Prepared by R.R. Donnelley Financial -- Letter from Arthur Andersen LLP

EX-16 3 dex16.htm LETTER FROM ARTHUR ANDERSEN LLP Prepared by R.R. Donnelley Financial -- Letter from Arthur Andersen LLP

Exhibit 16

Letter from Arthur Andersen LLP to the Securities and Exchange Commission.

May 28, 2002

Securities and Exchange Commission

450 Fifth Street, N.W.

Washington, DC 20549

Commissioners:

We have read the statements made by Mattson Technology, Inc. (copy attached), which we understand will be filed with the Commission, pursuant to Item 4 of Form 8-K, as part of the Company’s Form 8-K report dated May 28, 2002. We agree with the statements referencing our Firm in such Form 8-K.

Very truly yours,

/s/ Arthur Andersen LLP