MediaTek Inc. Announces Tender Offer for MStar Semiconductor, Inc.

TAIWAN, Hsinchu – 22 June, 2012 – MediaTek Inc. (TSE:2454；MediaTek), a leading fabless semiconductor company for wireless communications and digital multimedia solutions, announced today that its Board of Directors has approved a tender offer to acquire shares of MStar Semiconductor, Inc. (TSE:3697；Mstar). The tender offer will be executed under “Regulations Governing Public Tender Offers for Securities of Public Companies”. Through this tender offer, MediaTek plans to acquire MStar shares for 0.794 MediaTek shares and NT$1 in cash per MStar share. MediaTek targets to purchase 212 million to 254 million MStar shares (40% to 48% of MStar's outstanding shares) through this tender offer.

Upon the completion of the tender offer and subject to approvals from relevant authorities, MediaTek plans to conduct a follow-on merger with MStar and expects to complete the merger process in early 2013. This follow-on merger is also subject to approvals of the Board of Directors and shareholders of both companies.

Mr. MK Tsai, Chairman of MediaTek, commented, "MediaTek and MStar both possess competitive advantages in the fields of wireless communication and digital home. In light of the recent trends of industry consolidation, this transaction is expected to become a new milestone for the IC design industry. Upon completion of the merger, the two companies will utilize their respective strengths and leverage their resources to hone in our focus on developing new products and next generation technologies. Facing intense worldwide competition and fast-changing market dynamics, we believe that the combined company will be in a strong position to compete and will further elevate MediaTek's global competitiveness."

Mr. Wayne Liang, Chairman of MStar, commented, "MStar and MediaTek both have track records of solid R&D capabilities and robust execution and demonstrate excellent performance in various product categories. After combining the two outstanding companies, we expect to see a more efficient allocation of both companies' resources, which will allow for sustainable, long term growth. Furthermore, we hope this transaction will pave the way for industry consolidation which will enhance the global competitiveness of Asian IC design companies.”

Looking ahead, MediaTek will continue to pursue technological innovation and development. In addition, MediaTek expects to continue to strengthen the breadth and depth of its product portfolio in order to provide the best products and services to its customers and optimize shareholder value.

About MediaTek Inc. MediaTek Inc. is a leading fabless semiconductor company for wireless communications and digital multimedia solutions. The company is a market leader and pioneer in cutting-edge SOC system solutions for wireless communications, high-definition TV, optical storage, and DVD and Blu-ray products. Founded in 1997 and listed on Taiwan Stock Exchange under the code "2454", MediaTek is headquartered in Taiwan and has sales or research subsidiaries in Mainland China, Singapore, India, U.S., Japan, Korea, Denmark, England, Sweden and Dubai. For more information, please visit MediaTek's website at www.mediatek.com