Subject: Notification of appointing a person to be a share equalizer in rounding of shares (Balancer)

บริษัท ไฮโดรเท็ค จ ำกัด(มหำชน)

HYDROTEK PUBLIC COMPANY LIMITED

(Translation)

No. 032/0665

27 June 2022

Subject: Notification of appointing a person to be a share equalizer in rounding of shares (Balancer) Dear Directors and Managers

Stock Exchange of Thailand

According to the 2022 Annual General Meeting of Shareholders of Hydrotech Public Company Limited ("the Company"), held on 25 April 2022, it was resolved to approve the reduction of the registered capital and paid-up capital of the Company in the amount of 311,925,504.00 baht from the registered capital 623,851,008.00 baht, a new registered capital 311,925,504.00 baht by reducing the number of shares 3 1 1 ,9 2 5 ,5 0 4 shares with a par value of 1 baht per share to be in accordance with the ratio of 2 existing shares to 1 common share after the capital reduction (2:1) to clear the accumulated losses.

The fraction of the existing shares shall be discarded. The Company will compensate the fraction of the previously discarded shares as money to the shareholders. The Company appoint who is an employee of the Company and is not related person of the Company. As a mediator in the rounding of shares (Balancer) and pays the shareholders to equalize the shares so that the number of shares of the Company according to the resolution of the shareholders' meeting and as required by law

In the case of compensation for the fraction of the original shares that have been disregarded as money to the shareholders The compensation for such reimbursement is in accordance with Order of the Revenue Department No. Tor Por. 4 / 2 5 2 8 : Ordering payers of assessable income under Section 40 of the Revenue Code There is a duty to withhold income tax, which the company's reimbursement of compensation this time is an exception under Article 12/7, the payment of assessable income that is subject to withholding tax must be an amount according to a certain contract. amount from one thousand baht or more even if the payment will be split one time less than one thousand baht." The company is not obliged to withhold tax.

Yours sincerely,

Hydrotek Public Company Limited

(Mr. Bancherd Thongcharoen)

Chief Executive Officer

Authorized Signatory

เลขที่1 อาคาร ทีพี แอนด์ ที14ชั้นซอยวิภาวดีรังสิต19	14th Floor, TP&T Tower 1 Soi Vibhavadee-Rangsit 19	Tel :	[phone]-2
แขวงจตุจักรเขตจตุจักรกรุงเทพฯ10900	Chatuchak, Chatuchak, Bangkok 10900, Thailand	Fax :	[phone]
ทะเบียนเลขที่0107554000097	Registration No. 0107554000097