Johnathan Stevan Zoeller

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
21 Mar 24	WLK Westlake	Common Stock	Sale back to company	Dispose D	No	No	150.565	657	98.92 k	4,416
21 Mar 24	WLK Westlake	Common Stock	Option exercise	Acquire M	No	No	122.65	68	8.34 k	5,073
21 Mar 24	WLK Westlake	Common Stock	Option exercise	Acquire M	No	No	108.1175	296	32.00 k	5,005
21 Mar 24	WLK Westlake	Common Stock	Option exercise	Acquire M	No	No	86.5379	293	25.36 k	4,709
21 Mar 24	WLK Westlake	Employee Option Common Stock	Option exercise	Dispose M	No	No	122.65	68	8.34 k	1,457
21 Mar 24	WLK Westlake	Employee Option Common Stock	Option exercise	Dispose M	No	No	108.1175	296	32.00 k	878
21 Mar 24	WLK Westlake	Employee Option Common Stock	Option exercise	Dispose M	No	No	86.5379	293	25.36 k	0
8 Mar 24	WLK Westlake	Common Stock	Sale back to company	Dispose D	No	No	142.09	2,776	394.44 k	4,416
8 Mar 24	WLK Westlake	Common Stock	Option exercise	Acquire M	No	No	122.65	649	79.60 k	7,192
8 Mar 24	WLK Westlake	Common Stock	Option exercise	Acquire M	No	No	108.1175	1,408	152.23 k	6,543

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