METRO MINING LIMITED — Capital/Financing Update 2025

Sep 7, 2025

Metro Mining Limited ASX Announcement 8 September 2025

Operational Update – August 2025

KEY HIGHLIGHTS

• 753,101 WMT shipped in August 2025, a 6% year-on-year increase.

• YTD shipments of 3.4 million WMT, on target for CY 2025 target of 6.5 to 7.0 million WMT.

Metro Mining Limited (ASX:MMI) (‘ Metro ’, the ‘ Company ’) is pleased to announce that its Bauxite Hills Operation shipped 753,101 Wet Metric Tonnes (WMT) in August 2025, representing a 6% increase in shipped production relative to August 2024.

Our focus on continuous improvement in materials handling has yielded record throughput rates at the Barge Loading Facility (BLF), with an average rate over 1,700 tonnes per hour achieved for August.

Unfavourable weather conditions at the beginning of August impacted shipping operations for 2 to 3 days.

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----- Start of picture text ----- 35 Shipments: 2025, 2024, 2023 YTD (monthly and 3 day rolling average)2025 3 Day Rolling Average 2025 Guidance - 6.5 - 7.0 M30252025 Monthly20 2024 Monthly15 2023 Monthly1050Mar 25 Apr 25 May 25 Jun 25 Jul 25 Aug 25 Sep 25 Oct 25 Nov 25 Dec 25k wmt / day----- End of picture text -----

This announcement has been approved by the CEO & Managing Director, Simon Wensley.

ENDS.

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----- Start of picture text ----- For more information contact:CEO & Managing Director Investor RelationsSimon Wensley Peter Taylorinfo@metromining.com.au Peter@nwrcommunications.com.au+61 7 3009 8000 +61 (0)412 03623107 3009 8000 Level 4, 135 Wickham Tce, Brisbane Q 4000 www.metromining.com.auABN 45 117 763 443----- End of picture text -----

About Bauxite and Metro Mining

Bauxite is the ore used to make aluminium, a critical and strong growth metal in the energy transition. Metro Mining is an independent bauxite producer and explorer, with its 100% owned Bauxite Hills Mine operating on the Weipa bauxite plateau approximately 95 kilometres north of Weipa, near the coast on the Skardon River. Metro Mining produces a high alumina bauxite, shipping direct to customers in very large ore carriers. Metro Mining recognises and has productive agreements with the Traditional Owners of the land on which it operates and is proud of its high percentage of indigenous employees and the economic impact it has in Cape York and Far North Queensland.

Forward-Looking Statements

This announcement may contain ‘forward looking statements’ concerning the financial conditions, results of operations and business of the Company. All statements other than statements of fact are or may be deemed to be ‘forward looking statements’. Often, but not always, ‘forward looking statements’ can be identified by the use of forward looking words such as ‘may’, ‘will’, ‘expect’, ‘intend’, ‘plan’, ‘estimate’, ‘anticipate’, ‘continue’, ‘outlook’, and ‘guidance’ or other similar words, and may include, without limitation, statements regarding plans, strategies and objectives of management, future or anticipated production or construction commencement date and expected costs, resources and reserves, exploration results or production outputs. Forward looking statements are statements of future expectations that are based on management’s current expectations and assumptions, but known and unknown risks and uncertainties could cause the actual results, performance or events to differ materially from those expressed or implied in these statements. These risks include, but are not limited to, price fluctuations, actual demand, currency fluctuations, drilling and production results, resource and reserve estimates, loss of market, industry competition, environmental risks, physical risks, legislative, fiscal and regulatory developments, economic and financial market conditions in various countries and regions, political risks, project delay or advancement, approvals and cost estimates.

Disclaimer

To the maximum extent permitted by law, Metro and their respective affiliates, related bodies corporate, officers, employees, partners, agents and advisers make no representation or warranty (express or implied) as to the currency, accuracy, fairness, sufficiency or completeness of the information contained in this announcement and expressly disclaim all responsibility and liability for any loss or damage arising in respect of any reliance of the accuracy, fairness, sufficiency or completeness of the information contained in this announcement, or any opinions or beliefs contained in this document. The Company is under no obligation to update or keep the information contained in this announcement current, or to correct any inaccuracy or omission which may become apparent, or to furnish any person with any further information.

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