NYSE - Nasdaq Real Time Price • USD Pioneer Municipal High Income Fund, Inc. (MHI) Follow Add holdings 9.34 +0.26 +(2.86%) At close: May 9 at 4:00:02 PM EDT 9.34 +0.02 +(0.21%) After hours: May 9 at 4:05:07 PM EDT All News Press Releases SEC Filings Pioneer Closed-End Funds Announce Board Approval of Plan of Liquidation BOSTON, May 08, 2025--Each of the Funds listed above announced today that the Fund’s Board of Directors (the "Board") has approved a plan of liquidation of the Fund. The liquidation pursuant to the plan will be submitted to Fund stockholders for approval at a Special Meeting. The Board recommends that stockholders of each Fund vote for the liquidation of their Fund at the Special Meeting. Pioneer Investments Declares Monthly Distributions For Six Pioneer Closed-End Funds BOSTON, May 05, 2025--Pioneer Investments today announced the declaration of dividends for six Pioneer closed-end funds for May 2025. Pioneer Closed-End Funds Announce Postponement of March 26, 2025 Special Meeting of Stockholders BOSTON, March 25, 2025--Each of the Funds listed above announced today that the Special Meeting of Stockholders (the "Meeting") originally scheduled for Wednesday, March 26, 2025 at 12:00 p.m. Eastern Time has been postponed in order to give shareholders more time to vote. The Funds will announce the rescheduled Meeting date, time and location in due course. Amundi US Declares Monthly Distributions for Six Pioneer Closed-End Funds BOSTON, March 04, 2025--Amundi US today announced the declaration of dividends for six Pioneer closed-end funds for March 2025. Pioneer Closed-End Funds Required Notice to Shareholders Sources of Distribution Under Section 19(a) BOSTON, February 28, 2025--The following closed-end funds reported sources of distribution for February and this fiscal year to date. Amundi US Declares Monthly Distributions for Five Pioneer Closed-End Funds BOSTON, January 03, 2025--Amundi US today announced the declaration of dividends for five Pioneer closed-end funds for January 2025. Amundi US Declares Monthly Distributions for the Pioneer Closed-End Funds BOSTON, December 02, 2024--Amundi US today announced the declaration of dividends for six Pioneer closed-end funds for December 2024. Amundi US to Host Webinars for Pioneer Closed-End Funds BOSTON, September 30, 2024--Amundi US today announced the dates and times for webinars for financial professionals and investors regarding its Pioneer closed-end funds. The purpose of these webinars is to discuss the fixed income markets and the current positioning within the funds. The webinars will include a question-and-answer session with the portfolio managers. Amundi US Announces Proposed Transaction Relating to Pioneer Closed-End Funds BOSTON, July 19, 2024--Amundi US today announced a proposed transaction affecting the following Pioneer closed-end funds: Performance Overview Trailing total returns as of 5/9/2025, which may include dividends or other distributions. Benchmark is S&P 500 (^GSPC) Return MHI S&P 500 (^GSPC) YTD +2.41% -3.77% 1-Year +10.05% +8.55% 3-Year +12.08% +41.81%