Heckes Howard C

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
15 May 24	DOOR Masonite International	Common Shares	Sale back to company	Dispose D	No	No	0	115,842	0.00	0
15 May 24	DOOR Masonite International	Common Shares	Sale back to company	Dispose D	No	No	133	74,680	9.93 mm	115,842
15 May 24	DOOR Masonite International	Common Shares	Grant	Acquire A	No	No	0	77,523	0.00	190,522
8 May 24	DOOR Masonite International	Common Shares	Sale back to company	Dispose D	No	No	132.62	8,536	1.13 mm	112,999
8 May 24	DOOR Masonite International	Common Shares	Payment of exercise	Dispose F	No	No	132.62	1,647	218.43 k	121,535
8 May 24	DOOR Masonite International	Common Shares	Option exercise	Acquire M	No	No	88.99	12,720	1.13 mm	123,182
8 May 24	DOOR Masonite International	Common Shares	Sale back to company	Dispose D	No	No	132.62	8,567	1.14 mm	110,462
8 May 24	DOOR Masonite International	Common Shares	Payment of exercise	Dispose F	No	No	132.62	1,675	222.14 k	119,029
8 May 24	DOOR Masonite International	Common Shares	Option exercise	Acquire M	No	No	88.61	12,821	1.14 mm	120,704
8 May 24	DOOR Masonite International	Common Shares	Sale back to company	Dispose D	No	No	132.62	9,396	1.25 mm	107,883

Data from 3, 4 and 5 filings. Values as filed, not updated for current price.