Exar, a provider of mixed-signal silicon solutions for communications infrastructure, announced that Dr. Roubik Gregorian has resigned as Chief Executive Officer and President of the Company and as a member of the Board of Directors. Dr. Gregorian will remain with the Company in an advisory role through mid-May, 2007. Richard L. Leza, the Chairman of the Board, will assume, on an interim basis, the duties of Chief Executive Officer and President, effective immediately. The Board of Directors will immediately commence a search for a permanent replacement for the Chief Executive Officer and President. The Company is based in Fremont, CA, had fiscal 2006 revenues of $67.0 million, and employs approximately 260 people worldwide.