| Rating Code | 
        Rating Agency | 
        Effective Date | 
        End Date | 
        Rating Action | 
        Rating Outlook | 
        Rating Watch | 
    
    
        | D | 
        TRIS RATING COMPANY LIMITED | 
        27 May 2020 | 
         | 
        Downgrade | 
        Downgrade | 
         |  
    
    
        | C | 
        TRIS RATING COMPANY LIMITED | 
        19 May 2020 | 
        27 May 2020 | 
        Unclassified | 
        Unclassified | 
         |  
    
    
        | BBB | 
        TRIS RATING COMPANY LIMITED | 
        16 May 2020 | 
        19 May 2020 | 
        Unclassified | 
        Unclassified | 
         |  
    
    
        | A | 
        TRIS RATING COMPANY LIMITED | 
        2 Apr 2020 | 
        16 May 2020 | 
        Unclassified | 
        Unclassified | 
         |  
    
    
        | A | 
        TRIS RATING COMPANY LIMITED | 
        29 Oct 2019 | 
         | 
        Unclassified | 
        Unclassified | 
         |  
    
    
        | A | 
        TRIS RATING COMPANY LIMITED | 
        11 Apr 2019 | 
        29 Oct 2019 | 
        Unclassified | 
        Unclassified | 
         |  
    
    
        | A | 
        TRIS RATING COMPANY LIMITED | 
        14 Jan 2019 | 
         | 
        Unclassified | 
        Unclassified | 
         |  
    
    
        | A | 
        TRIS RATING COMPANY LIMITED | 
        26 Jul 2018 | 
        14 Jan 2019 | 
        Unclassified | 
        Unclassified | 
         |  
    
    
        | A | 
        TRIS RATING COMPANY LIMITED | 
        16 Feb 2018 | 
        26 Jul 2018 | 
        Unclassified | 
        Unclassified | 
         |  
    
    
        | A | 
        TRIS RATING COMPANY LIMITED | 
        10 Jan 2018 | 
        16 Feb 2018 | 
        Unclassified | 
        Unclassified | 
         |  
    
    
        | A | 
        TRIS RATING COMPANY LIMITED | 
        13 Jun 2017 | 
        10 Jan 2018 | 
        Unclassified | 
        Unclassified | 
         |  
    
    
        | A | 
        TRIS RATING COMPANY LIMITED | 
        16 Dec 2016 | 
        13 Jun 2017 | 
        Unclassified | 
        Unclassified | 
         |  
    
    
        | A | 
        TRIS RATING COMPANY LIMITED | 
        12 Jan 2016 | 
        16 Dec 2016 | 
        Unclassified | 
        Unclassified | 
         |  
    
    
        | A+ | 
        TRIS RATING COMPANY LIMITED | 
        17 Sep 2015 | 
        12 Jan 2016 | 
        Unclassified | 
        Unclassified | 
         |  
    
    
        | A+ | 
        TRIS RATING COMPANY LIMITED | 
        9 Apr 2015 | 
        17 Sep 2015 | 
        Unclassified | 
        Unclassified | 
         |  
    
    
        | A+ | 
        TRIS RATING COMPANY LIMITED | 
        15 Dec 2014 | 
        9 Apr 2015 | 
        Unclassified | 
        Unclassified | 
         |  
    
    
        | A+ | 
        TRIS RATING COMPANY LIMITED | 
        6 Feb 2014 | 
        15 Dec 2014 | 
        Unclassified | 
        Unclassified | 
         |  
    
    
        | A+ | 
        TRIS RATING COMPANY LIMITED | 
        27 Dec 2013 | 
        6 Feb 2014 | 
        Unclassified | 
        Unclassified | 
         |  
    
    
        | A+ | 
        TRIS RATING COMPANY LIMITED | 
        27 Aug 2013 | 
        27 Dec 2013 | 
        Unclassified | 
        Unclassified | 
         |  
    
    
        | A+ | 
        TRIS RATING COMPANY LIMITED | 
        10 May 2013 | 
        27 Aug 2013 | 
        Affirm | 
        Affirm | 
         |  
    
    
        | A+ | 
        TRIS RATING COMPANY LIMITED | 
        7 Mar 2013 | 
        9 May 2013 | 
        Affirm | 
        Affirm | 
         |  
    
    
        | A+ | 
        TRIS RATING COMPANY LIMITED | 
        3 Oct 2012 | 
        6 Mar 2013 | 
        Affirm | 
        Affirm | 
         |  
    
    
        | A+ | 
        TRIS RATING COMPANY LIMITED | 
        23 Apr 2012 | 
        2 Oct 2012 | 
        Affirm | 
        Affirm | 
         |  
    
    
        | A+ | 
        TRIS RATING COMPANY LIMITED | 
        1 Feb 2012 | 
        22 Apr 2012 | 
        Affirm | 
        Affirm | 
         |  
    
    
        | A+ | 
        TRIS RATING COMPANY LIMITED | 
        17 Dec 2010 | 
        31 Jan 2012 | 
        Assign | 
        Assign | 
         |