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Eagle Plains Partner Refined Energy Files 43-101 Report on Dufferin Project with Recommendations for Drill Program at Dufferin West Targets

Technical Reports (NI 43-101) Exploration Programs

Eagle Plains Partner Refined Energy Files 43-101 Report on Dufferin Project

with Recommendations for Drill Program at Dufferin West Targets

Cranbrook, B.C., June 30th, 2025: Eagle Plains Resources Ltd. (TSX -V:EPL) (OTCQB: EGPLF)

(“EPL” or “ Eagle Plains ”) is pleased to announce that partner Refined Energy Corp (CSE: RUU;

OTC: RFMCF; FRA: CWA0) (“Refined” ) has filed a National Instrument 43 -101, Standards of

Disclosure for Mineral Projects, technical report for the Dufferin Project in the Athabasca Basin. A drill

program consisting of a minimum of four holes and 1,250 metres is recommended for the Dufferin West

targets at a budget of $2,062,500. The technical report is available under Refined’s Sedar+ profile.

The highest priority target area (see figure below) is represented by a conductor associated with the

interpreted trace of the Virgin River Shear Zone. It is a strong conductor associated with a distinct magnetic

transition. This conductor is interpreted to extend from the unconformity at the sandstone contact well into

the underlying basement rocks. The second conductor is also interpreted to extend from the unconformity

to a lesser distance into the underlying basement rocks. Neither target has ever been drill tested and the

depth of sandstone cover above the unconformity is estimated to be relatively shallow at less than 200m.

Uranium deposits in the Athabasca Basin are often located at or underneath the unconformity contact

between the overlying sandstone and the basement rocks.

Mark Fields, Chief Executive Officer of the Company stated, “It is exciting to be planning an initial drill

program for Refined Energy in the Athabasca Basin, renowned for its history of exploration, discovery,

and development of high value uranium mines. The Dufferin Project is located in proximity to NE -SW

trending faults which are known to host uranium mineralization. An example approximately 18 km north

of Dufferin West on the same Virgin River Shear Zone is Cameco’s Centennial deposit where historic drill

hole VR -031W3 intersected 8.78 per cent U 3O8 over 33.9 metres (SMAF 74G12 -0061)1. Our work is

focused on the discovery of potential high-grade deposits that characterize the Athabasca Basin.”

See Dufferin West Uranium Target Compilation Map here

Refined holds the exclusive option to acquire up to a 75% interest in the 10,140ha Dufferin Project, which

is made up of the North and West Dufferin properties.

See Dufferin West Property Information and Map here

See Dufferin North Property Information and Map here

The Dufferin Project is located on or in close proximity to the known trace of the Virgin River Shear Zone

and related splays which are key structures for potential uranium mineralization.

The Project is prospective for unconformity- and basement-hosted uranium mineralization in proximity to

the Virgin River Shear Zone. Faulted basement contacts and brittlely reactivated structures are the primary

locations for mineralization in the area covered by the Dufferin Project. The relatively high concentration

of secondary uranium-bearing minerals demonstrated by prior exploration work on the Dufferin Project

indicates uranium mineralization remobilization may play an important role in this region of the Athabasca

Basin. Geophysical EM and magnetic anomalies demonstrated by prior exploration work on the Dufferin

Project are supported by previous uranium and boron soil and lake sediment anomalies along the inferred

fault zones, which are expected to aid in focusing future exploration programs.

Some of the above results were taken directly from the SMDI descriptions and assessment reports (SMAF)

filed with the Saskatchewan government. Management cautions that historical results were collected and

reported by past operators and have not been veri fied nor confirmed by a Qualified Person, but form a

basis for ongoing work on the subject properties. Eagle Plains’ management cautions that past results or

discoveries on proximate land are not necessarily indicative of the results that may be achieved o n the

subject properties.

References

1 Witt, Gary and Brown, A.G., (2010): Cameco Corporation Virgin River Project 2009 Annual Exploration Report; SMAF 74G12-0061;

Dufferin Option Agreement Details

To exercise the Option, Refined must make a series of cash payments and share issuances to Eagle Plains

and fund exploration expenditures on the Project. These payments, share issuance and expenditures are

separated into two phases, with the first Option entitling the Company to acquire a 60% interest in the

Project by paying CA$275,000, issuing an aggregate of 1,000,000 post -consolidated common shares to

EPL and funding CA$2,600,000 in exploration expenditures on the Proj ect by December 31, 2026.

Pursuant to the second phase of the Option, the Company may acquire an additional 15% interest in the

Project (for a 75% total interest) by paying an additional CA$500,000, issuing an additional 500,000 post-

consolidated Shares to EPL and funding an additional CA$3,000,000 in exploration expenditures on the

Project by December 31, 2028. The Dufferin project is owned 100% by EPL, wh ich has been appointed

as Operator during the first Option period.

If the First Option or the Second Option is exercised, a 2% smelter returns royalty will be granted to Eagle

Plains, 1% of which may be repurchased for CA$2,000,000.

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.

Update on Donna Property Option

Eagle Plains reports that is has received formal notice from option partner Annacotty Resources Corp.,

a private BC company, that it has terminated its option on EPL’s 100% owned Donna property located

70km east of Vernon, BC. The Donna Property is road-accessible and located within rocks of the prolific

Quesnellia Terrane, host to many major B.C. porphyry deposits such as Highland Valley, Gibraltar,

Mount Polley, Mount Milligan, Copper Mountain and others. Despite the rich endo wment of

mineralization in these rocks, the Donna area has seen relatively little exploration activity by industry

or government. Placer gold claims overlie many of the creeks draining the Donna Property. The project

area is consid ered to hold good potential to host intrusive -related gold mineralization. Management

cautions that past results or discoveries on proximate land are not necessarily indicative of the results

that may be achieved on the Donna property.

Since acquiring the property, Eagle Plains has carried out annual systematic exploration including

airborne radiometric and magnetic surveys, prospecting, geological mapping, soil and silt geochemical

sampling and 1152m (3779”) of diamond drilling in 12 holes. The property boasts a robust GIS database

consisting of rock, soil, silt, till, trench and drill -hole results within and adjacent the property area. In

July, 2020, EPL completed the purchase of historical crown grants covering workings documented at

the St. Paul and Morgan mines (BCMINFILE 082LSE010), which include shafts, tunnels, winzes and

an unknown number of open cuts and trenches, as well as a tramline and stamp mill that operated in the

early 1900’s.

See Donna Property Information and Map here

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, 20 23,

and holds a diverse portfolio of royalty assets throughout western Canada.

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 Eag le 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 2010-2023 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.