| Type of Credit | Rating Agency | Credit Rating | Rating Outlook | Issue Date | Download |
|---|---|---|---|---|---|
| Company Rating | TRIS | AA | Stable | 27 June 2018 | |
| Company Rating | TRIS | AA | Stable | 27 July 2017 | |
| Company Rating | TRIS | AA | Stable | 23 March 2017 | |
| Company Rating | TRIS | AA | Stable | 24 June 2016 | |
| Company Rating | TRIS | AA | Stable | 12 May 2015 | |
| Company Rating | TRIS | AA | Stable | 21 April 2014 |