X0202 4 2007-03-05 0001097864 ON SEMICONDUCTOR CORP ONNN 0001228890 JACKSON KEITH D 5005 EAST MCDOWELL ROAD PHOENIX AZ 85008 1 1 CEO & Pres. Common 2007-03-05 4 A 0 103700 A 381900 D Stock Option (right to buy) 9.208 2007-03-05 4 A 0 414800 0 A 2008-03-05 2017-03-05 Common 414800 414800 D On February 22, 2007, the Board of Directors of the Issuer awarded these restricted stock units to the Reporting Person under the Issuer's 2000 Stock Incentive Plan, with an effective grant date of March 5, 2007 and with equal pro rata vesting over a 3-year period beginning on the first anniversary of the grant date, subject to the terms and conditions of the Issuer's 2000 Stock Incentive Plan and the relevant award agreement. This award may only be settled in shares of the Issuer's common stock upon vesting. The award was for no consideration other than service as an executive officer of the Issuer. On February 22, 2007, the Board of Directors granted this stock option to the Reporting Person under the Issuer?s 2000 Stock Incentive Plan, with an effective grant date of March 5, 2007. Generally, the stock option will vest 25% on each of the first through fourth anniversaries of the grant date, subject to the terms and conditions of the plan and the related stock option agreement. The exercise price is the closing price on the grant date. The grant was for no consideration other than service as an executive officer of the Issuer. Judith A. Boyle is signing on behalf of the Reporting Person pursuant to a Power of Attorney attached herein as an exhibit., jackson2006poa.TXT Judith A. Boyle, Attorney-in-Fact 2007-03-07