Law Offices of Howard G. Smith announces that it is investigating potential claims on behalf of investors of Mattson Technology, Inc. ("Mattson" or the "Company") (Nasdaq: MTSN) concerning whether the officers and directors complied with their legal obligations to the Company and its shareholders in connection with the sale of the Company to Beijing E-Town Dragon Semiconductor Industry Investment Center (“E-Town Dragon”).

Under the terms of the proposed transaction, Mattson shareholders will receive $3.80 per share. The investigation concerns whether the Board of Mattson breached their fiduciary duties to shareholders and whether E-Town Dragon is underpaying for Mattson. The Law Offices of Howard G. Smith is attempting to increase Mattson shareholder value, and investors are encouraged to contact Howard G. Smith to discuss their legal rights.

If you own Mattson shares, have information or would like to learn more about these claims, or have any questions concerning this announcement or your rights or interests with respect to these matters, please contact Howard G. Smith, Esquire, of Law Offices of Howard G. Smith, 3070 Bristol Pike, Suite 112, Bensalem, Pennsylvania 19020 by telephone at 215-638-4847, toll-free at 888-638-4847, or by email to howardsmith@howardsmithlaw.com, or visit our website at http://www.howardsmithlaw.com.

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