| 01/11/18 | 08:18:12 | 1 Nov 2018 | | Total Voting Rights | RNS |
| 29/10/18 | 15:37:58 | 29 Oct 2018 | | Share Purchase by Non-Executive Director | RNS |
| 29/10/18 | 09:40:36 | 29 Oct 2018 | | Annual Financial Report | RNS |
| 17/10/18 | 18:35:05 | 17 Oct 2018 | | Director/PDMR Shareholding | RNS |
| 11/10/18 | 15:50:04 | 11 Oct 2018 | | Share purchase by CEO | RNS |
| 11/10/18 | 08:00:07 | 11 Oct 2018 | | Preliminary Results for year ended 31 July 2018 | RNS |
| 19/09/18 | 15:24:28 | 19 Sept 2018 | | Notice of Full-Year Results | RNS |
| 17/09/18 | 16:25:41 | 17 Sept 2018 | | Holding in Company | RNS |
| 27/07/18 | 10:50:21 | 27 Jul 2018 | | Notice of Results | RNS |
| 17/07/18 | 08:00:09 | 17 Jul 2018 | | Acquisition of Air Connection ApS | RNS |
| 06/07/18 | 08:00:04 | 6 Jul 2018 | | Acquisition of Oy Pamon Ab | RNS |
| 06/06/18 | 14:32:51 | 6 Jun 2018 | | Holding(s) in Company | RNS |
| 04/06/18 | 09:15:50 | 4 Jun 2018 | | Total Voting Rights | RNS |
| 16/05/18 | 18:26:03 | 16 May 2018 | | Holding(s) in Company | RNS |
| 20/04/18 | 17:40:31 | 20 Apr 2018 | | Second Price Monitoring Extn | RNS |
| 20/04/18 | 17:35:18 | 20 Apr 2018 | | Price Monitoring Extension | RNS |
| 12/04/18 | 18:49:51 | 12 Apr 2018 | | Holding(s) in Company | RNS |
| 26/03/18 | 18:55:01 | 26 Mar 2018 | | Director/PDMR Shareholding | RNS |
| 19/03/18 | 07:02:01 | 19 Mar 2018 | | Interim Results for 6 months ended 31 Jan 2018 | RNS |
| 19/03/18 | 07:01:04 | 19 Mar 2018 | | Appointment of Non-Executive Director | RNS |
| 19/03/18 | 07:00:05 | 19 Mar 2018 | | Acquisition of Simx Limited | RNS |
| 22/02/18 | 17:06:28 | 22 Feb 2018 | | Holding(s) in Company | RNS |
| 22/02/18 | 08:37:44 | 22 Feb 2018 | | Notice of Interim Results | RNS |
| 13/12/17 | 17:02:02 | 13 Dec 2017 | | Result of AGM | RNS |
| 01/12/17 | 09:55:30 | 1 Dec 2017 | | Total Voting Rights | RNS |
| 27/11/17 | 17:49:30 | 27 Nov 2017 | | Holding(s) in Company | RNS |
| 08/11/17 | 17:10:09 | 8 Nov 2017 | | Holding(s) in Company | RNS |
| 30/10/17 | 10:09:29 | 30 Oct 2017 | | Annual Report & Accounts 2017 | RNS |
| 10/10/17 | 08:01:01 | 10 Oct 2017 | | Retirement of Non-Executive Director | RNS |
| 10/10/17 | 08:00:03 | 10 Oct 2017 | | Final Results for the year ended 31 July 2017 | RNS |
| 17/08/17 | 09:57:47 | 17 Aug 2017 | | Holding(s) in Company | RNS |
| 11/08/17 | 08:00:02 | 11 Aug 2017 | | Trading Update | RNS |
| 27/07/17 | 14:43:20 | 27 Jul 2017 | | Notice of Trading Update | RNS |
| 03/07/17 | 09:30:26 | 3 Jul 2017 | | Total Voting Rights | RNS |
| 30/05/17 | 08:00:09 | 30 May 2017 | | Acquisition of VoltAir System AB | RNS |
| 03/05/17 | 18:40:01 | 3 May 2017 | | Holding(s) in Company | RNS |
| 21/03/17 | 14:03:59 | 21 Mar 2017 | | Holding(s) in Company | RNS |
| 20/03/17 | 07:00:07 | 20 Mar 2017 | | Interim Results for 6 months ended 31 Jan 2017 | RNS |
| 28/02/17 | 12:55:24 | 28 Feb 2017 | | Holding(s) in Company | RNS |
| 20/02/17 | 08:19:41 | 20 Feb 2017 | | Notice of Interim Results | RNS |
| 30/12/16 | 10:33:27 | 30 Dec 2016 | | Holding(s) in Company | RNS |
| 19/12/16 | 07:00:09 | 19 Dec 2016 | | Acquisition of Breathing Buildings Ltd | RNS |
| 09/12/16 | 16:29:37 | 9 Dec 2016 | | Result of AGM - Poll Votes | RNS |
| 06/12/16 | 09:56:48 | 6 Dec 2016 | | Director Declaration | RNS |
| 23/11/16 | 16:12:55 | 23 Nov 2016 | | Holding(s) in Company | RNS |
| 07/11/16 | 16:12:09 | 7 Nov 2016 | | Director/PDMR Shareholding | RNS |
| 03/11/16 | 11:56:50 | 3 Nov 2016 | | Holding(s) in Company | RNS |
| 03/11/16 | 08:38:31 | 3 Nov 2016 | | Holding(s) in Company | RNS |
| 01/11/16 | 13:03:19 | 1 Nov 2016 | | Holding(s) in Company | RNS |
| 01/11/16 | 10:23:45 | 1 Nov 2016 | | Holding(s) in Company | RNS |
