Unum Group (UNM)

By mail

If you are a holder of record and received a printed copy of the proxy materials, complete, sign, and date the proxy card and return it in the accompanying pre-addressed, stamped envelope. Your vote by mail must be received by our tabulator, Computershare Investor Services, at the below address by the close of business on May 21, 2009.

Proxy Services

c/o Computershare Investor Services

P.O. Box 43126

Providence, RI 02940-5138

If you hold your shares in “street name” and you received a printed copy of the proxy materials, please refer to the voting instruction card provided to you by your broker, bank or other holder of record for mailing instructions.

Note that the Internet and telephone voting procedures are designed to authenticate stockholders’ identities, allow stockholders to give their voting instructions and confirm that stockholders’ instructions have been recorded properly. We have been advised that the Internet and telephone voting procedures that have been made available to you are consistent with the requirements of applicable law. If you incur usage charges from Internet access providers and telephone companies or any other charges in connection with voting via the Internet or telephone, these charges must be paid by you.

Table of Contents

You may also vote in person at the Annual Meeting. If you are a beneficial owner of shares, you must obtain a legal proxy from your broker, bank or other holder of record and present it to the inspectors of election with your ballot to be able to vote at the meeting. If you intend to vote in person, please notify the tellers prior to the beginning of the meeting.

By Mail

If you requested that a printed copy of the proxy materials be mailed to you, you should complete, sign, and date the proxy card or voting instruction card and return it in the enclosed self-addressed, stamped envelope. Your vote by mail must be received by our tabulator, Computershare Investor Services, at the below address by the close of business on May 21, 2008.

Proxy Services

c/o Computershare Investor Services

P.O. Box 43126

Providence, RI 02940-5138

By Mail

Complete, sign, and date the proxy card or voting instruction card and return it in the enclosed self-addressed, stamped envelope. Your vote by mail must be received by our tabulator, Computershare Investor Services, at Proxy Services c/o Computershare Investor Services, P.O. Box 43102, Providence, RI 02940-5068 by the close of business on May 17, 2007.

By Mail

Complete, sign, and date the proxy card or voting instruction card and return it in the enclosed self-addressed, stamped envelope. Your vote by mail must be received by the close of business on May 15, 2006.