Alamos Gold (NYSE: AGI) files Island Gold District expansion technical report

Rhea-AI Filing Summary

Alamos Gold Inc. reported that it has filed a new technical report for the Expansion Study of its Island Gold District operation in Ontario, Canada. The report was prepared under National Instrument 43-101 standards and supports disclosure previously provided in a February 3, 2026 news release.

The technical report is available on Alamos’ website and will also be accessible through SEDAR+ and EDGAR. Alamos is a Canadian-based intermediate gold producer with three operating mines in North America and a portfolio of growth projects, including the Island Gold District Expansion and the Lynn Lake project.

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of March, 2026

Commission File Number: 001-35783

Alamos Gold Inc.

(Translation of registrant’s name into English)

Brookfield Place, 181 Bay Street, Suite 3910

Toronto, Ontario, Canada

M5J 2T3

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F  o           Form 40-F  x

EXHIBIT INDEX

EXHIBIT NO.						DESCRIPTION
99.1						Press release: Alamos Gold Files Technical Report for the Island Gold District Expansion, dated March 20, 2026

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Alamos Gold Inc.

Date: March 20, 2026

By:

/s/ Scott K. Parsons

Name:

Scott K. Parsons

Title:

Senior Vice President, Corporate Development & Investor Relations

FOR IMMEDIATE RELEASE

			Alamos Gold Inc.
			Brookfield Place, 181 Bay Street, Suite 3910, P.O. Box #823
			Toronto, Ontario M5J 2T3
			Telephone: (416) 368-9932 or 1 (866) 788-8801

All amounts are in United States dollars, unless otherwise stated.

Alamos Gold Files Technical Report for the Island Gold District Expansion

Toronto, Ontario (March 20, 2026) – Alamos Gold Inc. (TSX:AGI; NYSE:AGI) (“Alamos” or the “Company”) today announced that it has filed a technical report for the Expansion Study completed on the Island Gold District operation, located in Ontario, Canada.

The report was prepared in accordance with National Instrument 43-101 – Standards for Disclosure for Mineral Projects and supports the disclosure outlined in Alamos’ news release dated February 3, 2026. The report is available on the Alamos website at www.alamosgold.com and will be available under the Company’s profile on SEDAR+ at www.sedarplus.ca and EDGAR at www.sec.gov.

About Alamos

Alamos is a Canadian-based intermediate gold producer with diversified production from three operations in North America. This includes the Island Gold District and Young-Davidson mine in northern Ontario, Canada, and the Mulatos District in Sonora State, Mexico. Additionally, the Company has a strong portfolio of growth projects including the IGD Expansion, and the Lynn Lake project in Manitoba, Canada. Alamos employs more than 2,400 people and is committed to the highest standards of sustainable development. The Company’s shares are traded on the TSX and NYSE under the symbol “AGI”.

FOR FURTHER INFORMATION, PLEASE CONTACT:

Scott K. Parsons

Senior Vice President, Corporate Development & Investor Relations

(416) 368-9932 x 5439

Khalid Elhaj

Vice President, Business Development & Investor Relations

(416) 368-9932 x 5427

ir@alamosgold.com

The TSX and NYSE have not reviewed and do not accept responsibility for the adequacy or accuracy of this release.

FAQ

What did Alamos Gold Inc. (AGI) announce in this Form 6-K?

Alamos Gold announced it has filed a technical report for the Expansion Study of its Island Gold District operation in Ontario, Canada. The report complies with NI 43-101 standards and supports disclosure previously outlined in a February 3, 2026 news release.

Which project is covered by Alamos Gold’s new technical report?

The technical report covers the Expansion Study for Alamos Gold’s Island Gold District operation in Ontario, Canada. This report provides detailed technical information on the project and supports earlier public disclosure made by the company in its February 3, 2026 news release.

Under which standards was Alamos Gold’s Island Gold technical report prepared?

The Island Gold District Expansion technical report was prepared in accordance with National Instrument 43-101 – Standards for Disclosure for Mineral Projects. These Canadian rules govern how mining companies disclose scientific and technical information about mineral projects to investors and the public.

Where can investors access Alamos Gold’s Island Gold Expansion technical report?

Investors can access the technical report on Alamos Gold’s website at www.alamosgold.com. It will also be available under the company’s profile on SEDAR+ at www.sedarplus.ca and on the U.S. SEC’s EDGAR system at www.sec.gov once posted.

What operations and projects does Alamos Gold Inc. (AGI) currently have?

Alamos Gold is an intermediate gold producer with three operations: the Island Gold District and Young-Davidson in northern Ontario, Canada, and the Mulatos District in Sonora, Mexico. It also holds growth projects, including the Island Gold District Expansion and Lynn Lake in Manitoba, Canada.

On which stock exchanges are Alamos Gold shares traded and under what symbol?

Alamos Gold’s shares are traded on both the Toronto Stock Exchange and the New York Stock Exchange under the symbol “AGI”. This dual listing provides investors access to the company’s stock in both Canadian and U.S. equity markets.

Filing Exhibits & Attachments

1 document

Press Releases

• EX-99.1 EX-99.1 10.5 KB