ON SEMICONDUCTOR CORP — Director's Dealing 2013

Jul 9, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ON SEMICONDUCTOR CORP (ONNN)
CIK: 0001097864
Period of Report: 2013-07-06

Reporting Person: RASHID MAMOON (SVP & GM of SANYO Semi)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-07-06	Common	D	552.0000	$8.3800	Disposed	108234.0000	Direct

Footnotes

F1: This disposition transaction represents shares withheld by the Issuer in connection with the July 6, 2010 restricted stock unit award to the Reporting Person under the Issuer's Amended and Restated Stock Incentive Plan. On July 6, 2013, certain of these units vested. The shares were withheld to satisfy the Reporting Person's withholding obligations for various taxes and similar items. The Issuer will pay these taxes on behalf of the Reporting Person.

F2: Includes an aggregate of 1,000 shares acquired by the Reporting Person under the Issuer's Employee Stock Purchase Plan for the quarters ended March 31, 2013 and June 30, 2013.