MS1080 SP233ECT SP233ECT-L SP233EET SP233EET-L SP310ECA SP310ECA-L SP310ECP

MS1080 PART NUMBER(S): PCN No.: 06-0130-27a Please see attachment. DATE: February 14, 2006 PART DESCRIPTION: Power Management and

PRODUCT CHANGE NOTICE MS1080 MS1080 PART NUMBER(S): PCN No.: 06-0130-27a Please see attachment. DATE: February 14, 2006 PART DESCRIPTION: Power Management and Interface Products Change in Wafer Fabrication Site LEVEL OF CHANGE: [X] Level I, Customer Approval. [ ] Level II, Customer Information. PRODUCT ATTRIBUTE AFFECTED: [ ] [ ] [X] Material Change Design Change Process Change [ ] [ ] [ ] Data Sheet Change Package Change Packing / Shipping [X] Other, Explain: Wafer Fabrication Site Transfer DESCRIPTION OF CHANGE: Announcing transfer of certain Power Management and Interface Products from Hillview wafer fabrication facility to wafer foundry Silan. See attached Product List no. 27a. REASON FOR CHANGE: Power Management and Interface products as listed are being transferred to external wafer foundry, due to cessation of operations of the Sipex Hillview Wafer Fabrication manufacturing site. FABRICATION PROCESS QUALIFICATION COMPLETED (DATE): August 7, 2006 PRODUCT CHARACTERIZATION COMPLETED AND SAMPLES* AVAILABLE (DATE): June 24, 2006 * Samples representative of product from the Product Family being transferred. PROPRIETARY INFORMATION THIS DOCUMENT CONTAINS INFORMATION WHICH IS THE EXCLUSIVE PROPERTY OF SIPEX CORPORATION. DISTRIBUTION, REPRODUCTION OR USE BY OTHERS IS NOT PERMITTED WITHOUT THE EXPRESS WRITTEN AUTHORIZATION OF SIPEX CORPORATION. PRODUCT CHANGE NOTICE EARLIEST DATE OF PRODUCTION SHIPMENTS: November 23, 2006 EFFECTIVITY CHANGE DATE OR DATE CODE: Work week associated with earliest production shipment. [ ] STANDARD DISTRIBUTION [X] CUSTOM DISTRIBUTION PERSON TO CONTACT WITH QUESTIONS: Fred Claussen VP Quality Assurance and Reliability Sipex Corporation Phone Number: 408-935-7644 FAX NUMBER: 408-935-7678 PROPRIETARY INFORMATION THIS DOCUMENT CONTAINS INFORMATION WHICH IS THE EXCLUSIVE PROPERTY OF SIPEX CORPORATION. DISTRIBUTION, REPRODUCTION OR USE BY OTHERS IS NOT PERMITTED WITHOUT THE EXPRESS WRITTEN AUTHORIZATION OF SIPEX CORPORATION. PRODUCT CHANGE NOTICE PCN No.: 06-0130-27a List 27a SP233ECT SP233ECT SP233ECT-L SP233ECT-L SP233EET SP233EET SP233EET-L SP233EET-L SP310ECA SP310ECA SP310ECA-L SP310ECA-L SP310ECP SP310ECP SP310ECP-L SP310ECP-L SP310ECT SP310ECT SP310ECT-L SP310ECT-L SP310EEA SP310EEA SP310EEA-L SP310EEA-L SP310EEP SP310EEP SP310EEP-L SP310EEP-L SP310EET SP310EET SP310EET-L SP310EET-L SP312ECA SP312ECA SP312ECA-L SP312ECA-L SP312ECP SP312ECP SP312ECP-L SP312ECP-L SP312ECT SP312ECT SP312ECT-L SP312ECT-L SP312EEA SP312EEA SP312EEA-L SP312EEA-L SP312EEP SP312EEP SP312EEP-L SP312EEP-L SP312EET SP312EET SP312EET-L SP312EET-L SP385ECA SP385ECA SP385ECA-L SP385ECA-L SP385ECT SP385ECT SP385ECT-L SP385ECT-L SP385EEA SP385EEA SP385EEA-L SP385EEA-L SP385EET SP385EET SP385EET-L SP385EET-L PROPRIETARY INFORMATION THIS DOCUMENT CONTAINS INFORMATION WHICH IS THE EXCLUSIVE PROPERTY OF SIPEX CORPORATION. DISTRIBUTION, REPRODUCTION OR USE BY OTHERS IS NOT PERMITTED WITHOUT THE EXPRESS WRITTEN AUTHORIZATION OF SIPEX CORPORATION.