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KLDC.V ·

Provides Exploration Update and Announces New Drill Permits

Exploration Programs Permits & Approvals

5.7% Cu, 5.3% Zn, 1.6 g/t Au and 28.2 g/t Ag

from Winnie Lake Grab Sample - KLDC

Provides Exploration Update and Announces

New Drill Permits

Toronto, Ontario--(Newsfile Corp. - July 9, 2025) -

Kirkland Lake Discoveries (TSXV: KLDC)

("KLDC" or the "Company")

is pleased to announce that it has received drill permits for its recently

acquired

Winnie Lake project

, located in the western portion of its Kirkland Lake land package in

Ontario's Abitibi Greenstone Belt. The Company also provides an update on exploration work completed

in May and June, which has resulted in new mineral discoveries and meaningful advancements in

geological understanding.

The KLDC field team has completed detailed prospecting, mapping, access planning, outcrop stripping,

and channel sampling in preparation for the Company's inaugural drill campaign at the Winnie intrusive.

The focus is to test the potential for a copper-gold bearing intrusion-related system at the Winnie Lake

showing and to evaluate newly identified geophysical and geochemical targets.

Exploration Highlights

High-Grade Polymetallic Grab Sample at Winnie Showing

A grab sample collected near the historical Winnie shaft (Figure 1) returned:

1.60 g/t gold (Au), 28.20 g/t silver (Ag), 5.70% copper (Cu), 5.30% zinc (Zn), 1.65 g/t

tellurium (Te)

The sample was taken from massive sulphide mineralization strongly associated with massive

magnetite. This confirms the presence of high-grade polymetallic mineralization. To further assess the

continuity of this magnetic feature under overburden, a high-resolution drone magnetic survey was

completed in June.

New Discovery West of the Winnie Shaft

Field prospecting led to the discovery of a newly exposed, intensely quartz-veined intrusive outcrop

approximately

150 metres west

of the historical shaft. Channel sampling was completed after clearing,

with the outcrop displaying:

Visible malachite, chalcopyrite, and trace pyrite

Strong potassic and hematite alteration

These characteristics are indicative of a

magmatic-hydrothermal system

, possibly representing an

intrusion-related Cu-Au system

or early-stage

IOCG-style mineralization

. The alteration style

(potassic enrichment and hematite staining) is commonly associated with large, high-temperature

hydrothermal systems sourced from or centered around intrusive bodies.

This newly identified zone lies just west of the historical workings, suggesting prior operators may have

only tested a limited portion of the mineralized system. If confirmed by assays and drilling, this could

represent a significant new mineralized body with scale potential.

Intrusion-Hosted Geochemical Signature

A sample collected directly from a quartz vein within the intrusion returned:

1,235 g/t bismuth (Bi), 1.56 g/t Te, 10.30 g/t molybdenum (Mo), 0.13% Cu, 12.75 g/t Ag, 0.03

g/t Au

This trace element suite, particularly the elevated

Bi-Te-Mo values,

is geochemically characteristic of

Intrusion-Related Gold Systems (IRGS)

. These systems are known for:

Broad alteration halos

Large-scale, bulk-tonnage gold potential

Association with reduced, fertile intrusions

The presence of these elements strengthens the interpretation that the

Winnie intrusion is a

mineralizing source

, not barren, and may host a

zoned mineralized system

with both high-grade

and disseminated potential.

Analogous Systems in the Region:

Notable intrusion-hosted deposits in the Abitibi include:

Young-Davidson Mine (Alamos Gold)

Au in syenite with potassic alteration

Upper Beaver (Agnico Eagle)

Cu-Au system with Bi-Te-Mo signature and IOCG features

LaRonde Complex (Agnico Eagle)

Though primarily classified as a VMS deposit, deeper

zones exhibit

Cu-Au-Bi-Te-Mo enrichment

and

magmatic-hydrothermal features

, suggesting

a hybrid or transitional system in parts of the Blake River Group

These analogues support KLDC's ongoing evaluation of the Winnie intrusion as a significant mineralized

center.

Figure 1 – Drone Magnetic Survey and Sample Locations –

First vertical derivative (1VD) magnetic

map from KLDC's 2025 high-resolution drone survey, showing key grab and channel sample locations

across the Winnie Lake area. This includes the high-grade sample near the Winnie shaft, the newly

exposed quartz-veined intrusive outcrop ~150m to the west, and the broader geological and structural

framework revealed by the survey. Zones of interest are highlighted and prioritized for drilling, with assay

results from channel sampling pending.

