X0508 4 2025-11-17 0 0001838406 BKV Corp BKV 0001953932 Kalnin Christopher P 1200 17TH STREET, SUITE 2100 DENVER CO 80202 1 1 0 0 Chief Executive Officer 1 Common Stock 2025-11-17 4 S 0 78281 28.0369 D 1248580 D Common Stock 875754 I By Spouse The reported transaction was effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on March 14, 2025. The price reported in Column 4 is a weighted average sale price. These shares were sold in multiple transactions at prices ranging from $28.00 to $28.28, 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 in this footnote. /s/ Kathleen Lenox, attorney-in-fact 2025-11-17