Robert M Klein

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
24 May 24	WMS Advanced Drainage Systems	Common Stock	Sell	Dispose S	No	No	175.9502	3,059	538.23 k	102,070
24 May 24	WMS Advanced Drainage Systems	Common Stock	Option exercise	Acquire M	No	No	96.51	1,169	112.82 k	105,129
24 May 24	WMS Advanced Drainage Systems	Common Stock	Option exercise	Acquire M	No	No	99.29	1,031	102.37 k	103,960
24 May 24	WMS Advanced Drainage Systems	Common Stock	Option exercise	Acquire M	No	No	105.82	859	90.90 k	102,929
24 May 24	WMS Advanced Drainage Systems	Option to Purchase Common Stock Common Stock	Option exercise	Dispose M	No	No	96.51	1,169	112.82 k	2,337
24 May 24	WMS Advanced Drainage Systems	Option to Purchase Common Stock Common Stock	Option exercise	Dispose M	No	No	99.29	1,031	102.37 k	1,031
24 May 24	WMS Advanced Drainage Systems	Option to Purchase Common Stock Common Stock	Option exercise	Dispose M	No	No	105.82	859	90.90 k	0
22 May 24	WMS Advanced Drainage Systems	Common Stock	Payment of exercise	Dispose F	No	No	177.06	130	23.02 k	102,070
19 May 24	WMS Advanced Drainage Systems	Common Stock	Payment of exercise	Dispose F	No	No	174.13	82	14.28 k	102,200
18 May 24	WMS Advanced Drainage Systems	Common Stock	Payment of exercise	Dispose F	No	No	174.13	105	18.28 k	102,282

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