Pioneer Diversified High Income Trust Announces Special One-Time Distribution for the Year of 2020, Payable on December 30, 2020

Pioneer Diversified High Income Fund, Inc. (the Fund) is a diversified, closed-end management investment company. The investment objective of the Fund is to seek a high level of current income and its secondary objective seeks capital appreciation. The Fund invests in a higher-yielding asset class, including global high yield bonds, leveraged bank loans, and event-linked bonds. The Fund is focused on investing in securities of issuers that are in default or that are in bankruptcy. Investing in foreign and/or emerging markets securities involves risks relating to interest rates, currency exchange rates, economic, and political conditions. The Fund may invest in insurance-linked securities. Amundi USA, Inc., serves as the investment adviser of the Fund.