Registered Notes The Company shall cause to be kept at its principal office a register for the registration and transfer of the Notes, and the Company will register or transfer or cause to be registered or transferred, as hereinafter provided, any Note issued pursuant to this Agreement. At any time and from time to time the holder of any Note which has been duly registered as hereinabove provided may transfer such Note upon surrender thereof at the principal office of the Company duly endorsed or accompanied by a written instrument of transfer duly executed by the holder of such Note or its attorney duly authorized in writing. The Person in whose name any Note shall be registered shall be deemed and treated as the owner and holder thereof for all purposes of this Agreement. Payment of or on account of the principal, premium, if any, and interest on any Note shall be made to or upon the written order of such holder.