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SEA.TO ·

Seabridge Gold Strengthens Management Team with 3 Key Appointments

Management Changes

106 Front Street East, Suite 400, Toronto, ON M5A 1E1, Canada

Telephone: 416 -367-9292 www.seabridgegold.com

News Release

Trading Symbols: TSX: SEA FOR IMMEDIATE RELEASE

NYSE: SA September 20, 2021

Seabridge Gold Strengthens Management Team with 3 Key Appointments

Toronto, Canada... Seabridge Gold (TSX:SEA) (NYSE:SA) announced today that it has appointed

Ryan Hoel, P.E., as Vice President, Projects ; Tracey Meint jes as Vice President, Engineering

Studies; and Julie Rachynski as Vice President, Human Resources.

Mr. Hoel has more than 20 years of experience i n large -scale project management,

development, and operations with companies including Rio Tino, Lundin Mining, New Gold,

Arizona Mining, and South32. Most recently he served as Vice President, Project Development

for South32 at their Hermosa project in Southern Arizona. Mr. Hoel holds a Bachelor of Science

in Mining Engineering from the South Dakota School of Mines and Technology, an MBA from

Westminster Gore School of Business, and is a registered Professional Engineer.

Mr. Meintjes brings to S eabridge 25 years of experience in mining project development in

North America, South America, Europe and Africa. His recent practice as a consultant followed

a career with Anglo American, Anglo Gold, Rio Tinto and Teck, with experience in mine

evaluations, project acquisitions, metallurgical process development, strategic mine

planning, and operations value optimization. He is a Qualified Person in terms of NI 43-101, has

co-authored numerous technical reports, and has been involved in a number of mining

projects that have successfully advanced from early stage to construction and

commissioning. Mr. Meintjes has worked as consultant on the development of the KSM

Project for more than 10 years prior to joining Seabridge full time.

Ms. Rachynski has over 25 years’ experience in human resources in the resource industry at

site and at corporate levels, including mining, pulp and paper, wood products, and

timberlands. Prior to Seabridge, she held leadership positions in human resources in multiple

organizations including Weyerhaeuser Canada, Domtar and recently at New Gold leading HR

and Community at the New Afton operation and held role of VP HR at corporate. Ms.

Rachynski brings experience in diversity and inclusion, organizational design, talent

management, co mpensation and change management. She holds a Bachelor of Business

Administration degree with a Human Resource Major from Simon Fraser University and is a

registered Human Resources Professional in British Columbia and the Yukon. Ms. Rachynski

is an active member of the Mining Association of Canada’s HR Diversity and Inclusion Steering

Committee, Global Mining HR Community and is a mentor with International Women in

Resources Mentorship Program.

Seabridge Chairman and CEO Rudi Fronk commented: “While Seabridge will not be building

or operating mines, advancing our projects to the point where they can seamlessly transition

to the next stage of development requires an expanded range of management skills. The

additions of Ryan, Tracey and Julie collectively bring a breadth of experience and expertise

that will be invaluable in advancing Seabridge Gold’s project portfolio.”

Seabridge holds a 100% interest in several North American gold projects. Seabridge's assets

include the KSM and Iskut projects located near Stewart, British Columbia, Canada, the

Courageous Lake project located in Canada's Northwest Territories, the Snowstorm project in

the Getchell Gold Belt of Northern Nevada and the 3 Aces project in the Yukon Territory. For a

full breakdown of Seabridge's mineral reserves and mineral resources by category please visit

the Company's website at https://www.seabridgegold.com/.

None of the Toronto Stock Exchange, New York Stock Exchange, or their Regulation Services Providers accepts responsibility

for the adequacy or accuracy of this release.

ON BEHALF OF THE BOARD

"Rudi Fronk"

Chairman & C.E.O.

For further information please contact:

Rudi P. Fronk, Chairman and C.E.O.

Tel: (416) 367-9292 • Fax: (416) 367-2711

Email: [email protected]