https://www.sec.gov/Archives/edgar/data/1140157/000027677623000068/ghy040523reorgsupp.htm497 1 ghy040523reorgsupp.htm SUPPLEMENT FOR GHY REORG
April 5, 2023
Pioneer Global High Fund
Supplement to the Summary Prospectus, Prospectus
and Statement of Additional Information
each dated March 1, 2023
The Board of Trustees of Pioneer Global High Yield Fund has approved the reorganization of the fund with and into Pioneer High Yield Fund (the “Reorganization”). Each fund is managed by Amundi Asset Management US, Inc. (“Amundi US”). The Reorganization, which does not require shareholder approval, is subject to the satisfaction of certain conditions, and is expected to be completed in the third quarter of 2023...