| 04-Apr-11 17:26 | RNS | Director/PDMR Shareholding | Directors' Dealings |
| 09-Feb-11 07:00 | RNS | Notice of Results | Advance Notice of Results |
| 08-Sep-10 07:00 | RNS | Half Yearly Report | Results and Trading Reports |
| 03-Aug-10 07:00 | RNS | AMS Strengthens Senior Management Team | Company Announcement - General |
| 23-Jun-10 17:34 | RNS | Director/PDMR Shareholding | Directors' Dealings |
| 06-May-10 12:14 | RNS | Director/PDMR Shareholding | Directors' Dealings |
| 05-May-10 07:00 | RNS | Director/PDMR Shareholding | Directors' Dealings |
| 15-Apr-10 07:00 | RNS | 510(K) approval for LiquiBand | Company Announcement - General |
| 23-Mar-10 12:12 | RNS | Director/PDMR Shareholding | Directors' Dealings |