MONADELPHOUS GROUP LIMITED — Capital/Financing Update 2013

Dec 18, 2013

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19 December 2013

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

Dear Sir / Madam

RE: MONADELPHOUS SECURES $100M IN OIL AND GAS CONTRACT EXTENSIONS

Please find attached a copy of the announcement to be issued today by Monadelphous Group Limited regarding two oil and gas contract extensions valued at approximately $100 million.

Yours sincerely,

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Philip Trueman Company Secretary

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ASX RELEASE

19 December 2013

MONADELPHOUS SECURES $100M IN OIL AND GAS CONTRACT EXTENSIONS

Leading engineering group Monadelphous Group Limited (ASX:MND) (“Monadelphous” or “the Company”) today announced it has secured a contract renewal, and a contract extension, for the provision of oil and gas services in Papua New Guinea and the Northern Territory, valued at approximately $100 million.

In Papua New Guinea, Monadelphous’s contract with Oil Search Limited for field construction services at its oil and gas production and support facilities in the Southern Highlands Province has been renewed for a further three years.

In the Northern Territory, the contract to provide onshore maintenance and shutdown services at the ConocoPhillips-operated Darwin LNG facility has been extended for two years.

“These contract extensions reflect the emphasis we place on maintaining our relationships with our customers and our experience in working on key oil and gas projects in Australia and overseas,” Monadelphous Managing Director Rob Velletri said.

Further Information:

Analysts / Investors and Media

Rachel Cooper Investor Relations Manager +61 8 9315 7429 +61 457 539 985 rcooper@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. Monadelphous’s two operating divisions comprise Engineering Construction, providing large-scale multidisciplinary project management and construction services, and Maintenance and Industrial Services, that specialise in the planning, management and execution of mechanical and electrical maintenance services, shutdowns, fixed plant maintenance services and sustaining capital works.

Headquartered in Perth, Western Australia, with a major office in Brisbane, Queensland the company has projects, facilities and workshops across Australia, China and Papua New Guinea. Please visit www.monadelphous.com.au for more information.