American Power Conversion to Report First Quarter 2006 Financial Results on Thursday, April 27

		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

Conference Call and Webcast to be Held at 5:00 p.m. Eastern Time WEST KINGSTON, R.I., April 13 /PRNewswire-FirstCall/ -- American Power Conversion (Nasdaq: APCC) (APC) will report its first quarter 2006 financial results on Thursday, April 27 after the market closes. (Logo: http://www.newscom.com/cgi-bin/prnh/20031003/NEAPCLOGO ) In conjunction with the earnings announcement, APC management will host a conference call to discuss the company's results as well as current expectations regarding future performance. This conference call will be at 5:00 p.m. Eastern time on April 27 and will be available live, in its entirety, to the public via the company's Web site at http://investor.apcc.com/ or by dialing 913-981-5592. An archive of this call will be available on APC's Web site. Additionally, the telephone replay will be accessible by dialing 719-457-0820 and entering the access code 3264725 and will be available starting at approximately 8 p.m. Eastern time on April 27 through midnight on May 4. For further information, visit APC's Web site or contact APC investor relations at investorrelations@apcc.com. 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 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