Mobile Productivity Inc. (MPi), a premier automotive repair information and service merchandising provider, announced today the acquisition of Automotive Information System (AIS), a wholly owned subsidiary of CSK Auto Inc. AIS is based in St. Paul, Minn., and is the provider of an automotive repair hotline and online diagnostic information system.

Founded in 1987, AIS markets its products and services under the brand name IDENTIFIX(TM). These products and services include: a technical hotline serving more than 10,000 independent automotive repair shops; the Repair Trac(TM) Service Bulletins; consulting services to automotive equipment manufacturers; and its 2003 MOTOR TOP 20 Tool Award winning online diagnostic information system Direct-Hit(TM).

Les Silver, CEO/president of MPi, said, "MPi is excited to bring together two highly innovative companies that will cohesively enhance the efficiency, effectiveness and profitability of the automotive service industry. The core competencies of the two companies are very complementary. Together, we can create a range of product and services that are unmatched in the industry."

"I'm very excited to join MPi and work together to provide the highest level of solutions to the automotive service industry," said Jeff Sweet, president of AIS. IDENTIFIX(TM) employs 35 ASE Master Technicians whose expertise covers all makes and models. IDENTIFIX(TM)'s highly specialized and unique diagnostic information database is based on real-life repair scenarios that are constantly being updated with approximately 1,000 new solutions each week. IDENTIFIX(TM) also tracks problems reported by technicians on eight major vehicle systems providing the only source of technician-authenticated vehicle reliability reports. "By adding IDENTIFIX(TM) reliability data into the MPi's Quick Service (ARGIS/QS(TM)) system, MPi will now be able to identify components likely to fail, allowing a targeted vehicle maintenance service unlike any in the industry. This will provide vehicle owners with peace of mind and savings through better preventative maintenance," said Sweet.

Sweet will continue to lead Identifix as the president of the IDENTIFIX(TM) division of MPi. The IDENTIFIX(TM) technical staff will remain situated at the St. Paul office, while the telesales group will be located at the MPi corporate headquarters in Las Vegas.

About Automotive Information Systems

Founded in 1987, AIS has evolved into the nation's best source for knowledge of what breaks on vehicles, what vehicles it breaks on and how to fix those vehicles correctly. AIS has built this knowledge base through continual analysis of data. Its knowledge base is created from data gathered from the more than 250,000 calls it receives each year from technicians seeking diagnostic assistance for vehicle repair problems; its staff of 35 Master Technicians (with more than 600 combined years of experience performing vehicle diagnostics); and the nation's most comprehensive on-site library of factory vehicle service information.

AIS markets its products and services under the brand name IDENTIFIX(TM). These products and services include: technical hotlines serving more than 10,000 automotive shops; the Repair Trac(TM) Service Bulletin; consulting services to automotive equipment manufacturers; and its 2003 MOTOR TOP 20 Tool Award winning online diagnostic system Direct-Hit.

About Mobile Productivity Inc.

Mobile Productivity Inc. (MPi) provides the automotive service industry a highly innovative and proprietary repair information and service merchandising solution. MPi's Advanced Repair Guidance Information System (ARGIS(TM)) enables service centers to increase efficiency, effectiveness and profits by streamlining the method technicians use to access the information needed to repair and service vehicles. The system also provides the consumer with a comprehensive "Know Your Vehicle Report" that outlines the current status of the vehicle and recommends needed services. For more information, please visit www.mpifix.com.

MPi is backed by Warburg Pincus, a global leader among the top private equity and venture capital firms. Since 1971, Warburg Pincus has invested more than $16 billion in 480 companies in 30 countries. Throughout its 35-year history in private equity, the firm has invested at all stages of a company's life cycle, from founding start-ups and providing growth capital to leading restructurings, recapitalizations and buy-outs.