| 06/05/14 | 08:01:49 | 6 May 2014 | | Director/PDMR Shareholding | RNS |
| 06/05/14 | 08:01:44 | 6 May 2014 | | Release of Treasury Shares | RNS |
| 01/05/14 | 17:37:32 | 1 May 2014 | | Release of Treasury Shares | RNS |
| 30/04/14 | 18:51:58 | 30 Apr 2014 | | RB no longer in active discussions with Merck | RNS |
| 30/04/14 | 18:01:21 | 30 Apr 2014 | | Total Voting Rights | RNS |
| 30/04/14 | 18:00:57 | 30 Apr 2014 | | Release of Treasury Shares | RNS |
| 29/04/14 | 17:48:35 | 29 Apr 2014 | | Release of Treasury Shares | RNS |
| 28/04/14 | 18:17:58 | 28 Apr 2014 | | Release of Treasury Shares | RNS |
| 28/04/14 | 18:08:57 | 28 Apr 2014 | | RB in discussions with Merck | RNS |
| 25/04/14 | 17:56:52 | 25 Apr 2014 | | Release of Treasury Shares | RNS |
| 24/04/14 | 17:41:48 | 24 Apr 2014 | | Release of Treasury Shares | RNS |
| 23/04/14 | 17:55:16 | 23 Apr 2014 | | Release of Treasury Shares | RNS |
| 22/04/14 | 18:25:56 | 22 Apr 2014 | | Release of Treasury Shares | RNS |
| 17/04/14 | 18:23:51 | 17 Apr 2014 | | Release of Treasury Shares | RNS |
| 16/04/14 | 18:09:47 | 16 Apr 2014 | | Release of Treasury Shares | RNS |
| 16/04/14 | 08:00:05 | 16 Apr 2014 | | 1st Quarter Results | RNS |
| 09/04/14 | 11:00:25 | 9 Apr 2014 | | Release of Treasury Shares | RNS |
| 07/04/14 | 17:50:46 | 7 Apr 2014 | | Release of Treasury Shares | RNS |
| 03/04/14 | 08:55:55 | 3 Apr 2014 | | Annual Report 2013 and 2014 Notice of AGM | RNS |
| 02/04/14 | 17:34:27 | 2 Apr 2014 | | Release of Treasury Shares | RNS |
| 31/03/14 | 18:03:08 | 31 Mar 2014 | | Total Voting Rights | RNS |
| 31/03/14 | 13:02:07 | 31 Mar 2014 | | Executive Committee Change | RNS |
| 28/03/14 | 16:55:28 | 28 Mar 2014 | | Release of Treasury Shares | RNS |
| 27/03/14 | 16:53:21 | 27 Mar 2014 | | Release of Treasury Shares | RNS |
| 26/03/14 | 16:42:35 | 26 Mar 2014 | | Release of Treasury Shares | RNS |
| 25/03/14 | 17:07:57 | 25 Mar 2014 | | Release of Treasury Shares | RNS |
| 24/03/14 | 16:48:26 | 24 Mar 2014 | | Release of Treasury shares | RNS |
| 20/03/14 | 16:56:16 | 20 Mar 2014 | | Release of Treasury Shares | RNS |
| 19/03/14 | 16:51:51 | 19 Mar 2014 | | Release of Treasury Shares | RNS |
| 18/03/14 | 16:47:18 | 18 Mar 2014 | | Release of Treasury Shares | RNS |
| 12/03/14 | 16:37:09 | 12 Mar 2014 | | Release of Treasury Shares | RNS |
| 11/03/14 | 16:55:40 | 11 Mar 2014 | | Release of Treasury Shares | RNS |
| 10/03/14 | 08:20:49 | 10 Mar 2014 | | Acquisition | RNS |
| 06/03/14 | 17:16:44 | 6 Mar 2014 | | Release of Treasury Shares | RNS |
| 05/03/14 | 16:52:37 | 5 Mar 2014 | | Release of Treasury Shares | RNS |
| 04/03/14 | 16:52:48 | 4 Mar 2014 | | Release of Treasury Shares | RNS |
| 03/03/14 | 08:47:30 | 3 Mar 2014 | | Total Voting Rights | RNS |
| 28/02/14 | 17:13:49 | 28 Feb 2014 | | Release of Treasury Shares | RNS |
| 26/02/14 | 16:51:56 | 26 Feb 2014 | | Release of Treasury Shares | RNS |
| 25/02/14 | 17:05:21 | 25 Feb 2014 | | Release of Treasury Shares | RNS |
| 24/02/14 | 16:35:02 | 24 Feb 2014 | | Release of Treasury Shares | RNS |
| 21/02/14 | 16:42:40 | 21 Feb 2014 | | Release of Treasury Shares | RNS |
| 19/02/14 | 16:56:17 | 19 Feb 2014 | | Release of Treasury Shares | RNS |
| 18/02/14 | 17:04:16 | 18 Feb 2014 | | Release of Treasury Shares | RNS |
| 17/02/14 | 16:51:16 | 17 Feb 2014 | | Release of Treasury Shares | RNS |
| 14/02/14 | 16:43:30 | 14 Feb 2014 | | Release of Treasury Shares | RNS |
| 13/02/14 | 16:56:39 | 13 Feb 2014 | | Release of Treasury Shares | RNS |
| 12/02/14 | 16:42:28 | 12 Feb 2014 | | Release of Treasury Shares | RNS |
| 12/02/14 | 07:00:25 | 12 Feb 2014 | | Full Year Results 2013 | RNS |
| 06/02/14 | 10:20:12 | 6 Feb 2014 | | Release of Treasury Shares | RNS |