To view an enhanced version of this graphic, please visit:

https://images.newsfilecorp.com/files/5701/258202_31f70cab045e5997_001full.jpg

Additional Program Milestones

Channel Sampling Completed

41 metres of channel sampling

were completed across newly stripped and historical outcrops in

the Winnie Lake area.

75 individual samples

were submitted for assay. Results will be reported once received and

interpreted.

Drone Magnetic Survey Completed

KLDC completed a high-resolution drone magnetic survey in June, resulting in several key findings:

A previously unrecognized

magnetic low

within the intrusive body has been identified. This

feature may represent a

reduced and altered core

, possibly associated with mineralization.

Similar magnetic lows host mineralized zones at deposits such as

Upper Beaver

.

Improved definition of the contact between mafic volcanics and the intrusion, outlining multiple

untested kilometers of strike.

This refined geophysical model is being used to finalize drill hole targeting for KLDC's upcoming

inaugural drill program at the Winnie intrusive.

Drill Permits Received

KLDC is pleased to report that it has received full

drill permits

for the Winnie Lake project. The

Company plans to initiate its

first-pass drill program this summer

, targeting the newly defined

geochemical, magnetic, and alteration zones.

"The start of our field season has delivered meaningful results and key breakthroughs," said

Stefan

Sklepowicz, CEO of Kirkland Lake Discoveries.

"With high-grade copper-zinc values, a newly

discovered mineralized zone, and a promising geochemical signature pointing to a deeper intrusion-

related gold system, we're executing a focused and cost-effective program that is unlocking the potential

of the Winnie Intrusion. With drill permits now in hand, we look forward to testing these compelling targets

this summer."

Video Footage Available

Field footage of the newly discovered outcrop and channel sampling is available through the Company's

YouTube channel, specifically KLDC Treasure Hunter's

Episode 14: Boots in the Bush, Suits in the City

.

QP Statement

The technical information contained in this news release has been approved by Mike Kilbourne, P.Geo.

who is a Qualified Person as defined in National Instrument 43-101, Standards of Disclosure for Mineral

Projects.

About Kirkland Lake Discoveries Corp.

Kirkland Lake Discoveries Corp. (TSXV: KLDC) has assembled a 400 km

2

exploration portfolio in the

Kirkland Lake region of Ontario's Abitibi Greenstone Belt-one of the most prolific mining districts in the

world. The Company's properties span key fault zones, geophysical anomalies, and volcanic-

sedimentary contacts within the Blake River Group-a highly prospective assemblage known to host both

gold and polymetallic VMS deposits.

With multiple anomalous soil trends, historical showings, and structural intersections now permitted for

exploration, KLDC is advancing a pipeline of drill-ready targets across its KL East and KL West project

areas. The team combines strong technical experience with a focus on smart, efficient exploration

designed to deliver results.

For additional information, please contact:

Stefan Sklepowicz

Chief Executive Officer

www.kirklandlakediscoveries.com

+1 226 979 3515

[email protected]

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

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

release.

Forward-Looking Statements

This news release contains certain "forward-looking information" and "forward-looking statements"

(collectively "forward-looking statements") within the meaning of applicable securities legislation. All

statements, other than statements of historical fact, included herein, without limitation, statements

relating the future operations and activities of Kirkland Lake Discoveries, are forward-looking

statements. Forward-looking statements are frequently, but not always, identified by words such as

"expects", "anticipates", "believes", "intends", "estimates", "potential", "possible", and similar

expressions, or statements that events, conditions, or results "will", "may", "could", or "should" occur or

be achieved. Forward-looking statements in this news release relate to, among other things, the

Company's drill program, the results thereof, and any impact therefrom. There can be no assurance that

such statements will prove to be accurate, and actual results and future events could differ materially from

those anticipated in such statements. Forward-looking statements reflect the beliefs, opinions and

projections on the date the statements are made and are based upon a number of assumptions and

estimates that, while considered reasonable by Kirkland Lake Discoveries, are inherently subject to

significant business, economic, competitive, political and social uncertainties and contingencies. Many

factors, both known and unknown, could cause actual results, performance or achievements to be

materially different from the results, performance or achievements that are or may be expressed or

implied by such forward-looking statements and the parties have made assumptions and estimates

based on or related to many of these factors. Such factors include, without limitation, the ability to

complete proposed exploration work, the results of exploration, continued availability of capital, changes

in general economic, market and business conditions, and the ability to obtain any requisite approvals.

Readers should not place undue reliance on the forward-looking statements and information contained in

this news release concerning these items. Kirkland Lake Discoveries does not assume any obligation to

update the forward-looking statements of beliefs, opinions, projections, or other factors, should they

change, except as required by applicable securities laws.

To view the source version of this press release, please visit

https://www.newsfilecorp.com/release/258202