. 1Q2017 vs. 4Q2017 UNIT: million baht 1Q2018 1Q2017 % yoy 4Q2017 % qoq Sales Revenue 4,631 4,246 9% 5,219 -11% EBITDA 211 312 -32% 387 -45% EBITDA Margin (%) 4.6% 7.3% -2.7% 7.4% -2.8% Stock Gain/(Loss

UNIT: Million Baht 1Q2020 1Q2019 % YoY 4Q2019 % QoQ Sales Revenue 5,227 2,816 86% 3,842 36% EBITDA 345 141 145% 226 53% EBITDA Margin (%) 6.6% 5.0% 1.6% 5.9% 0.7% Stock Gain/(Loss) & NRV 92 -74 -224% -13

THB 1Q2019 1Q2018 % YoY 4Q2018 % QoQ Sales Revenue 2,816 4,631 -39% 3,654 -23% EBITDA 143 211 -32% 286 -50% EBITDA Margin (%) 5.1% 4.6% 0.5% 7.8% -2.7% Stock Gain/(Loss) & NRV -74 -233 -68% -24 208

contribute high gross margin; 4) marketing activities to help dry stock at trade stores and prepare for new packaging launch in Q3; and 5) increased administrative expenses from higher personnel expenses to

% 227 EBITDA Margin (%) 8.9% 4.7% 4.1% -4.9% -0.6% 9.1% 5.3% -3.8% 1.3% Net Profit 204 71 55 -73% -23% 795 270 -66% 937 EPS (Baht/Share) 0.28 0.07 0.05 -81% -23% 1.07 0.30 -72% (1.42) Stock Gain/(Loss

-45% EBITDA Margin (%) 4.6% 7.3% -2.7% 7.4% -2.8% Stock Gain/(Loss) & NRV -233 -33 606% -62 276% Adjusted EBITDA(1) 444 345 29% 449 -1% Adjusted EBITDA Margin (%) 9.6% 8.1% 1.5% 8.6% 1.0% ก ำไรสทุธิ 64

President The Stock Exchange of Thailand K.C. Metalsheet Public Company Limited (“the Company”) would like to clarify the operating result of the financial statements as follows: Quarter 1 / year 2017 Quarter

บริษัท สำนักกฎหมายธรรมนิติ จำกัด Page 1 of 1 No. NDR010/2017 August 11, 2017 Subject Management Discussion and Analysis Report for Q2/2017 Attention: Directors and Manager, The Stock Exchange of

: BC.017/2018 May 11, 2018 Subject Interim Management’s Discussion and Analysis for the three months ended March 31, 2018 To The President The Stock Exchange of Thailand Management Discussion and

No. KCM63/005 May 15, 2020 Subject Management Discussion and Analysis Quarter 1st Ending March 31, 2020 Attention President The Stock Exchange of Thailand K.C. Metalsheet Public Company Limited (“the