NPEH, LLC 4

What Happened
NPEH, LLC, a reported 10% owner of NET Power, sold a total of 188,517 Class A common shares in open-market transactions. On 2026-02-19 it sold 125,000 shares at a weighted average price of $2.14 for proceeds of $267,638; on 2026-02-20 it sold 63,517 shares at a weighted average price of $2.03 for proceeds of $129,232. Combined proceeds were approximately $396,870. These transactions are sales (not purchases or option exercises).

Key Details

• Transaction dates: Feb 19, 2026 (125,000 shares) and Feb 20, 2026 (63,517 shares).
• Reported weighted-average prices and proceeds: $2.14 → $267,638 (Feb 19); $2.03 → $129,232 (Feb 20). Total ≈ $396,870.
• Footnote F1: Feb 19 price reflects a weighted average; individual trade prices ranged $2.10–$2.17.
• Footnote F2: Feb 20 price reflects a weighted average; individual trade prices ranged $2.00–$2.1175. NPEH will provide a per-trade breakdown on request to the SEC, issuer, or security holder.
• Shares owned after the transactions: not specified in the provided excerpt of the filing.
• Filing: Form 4 filed 2026-02-23 (covers transactions of Feb 19–20); filing timing is consistent with Form 4 reporting requirements (timely).

Context
NPEH is a 10% owner (an institutional holder), not an officer or director; such institutional sales can be routine portfolio/holding adjustments and should not be interpreted as an insider’s personal view. The filing is purely reporting these sales; no options or awards were exercised in these transactions.