IAMGOLD to Acquire Northern Superior Resources, Creating the Nelligan Mining Complex

IAMGOLD Corporation has signed a definitive agreement to acquire Northern Superior Resources Inc., a strategic move aimed at creating the Nelligan Mining Complex in Chibougamau, Quebec. This acquisition, valued at approximately C$375 million, is anticipated to bring substantial benefits to shareholders of both companies.

Details of the Acquisition

Under the terms of the arrangement, each Northern Superior share will be exchanged for 0.0991 of an IAMGOLD share along with C$0.19 in cash, equating to a total of C$2.05 per share. This represents a significant premium of around 45%, based on the closing prices from October 17, 2025. The deal not only consolidates resources but also includes the distribution of ONGold shares to Northern Superior shareholders prior to the completion of the acquisition.

Benefits for Stakeholders

Shareholders of Northern Superior will benefit from immediate financial incentives and a diversified investment profile. The acquisition allows them to retain a 48.5% stake in ONGold Resources, which is advancing its own projects in Northern Ontario and Manitoba. Additionally, IAMGOLD's portfolio includes high-quality Canadian mining assets, enhancing the overall value proposition for investors.

Timeline and Approvals

The acquisition is subject to approval by 66 2/3% of Northern Superior shareholders at a special meeting expected to be held in December 2025. The board of directors from both companies has unanimously endorsed the transaction, reflecting a strong confidence in its potential benefits. Pending shareholder and court approvals, the closing is anticipated in either December 2025 or January 2026.

Strategic Importance

This move is strategically significant for IAMGOLD, as it strengthens their position in the Quebec mining sector. By uniting Northern Superior’s assets with IAMGOLD’s existing operations, specifically the Nelligan and Monster Lake properties, the two companies aim to enhance exploration, development, and operational efficiencies in the region.

Conclusion

With a robust balance sheet and strategic resource assets, IAMGOLD is well-positioned to advance the newly formed Nelligan Mining Complex. This acquisition not only aligns with IAMGOLD's growth strategy but also promises to unlock further value for the combined shareholder base.

Key Takeaways

IAMGOLD is set to acquire Northern Superior at C$2.05 per share, marking a 45% premium for shareholders.

Northern Superior shareholders will also receive a distribution of shares from ONGold Resources.

The transaction requires shareholder approval at a special meeting in December 2025.

The agreement is expected to close by the end of 2025 or early 2026.

This acquisition enhances IAMGOLD's presence in Quebec's mining landscape.