confidential information has been omitted in places marked “ * * * * * ” and has been filed separately with the securities and exchange commission. confidential treatment has been requested with respect to this omitted information. services agreement to provide technical and resource support this services agreement ( “ agreement ” ), effective november 28, 2018 is made and entered into by and between x energy llc, a maryland limited liability company, with offices at 7701 greenbelt road, suite 320, greenbelt, maryland 20770 ( “ x - energy ” ), and american centrifuge operating, llc, a delaware limited liability company, with offices at 6901 rockledge drive, suite 800, bethesda, maryland 20817 ( ” aco ” ) ( each of x - energy and aco individually a “ party ” and collectively the “ parties ” ). whereas, x - energy is a u. s. nuclear power reactor and fuel design engineering services company that is developing the xe - 100 pebble bed small modular reactor ( “ xe - 100 ” ), a generation iv, high - temperature gas - cooled nuclear power reactor, and the associated nuclear fuel designs for the xe - 100 ; whereas, aco is a u. s. supplier of enriched uranium fuel for commercial nuclear power plants in the united states and around the world ; whereas, x - energy and the u. s. department of energy ( “ doe ” ) entered into an advanced nuclear technology development cooperative agreement no. de - ne0008475 ( “ cooperative agreement ” ), which provides doe funding, on a cost - shared basis for design and license application development for triso - x, and further allows in - kind contributions to fulfill a portion of x - energy ’ s cost - sharing obligation ( attached in exhibit a ) ; and whereas, x - energy and aco wish to enter into a contractual relationship whereby aco will provide i ) technical and resource support to x - energy on a time and materials or fixed - price basis for preliminary design and licensing of x - energy ’ s nuclear fuel production facility, and ii ) in - kind contributions in support of x - energy ’ s cooperative agreement in the form of low cost ) services pricing to x - energy. now, therefore, x - energy and aco agree as follows : 1. 1services. this is an indefinite delivery / indefinite quantity ( idiq ) services agreement that establishes the terms and conditions whereby x - energy will