Vision Marine Technologies Advances E-Motion™ Platform Through Real-World Boat Testing and System-Level Technology Improvements

About this update from Vision Marine Technologies Inc.

Technology / E-Motion™ Platform ExecutionVision Marine is using data and feedback from multiple E-Motion™ boat integrations to advance key areas of its high-voltage marine propulsion platform. Recent improvements across cooling efficiency, battery capacity, firmware, assembly architecture and system enclosures are intended to support scalability, serviceability and future commercial readiness.BOISBRIAND, QC, June 9, 2026 /PRNewswire/ -- Vision Marine Technologies Inc. (NASDAQ: VMAR; TSXV: VMAR) ("Vision Marine" or the "Company"), a marine technology company and vertically integrated recreational boating platform, today provided an update on continued technology advancements across its E-Motion™ high-voltage electric marine propulsion system. The update reflects Vision Marine's ongoing process of converting real-world testing, vessel integration work and on-water feedback into targeted system improvements. Management believes this feedback loop is important as the Company continues to refine E-Motion™ for different vessel configurations, customer use cases and service environments.Recent development work includes an approximate 10% increase in cooling efficiency recorded during internal testing under evaluated conditions, following continuous engineering refinements and on-water validation. Cooling performance is a key operating area for high-voltage marine propulsion, particularly across varying vessel loads, speeds and water conditions.The Company also recently received refined high-voltage battery packs from Octillion Power Systems Inc. for E-Motion™ integration validation. The refined design provides approximately 7.5% more capacity per pack within a similar footprint compared with Vision Marine's current production pack. Integration remains ongoing, including mechanical fitment, electrical communication, output capability, charging compatibility and vessel-level performance.Vision Marine has also reduced certain assembly complexity within the E-Motion™ system through bill-of-material review, part-count reduction and simplified component architecture. These initiatives are intended to support manufacturability, service access and cost discipline over time, although actual cost reductions or margin impact remain subject to validation, supplier pricing, production volume and commercialization timing.In parallel, the Company has refactored elements of its...

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