| Filed On | Filing |
|---|---|
| 03 May 2022 | SC 13G |
| 10 Feb 2020 | SCHEDULE 13G HOLDINGS REPORT |
| 22 Apr 2019 | APRIL 19, 2019 |
| 18 Jan 2019 | JANUARY 18, 2019 |
| 11 Dec 2017 | SC 13G |
| 21 Sep 2015 | SC 13G |
| 10 Feb 2015 | SCHEDULE 13G HOLDINGS REPORT |
| 14 Feb 2014 | SC 13G |
| 03 Feb 2014 | SC 13G |
| 13 Feb 2013 | SC 13G |
| 10 Jan 2013 | SC 13G |
| 07 Feb 2012 | SC 13G |
| 14 Feb 2011 | SC 13G |
| 11 Feb 2010 | SC 13G |
| 09 Nov 2009 | SC 13G |
| 14 Jul 2009 | PICTET ASSET MANAGEMENT SA |
| 13 May 2009 | SC 13G |
| 08 May 2008 | SC 13G |
| 08 Nov 2006 | TRANSALTA CORPORATION - SC 13G |
| 26 Apr 2006 | SC 13G |
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