Prospectus excerpt:  Section 1. Designation as to Series. MuniFund Term Preferred Shares, 2.60% Series 2015 # 1: A series of 1,695,000 Preferred Shares classified as MuniFund Term Preferred Shares is hereby designated as the ÙMuniFund Term Preferred Shares, 2.60% Series 2015 # 1ˆ (the Ù2.60% Series 2015 # 1 MTP Sharesˆ). Each share of such Series shall have such preferences, voting powers, restrictions, limitations as to dividends and distributions, qualifications and terms and conditions of redemption, in addition to those required by applicable law and those that are expressly set forth in the Declaration and the MTP Statement (except as the MTP Statement may be expressly modified by this Appendix), as are set forth in this Appendix D. The 2.60% Series 2015 # 1 MTP Shares shall constitute a separate series of Preferred Shares and of the MuniFund Term Preferred Shares and each 2.60% Series 2015 # 1 MTP Share shall be identical. The following terms and conditions shall apply solely to the 2.60% Series 2015 # 1 MTP Shares:

Section 2. Number of Authorized Shares of Series. The number of authorized shares is 1,695,000.

Section 3. Date of Original Issue with respect to Series. The Date of Original Issue is July 9, 2012.

Section 4. Fixed Dividend Rate Applicable to Series. The Fixed Dividend Rate is 2.60%.

Section 5. Liquidation Preference Applicable to Series. The Liquidation Preference is $10.00 per share.

Section 6. Term Redemption Date Applicable to Series. The Term Redemption Date is April 1, 2015.

Section 7. Dividend Payment Dates Applicable to Series. The Dividend Payment Dates are the first Business Day of the month next following each Dividend Period except that any dividend paid with respect to any Dividend Period consisting of the month of December in any year shall be paid on the last Business Day of such December.

Section 8. Non-Call Period Applicable to Series.

Not applicable.

Section 9. Liquidity Account Initial Date Applicable to Series. The Liquidity Account Initial Date is October 1, 2014.

Section 10. Exceptions to Certain Definitions Applicable to the Series. The following definitions contained under the heading ÙDefinitionsˆ in the MTP Statement are hereby amended as follows: Not applicable.

Section 11. Additional Definitions Applicable to the Series. The following terms shall have the following meanings (with terms defined in the singular having comparable meanings when used in the plural and vice versa), unless the context otherwise requires: ÙDividend Periodˆ means, with respect to 2.60% Series 2015 # 1 MTP Shares, in the case of the first Dividend Period, the period beginning on the Date of Original Issue for such Series and ending on and including July 31, 2012 and for each subsequent Dividend Period, the period beginning on and including the first calendar day of the month following the month in which the previous Dividend Period ended and ending on and including the last calendar day of such month. ÙOptional Redemption Premiumˆ means with respect to 2.60% Series 2015 # 1 MTP Shares an amount equal to 0.00% of the Liquidation Preference for such 2.60% Series 2015 # 1 MTP Share. Section 12. Amendments to Terms of MuniFund Term Preferred Shares Applicable to the Series. The following provisions contained under the heading ÙTerms of the MuniFund Term Preferred Sharesˆ in the MTP Statement are hereby amended as follows: Not applicable. Section 13. Additional Terms and Provisions Applicable to the Series. The following provisions shall be incorporated into and be deemed part of the MTP Statement: Notwithstanding anything in Section 2.2(b) or 2.2(g) of the MTP Statement to the contrary, dividends on the 2.60% Series 2015 # 1 MTP Shares for the first Dividend Period for such Series shall be paid to Holders of shares of such Series as their names appear on the registration books of the Fund at the close of business on the 15th day of the month following July 9, 2012 or such later date as determined by the Board of Trustees.