Toronto, Ontario--(Newsfile Corp. - December 18, 2025) - Mines D'Or Orbec Inc. (TSXV: BLUE) (OTC Pink: BLTMF) ("Orbec" or the "Company") is pleased to announce that the Ontario Superior Court of Justice (Commercial List) issued a final order approving the previously announced plan of arrangement under the Business Corporations Act (Ontario) (the "Arrangement") pursuant to which, among other things, IAMGOLD Corporation (NYSE: IAG) (TSX: IMG) ("IAMGOLD") will acquire all of the issued and outstanding common shares in the capital of Orbec.

Subject to the satisfaction, or waiver where permitted, of the remaining conditions to closing contained in the arrangement agreement entered into between the Company and IAMGOLD dated October 19, 2025 (the "Arrangement Agreement"), it is anticipated that the Arrangement will be completed by the parties on December 22, 2025.

Questions for Depositary

Holders of common shares and common share purchase warrants of the Company who have questions or require assistance submitting their securities in connection with the Arrangement may direct their questions to Computershare Investor Services Inc., which is acting as depositary in connection with the Arrangement, at 1.800.564.6253 (toll-free in Canada and the United States) or 1.514.982.7555 (international direct dial) or by email at corporateactions@computershare.com.

Further information regarding the Arrangement was provided in the management information circular of the Company dated November 10, 2025 (the "Circular") for the special meeting of securityholders held on December 15, 2025, at which the Arrangement was approved by securityholders of Orbec. The Circular and the Arrangement Agreement are available under the Company's issuer profile on SEDAR+ on www.sedarplus.ca.

About Mines D'Or Orbec Inc.

Mines D'Or Orbec Inc. is a gold company that owns 100% of a large and highly prospective mineral claim position near Chibougamau, Québec. The Muus Project covers approximately 25,250 hectares in the northeastern part of the Abitibi Greenstone Belt. Muus is prospective for gold mineralization and is adjacent to and on strike with IAMGOLD's Nelligan Gold Project. Orbec has announced that exploration of the Muus Gold Project will advance in technical collaboration with IAMGOLD, which owns approximately 9.9% of the Company. Field work completed during 2022 established that the northern portion of the Muus Gold Project is also prospective for copper-gold volcanogenic massive sulphide mineralization, as well as confirming that it is prospective for high-grade gold mineralization similar to IAMGOLD's nearby Nelligan gold discovery.

Neither the TSX Venture Exchange ("TSXV") nor its Regulations Services Provider (as that term is defined in policies of the TSXV) accepts responsibility for the adequacy or accuracy of this release.

Cautionary Statement Regarding Forward-Looking Information

This news release contains "forward-looking information" and "forward-looking statements" (collectively, "forward-looking statements") within the meaning of the applicable Canadian securities legislation. All statements, other than statements of historical fact, are forward-looking statements and are based on expectations, estimates and projections as at the date of this news release. Any statement that involves discussions with respect to predictions, expectations, beliefs, plans, projections, objectives, assumptions, future events or performance (often but not always using phrases such as "expects", or "does not expect", "is expected", "anticipates" or "does not anticipate", "plans", "budget", "scheduled", "forecasts", "estimates", "believes" or "intends" or variations of such words and phrases or stating that certain actions, events or results "may" or "could", "would", "might" or "will" be taken to occur or be achieved) are not statements of historical fact and may be forward-looking statements. In this news release, forward-looking statements relate, among other things, to statements regarding the anticipated timing and completion of the Arrangement.

These forward-looking statements are based on reasonable assumptions and estimates of management of the Company at the time such statements were made. Actual future results may differ materially as forward-looking statements involve known and unknown risks, uncertainties and other factors which may cause the actual results, performance or achievements of the Company to materially differ from any future results, performance or achievements expressed or implied by such forward-looking statements. Such factors, among other things, include: fluctuations in general macroeconomic conditions; fluctuations in securities markets; fluctuations in spot and forward prices of gold, silver, base metals or certain other commodities; fluctuations in currency markets (such as the Canadian dollar to United States dollar exchange rate); change in national and local government, 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); 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. Although the forward-looking statements contained in this news release are based upon what management of the Company believes, or believed at the time, to be reasonable assumptions, the Company cannot assure shareholders that actual results will be consistent with such forward-looking statements, as there may be other factors that cause results not to be as anticipated, estimated or intended. Readers should not place undue reliance on the forward-looking statements and information contained in this news release. The Company assumes no obligation to update the forward-looking statements of beliefs, opinions, projections, or other factors, should they change, except as required by law.

To view the source version of this press release, please visit https://www.newsfilecorp.com/release/278547

Source: Mines D'Or Orbec Inc.