Lewis Earl R

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
15 Jul 24	TGEN Tecogen	Common Stock	Buy	Acquire P	No	No	0.68	10,000	6.80 k	625,000
15 Jul 24	TGEN Tecogen	Common Stock	Buy	Acquire P	Yes	No	0.68	10,000	6.80 k	635,000
6 Jun 24	TGEN Tecogen	Stock Options Common Stock	Grant	Acquire A	No	No	0.77	25,000	19.25 k	200,000
1 May 24	TGEN Tecogen	Common Stock	Buy	Acquire P	No	No	0.75	5,000	3.75 k	615,000
24 Apr 24	TGEN Tecogen	Common Stock	Buy	Acquire P	No	No	0.68	10,000	6.80 k	610,000

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