National Credit Ratings Credit ratings assigned or confirmed by Expert RA ruAAA 23 November 2023 ruAAA 25 November 2022 ruAAA 26 November 2021 ruAAA 26 November 2020 ruAAA 26 November 2019 ruAAA 30 November 2018

Credit ratings assigned or affirmed by international agencies Credit ratings assigned or confirmed by Fitch Ratings Withdrawn 01 April 2022 CC 11 March 2022 B 04 March 2022 BBB— 10 August 2021 BBB— 08 June 2020 BBB— 08 November 2019 BBB— 1 March 2018 BBB— 19 October 2016 BBB— 23 July 2015 BBB— 15 January 2015 BBB— 22 July 2014 ВВ+ 24 April 2013 ВВ+ 13 August 2012 ВВ+ 19 August 2011 ВВВ— 28 March 2011 ВВВ— 5 November 2009 ВВВ— 11 August 2009 BBB— 30 March 2009 BBB— 23 August 2007 BBB— 25 June 2007 BBB— 2 November 2006 BBB— 21 December 2005

Credit ratings assigned or confirmed by Standart & Poor’s Withdrawn 01 April 2022 CCC— 07 March 2022 BBB— 26 October 2021 BBB— 27 October 2020 BBB— 11 October 2019 BBB— 4 December 2018 BBB— 27 October 2017 BBB— 20 September 2016 BBB— 30 December 2014 BBB— 29 April 2014 BBB— 7 October 2013 BBB— 23 April 2013 BBB— 26 September 2011 BBB— 23 May 2011 BBB— 15 February 2011 BBB— 20 December 2010 BBB— 27 July 2010 BBB— 13 February 2009 BBB— 20 August 2008 BBB— 4 March 2008 BBB— 21 December 2007 BBB— 8 August 2006 BB+ 10 August 2005 BB 9 August 2004

Credit ratings assigned or confirmed by Moody’s Withdrawn 31 March 2022 Cаа2 10 March 2022 Ваа2 18 December 2020 Ваа2 12 February 2019 Baa3 29 January 2018 Ba1 21 February 2017 Ba1 26 April 2016 Ba1 22 January 2016 Ba1 4 December 2015 Ba1 25 February 2015 Baa3 20 January 2015 Baa2 23 December 2014 Baa2 21 October 2014 Baa2 24 April 2013 Baa2 11 July 2012 Baa2 25 June 2007 Baa2 9 October 2006 Baa1 24 October 2005 Ba1 9 August 2004