From Guben to Red Rock: Rock Tech and Siemens Form Strategic Partnership to Transfer Proven German Lithium Conversion Expertise to Canada's Next Strategic Lithium Conversion Project Supporting G7 Critical Minerals Cooperation

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TORONTO, March 2, 2026 /CNW/ - Rock Tech Lithium Inc. (TSXV: RCK) (OTCQX: RCKTF) (FWB: RJIB) (WKN: A1XF0V) (the "Company" or "Rock Tech") and Siemens Canada Ltd. (Siemens) are pleased to announce that they have signed a non-binding Memorandum of Understanding (MoU) laying the foundation for a long-term, multi-phase strategic partnership to develop state-of-the-art lithium conversion capacity. The signing took place at the Canadian Critical Minerals Forum hosted by Natural Resources Canada (NRCan) during Prospectors and Developers Association of Canada Trade Show and Convention (PDAC) – the world's leading conference for the mining and minerals industry. At the core of the partnership is the application of Siemens' cutting-edge digitalization technology – in particular Digital Twin solutions – for the development, construction, and operation of Rock Tech's planned lithium converter in Red Rock, Ontario. The partnership translates the strategic critical raw material cooperation between Canada and Germany into concrete, on-the-ground collaboration. Siemens brings German industrial and digitalization expertise to a Canadian flagship project built on the blueprint of the fully permitted, shovel-ready Guben converter in Germany. The public signing underscores the strategic importance of Red Rock for Canada's efforts to build resilient and sovereign midstream capacity for critical minerals – and reinforces broader Canada-Germany cooperation aligned within the G7 critical minerals supply chain priorities. The parties intend to explore available funding opportunities to support deployment of Digital-Twin technology. Proven Blueprint Enables Accelerated ExecutionThe Red Rock converter will be developed based on the fully permitted and engineered facility in Guben, Germany. By transferring this blueprint to Canada, development timelines can be shortened, technical risks minimized, and capital efficiency increased. Leveraging the engineering and permitting work completed in Guben materially reduces execution risk and supports a more efficient path toward final investment decision in Canada. The planned production capacity of up to 32,000 tonnes of LCE per year would be sufficient to supply up to 900,000 electric vehicles annually. "Red Rock will be Ontario's first lithium conversion facility and is a key project ...

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