Blocklisting Interim Review

BLOCKLISTING SIX MONTHLY RETURN 1. Name of company Carillion plc 2. Name of schemes (a) Sharesave Scheme b)Executive Share Option Scheme c) Long Term Incentive Plan and (d) Deferred Bonus Plan 3. Period of return:

1 October 2009 to 31 March 2010 4. Balance under scheme from previous return:

1,835,098 ordinary shares of 50p each

5. The amount by which the block scheme has been increased, if the scheme has been increased since the date of the last return:

2,000,000

6. Number of shares issued/allotted under schemes during period: 2,310,106 7. Balance under scheme not yet issued/allotted at end of period:

1,524,992 8. Number and class of shares originally listed and the date of admission:

12 January 2000 - 2,000,000 ordinary shares of 50p each

12 January 2000 - 500,000 ordinary shares of 50p each

19 December 2002 - 1,801,801 ordinary shares of 50p each

2 April 2008 - 2,000,000 ordinary shares of 50p each

18 September 2009 - 2,000,000 ordinary shares of 50p each

1 March 2010 - 2,000,000 ordinary shares of 50p each

9. Total number of shares in issue at the end of the period:

399,641,437

Tim George

Deputy Company Secretary

Carillion plc

Tel: 01902 422431 6 April 2010