| 14-Dec-11 07:00 | RNS | Agreement with Asia Pacific Fuel Cell Technologies | Company Announcement - General |
| 12-Dec-11 07:00 | RNS | Development and Commercial Supply Agreement | Company Announcement - General |
| 21-Nov-11 07:00 | RNS | Launch of Oxygen-Hydrogen Gas Welding System | Company Announcement - General |
| 10-Nov-11 09:39 | RNS | Share Price Performance | Company Announcement - General |
| 24-Oct-11 07:00 | RNS | Grant Funding Approval and Project Commencement | Company Announcement - General |
| 22-Sep-11 07:00 | RNS | Interim Results | Results and Trading Reports |
| 19-Sep-11 07:00 | RNS | Notice of Interim Results | Advance Notice of Results |
| 27-Jul-11 07:00 | RNS | Business Update | Company Announcement - General |
| 18-Jul-11 07:00 | RNS | Directorate Change | Executive Changes |
| 12-Jul-11 07:00 | RNS | Result of AGM | Results and Trading Reports |
| 16-Jun-11 07:00 | RNS | Posting of Annual Report and Accounts | Results and Trading Reports |
| 20-May-11 07:00 | RNS | EURO 5.3 million EPC and Consent Sale Contract | Company Announcement - General |
| 23-Mar-11 07:00 | RNS | Preliminary Results | Results and Trading Reports |
| 18-Mar-11 14:17 | RNS | Contract Termination and Regulatory Update | Company Announcement - General |
| 16-Feb-11 07:00 | RNS | Holding(s) in Company | Holding(s) in Company |
| 15-Feb-11 07:00 | RNS | Strategic Divestment of Shareholding | Company Announcement - General |
| 14-Feb-11 07:00 | RNS | Joint Development and Production Agreement | Company Announcement - General |
| 14-Feb-11 07:00 | RNS | EURO 5.2 million Contract Win and Trading Update | Company Announcement - General |
| 10-Feb-11 07:00 | RNS | Development & Production Agreement with Claind Srl | Company Announcement - General |
| 09-Feb-11 07:00 | RNS | Ethanol Reformer Agreement for Diesel Enrichment | Company Announcement - General |
| 31-Dec-10 07:00 | RNS | Conditional sale of Euro 0.9 million PV consents | Company Announcement - General |
| 21-Dec-10 07:00 | RNS | Euro 2.45 million consent-only sales agreement | Company Announcement - General |
| 20-Dec-10 07:00 | RNS | Additional PV Project Consents Received | Company Announcement - General |
| 29-Oct-10 07:00 | RNS | Total Voting Rights | Holding(s) in Company |
| 25-Oct-10 07:00 | RNS | Holding(s) in Company | Holding(s) in Company |
| 22-Oct-10 07:00 | RNS | Director/PDMR Shareholding | Directors' Dealings |
| 22-Oct-10 07:00 | RNS | Additional Photovoltaic Project Consents Received | Company Announcement - General |
| 21-Oct-10 10:03 | RNS | Additional Listing | Company Announcement - General |
| 13-Oct-10 13:49 | RNS | Announcement of results of EGM | Results and Trading Reports |
| 08-Oct-10 07:00 | RNS | Additional PV Project Consents Received | Company Announcement - General |