NET Power Inc. — Director's Dealing 2025

Apr 5, 2025

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: NET Power Inc. (NPWR)
CIK: 0001845437
Period of Report: 2025-04-02

Reporting Person: PATEL AKASH S. (Chief Financial Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2025-04-02	Restricted Stock Units	A	117757	—	Acquired	457790	Direct
2025-04-03	Class A Common Stock	S	7359	$2.2925	Disposed	0	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2025-04-02	Performance Stock Units	$	A	117757	Acquired		Class A Common Stock (117757)	Direct

Footnotes

F1: Restricted stock units that vest in three equal installments on each anniversary of April 2, 2025, subject to continued employment.

F2: The Reporting Person was issued 7,359 net shares of Class A Common Stock upon the vesting of 11,151 restricted stock units on April 2, 2025. The sale of such shares was effected pursuant to a Rule 10b5-1 trading plan.

F3: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions ranging from $2.25 to $2.39, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth above.

F4: The Reporting Person will receive a number of shares of Class A common stock equal to 50% of the number of PSUs upon attainment of a 10% compound annual growth rate ("CAGR") of the 30-day volume weighted average price ("VWAP") of a share of Class A common stock on April 2, 2028 as compared to the VWAP of a share of Class A common stock on April 2, 2025. The Reporting Person will receive a number of shares of Class A common stock equal to 100% of the number of PSUs upon attainment of a 12% CAGR of the VWAP of a share of Class A common stock on April 2, 2028 as compared to the VWAP of a share of Class A common stock on April 2, 2025. The Reporting Person will receive a number of shares of Class A common stock equal to 200% of the number of PSUs upon attainment of a 15% CAGR of the VWAP of a share of Class A common stock on April 2, 2028 as compared to the VWAP of a share of Class A common stock on April 2, 2025.