Amendment 1 – Revision of Quantities and Extension of Solicitation Due Date – DUNE AB EC Kemet *No Substitutes* AH478133

Hello, Brookhaven Science Associates, LLC (BSA), operator of Brookhaven National Laboratory (BNL) under Contract No. DE-SC0012704 with the U.S. Department of Energy (DOE), hereby issues Amendment No. 1 to Solicitation No. AH478133 for DUNE AB EC Kemet *No Substitutes*. This amendment includes: Revision of quantities for Draft Purchase Order (Enclosure A) Revision to AMS-043 (Enclosure B) Extension of the solicitation due date Offerors are advised to review all amendment attachments in their entirety. This amendment modifies the original solicitation issued on 05/11/2026. Upon an award the attached Terms and Conditions will apply. Thank you,