Semtech Announces Appointment of New Executive Vice President and General Counsel

Semtech Corporation (Nasdaq:SMTC), a leading supplier of analog and mixed-signal semiconductors, today announced the appointment of Charles B. Ammann as Executive Vice President, General Counsel and Corporate Secretary. Mr. Ammann succeeds Randall H. Holliday, who has announced his retirement.

“I am pleased to have a seasoned executive and legal professional of Chuck’s caliber join Semtech’s management team. His business acumen and unique breadth of legal expertise are a great complement for Semtech’s diverse business and growth agenda as we continue on our journey to become a billion dollar company,” said Mohan Maheswaran, President and Chief Executive Officer of Semtech Corporation. Maheswaran added, “I also would like to thank Randy for his 5 years of outstanding service at Semtech. During this time, Randy built an exceptional legal organization and helped transform our company to the multinational business it is today. We wish Randy the best in his retirement.”

Mr. Ammann comes to Semtech with more than 30 years of corporate and legal experience, most recently as the Executive Vice President, General Counsel and Secretary of United Online, Inc. (NASDAQ: UNTD). Before joining United Online, Inc., he held senior executive positions and served as the General Counsel at TV Guide, Inc., United Video Satellite Group and Flint Industries. Mr. Ammann also served as a Partner for the prestigious law firm Gable & Gotwals.

Mr. Ammann received his B.B.A. from the University of Notre Dame with a double major in Finance and Management and was the recipient of the prestigious Hamilton Award for Management. He obtained his J.D. from the University of Oklahoma where he served as Editor of the Oklahoma Law Review, and his M.B.A. from The University of Tulsa.

About Semtech

Semtech Corporation is a leading supplier of analog and mixed-signal semiconductors for high-end consumer, computing, communications and industrial equipment. Products are designed to benefit the engineering community as well as the global community. The Company is dedicated to reducing the impact it, and its products, have on the environment. Internal green programs seek to reduce waste through material and manufacturing control, use of green technology and designing for resource reduction. Publicly traded since 1967, Semtech is listed on the NASDAQ Global Select Market under the symbol SMTC. For more information, visit http://www.semtech.com.

Semtech and the Semtech logo are registered marks of Semtech Corporation.