| 16/04/15 | 13:11:40 | 16 Apr 2015 | | Director/PDMR Shareholding | RNS |
| 09/04/15 | 13:17:41 | 9 Apr 2015 | | Annual Financial Report | RNS |
| 31/03/15 | 16:34:05 | 31 Mar 2015 | | Director/PDMR Shareholding | RNS |
| 31/03/15 | 16:29:56 | 31 Mar 2015 | | Director/PDMR Shareholding | RNS |
| 16/03/15 | 15:58:19 | 16 Mar 2015 | | Director/PDMR Shareholding | RNS |
| 12/03/15 | 07:02:03 | 12 Mar 2015 | | Directorate Change | RNS |
| 12/03/15 | 07:00:16 | 12 Mar 2015 | | Full Year Results | RNS |
| 06/03/15 | 09:15:19 | 6 Mar 2015 | | Director Declaration | RNS |
| 18/02/15 | 09:32:08 | 18 Feb 2015 | | Director/PDMR Shareholding | RNS |
| 04/02/15 | 11:22:22 | 4 Feb 2015 | | Blocklisting Interim Review | RNS |
| 04/02/15 | 09:13:05 | 4 Feb 2015 | | Director Declaration | RNS |
| 15/01/15 | 16:09:35 | 15 Jan 2015 | | Director/PDMR Shareholding | RNS |
| 13/01/15 | 07:00:07 | 13 Jan 2015 | | Trading Update | RNS |
| 12/01/15 | 09:15:52 | 12 Jan 2015 | | Director Declaration | RNS |
| 06/01/15 | 07:00:06 | 6 Jan 2015 | | Notification of Trading Statement | RNS |
| 16/12/14 | 08:39:32 | 16 Dec 2014 | | Director/PDMR Shareholding | RNS |
| 15/12/14 | 16:20:51 | 15 Dec 2014 | | Holding(s) in Company | RNS |
| 18/11/14 | 09:40:24 | 18 Nov 2014 | | Director/PDMR Shareholding | RNS |
| 12/11/14 | 07:00:19 | 12 Nov 2014 | | Interim Management Statement | RNS |
| 06/11/14 | 07:00:12 | 6 Nov 2014 | | Notification of Interim Management Statement | RNS |
| 03/11/14 | 10:47:43 | 3 Nov 2014 | | Total Voting Rights | RNS |
| 15/10/14 | 16:46:35 | 15 Oct 2014 | | Director/PDMR Shareholding | RNS |
| 14/10/14 | 08:00:14 | 14 Oct 2014 | | Disposal Of Interest In Ice Energy | RNS |
| 10/10/14 | 11:43:23 | 10 Oct 2014 | | Director/PDMR Shareholding | RNS |
| 09/10/14 | 17:55:21 | 9 Oct 2014 | | Holding(s) in Company | RNS |
| 06/10/14 | 13:01:19 | 6 Oct 2014 | | Holding(s) in Company | RNS |
| 02/10/14 | 08:00:09 | 2 Oct 2014 | | Refinancing of Revolving Credit Facility | RNS |
| 18/09/14 | 16:42:24 | 18 Sept 2014 | | Director/PDMR Shareholding | RNS |
| 15/09/14 | 17:10:59 | 15 Sept 2014 | | Holding(s) in Company | RNS |
| 15/09/14 | 16:37:58 | 15 Sept 2014 | | Director/PDMR Shareholding | RNS |
| 18/08/14 | 10:22:35 | 18 Aug 2014 | | Holding(s) in Company | RNS |
| 15/08/14 | 15:33:50 | 15 Aug 2014 | | Director/PDMR Shareholding | RNS |
| 12/08/14 | 08:00:06 | 12 Aug 2014 | | Half Yearly Report | RNS |
| 11/08/14 | 10:25:15 | 11 Aug 2014 | | Holding(s) in Company | RNS |
| 08/08/14 | 13:51:12 | 8 Aug 2014 | | Additional Listing | RNS |
| 04/08/14 | 10:05:16 | 4 Aug 2014 | | Blocklisting Interim Review | RNS |
| 18/07/14 | 08:00:07 | 18 Jul 2014 | | Acquisition of Roofing Business | RNS |
| 16/07/14 | 17:10:07 | 16 Jul 2014 | | Holding(s) in Company | RNS |
| 15/07/14 | 16:00:48 | 15 Jul 2014 | | Director/PDMR Shareholding | RNS |
| 08/07/14 | 08:00:11 | 8 Jul 2014 | | Trading Statement | RNS |
| 03/07/14 | 08:00:08 | 3 Jul 2014 | | Acquisition of Air Handling Business | RNS |
| 01/07/14 | 08:00:12 | 1 Jul 2014 | | Notification of Trading Statement | RNS |
| 16/06/14 | 15:35:15 | 16 Jun 2014 | | Director/PDMR Shareholding | RNS |
| 30/05/14 | 09:46:46 | 30 May 2014 | | Holding(s) in Company | RNS |
| 28/05/14 | 10:15:35 | 28 May 2014 | | Holding(s) in Company | RNS |
| 23/05/14 | 13:13:23 | 23 May 2014 | | Holding(s) in Company | RNS |
| 23/05/14 | 10:00:04 | 23 May 2014 | | Holding(s) in Company | RNS |
| 21/05/14 | 09:25:13 | 21 May 2014 | | Holding(s) in Company | RNS |
| 19/05/14 | 14:42:47 | 19 May 2014 | | Holding(s) in Company | RNS |
| 16/05/14 | 15:06:12 | 16 May 2014 | | Result of AGM | RNS |
