Duyuru • Feb 26
Macmahon Holdings Limited Announces Appointment of Tom Quinn as Independent Non-Executive Director, Effective March 16, 2026 Macmahon Holdings Limited announced the appointment of Mr. Tom Quinn as an Independent Non-Executive Director to the Macmahon Board, effective from March 16, 2026. Mr. Quinn is an experienced executive across multiple sectors, including mining, engineering and construction, manufacturing, oil and gas, food, and chemical industries. Mr. Quinn’s experience includes leading multi-billion-dollar businesses in Australia, Asia and North America undertaking mergers and acquisitions, operational risk mitigation, and multi-billion-dollar project and services portfolios. From 2010 to 2013 Mr. Quinn was named as one of the top 100 engineers in Australia by Engineers Australia. Mr. Quinn holds a Bachelor of Science in Mechanical Engineering (Hons) and a Master of Business Administration, both from Monash University. He is currently the Non-Executive Chair of Pitt & Sherry, Deputy Chair of St Vincent de Paul Society, Victoria, and Chair of VincentCare Community Housing. Duyuru • Feb 12
Macmahon Holdings Limited to Report First Half, 2026 Results on Feb 17, 2026 Macmahon Holdings Limited announced that they will report first half, 2026 results on Feb 17, 2026 Duyuru • Aug 26
Macmahon Holdings Limited, Annual General Meeting, Oct 24, 2025 Macmahon Holdings Limited, Annual General Meeting, Oct 24, 2025. Duyuru • Aug 13
Macmahon Holdings Limited to Report Fiscal Year 2025 Results on Aug 19, 2025 Macmahon Holdings Limited announced that they will report fiscal year 2025 results on Aug 19, 2025 Duyuru • Sep 19
Macmahon Holdings Limited Announces Retirement of Denise Mccomish from Board Macmahon Holdings Limited advises that Ms. Denise McComish has notified the Company of her intention to retire from the Board. The change will be effective following the completion of the upcoming Macmahon 2024 Annual
General Meeting (AGM) on 29 October 2024. Ms. McComish has advised she will not seek re-election as a Director at the Company's upcoming AGM due to rebalancing her board portfolio. Outside of Macmahon, Ms. McComish serves as a Non-Executive Director of a number of ASX listed companies. Ms. McComish commenced as a Non-Executive Director of Macmahon on 1 March 2021, and in this time has served as Chair of the Audit and Risk Committee, Member of the Nomination Committee and Member of the Remuneration and Culture Committee. Duyuru • Sep 09
Macmahon Holdings Limited, Annual General Meeting, Oct 29, 2024 Macmahon Holdings Limited, Annual General Meeting, Oct 29, 2024. Duyuru • Aug 22
Macmahon Holdings Limited Declares Final Dividend for the Year Ended 30 June 2024, Payable on 11 October 2024 Macmahon Holdings Limited declared Final dividend of AUD 0.00600000 cents for the year ended 30 June 2024. Record date is 20 September 2024. Payment date is 11 October 2024. Ex Date is 19 September 2024. Duyuru • Aug 17
Macmahon Holdings Limited (ASX:MAH) completed the acquisition of Decmil Group Limited (ASX:DCG) fromThorney Investment Group Australia Pty. Ltd., Horley Pty Ltd and others. Macmahon Holdings Limited (ASX:MAH) agreed to acquire Decmil Group Limited (ASX:DCG) fromThorney Investment Group Australia Pty. Ltd., Horley Pty Ltd and others for AUD 100 million on April 16, 2024. Under the scheme, Decmil ordinary shareholders are to receive AUD 0.30 cash per share, and Decmil RCPS holders are to receive AUD 0.343 cash per share. As of July 26, 2024, second Court Hearing to approve the Schemes is 10:00am (AWST) on Monday, August 5, 2024, and the Scheme Meetings will be held on July 31, 2024. Macmahon shareholders do not need to take any action. As of July 31, 2024, shareholders of Decmil Group Limited have approved the transaction. As of July 26, 2024, the Effective Date of the Scheme is August 6, 2024.
Azure Capital and Highbury Partnership acted as joint financial advisers and HWL Ebsworth as legal adviser to Macmahon. Decmil is being advised by Steinepreis Paganin and MA Moelis Australia. Nicole Lewis of Computershare Investor Services Pty Limited acted as registrar and Nexia Melbourne Pty Ltd., Investment Banking Arm acted as fairness opinion provider to Decmil Group Limited (ASX:DCG).
