DEFA14A

                                 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 (Amendment No. )

Filed by the Registrant |X|

Filed by a Party other than the Registrant |_|

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|_|   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 Section 240.14a-12

                       AllianceBernstein Corporate Shares
- --------------------------------------------------------------------------------
                (Name of Registrant as Specified In Its Charter)


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

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SK 00250 0451 1126803

EX-99.6

                               ALLIANCEBERNSTEIN

Recently we sent you proxy material regarding the Annual Meeting of Shareholders
that is scheduled for November 5, 2010. The Fund's records indicate that we have
not received your vote. We urge you to vote as soon as possible in order to
allow the Fund to obtain a sufficient number of votes to hold the Meeting as
scheduled.

                                 1-866-451-3783


                            VOTING IS VERY IMPORTANT
                            ------------------------
                        Please vote now to be sure your
                                vote is received
                                in time for the
                                NOVEMBER 5, 2010
                                 ANNUAL MEETING
                                OF SHAREHOLDERS.


The Fund has made it very easy for you to vote. Choose one of the following
methods:

o     SPEAK to a live Proxy Specialist by calling the number above. We can
      answer any of your questions and record your vote. (Open: M-F 9:30am -
      9pm, Sat 10am - 6pm ET)

o     LOG ON to the website listed on your proxy card, enter your control number
      located on your proxy card, and vote by following the on-screen prompts.

o     CALL the toll-free touchtone voting number listed on the proxy card with
      your control number located on your proxy card and follow the touchtone
      prompts.

o     MAIL in your signed proxy card in the envelope provided.


                        VOTING TAKES ONLY A FEW MINUTES.
                        --------------------------------
                               PLEASE VOTE TODAY.
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