EX-28.d.4.t.1

EXHIBIT A

SUBADVISORY AGREEMENT

AMONG

NATIONWIDE MUTUAL FUNDS,

NATIONWIDE FUND ADVISORS

AND GOLDMAN SACHS ASSET MANAGEMENT, L.P.

Effective Sept. 23, 2021

As Amended June 30, 2023*

Funds of the Trust	Subadvisory Fees
Nationwide Multi-Cap Portfolio	0.16% on all Subadviser Assets
Nationwide Bond Portfolio	If Subadviser Assets are less than $750 million: 0.140% on Subadviser Assets up to $100 million; 0.110% on Subadviser Assets of $100 million and more but less than $250 million; 0.100% on Subadviser Assets of $250 million and more but less than $750 million; and 0.080% on Subadviser Assets of $750 and more If Subadviser Assets are greater than $750 million: 0.080% on Subadviser Assets up to $1.5 billion; and 0.075% on Subadviser Assets of $1.5 billion and more
Nationwide Fundamental All Cap Equity Portfolio	0.10% on all Subadviser Assets

* As approved at the Board of Trustees Meeting held on June 13-14, 2023.

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IN WITNESS WHEREOF, the parties hereto have executed this Exhibit A on the effective date set forth above.

TRUST

NATIONWIDE MUTUAL FUNDS

By: /s/ Christopher Graham                                        

Name: Christopher Graham

Title: VP, Chief Investment Officer

ADVISER

NATIONWIDE FUND ADVISORS

By: /s/ Christopher Graham                                        

Name: Christopher Graham

Title: VP, Chief Investment Officer

SUBADVISER

GOLDMAN SACHS ASSET MANAGEMENT, L.P.

By: /s/ Marci Green                                                     

Name: Marci Green

Title: Managing Director