| 03/10/16 | 18:57:13 | 3 Oct 2016 | | Total Voting Rights | RNS |
| 29/09/16 | 18:00:02 | 29 Sept 2016 | | Director/PDMR Shareholding | RNS |
| 15/09/16 | 18:00:03 | 15 Sept 2016 | | Director/PDMR Shareholding | RNS |
| 08/09/16 | 18:18:35 | 8 Sept 2016 | | Director/PDMR Shareholding | RNS |
| 08/09/16 | 08:00:06 | 8 Sept 2016 | | Preliminary Results | RNS |
| 07/09/16 | 08:00:11 | 7 Sept 2016 | | NON-EXECUTIVE DIRECTOR RETIREMENT | RNS |
| 01/09/16 | 17:17:48 | 1 Sept 2016 | | Total Voting Rights | RNS |
| 15/08/16 | 08:00:10 | 15 Aug 2016 | | FINAL JURY DECISIONS IN US LITIGATION | RNS |
| 12/08/16 | 08:00:07 | 12 Aug 2016 | | FURTHER DECISIONS IN US LITIGATION | RNS |
| 11/08/16 | 08:00:09 | 11 Aug 2016 | | FIRST DECISIONS IN US ANTI-TRUST LITIGATION | RNS |
| 01/08/16 | 10:20:27 | 1 Aug 2016 | | Block listing Interim Review | RNS |
| 01/08/16 | 10:09:31 | 1 Aug 2016 | | Total Voting Rights | RNS |
| 27/07/16 | 08:00:08 | 27 Jul 2016 | | Signs exclusive licence for tech. to combat BRD | RNS |
| 15/07/16 | 08:00:05 | 15 Jul 2016 | | Adoption of Financial Reporting Standard (FRS) 101 | RNS |
| 01/07/16 | 16:10:10 | 1 Jul 2016 | | Total Voting Rights | RNS |
| 17/06/16 | 17:40:22 | 17 Jun 2016 | | Second Price Monitoring Extn | RNS |
| 17/06/16 | 17:35:24 | 17 Jun 2016 | | Price Monitoring Extension | RNS |
| 01/06/16 | 15:00:02 | 1 Jun 2016 | | Total Voting Rights | RNS |
| 18/05/16 | 08:00:07 | 18 May 2016 | | Exclusive Licence for Leading Gene Editing Tech | RNS |
| 03/05/16 | 15:29:32 | 3 May 2016 | | Total Voting Rights | RNS |
| 01/04/16 | 16:31:57 | 1 Apr 2016 | | Director/PDMR Shareholding | RNS |
| 09/03/16 | 17:03:05 | 9 Mar 2016 | | Director/PDMR Shareholding | RNS |
| 04/03/16 | 09:30:02 | 4 Mar 2016 | | BOARD APPOINTMENT | RNS |
| 03/03/16 | 14:00:04 | 3 Mar 2016 | | Director/PDMR Shareholding | RNS |
| 01/03/16 | 17:17:17 | 1 Mar 2016 | | Director/PDMR Shareholding | RNS |
| 23/02/16 | 07:00:06 | 23 Feb 2016 | | INTERIM RESULTS | RNS |
| 01/02/16 | 13:22:28 | 1 Feb 2016 | | Blocklisting Interim Review | RNS |
| 04/01/16 | 17:40:39 | 4 Jan 2016 | | Total Voting Rights | RNS |
| 11/12/15 | 15:14:15 | 11 Dec 2015 | | Director/PDMR Shareholding | RNS |
| 09/12/15 | 16:30:36 | 9 Dec 2015 | | Director/PDMR Shareholding | RNS |
| 08/12/15 | 07:00:06 | 8 Dec 2015 | | Tackles major pig disease with breakthrough tech | RNS |
| 01/12/15 | 16:54:24 | 1 Dec 2015 | | Holding(s) in Company | RNS |
| 01/12/15 | 16:46:44 | 1 Dec 2015 | | Total Voting Rights | RNS |
| 19/11/15 | 14:52:32 | 19 Nov 2015 | | Result of AGM | RNS |
| 19/11/15 | 07:00:08 | 19 Nov 2015 | | AGM - TRADING UPDATE | RNS |
| 02/11/15 | 15:04:24 | 2 Nov 2015 | | Total Voting Rights | RNS |
| 22/10/15 | 18:48:04 | 22 Oct 2015 | | Holding(s) in Company | RNS |
| 21/10/15 | 19:10:42 | 21 Oct 2015 | | Director/PDMR Shareholding | RNS |
| 15/10/15 | 13:46:02 | 15 Oct 2015 | | Annual Report and Notice of AGM | RNS |
| 01/10/15 | 16:00:07 | 1 Oct 2015 | | Total Voting Rights | RNS |
| 15/09/15 | 12:00:02 | 15 Sept 2015 | | Director/PDMR Shareholding | RNS |
| 08/09/15 | 08:00:21 | 8 Sept 2015 | | Preliminary Results | RNS |
| 03/08/15 | 15:00:08 | 3 Aug 2015 | | Blocklisting Interim Review | RNS |
| 30/06/15 | 15:00:10 | 30 Jun 2015 | | Total Voting Rights | RNS |
| 29/06/15 | 15:00:07 | 29 Jun 2015 | | Change of Registered Office | RNS |
| 29/05/15 | 15:00:09 | 29 May 2015 | | Total Voting Rights | RNS |
| 12/05/15 | 08:00:34 | 12 May 2015 | | Capital Markets Event and Trading Update | RNS |
| 11/05/15 | 15:00:20 | 11 May 2015 | | Holding(s) in Company | RNS |
| 07/05/15 | 15:21:03 | 7 May 2015 | | Holding(s) in Company | RNS |
| 30/04/15 | 15:00:09 | 30 Apr 2015 | | Total Voting Rights | RNS |
