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                                                                      EXHIBIT 99

                                                         [ON SEMICONDUCTOR LOGO]

         Everett Tackett                       Dan Martin
         Director Public Relations             Director Investor Relations
         ON Semiconductor                      ON Semiconductor
         (602) 244-4534                        (602) 244-4905
         everett.tackett@onsemi.com            dan.martin@onsemi.com



                  ON SEMICONDUCTOR ANNOUNCES MANAGEMENT CHANGE

PHOENIX, ARIZ. - FEB. 28, 2001 - ON Semiconductor (Nasdaq: ONNN) today announced
that Jim Thorburn, senior vice president and Chief Operating Officer, has
accepted an operations role with Texas Pacific Group beginning March 12.

         Thorburn spent the last 19 months with ON Semiconductor, helping it
transform to an independent, public company.

         In a letter to employees, Steve Hanson, CEO and president of ON
Semiconductor, said, "During the past 19 months, we have launched a great
company and established a solid foundation for our future. Jim has been a key
architect and leader in our success. He has helped bring the discipline that we
will build on going forward. We wish Jim the greatest success in his new role."

         Hanson will assume responsibility for Thorburn's organization and
implementation of ON Semiconductor's continuing strategy to be a world leader in
broadband and power management.

         Prior to joining ON Semiconductor, Thorburn was Chief Financial Officer
for ZiLOG. Before that he was vice president of operations finance at National
Semiconductor. At National, he also managed the financial needs for the
company's Communications and Computing Group, Analog Division, as well as its
European Operations.

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ABOUT ON SEMICONDUCTOR

    ON Semiconductor (Nasdaq: ONNN) is a global supplier of high-performance
broadband and power management integrated circuits and standard semiconductors
used in numerous advanced devices ranging from high-speed fiber optic networking
equipment to the precise power management functions in today's advanced portable
electronics. For more information visit ON Semiconductor's Web site at
http://www.onsemi.com.

                                      # # #

ON Semiconductor and the ON Semiconductor logo are 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.