MINERAL RESOURCES LIMITED — M&A Activity 2023

Mar 15, 2023

ABN 33 118 549 910 20 Walters Dr, Osborne Park, WA 6017 Locked Bag 13, Osborne Park, WA 6017 P +61 8 9329 3600 F +61 8 9329 3601 W www.mineralresources.com.au

16 March 2023

Dear Norwest Shareholder,

MINRES EXTENDS ITS OFFER PERIOD

Mineral Resources Limited (ACN 118 549 910) ( MinRes ) has extended the offer period under its offmarket takeover bid for all the fully paid ordinary shares in Norwest Energy NL (ACN 078 301 505) ( Norwest ) ( Offer ).

The Offer is now scheduled to close at 7:00pm (Sydney time) on Thursday, 30 March 2023 (unless withdrawn or further extended).

A formal notice of variation (as required by the Corporations Act 2001 (Cth)) is set out on the reverse of this letter.

Norwest shareholders are reminded that the Offer is unconditional and that MinRes has declared the Offer best and final as to consideration, meaning the Offer consideration will not be increased .

Norwest’s directors have unanimously recommended that Norwest shareholders ACCEPT MinRes’ Offer, in the absence of a superior proposal.

As announced to ASX on 15 March 2023, MinRes appointed directors now represent a majority of the board of Norwest.

Accordingly, Norwest Shareholders are urged to ACCEPT MinRes’ Offer without delay .

How to accept

All Norwest shareholders should have received an Acceptance Form with MinRes’ Bidder’s Statement, including instructions on how to accept. You will receive your MinRes shares within seven (7) business days of your acceptance.

If you have any queries in relation to the Offer, or wish to request a new Acceptance Form, please contact the Offer Information Line on the following phone numbers:

Within Australia (toll-free): 1300 916 995 Outside Australia: +61 3 9415 4653

Yours sincerely

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Chris Ellison Managing Director

This announcement has been authorised for release to the ASX by Mark Wilson, Chief Financial Officer and Company Secretary.

A copy of this notice was lodged with ASIC on 16 March 2023. ASIC takes no responsibility for the contents of this notice.

Notice of variation of Offer – extension of offer period

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To: Australian Securities & Investments Commission

ASX Limited

Norwest Energy NL ABN 65 078 301 505 (Norwest)

Each Norwest shareholder and other person referred to in sections 650D(1)(c) and 650D(2) of the Corporations Act 2001 (Cth) (as modified by ASIC Class Order [13/521])

Mineral Resources Limited ACN 118 549 910 ( MinRes ) gives notice for the purposes of section 650D of the Corporations Act 2001 (Cth) ( Corporations Act ) that its takeover offer ( Offer ) for all of the fully paid ordinary shares in Norwest contained in its bidder’s statement dated 16 December 2022 ( Bidder’s Statement ) (as varied by notices of variation dated 25 January 2023 and 2 March 2023) is varied by extending the period during which the Offer will remain open so that the Offer will now close at 7:00pm (Sydney time) on Thursday, 30 March 2023 (unless further extended or withdrawn).

Capitalised terms in this notice have the same meaning given in the Bidder’s Statement unless the context requires otherwise.

MinRes gives notice that it has extended its Offer to now close at 7:00pm (Sydney time) on Thursday, 30 March 2023.

In accordance with section 650C of the Corporations Act, MinRes varies the Offer by:

• (a) extending the Offer Period so that the Offer will remain open for acceptance until 7:00pm (Sydney time) on Thursday, 30 March 2023 (unless further extended or withdrawn); and

• (b) replacing “16 March 2023” with “30 March 2023” in each place the closing date of the Offer is referred to in the Bidder’s Statement (including the acceptance forms) (as varied by notices of variation dated 25 January 2023 and 2 March 2023).

Date: 16 March 2023

Signed for and on behalf of Mineral Resources Limited pursuant to a resolution of the directors.

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Christopher Ellison Managing Director Mineral Resources Limited

James McClements Non-executive Chair Mineral Resources Limited

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