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: 

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

About Kirkland Lake Discoveries Corp.
Kirkland Lake Discoveries Corp. (TSXV: KLDC) has assembled a 400-km² 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.