497 1 st7gms080213saisupp497.txt SUPPLEMENT TO THE STATEMENT OF ADDITIONAL INFORMATION File Number: 333-62166 Filed Pursuant to Rule 497(e) of the Securities Act of 1933 August 2, 2013 Supplement to the March 1, 2013 Statement of Additional Information for Pioneer Global Multisector Income Fund (formerly, Pioneer Global Aggregate Bond Fund) The following will supplement the information presented in the statement of additional information. Please refer to the statement of additional information for the full text of the supplemented sections. The following will supplement the information in the corresponding paragraph and table in the section entitled "PORTFOLIO MANAGEMENT - Additional Information About the Portfolio Manager": OTHER ACCOUNTS MANAGED BY THE PORTFOLIO MANAGERS The table below indicates, for the portfolio managers of the fund, information about the accounts other than the fund over which the portfolio manager has day-to-day investment responsibility. All information on the number of accounts and total assets in the table is as of May 31, 2013. For purposes of the table, "Other Pooled Investment Vehicles" may include investment partnerships, undertakings for collective investments in transferable securities ("UCITS") and other non-U.S. investment funds and group trusts, and "Other Accounts" may include separate accounts for institutions or individuals, insurance company general or separate accounts, pension funds and other similar institutional accounts but generally do not include the portfolio manager's personal investment accounts or those which the manager may be deemed to own beneficially under the code of ethics. Certain funds and other accounts managed by the portfolio manager may have substantially similar investment strategies.
NUMBER OF ASSETS ACCOUNTS MANAGED MANAGED FOR FOR WHICH WHICH ADVISORY ADVISORY NUMBER OF FEE IS FEE IS NAME OF ACCOUNTS TOTAL ASSETS PERFORMANCE- PERFORMANCE- PORTFOLIO MANAGER TYPE OF ACCOUNT MANAGED MANAGED (000'S) BASED BASED (000'S) ------------------- ---------------------------------- ----------- ----------------- ---------------- -------------- Kenneth J. Taubes Other Registered Investment Companies 6 $11,560,083 N/A N/A Other Pooled Investment Vehicles 3 $ 4,804,326 N/A N/A Other Accounts 14 $ 2,700,574 N/A N/A ------------------- ---------------------------------- -- ----------- ---------------- -------------- Andrew Feltus Other Registered Investment Companies 9 $14,376,928 N/A N/A Other Pooled Investment Vehicles 3 $ 5,585,667 N/A N/A Other Accounts 1 $ 627,400 N/A N/A ------------------- ---------------------------------- -- ----------- ---------------- -------------- Charles Melchreit Other Registered Investment Companies 10 $12,846,834 N/A N/A Other Pooled Investment Vehicles 4 $ 5,265,736 N/A N/A Other Accounts 9 $ 1,809,380 N/A N/A ------------------- ---------------------------------- -- ----------- ---------------- -------------- Paresh Upadhyaya Other Registered Investment Companies 0 $ 0 N/A N/A Other Pooled Investment Vehicles 0 $ 0 N/A N/A Other Accounts 0 $ 0 N/A N/A ------------------- ---------------------------------- -- ----------- ---------------- --------------
The following will supplement the information in the corresponding paragraph and table in the section entitled "PORTFOLIO MANAGEMENT - Additional Information About the Portfolio Manager": SHARE OWNERSHIP BY PORTFOLIO MANAGERS The following table indicates as of May 31, 2013 the value, within the indicated range, of shares beneficially owned by the portfolio managers of the fund.
BENEFICIAL OWNERSHIP NAME OF PORTFOLIO MANAGER OF THE FUND* --------------------------- --------------------- Kenneth J. Taubes A --------------------------- --------------------- Andrew Feltus A --------------------------- --------------------- Charles Melchreit D --------------------------- --------------------- Paresh Upadhyaya C --------------------------- ---------------------
3 * Key to Dollar Ranges A. None B. $1 - $10,000 C. $10,001 - $50,000 D. $50,001 - $100,000 E. $100,001 - $500,000 F. $500,001 - $1,000,000 G. Over $1,000,000
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