Significant Ownership of IsoEnergy Ltd.

Signature - Title: /s/ Graham du Preez - Graham du Preez/Chief Financial Officer
Location: Toronto
Summary: This page shows a list of all the recent SCHEDULE 13D/G filings made by IsoEnergy Ltd..

Notify me when IsoEnergy Ltd. files a new Schedule 13D/G report.

Sym	Company	Class	Ownership	Holdings Value	Net Change	Nb Shares	Change %	Reporting Name	Report Period
JAGU	Jaguar Uranium Corp.	Class A Common Shares, no par value	16%	$10,605,269		3,253,150		IsoEnergy Ltd.	12 Feb 2026

Schedules 13D/G Reported by IsoEnergy Ltd.:

Sym	Target	Class	Ownership	Change	Current Shares	Change	Value	Reporting name	Form	Report Period	Filing Date

* An asterisk sign (*) next to the price indicates that the price is likely invalid.