WORLEY LIMITED — Capital/Financing Update 2008

Mar 31, 2008

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1 April 2008

ASX Release WORLEYPARSONS LIMITED (ASX: WOR)

WorleyParsons announces US $108.5 m acquisition of leading deepwater Hydrocarbons specialist INTEC

WorleyParsons announces the acquisition of INTEC Engineering (“INTEC”), a leading international offshore deepwater Hydrocarbons engineering and project services company, from Heerema Group.

The acquisition price of US$108.5 million represents a multiple of 9.5 times pro forma EDITDA (earnings before interest tax depreciation and amortization) of INTEC for the 12 months ended 31 December 2007. The acquisition is scheduled to complete on 16[th] April 2008 and is expected to be accretive to earnings. The acquisition will be debt funded.

INTEC Engineering provides engineering and project services to the offshore exploration & production and transportation sectors of the oil and gas industry with a particular focus on deepwater. Areas of technical expertise include offshore pipelines, marine production risers and terminals, flow assurance and operability, subsea production systems, and floating production systems for offshore field development. The company also has an established reputation for support of Arctic and cold water developments.

Global capital expenditure in offshore oil and gas is expected to grow to approximately US$250 billion per year by 2010. It is expected that this sector will continue to grow as the major operators push into deeper waters in search of hydrocarbons. The technical challenges that these developments present will create good opportunities for engineering companies with the right technical capability. INTEC brings a history of technical innovation and has established many industry benchmarks including the deepest subsea production, the deepest marine pipelines and risers, the longest producing subsea tieback, the first Arctic offshore oil pipeline, and design of the largest FPSO (Floating Production Storage & Offloading) vessel.

INTEC’s clients include many of the world’s largest energy companies a number of whom are also clients of WorleyParsons, including: BHP Billiton; BP; ChevronTexaco; Conoco Phillips; Exxon Mobil; and Shell.

Headquartered in Houston, INTEC has over 500 professional staff with offices in London, Delft, Rio de Janeiro, Kuala Lumpur, Perth, and Lagos.

WorleyParsons and INTEC have worked together under a strategic alliance on several projects in recent years and have an agreement to offer offshore oil and gas customers in the Asia-Pacific region a comprehensive solution for large scale integrated deepwater facilities, subsea and marine systems projects. As part of the transaction Heerema Group and WorleyParsons have agreed contracting principles for the provision of engineering services to the Heerema Group.

WorleyParsons Chief Executive Officer, Mr John Grill said: “The world’s remaining oil reserves are increasingly being found in difficult to access areas, forcing our clients to look further afield in their search for new reserves. The acquisition of INTEC completes the missing link in our

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hydrocarbons business which we have been seeking to fill for several years and strategically positions WorleyParsons to service our clients operating in deepwater locations. As such we would expect the realization of revenue synergies and additional opportunities to follow in due course.

“INTEC’s capabilities uniquely complement the existing capabilities of the Sea Engineering business, a specialist in deepwater hulls, mooring and risers, acquired in January 2007. WorleyParsons now has the capability to provide services across the entire spectrum from subsea to transmission line.

“INTEC has an established track record spanning more than 20 years having designed pipelines and subsea production systems in water depths once thought impossible to reach. The company currently develops projects at depths of up to 2,400 meters in locations as diverse as the Black Sea, the Arctic Ocean, the Gulf of Mexico, offshore West Africa, and the South China Sea,” he said.

Also commenting, the President of INTEC, Mr. Edward Smith, said: “Joining WorleyParsons enables INTEC to accelerate its growth strategy and leverage our combined extensive experience in deepwater and Arctic expertise. The additional resources our business will gain through being part of WorleyParsons will provide the platform for a truly diversified engineering and project services offering for our clients and staff.”

About Heerema

Heerema Group is a group of companies operating worldwide specializing in design, project management, construction, fabrication, transportation, installation, and removal of offshore facilities for the oil and gas industry. Since its founding in 1948, Heerema has been family-owned and operated.

About WorleyParsons

WorleyParsons is a leading provider of professional services to the energy, resource and complex process industries. WorleyParsons’ business has been built by working closely with customers through long-term relationships, anticipating their needs and delivering inventive solutions through streamlined, proprietary project delivery systems. With over 27,000 employees in 104 offices in 35 countries, its service capability covers the entire project lifecycle: from identifying the opportunity to the operating phase.

WorleyParsons Share Trading Window

As trading during the recent trading window was blocked for personnel involved in this acquisition, it has been determined that an additional trading window will apply for one week commencing Wednesday 2 April 2008.

For further information, 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