EX-99.1 2 a2190356zex-99_1.txt EX-99.1. EXHIBIT 1 --------- AGREEMENT AS TO JOINT FILING OF SCHEDULE 13G -------------------------------------------- Each of the undersigned hereby affirms that it is individually eligible to use Schedule 13G, and agrees that this Schedule 13G is filed on its behalf. Dated: May 10, 2010 CITIGROUP GLOBAL MARKETS INC. By: /s/ Douglas Turnbull -------------------------------------------- Name: Douglas Turnbull Title: Assistant Secretary CITIGROUP FINANCIAL PRODUCTS INC. By: /s/ Douglas Turnbull -------------------------------------------- Name: Douglas Turnbull Title: Assistant Secretary CITIGROUP GLOBAL MARKETS HOLDINGS INC. By: /s/ Douglas Turnbull -------------------------------------------- Name: Douglas Turnbull Title: Assistant Secretary CITIGROUP INC. By: /s/ Douglas Turnbull -------------------------------------------- Name: Douglas Turnbull Title: Assistant Secretary