X0306 4 2015-12-31 0001110803 ILLUMINA INC ILMN 0001205903 RASTETTER WILLIAM H 5200 ILLUMINA WAY SAN DIEGO CA 92122 1 Common Stock 2015-12-31 4 A 0 182 164.1379 A 8494 D Common Stock 86680 I By Trust Dr. Rastetter elected to receive 100% of his 2015 board and committee cash retainer fees in Illumina common stock. The number of shares issued in lieu of cash is fixed at the end of each calendar quarter based on the weighted average closing price of Illumina common stock during such calendar quarter. The amount reported on this Form represents Dr. Rastetter's fourth quarter 2015 retainer fees. By: Scott M. Davies for William H. Rastetter 2016-01-04