X0306 4 2015-03-02 0001097864 ON SEMICONDUCTOR CORP ONNN 0001558921 GUTMANN BERNARD 5005 EAST MCDOWELL ROAD PHOENIX AZ 85008 1 Exec VP & CFO Common 2015-03-02 4 A 0 47493.0000 0.0000 A 348162.0000 D Restricted stock units awarded on February 20, 2015 under the Issuer's Amended and Restated Stock Incentive Plan with a grant date of March 2, 2015 and with equal pro rata vesting over a 3-year period beginning on the first anniversary of the grant date. The award may only be settled in shares of the Issuer's common stock upon vesting and was for no consideration other than service as an executive officer of the Issuer. Mark N. Rogers, Attorney-in-Fact 2015-03-04