Filings
| 28 Dec 2011 |
| Transactions in connection with share buyback program | 19 Dec 2011 |
| DPTG initiates enforcement proceedings against TPSA in the US | 13 Dec 2011 |
| Transactions in connection with share buyback program | 8 Dec 2011 |
| Transactions in Connection with Share Buyback Program | 29 Nov 2011 |