ON SEMICONDUCTOR CORP — Director's Dealing 2011

Jan 18, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ON SEMICONDUCTOR CORP (ONNN)
CIK: 0001097864
Period of Report: 2011-01-13

Reporting Person: KLOSTERBOER ROBERT A. (SVP & GM, Dig & MxdSig Prd Grp)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2011-01-13	Common	S	4030.0000	$11.5000	Disposed	53640.0000	Direct

Footnotes

F1: This transaction was made pursuant to the Reporting Person's existing Rule 10b5-1 plan (i.e. a stock trading plan designed to comply with Rule 10b5-1 of the Securities Exchange Act of 1934, as amended).