streamlining the online ordering process."

OpenWebs(TM) provides the technology that enables Sullivan Tire to create a more efficient supply chain. "Companies need to find ways to improve their operations and control costs, while at the same time improve customer service. Sullivan Tire is committed to using the OpenWebs(TM) technology to drive efficiency, productivity and customer service to new levels within the supply chain," added Mr. Sullivan.

Founded in 1955, Sullivan Tire is a full-service retail, commercial and wholesale tire and automotive service dealer with locations in Massachusetts, New Hampshire, Rhode Island and Maine. Sullivan Tire operates 42 retail stores, 10 commercial locations, two Bandag Retread shops and two distribution centers. It sells a full line of tire brands including, Goodyear, Michelin, Bridgestone Firestone, Continental and Kumho.

About CarParts Technologies

Established in 1997, CarParts Technologies, Inc. is the leading provider of auto service, distribution and e-commerce software systems for the automotive aftermarket. The systems are used in more than 3,000 leading aftermarket outlets including the largest tire and auto service chains, warehouse distributors and independent installers. CarParts Technologies' comprehensive and robust systems allow companies to drive sales growth, operate more cost efficiently, accelerate inventory turns and maintain stronger relationships with suppliers and trading partners. For additional information on CarParts Technologies, please visit the website at www.carpartstechnologies.com.

About Auto Data Network

Auto Data Network is a group of established companies which provide software products and services to the automotive industry. The company's main customer base is the auto dealership marketplace. This marketplace consists of approximately 78,000 dealers in North America and 92,000 dealers in Europe. The company estimates that this represents a $15 billion market for Software and Services specifically for auto dealerships. The company supplies a suite of software solutions and services that enable dealerships to run their businesses more efficiently whilst achieving considerable cost savings. The majority of the company's current solutions are focused on serving the aftermarket and finance areas of dealerships. These areas are of particular importance as the aftermarket business is responsible for 48 percent of a dealership's profit from 12 percent of their overall revenue. The second most profitable area is vehicle finance and insurance. This area contributes 35 percent of profits from 2 percent of revenues.

This press release contains forward-looking statements as defined in the Private Securities Litigation Reform Act of 1995. Readers are cautioned not to place undue reliance on these forward-looking statements. Actual results may differ materially from those indicated by these forward-looking statements as a result of risks and uncertainties impacting the Company's business including increased competition; the ability of the Company to expand its operations through either acquisitions or internal growth, to attract and retain qualified professionals, and to expand commercial relationships; technological obsolescence; general economic conditions; and other risks detailed time to time in the Company's filings with the Securities and Exchange Commission (SEC).