Ubon Bio Ethanol Public : Change of the Company's Branch Office Address (Bangkok Office)

[ Translation ]

UBE.LOS. 017-2565

August 11, 2022

Subject:	Change of the Company's Branch Office (Bangkok Office)
To:	The President of The Stock Exchange of Thailand

Ubon Bio Ethanol Public Company Limited (the "Company" or "UBE") would like to inform that from August 15, 2022 onwards, the Company's Bangkok Office (Branch Office) will be change its address as the following details:

Bangkok Office - Existing Address	Bangkok Office - New Address
123 Sun Tower, Tower A, Floor 21, Room 2105,	130-132 Sindhorn Tower 2
Vibhavadi Rangsit Road, Chom Phon,	7th Floor, Wireless Road, Lumpini, Pathumwan,
Chatuchak Bangkok 10900	Bangkok 10330

The Company's head office and contact number will remain unchanged.

Please be informed accordingly,

Sincerely yours,

Ubon Bio Ethanol Public Company Limited

-Signed-

(Ms. Sureeyot Khowsurat)

Managing Director

Effective date : 01/07/2565 , FO-GR-02 R01