SEA - 17th October 2007

Carillion plc - Rule 2.10 Announcement

Relevant Securities in Issue

In accordance with Rule 2.10 of The City Code on Takeovers and Mergers, Carillion plc confirms that, as at the close of business on 16 October 2007, its issued share capital consisted of 281, 242,738 ordinary shares of 50 pence each.

The ISIN reference number for these securities is GB0007365546.