Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No EMC Mr. Chinchai Leenabunjong Disposition Stock 20.065 0.0711

Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No YCI Mr. Chirasak Chiyachantana Acquisition Stock 3.9546 6.3174

Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No W Mr. Kritsada Pruitipat Disposition Stock 5.1649 0.2795

Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No OCEAN Mr. Jirat Tritrakulchai Disposition Stock 6.3018 1.7105

Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No JSP Mr. Likhit Luesakulkitpaisal Disposition Stock 12.9678

Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No SABUY Miss Paranya Rudjanapornpajee Acquisition Stock 4.9625

Before Acquisition/ Disposition 2 % Group of Held Acquisition/ Disposition 2 % Group of Held After Acquisition/ Disposition 2 Remark 3 File No IP Mr. Trinnawat Thanitnithiphan Disposition Stock 40.4852

ZIGA INNOVATION PUBLIC COMPANY LIMITED 999/9,10,11 MOO 9 NAIKLONGBANGPLAKOD, PHASAMUDJADEE, SAMUDPRAKARN 10290 Tel. 02-816-9315 Fax. 02-816-9315 #444 NO. ZIGA 007/2020 15 May 2020 Subject: Management

บริษทั เค.ซี.เมททอลชีท จาํกดั (มหาชน) K.C. METALSHEET Public Company Limited Reg. No. 0107557000331 567 หมู่ที 2 ถนนเลียงเมือง ตาํบลพระลับ อาํเภอเมืองขอนแก่น จังหวัดขอนแก่น โทร. -4332-7888 แฟกซ

No. INGRS050 15th June 2020 Subject : Explanation on 3-months financial performance of INGRS for the period ended 30 April 2020 To : The President The Stock Exchange of Thailand Ingress Industrial