Kaye David M

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
15 Jan 24	BCHT Birchtech	Stock Option Common Stock	Grant	Acquire A	No	No	0.88	100,000	88.00 k	100,000
11 Dec 23	BCHT Birchtech	Common Stock	Payment of exercise	Dispose F	No	No	0.9902	1,578	1.56 k	275,356
11 Dec 23	BCHT Birchtech	Common Stock	Option exercise	Acquire M	No	No	0.25	6,250	1.56 k	276,934
11 Dec 23	BCHT Birchtech	Stock Option Common Stock	Option exercise	Dispose M	No	No	0.25	6,250	1.56 k	0
30 Nov 23	BCHT Birchtech	Common Stock	Payment of exercise	Dispose F	No	No	0.9768	2,112	2.06 k	270,684
30 Nov 23	BCHT Birchtech	Common Stock	Option exercise	Acquire M	No	No	0.33	6,250	2.06 k	272,796
30 Nov 23	BCHT Birchtech	Stock Option Common Stock	Option exercise	Dispose M	No	No	0.33	6,250	2.06 k	0
31 Oct 23	BCHT Birchtech	Common Stock	Payment of exercise	Dispose F	No	No	0.4058	3,081	1.25 k	266,546
31 Oct 23	BCHT Birchtech	Common Stock	Option exercise	Acquire M	No	No	0.2	6,250	1.25 k	269,627
31 Oct 23	BCHT Birchtech	Stock Option Common Stock	Option exercise	Dispose M	No	No	0.2	6,250	1.25 k	0

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