Bangchak Corporation Plc. Management Discussion & Analysis of Business Operation For the first quarter ended March 31st, 2019 Management Discussion and Analysis of Business Operation for Q1/2019

Thai Baht currency value of the transaction on the date of entry into the transaction or on each agreed payment instalment date of the agreement may be subject to change and may increase or decrease

on behalf of other person(s) / Report under Management of Partnership Stakes and Shares of Ministers Act, B.E. 2543 (2000) V In the case of holding on behalf of other person(s) (please specify the name

securities held on behalf of other person(s) / Report under Management of Partnership Stakes and Shares of Ministers Act, B.E. 2543 (2000) V In the case of holding on behalf of other person(s) (please specify

held on behalf of other person(s) / Report under Management of Partnership Stakes and Shares of Ministers Act, B.E. 2543 (2000) V In the case of holding on behalf of other person(s) (please specify the

the securities held on behalf of other person(s) / Report under Management of Partnership Stakes and Shares of Ministers Act, B.E. 2543 (2000) V In the case of holding on behalf of other person(s

other person(s) / Report under Management of Partnership Stakes and Shares of Ministers Act, B.E. 2543 (2000) V In the case of holding on behalf of other person(s) (please specify the name(s)): Total 0 0

behalf of other person(s) / Report under Management of Partnership Stakes and Shares of Ministers Act, B.E. 2543 (2000) V In the case of holding on behalf of other person(s) (please specify the name(s

in the securities held on behalf of other person(s) / Report under Management of Partnership Stakes and Shares of Ministers Act, B.E. 2543 (2000) V In the case of holding on behalf of other person(s

the changes in the securities held on behalf of other person(s) / Report under Management of Partnership Stakes and Shares of Ministers Act, B.E. 2543 (2000) V In the case of holding on behalf of other