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Skeena Files Technical Report for Snip MRE

Resource Estimates Technical Reports (NI 43-101)

Skeena Files Technical Report for Snip MRE

Vancouver, BC (September 26, 2023) Skeena Resources Limited (TSX: SKE, NYSE: SKE)

(“Skeena” or the “Company”) is pleased to announce that it has filed a detailed Technical Report (the

“Report”) for the Mineral Resource Estimate (“MRE”) at its 100% owned Snip Gold Project (“Snip” or

the “Project”). The Report is titled “Independent Technical Report for the Snip Project, Canada” and is

compliant with National Instrument 43-101 Standards of Disclosure for Mineral Projects . The key

results from the Report were summarized in the Company’s news release dated September 5, 2023.

A copy of the full report is available on Skeena’s website and has been filed on SEDAR+ at

www.sedarplus.ca and EDGAR at www.sec.gov.

About Skeena

Skeena Resources Limited is a Canadian mining exploration and development company focused on

revitalizing the Eskay Creek and Snip Projects, two past-producing mines located in Tahltan Territory

in the Golden Triangle of northwest British Columbia, Canada. The Company released a Feasibility

Study for Eskay Creek in September 2022 which highlights an after-tax NPV5% of C$1.4B, 50% IRR,

and a 1-year payback at US$1,700/oz Au and US$19/oz Ag. Skeena is currently continuing exploration

drilling and plans on releasing a Definitive Feasibility Study for Eskay Creek in Q4 2023.

On behalf of the Board of Directors of Skeena Resources Limited,

Walter Coles Randy Reichert

Executive Chairman President & CEO

Contact Information

Investor Inquiries: [email protected]

Office Phone: +1 604 684 8725

Company Website: www.skeenaresources.com

Qualified Persons

In accordance with National Instrument 43 -101 Standards of Disclosure for Mineral Projects, Paul

Geddes, P.Geo., Senior Vice President, Exploration & Resource Development, is the Qualified Person

for the Company and has reviewed and approved the technical and scientific content of this news

release.

Sheila Ulansky , P.Geo., Senior Resource Geologist for SRK Consulting (Canada) Inc. , is an

independent Qualified Person as defined by N ational I nstrument 43-101 and has reviewed and

approved the contents of this news release. Ms. Ulansky is responsible for the 2023 Mineral

Resources Estimate for the Snip Project.

Jeff Austin, P.Eng., President of International Metallurgical and Environmental Inc., is an independent

Qualified Person as define d by N ational I nstrument 43-101 and has reviewed and approved the

contents of this news release. Mr. Austin is responsible for mineral processing and metallurgical

testing for the Snip Project.

NR: 23-19 | September 26, 2023

The Company strictly adheres to CIM Best Practices Guidelines in conducting, do cumenting, and

reporting the exploration activities on its projects.

Cautionary note regarding forward-looking statements

Certain statements and information contained or incorporated by reference in this press release constitute “forward-looking

information” and “forward -looking statements” within the meaning of applicable Canadian and United States securities

legislation (collectively, “forward-looking statements”). These statements relate to future events or our future performance.

The use of words such as “anticipates”, “believes”, “proposes”, “contemplates”, “generates”, “progressing towards”, “in

search of”, “targets”, “is projec ted”, “plans to”, “is planned”, “considers”, “estimates”, “expects”, “is expected”, “often”,

“likely”, “potential” and similar expressions, or statements that certain actions, events or results “may”, “might”, “will”,

“could”, or “would” be taken, achieved , or occur, may identify forward -looking statements. All statements other than

statements of historical fact are forward-looking statements. Specific forward-looking statements contained herein include,

but are not limited to, statements regarding the results of the Feasibility Study, processing capacity of the mine, anticipated

mine life, probable reserves, the potential impact of the Definitive Feasibility Study for Eskay Creek, and the Maiden

Engineering Study for Snip on the anticipated mine life and/or the conversion of resource ounces from the Inferred to

