MONADELPHOUS GROUP LIMITED — Capital/Financing Update 2013

Oct 7, 2013

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08 October 2013

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 the announcement to be issued today by Monadelphous Group Limited regarding the award of new maintenance services and infrastructure construction contracts with a combined value of approximately $250 million. The contracts are for work in the oil and gas sector in Western Australia and water sector in Queensland.

Yours sincerely,

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Philip Trueman Company Secretary

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ASX RELEASE

08 October 2013

Monadelphous Contracts Update

Leading engineering group Monadelphous Group Limited (ASX: MND) (“Monadelphous”) today announced it has secured maintenance and infrastructure construction contracts with a combined value of approximately $250 million. The contracts are with customers in the oil and gas sector in Western Australia (WA) and the water sector in Queensland.

The maintenance contract extension:

• A one-year extension has been awarded for the facilities management services contract associated with the Chevron-operated Gorgon Project. The contract extension, valued at approximately $150 million, is to continue the operation and maintenance of construction facilities and utilities on Barrow Island, WA. This is the second one-year extension to the original three-year contract, which was awarded in November 2009. More than 200 people will continue to be employed under the contract.

The new infrastructure construction work comprises:

• A contract with DBP Development Group (“DDG”) for the construction of the Wheatstone Ashburton West Pipeline near Onslow, WA, to link the Chevron Australia-operated Wheatstone Project domestic gas plant with the Dampier to Bunbury Natural Gas Pipeline (DBNGP). The contract will be delivered by Monadelphous KT Pty Ltd, with work commencing immediately and expected to be completed in the fourth quarter of 2014.

• A contract for the design and construction of the East Nogoa Water Treatment Plant for the Central Highlands Regional Council in Emerald, Central Queensland. Work is scheduled to be completed in the second quarter of 2015.

“We’re pleased to extend our relationship with Chevron Australia on Barrow Island, where we’ve been involved since 2001,” Monadelphous Managing Director Rob Velletri said.

“The new infrastructure construction contracts in oil and gas and water support the continuing strategic development of our business.

“We look forward to working closely with DDG on the construction of this important gas pipeline in WA and delivering the water treatment facility at Emerald for our new customer, the Central Highlands Regional Council.”

Further Information

Analysts/Investors Rachel Cooper Investor Relations Manager +61 8 9315 7429 +61 457 539 985 rcooper@monadel.com.au	Media Brett Lane Corporate Communications Manager +61 8 9315 7385 +61 411 177 809 blane@monadel.com.au

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 a solid track record in the safe and effective delivery of complex and large-scale engineering construction projects and maintenance and industrial services throughout Australasia. Monadelphous has two operating divisions comprising 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. For more information visit: www.monadelphous.com.au