SEMTECH CORPORATION (NASDAQ: SMTC), a leading supplier of analog and mixed-signal semiconductors, today announced plans to release financial results for the second quarter of fiscal year 2009 after the close of the market on Wednesday, August 20, 2008. The results released will be available through Business Wire (www.businesswire.com) and at the Company’s website (www.semtech.com).

Semtech will host a conference call at 2:00 p.m. PT (5:00 p.m. ET) on Wednesday, August 20, 2008 to discuss second quarter performance and events, current business activities and conditions, and the outlook for the business. Investors and the interested public will have the opportunity to listen to the conference call live over the Internet by going to the investor relations section of Semtech’s website or to the following URL address.

To listen to the live call, it is recommended that you go to the Internet at least ten minutes early to download any necessary audio software. For those who cannot listen to the live broadcast, beginning later in the afternoon of August 20, 2008, a replay of the call will be available at Semtech’s website and the URL address shown above.

Some statements made during the conference call may be “forward-looking statements” related to matters such as future financial performance, future operational performance, and plans, objectives and expectations. Results could differ materially from those projected in forward-looking statements due to factors including, but not limited to, those set forth in the Company’s latest Form 10-K and other public filings with the Securities and Exchange Commission. Semtech undertakes no duty to update any forward-looking statements, whether as a result of new information, future events or otherwise.

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.