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

EX-16.1 3 dex161.htm LETTER FROM ARTHUR ANDERSEN LLP Prepared by R.R. Donnelley Financial -- Letter from Arthur Andersen LLP

Exhibit 16.1

April 30, 2002

Office of the Chief Accountant

Securities and Exchange Commission

450 Fifth Street, N.W.

Washington, D.C. 20549

Dear Sir/Madam:

We have read the 1st paragraph of Item 4 included in the Form 8-K dated April 29, 2002 of Mentor Graphics Corporation to be filed with the Securities and Exchange Commission and are in agreement with the statements contained therein.

ry truly yours,

THUR ANDERSEN LLP

cc: Mr. Anthony B. Adrian