American Power Conversion Announces its Inclusion in the New NASDAQ Global Select Market

		Founded in 1981, American Power Conversion (Nasdaq: APCC) is a leading global provider of high availability systems for network-critical physical infrastructure. APC's comprehensive products and services, designed for both home and corporate environments, improve the availability, manageability and performance of sensitive electronic, network, communication and industrial equipment of all sizes. Headquartered in West Kingston, Rhode Island, APC reported sales of $1.7 billion for the year ended December 31, 2004, and is a Fortune 1000, Nasdaq 100 and S&P 500 Company. All trademarks are the property of their owners. (PRNewsFoto) WEST KINGSTON, RI UNITED STATES

The Market with the Highest Initial Listing Standards in the World WEST KINGSTON, R.I., June 29 /PRNewswire-FirstCall/ -- American Power Conversion (Nasdaq: APCC) (APC), a leading global provider of high availability systems for network-critical physical infrastructure (NCPI), today announced that it is included in new NASDAQ Global Select Market. The NASDAQ Global Select Market has the highest initial listing standards of any exchange in the world based on financial and liquidity requirements. Prior to the change, the company had been listed on the NASDAQ National Market. (Logo: http://www.newscom.com/cgi-bin/prnh/20031003/NEAPCLOGO ) "A member of NASDAQ since 1988, APC is proud to be included among the new NASDAQ Global Select Market," said Rodger B. Dowdell, Jr., APC president and chief executive officer. "Our inclusion in this market, with its stringent listing requirements, is a strong reflection of APC's proven financial performance and high corporate standards." Beginning July 3, NASDAQ-listed companies will be classified under three listing tiers -- NASDAQ Global Select Market, NASDAQ Global Market, and NASDAQ Capital Market. NASDAQ also plans to launch indexes based on these new tiers. "APC is an example of an industry leader that has achieved superior listing standards, which clearly defines the essence of the NASDAQ Global Select Market," said Bruce Aust, executive vice president, Corporate Client Group. "NASDAQ is focused on leading a race to the top in terms of listing qualifications. In recognizing these companies, we are highlighting their achievement in meeting the requirements to be included in the market with the highest listing standards in the world." NASDAQ announced the new three tier listing classification in February 2006. All three market tiers will maintain rigorous listing and corporate governance standards. For additional information about the NASDAQ Global Select Market, please go to: http://www.nasdaq.com/GlobalSelect. About NASDAQ NASDAQ is the largest U.S. electronic stock market. With approximately 3,200 companies, it lists more companies and, on average, trades more shares per day than any other U.S. market. It is home to companies that are leaders across all areas of business including technology, retail, communications, financial services, transportation, media and biotechnology. NASDAQ is the primary market for trading NASDAQ-listed stocks. For more information about NASDAQ, visit http://www.nasdaq.com or the NASDAQ Newsroom at http://www.nasdaq.com/newsroom/. About American Power Conversion Founded in 1981, American Power Conversion (Nasdaq: APCC) (APC) is a leading provider of global, end-to-end solutions for real-time infrastructure. APC's comprehensive products and services for home and corporate environments improve the availability, manageability and performance of sensitive electronic, network, communication and industrial equipment of all sizes. APC offers a wide variety of products for network-critical physical infrastructure including InfraStruXure(R), its revolutionary architecture for on-demand data centers, as well as physical threat management products through the company's NetBotz(R) division. These products and services help companies increase the availability and reliability of their IT systems. Headquartered in West Kingston, Rhode Island, APC reported sales of $2.0 billion for the year ended December 31, 2005, and is a Fortune 1000, Nasdaq 100 and S&P 500 Company. All trademarks are the property of their owners. For more information contact: Investors: Debbie Hancock, APC director, investor relations, 401-789-5735, ext. 2994, debbie.hancock@apcc.com Media: Chet Lasell, APC public relations director, 800-788-2208, ext. 2693, chet.lasell@apcc.com