PHOENIX, Jul 12, 2006 (BUSINESS WIRE) -- ON Semiconductor Corporation (Nasdaq:ONNN) plans to announce its financial results for the second quarter ending June 30, 2006, after the market closes on Thursday, July 27.

The company will host a conference call at 5:00 p.m. Eastern Time (EDT) following the release of its financial results. Investors and interested parties can access the conference call in the following manner:

-- Through a webcast of the conference call via the Investors section of the company's website at http://www.onsemi.com. The re-broadcast of the call will be available at this site approximately one hour following the live broadcast and will continue for thirty days.

-- Through a telephone call by dialing 703-639-1108. The company will provide a dial-in replay approximately one hour following the live broadcast that will continue through August 3. The dial-in replay number is 703-925-2533 and the access code is 932286.

About ON Semiconductor

With its global logistics network and strong portfolio of power semiconductor devices, ON Semiconductor (Nasdaq:ONNN) is a preferred supplier of power solutions to engineers, purchasing professionals, distributors and contract manufacturers in the computer, cell phone, portable devices, automotive and industrial markets. For more information, please visit ON Semiconductor's website at 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, such information on the website is not to be incorporated herein.

SOURCE: ON Semiconductor

ON Semiconductor
Ross Ayotte, 602-244-5978                                
ross.ayotte@onsemi.com                                 
Ken Rizvi, 602-244-3437 (Investor Relations)        
ken.rizvi@onsemi.com