What did First Phosphate’s infill drilling confirm at the Bégin-Lamarche property?

First Phosphate said the infill drilling confirmed extensive, continuous mineralisation throughout the existing horizon of its initial Mineral Resource Estimate, as well as two new phosphate intersects. The existing mineralised areas and the two new intersects have been defined in all directions and at depth, according to the company.

What is First Phosphate planning to do with the new assay results?

First Phosphate said the Mineral Resources identified in its initial Mineral Resource Estimate dated September 9, 2024 are being updated into a current geological model. The company said that model will be produced next month.

What were the drill results from First Phosphate’s Mountain Zone?

In the Mountain Zone, First Phosphate reported several intervals exceeding 50 m with grades above 10% P₂O₅ within broader composite intervals. The company also encountered several massive apatite veins reaching up to 2 m in thickness.

What did First Phosphate report from the Northern Zone?

First Phosphate reported high-grade phosphate occurring in down-dip continuity in the Northern Zone. It said the mineralogical and visual characteristics, particularly the presence of massive apatite veins, were similar to those observed in the Mountain Zone, with several intervals exceeding 50 m and grades above 10% P₂O₅ within broader composite intervals.

What did First Phosphate report from the Southern Zone?

First Phosphate reported high-grade phosphate occurring in down-dip continuity in the Southern Zone. The company said the mineralogical and visual characteristics were comparable to those recognised in the Mountain Zone, with several intervals exceeding 50 m and grades above 6% P₂O₅ within broader composite intervals.

What do the reported intersection lengths mean in First Phosphate’s drill results?

First Phosphate said the reported intersections represent drilled core lengths rather than true widths. True widths are estimated to be greater than 70%.

How were First Phosphate’s drill samples collected and analysed?

First Phosphate said all drill holes were completed using NQ-size diamond drilling, with the core logged, photographed and sampled according to geological boundaries defined by the Laurentia Exploration technical team. Samples were sent to Activation Laboratories in Ancaster, Ontario, an independent accredited laboratory, for preparation and analysis using methods appropriate for phosphate.

What quality-control procedures did First Phosphate use for its drill results?

First Phosphate said its quality assurance and quality control programme included the regular insertion of in-house reference materials, blanks and duplicates. The company said these procedures were conducted in accordance with industry best practices.

Who approved First Phosphate’s scientific and technical information?

Steeve Lavoie, P.Geo., Chief Geologist of First Phosphate, reviewed and approved the scientific and technical information in the release. The company identified him as a Qualified Person under National Instrument 43-101 – Standards of Disclosure for Mineral Projects.

What does First Phosphate do and how does its business work?

First Phosphate describes itself as a mineral exploration and development and clean technology company focused on building and reshoring a vertically integrated mine-to-market supply chain for producing LFP batteries in North America. Its target markets include energy storage, data centres, robotics, mobility and national security.

Where are First Phosphate’s shares listed and what are the ticker symbols?

First Phosphate identifies its listings as CSE: PHOS, OTCQX: FRSPF, OTCQX ADR: FPHOY and FSE: KD0.

What forward-looking matters did First Phosphate identify in its announcement?

First Phosphate said its forward-looking information includes planned exploration and production activities, the timing and completion of geological modelling deliverables, the properties and composition of extracted phosphate and other minerals, and plans for vertical integration into North American supply chains. The company cautioned that these statements are not guarantees of future performance and that actual results or developments may differ materially, including because of exploration outcomes, the availability of capital and financing, permitting, disruptions and general economic, market or business conditions.

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First Phosphate Reports Infill Drill Results at Bégin-Lamarche Property

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First Phosphate Corp

CSE:PHOS
FSE:KD0
NASDAQ:PHOS
OTCQX:FRSPF

First Phosphate Reports Infill Drill Results at Bégin-Lamarche Property

Published Monday, 27 April 2026

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Plain English summaries when First Phosphate Corp announces news.

At a glance

Company: First Phosphate Corp
Listings: CSE:PHOS, FSE:KD0, NASDAQ:PHOS, OTCQX:FRSPF
Announcement type: Exploration results
Published: Monday, 27 April 2026
Source announcement: firstphosphate.com

Key figures
Measure	Figure
Intervals	exceeding 50 m with grades above 10% P₂O₅
Massive apatite veins	up to 2 m in thickness
Intervals	exceeding 50 m with grades above 6% P₂O₅
True widths	greater than 70%

Figures are quoted from this announcement and selected automatically.

FAQSIR Generated from this announcement View original release below for safe harbor and regulatory notices

Announcement Summary

First Phosphate Corp. (CSE: PHOS) (OTCQX: FRSPF) (OTCQX ADR: FPHOY) (FSE: KD0) announced analytical results from its infill drill program at the Bégin-Lamarche property.

The program completed March 31, 2026, covered three zones and identified two new phosphate intersects, defined in all directions and at depth.
The company said its initial MRE dated September 9, 2024, is being updated into a current geological model to be produced next month.
Mountain Zone: several intervals exceeding 50 m graded above 10% P₂O₅; massive apatite veins reached up to 2 m.
Northern Zone: several intervals exceeding 50 m graded above 10% P₂O₅, with high-grade phosphate in down-dip continuity.
Southern Zone: several intervals exceeding 50 m graded above 6% P₂O₅, with high-grade phosphate in down-dip continuity.

Reported intersections are drilled core lengths, with true widths estimated to be greater than 70%. Samples from NQ-size diamond drilling went to Activation Laboratories, an independent accredited laboratory, with reference materials, blanks and duplicates used.

Investor FAQs

First Phosphate announced analytical results from its infill drill programme at the Bégin-Lamarche property in Saguenay–Lac-Saint-Jean, Québec, Canada. The programme was completed on March 31, 2026, and covered the Mountain, North and South zones.

Source announcement

Company: First Phosphate Corp
Title: First Phosphate Provides Analytical Results for Infill Drill Program at Begin-Lamarche Property
Published: Monday, 27 April 2026
Source site: firstphosphate.com

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