EXHIBIT 1
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  IDENTIFICATION AND CLASSIFICATION OF SUBSIDIARIES WHICH ACQUIRED SECURITIES
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        Citigroup Global Markets Limited is a broker or dealer chartered in
        London, England.


        Each of the undersigned hereby affirms the identification and Item 3
        classification of the subsidiary which acquired the security holdings
        reported in this Schedule 13G.


Date: September 10, 2013


                      CITIGROUP FINANCIAL PRODUCTS INC.



                      By: /s/ Ali L. Karshan
                         --------------------------------------------
                         Name:  Ali L. Karshan
                         Title: Assistant Secretary



                      CITIGROUP GLOBAL MARKETS HOLDINGS INC.



                      By: /s/ Ali L. Karshan
                         --------------------------------------------
                         Name:  Ali L. Karshan
                         Title: Assistant Secretary



                      CITIGROUP INC.



                      By: /s/ Ali L. Karshan
                         --------------------------------------------
                         Name:   Ali L. Karshan
                         Title:  Assistant Secretary