NET POWER INC

Ticker: NPWR CUSIP: 64107A105 Class: COM

TWO SIGMA INVESTMENTS, LP's Holding History (CIK: 0001179392)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 728,459 Value ($000) $1,661 Avg Close $3.13 Range $2.10 - $5.20

Q3 2025

Shares 821,793 Value ($000) $2,474 Avg Close $2.67 Range $2.07 - $3.51

Q2 2025

Shares 600,962 Value ($000) $1,484 Avg Close $2.10 Range $1.48 - $3.00

Q1 2025

Shares 72,207 Value ($000) $190 Avg Close $7.06 Range $2.28 - $11.83

Q4 2024

Shares 38,088 Value ($000) $403 Avg Close $9.80 Range $6.58 - $14.28

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	728,459	$1,661	$3.13	$2.10 - $5.20
Q3 2025	821,793	$2,474	$2.67	$2.07 - $3.51
Q2 2025	600,962	$1,484	$2.10	$1.48 - $3.00
Q1 2025	72,207	$190	$7.06	$2.28 - $11.83
Q4 2024	38,088	$403	$9.80	$6.58 - $14.28