X0202 4 2008-03-18 0 0000768251 ALTERA CORP ALTR 0001227180 DAANE JOHN 101 INNOVATION DRIVE SAN JOSE CA 95134 0 1 0 1 President and CEO President and CEO Common Stock 2008-03-18 4 A 0 100000 A 379546 D Common Stock 2008-04-30 4 F 0 8937 21.28 D 371463 D The Board of Directors previously approved a grant on April 30, 2007 of RSUs to which vesting as to 100% of such RSUs would be contingent on the Company achieving net income from continuing operations as a percentage of net sales of 18% or greater for fiscal year 2007 (the "Performance Metric"). Upon the achievement of the Performance Metric, 25% of such RSUs shall vest in four equal annual installments beginning April 30, 2008. Effective March 18, 2008, the Board resolved that the Company achieved the Performance Metric for fiscal year 2007. Shares are subject to vesting over a period of time. Each restricted stock unit represents a right to receive one share of the Issuer's common stock at no cost. Shares withheld to cover taxes on RSU shares released April 30, 2008. Includes 1,335 shares acquired under Altera Corporation 1987 Employee Stock Purchase Plan. John Daane 2008-05-02