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Eagle Plains Highlights Intrusion Related Gold Potential at Dragon Lake Project, YT

Corporate Updates

Eagle Plains Highlights Intrusion Related Gold Potential at Dragon

Lake Project, YT

Cranbrook, B.C., Cranbrook, B.C., August 18, 2025: (TSX-V:EPL) (OTCQB: EGPLF) (“EPL” or

“Eagle Plains”) is pleased to provide an update on its 100% owned Dragon Lake gold project, located

located 85km northeast of Ross River, YT.

The 893 ha Dragon Lake property is located within the prolific Tintina Gold Province, host to multiple

million-ounce-plus gold mines and deposits across the central Yukon and Alaska , including Snowline

Gold’s Valley deposit, located approximately 105 km to the northeast.

Highlights

• Located in Yukon within the prolific Tintina Gold Belt,

• Hosts Tombstone Suite intrusive rocks with associated gold mineralization,

• Historical trenching reported up to 1.2 g/t Au over 15m, 6.7 g/t Au over 4.0m, 2.8 g.t Au over

6.0m,

• Historical drilling returned up to 2.14 g/t Au over 10.2m, 0.56g/t Au over 11.54m,

• Broad, untested soil geochemical anomalies up to 400m x 700m in area.

See Dragon Lake Project Information and Map here

Property Geology and Mineralization

Mineralization on the property is associated with an elongate Tombstone Suite intrusive which has

intruded sedimentary rocks of the Hyland Group. Contact metamorphism related to intrusion of the pluton

has resulted in a distinct alteration halo which hosts known mineralization. Gold mineralization occurs in

quartz veins hosted in altered intrusive and sedimentary rocks and associated with skarns along the

intrusive contact zones.

Property History

The property was first staked in 1966 by Kennco Exploration, which completed geological and geophysical

survey work. Canamax and Welcome North carried out additional surface work in 1983 and 1988, with

the 1988 results including a 1m chip sample that returned 12.7g/t Au (Assessment Report 092731). Eagle

Plains acquired the property in 1996 and has carried out geological mapping, soil geochemical sampling,

trenching, geophysical surveys including IP/Resistivity, VLF/EM, and airborne EM/Mag, and 909m of

diamond drilling in 10 holes, with the last work on the property in 2011.

Eagle Plains Exploration Results

Eagle Plains first carried out work on the Dragon Lake property in 1997 with a program of prospecting

and hand trenching. The results were encouraging, including the discovery of two new gold showings and

a chip sample from a hand trench that averaged 1.2 g/t Au over 15m (Assessment Report 093271).

More recent work by Eagle Plains includes a 2010 program where continuous chip trench sampling in the

East Showing area returned values from trace amounts up to 4.9 g/t gold over 6.0m, including 19 g/t Au

over 1.0m, 6.7 g/t over 4.0m and 6.0m grading 2.8 g/t (Assessment Report 095257 ). A grab sample of

material from a 1.2m wide quartz vein returned 19.8 g/t gold. Exploration pits dug in 2010 by Eagle Plains

in areas of anomalous soil samples from past programs returned values from trace amounts up to 2.85 g/t

gold and 2.25 g/t gold.

The first diamond drilling on the property was completed by Eagle Plains in 1999 with DDH D99-01

returning 2.14 g/t Au over 10.2m from 49.3 to 59.5 m , and 3.7 g/t Au over 1.2m from 106.6 – 107.8m.

(Assessment Report 094042). The mineralization was associated with skarn alteration along the intrusive

contact. The 2011 diamond drilling returned values from trace amounts up to 11.54m grading 0.56g/t Au

from 60.0 – 71.54m in DDH DR11004, including 3m grading 1.57g/t Au from 65.0 – 68.0m (Assessment

Report 095467).

