OTC Markets Group Welcomes New OTCQB Companies - May 18

OTC Markets Group Inc. (OTCQX: OTCM), operator of regulated markets for trading 12,000 U.S. and international securities, announced the following compan ies are approved for trading on the OTCQB Venture Market:

Reviva Pharmaceuticals Holdings, Inc. (OTCQB: RVPH) a biopharmaceutical company, discovers, develops, and commercializes next-generation therapeutics for diseases targeting unmet medical needs in the areas of central nervous system, respiratory, inflammatory, and cardiometabolic diseases.

URANIUMX DISCOVERY CORP. (CSE: STMN; OTCQB: STMXF) a Canadian mineral exploration company focused on the acquisition, exploration and development of uranium properties in Saskatchewan's Athabasca Basin, one of the world's premier uranium jurisdictions .

zSpace , Inc (OTCQB: ZSPC) delivers innovative augmented and virtual reality (AR/VR) experiences that drive achievement in STEM, CTE, and career readiness programs.

U.S. investors can find current financial disclosure and Real-Time Level 2 quotes for these companies on www.otcmarkets.com .

About OTC Markets Group Inc.

OTC Markets Group Inc. (OTCQX: OTCM) operates regulated markets for trading 12,000 U.S. and international securities. Our data-driven disclosure standards form the foundation of our public markets: OTCQX® Best Market, OTCQB® Venture Market, OTCID™ Basic Market and Pink Limited™ Market. Our OTC Link® Alternative Trading Systems (ATSs) provide critical market infrastructure that broker-dealers rely on to facilitate trading. Our innovative model offers companies more efficient access to the U.S. financial markets.

OTC Link ATS, OTC Link ECN, OTC Link NQB, OTC Overnight® and MOON ATS® are each SEC regulated ATS, operated by OTC Link LLC, a FINRA and SEC registered broker-dealer, member SIPC. To learn more about how we create better informed and more efficient markets, visit www.otcmarkets.com .