Holding(s) in Company

Carillion PLC
08 May 2008


Schroder Plc
31 Gresham Street, London EC2V 7QA
Telephone [phone] Fax [phone]
www.schroders.com

+-----------------------------------------------------------------------------+
|TR-1: Notifications of Major Interests in Shares                             |
+-----------------------------------------------------------------------------+

+-----------------------------------------------+-------------------------------+
|                                               |                               |
|1. Identity of the issuer or the underlying    |         Carillion Plc         |
|issuer of existing shares to which voting      |                               |
|rights are attached:                           |                               |
+-----------------------------------------------+-------------------------------+
|                                                                               |
|2. Reason for notification (yes/no)                                            |
+--------------------------------------------------------------------+----------+
|                                                                    |   yes    |
|An acquisition or disposal of voting rights                         |          |
+--------------------------------------------------------------------+----------+
|                                                                    |          |
|An acquisition or disposal of financial instruments which may result|          |
|in the acquisition of shares already issued to which voting rights  |          |
|are attached                                                        |          |
+--------------------------------------------------------------------+----------+
|                                                                    |          |
|An event changing the breakdown of voting rights                    |          |
+--------------------------------------------------------------------+----------+
|                                                                    |          |
|Other (please specify):______________                               |          |
+---------------------------------------+----------------------------+----------+
|                                       |                                       |
|3. Full name of person(s) subject to   |             Schroders plc             |
|notification obligation:               |                                       |
+---------------------------------------+---------------------------------------+
|                                       |                                       |
|4. Full name of shareholder(s) (if     |                                       |
|different from 3):                     |                                       |
+---------------------------------------+---------------------------------------+
|                                       |                                       |
|5. Date of transaction (and date on    |               06.05.08                |
|which the threshold is crossed or      |                                       |
|reached if different):                 |                                       |
+---------------------------------------+---------------------------------------+
|                                       |                                       |
|6. Date on which issuer notified:      |               07.05.08                |
+---------------------------------------+---------------------------------------+
|                                       |                                       |
|7. Threshold(s) that is/are crossed or |               18% - 17%               |
|reached:                               |                                       |
+---------------------------------------+-------+--------------------+----------+
+---------------------------------------+-------+--------------------+----------+













+---------------------------------------------------------------------------------------+
|8: Notified Details                                                                    |
+---------------------------------------------------------------------------------------+
|A: Voting rights attached to shares                                                    |
|                                                                                       |
+------------+---------------------+----------------------------------------------------+
|Class/type  |Situation previous to|Resulting situation after the triggering transaction|
|of shares   |the triggering       |                                                    |
|If possible |transaction          |                                                    |
|use ISIN    +----------+----------+------------+----------------------+----------------+
|code        |Number of |Number of |Number of   |Number of voting      |Percentage of   |
|            |shares    |voting    |shares      |rights                |voting rights   |
|            |          |rights    |            +-------+--------------+-------+--------+
|            |          |          |            |       |              |       |        |
|            |          |          |            |Direct |Indirect      |Direct |Indirect|
+------------+----------+----------+------------+------++-------------++------++--------+
|            |          |          |            |      |              |       |         |
|  Ordinary  |          |          | 82,496,216 |      |70,864,482    |       |         |
|            |82,894,195|71,242,461|            | N/A  |              |  N/A  | 17.95%  |
|GB0007365546|          |          |            |      |              |       |         |
+------------+----------+----------+------------+------++-------------++------++--------+
+------------+----------+----------+------------+------++-------------++------++--------+

+------------------------------------------------------------------------------------+
|B: Financial Instruments                                                            |
|                                                                                    |
+------------------------------------------------------------------------------------+
|Resulting situation after the triggering transaction                                |
|                                                                                    |
+--------------+--------------+--------------+-----------------+---------------------+
|Type of       |Expiration    |Exercise/     |No. of voting    |Percentage of voting |
|financial     |date          |conversion    |rights that may  |rights               |
|instrument    |              |period/date   |be acquired (if  |                     |
|              |              |              |the instrument   |                     |
|              |              |              |exercised/       |                     |
|              |              |              |converted)       |                     |
+--------------+--------------+--------------+-----------------+---------------------+
|              |              |              |                 |                     |
|              |              |              |                 |                     |
+--------------+--------------+--------------+-----------------+---------------------+

+-----------------------------------------------------------------------------------+
|Total (A+B)                                                                        |
|                                                                                   |
+-------------------------------------+---------------------------------------------+
|Number of voting rights              |Percentage of voting rights                  |
+-------------------------------------+---------------------------------------------+
|                                     |                                             |
|             70,864,482              |                   17.95%                    |
+-------------------------------------+---------------------------------------------+












+-----------------------------------------------------------------------------+
|9. Chain of controlled undertakings through which the voting rights and /or  |
|the financial instruments are effectively held, if applicable:               |
+-----------------------------------------------------------------------------+
|Schroder Investment Management Limited 70,391,582 17.83%                     |
|Schroder Investment Management North America Limited 467,500 0.12%           |
|Schroder &Co Limited 5,400 0.001%                                            |
|                                                                             |
+-----------------------------------------------------------------------------+

+-----------------------------------------------------------------------------+
|Proxy Voting:                                                                |
|                                                                             |
+--------------------------------------+--------------------------------------+
|10. Name of proxy holder:             |                                      |
|                                      |                                      |
+--------------------------------------+--------------------------------------+
|11. Number of voting rights proxy     |                                      |
|holder will cease to hold:            |                                      |
|                                      |                                      |
+--------------------------------------+--------------------------------------+
|12. Date on which proxy holder will   |                                      |
|cease to hold voting rights:          |                                      |
|                                      |                                      |
+--------------------------------------+--------------------------------------+

+--------------------------------------+--------------------------------------+
|13. Additional information:           |The shares referred to in section 9   |
|                                      |are held in portfolios managed by     |
|                                      |those firms on a discretionary basis  |
|                                      |for clients under investment          |
|                                      |management agreements.                |
+--------------------------------------+--------------------------------------+
|14 Contact name:                      |                                      |
|                                      |             Andrea Rowe              |
+--------------------------------------+--------------------------------------+
|15. Contact telephone name:           |                                      |
|                                      |            020 7658 2521             |
+--------------------------------------+--------------------------------------+




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