Indorama Ventures Public Company Limited 75/102 Ocean Tower 2, 37th Floor, Sukhumvit 19 (Wattana), Asoke Road, Klongtoey Nuer, Wattana, Bangkok 10110, Thailand Tel : +66(0)2 661 6661 Fax : +66(0)2

Indorama Ventures Public Company Limited 75/102 Ocean Tower 2, 37th Floor, Sukhumvit 19 (Wattana), Asoke Road, Klongtoey Nuer, Wattana, Bangkok 10110, Thailand Tel : +66(0)2 661 6661 Fax : +66(0)2

179 BANGKOK CITY TOWER 10th FLOOR, SOUTH SATHORN ROAD, THUNGMAHAMEK SATHORN, BANGKOK 10120 PHONE : +66 (0) 2625 1188 FAX : +66 (0) 2625 1103 www.jubileediamond.co.th ท ี สก 14/2561 7 พฤศจกิายน 2561 เรอื

Ethan Frome บริษทั ลากูน่า รีสอรท์ แอนด ์โฮเท็ล จ ากดั (มหาชน) LAGUNA RESORTS & HOTELS PUBLIC COMPANY LIMITED 21/17B, 21/17C, 21/65, 21/66 and 21/68, Thai Wah Tower I, 7 th , 22 nd and 24 th Floor

Indorama Ventures Public Company Limited 75/102 Ocean Tower 2, 37th Floor, Sukhumvit 19 (Wattana), Asoke Road, Klongtoey Nuer, Wattana, Bangkok 10110, Thailand Tel : +66(0)2 661 6661 Fax : +66(0)2

Indorama Ventures Public Company Limited 75/102 Ocean Tower 2, 37th Floor, Sukhumvit 19 (Wattana), Asoke Road, Klongtoey Nuer, Wattana, Bangkok 10110, Thailand Tel : +66(0)2 661 6661 Fax : +66(0)2

เลขที่ HR 007 / 2542 No. AC 152/2561 KHON KAEN SUGAR INDUSTRY PUBLIC CO., LTD 503 K.S.L. TOWER, 9th FLOOR, SRIAYUDHYA ROAD, RAJATHEVI, BANGKOK 10400 26 December 2018 SUBJECT EXPLANATION FOR THE

Indorama Ventures Public Company Limited 75/102 Ocean Tower 2, 37th Floor, Sukhumvit 19 (Wattana), Asoke Road, Klongtoey Nuer, Wattana, Bangkok 10110, Thailand Tel : +66(0)2 661 6661 Fax : +66(0)2

Indorama Ventures Public Company Limited 75/102 Ocean Tower 2, 37th Floor, Sukhumvit 19 (Wattana), Asoke Road, Klongtoey Nuer, Wattana, Bangkok 10110, Thailand Tel : +66(0)2 661 6661 Fax : +66(0)2

Chaophaya Room, 3rd floor, Monthien Riverside Hotel located at 372 Rama III Road, Bangkhlo Sub-district, Bangkok and scheduled the name list of shareholders who have right to attend the Extraordinary General