123 Product Change Notice Notice: # BE100908 Date: 08-Sep- 2010 To Our Valued Customers: We appreciate your use of Vicor Brick Business Unit products. Our commitment to customer satisfaction is demonstrated by our notification to you of the following change. Description: This notification is to inform you that agency approvals have expired on selected products and Vicor has removed the markings from their labels. Products Affected: • Single phase and three phase AC front ends whose part numbers begin with VI-FP, VI-FK, VI-TK and VI-TR. Effective Date • March 8, 2010 Action Required: No changes to form, fit, function or specifications have occurred with the products. Customers may need to update agency approvals for their end product. Qualification Summary: N/A Related Notifications: N/A Product Marketing contact: Robert Marchetti Sr. Manager, Product Marketing Vicor Brick Business Unit 25 Frontage Road Andover, MA 01810 (978) 749-3511 [email protected]