(MAS)

Transactions Table

Type	Sym	Class	Transaction	Value $	Shares	Change %	Price $	Shares After	Date	Ownership	Footnotes
transaction	MAS	Common Stock	Options Exercise	$654 K	+25.6 K	+53.87%	$25.51	73.2 K	Jul 28, 2023	Direct
transaction	MAS	Common Stock	Sale	-$1.57 M	-25.6 K	-35.01%	$61.14	47.6 K	Jul 28, 2023	Direct	F1
transaction	MAS	Common Stock	Sale	-$952 K	-15.6 K	-32.74%	$61.11	32 K	Jul 28, 2023	Direct	F2

Type	Sym	Class	Transaction	Value $	Shares	Change %	Price $	Shares After	Date	Underlying Class	Amount	Exercise Price	Ownership	Footnotes
transaction	MAS	Employee Stock Option	Options Exercise		-25.6 K	-100%		0	Jul 28, 2023	Common Stock	25.6 K	$25.51	Direct	F3, F4

Id	Content
F1	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $61.12 to $61.19, inclusive. The reporting person undertakes to provide to Masco Corporation, any security holder of Masco Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote (1) to this Form 4.
F2	The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $61.10 to $61.17, inclusive. The reporting person undertakes to provide to Masco Corporation, any security holder of Masco Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in footnote (2) to this Form 4.
F3	This option became exercisable in five equal annual installments of 5,125 shares commencing February 10, 2017.
F4	Grant of option under the Masco Corporation 2014 Long Term Stock Incentive Plan in transaction exempt under Rule 16b-3.