Statement of Additional Information Supplement
John Hancock Marathon Asset-Based Lending Fund (the fund)
Supplement dated March 19, 2025 to the current Statement of Additional
Information, as may be supplemented (the SAI)
Effective
immediately, the information in the first paragraph under the heading “The Subadvisory Agreement” in the “Investment Advisory and Other Services”
section of the SAI is amended and restated as follows:
The Advisor
entered into a Subadvisory Agreement dated June 15, 2022, with the Subadvisor (the “Subadvisory Agreement”). The Subadvisor handles the fund’s portfolio
management activities, subject to oversight by the Advisor. The Subadvisor is Marathon Asset Management, L.P. As of December 31, 2024, the Subadvisor had total assets under
management of approximately $22.14 billion. The Subadvisor is located at One Bryant Park, New York, New York 10036.
You should read this supplement in conjunction with the SAI and
retain it for your future reference.
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