Loss per Share (Tables)

6 Months Ended

Jun. 30, 2026

Schedule of Loss per Share, Basic and Diluted

The following table sets forth the computation of the Company’s basic and diluted loss per share for the following periods:


	Three Months Ended June 30,				Six Months Ended June 30,
In thousands, except per share data	2026		2025		2026		2025
Numerator
Net loss after income tax	$	(206,932)	$	(82,047)	$	(232,741)	$	(455,633)
Net loss attributable to NET Power Inc.	$	(80,291)	$	(28,142)	$	(90,148)	$	(147,492)
Denominator
Weighted-average number of shares outstanding, basic and diluted	88,405		77,699		86,895		77,350



Loss per share attributable to shareholders, basic and diluted	$	(0.91)	$	(0.36)	$	(1.04)	$	(1.91)

Schedule of Antidilutive Securities Excluded from Computation of Earnings (Loss) per Share

Based on the amounts outstanding at June 30, 2026 and 2025, the Company excluded the following financial instruments from the computation of diluted loss per share because their inclusion would be anti-dilutive:


In thousands	June 30,
Anti-Dilutive Instruments	2026	2025
Public Warrants	8,621	8,621
Private Placement Warrants	10,900	10,900

Vested Class A OpCo Units	137,019	142,331
Unvested RSUs	3,626	2,273
Unvested PSUs	688	322
Make-Whole Awards	1,257	1,257
Stock Options	6,446	6,506
BHES Bonus Shares	—	2,068
Earnout Shares	—	329

Total	168,557	174,607