MONADELPHOUS GROUP LIMITED — Capital/Financing Update 2021

Nov 16, 2021

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17 November 2021

Company Announcements Australian Securities Exchange Limited Level 4, 20 Bridge Street SYDNEY NSW 2000 AUSTRALIA

Dear Sir / Madam

RE: MONADELPHOUS CONTRACTS UPDATE

Please find attached a copy of an announcement to be issued today by Monadelphous Group Limited regarding the award of new contracts and contract extensions in the resources sector valued at approximately $110 million in total.

Authorised by

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Philip Trueman Company Secretary

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ASX RELEASE

17 November 2021

MONADELPHOUS CONTRACTS UPDATE

Engineering company Monadelphous Group Limited (ASX: MND) (“Monadelphous” or “the Company”) today announced it has secured new contracts and contract extensions in the resources sector totalling approximately $110 million.

The Company has secured a 12-month extension to its existing contract with BHP Iron Ore for the provision of general maintenance services for shutdowns, outages and minor capital works at the Mt Whaleback, Jimblebar, Eastern Ridge, Mining Area C and Yandi mine sites located in the Pilbara region of Western Australia.

Monadelphous has also been awarded a number of new contracts with Rio Tinto in the Pilbara under its sustaining capital projects panel agreement for:

• The construction of new hawser rails and upgrades to the existing dolphins at Cape Lambert A and B wharves. The work, which includes design, fabrication, supply and installation, is expected to be completed by July 2023; and

• The upgrade of conveyor gravity take up systems at East Intercourse Island and Cape Lambert, with work expected to be completed in the third quarter of 2022.

In addition, Monadelphous has also secured a 12-month extension to its existing mechanical and electrical maintenance, shutdown and project services contract across BHP's Nickel West operations in Western Australia.

Further Information

Analysts/Investors Media Kristy Glasgow Ella McCarthy Investor Relations Group Manager - Marketing and Communications T +61 8 9316 6386 T +61 8 6311 1018 M +61 403 781 909 M +61 401 404 874 Investor_relations@monadel.com.au EMcCarthy@monadel.com.au

About Monadelphous

Monadelphous Group Limited (ASX: MND) is a leading Australian engineering group providing construction, maintenance and industrial services to the resources, energy and infrastructure sectors. The Company has two operating divisions − Engineering Construction, providing large-scale multidisciplinary project management and construction services, and Maintenance and Industrial Services, specialising in the planning, management and execution of mechanical and electrical maintenance services, shutdowns, fixed plant maintenance services and sustaining capital works.

Monadelphous is headquartered in Perth, Western Australia, with a major office in Brisbane, Queensland, and offices, projects, facilities and workshops across Australia and in New Zealand, China, Mongolia, Papua New Guinea, Chile and the Philippines. Please visit www.monadelphous.com.au for further information.