Blocklisting Interim Review

Carillion PLC
13 September 2006


BLOCKLISTING SIX MONTHLY RETURN

1. Name of company

Carillion plc

2. Name of scheme

(a) Sharesave Scheme and (b)Executive Share Option Scheme

3. Period of return:

16 March 2006 to 13 September 2006

4. Balance under scheme from previous return:

Sharesave Scheme - 198,517 ordinary shares of 50p each

Executive Share Option Scheme - 210,564 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:

Nil

6. Number of shares issued/allotted under scheme during period:

Sharesave Scheme - 138,500

Executive Share Option Scheme - nil

7. Balance under scheme not yet issued/allotted at end of period:

Sharesave Scheme - 60,017

Executive Share Option Scheme - 210,564

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

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

281,242,738


Tim George

Deputy Company Secretary

Carillion plc

Tel: [phone]

13 September 2006



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