Fitch Affirms Preferred Share Ratings of 2 Pioneer Municipal Closed End Funds at 'AAA'

Applicable Criteria and Related Research: --'Closed-End Fund Debt and Preferred Stock Rating Criteria', Aug. 17, 2009; --'Closed-End Funds: Fitch Clarifies Criteria for Make-Whole Amounts and Other Prepayment Obligations', March 18, 2010. Applicable...