MSA SAFETY INC

Ticker: MSA CUSIP: 553498106 Class: Com

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

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

Q4 2023

Shares 969,311 Value ($000) $163,649 Avg Close $162.61 Range $147.35 - $179.43

Q3 2023

Shares 1,776,796 Value ($000) $280,112 Avg Close $171.77 Range $157.40 - $185.57

Q2 2023

Shares 1,570,070 Value ($000) $273,129 Avg Close $143.11 Range $122.57 - $176.00

Q1 2023

Shares 306,927 Value ($000) $40,975 Avg Close $134.73 Range $127.94 - $146.33

Q4 2018

Shares 207,018 Value ($000) $19,515,587 Avg Close $102.10 Range $86.72 - $110.83

Q3 2018

Shares 316,955 Value ($000) $33,736,690 Avg Close $100.99 Range $91.22 - $108.86

Q2 2018

Shares 204,426 Value ($000) $19,694,401 Avg Close $90.37 Range $80.86 - $97.36

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2023	969,311	$163,649	$162.61	$147.35 - $179.43
Q3 2023	1,776,796	$280,112	$171.77	$157.40 - $185.57
Q2 2023	1,570,070	$273,129	$143.11	$122.57 - $176.00
Q1 2023	306,927	$40,975	$134.73	$127.94 - $146.33
Q4 2018	207,018	$19,515,587	$102.10	$86.72 - $110.83
Q3 2018	316,955	$33,736,690	$100.99	$91.22 - $108.86
Q2 2018	204,426	$19,694,401	$90.37	$80.86 - $97.36