IRIS METALS LIMITED — Capital/Financing Update 2026

Mar 3, 2026

ASX:IR1 - ASX RELEASE 4 March 2026

UPCOMING OPTION EXPIRY

HIGHLIGHTS

• Upcoming expiry of 500,000 options, exercisable at $0.00, expiring 24 April 2026

IRIS Metals Limited ( ASX : IR1, “IRIS” or “the Company”) advises that the following unlisted options are due to expire as noted below:

ASX UnquotedSecurities	Number of Options	Exercise Price	Expiry Date
IR1AAA	500,000	$0.00	24 April 2026

Any participant wishing to exercise their options must forward a completed option exercise form and payment prior to 5.00pm (AEST) on the expiry date. The Company will despatch an option exercise form to each holder of these options, as requested, should they wish to exercise their options.

This announcement was approved for release by the Board of Iris Metals.

For further information, please contact:

COMPANY

Peter Marks

INVESTORS & MEDIA

Melissa Tempra

• E. peter@irismetals.com E. melissa@nwrcommunications.com.au

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About IRIS Metals (ASX:IR1)

IRIS Metals Ltd (ASX:IR1) is an exploration company with an extensive suite of assets considered to be highly prospective for pegmatite hosted critical minerals, including lithium rubidium, caesium, tantalum and beryllium, located in South Dakota, United States (US). The company’s large project area in western South Dakota is located in a mining friendly jurisdiction and provides the company with strong exposure to the battery metals and critical minerals space, and the incentives offered by the US government for domestically sourced critical minerals.

To learn more, please visit: www.irismetals.com

Forward looking Statements:

This announcement may contain certain forward-looking statements that have been based on current expectations about future acts, events and circumstances. These forward-looking statements are, however, subject to risks, uncertainties and assumptions that could cause those acts, events and circumstances to differ materially from the expectations described in such forwardlooking statements. These factors include, among other things, commercial and other risks associated with exploration, estimation of resources, the meeting of objectives and other investment considerations, as well as other matters not yet known to IRIS or not currently considered material by the company. IRIS accepts no responsibility to update any person regarding any error or omission or change in the information in this presentation or any other information made available to a person or any obligation to furnish the person with further information.

Not an offer in the United States:

This announcement has been prepared for publication in Australia and may not be released to US wire services or distributed in the United States. This announcement does not constitute an offer to sell, or a solicitation of an offer to buy, securities in the United States or any other jurisdiction. Any securities described in this announcement have not been, and will not be, registered under the US Securities Act of 1933 and may not be offered or sold in the United States except in transactions exempt from, or not subject to, the registration requirements of the US Securities Act and applicable US state securities laws.

Listing Rule 5.23.2:

In respect of this announcement, where IRIS has referred to, or referenced, prior ASX market announcements, IRIS confirms that it is not aware of any new information or data that materially affects the information included in the relevant market announcement (unless otherwise stated) and, in the case of estimates of mineral resources or ore reserves, that all material assumptions and technical parameters underpinning the estimates in the prior relevant market announcement continue to apply and have not materially changed.

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