ORICA LIMITED — Capital/Financing Update 2012

Jul 24, 2012

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25 July 2012 ASX Media Release

Ausenco secures four year project services contract with Orica

Ausenco Limited (ASX: AAX) today announced that it had secured a four year services contract with Orica Limited (ASX: ORI) to provide ongoing project support services at the company’s Kooragang Island chemical plant in NSW.

Ausenco’s Program Management business will work with Orica as an integrated team to execute a portfolio of work, including the management of major capital expansion works to increase the plant’s annual ammonium nitrate production capacity. The team will also be responsible for managing additional capital works aimed at optimising the operation of the existing assets.

Ausenco CEO Zimi Meka said the contract win further diversified the company’s sector experience and

enhanced its recurring revenue stream.

“This contract represents a strategic opportunity for Ausenco to continue to expand our services to the chemicals market and we look forward to working closely with the Orica team to enhance the operations at its Kooragang Island plant and building a long term global relationship with Orica,” he said.

-ENDS-

Further information contact:

Zimi Meka Craig Allen Chief Executive Officer Chief Financial Officer Ausenco Limited Ausenco Limited T: (07) 3169 7000 T: (07) 3169 7000

About Ausenco

Ausenco is a global, diversified engineering and project management company providing services in Minerals & Metals, Process Infrastructure, Program Management, Environment & Sustainability and Energy. We deliver new and better ways to add value to our clients’ projects no matter how demanding and we deliver results in some of the world’s most challenging environments. Listed on the ASX in 2006, our growth strategy is focused on sector, solution and geographic expansion. We operate from 29 offices in 19 countries.