First Canadian Graphite Mobilizes Field Crews to Lac Guéret South - Targeting New Kilometre-Scale Anomaly and High-Grade Zones

About this update from First Canadian Graphite Inc.

Active Exploration Underway on Zone 13 (New Conductor), Zone 1, Zone 4, and Zone 6 (High-Grade Graphite) MONTREAL, QC / ACCESS Newswire / June 29, 2026 / First Canadian Graphite Inc. (TSXV:FCI) (OTCQB:GRAPF) ("FC graphite" or the "Company") is please to announce that that field exploration activities have commenced at its flagship Lac Guéret South Project in Québec's Côte-Nord region. A strong technical team is now on the ground executing the 2026 program, with immediate focus on high-priority targets identified in the recent airborne EM and magnetic survey. Field crews have mobilized to explore Zone 13, a newly identified kilometre-scale electromagnetic anomaly as well as Zone 1, Zone 4 and Zone 6, the latter of which has returned high-grade graphite intercepts in previous drilling. This aggressive surface campaign follows the Company's June 16, 2026 announcement outlining the two-phase program and builds directly on the highly encouraging heliborne geophysical results that highlighted multiple untested and partially tested conductors across the large land package. "We are excited to have our team in the field and advancing our most promising targets," said John LaGourgue, FC graphite's CEO. "Zone 13 represents a compelling new discovery opportunity with significant scale potential, while Zones 1, 4 and 6 allow us to build on known high-grade graphite mineralization. The data and samples collected in the coming weeks will refine our understanding of these systems and fast-track the selection of drill targets for our planned 2026 fall diamond drilling campaign. This is a pivotal step in unlocking the district-scale potential of Lac Guéret South in a tier-one jurisdiction." Program Highlights and Next Steps: Beep Mat ground-truthing, prospecting, and geological mapping to delineate surface expressions of the EM conductors. Systematic grab sampling and structural analysis to evaluate graphite grades, widths, and orientations. Priority advancement of the highest-potential zones to be mechanically stripped and channel sampled later in the fall during rig mobilization to optimized drill hole locations. Results from this work will directly inform a maiden or expanded resource drilling program scheduled for late fall 2026. The Lac Guéret South Project (formerly Berkwood) covers a substantial land position in the Manicouagan region, strategically located near the...

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