Alamos Gold Announces Completion of Phase I Expansion at Island Gold

TORONTO, Sept. 20, 2018 - Alamos Gold Inc. (TSX:AGI; NYSE:AGI) (“Alamos” or the “Company”) today reported the completion of the Phase I expansion of the Island Gold mine to 1,100 tonnes per day (“tpd”) on schedule. This included the successful commissioning of the expanded mill which is now operating at its targeted rate of 1,100 tpd, up from the previous name plate capacity of 900 tpd.

“The completion of the Phase l expansion represents another significant step forward in the growth and evolution of the Island Gold mine. We expect higher grades and throughput to drive significant production and free cash flow growth from the operation over the next year,” said John A. McCluskey, President and Chief Executive Officer.

Qualified Persons

Chris Bostwick, FAusIMM, Alamos’ Vice President, Technical Services, who is a qualified person within the meaning of National Instrument 43-101 ("Qualified Person"), has reviewed and approved the scientific and technical information contained in this press release.

About Alamos

Alamos is a Canadian-based intermediate gold producer with diversified production from four operating mines in North America. This includes the Young-Davidson and Island Gold mines in northern Ontario, Canada and the Mulatos and El Chanate mines in Sonora State, Mexico. Additionally, the Company has a significant portfolio of development stage projects in Canada, Mexico, Turkey, and the United States. Alamos employs more than 1,700 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”.

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

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Cautionary Note

This news release includes certain statements that constitute forward-looking information within the meaning of applicable securities laws ("Forward-looking Statements"). All statements in this news release, other than statements of historical fact, which address events, results, outcomes or developments that Alamos expects to occur are Forward-looking Statements. Forward-looking Statements are generally, but not always, identified by the use of forward-looking terminology such as "expects", is expected", "anticipates", "plans" or “is planned”, “trends”, "estimates", "intends" or “potential” or variations of such words and phrases and similar expressions or statements that certain actions, events or results "may", "could", "would", "might" or "will" be taken, occur or be achieved or the negative connotation of such terms. Forward-looking Statements in this news release include the statements with respect to the Company’s production and free cash flow growth and other information that is based on forecasts and projections of future operational, geological or financial results, estimates of amounts not yet determinable and assumptions of management.

Alamos cautions readers not to place undue reliance on the forward-looking statements in the information and content on this news release as a number of factors could cause actual future results, conditions, actions or events to differ materially from the targets, outlooks, expectations, goals, estimates or intentions expressed in the Forward-looking Statements. These factors include, but are not limited to: risks related to obtaining and maintaining necessary permits, licenses and authorizations required to carry out planned exploration or development work, the actual results of current exploration activities, conclusions of economic and geological evaluations, changes in project parameters as plans continue to be refined and fluctuations the price of gold.

Additional risk factors and details with respect to risk factors affecting the Company are set out in the Company’s latest Annual Information Form and MD&A, each under the heading “Risk Factors”, available on the SEDAR website at www.sedar.com or on EDGAR at www.sec.gov. The foregoing should be reviewed in conjunction with the information found in this news release. The Company disclaims any intention or obligation to update or revise any forward-looking statements, whether written or oral, or whether as a result of new information, future events or otherwise, except as required by applicable law.