Important Notice to our Customers Product Change Notice # BE150212 Date: February 12, 2015 Re: Off-Line Front Ends To Our Valued Customers: We appreciate your use of the Off-Line Front Ends. The purpose of this notice is to inform you that the product line is being discontinued. PCN Type: Notice of product discontinuance requiring a Last Time Buy. Product(s) Affected: Single Phase VI-FPE6-CUX VI-FKE6-CUX VI-FPE6-CQX VI-FKE6-CQX VI-FPE6-CMX VI-FKE6-CMX Three Phase VI-TKY6-CHX VI-TKY6-CEX VI-TRY6-CCX Customer Impact: Customers may calculate total lifetime needs for the product and place a last time buy order on or before August 12, 2015. Shipments may be scheduled for delivery as late as February 12, 2016. There is no direct replacement part, please contact Applications Engineering for assistance. Company Contact: Applications Engineering Vicor Corporation 25 Frontage Road Andover, MA 01810 [email protected]