X0508 4 2025-06-05 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 433334 D Common Stock 113754 I Rabbi Trust Restricted Stock Units 2025-06-05 4 A 0 4456 0 A Common Stock 4456 4456 D Restricted Stock Units Common Stock 4195 4195 D Not applicable. Each Restricted Stock Unit represents the right to receive one share of the Issuer's common stock upon vesting. Not Applicable. The acquisition reflects an award of Restricted Stock Units pursuant to the Company's 2019 Equity Incentive Plan. The award vests on the first anniversary of the grant date, subject to accelerated vesting under certain circumstances. Stephen C. Taylor 2025-06-09