Macmahon Holdings Limited (ASX:MAH) completed the acquisition of Decmil Group Limited (ASX:DCG) fromThorney Investment Group Australia Pty. Ltd., Horley Pty Ltd and others on August 15, 2024. Duyuru • Aug 14
Macmahon Holdings Limited to Report Fiscal Year 2024 Results on Aug 20, 2024 Macmahon Holdings Limited announced that they will report fiscal year 2024 results on Aug 20, 2024 Duyuru • Apr 18
Macmahon Holdings Limited (ASX:MAH) agreed to acquire Decmil Group Limited (ASX:DCG) fromThorney Investment Group Australia Pty. Ltd., Horley Pty Ltd and others for AUD 100 million Macmahon Holdings Limited (ASX:MAH) agreed to acquire Decmil Group Limited (ASX:DCG) fromThorney Investment Group Australia Pty. Ltd., Horley Pty Ltd and others for AUD 100 million on April 16, 2024. Under the scheme, Decmil ordinary shareholders are to receive AUD 0.30 cash per share, and Decmil RCPS holders are to receive AUD 0.343 cash per share. Azure Capital and Highbury Partnership acted as joint financial advisers and HWL Ebsworth as legal adviser to Macmahon. Decmil is being advised by Steinepreis Paganin and MA Moelis Australia. Duyuru • Feb 16
Macmahon Holdings Limited to Report First Half, 2024 Results on Feb 20, 2024 Macmahon Holdings Limited announced that they will report first half, 2024 results on Feb 20, 2024 Duyuru • Jan 23
Macmahon Holdings Limited Announces Executive Changes, Effective 31 January 2024 Macmahon Holdings Limited announced that Ms Maha Chaar has been appointed as Company Secretary, effective 31 January 2024. Ms Chaar is currently Macmahon's General Counsel and has extensive national and international experience across legal, commercial, governance and risk across various sectors and industries. Ms Chaar holds a Master of Laws, Bachelor of Laws (Honours) and Bachelor of Science. Ms Chaar succeeds Mr. Ben Secrett, as Company Secretary, who resigns effective 31 January 2024, to take up another role. The Board thanks Mr. Secrett for his contribution to the Company and wishes him the best in his future endeavours. Duyuru • Oct 24
Macmahon Holdings Limited Announces Board Changes Macmahon Holdings Limited confirmed that Mr. Hamish Tyrwhitt is now the Chair of the Company's Board of Directors following the retirement of Ms Skira as a Director and Chair at the conclusion of the Company's 2023 Annual General Meeting held on Friday, 20 October 2023. Duyuru • Oct 21
Macmahon Holdings Limited Reaffirms Earnings Guidance for the Fiscal Year 2024 Macmahon Holdings Limited reaffirmed earnings guidance for the fiscal year 2024. The company's current expectations for fiscal year 2024 remain unchanged, being revenue guidance in the range of $1.7 billion to $1.8 billion. In the second half, the company saw improvement across the business, which was reflected in fourth quarter underlying EBITA margins reaching 8% long-term target. This performance saw to meet revenue and earnings guidance for the sixth consecutive year and generate free cash flow. Duyuru • Aug 15
Macmahon Holdings Limited to Report Fiscal Year 2023 Results on Aug 22, 2023 Macmahon Holdings Limited announced that they will report fiscal year 2023 results on Aug 22, 2023 Duyuru • Jul 13
Macmahon Holdings Limited Announces Changes to Its Board of Directors Macmahon Holdings Limited announced changes to its Board of Directors (Board). After six years of valuable service, Non-Executive Directors Mr. Alex Ramlie and Mr. Arief Sidarto will step down from the Board effective 13 July 2023 to concentrate on commitments related to the initial public offering and listing of PT Amman Mineral Internasional on the Indonesia Stock Exchange. Mr. Ramlie and Mr. Sidarto are Executives of AMI, the parent company of PT Amman Mineral Nusa Tenggara, Macmahon's largest shareholder, and were appointed as nominee Directors to the Board on 12 July 2017 following shareholder approval of the transaction which saw AMNT acquire its strategic share in Macmahon. Details of the Transaction can be found in the Company's announcement `Notice of Extraordinary General Meeting/Proxy Form' released 13 June 2017. With the departures of Mr. Ramlie and Mr. Sidarto, AMNT proposed Mr. David Gibbs as its nominee Director pursuant to its rights to nominate up to two persons to be appointed as Directors of the Company under the Alliance Agreement between the Company, AMNT and AMNT's controllers (see the Company's announcement `Binding Documentation Signed for AMNT Transaction' released 8 May 2017). The Board considers Mr. Gibbs to be a suitable nominee and has resolved to appoint Mr. Gibbs effective 13 July 2023. Mr. Gibbs is a Director at AMNT and has 40 years of international experience in large-scale mining operations with copper and gold, diamonds, uranium, coal (thermal and coke), talc andnickel laterite resources. His experience includes both underground and open pit mining, across South Africa, Namibia, Papua New Guinea, Australia, Thailand, and Indonesia. He holds a Bachelor of Science (Hons) degree in Mining Engineering, a Mine Manager Certificate First Class for Western Australia, and a Mine Manager Certificate from South Africa. Mr. Gibbs is also a Fellow of The Royal School of Mines (ARSM) and a Chartered Engineer (C Eng). The Board will now consist of six Directors, reduced from seven, with AMNT choosing to appoint only one nominee Director at this time, while reserving all rights to appoint an additional nominee director at a later date. Duyuru • Jun 29
Macmahon Holdings Limited Revises Financial Guidance for the Fiscal Year 2023 Macmahon Holdings Limited revised financial guidance for the fiscal year 2023. On 21 February 2023, the company announced its revised fiscal year 2023 guidance, expecting revenue of between $1.85 billion and $1.95 billion. The company now expects fiscal year 2023 revenue of approximately $1.9 billion. Duyuru • Feb 16
Macmahon Holdings Limited to Report First Half, 2023 Results on Feb 21, 2023 Macmahon Holdings Limited announced that they will report first half, 2023 results on Feb 21, 2023 
