James Mahon

Date	Company	Security	Transaction	Code	Indirect	10b5-1	$Price	#Shares	$Value	#Remaining
13 Sep 23	NPWR NET Power	Class A Common Stock	Sell	Dispose S	No	No	15.1181	26,126	394.98 k	0
12 Sep 23	NPWR NET Power	Class A Common Stock	Sell	Dispose S	No	No	15.0371	5,268	79.22 k	26,126
11 Sep 23	NPWR NET Power	Class A Common Stock	Sell	Dispose S	No	No	15.1115	20,000	302.23 k	31,394
8 Sep 23	NPWR NET Power	Class A Common Stock	Sell	Dispose S	No	No	15.7142	20,000	314.28 k	51,394
7 Sep 23	NPWR NET Power	Class A Common Stock	Sell	Dispose S	No	No	15.2066	20,000	304.13 k	71,394
6 Sep 23	NPWR NET Power	Class A Common Stock	Sell	Dispose S	No	No	15.2509	8,606	131.25 k	91,394
29 Aug 23	NPWR NET Power	Class B Common Stock	Other	Dispose J	No	No	0	100,000	0.00	593,028
29 Aug 23	NPWR NET Power	Class A Common Stock	Conversion	Acquire C	No	No	0	100,000	0.00	100,000
29 Aug 23	NPWR NET Power	Class A Units of NET Power Operations LLC Class A Common Stock	Conversion	Dispose C	No	No	0	100,000	0.00	593,028

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