American Power Conversion to Report Third Quarter 2005 Financial Results on Wednesday, October 26

		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 USA

Conference Call and Webcast to be Held at 5:00 PM Eastern Time WEST KINGSTON, R.I., Oct. 13 /PRNewswire-FirstCall/ -- American Power Conversion (Nasdaq: APCC) (APC) will report its third quarter 2005 financial results on Wednesday, October 26, 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 PM Eastern time on October 26 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 913-981-5522. An archive of this call will be available on APC's Web site at http://investor.apcc.com/. Additionally, through November 2, the replay will be accessible via telephone by dialing 719-457-0820 and entering the access code 2734657. 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. 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. For more information contact: Investors: Debbie Hancock, APC investor relations director, 401-789-5735, ext. 2994, debbie.hancock@apcc.com Media: Chet Lasell, APC director, public relations -- North America, 800- 788-2208 ext. 2693, chet.lasell@apcc.com