9. Notice of cancellation must be delivered or mailed by first-class mail.

C. The following is added and supersedes any provisions to the contrary:

NONRENEWAL

1. If we elect to not renew this policy, we will mail, by first-class mail, written notice of nonrenewal to the first Named Insured, at the last mailing address known to us, at least 30 days before the expiration or anniversary date of this policy.

2. We need not mail this notice if:
   a. You have accepted replacement coverage;
   b. You have requested or agreed to nonrenewal; or
   c. This policy is expressly designated as nonrenewable.

3. If notice is mailed, proof of mailing is sufficient proof of notice.