Franklin Fund Allocator Series

04/17/2026 | Press release | Distributed by Public on 04/17/2026 07:04

Prospectus by Investment Company (Form 497)

GOF-P21 04/26

FRANKLIN FUND ALLOCATOR SERIES

SUPPLEMENT DATED APRIL 17, 2026

TO THE SUMMARY PROSPECTUS, PROSPECTUS AND

STATEMENT OF ADDITIONAL INFORMATION ("SAI")

OF EACH FUND LISTED IN SCHEDULE A

All changes described below are effective June 1, 2026.

1. The following replaces the reference to Berkeley Belknap in the section titled "Fund Summary - Portfolio Managers" in the Summary Prospectus and Prospectus of each fund listed in Schedule A:

Laura Green, CFA
Portfolio Manager of Advisers and portfolio manager of the Fund since June 2026.

2. The following replaces the reference to Berkeley Belknap in the section titled "Fund Details - Management" in the Prospectus of each fund listed in Schedule A:

Laura Green, CFA Portfolio Manager of Advisers

Ms. Green has been a portfolio manager of the Fund since June 2026. She joined Franklin Templeton in 2020.

3. The following replaces references to Berkeley Belknap in the table in the section titled "Management and Other Services - Portfolio managers" in the SAI of each fund listed in Schedule A:

Name

Type of
Account

Number of

Accounts

Managed

Total Assets

Managed

(x $1 million)

Number of Accounts

Managed for which

Advisory Fee is

Performance-Based

Assets Managed for which

Advisory Fee is

Performance-Based

(x $1 million)

Laura Green*

Registered

Investment

Companies

17

14,034.5

None

None

Other Pooled

Investment

Vehicles

28

6,781.4

None

None

Other

Accounts

246

5,219.3

2

81.1

*Information is provided as of February 28, 2026.

4. The following replaces references to Berkeley Belknap in the table in the section titled "Management and Other Services - Portfolio managers - Ownership of Fund shares" in the SAI of each fund listed in Schedule A:

Portfolio Manager

Dollar Range of Fund Shares Beneficially Owned

Laura Green*

None

*Information is provided as of March 31, 2026.

SCHEDULE A

Fund

Date of Summary Prospectus, Prospectus and SAI

FRANKLIN FUND ALLOCATOR SERIES

Franklin LifeSmart™ Retirement Income Fund

May 1, 2025

Franklin LifeSmart™ 2020 Retirement Target Fund

May 1, 2025

Franklin LifeSmart™ 2025 Retirement Target Fund

May 1, 2025

Franklin LifeSmart™ 2030 Retirement Target Fund

May 1, 2025

Fund

Date of Summary Prospectus, Prospectus and SAI

Franklin LifeSmart™ 2035 Retirement Target Fund

May 1, 2025

Franklin LifeSmart™ 2040 Retirement Target Fund

May 1, 2025

Franklin LifeSmart™ 2045 Retirement Target Fund

May 1, 2025

Franklin LifeSmart™ 2050 Retirement Target Fund

May 1, 2025

Franklin LifeSmart™ 2055 Retirement Target Fund

May 1, 2025

Franklin LifeSmart™ 2060 Retirement Target Fund

May 1, 2025

Please retain this supplement for future reference.

Franklin Fund Allocator Series published this content on April 17, 2026, and is solely responsible for the information contained herein. Distributed via EDGAR on April 17, 2026 at 13:05 UTC. If you believe the information included in the content is inaccurate or outdated and requires editing or removal, please contact us at [email protected]