| Prospectus Supplement | March 15, 2023 |
Putnam Global Income Trust
Prospectus dated February 28, 2023
Effective March 31, 2023, the sub-section Your fund’s management in the section Fund summary is replaced in its entirety with the following:
Your fund's management
Investment advisor
Putnam Investment Management, LLC
Portfolio managers
| Michael Salm, Chief Investment Officer, Fixed Income, portfolio manager of the fund since 2007 |
| Norman Boucher, Portfolio Manager, portfolio manager of the fund since 2022 |
| Albert Chan, Head of Portfolio Construction, portfolio manager of the fund since 2020 |
| Robert Davis, Portfolio Manager, portfolio manager of the fund since 2017 |
Sub-advisor
Putnam Investments Limited*
*Though the investment advisor has retained the services of Putnam Investments Limited (PIL), PIL does not currently manage any assets of the fund.
Effective March 31, 2023, the following replaces similar disclosure under the sub-section The fund’s investment manager – Portfolio manager in the section Who oversees and manages the fund?:
•Portfolio managers. The officers of Putnam Management identified below are jointly and primarily responsible for the day-to-day management of the fund’s portfolio.
| Portfolio managers | Joined fund | Employer | Positions over past five years |
| Michael Salm | 2007 | Putnam Management 1997 - Present |
Chief Investment Officer, Fixed Income Fixed Income and Co-Head of Fixed Income |
| Norman Boucher | 2022 | Putnam Management 1998 - Present |
Portfolio Manager |
| Albert Chan | 2020 | Putnam Management 2002-Present |
Head of Portfolio Construction Previously, Portfolio Manager |
| Robert Davis | 2017 | Putnam Management 1999-Present |
Portfolio Manager Previously, Analyst |
The SAI provides information about these individuals’ compensation, other accounts managed by these individuals and these individuals’ ownership of securities in the fund.
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