All notices, certificates, requests or other communications hereunder shall be in writing except as provided herein, and shall be deemed to be sufficiently given when mailed by first class mail, postage prepaid, and addressed to the appropriate Notice Address. Any notices required hereunder to be given in writing may be given by telecopy or other similar means of facsimile or electronic transmission. A duplicate copy of each notice, certificate, request or other communication required to be given hereunder to the Issuer, the Company or the Trustee shall also be given to the others. The Company, the Issuer and the Trustee, by notice given hereunder, may designate any further or different addresses to which subsequent notices, certificates, requests or other communications shall be sent.