X0708 D LIVE 0002107841 Andreessen Horowitz Fund X-B - AI Infrastructure, L.P. 2865 SAND HILL ROAD, SUITE 101 MENLO PARK CA CALIFORNIA 94025 (650) 798-5800 DELAWARE None None Limited Partnership true 2026 Marc Andreessen 2865 Sand Hill Road, Suite 101 Menlo Park CA CALIFORNIA 94025 Executive Officer Managing Member of the GP of the Issuer's GP Ben Horowitz 2865 Sand Hill Road, Suite 101 Menlo Park CA CALIFORNIA 94025 Executive Officer Managing Member of the GP of the Issuer's GP Pooled Investment Fund Venture Capital Fund false Not Applicable 06b 3C 3C.1 false true false true false 0 Indefinite 0 Indefinite false 0 0 0 0 true false Andreessen Horowitz Fund X-B - AI Infrastructure, L.P. /s/ Phil Hathaway Phil Hathaway Chief Operating Officer of the GP of the Issuer's GP 2026-07-16