SEA - 24th December 2007

TR-1: Notifications of Major Interests in Shares

1: Identity of the issuer or the Carillion PLC

underlying issuer of existing shares to which

voting rights are attached:

2: Reason for notification (yes/no)

An acquisition or disposal of voting rights yes

An acquisition or disposal of financial instruments which may result in the no

acquisition of shares already issued to which voting rights are attached

An event changing the breakdown of voting rights no

Other (please no

specify):

3: Full name of person(s) subject to Standard Life Investments Ltd

notification obligation:

4: Full name of shareholder(s) (if Vidacos Nominees

different from 3):

5: Date of transaction (and date on 20 December 2007

which the threshold is crossed or reached if

different):

6: Date on which issuer notified: 21 December 2007

7: Threshold(s) that is/are crossed or 16%

reached:

8: Notified Details

A: Voting rights attached to shares

Class/type of share If possible use ISIN GB0007365546

code

Situation previous to the triggering transaction

Number of shares Number of voting rights

45,048,959 45,048,959

Resulting situation after the triggering transaction

Number of shares Number of voting rights Percentage of

voting rights

Direct Indirect Direct Indirect

44,987,228 22,367,532 22,619,696 7.953% 8.043%

B: Financial Instruments

Resulting situation after the triggering transaction

Type of Expiration date Exercise/ No. of voting Percentage of

financial conversion period rights that may voting rights

instrument /date be acquired

(if the

instrument

exercised/

converted)

Total (A+B)

Number of voting rights Percentage of voting rights

44,987,228 15.996%

9: Chain of controlled undertakings through which the voting rights and /or the financial instruments are effectively held, if applicable:

Standard Life Investments Ltd

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:

14: Contact name: Alison Kennedy

Corporate Governance Manager-Engagement

Standard Life Investments Ltd

15: Contact telephone number: (0131) 245 2289