Ch. Karnchang Public Company Limited Announces Resignation of Prasert Marittanaporn from the Directorship, Executive Director and Corporate Social and Environmental Responsibility Committee Member, Effective from January 14, 2022

CH. Karnchang Public Company Limited is a Thailand-based company. The Company is engaged in construction and provision of related services, and investment in infrastructure. Its segments include Construction and related service, and Investment in infrastructure business. It is engaged in its primary business of construction by accepting engagements from government agencies, state enterprises and private entities, in the form of main contractor or sub-contractor. It also has invested in regional, comprehensive infrastructure project development business. It has invested in transportation, mass rapid transit, water infrastructure, and electric power systems. These projects are carried out in the form of Build-Operate-Transfer or Build-Transfer-Operate or Build-Own-Operate or Build-Own-Operate-Transfer and others. Its subsidiaries include CH. Karnchang Realestate Company Limited Investment company, CH. Karnchang-Tokyu Construction Company Limited and CH. Karnchang (Lao) Company Limited.