IP: INTER PHARMA PUBLIC COMPANY LIMITED L&E: LIGHTING & EQUIPMENT PUBLIC COMPANY LIMITED PAP: PACIFIC PIPE PUBLIC COMPANY LIMITED PRINC: PRINCIPAL CAPITAL PUBLIC COMPANY LIMITED PSL: PRECIOUS SHIPPING

COMPANY LIMITED PROUD: PROUD REAL ESTATE PUBLIC COMPANY LIMITED PSG: PSG CORPORATION PUBLIC COMPANY LIMITED PSH: PRUKSA HOLDING PUBLIC COMPANY LIMITED PSL: PRECIOUS SHIPPING PUBLIC COMPANY LIMITED PSTC

LIMITED PRTR: PRTR Group Public Company Limited PSG: PSG CORPORATION PUBLIC COMPANY LIMITED PSH: PRUKSA HOLDING PUBLIC COMPANY LIMITED PSL: PRECIOUS SHIPPING PUBLIC COMPANY LIMITED PSP: P.S.P.Specialties

[COMPANY NAME] EFORL IR010/2018 March 20, 2018 Subject: Management Discussion and Analysis Yearly Ending 31 December, 2017 To President The Stock Exchange of Thailand 1. Overview financial

[COMPANY NAME] Ref.: EFORL IR008/2019 March 7, 2019 Subject: Management Discussion and Analysis Yearly Ending 31 December, 2018 To President The Stock Exchange of Thailand 1. Overview financial

[COMPANY NAME] EFORL 009/2019 March 7, 2019 Subject: Notification the waiver of subscription right to capital increase of WCI Holding Public Company Limited for the second allotment of newly increase

[COMPANY NAME] Ref.: EFORL IR 024/2019 August 15, 2019 Subject: Management Discussion and Analysis Quarter 2 Ending 30 June 2019 To President The Stock Exchange of Thailand 1. Overview financial

[COMPANY NAME] Ref.:EFORL020/2018 May 15, 2018 Subject: Management Discussion and Analysis for the first quarter ended 31 March 2018 To President The Stock Exchange of Thailand 1. Overview financial

[COMPANY NAME] Ref.: EFORL IR 037/2018 August 15, 2018 Subject: Notification of allocation and subscription of capital increase ordinary shares of WCI Holding Public Company Limited. (Edit) To: The

[COMPANY NAME] Ref.: EFORL IR 036/2019 November 14, 2019 Subject: Management Discussion and Analysis Quarter 3 Ending 30 September 2019 To President The Stock Exchange of Thailand 1. Overview