NET POWER INC

Ticker: NPWR/WS CUSIP: 64107A113 Class: *W EXP 06/08/202

K2 PRINCIPAL FUND, L.P.'s Holding History (CIK: 0001461790)

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

Q4 2025
Shares 46,181 Value ($000) $23 Avg Close — Range —
Q3 2025
Shares 46,181 Value ($000) $35 Avg Close — Range —
Q2 2025
Shares 46,181 Value ($000) $15 Avg Close — Range —
Q1 2025
Shares 37,091 Value ($000) $11 Avg Close — Range —
Q4 2024
Shares 29,807 Value ($000) $107 Avg Close — Range —