Quantum to Discuss Securing Critical Mineral Supply Chains with Industry Leaders

Vancouver, BC — May 11, 2026 — Leads & Copy — Quantum Critical Metals Corp. (TSX.V: LEAP) (OTCQB: ATOXF) (FSE: 86A1) will participate in the CMI Summit 5 — “The New Critical Minerals Economy” — May 13–14, 2026, in Toronto, Canada.

The CMI Summit gathers global leaders from the mining, defense, technology, and policy sectors to discuss the increasing demand for secure and sustainable supply chains for critical minerals. The event is a forum for collaboration and innovation in the critical minerals sector.

Quantum’s participation highlights its commitment to strengthening North American critical mineral supply chains and supporting strategic projects related to electrification, advanced manufacturing, and national security.

Marcy Kiesman, CEO & Director of Quantum Critical Metals Corp., will give a presentation on Day 1 (Wednesday, May 13) from 12:55–1:10 PM titled: “A Modern-Day Explorer’s Perspective on the Hidden Geopolitics of Rubidium, Gallium, and Cesium.”

The presentation will discuss how industry leaders identify and prioritize strategically important critical minerals in a competitive global market.

Kiesman said Quantum is pleased to participate in the CMI Summit alongside industry leaders focused on securing the future of critical minerals. She added that Quantum continues to advance projects targeting key elements such as rubidium, gallium and other strategic materials, and looks forward to contributing to discussions shaping the sector.

Quantum will engage with industry participants, investors, and government representatives at the Summit, showcasing its Canadian critical mineral projects and its role in supporting domestic and allied supply chains. Quantum has aligned itself with the Critical Minerals Institute as part of its strategy to collaborate with industry partners and contribute to the development of a secure critical minerals ecosystem.

The Critical Minerals Institute (CMI) is a global think tank for the critical minerals economy, connecting companies, capital markets, and policymakers. It delivers intelligence through its monthly CMI Masterclasses, weekly Critical Minerals Report (CMR), bespoke research, and advisory services across exploration finance, supply chains, and geopolitics. CMI also organizes the Annual Critical Minerals Institute Summit.

Quantum Critical Metals Corp. (TSX.V: LEAP) (OTCQB: ATOXF) (FSE: 86A1) is a Canadian mineral exploration company focused on rubidium, gallium, cesium, and silver. It is advancing an exploration portfolio in North American jurisdictions. The Company’s assets include the NMX East and Discovery Rubidium-Gallium-Cesium Projects in the James Bay region of Québec and the Babine South Silver Project near Burns Lake, British Columbia.

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Source: Quantum Critical Metals Corp.