Merger Monday: IAMGOLD's Northern Superior Buyout Sends Shares Soaring

2025-10-20 12:03:00 ET

It’s merger and acquisition Monday in the mining sector, marked by a major deal set to reshape Quebec’s mining landscape. With commodity prices continuing to climb, investors are cheering the news as shares of both the acquiring and acquired companies trade higher following the announcement.

Northern Superior Resources Inc. (TSX-Venture: SUP) (OTCQB:NSUPF) has entered into a definitive agreement to be acquired by IAMGOLD Corporation (NYSE: IAG) (TSX: IMG) , creating what will be known as the Nelligan Mining Complex in Chibougamau, Quebec. Under the terms of the deal, IAMGOLD will purchase all outstanding Northern Superior shares through a court-approved plan of arrangement. Each Northern Superior share will be exchanged for 0.0991 of an IAMGOLD share and C$0.19 in cash, valuing the transaction at approximately C$2.05 per share, or about C$375 million in total based on IAMGOLD’s October 17, 2025, closing price.

As part of the transaction, Northern Superior will also distribute all its holdings of ONGold Resources Ltd. (TSX-Venture: ONAU) to its shareholders on a pro rata basis prior to the deal’s completion. Excluding the value of these ONGold shares, the IAMGOLD offer represents a 45% premium to Northern Superior’s most recent closing price on the TSX Venture Exchange. The acquisition is expected to strengthen IAMGOLD’s presence in the Chibougamau region while advancing development of the newly formed Nelligan Mining Complex.

"The addition of Northern Superior's assets to IAMGOLD's Nelligan Mining Complex in the Chibougamau region of Québec is extremely exciting for IAMGOLD, the region and our mutual shareholders," said Renaud Adams, President and Chief Executive Officer of IAMGOLD. "This acquisition aligns with our strategy to become a leading Canadian-focused mid-tier gold producer, bolstering our organic pipeline in Québec where we have maintained a longstanding presence. Further, the combined assets begin to define a conceptual project that complements both the scale and timing of our Côté Gold Mine and its forthcoming expansion. We look forward to accelerating our exploration program in the region with a goal of further expansion and extension of the mineralization at Nelligan, Philibert and Monster Lake - making the Nelligan Mining Complex already near the top undeveloped projects in mining-friendly Québec and Canada."

Shares of SUP are currently up 48.59% at $2.11, while U.S. listed shares climb 48.28% at $1.4976 in late-morning trading.

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