Technical Study
Magna Mining Files Technical Report for the McCreedy West Mine in Sudbury, Ontario
Magna Mining secures NI 43-101 validation for McCreedy West reserves, reinforcing near‑term production potential and Sudbury growth plan

Executive Summary
- On 2026-04-02 Magna Mining filed an independent NI 43-101 technical report for the McCreedy West Mine in Sudbury, Ontario, confirming mineral reserve and resource estimates with an effective date of December 31, 2025. SGS Canada Inc. served as the qualified person. The filing satisfies regulatory disclosure requirements and reinforces the credibility of previously disclosed reserves.
- The release reiterates that there were no changes to production guidance arising from the filing; it is a regulatory disclosure intended to support investor confidence in the McCreedy West production profile.
- This news follows prior material updates in early 2026, including initial Mineral Reserves for McCreedy West (Feb 18, 2026) and ongoing development activity at McCreedy West as Magna advances its Sudbury portfolio (Levack, Crean Hill, etc.). The NI 43-101 filing strengthens the company’s reserve/resource framework rather than signaling a new forecast shift.
- The broader Magna narrative in 2025–early 2026 has included: Levack resource updates (MRE/PEA activity), Crean Hill PFS planning, near-term production focus at McCreedy West, and multiple financings/strategic moves (Northx asset acquisition, Dundee stake activity, government funding dialogue). The April 2 release fits within this progression as regulatory substantiation of a confirmed reserves base.
Material Impact
- Materiality: Routine - Positive. The NI 43-101 technical report adds third-party validation to Magna’s reserve and resource base for the McCreedy West Mine, which is supportive of the near-term production plan. However, there is no new production guidance or extraordinary disclosure beyond regulatory compliance and credibility enhancement.
- In line with expectations: Yes. The report confirms existing projections and aligns with Magna’s stated plan to rely on McCreedy West for near-term production. It reinforces trust in the McCreedy West reserve base without signaling an upside surprise or a material change in guidance.
- Improvements or misses: Improves transparency and regulatory credibility; no material change to outlook disclosed in this release. Positive for investor confidence but not a game-changing update.
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Company Overview
- Magna Mining is building a multi-asset footprint in the Sudbury Basin, focusing on:
- McCreedy West Mine (production-ready asset with a three-year reserve-based plan announced in early 2026; polymetallic copper, nickel and PGM system; development activity including underground development and diamond drilling).
- Levack Mine (historic asset with a Morrison Footwall Cu-PGE deposit; ongoing drill programs and a resource expansion narrative).
- Crean Hill Project (nickel-copper-PGM; PFS planned; surface bulk sample data integrated; grid power and dewatering improvements underway).
- Podolsky and Shakespeare properties adjacent to Sudbury assets; no material disclosure in the latest release beyond ongoing exploration/asset management.
- Flagship project: McCreedy West Mine in Sudbury, providing a near-term production pathway and a platform for growth in the Sudbury basin.
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Jul 06, 2026 · 06:45