Exhibit 99(e)(10)



                  AMENDMENT TO DISTRIBUTION SERVICES AGREEMENT

      AMENDMENT made as of August 9, 2013 to the Distribution Services Agreement
(the "Agreement") made as of January 2, 1996, as amended June 4, 1996, December
16, 2004, and November 2, 2006 between ALLIANCEBERNSTEIN UNCONSTRAINED BOND
FUND, INC., (formerly AllianceBernstein Diversified Yield Fund, Inc.,
AllianceBernstein Global Strategic Income Trust, Inc., and prior thereto
Alliance Global Strategic Income Trust, Inc.), a Maryland corporation (the
"Fund"), and ALLIANCEBERNSTEIN INVESTMENTS, INC. (formerly AllianceBernstein
Investment Research and Management, Inc. and Alliance Fund Distributors, Inc.),
a Delaware corporation (the "Underwriter"). Capitalized terms not defined herein
have the meaning set forth in the Agreement.

                                   WITNESSETH

      WHEREAS, the Fund and the Underwriter are parties to the Agreement;

      WHEREAS, the Fund has decided to issue and sell to the public shares of
its Class Z Common Stock in addition to its Class A Common Stock, Class B Common
Stock , Class C Common Stock, Advisor Class Common Stock, Class R Common Stock,
Class K Common Stock and Class I Common Stock;

      WHEREAS, the Underwriter is willing to act, and the Fund wishes to appoint
the Underwriter, as underwriter and distributor of the Class Z Shares of the
Fund;

      NOW, THEREFORE, the parties agree to amend the Agreement as follows:

      1. Section 1 of the Agreement is amended by deleting it in its entirety
and replacing it with the following:

            SECTION 1. Appointment of Underwriter.

            The Fund hereby appoints the Underwriter as the principal
      underwriter and distributor of the Fund to sell to the public shares of
      its Class A Common Stock (the "Class A shares"), Class B Common Stock (the
      "Class B shares"), Class C Common Stock (the "Class C shares"), Advisor
      Class Common Stock (the "Advisor Class shares") , Class R Common Stock
      (the "Class R shares"), Class K Common Stock (the "Class K shares"), Class
      I Common Stock (the "Class I shares") and Class Z Common Stock (the "Class
      Z shares") and shares of such other class or classes as the Fund and the
      Underwriter shall from time to time mutually agree in writing shall become
      subject to this Agreement (the "New shares"), (the Class A shares, Class B
      shares, Class C shares, Advisor Class shares, Class R Shares, Class K
      Shares, Class I and Class Z Shares and New shares shall be collectively
      referred to herein as the "shares") and hereby agrees during the term of
      this Agreement to sell shares to the Underwriter upon the terms and
      conditions set forth herein.




      IN WITNESS WHEREOF, the parties have executed this Amendment to the
Agreement as of the date first set forth above.


                                 ALLIANCEBERNSTEIN UNCONSTRAINED BOND FUND, INC.


                                 /s/ Stephen J. Laffey
                                 --------------------------
                                 By:    Stephen J. Laffey
                                 Title: Assistant Secretary



                                 ALLIANCEBERNSTEIN INVESTMENTS, INC.


                                 /s/ Daniel Notto
                                 --------------------------
                                 By:    Daniel Notto
                                 Title: Assistant Secretary


Accepted as of the date written above
ALLIANCEBERNSTEIN L.P.

By: /s/ Emilie D. Wrapp
    ------------------------
Name:   Emilie D. Wrapp
Title:  Assistant Secretary