UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934

Filed by the Registrant x                            Filed by a Party other than the Registrant ¨

Check the appropriate box:

¨ Preliminary Proxy Statement

¨ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

¨ Definitive Proxy Statement

x Definitive Additional Materials

¨ Soliciting Material Pursuant to §240.14a-12

THE PHOENIX COMPANIES, INC.

(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

Payment of Filing Fee (Check the appropriate box):

x No fee required.

¨ Fee computed on table below per Exchange Act Rules 14a-6(i)(1) and 0-11.

(1) Title of each class of securities to which the transaction applies:

(2) Aggregate number of securities to which the transaction applies:

(3) Per unit price or other underlying value of the transaction computed pursuant to Exchange Act Rule 0-11 (set forth the amount on which the filing fee is calculated and state how it was determined):

(4) Proposed maximum aggregate value of the transaction:

(5) Total fee paid:

¨ Fee paid previously with preliminary materials.

¨ Check box if any part of the fee is offset as provided by Exchange Act Rule 0-11(a)(2) and identify the filing for which the offsetting fee was paid previously. Identify the previous filing by registration statement number, or the Form or Schedule and the date of its filing.

(1) Amount Previously Paid:

(2) Form, Schedule or Registration Statement No.:

(3) Filing Party:

(4) Date Filed:

IMPORTANT NOTICE—PLEASE VOTE TODAY

Dear Fellow Shareholder,

We recently mailed proxy materials to you for our Annual Meeting of Shareholders to be held on May 2, 2008. For your convenience, enclosed is another BLUE proxy card.

Your vote is extremely important. Please vote today by using the toll free telephone voting service or the Internet. Voting instructions are located on the enclosed proxy card. You may also vote by signing, dating and returning the BLUE proxy card in the envelope provided.

Your Board believes that it is in the best interests of the company and all of its shareholders to elect each of the Board’s nominees. We urge you not to sign and return any White proxy card or voting instruction card that you may receive from Oliver Press.

In order to ensure that your vote is cast in support of your Board, please vote the BLUE Phoenix Proxy Card ONLY.

If you have any questions regarding voting, you may call our proxy solicitor, Morrow & Co., Inc., toll free at (800) 414-4313.

Sincerely,

The Phoenix Companies, Inc.

Dona D. Young

Chairman, President &

Chief Executive Officer

IMPORTANT INFORMATION REGARDING THE SOLICITATION AND

PARTICIPANTS THEREIN

In connection with its 2008 Annual Meeting, The Phoenix Companies, Inc. has filed a definitive proxy statement, BLUE proxy card and other materials with the U.S. Securities and Exchange Commission. The Phoenix Companies, Inc. and its directors and executive officers may be deemed to be participants in the solicitation of proxies from its shareholders in connection with our upcoming annual meeting and the notice we received from one of our shareholders. Information regarding the special interests of the directors and executive officers in the proposals that are the subject of the meeting is included in the proxy statement that we have filed.

The Phoenix Companies, Inc.’s shareholders are strongly advised to read the proxy statement filed in connection with the annual meeting carefully before making any voting or investment decision, as it contains important information. Shareholders are able to obtain this proxy statement, any amendments or supplements to the proxy statement, along with the annual, quarterly and special reports we file, for free at the Web site maintained by the Securities and Exchange Commission at www.sec.gov or at our Web site at www.phoenixwm.com, in the Investor Relations section. In addition, copies of the proxy materials may be requested by contacting our proxy solicitor, Morrow & Co., LLC, toll-free at (800) 414-4313. Banks and Brokers may call collect at (203) 658-9400.