8 Rivers Capital, LLC and Beauchamp Family Disclose Sales of NET Power Inc. Class A Common Stock

8 Rivers Capital, LLC, along with Damian R. Beauchamp and Cynda Beauchamp, reported the sale of NET Power Inc. Class A Common Stock over three days in October 2025. On October 23, 284,100 shares were sold at a weighted average price of $3.6901, reducing their holdings to 3,000,000 shares. On October 24, 32,583 shares were sold at a weighted average price of $3.7039, bringing their holdings down to 2,967,417 shares. Finally, on October 27, 200,000 shares were sold at a weighted average price of $3.7662, leaving them with 2,767,417 shares. 8 Rivers Capital, LLC, which holds approximately 91.4% of NPEH, LLC, and the Beauchamp family, who indirectly own about 34.2% of 8 Rivers, disclaim beneficial ownership of these securities except to the extent of their pecuniary interest.