ILLUMINA INC

Ticker: ILMN CUSIP: 452327109 Class: COM

DEERFIELD MANAGEMENT COMPANY, L.P.'s Holding History (CIK: 0001009258)

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

Q3 2015

Shares 11,000 Value ($000) $1,934 Avg Close $202.14 Range $156.82 - $235.77

Q1 2015

Shares 6,400 Value ($000) $1,188 Avg Close $188.35 Range $173.66 - $207.52

Q4 2014

Shares 4,000 Value ($000) $738 Avg Close $176.23 Range $141.17 - $191.99

Q1 2014

Shares 17,697 Value ($000) $2,631 Avg Close $146.95 Range $103.88 - $178.31

Q2 2013

Shares 8,399 Value ($000) $629 Avg Close $64.01 Range $52.31 - $75.01

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2015	11,000	$1,934	$202.14	$156.82 - $235.77
Q1 2015	6,400	$1,188	$188.35	$173.66 - $207.52
Q4 2014	4,000	$738	$176.23	$141.17 - $191.99
Q1 2014	17,697	$2,631	$146.95	$103.88 - $178.31
Q2 2013	8,399	$629	$64.01	$52.31 - $75.01