Valneva USA Inc.,* Gaithersburg, Maryland, has been awarded a maximum $40,401,200 modification (P00001) exercising the first one-year option period of a one-year base contract (SPE2DP-20-D-0005) with two one-year option periods for Japanese Encephalitis vaccines. This was a sole-source acquisition using justification 10 U.S. Code 2304 (c)(1), as stated in Federal Acquisition Regulation 6.302-1. This is a firm-fixed-price, indefinite-delivery/indefinite-quantity contract. Locations of performance are Maryland and United Kingdom, with a Sept. 1, 2022, ordering period end date. Using military services are Marine Corps, Air Force, Navy and Army. Type of appropriation is fiscal 2021 through 2022 defense working capital funds. The contracting activity is the Defense Logistics Agency Troop Support, Philadelphia, Pennsylvania.