| 15th Oct 2007 9:12 am | RNS | Holding(s) in Company | 
                                                                            
                                            | 15th Oct 2007 7:01 am | RNS | Acquisition | 
                                                                            
                                            | 2nd Oct 2007 12:36 pm | RNS | Blocklisting Interim Review | 
                                                                            
                                            | 1st Oct 2007 9:41 am | RNS | Total Voting Rights | 
                                                                            
                                            | 27th Sep 2007 1:10 pm | RNS | Holding(s) in Company | 
                                                                            
                                            | 26th Sep 2007 7:02 am | RNS | Trading Update | 
                                                                            
                                            | 13th Sep 2007 11:53 am | RNS | Re Contract | 
                                                                            
                                            | 11th Sep 2007 9:33 am | RNS | Re Network Rail | 
                                                                            
                                            | 3rd Sep 2007 11:22 am | RNS | Merger Update | 
                                                                            
                                            | 31st Aug 2007 5:10 pm | RNS | Offer Update | 
                                                                            
                                            | 31st Aug 2007 3:56 pm | RNS | Total Voting Rights | 
                                                                            
                                            | 22nd Aug 2007 7:00 am | RNS | Offer Update | 
                                                                            
                                            | 20th Aug 2007 12:00 pm | RNS | Merger Update | 
                                                                            
                                            | 14th Aug 2007 1:11 pm | RNS | Holding(s) in Company | 
                                                                            
                                            | 7th Aug 2007 5:41 pm | RNS | Offer Update | 
                                                                            
                                            | 7th Aug 2007 5:29 pm | RNS | Holding(s) in Company | 
                                                                            
                                            | 31st Jul 2007 3:29 pm | RNS | Merger Update | 
                                                                            
                                            | 31st Jul 2007 11:37 am | RNS | Total Voting Rights | 
                                                                            
                                            | 25th Jul 2007 3:27 pm | RNS | Re Aircraft Carrier Alliance | 
                                                                            
                                            | 24th Jul 2007 5:09 pm | RNS | Offer Update | 
                                                                            
                                            | 23rd Jul 2007 3:41 pm | RNS | Holding(s) in Company | 
                                                                            
                                            | 23rd Jul 2007 9:40 am | RNS | Holding(s) in Company | 
                                                                            
                                            | 20th Jul 2007 12:08 pm | RNS | Holding(s) in Company | 
                                                                            
                                            | 16th Jul 2007 4:36 pm | RNS | Director/PDMR Shareholding | 
                                                                            
                                            | 13th Jul 2007 3:25 pm | RNS | Result of AGM | 
                                                                            
                                            | 13th Jul 2007 7:00 am | RNS | AGM & IMS Statement | 
                                                                            
                                            | 9th Jul 2007 2:31 pm | RNS | Director Declaration | 
                                                                            
                                            | 9th Jul 2007 12:10 pm | RNS | Offer unconditional | 
                                                                            
                                            | 9th Jul 2007 9:33 am | RNS | Int Nuclear Solutions | 
                                                                            
                                            | 6th Jul 2007 4:17 pm | RNS | Additional Listing | 
                                                                            
                                            | 3rd Jul 2007 3:56 pm | RNS | Holding(s) in Company | 
                                                                            
                                            | 2nd Jul 2007 1:37 pm | RNS | Annual Information Update | 
                                                                            
                                            | 29th Jun 2007 2:37 pm | RNS | Total Voting Rights | 
                                                                            
                                            | 28th Jun 2007 3:16 pm | RNS | Disposal | 
                                                                            
                                            | 28th Jun 2007 12:31 pm | RNS | Completion of Acquisition | 
                                                                            
                                            | 28th Jun 2007 11:18 am | RNS | Holding(s) in Company | 
                                                                            
                                            | 28th Jun 2007 9:24 am | RNS | Rule 8.1- Intnl Nuclear Sol. | 
                                                                            
                                            | 27th Jun 2007 5:30 pm | RNS | Director/PDMR Shareholding | 
                                                                            
                                            | 27th Jun 2007 5:15 pm | RNS | Director/PDMR Shareholding | 
                                                                            
                                            | 27th Jun 2007 12:23 pm | RNS | Additional Listing |