| Date | Acquired | Amount |
|---|---|---|
| Sep 07, 2017 |
|
£ 80,000,000 |
| Apr 19, 2016 |
|
£ 75,000,000 |
| Apr 30, 2015 |
|
$ 246,000,000 |
| Sep 04, 2013 |
|
Undisclosed amount |
| Jun 03, 2013 |
|
Undisclosed amount |
| Dec 21, 2012 |
|
Undisclosed amount |
| May 10, 2012 |
|
Undisclosed amount |
| Aug 03, 2010 |
|
Undisclosed amount |
| Aug 07, 2009 |
|
Undisclosed amount |
| Jul 15, 2009 |
|
Undisclosed amount |
