X0306 4 2015-05-13 0 0000768251 ALTERA CORP ALTR 0001299645 Shoemaker John C 101 INNOVATION DRIVE SAN JOSE CA 95134 1 0 0 0 Common Stock 2015-05-13 4 M 0 1307.0 0.0 A 31319 D Restricted Stock Unit (RSU) 2015-05-13 4 M 0 1307.0 0.0 D Common Stock 1307 5275 D Each Restricted Stock Unit ("RSU") represents a right to receive at settlement one share of Altera common stock at no cost. On May 8, 2012, the Reporting Person received a grant of RSUs that vest over a three-year period. One-third of the RSUs vested on May 13,2015 and the shares were delivered to the Reporting Person on such date. John Charles Shoemaker 2015-05-14