act on behalf of the chairman. Article 16 -  All directors shall attend every Board of Directors’ meeting; in case any of the directors cannot  attend the meeting for any cause whatsoever, he/she may designate the other directors to act on  his/her behalf and such agent shall present the proxy setting forth the vested power of the purpose  of the meeting each time. However, each agent shall only accept one appointment from the  directors. Article 17 -  The supervisors shall perform the following functions: (1)  To investigate the business and financial condition of the Company; (2)  To inspect the books, records and documents of the Company; and (3)  Other powers granted by the laws and regulations. Article 18 -  In addition to performing the functions of a supervisor in accordance with the relevant laws, the  supervisors may attend the Board of Directors’ meeting to express his/her opinion but may not  participate in any voting. Article 18-1  (deleted). Article 18-2  The Company may purchase liability insurance policies for directors and supervisors during  the term of their offices and within the scope of damages results from the performances of their  official duties in order to reduce and disperse the risks for the Company and shareholders due  to the fault, mistake, violation of duty, and inaccurate or misleading statements on part of the  directors and supervisors during the performance of their duties. Article 19 -  The Company shall have one (1) chief executive officer, to be served as a concurrent post by the  chairman or by the president, to lead the managers in proposing and making significant policy  decisions regarding to the Company and all affiliates of the Company. Article 20 -  The president shall, in accordance with the decision made by the Board of Directors and with  instruction from the chief executive officer, take charge of the affairs of the Company, and shall  have the authority to sign on behalf of the Company; the executive vice presidents and senior vice  presidents shall assist the president in all affairs, and shall have the power to sign on behalf of the  Company within the scope set by rules decided by the president or authorized in writing by the  president. Chapter VI - Accounting Chapter V - Managerial Officers Except as otherwise provided in the relevant laws or this Articles of Incorporation, any resolution  of a Board of Directors’ meeting shall be adopted at a meeting which at least general majority of  the directors attend and at which meeting a general majority of the directors present vote in favor  of such resolution. Minutes of meetings shall be prepared for all resolutions adopted at a Board of Directors’ meeting. The Company shall have one (1) president, several executive vice presidents, senior vice  presidents, and the presidents of laboratory and institute. The president shall be a director with  professional knowledge in telecommunication business. The division of powers and duties between the Board of Directors and the president shall be  determined in accordance with the Powers and Duties Chart. 6