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Drilling Underway at Playfair’s Mount Uniacke Playfair announces that drilling is in progress at its Mount Uniacke Project, part of Playfair’s Golden Circle Project in Nova Scotia. Playfair is fully funded for the drill program totaling 2,950

Exploration Programs

NEWS RELEASE

738-1489 Marine Drive Tel: 604 687-7178 PLY: TSX-V

West Vancouver, B.C.

Canada V7T 1B8 Toll Free: 888-244-6644 Aug 13, 2026

Drilling Underway at Playfair’s Mount Uniacke

Playfair announces that drilling is in progress at its Mount Uniacke Project, part of Playfair’s

Golden Circle Project in Nova Scotia. Playfair is fully funded for the drill program totaling 2,950

metres in 41 drillholes to test for high grade gold at modest depths below the shallow historical

surface workings together with testing for bulk tonnage gold near historical large open cuts.

Three of the planned six holes on the historic West Lake Mine have been completed to date.

The targeted three-prong drill program is summarized below.

West Lake Mine Area

This initial drilling is designed to directly test the conclusion of E.R. Faribault, as reported by

Malcolm (1929), that veins north of the historic Borden Vein "may prove very rich at the crumple."

The program consists of two groups of three 100 -metre holes (600 metres total) drilled from

the same setups. The strategic objective is to test this specific, high-grade structural target where

the veins are predicted to be thickened by the "Crumple" at a relatively shallow depth, providing

a rapid and cost-effective validation of a long-standing geological thesis.

Central Crossing

This phase of drilling will consist of 10 locations with 3 shallow drill holes each (30 shallow

drill holes for a total of 1,550 metres) . It is designed to locate and explore the "Crumple"

structure where it is projected to intersect a major north -south vein zone, approximately 850

metres away from the well-mapped West Lake Mine. The objective of this work is to delineate the

scale and con tinuity of this critical gold -bearing structure and understand its potential to host

significant mineralization where it interacts with, and potentially thickens, other known gold -

bearing veins.

Open Cut Area

This component of the program will test an entirely different deposit model, leveraging historical

evidence of open-cut mining of low-grade material (2.8 g/t). This drilling, comprising four 100-

metre holes and one 400-metre hole (800 metres total), will test the potential for a high-

tonnage, disseminated gold deposit. The rationale is strongly supported by a poorly sampled

1995 drill hole (MU 95-1) which assayed 2.6 g/t Au from unremarkable core that was adjacent to

unsampled sections, underscoring the potential for a much larger mineralized system than

previously understood.

Further d etails of the drill program , which is supervised by Greg Davison P.Geo, and Perry

MacKinnon P.Geo both qualified persons as defined by National Instrument 43-101. can be found

here in Playfair’s News Release dated November 10, 2025

Playfair’s CEO Don Moore said “Playfair is excited by the opportunities available in Nova Scotia’s

New Gold Era. We are looking forward to drill results from the first core drilling at Mount Uniacke

in over 30 years.”

To subscribe to Playfair’s Press Releases and periodic newsletters please Subscribe Here.

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.

The technical contents of this release were reviewed and approved by Greg Davison,

PGeo, a qualified person as defined by National Instrument 43-101.

For further information visit our website at www.playfairmining.com or contact:

Donald G. Moore D. Neil Briggs

CEO and Director Director

Phone: 604-377-9220 Phone: 604-562-2578

Email: [email protected] Email [email protected]

Forward-Looking Statements: This Playfair Mining Ltd. News Release may contain certain "forward-looking" statements and information relating

to Playfair which are based on the beliefs of Playfair management, as well as assumptions made by and information currently available to Playfair

management. Such statements reflect the current risks, uncertainties and assumptions related to certain factors including, wi thout limitations,

exploration and development risks, expenditure and financing requirements, title matters, operating hazards, metal prices, political and economic

factors, competitive factors, general economic conditions, relationships with vendors and strategic partners, governmental re gulation and

supervision, seasonality, technological change, indus try practices, and one -time events. Should any one or more of these risks or uncertainties

materialize or change, or should any underlying assumptions prove incorrect, actual results and forward -looking statements may vary materially

from those described herein.