| 14/10/20 | 16:41:02 | 14 Oct 2020 | | Second Price Monitoring Extn | RNS |
| 14/10/20 | 16:35:42 | 14 Oct 2020 | | Price Monitoring Extension | RNS |
| 29/07/20 | 07:00:06 | 29 Jul 2020 | | “POS-GRIP” production wellhead contract awarded | RNS |
| 19/06/20 | 15:55:51 | 19 Jun 2020 | | Trading and Corporate Update | RNS |
| 27/03/20 | 07:00:05 | 27 Mar 2020 | | Interim Results | RNS |
| 26/02/20 | 07:00:02 | 26 Feb 2020 | | Sale of POS-GRIP Wellhead Equipment to CIS Partner | RNS |
| 09/01/20 | 11:00:03 | 9 Jan 2020 | | Director/PDMR Shareholding | RNS |
| 05/12/19 | 15:55:43 | 5 Dec 2019 | | Result of AGM | RNS |
| 05/12/19 | 07:00:05 | 5 Dec 2019 | | AGM Statement | RNS |
| 22/11/19 | 07:00:08 | 22 Nov 2019 | | POS-GRIP Seal System Widens Performance Capability | RNS |
| 12/11/19 | 18:00:03 | 12 Nov 2019 | | Posting of Annual Report & Notice of AGM | RNS |
| 05/11/19 | 07:00:05 | 5 Nov 2019 | | Preliminary Results for the year to 30 June 2019 | RNS |
| 24/09/19 | 08:00:02 | 24 Sept 2019 | | First POS-GRIP Wellhead Installed for Gazprom | RNS |
| 03/06/19 | 08:00:06 | 3 Jun 2019 | | JV to supply Wellheads, Surface Xmas Tree & Valve | RNS |
| 08/05/19 | 08:00:02 | 8 May 2019 | | Confirmation of Reduction of Capital | RNS |
| 09/04/19 | 12:29:45 | 9 Apr 2019 | | Result of Meeting | RNS |
| 28/03/19 | 07:00:03 | 28 Mar 2019 | | Interim Results | RNS |
| 13/03/19 | 16:30:01 | 13 Mar 2019 | | Posting of Circular and Notice of GM | RNS |
| 13/03/19 | 07:00:02 | 13 Mar 2019 | | Interim Dividend, Capital Reduction & Notice of GM | RNS |
| 04/03/19 | 07:00:04 | 4 Mar 2019 | | Russian Licensee Awarded Contract by Gazprom | RNS |
| 18/02/19 | 07:00:08 | 18 Feb 2019 | | Trading Update | RNS |
| 12/02/19 | 09:55:01 | 12 Feb 2019 | | Holding(s) in Company | RNS |
| 12/02/19 | 09:55:01 | 12 Feb 2019 | | Holding(s) in Company | RNS |
| 12/02/19 | 09:55:01 | 12 Feb 2019 | | Holding(s) in Company | RNS |
| 06/02/19 | 15:39:36 | 6 Feb 2019 | | Holding(s) in Company | RNS |
| 05/02/19 | 16:09:50 | 5 Feb 2019 | | Holding(s) in Company | RNS |
| 05/02/19 | 14:34:37 | 5 Feb 2019 | | Completion of Share Buyback Transaction | RNS |
| 01/02/19 | 15:11:48 | 1 Feb 2019 | | Result of General Meeting | RNS |
| 15/01/19 | 10:10:01 | 15 Jan 2019 | | Posting of Circular and Notice of General Meeting | RNS |
| 14/01/19 | 07:00:05 | 14 Jan 2019 | | Proposed Buyback of Ordinary Shares held by Gusar | RNS |
| 17/12/18 | 07:00:04 | 17 Dec 2018 | | Investment in precision engineering business | RNS |
| 13/12/18 | 16:20:19 | 13 Dec 2018 | | AGM Results | RNS |
| 13/12/18 | 07:00:01 | 13 Dec 2018 | | AGM Statement | RNS |
| 15/11/18 | 17:28:12 | 15 Nov 2018 | | Notice of AGM | RNS |
| 08/11/18 | 07:00:09 | 8 Nov 2018 | | Preliminary Results for the year to 30 June 2018 | RNS |
| 27/09/18 | 08:00:05 | 27 Sept 2018 | | First Sale of Equipment by CIS Partner to Gazprom | RNS |
| 25/09/18 | 08:00:24 | 25 Sept 2018 | | Growing interest in technology to tackle gas leaks | RNS |
| 08/08/18 | 08:00:01 | 8 Aug 2018 | | Second Order for POS-SET Connector | RNS |
| 26/03/18 | 08:00:03 | 26 Mar 2018 | | Interim Results | RNS |
| 14/02/18 | 07:00:02 | 14 Feb 2018 | | Sale of Wellhead Equipment to Russian Partner | RNS |
| 13/02/18 | 13:30:01 | 13 Feb 2018 | | Board Change | RNS |
| 01/02/18 | 08:30:01 | 1 Feb 2018 | | Completes Sale of Jack-Up Business to TechnipFMC | RNS |
| 21/12/17 | 15:57:47 | 21 Dec 2017 | | Result of AGM | RNS |
| 21/12/17 | 07:00:03 | 21 Dec 2017 | | AGM Statement | RNS |
| 23/11/17 | 14:30:02 | 23 Nov 2017 | | Posting of Annual Report & Notice of AGM | RNS |
| 16/11/17 | 07:00:05 | 16 Nov 2017 | | Preliminary Results for the year to 30 June 2017 | RNS |
| 06/11/17 | 12:10:56 | 6 Nov 2017 | | Result of General Meeting | RNS |
| 23/10/17 | 16:58:59 | 23 Oct 2017 | | Posting of Circular and Notice of General Meeting | RNS |
| 25/09/17 | 08:00:03 | 25 Sept 2017 | | First Production Well Order with Centrica | RNS |
| 21/09/17 | 14:00:02 | 21 Sept 2017 | | First Wellhead Order from Rosneft in Vietnam | RNS |
