Sakhon 74110 Thailand. E-mail: aienergy@aienergy.co.th บริษัท เอไอ เอนเนอร์จี จ ำกดั (มหำชน) AI Energy Public Company Limited ทะเบียนเลขที ่ 0107556000311 AIE 028/2019 5 April 2019 Subject: Management’s

quarter of 2021, Refined Glycerine has a lower cost of sales than those in the 1st quarter of 2020 by 85.72% or 55.35%. The market price of refined glycerine is increasing in corresponding with the limited

overall selling price decrease, especially for Caustic Soda due to the fall of its market price trend, plus impact from appreciation of Thai Baht against US Dollar. However, those negative impacts were

newly issued ordinary shares, including, but not limited to, the following: (a) allocating the newly issued ordinary shares, whether single or sequential allocations, payment of the share price, other

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 001/2020 24 February 2020 Subject

of UBIS (Asia) Public Company Limited (“the Company”) held on July 16, 2019, it was resolved that the Company enter into a connected transaction of the contact of land lease with factory building and

Company Limited (“the Company”) held on September 22, 2020, it was resolved that the Company enter into a connected transaction of the contract of land lease with factory building at Bangpoo plant and the

proportion of 51 percent 2. Capital Increase Form (F53-4) 3. Information Memorandum regarding the offer of newly issued shares by capital increase of East Coast Public Company Limited to the specific person

not limited to, the following: (a) allocating the newly issued ordinary shares , whether single or sequential allocations, payment of the share price, other conditions and details in connection with the

ordinary shares, including, but not limited to, the following: (a) allocating the newly issued ordinary shares , whether single or sequential allocations, payment of the share price, other conditions and