Page 201 - 56-1 One Report 2022 EN

Part 2 Corporate Governance

committees directly report to the Board, i.e. Audit and Risk Committee and Nomination and Compensation
Committee. The performance in 2022 and key duties of the Audit and Risk Committee are as summarized in the
above-mentioned item 8.2.2. As for the performance and key duties of the Nomination and Compensation
Committee, they are summarized below:

List of Sub-Committee and Members
As of December 31, 2022 Summary of key duties and responsibilities

The Nomination and Compensation The Nomination and Compensation Committee assisted the Board in
Committee the determination of the nomination and compensation procedures of
ACM. Maanat Wongwat (Chairman) directors and executives, considered the performance results for Chief
Mr. Somprasong Boonyachai Executives Officers and high-level Executives, as well as reviewed the

Mr. Boonchai Thirati Board’s composition and Board’s assessment, and considered
succession planning. In addition, the Committee helped to consider

and ensure that the compensation criteria and policy for directors and

executives are commensurate with their roles and responsibilities in
order to motivate and retain the high-quality leaders in the Company.

The Committee also provided an orientation program for a new director.

With regard to the information on the number of meetings of the

Nomination and Compensation Committee, it can be considered in the
above-mentioned item 8.1.2: The Board of Directors’ Attendance and

Remuneration. More detail on its performance during 2022 can be
found in attachment no. 5.

Summary of the Committees of Management’s performance

Apart from the establishment of sub-committees, the Board also appointed Committees of Management that is
responsible for consideration of other matters in relation to business operation and management, risk management,
operating results, and sustainability of the Company. In case there are any specific matters that must be informed
or approved by the Board, the Committees of Management will report and propose such matters to the Board
accordingly. In 2022, the Committees of Management comprise (1) Management Committee, which reports directly
to the Board, (2) Risk Management Committee, which reports directly to the Audit and Risk Committee, and (3)
Sustainable Development Committee, which reports directly to the Management Committee. The list of members of
each Committee of Management, along with its key duties and responsibilities, as well as its performance in 2022,
are as summarized below:

Part 2 page 77