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Kirkland Lake Discoveries Completes Helicopter Magnetotelluric Geophysical Survey Across KL West

Exploration Programs

Kirkland Lake Discoveries Completes

Helicopter Magnetotelluric Geophysical

Survey Across KL West

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

Kirkland Lake Discoveries (TSXV: KLDC)

(OTCID: KLKLF) ("KLDC" or the "Company")

is pleased to announce the successful completion of a

2,000 line-kilometre helicopter-borne magnetotelluric (MobileMT) survey over its KL West Project in

Kirkland Lake, Ontario.

The Mobile MT survey, conducted by Expert Geophysics, commenced on September 23

rd

and was

completed on October 2

nd

. MobileMT represents the most advanced generation of airborne AFMAG

technology, utilizing naturally occurring electromagnetic fields in the frequency range of 25 Hz - 21,000

Hz. The system integrates the latest advances in electronics, airborne system design, and sophisticated

signal processing techniques to deliver high-quality subsurface imaging.

MobileMT is the only system proven to provide geoelectrical information from surface to depths

exceeding one kilometre, with exceptional spatial and resistivity resolution. It detects resistivity contrasts

of geology structures and boundaries of any shape and in any direction due to the total field (three

components) measurements.

"This helicopter MT survey will provide us with key data to accelerate our understanding of the Winnie

Pluton and its role in the area's mineralization

," said Stefan Sklepowicz, CEO of Kirkland Lake

Discoveries. "

We expect to define the contact of the intrusion to depths beyond one kilometre and

identify any key conductive bodies surrounding it. The survey also covers known mineralization

intersected in our most recent drill program. By integrating these geophysical results with our 2024

geochemical anomalies, we'll generate robust, high-priority targets for our Fall 2025/Winter 2026 drill

campaign

.

"

KLDC is in the final stages of its private placement, which is expected to close next week.

Assay results

will be released from the lab at that time, with geological interpretation and additional updates to follow

shortly thereafter.

Video Footage

The latest episode of KLDC's Treasure Hunters YouTube series features CEO Stefan Sklepowicz

talking about the ongoing private placement and the mobile MT survey.

Watch here:

Cannot view this video?

Visit:

https://www.youtube.com/watch?v=XZMBaPml-yM

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 exploration permits now in place, KLDC is positioned to advance a strong pipeline of drill-ready

targets at KL East and KL West, supported by multiple anomalous soil trends, historical mineral

showings, and structurally controlled intersections. 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

Mineralization hosted on adjacent and/or nearby properties is not necessarily indicative of mineralization

hosted on the Company's property. 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/269750