Pioneer Municipal High Income Advantage Fund, Inc., Pioneer Municipal High Income Fund, Inc., and Pioneer Municipal High Income Opportunities Fund, Inc.

Liquidation Announcement: Pioneer Municipal High Income Advantage Fund, Inc. (MAV), Pioneer Municipal High Income Fund, Inc. (MHI), and Pioneer Municipal High Income Opportunities Fund, Inc. (MIO) announced their liquidation effective August 22, 2025, with trading ceasing on the New York Stock Exchange by August 25, 2025.

Distribution Details: The primary liquidating distributions are expected to be paid in cash on August 27, 2025, with specific amounts per common share outlined for each fund.

Tax Implications: Liquidation distributions will generally be taxable events for stockholders, potentially resulting in capital gains or losses based on the difference between the distribution received and the adjusted basis in the shares.

Investment Risks: Investors are advised to understand the risks associated with investments and consult qualified tax and financial experts regarding their specific circumstances, as distribution rates are not guaranteed and can fluctuate.