MASCO CORP

Ticker: MAS CUSIP: 574599106 Class: COM

THIRD AVENUE MANAGEMENT LLC's Holding History (CIK: 0001099281)

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

Q4 2017

Shares 558,114 Value ($000) $24,524 Avg Close $35.80 Range $33.80 - $39.17

Q3 2017

Shares 556,045 Value ($000) $21,692 Avg Close $33.12 Range $31.72 - $34.42

Q2 2017

Shares 779,146 Value ($000) $29,772 Avg Close $32.06 Range $28.82 - $34.52

Q1 2017

Shares 856,047 Value ($000) $29,097 Avg Close $29.20 Range $27.36 - $30.53

Q4 2016

Shares 852,594 Value ($000) $26,959 Avg Close $27.95 Range $25.61 - $30.47

Q3 2016

Shares 787,625 Value ($000) $27,023 Avg Close $30.05 Range $26.26 - $32.48

Q2 2016

Shares 990,521 Value ($000) $30,647 Avg Close $27.32 Range $25.22 - $28.52

Q1 2016

Shares 1,425,398 Value ($000) $44,829 Avg Close $23.79 Range $19.95 - $27.39

Q4 2015

Shares 1,528,258 Value ($000) $43,250 Avg Close $24.50 Range $21.34 - $26.34

Q3 2015

Shares 1,840,671 Value ($000) $46,348 Avg Close $22.00 Range $19.31 - $24.52

Q2 2015

Shares 1,718,680 Value ($000) $45,837 Avg Close $20.22 Range $19.12 - $21.30

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2017	558,114	$24,524	$35.80	$33.80 - $39.17
Q3 2017	556,045	$21,692	$33.12	$31.72 - $34.42
Q2 2017	779,146	$29,772	$32.06	$28.82 - $34.52
Q1 2017	856,047	$29,097	$29.20	$27.36 - $30.53
Q4 2016	852,594	$26,959	$27.95	$25.61 - $30.47
Q3 2016	787,625	$27,023	$30.05	$26.26 - $32.48
Q2 2016	990,521	$30,647	$27.32	$25.22 - $28.52
Q1 2016	1,425,398	$44,829	$23.79	$19.95 - $27.39
Q4 2015	1,528,258	$43,250	$24.50	$21.34 - $26.34
Q3 2015	1,840,671	$46,348	$22.00	$19.31 - $24.52
Q2 2015	1,718,680	$45,837	$20.22	$19.12 - $21.30