| 03-May-13 07:00 | RNS | Replacement - Grant of Options | Company Announcement - General |
| 02-May-13 16:10 | RNS | Grant of Options | Company Announcement - General |
| 04-Mar-13 07:00 | RNS | IHS CERAWeek 2103 Presentation | Company Announcement - General |
| 03-Jan-13 12:29 | RNS | Result of General Meeting | Results and Trading Reports |
| 11-Dec-12 13:15 | RNS | £30.6 million Share Placing | Company Announcement - General |
| 30-Nov-12 11:07 | RNS | GreenSky London Progress Update | Company Announcement - General |
| 05-Nov-12 07:00 | RNS | Mourik Agreement for Commercial Catalyst Handling | Company Announcement - General |