Blocklisting Interim Review

Carillion PLC
16 March 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:

15 September 2005 to 16 March 2006

4. Balance under scheme from previous return:

Sharesave Scheme - 588,851 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 - 390,334
Executive Share Option Scheme - nil

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

Sharesave Scheme - 198,517
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:

280,718,184

Tim George
Deputy Company Secretary
Carillion plc
Tel: [phone]

16 March 2006



                      This information is provided by RNS
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