MASCO CORP

Ticker: MAS CUSIP: 574599106 Class: COM

FRONTIER CAPITAL MANAGEMENT CO LLC's Holding History (CIK: 0000351173)

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

Q3 2020

Shares 509,001 Value ($000) $28,061 Avg Close $51.02 Range $44.72 - $54.83

Q2 2020

Shares 661,601 Value ($000) $33,219 Avg Close $39.39 Range $28.99 - $45.88

Q1 2020

Shares 699,513 Value ($000) $24,182 Avg Close $39.55 Range $24.49 - $45.34

Q4 2019

Shares 805,284 Value ($000) $38,646 Avg Close $41.05 Range $36.07 - $43.68

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2020	509,001	$28,061	$51.02	$44.72 - $54.83
Q2 2020	661,601	$33,219	$39.39	$28.99 - $45.88
Q1 2020	699,513	$24,182	$39.55	$24.49 - $45.34
Q4 2019	805,284	$38,646	$41.05	$36.07 - $43.68