Dear Customers:

It is my pleasure to inform you that Taiwan Semiconductor has completed the acquisition of Fairchild Semiconductor TVS portfolio from ON Semiconductor.

The Fairchild TVS acquisition aligns with Taiwan Semiconductor’s strategy to expand across power semiconductor applications while strengthening our core circuit protection business and increasing our presence in the Automotive and Industrial electronics markets. We are pleased to create a broader and more competitive product offering for our customers.

We remain committed to providing you outstanding customer service, advanced technology solutions, and world-class quality and manufacturing. We look forward to a long and mutually beneficial relationship.

You will continue to work with your existing contacts and be contacted by a TSC representative to discuss any planned changes and have the opportunity to ask any questions about the manufacturing or business operations. Taiwan Semiconductor expects business to continue as usual for customers purchasing the Fairchild Semiconductor TVS products from ON Semiconductor. Over the coming months, updates regarding the acquisition and integration can be found at http://www.taiwansemi.com. You may also submit questions to marketing@mail.ts.com.tw

On behalf of the entire Taiwan Semiconductor team, I would like to thank you for your continued business. We look forward to providing the scale, product portfolio and applications expertise you need for today’s technologies and tomorrow’s innovations.

Best Regards,

Andy Chao

Vice President of Sales & Marketing