Laing O'Rourke Annual Review 2009 Introduction Laing O'Rourke is an engineering- led construction solutions provider. We are renowned for delivering world- class built asset and infrastructure lifecycle services, working with prestigious clients in a truly collaborative way. Our expertise spans five core sectors comprising Lifestyle, Business, Social Infrastructure, Transport and Mining, and Energy, Utilities and Waste. Our growing international presence across these sectors will ensure we remain a resilient and successful enterprise over the long term. Across our integrated offering we are creating sustainable competitive advantage as one of the true construction differentiators. 01

Operating and financial highlights - Resilient operational performance during a period of unprecedented turbulence. - Profit- generating revenue growth across all major businesses. - Good progress against strategic priorities, with particularly strong operational performances in European and Australasian hubs. - Increased manufacturing capability through management of Bison and near completion of Explore Industrial Park. Managed revenue( 1) £ m + 18% 2,123.5 2005 5,002.9 2009 2,624.5 2006 3,488.5 2007 4,235.9 2008 1,933.9 4,087.1 2,271.7 3,037.3 3,603.1 EBITDA( 2) £ m + 25% 58.8 2005 178.6 2009 79.3 2006 111.1 2007 142.6 2008 Total net assets £ m + 15% 118.9 2005 532.8 2009 133.6 2006 53.8 2007 464.0 2008 Data for 2007, 2008 and 2009 are extracted from the audited consolidated financial statements of Laing O'Rourke Corporation Limited prepared under IFRS. Data for 2005 and 2006 are extracted from the Laing O'Rourke plc audited consolidated financial statements prepared under UK GAAP. ( 1) Managed revenue includes share of joint ventures' revenue, inter- segment revenue and revenue from managed operations. Managed revenue Revenue, including share of joint ventures Pre- exceptional items Post- exceptional items 161.5 100.2