NMG Provides Q2 2026 Update and Highlights a Defining Quarter Shifting From Development to Execution of Its Matawinie Mine

MONTRÉAL — Nouveau Monde Graphite Inc. (“NMG” or the “Company”) ( NYSE : NMG , TSX : NOU ) provides a quarterly update on its financial and operational performance and strategic progress for the second quarter ended June 30, 2026. Aligned with its strategy to develop one of the first fully integrated natural graphite production platforms in the G7, this second quarter was marked by the Financial Investment Decision (FID) and construction launch of the Matawinie Mine, while the Company also actively continued to advance key activities supporting a targeted FID in H2 2026 for its 13ktpy Bécancour Battery Material plant.

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“The second quarter of 2026 was a key chapter in NMG’s journey,” said Eric Desaulniers, NMG Founder, President and Chief Executive Officer. “With the successful financing and launch of construction activities at the Matawinie Mine, we transitioned from years of planning and development into execution all while remaining focused on advancing the next major development stage for our 13ktpy Bécancour Battery Material Plant. At a time when supply chain security, industrial resilience and strategic autonomy have become key priorities, these milestones reflect the dedication of our team, the confidence of our partners and shareholders, and the continued strategic importance of NMG’s integrated graphite operations in Western markets. The momentum from the second quarter is carrying us into our next stage of growth, with a clear focus on advancing construction at the Matawinie Mine, securing FID for our 13ktpy Bécancour Battery Material Plant, and continuing to position NMG for the opportunities that lie ahead.”

In May, following the successful private placement and debt financing commitment, NMG confirmed the FID for the Phase 2 Matawinie Mine and officially launched construction in the presence of federal and provincial leaders, including the Prime Minister of Canada, as well as community representatives, Indigenous partners and industry stakeholders.

Since the launch of construction, the Company reports ongoing progress at the Matawinie Mine, with activities remaining within the overall budget. As of June 30, 2026, C$33 million had been incurred in project expenditures and C$167 million had been committed, reflecting ongoing construction, engineering, procurement and project execution activities. Primary focus has been on civil works, with first concrete pours undertaken in July 2026. Key activities also included excavation for the concentrator and associated infrastructure at the industrial platform, excavation of water control structures, backfill of material into the overburden and organic stockpiles, continued advancement of detailed engineering and procurement of key equipment and construction packages and initiation of deposits on critical long-lead equipments.

In addition, the amendment to Decree 47-2021 for the Matawinie Mine (Phase 2) was officially published on August 5, 2026. It updates the initial government authorization issued in 2021 to reflect the project’s evolution since then.