Published: November 20, 2009

ON Semiconductor Executives to Present at Investor Conferences

PHOENIX - (BUSINESS WIRE) - ON Semiconductor Corporation (Nasdaq: ONNN), a leading global supplier of high performance, energy efficient, silicon solutions, has announced that executives from the company will present at the following conferences:

Credit Suisse's Annual Technology Conference - 10:00 a.m. (MST), Tuesday, December 1 at the Phoenician, Scottsdale, AZ.
Barclays Capital Global Technology Conference - 2:30 p.m. (PST), Wednesday, December 9 at the Fairmont, San Francisco, CA.

ON Semiconductor will provide a webcast of the conference presentations on the Investors section of its website at http://www.onsemi.com.

About ON Semiconductor

With its global logistics network and broad product portfolio, ON Semiconductor (Nasdaq: ONNN) is a preferred supplier of high performance, energy efficient, silicon solutions that enable designers to quickly and cost-effectively improve system efficiency for electronics in the computing, communications, consumer, automotive, industrial, medical and military/aerospace markets. The company's portfolio includes power management, signal, logic, discrete and custom devices. The company operates a network of manufacturing facilities, sales offices, and design centers in key markets throughout North America, Europe, and the Asia Pacific regions. For more information, visit http://www.onsemi.com.

ON Semiconductor and the ON Semiconductor logo are registered trademarks of Semiconductor Components Industries, LLC. All other brand and product names appearing in this document are registered trademarks or trademarks of their respective holders. Although the company references its website in this news release, information on the website is not to be incorporated herein.

ON Semiconductor
Anne Spitza
Corporate Communications
602-244-6398
anne.spitza@onsemi.com
Ken Rizvi
Corporate Development, Treasury & Investor Relations
602-244-3437
ken.rizvi@onsemi.com