NOVEMBER Received a certificate of quality management system ISO 14001:2015, an international standard for environmental management, using the Environmental Management System according to international standards. as a guideline for systematic management It is considered to reinforce the environmental mission towards sustainable development at the next level. DECEMBER Sign a new project contract Selling steam energy with Botany Petcare Company Limited. Total project value is 322,000,000 baht (three hundred and twenty-two million baht only). Service period according to the contract is 10 years, contract starts on 15 Dec. 2023.

MARCH The 2022 Annual General Meeting of Shareholders resolved to transform into a public limited company by changing the name to Twenty-Four Con & Supply Public Company Limited, converting the par value from 100 baht per share to 0.50 baht per share and has a resolution to increase the registered capital of the company from 150.00 million baht to 215.00 million baht, divided into 430.00 million ordinary shares with a par value of 0.50 baht per share, with the allocation of 130.00 million newly issued shares to be offered to the public. On March 24, 2022, the Company registered the conversion from a limited company to a public limited company with the Ministry of Commerce. SEPTEMBER The Company offered IPO shares between September 23, 26 – 27, 2022 and have the first trading day on the Stock Exchange of Thailand on October 3, 2022.

JANUARY Obtained ISO 9001:2015 (The trading, installation and maintenance of heating, ventilation and air-conditioning system, electrical system and plumbing system) AUGUST Increased the Company’s registered capital to 150.00 million baht by issuing 1,250,000 new ordinary shares, with a par value of 100 baht and fully paid up, for investment in service expansion and working capital.