Indicated categories or from Measured or Indicated categories to the Reserve category, estimated project capital and

operating costs, potential reductions in process plant capital and operating costs, sustaining costs, results of test work and

studies, planned environmental assessments, the future price of metals, metal concentrate, and future exploration and

development generally and specifically in relation to the potential for additional mineralizat ion in the recently increased

land package. Such forward-looking statements are based on material factors and/or assumptions which include, but are

not limited to, the estimation of mineral resources and reserves, the realization of resource and reserve es timates, metal

prices, taxation, the estimation, timing and amount of future exploration and development, capital and operating costs, the

availability of financing, the receipt of regulatory approvals, environmental risks, title disputes and the assumptio ns set

forth herein and in the Company’s MD&A for the year ended December 31, 2022, its most recently filed interim MD&A,

and the Company’s Annual Information Form (“AIF”) dated March 22, 2023. Such forward -looking statements represent

the Company’s manage ment expectations, estimates and projections regarding future events or circumstances on the

date the statements are made, and are necessarily based on several estimates and assumptions that, while considered

reasonable by the Company as of the date hereof , are not guarantees of future performance. Actual events and results

may differ materially from those described herein, and are subject to significant operational, business, economic, and

regulatory risks and uncertainties. The risks and uncertainties that may affect the forward-looking statements in this news

release include, among others: the inherent risks involved in exploration and development of mineral properties, including

permitting and other government approvals; changes in economic conditions, i ncluding changes in the price of gold and

other key variables; changes in mine plans and other factors, including accidents, equipment breakdown, bad weather and

other project execution delays, many of which are beyond the control of the Company; environme ntal risks and

unanticipated reclamation expenses; and other risk factors identified in the Company’s MD&A for the year ended

December 31, 2022, its most recently filed interim MD&A, the AIF dated March 22, 2023, the Company’s short form base

shelf prospec tus dated January 31, 2023, and in the Company’s other periodic filings with securities and regulatory

authorities in Canada and the United States that are available on SEDAR + at www.sedarplus.ca or on EDGAR a t

www.sec.gov.

Readers should not place undue reliance on such forward-looking statements. Any forward-looking statement speaks only

as of the date on which it is made and the Company does not undertake any obligations to update and/or revise any

forward-looking statements except as required by applicable securities laws.

Cautionary note to U.S. Investors concerning estimates of mineral Reserves and mineral Resources

Skeena’s mineral Reserves and mineral Resources included or incorporated by reference herein have been e stimated in

accordance with National Instrument 43 -101 – Standards of Disclosure for Mineral Projects (“NI 43 -101”) as required by

Canadian securities regulatory authorities, which differ from the requirements of U.S. securities laws. The terms “mineral

reserve”, “proven mineral reserve”, “probable mineral reserve”, “mineral resource”, “measured mineral resource”,

“indicated mineral resource” and “inferred mineral resource” are Canadian mining terms as defined in accordance with NI

43-101 and the Canadian I nstitute of Mining, Metallurgy and Petroleum (“CIM”) “CIM Definition Standards – For Mineral

Resources and Mineral Reserves” adopted by the CIM Council (as amended, the “CIM Definition Standards”). These

standards differ significantly from the mineral prop erty disclosure requirements of the U.S. Securities and Exchange

Commission in Regulation S-K Subpart 1300 (the “SEC Modernization Rules”). Skeena is not currently subject to the SEC

Modernization Rules. Accordingly, Skeena’s disclosure of mineralization a nd other technical information may differ

significantly from the information that would be disclosed had Skeena prepared the information under the standards

adopted under the SEC Modernization Rules.

In addition, investors are cautioned not to assume that any part or all of Skeena’s mineral Resources constitute or will be

converted into Reserves. These terms have a great amount of uncertainty as to their economic and legal feasibility.

Accordingly, investors are cautioned not to assume that any “measured”, “indicated”, or “inferred” mineral Resources that

Skeena reports are or will be economically or legally mineable. Further, “inferred mineral Resources” have a great amount

of uncertainty as to their existence, and great uncertainty as to their economic and legal feasibility. It cannot be assumed

that all or any part of an “inferred mineral resource” will ever be upgraded to a higher category. Under Canadian securities

laws, estimates of “inferred mineral Resources” may not form the basis of feasibility or prefeasibility studies, except in rare

cases where permitted under NI 43-101.

For these reasons, the mineral reserve and mineral resource estimates and related information presented herein may not

be comparable to similar information made public by U.S. companies subject to the reporting and disclosure requirements

under the U.S. federal securities laws and the rules and regulations thereunder.