At each meeting of the Board or any committee thereof, the Chairman or the chairman of such committee, as the case may be, or, in his or her absence or if there be none, a Director chosen by a majority of the directors present, shall act as chairman. Except as provided below, the Secretary shall act as secretary at each meeting of the Board and of each committee thereof. In case the Secretary shall be absent from any meeting of the Board or of any committee thereof, an Assistant Secretary shall perform the duties of secretary at such meeting; and in the absence from any such meeting of the Secretary and all the Assistant Secretaries, the chairman of the meeting may appoint any person to act as secretary of the meeting. Notwithstanding the foregoing, the members of each committee of the Board may appoint any person to act as secretary of any meeting of such committee and the Secretary or any Assistant Secretary may, but need not if such committee so elects, serve in such capacity.