MONADELPHOUS GROUP LIMITED — AGM Information 2022

Oct 16, 2022

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17 October 2022

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

Dear Sir / Madam

RE: LETTER TO SHAREHOLDERS REGARDING THE COMPANY’S ANNUAL GENERAL MEETING

Please find attached a copy of a letter sent to shareholders today regarding the Company’s Annual General Meeting.

Authorised by

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Philip Trueman Company Secretary

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17 October 2022

Dear Shareholders

Monadelphous Group Limited – Notice of Annual General Meeting

Monadelphous Group Limited (ASX: MND) (“Monadelphous” or “the Company”) advises that the Company’s 2022 Annual General Meeting (“AGM”) will be held on Tuesday 22 November 2022 at 10:00am (AWST) at The University Club, University of Western Australia (“UWA”), Crawley, in the theatre auditorium, and online.

The Company will not be sending physical copies of the Notice of AGM to Shareholders unless a Shareholder has made an election to receive documents from the Company in physical form. Instead, the Notice of AGM can be viewed and downloaded from the Company’s website at www.monadelphous.com.au/investors/shareholder-meetings/.

Your participation in the AGM is important to us. Accordingly, the Company has adopted measures to allow Shareholders to either attend the AGM in person or to participate in the meeting online. Instructions on how to access the meeting online can be found in the Notice of AGM.

Shareholders can lodge a proxy vote online at www.investorvote.com.au or return completed proxy forms by:

• Post : to Computershare Investor Services Pty Limited, GPO Box 242, Melbourne, Vic 3001; or

• • Fax : 1800 783 447 within Australia or +61 3 9473 2555 outside Australia.

Your proxy voting instruction must be received by 10:00 am (AWST) on Sunday, 20 November 2022 to be valid for the AGM. A copy of your personalised proxy form (with instructions on how to lodge your proxy) is enclosed with this letter for your convenience.

Further information is contained in the Notice of AGM. If you have any difficulties obtaining a copy of the Notice of AGM please contact Computershare on 1300 364 961 (within Australia) or +61 3 9946 4415 (Overseas).

In the event that it is necessary or appropriate for the Company to make alternative arrangements for the AGM, the Company will update shareholders by way of an ASX announcement and updated details will also be made available on the Company’s website at www.monadelphous.com.au.

Yours sincerely

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Philip Trueman Company Secretary