ILLUMINA INC

Ticker: ILMN CUSIP: 452327109 Class: COM

WATER ISLAND CAPITAL LLC's Holding History (CIK: 0001222765)

Note: Option positions (PUT/CALL) are excluded.

Q2 2015

Shares 1,800 Value ($000) $393,048 Avg Close $195.32 Range $173.81 - $217.00

Q1 2015

Shares 1,800 Value ($000) $334,152 Avg Close $188.35 Range $173.66 - $207.52

Q4 2014

Shares 600 Value ($000) $110,748 Avg Close $176.23 Range $141.17 - $191.99

Q3 2014

Shares 600 Value ($000) $98,352 Avg Close $167.17 Range $152.58 - $179.96

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2015	1,800	$393,048	$195.32	$173.81 - $217.00
Q1 2015	1,800	$334,152	$188.35	$173.66 - $207.52
Q4 2014	600	$110,748	$176.23	$141.17 - $191.99
Q3 2014	600	$98,352	$167.17	$152.58 - $179.96