1 Translation CEN 001-2021 March 1, 2021 Subject Management Discussion and Analysis for the year 2020 To The Manager and President The Stock Exchange of Thailand Capital Engineering Network Public

Company Limited (“BTS”) and Sino-Thai Engineering and Construction Public Company Limited ("STEC")), to submit a Public-Private Partnership proposal and to enter into a Public-Private Partnership Agreement

Commodity Polymer ลดลงรอ้ยละ 3.01, หน่วยธุรกจิ Specialty and Engineering Polymer ลดลงรอ้ยละ 19.78, และหน่วยธุรกจิ Specialty Chemical เพิมขึ:นรอ้ยละ 2.39 ยอดขายรวม ทีลดลงรอ้ยละ 10.94 นั:นสาเหตุหลักมาจากราคาสิน

Manager The Stock Exchange of Thailand The Board of Director’s meeting No. 6/2020 of General Engineering Public Company Limited (“the Company”) held on November 16, 2020 has approved and verified the

growth in sales for Halcyon Tools and Engineering Co., Ltd. (HENG), our new subsidiary distributor in the Eastern Region established in Q4/2017. HENG had a total revenue of THB 39.70 million in 2017, and

ที่ผ่านเตา(ปูนขาวและปูนขาวไฮเดรต), แคลเซียมคาร์บอเนต(CaCo3), กลุ่มสินค้าซื้อมาขายไป, และการจ าหน่ายสินค้าและบริการในกลุ่มเครื่องจักรและ อุปกรณ์ (Engineering) ในช่วงครึ่งแรกของปี 2560 เปรียบเทียบกับช่วง

period ended June 30, 2017 of Capital Engineering Network Public Company Limited (“Company”) and its subsidiaries as profit 0.13 Million Baht as 103.62 Million Baht increased when compared to the same

months period ended September 30, 2017 of Capital Engineering Network Public Company Limited (“Company”) and its subsidiaries as profit 26.59 Million Baht as 73.99 Million Baht increased when compared to

/2016, the Company set up another subsidiary namely Halcyon Tools and Engineering Co., Ltd. (HENG) as a distributor in the Eastern region. The new subsidiary has part of its customers transferred from

value added to medical service business from the Company as being supporter of medical engineering for dialysis unit and operating dialysis unit business by KT Medical services Co., Ltd. (“KTMS