MONADELPHOUS GROUP LIMITED — Capital/Financing Update 2022

Jul 6, 2022

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7 July 2022

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 and infrastructure sectors valued at approximately $220 million in total.

Authorised by

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Philip Trueman Company Secretary

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ASX RELEASE

7 July 2022

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 and infrastructure sectors totalling approximately $220 million.

The Company has secured a number of contracts for work in the Pilbara region of Western Australia, including:

• A five-year contract to provide maintenance, repairs, general shutdown services and minor projects across Fortescue Metals Group’s Pilbara operations;

• A multi-disciplinary contract with Rio Tinto for the construction of a new conveyor at the Tom Price iron ore mine, which is expected to be completed in the first half of 2023; and

• A contract associated with the construction of a pipeline and access road at the Roy Hill Mine site. The work is expected to be completed towards the end of 2022.

Also in Western Australia, Monadelphous has been appointed to a panel to provide coating and concrete repair services at various Water Corporation sites and locations for a term of five years.

Finally, in Queensland, Monadelphous has secured a 12-month extension to its existing contract with BHP Mitsubishi Alliance for the provision of dragline shutdown and maintenance services to its operations in the Bowen Basin.

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

With 50 years’ experience, 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 China, Mongolia, Papua New Guinea, Chile and the Philippines. Please visit www.monadelphous.com.au for further information.