Service Stream Limited

Level 1, 355 Spencer Street

West Melbourne, VIC 3003

PO Box 14570, Melbourne, VIC 8001 www.servicestream.com.au

Tel: 61 3 9677 8888

Fax: 61 3 9677 8800

ABN: 46-072-369-870

ASX & Media Release 6 September 2011Service Stream awarded NBN Construction Contract in Western Australia

Service Stream today announced that its Syntheo Joint Venture has secured a contract with NBN Co for the rollout of the passive fibre network in Western Australia. The contract is for an initial two year term worth up to $174 million, with an option of a further two years bringing the total potential value to $484 million.

Syntheo is a 50/50 joint venture between Service Stream Limited and the project management and construction arm of Lend Lease.

The contract involves the design and construction of the fibre access network across WA. The contract win is the first for the Syntheo Joint Venture, which will continue to bid for

additional NBN design and construction work as it becomes available.

Graeme Sumner, Managing Director of Service Stream, said that the win was a tribute to the combined strengths that Service Stream and Lend Lease brought to the joint venture. Mr Sumner considered that Syntheo was well placed to assist NBN Co with the delivery of this most vital infrastructure project to the people of Western Australia.

Work on the project is expected to commence immediately upon final approval by the Board of

NBN Co.

For further details contact:Service Stream Limited Graeme Sumner Managing Director

Tel: (61 3) 96778848

About Service Stream Limited:

Service Stream is a public company listed on the Australian Securities Exchange (ASX Code: SSM) with 2010/11 revenues of A$633 million. The Company is an industrial services enterprise with proven outsourced infrastructure deployment, management and service capabilities operating out of more than 50 locations throughout Australia. Service Stream’s technical workforce of over 4,000 employees and contractors supports large asset owners on the deployment, management and servicing of essential network infrastructure in the telecommunication, electricity, water and gas sectors. For more information please visit the Company’s website at www.servicestream.com.au .