Any notice required to be given or delivered to the Secretary of the Company under the terms of this Agreement shall be in writing and addressed to the Company at its principal corporate office at 436 Seventh Avenue, Pittsburgh, PA 15219.  Any notice required to be given or delivered to Optionee shall be in writing and addressed to Optionee at the address indicated below Optionee’s signature line on the Grant Notice.  All notices shall be deemed effective upon personal delivery or upon deposit in the U.S. mail, postage prepaid and properly addressed to the party to be notified.