| 15-May-13 16:11 | RNS | Posting of Annual Report & Notice of AGM | Company Announcement - General |
| 02-May-13 10:34 | RNS | Grant of share options | Company Announcement - General |
| 01-May-13 14:55 | RNS | Director/PDMR Shareholding | Directors' Dealings |
| 01-May-13 07:01 | RNS | Preliminary Results | Results and Trading Reports |
| 01-May-13 07:00 | RNS | Directorate Change | Executive Changes |
| 04-Apr-13 07:00 | RNS-R | Senior Management Appointment | Company Announcement - General |
| 03-Apr-13 07:00 | RNS-R | micro Combined Heating & Power (mCHP) Report | Company Announcement - General |
| 28-Feb-13 12:37 | RNS | Holding(s) in Company | Holding(s) in Company |
| 18-Feb-13 07:00 | RNS | Notice of allowance for Pnu Power patent | Company Announcement - General |
| 14-Feb-13 07:00 | RNS | Completion of Controlled Market Entry phase | Company Announcement - General |
| 12-Feb-13 07:00 | RNS | Directorate Change | Executive Changes |
| 24-Jan-13 07:00 | RNS-R | Innovators & Investors Forum | Company Announcement - General |
| 20-Dec-12 07:00 | RNS | Holding(s) in Company | Holding(s) in Company |
| 19-Dec-12 07:00 | RNS-R | Shareholder Newsletter | Company Announcement - General |
| 14-Dec-12 07:00 | RNS | Launch of Flow and CME update | Company Announcement - General |
| 29-Nov-12 17:25 | RNS | Holding(s) in Company | Holding(s) in Company |
| 23-Nov-12 16:43 | RNS | Director/PDMR Shareholding | Directors' Dealings |
| 14-Nov-12 16:26 | RNS | Holding(s) in Company | Holding(s) in Company |
| 02-Nov-12 15:31 | RNS | Holding(s) in Company | Holding(s) in Company |
| 01-Nov-12 07:00 | RNS | Holding(s) in Company | Holding(s) in Company |
| 30-Oct-12 07:00 | RNS-R | Pnu Power Wins Industry Award | Company Announcement - General |
| 29-Oct-12 07:00 | RNS | Successful start to Controlled Market Entry phase | Company Announcement - General |
| 23-Oct-12 15:32 | RNS | Result of Open Offer | Company Announcement - General |
| 19-Oct-12 16:59 | RNS | Holding(s) in Company | Holding(s) in Company |
| 19-Oct-12 16:43 | RNS | Holding(s) in Company | Holding(s) in Company |
| 18-Oct-12 17:43 | RNS | Holding(s) in Company | Holding(s) in Company |
| 18-Oct-12 12:04 | RNS | Holding(s) in Company | Holding(s) in Company |
| 17-Oct-12 16:44 | RNS | Holding(s) in Company | Holding(s) in Company |
| 17-Oct-12 16:41 | RNS | Grant of share options | Company Announcement - General |
| 16-Oct-12 11:03 | RNS | Result of General Meeting | Company Announcement - General |