X0508 4 2025-05-15 0 0001084991 NATURAL GAS SERVICES GROUP INC NGS 0001316004 Taylor Stephen Charles 404 VETERANS AIRPARK LANE SUITE 300 MIDLAND TX 79705 1 0 0 0 0 Common Stock 2025-05-15 4 S 0 25000 24.9 D 433334 D Common Stock 113754 I Rabbi Trust Restricted Stock Units Common Stock 4195 4195 D These shares were sold in multiple transactions at prices ranging from $24.75 to $25.21 inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the SEC, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. Not Applicable. Each RSU represents the right to receive one share of the Issuer's common stock upon vesting. Stephen C. Taylor 2025-05-16