X0708 D LIVE 0002162745 Lime Rock Partners X, L.P. 274 RIVERSIDE AVENUE 3RD FLOOR WESTPORT CT CONNECTICUT 06880 (203) 293-2750 DELAWARE None None Limited Partnership true 2026 n/a Lime Rock Partners GP X, L.P. c/o Lime Rock Management LP 274 Riverside Avenue, 3rd Floor Westport CT CONNECTICUT 06880 Executive Officer Promoter General Partner of the Issuer (the "GP") n/a Lime Rock Management LP 274 Riverside Avenue, 3rd Floor Westport CT CONNECTICUT 06880 Promoter Manager of the Issuer (the "Manager") Jeffrey Scofield c/o Lime Rock Management LP 274 Riverside Avenue, 3rd Floor Westport CT CONNECTICUT 06880 Executive Officer Promoter Member of the general partner of the GP John Reynolds c/o Lime Rock Management LP 274 Riverside Avenue, 3rd Floor Westport CT CONNECTICUT 06880 Executive Officer Promoter Member of the general partner of the GP Susan M. Oswald c/o Lime Rock Management LP 274 Riverside Avenue, 3rd Floor Westport CT CONNECTICUT 06880 Executive Officer Chief Financial Officer, Secretary and an authorized signatory of the general partner of the GP Pooled Investment Fund Private Equity Fund false Decline to Disclose 06b 3C 3C.1 3C.7 false true true true true Limited Partnership Interests false 0 Indefinite 0 Indefinite false 0 0 0 0 false Lime Rock Partners X, L.P. /s/ Susan M. Oswald Susan M. Oswald CFO of the general partner of the GP 2026-11-04