Sales Analysis and Sales and Administration Analysis The Gross Profit margin was 15% in Q317 up from Q316 at 14% due to increased sales volume. Page 1 of 3 Operating Profit Analysis Year‐on‐year operating

Electronics PCL has the pleasure of submitting fiscal year 2017 operating results of the Company and its subsidiaries ("the Group") based on audited consolidated financial statements for the period ended

(Ayutthaya, Thailand) 33% 34% 35% 34% 31% IC (Jiaxing, China) 4% 4% 6% 5% 6% HTI (Ohio, USA) 4% 5% 5% 4% 4% 100% 100% 100% 100% 100% Gross Profit / Cost of Sales Analysis and Sales and Administration Analysis

% 34% IC (Jiaxing, China) 5% 4% 4% 6% 5% HTI (Ohio, USA) 5% 4% 5% 5% 4% 100% 100% 100% 100% 100% Gross Profit / Cost of Sales Analysis and Sales and Administration Analysis The Gross Profit margin was 1

% Gross Profit / Cost of Sales Analysis and Sales and Administration Analysis The Gross Profit margin was 5 percentage points lower at 11% in Q118 down from Q117 at 16% due to stronger THB/USD exchange rate

% HMT (Ohio, USA) 4% 4% 5% 4% 5% 100% 100% 100% 100% 100% Gross Profit / Cost of Sales Analysis and Sales and Administration Analysis The Gross Profit margin was 1 percentage points lower at 14% in Q218

Profit / Cost of Sales Analysis and Sales and Administration Analysis The Gross Profit margin was 6 percentage points lower at 12% in Q319 down from Q318 at 18% due to reduced economies of scale from lower

% 4% 100% 100% 100% 100% 100% Gross Profit / Cost of Sales Analysis and Sales and Administration Analysis The Gross Profit margin was 7 percentage points higher at 15% in Q120 up from Q119 at 8% due to

Zen Corporation Group Public Company Limited 782/1 Soi Onnuch 17, Suanluang, Bangkok 10250 THAILAND. Tel: 02-0195000 28 February 2019 No. ZEN 2562-010 Subject Management Discussion and Analysis for

Zen Corporation Group Public Company Limited 782/1 Soi Onnuch 17, Suanluang, Bangkok 10250 THAILAND. Tel: 02-0195000 13 May 2019 No. ZEN 2562-018 Subject Management Discussion and Analysis for 3