Product Change Notice (PCN) Date: 07/19/11 PCN Number: PCN-071911_01 To Our Customers: We appreciate your use of CUI products. Our commitment in maintaining and improving processes is demonstrated by plans to enhance our product quality, reliability and manufacturability. The purpose of this notice is to inform you of a product change. Product(s) Affected: VLD24-300 VLD24-350 VLD24-500 VLD24-600 VLD24-700 Reason(s) for Change: The internal IC was discontinued. Description of Change: There has been improvement in output current accuracy and stability and reduction in the maximum output voltage. Affected Date Code: 07/01/11 Product Availability: 07/01/11 Additional Information: PCN Approval: Operations/Quality Product Marketing F-723-001 Date Printed: 1/6/2011 Date Released: 12/18/2001 Revision A Page 1 of 1