Any notice or communication required to be in writing hereunder shall be given by any of the following means: registered, certified, or first class mail or ground or air courier, or mutually agreed electronic means such as email and PDF. Such notice or communication shall be sent to the respective Parties at the address listed below. Except as expressly provided herein, any notice shall be deemed to have been given when sent. Any notice given by first class mail shall be considered sent at the time of posting and, if sent by ground or air courier, such notice shall be deemed sent one (1) Business Day after delivery to the courier.