The extent of known precious metal mineralization, and anomalous soil geochemistry forms a broad WNW

trending zone measuring approximately 1.3 km in length and 0.35 km in width , and includes an area of

coincident anomalous Au, Cu and Bi soil geochemistry roughly 400 m by 700 m in size. The gold

mineralization appears in part to be controlled by north to northeast trending structures.

Management cautions that historical results were collected and reported by past operators and have not

been verified nor confirmed by a Qualified Person but form a basis for ongoing work on the subject

properties. Management cautions that past results or discoveries on proximate land are not necessarily

indicative of the results that may be achieved on the subject properties.

Qualified Person

Technical information in this News Release has been reviewed and approved by C.C. Downie, P.Geo., a

director and officer of Eagle Plains, hereby identified as the “Qualified Person” under N.I. 43-101.

About Eagle Plains Resources

Based in Cranbrook, B.C., Eagle Plains is a well -funded, prolific project generator that continues to

conduct research, acquire and explore mineral projects throughout western Canada, with a focus on critical

metals integral to an increasingly electrified, decarbonized economy.

The Company was formed in 1992 and is the fourth -oldest listed issuer on the TSX-V (and the only one

of these four that has not seen a roll -back or restructuring of its shares). Eagle Plains has continued to

deliver shareholder value over the years and through numerous spin outs has transferred over

$100,000,000 in value directly to its shareholders, with Copper Canyon Resources and Taiga Gold

Corp. being notable examples. Eagle Plains latest spinout, Eagle Royalties Ltd. (CSE:“ER”) was listed

on May 24, 2023, and holds a diverse portfolio of royalty assets throughout western Canada. On July 02,

2025, ER announced that it had entered into a definitive amalgamation agreement with Summit Royalty

Corp. pursuant to which Summit will “go -public” by way of a reverse takeover (RTO) of ER. Eagle

Royalties shareholders will receive a consideration of $0.18 per ER share, representing a premium of 47%

based on ER’s closing price on June 30, 2025 on the Canadian Securities Exchange. Completion of the

RTO is subject to a number of conditions, including, but not limited to, Exchange acceptance and required

shareholder approvals of ER and Summit. There can be no assurance that the RTO will be completed as

proposed or at all.

On October 2, 2024, Eagle Plains announced the formation of a separate division within the Company

that will give Eagle Plains’ shareholders direct exposure to strategic opportunities in Canadian green

energy transition. As a wholly owned subsidiary of Eagle Plains, Osprey Power Inc. (“OP”) will focus

on identifying and advancing innovative and diverse clean energy project portfolios in target markets

throughout Canada, with an initial focus on Western Canada.

Eagle Plains’ core business is acquiring grassroots critical- and precious-metal exploration properties. The

Company is committed to steadily enhancing shareholder value by advancing our diverse portfolio of

projects toward discovery through collaborative partnerships and development of a highly experienced

technical team.

Expenditures from 2010-2024 on Eagle Plains-related projects exceed $39M, the majority of which was

funded by third -party partners. This exploration work resulted in approximately 50,000m of diamond -

drilling and extensive ground-based exploration work facilitating the advancement of numerous projects

at various stages of development.

Throughout the exploration process, our mission is to help maintain prosperous communities by exploring

for and discovering resource opportunities while building lasting relationships through honest and

respectful business practices.

On behalf of the Board of Directors of Eagle Plains

“C.C. (Chuck) Downie, P.Geo”

President and CEO

For further information on EPL, please contact Mike Labach at 1 866 HUNT ORE (486 8673)

Email: [email protected] or visit our website at https://www.eagleplains.com

Cautionary Note Regarding Forward-Looking Statements

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the

policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

This news release may contain forward-looking statements including but not limited to comments

regarding the timing and content of upcoming work programs, geological interpretations, receipt of

property titles, potential mineral recovery processes, etc. Forward-looking statements address future

events and conditions and therefore, involve inherent risks and uncertainties. Actual results may differ

materially from those currently anticipated in such statements.