All communications and notices hereunder shall (except as otherwise expressly permitted herein) be in writing and given as provided in Section 9.01 of the Credit Agreement (whether or not then in effect) or, with respect to any holder of obligations under any Other First Lien Agreement, addressed to the Authorized Representative of such holder at its address set forth in the applicable Other First Lien Secured Party Consent, as such address may be changed by written notice to Mortgagor.