MACMAHON HOLDINGS LIMITED — Proxy Solicitation & Information Statement 2017

Jul 4, 2017

THE AMNT DEAL IS A GAME CHANGER

US$2.9 billion in expected Increase in expected EBIT to Your Board asks you to revenue over the contract term A$40–$50 million in FY2018 VOTE FOR the AMNT deal

Macmahon has now sent out the voting materials for the AMNT deal Your Directors unanimously recommend that you VOTE FOR THE RESOLUTION (in the absence of a Superior Proposal and subject to the Independent Expert maintaining its conclusion that the AMNT Transaction is reasonable).

PLEASE VOTE – YOUR VOTE IS IMPORTANT! For further information, or if you have not received your voting materials, please visit www.macmahon.com.au or call: 1300 449 257 (toll-free) +61 2 8022 7948 (outside Australia) PLEASE REFER TO MACMAHON’S NOTICE OF MEETING AND EXPLANATORY MEMORANDUM DATED 9 JUNE 2017 (WHICH INCLUDES THE INDEPENDENT EXPERT’S REPORT), FOR FULL DETAILS. THAT DOCUMENT IS IMPORTANT AND SHOULD BE READ IN FULL.

POSTAGE PAID AUSTRALIA PRIORITY