collaterals in margin accounts have experienced price volatility and declines due to various factors. When stock prices drop, the value of the collaterals is subsequently affected, leading brokers to forcibly

. 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