SEA - 26th February 2010 b

Block Listing of Shares

Application has been made to the UK Listing Authority and the London Stock

Exchange for a block listing of 2,000,000 ordinary shares of 50p each in Carillion plc. These shares will be admitted to trading on the London Stock Exchange and to the Official List upon allotment pursuant to the Company's obligations under the Long Term Incentive Plan, Executive Share Option Scheme and Deferred Bonus Plan. Participants in the Long Term Incentive Plan, Executive Share Option Scheme and Deferred Bonus Plan will become entitled to these shares following the vesting of awards. When issued, these shares will rank equally with the existing issued ordinary shares of the Company.

Tim George

Deputy Company Secretary

Carillion plc

Notes to editors

Carillion is one of the UK’s leading support services, Public Private Partnership project and construction companies. The Group has annual revenue of around £5 billion, employs some 50,000 people and operates across the UK, in the Middle East, Canada and the Caribbean.

In the UK, Carillion’s principal market sectors are Defence, Education, Health, Facilities Management & Services, Rail, Roads, Building, Civil Engineering and Utilities Services.

In the Middle East, Carillion’s principal market sectors are Construction and Facilities Management. In Canada and the Caribbean, the Group’s main sectors are Health, Roads Maintenance and Construction.

Carillion has a substantial portfolio of equity investments in Public Private Partnership projects, particularly in the Defence, Education, Health and Transport sectors.

In the inaugural Sunday Times Best Green Companies Awards in May 2008, Carillion secured first place in the category for large and medium-sized companies with high environmental impact and second place overall.

This and other Carillion news releases can be found at www.carillionplc.com

For further information contact

Carillion plc

John Denning, Director Group Corporate Affairs 01902 316426

Finsbury

James Murgatroyd +44 (0) 20 7251 3801

Gordon Simpson