TRISO-X Announces 70-Acre Expansion of Oak Ridge Nuclear Fuel Campus

* Land Acquisition Expands Campus to ~180 Acres * Additional Acreage Supports Options for Long-Term Expansion Capacity OAK RIDGE, Tenn., Aug. 04, 2026 (GLOBE NEWSWIRE) -- HYPERLINK "triso-x.com"TRISO-X, LLC ("TRISO-X" or the “Company”), a wholly-owned subsidiary of X-Energy, Inc. (Nasdaq: XE) (“X-energy”), today announced the acquisition of approximately 70 acres of land adjacent to its commercial nuclear fuel campus in Oak Ridge, Tennessee, to support the continued development of the Company’s fuel fabrication campus. The expansion brings the total site footprint to over approximately 180 acres, supporting ongoing construction of a world-class TRISO-X fuel campus that advances East Tennessee’s position at the center of American innovation in advanced nuclear fuels.

The acquisition was formally announced at a meeting of the Oak Ridge Industrial Development Board. Comprising two separate tracks totaling approximately 70 acres, the purchase increases TRISO-X's footprint at the Horizon Center Industrial Park from 125 to more than approximately 180 acres, providing opportunities for additional space for utility corridors, equipment staging, fuel storage, and long-term expansion capacity.