Prospectus Supplement  August 31, 2020

All Putnam retail open-end funds, except Putnam Convertible Income Trust class I prospectus, Putnam Government Money Market class I prospectus, Putnam Income Strategies Portfolio, Putnam Mortgage Opportunities Fund class I prospectus, Putnam Retirement Advantage 2060 Fund, Putnam Retirement Advantage 2055 Fund, Putnam Retirement Advantage 2050 Fund, Putnam Retirement Advantage 2045 Fund, Putnam Retirement Advantage 2040 Fund, Putnam Retirement Advantage 2035 Fund, Putnam Retirement Advantage 2030 Fund, Putnam Retirement Advantage 2025 Fund, Putnam Retirement Advantage 2020 Fund, Putnam Retirement Advantage Maturity Fund, and Putnam Short Term Investment Fund.

Effective September 1, 2020, the following language is added to the Appendix :

ROBERT W. BAIRD & CO. (“BAIRD”)

Effective September 1, 2020, shareholders purchasing fund shares through a Baird brokerage account will only be eligible for the following sales charge waivers (front-end sales charge waivers and CDSC waivers) and discounts, which may differ from those disclosed elsewhere in this prospectus or the SAI.

Front-End Sales Charge Waivers on Class A shares Available at Baird

• Shares purchased through reinvestment of capital gains distributions and dividend reinvestment when purchasing share of the same fund

• Shares purchased by employees and registered representatives of Baird or its affiliate and their family members as designated by Baird

• Shares purchased from the proceeds of redemptions within the same fund family, provided (1) the repurchase occurs within 90 days following the redemption, (2) the redemption and purchase occur in the same accounts, and (3) redeemed shares were subject to a front-end or deferred sales charge (known as rights of reinstatement)

• A shareholder in the fund’s Class C Shares will have their shares converted at net asset value to Class A shares of the fund if the shares are no longer subject to CDSC and the conversion is in line with the policies and procedures of Baird

• Employer-sponsored retirement plans or charitable accounts in a transactional brokerage account at Baird, including 401(k) plans, 457 plans, employer-sponsored 403(b) plans, profit sharing and money purchase pension plans and defined benefit plans. For purposes of this provision, employer-sponsored retirement plans do not include SEP IRAs, Simple IRAs or SAR-SEPs

CDSC Waivers on Class A and C shares Available at Baird

• Shares sold due to death or disability of the shareholder

• Shares sold as part of a systematic withdrawal plan as described in this prospectus

• Shares bought due to returns of excess contributions from an IRA Account

• Shares sold as part of a required minimum distribution for IRA and retirement accounts pursuant to the Internal Revenue Code

• Shares sold to pay Baird fees but only if the transaction is initiated by Baird

• Shares acquired through a right of reinstatement

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Front-End Sales Charge Discounts Available at Baird: Breakpoints and/or Rights of Accumulation

• Breakpoints as described in this prospectus

• Rights of accumulation, which entitle shareholders to breakpoint discounts, will be automatically calculated based on the aggregated holding of fund family assets held by accounts within the purchaser’s household at Baird. Eligible fund family assets not held at Baird may be included in the rights of accumulation calculation only if the shareholder notifies his or her financial advisor about such assets

• Letters of Intent (LOI) allow for breakpoint discounts based on anticipated purchases within a fund family through Baird, over a 13-month period of time

OPPENHEIMER & CO. INC. (“OPCO”)

Effective September 1, 2020, shareholders purchasing Fund shares through an OPCO platform or account are eligible only for the following load waivers (front-end sales charge waivers and contingent deferred, or back-end, sales charge waivers) and discounts, which may differ from those disclosed elsewhere in this Fund’s prospectus or SAI.

Front-end Sales Load Waivers on Class A Shares available at OPCO

• Employer-sponsored retirement, deferred compensation and employee benefit plans (including health savings accounts) and trusts used to fund those plans, provided that the shares are not held in a commission-based brokerage account and shares are held for the benefit of the plan

• Shares purchased through an OPCO affiliated investment advisory program

• Shares purchased through reinvestment of capital gains distributions and dividend reinvestment when purchasing shares of the same fund (but not any other fund within the fund family)

• Shares purchased from the proceeds of redemptions within the same fund family, provided (1) the repurchase occurs within 90 days following the redemption, (2) the redemption and purchase occur in the same account, and (3) redeemed shares were subject to a front-end or deferred sales load (known as Rights of Reinstatement).

• A shareholder in the Fund’s Class C shares will have their shares converted at net asset value to Class A shares of the Fund if the shares are no longer subject to a CDSC and the conversion is in line with the policies and procedures of OPCO

• Employees and registered representatives of OPCO or its affiliates and their family members

CDSC Waivers on A, B and C Shares available at OPCO

• Death or disability of the shareholder

• Shares sold as part of a systematic withdrawal plan as described in this prospectus

• Return of excess contributions from an IRA Account

• Shares sold as part of a required minimum distribution for IRA and retirement accounts due to the shareholder reaching the qualified age based upon applicable IRS regulations as described in the prospectus

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• Shares sold to pay OPCO fees but only if the transaction is initiated by OPCO

• Shares acquired through a right of reinstatement

Front-end Sales Charge Discounts Available at OPCO: Breakpoints & Rights of Accumulation

• Breakpoints as described in this prospectus.

• Rights of Accumulation (ROA), which entitle shareholders to breakpoint discounts, will be automatically calculated based on the aggregated holdings of fund family assets held by accounts within the purchaser’s household at OPCO. Eligible fund family assets not held at OPCO may be included in the ROA calculation only if the shareholder notifies his or her financial advisor about such assets

STIFEL, NICOLAUS & COMPANY, INCORPORATED (“STIFEL”)

Effective September 1, 2020, shareholders purchasing Fund shares through a Stifel platform or account or who own shares for which Stifel or an affiliate is the broker-dealer of record are eligible for the following additional sales charge waiver.

Front-end Sales Charge Waiver on Class A Shares

Class C shares that have been held for more than seven (7) years will be converted to Class A shares of the same Fund pursuant to Stifel’s policies and procedures. All other sales charge waivers and reductions described elsewhere in this prospectus or SAI will continue to apply for eligible shareholders.

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