internal control system accounted for the business of the wrongdoer, in whole or in part; (c) such unlawful act occurred by the act or knowledge of the wrongdoer’s senior officer or a group of senior

PTT Position in Thai Oil Mr. Atikom Terbsiri Director / Member of the Risk Management Committee Senior Executive Vice President President and Chief Executive Officer / Director /Member of the Risk

declined from the end of last year, while the ratio of non-performing loan (NPL) to total loans increased from the end of 2019. The BOT’s Senior Loan Officer Survey indicated that in the first quarter of

Type of Instruments December 2019 September 2019 December 2018 Change (%) Amount Portion Amount Portion Amount Portion September 2019 December 2018 Senior unsecured notes 99,530 66.3% 101,007 66.0

7.43 (5.25) 4. Other issues On 7 July 2017, TRIS Rating affirmed the company rating and senior unsecured debenture rating of Eastern Water Resources Development and Management PLC at “A+” with “stable

2017. Please be informed accordingly. Sincerely yours, (Ms. Apinya Jarutrakulchai) Senior Executive Vice President Accounting and Financial Department Tel: 0-2677-7000 Fax: 0-2677-7011-2

2016 Change (%) Amount Portion Amount Portion Amount Portion September 2017 December 2016 Senior unsecured notes 98,003 86.6% 100,105 73.9% 107,556 74.7% (2.1)% (8.9)% Unsecured subordinated notes 14,692

scheduled to achieve COD in 2Q2019-1Q2020.  Tris Rating affirmed the company rating and senior unsecured debentures at A- with Stable Outlook. 3 PERFORMANCE BY BUSINESS Total Revenue of Utilities Business

104.23 27.33 152.49 Above/(below) average (2006-2017) 18.97 1.31 6.78 10.74 (1.67) 45.91 4. SIGNIFICANT EVENTS As of 12 July 2018, TRIS Rating affirmed the company rating and senior unsecured debenture

2018, TRIS Rating affirmed the company rating and senior unsecured debenture rating of Eastern Water Resources Development and Management PLC at “A+” with “stable” outlook, which reflects the company’s