ที่ กตพ Ref. DBP. 108 / 2019 August 13, 2019 Subject : Clarification on Operating Results for the 2nd quarter and 6-month Period ending June 30, 2019 To : President The Stock Exchange of Thailand

Ref. DBP. 153 / 2019 November 11, 2019 Subject : Clarification on Operating Results for the 3rd quarter and 9-month Period ending September 30, 2019 To : President The Stock Exchange of Thailand

Ref. No. IVL 005/11/2019 11 November 2019 The President The Stock Exchange of Thailand Subject: Submission of Quarterly Review of Financial Statements and the Management Discussion and Analysis of

-Translation- Ref. No. PorBor. 001 / 2020 January 6, 2020 Subject: Notifying the resolution of the Board of Directors’ Meeting and Schedule of Entering into Transaction of Disposing of Subsidiary’s

Bangkok Bank Public Company Limited (Registration No. 0107536000374) 333 Silom Road Bangrak Bangkok 10500 Thailand Tel. (662) 231-4333 Fax (662) 231-4890 www.bangkokbank.com 110 Ref. No.: SSD./REG

Ref. No. IVL 002/05/2020 12 May 2020 The President The Stock Exchange of Thailand Subject: Submission of Quarterly Review of Financial Statements and the Management Discussion and Analysis of

-Translation- Ref. No. PorBor. 029 / 2020 19 June 2020 Subject: Entering into Transaction of Disposing of Subsidiary’s Machines for the Debenture Debt repayment (Additional information) To: President

Industry Public Company Limited (“KSL”). Therefore, to effectively seek additional sources of fund as a channel of fund raising to adequately support the expansion, enhancement and strengthening of bio-based

expense increased 17.6% year-on-year from Baht 939 million in 2016 to Baht 1,104 million in 2017, primarily attributable to an increase in staff to support our business expansion and the inclusion of

เงินมดัจ าจ านวน 20 ล้านบาท ภายหลงัท่ีได้รับอนมุตัิจากท่ีประชมุคณะกรรมการบริษัท บริษัทจะใช้ท่ีดินประมาณ 5 ไร่ ก่อสร้างอาคาร 3 ชัน้ และอาคาร support ของโรงพยาบาลวฒันแพทย์ สมยุ และ พืน้ท่ีสว่นท่ีเหลือจะ