MONADELPHOUS GROUP LIMITED — Capital/Financing Update 2011

Dec 15, 2011

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16 December 2011

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

Dear Sir / Madam

RE: MONADELPHOUS AWARDED $70 MILLION WHEATSTONE CONTRACT

Please find attached a copy of the announcement issued today by Monadelphous Group Limited regarding the award of a construction general services contract valued at approximately $70 million for the Chevron-operated Wheatstone Project in Western Australia (WA).

Yours sincerely

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Philip Trueman Company Secretary

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ASX RELEASE

16 December 2011

MONADELPHOUS AWARDED $70 MILLION WHEATSTONE CONTRACT

Leading engineering group Monadelphous Group Limited (ASX:MND) (“Monadelphous” or “the company”) today announced it has entered into an agreement with Bechtel (Western Australia) Pty Ltd for provision of construction, operation support and other services associated with the early phases of the Wheatstone Project near Onslow in Western Australia.

The construction general services contract awarded to Monadelphous is valued at approximately $70 million. Work will commence in the first quarter of calendar year 2012 and is expected to generate significant opportunities for local employment. The contract is scheduled to be completed at the end of calendar year 2013.

“We are pleased that we have been selected to participate in the initial stages of another major Australian energy development project,” Monadelphous Managing Director Rob Velletri said.

The Chevron-operated Wheatstone Project is one of Australia’s largest resource projects. Located at Ashburton North, 12 kilometres west of Onslow in Western Australia, the Wheatstone Project is a joint venture between the Australian subsidiaries of Chevron (73.6%), Apache (13%), Kuwait Foreign Petroleum Exploration Company (7%) and Shell (6.4%). The initial phase of the project will consist of two liquefied natural gas trains with a combined capacity of 8.9 million tonnes per annum and a domestic gas plant.

Further Information

Analysts/Investors Media Rachael Cutler Brett Lane Investor Relations Manager Group Communications Manager +61 8 9315 7429 +61 8 9315 7385 +61 457 539 985 +61 411 177 809 rcutler@monadel.com.au blane@monadel.com.au

Monadelphous Group Limited is a leading Australian engineering group providing services to the resources, energy and infrastructure industry sectors. The company has a solid track record in the safe and effective delivery of complex and large-scale engineering construction projects and maintenance and industrial services for industry throughout Australia. For more information or to join our free email alerts service visit: www.monadelphous.com.au