OSI SYSTEMS INC

Ticker: OSIS CUSIP: 671044105 Class: EQTY

Select Equity Group, L.P.'s Holding History (CIK: 0001592643)

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

Q4 2019

Shares 176,547 Value ($000) $17,785,345 Avg Close $98.82 Range $93.98 - $102.81

Q3 2019

Shares 189,216 Value ($000) $19,216,777 Avg Close $108.01 Range $93.05 - $117.21

Q2 2019

Shares 208,564 Value ($000) $23,490,563 Avg Close $100.77 Range $85.22 - $114.42

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2019	176,547	$17,785,345	$98.82	$93.98 - $102.81
Q3 2019	189,216	$19,216,777	$108.01	$93.05 - $117.21
Q2 2019	208,564	$23,490,563	$100.77	$85.22 - $114.42