| Date | Acquired | Amount |
|---|---|---|
| Aug 01, 2013 |
|
Undisclosed amount |
| Nov 06, 2012 |
|
$ 60,000,000 |
| Jun 01, 2012 |
|
Undisclosed amount |
| Dec 14, 2010 |
|
$ 27,000,000 |
| Nov 17, 2010 |
|
£ 29,500,000 |
| Sep 26, 2001 |
|
Undisclosed amount |
| Jan 11, 2001 |
|
£ 5,000,000 |
