WORLEY LIMITED — Capital/Financing Update 2007

Oct 24, 2007

25 October 2007

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ASX Release

WORLEYPARSONS LIMITED

(ASX: WOR)

WorleyParsons Awarded EPCM Services Contract for US Refinery Projects

WorleyParsons has been awarded a contract by Chevron to provide engineering and procurement for a reformer project. The project involves the installation of a reformer unit and associated utilities to replace older existing facilities. The project represents an investment of approximately US $500 million.

Chevron has authorised WorleyParsons to expend up to US $50 million for work that includes front-end engineering design (FEED), detailed design, and equipment procurement services. The project is planned to start up in mid 2010. The project will be based at WorleyParsons’ Houston office. The company is using its high-value engineering centre in Beijing for certain engineering services starting with the FEED through to the detailed engineering.

WorleyParsons is a leading provider of professional services to the energy, resource, and complex process industries. The company’s services cover the full asset spectrum both in size and lifecycle from the creation of new assets to services that sustain and enhance the value of operating assets. WorleyParsons’ global strategy, supported by 23,800 personnel in 84 offices across 32 countries, is one of developing fully functional operations at a local level wherever our customers need us. It provides our company with insight into their requirements and the local knowledge to deliver tailored, high-quality solutions. Major hub operations in the Americas, Asia, Europe, and Australasia are used for added technical expertise and for larger project delivery capability.

Further information can be accessed at www.worleyparsons.com or please contact:

David Housego Chief Financial Officer Ph: +61 2 8923 6866

Geoff Fowlstone Fowlstone Communications Ph: +61 2 9955 9899 Mob: +61(0) 413 746 949 geoff@fowlstone.com.au