Magna Mining Reports Q4 2025 Production Results from McCreedy West Mine

• Q4 production of 84,953 tonnes from the 700 Copper Zone, a 13% increase from Q3 2025
• Ore grades averaged 1.31% copper, 0.23% nickel, with precious metals grades more than doubling from the previous quarter
• Underground development totalled 1,688 feet, in line with company forecasts
• Diamond drilling reached 29,334 feet, up 91% from Q3, with three underground rigs operating throughout the quarter
• Life of Mine plan with maiden reserve estimate expected to be released within the coming weeks alongside 2026 guidance

Magna Mining Inc. (TSXV: NICU) is a Sudbury, Canada-based mining company focused on exploring and developing nickel, copper, and platinum group metal (PGM) projects. The company operates the McCreedy West Mine, currently in production, and holds several past-producing properties including Levack, Crean Hill, Podolsky, and Shakespeare.

Q4 2025 Production Results

McCreedy West Mine produced 84,953 tonnes of ore during Q4 2025 from the 700 Copper Zone. This represents a 13% increase over Q3 production levels, with mining rates improving in November and December following earlier operational delays caused by a compressed air system failure and power-related issues that affected Q3 and early Q4 operations.

The ore averaged 1.31% copper and 0.23% nickel for the quarter. Precious metals grades increased from the previous quarter, with platinum at 1.05 g/t, palladium at 1.10 g/t, gold at 0.45 g/t, and silver at 15.51 g/t. The company noted that access to stopes with higher-grade precious metals was achieved during Q4, resulting in gold, platinum, and palladium grades more than doubling compared to Q3, whilst silver grades increased over 40%.

Chief Operating Officer Jeff Huffman stated:

"Our team at McCreedy West excelled during the fourth quarter, safely mining and shipping 84,953 tons of ore to Vale's Clarabelle mill in Sudbury. Underground mine development continued to be a focus and is now providing the increased operational flexibility we have been targeting."

Underground Development and Diamond Drilling Progress

Underground development during the quarter totalled 1,688 feet, meeting company forecasts. The company has transitioned to using fully staffed internal development crews and no longer uses mining contractors for underground development work.

Diamond drilling at McCreedy West totalled 29,334 feet, representing a 91% increase over Q3 2025. Three underground drill rigs operated throughout the quarter. The drilling programme is intended to provide geological information to support current mining operations and longer-term mine planning.

The increased development and drilling activity has enabled the company to remove lower-grade stopes from its mining plans. Management indicated this allows operations to focus on higher-quality ore production.

Life of Mine Plan and 2026 Guidance

The company announced that a Life of Mine plan for McCreedy West, which will include its maiden reserve estimate, is expected to be released in the coming weeks in conjunction with 2026 guidance.

Chief Executive Officer Jason Jessup commented:

"With copper prices near all-time highs and the recent rebound in nickel prices, McCreedy West has entered 2026 with fantastic operational and economic momentum."

Jessup also noted the company's focus during 2025 on investing capital and effort in the mine to establish a foundation for performance in 2026 and beyond.

Next Steps

The forthcoming release of the Life of Mine plan and maiden reserve estimate will provide formal reserves data and multi-year operational targets. This publication, expected within the coming weeks, will be accompanied by the company's 2026 production guidance.

‍