BOSS ENERGY LTD — Major Shareholding Notification 2026

Jun 2, 2026

605 Page 1 of 2 15 July 2001

Form 605

Corporations Act 2001

Section 671B

Notice of ceasing to be a substantial holder

To Company Name/Scheme
Boss Energy Ltd

ACN/ARSN
116 834 336

1. Details of substantial holder (1)

Name
The Bank of New York Mellon Corporation (BNY) and each Group Entity listed in Annexure A (Group Entity), (together BNY Group)

ACN/ARSN (if applicable)

The holder ceased to be a substantial holder on
29/May/2026

The previous notice was given to the company on
28/April/2026

The previous notice was dated
27/April/2026

1. Changes in relevant interests

Particulars of each change in, or change in the nature of, a relevant interest (2) of the substantial holder or an associate (3) in voting securities of the company or scheme, since the substantial holder was last required to give a substantial holding notice to the company or scheme are as follows:

Date of change	Person whose relevant interest changed	Nature of change (4)	Consideration given in relation to change (5)	Class (6) and number of securities affected	Person's votes affected
See Annexure B

1. Changes in association

The persons who have become associates (3) of, ceased to be associates of, or have changed the nature of their association (7) with, the substantial holder in relation to voting interests in the company or scheme are as follows:

Name and ACN/ARSN (if applicable)	Nature of association
BNY and each Group entity	Each Group Entity is an associate of BNY pursuant to section 12(2) (a) of the Corporations Act 2001 (Cth) as each entity is directly or indirectly owned and controlled by BNY.

1. Addresses

The addresses of persons named in this form are as follows:

Name	Address
The Bank of New York Mellon Corporation	240 Greenwich Street, New York, NY 10286 USA
Each Group Entity	240 Greenwich Street, New York, NY 10286 USA

Signature

print name
Andrew Weiser
capacity
Attorney-In-Fact

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605 Page 2 of 2 15 July 2001

sign here
Arthur Wein
date 01/June/2026

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Annexure A

This is Annexure A of 1 page referred to in form 605 Notice of Ceasing to be a Substantial Holder given by The Bank of New York Mellon Corporation and its related bodies corporate

The Bank of New York Mellon Corporation is the ultimate parent company of a corporate group comprised of a large number of operating and holding companies. Details of the entities directly owned and controlled by The Bank of New York Mellon Corporation are listed below.

• The Bank of New York Mellon
• Pershing Group LLC
• Pershing LLC

print name Andrew Weiser
capacity Attorney-In-Fact

sign here Andrew Weiser
date 01/June/2026

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Annexure B

This is Annexure B of 1 page referred to in Form 605 Notice of ceasing to be a substantial holder

Changes in relevant interests

Date of Change	Person whose relevant interest changed	Nature of Change	Consideration given in relation to change	Class and number of securities affected (Ordinary)	Person's votes affected
07-May-2026	The Bank of New York Mellon	Return of Lent securities (Agent Lender)	N/A	(710,000)	(710,000)
29-May-2026	The Bank of New York Mellon	Return of Lent securities (Agent Lender)	N/A	(2,500,000)	(2,500,000)

Print Name - Andrew Weiser

Sign Here

Capacity - Attorney-In-Fact

Date - 01 June 2026