OSI SYSTEMS INC

Ticker: OSIS CUSIP: 671044105 Class: EQTY

Engaged Capital LLC's Holding History (CIK: 0001559771)

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

Q1 2014

Shares 40,909 Value ($000) $2,449 Avg Close $59.85 Range $51.85 - $66.78

Q4 2013

Shares 81,818 Value ($000) $4,345 Avg Close $68.42 Range $39.00 - $78.50

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2014	40,909	$2,449	$59.85	$51.85 - $66.78
Q4 2013	81,818	$4,345	$68.42	$39.00 - $78.50