TUCSON, AZ, Sept. 14, 2026 (GLOBE NEWSWIRE) -- Liberty Star Minerals (OTCQB: LBSR) (“Liberty Star” or the “Company”), a U.S. mineral exploration company focused on strategic and commercially important critical minerals in southeast Arizona, today announced that it has engaged Rick Perry, former Governor of Texas and former U.S. Secretary of Energy, to serve as an advisor to the Company's Board of Directors on critical minerals strategy.