Northern Superior Announces the Ratio for the Distribution of the Common Shares in the Capital of ONGold Resources Ltd.

TORONTO, ON / ACCESS Newswire / December 17, 2025 / Northern Superior Resources Inc. ("Northern Superior" or the "Company") (TSXV:SUP,OTC:NSUPF)(OTCQB:NSUPF)(GR:D9M1) is pleased to announce that the distribution to Northern Superior's shareholders of all the common shares in the capital of ONGold Resources Ltd. (the "ONAU Shares") held by Northern Superior will be effected on the basis of a distribution ratio of 0.19574366 ONAU Share for each issued and outstanding common share of Northern Superior. Subject to certain customary closing conditions, the distribution is expected to occur on December 19, 2025, concurrently with the closing of the previously-announced statutory plan of arrangement with IAMGOLD Corporation under Division 5 of Part 9 of the Business Corporations Act (British Columbia) (the "Arrangement"). Pursuant to the Arrangement, the record date for purposes of the distribution of the ONAU Shares will be December 18, 2025.

About Northern Superior Resources Inc.

Northern Superior is a gold exploration company focused on the Chibougamau Camp in Québec, Canada. The Company has consolidated the largest land package in the region, with total landholdings currently exceeding 70,000 hectares. The main properties include Philibert, Hazeur (adjacent to Philibert), Lac Surprise (adjacent to Nelligan), Chevrier, Croteau, Monster Lake East, and Monster Lake West. Northern Superior also owns 48.5% of ONGold which is advancing promising exploration assets in Northern Ontario and Manitoba, including the district scale TPK Project and Monument Bay; Agnico Eagle Mines Limited owns 13% of ONGold.

Northern Superior is a reporting issuer in British Columbia, Alberta, Ontario and Québec, and trades on the TSX Venture Exchange under the symbol SUP and the OTCQB Venture Market under the symbol NSUPF. For further information, please refer to the Company's website at www.nsuperior.com or the Company's profile on SEDAR+ at www.sedarplus.ca.

About IAMGOLD

IAMGOLD is an intermediate gold producer and developer based in Canada with operating mines in North America and West Africa, including Côté Gold (Canada), Westwood (Canada) and Essakane (Burkina Faso). The Côté Gold Mine achieved full nameplate in June 2025 and has the potential to be among the largest gold mines in Canada. IAMGOLD operates Côté in partnership with Sumitomo Metal Mining Co. Ltd. In addition, IAMGOLD has an established portfolio of early stage and advanced exploration projects within high potential mining districts. IAMGOLD employs approximately 3,700 people and is committed to maintaining its culture of accountable mining through high standards of Environmental, Social and Governance practices. IAMGOLD is listed on the New York Stock Exchange (NYSE:IAG) and the Toronto Stock Exchange (TSX:IMG).

Northern Superior Resources Inc. on Behalf of the Board of Directors

Simon Marcotte, CFA, President and Chief Executive Officer

Contact Information

Katrina Damouni
Director - Corporate Development
Tel: +44 7795 128583 (Mobile/WhatsApp)
info@nsuperior.com

Forward-Looking Information

This release contains certain "forward-looking information" as within the meaning of applicable Canadian securities laws. Forward-looking information can generally be identified by the use of forward-looking terminology such as "may", "will", "should", "expect", "intend", "estimate", "anticipate", "believe", "continue", "plans" or similar terminology. The forward-looking information contained herein is provided for the purpose of assisting readers in understanding management's current expectations and plans relating to the future. Readers are cautioned that such information may not be appropriate for other purposes.

Forward-looking statements relate to future events or future performance and reflect the Company's expectations or beliefs regarding future events. Forward-looking statements include, but are not limited to, statements relating to the Arrangement, the ability to complete the distribution of the ONAU Shares and the Arrangement and the timing thereof, including the parties' ability to satisfy the closing conditions, and other statements that are not historical facts. By their very nature, forward-looking statements involve known and unknown risks, uncertainties and other factors that may cause our actual results, performance or achievements to be materially different from any future results, performance or achievements expressed or implied by the forward-looking statements. Such factors include, among others, risks related to failure to receive the required stock exchange and other consents and approvals to effect the Arrangement and the possibility that the Agreement could be terminated under certain circumstances.

Forward-looking information are based on management's reasonable assumptions, estimates, expectations, analyses and opinions, which are based on such management's experience and perception of trends, current conditions and expected developments, and other factors that management believes are relevant and reasonable in the circumstances, but which may prove to be incorrect. Such factors, among other things, include: business integration risks; fluctuations in general macroeconomic conditions; fluctuations in securities markets; fluctuations in spot and forward prices of gold or certain other commodities; change in national and local governments, legislation, taxation, controls, regulations and political or economic developments; risks and hazards associated with the business of mineral exploration, development and mining (including environmental hazards, industrial accidents, unusual or unexpected formations pressures, cave-ins and flooding); discrepancies between actual and estimated metallurgical recoveries; inability to obtain adequate insurance to cover risks and hazards; the presence of laws and regulations that may impose restrictions on mining; employee relations; relationships with and claims by local communities and indigenous populations; availability of increasing costs associated with mining inputs and labour; the speculative nature of mineral exploration and development (including the risks of obtaining necessary licenses, permits and approvals from government authorities); and title to properties.

The Company undertakes no obligation to update forward-looking information except as required by applicable law. Such forward-looking information represents management's best judgment based on the information currently available. No forward-looking statement can be guaranteed and actual future results may vary materially. Accordingly, readers are advised not to place undue reliance on forward-looking statements or information.

The TSX Venture Exchange has in no way passed upon the merits of the Arrangement and has neither approved nor disapproved the contents of this news release. Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

SOURCE: Northern Superior Resources Inc.