OTC Markets Group Welcomes Grande Portage Resources Ltd. to OTCQX

NEW YORK, May 11, 2026 (GLOBE NEWSWIRE) -- OTC Markets Group Inc. (OTCQX: OTCM), operator of regulated markets for trading 12,000 U.S. and international securities, today announced Grande Portage Resources Ltd. (TSX-V: GPG; OTCQX: GPTRF), a mineral exploration company, has qualified to trade on the OTCQX® Best Market.