ANCHORAGE, Alaska, March 23, 2026 /PRNewswire/ - U.S. GoldMining Inc. (NASDAQ: USGO) ("U.S. GoldMining" or the "Company") is pleased to announce that it has filed an S-K 1300 technical report summary (the "S-K 1300 Report") and a Canadian National Instrument 43-101 ("NI 43-101") technical report respecting the initial economic assessment for the initial economic assessment (the "PEA") on its 100%-owned Whistler Gold-Copper Project ("Whistler" or the "Project") in Alaska reported in its news release dated March 2, 2026. 2026 Whistler PEA Highlights1: Strong economics and quick payback: After-tax net present value at 5% discount rate ("NPV5%") of $2.0 billion, an internal rate of return ("IRR") of 33%, and initial payback of 2.1 years, at Base Prices.