QUALITY MANAGEMENT SYSTEM - ISO 9001:2008 This is to certify that: Power-Sonic Corporation 7550 Panasonic Way San Diego California 92154 USA Holds Certificate No: FS 39170 and operates a Quality Management System which complies with the requirements of ISO 9001:2008 for the following scope: The distribution, marketing, and sales of sealed lead acid batteries. For and on behalf of BSI: President, BSI America, Inc. Originally Registered: 03/19/1998 Latest Issue: 06/30/2009 Expiry Date: 07/10/2012 Page: 1 of 1 This certificate remains the property of BSI and shall be returned immediately upon request. An electronic certificate can be authenticated online. Printed copies can be validated at www.bsigroup.com/ClientDirectory To be read in conjunction with the scope above or the attached appendix. Americas Headquarters: 12110 Sunset Hills Road, Suite 200, Reston, VA 20190, USA.