BHP Group Limited — Capital/Financing Update 2009

Sep 15, 2009

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Monadelphous Group Limited

A.B.N. 28 008 988 547 PO Box 365 Applecross WA 6953 1 Sleat Road Applecross WA 6153 Telephone: (08) 9316 1255 Facsimile: (08) 9316 1950

16 September 2009

Company Announcements Australian Stock Exchange Limited Level 4, 20 Bridge Street Sydney NSW 2000 Australia

Dear Sir/Madam

Re: Monadelphous awarded $70 million contract

Please find attached a copy of the media release to be issued today by Monadelphous Group Limited.

Yours sincerely

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PHILIP TRUEMAN Company Secretary

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ASX MEDIA RELEASE

16 September 2009

MONADELPHOUS AWARDED

$70 MILLION CONTRACT

Perth: Leading Australian engineering company Monadelphous Group Limited (ASX: MND) (“Monadelphous” or “the company”) today announced it has secured a significant contract with BHP Billiton Iron Ore for major works associated with the Rapid Growth Project 5 in the north west of Western Australia. This package of work at Yandi is valued at approximately $70 million.

The contract includes structural, mechanical and piping works for the supply, pre-assembly and installation of the stockyard and train load out facilities and modifications to the existing Ore Handling Plant 2 (OHP2). Project works will commence immediately with substantial completion scheduled for the third quarter of calendar 2010.

Monadelphous Group Managing Director Rob Velletri said, “this project award reflects our ongoing commitment to and relationship with BHP Billiton Iron Ore. We are very pleased to be given the opportunity to continue our valued and long association with BHP Billiton Iron Ore.”

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FURTHER INFORMATION:

Analysts/Investors: David Loch Media: David Tasker Investor Relations Manager Group Director Monadelphous Group Limited PPR +61 8 9315 7429 +61 8 9388 0944 +61 411 144 787 +61 433 112 936 dloch@monadel.com.au david.tasker@ppr.com.au

ABOUT MONADELPHOUS

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. Monadelphous’ capabilities encompasses civil, mechanical, structural and electrical disciplines. Although the mining sector has been the major focus of Monadelphous’ work, the Company is becoming increasingly diversified with growing involvement in the energy and infrastructure sectors. For more information or to join our free email alerts service visit: www.monadelphous.com.au

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