MASCO CORP

Ticker: MAS CUSIP: 574599106 Class: COM

PFM Health Sciences, LP's Holding History (CIK: 0001442756)

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

Q1 2015

Shares 1,144,738 Value ($000) $30,565 Avg Close $19.32 Range $17.38 - $20.50

Q4 2014

Shares 675,852 Value ($000) $17,031 Avg Close $17.51 Range $14.79 - $19.07

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2015	1,144,738	$30,565	$19.32	$17.38 - $20.50
Q4 2014	675,852	$17,031	$17.51	$14.79 - $19.07