FEE WAIVER AGREEMENT

(UBS Select Government Preferred Fund, UBS Select Treasury Preferred Fund and

UBS Prime Preferred Fund)

UBS SERIES FUNDS

787 Seventh Avenue

New York, New York 10019

Dated as of August 18, 2025

UBS Asset Management (Americas) LLC

787 Seventh Avenue

New York, New York 10019

Ladies and Gentlemen:

1.  UBS Select Government Preferred Fund, UBS Select Treasury Preferred Fund and UBS Prime Preferred Fund (each, a “Fund”) are series of UBS Series Funds, a Delaware statutory trust (the “Company”). Operating expenses of each Fund are annual rates expressed as a percentage of average daily net assets.

2.  You hereby agree that you will waive 0.04% of the 0.08% administrative fee otherwise payable to you by each Fund through August 31, 2026.

3.  You further agree that you will continue the administrative fee waiver under Paragraph 2 above until the later of August 31, 2026 or the date on which a Fund’s prospectus is updated to reflect superseding waiver arrangements, if any, or the termination thereof.

4.  This Agreement shall terminate automatically upon the termination of the administration agreement between you and the Company with respect to a Fund.

5.  This Agreement shall be governed by, and construed and enforced in accordance with, the internal laws of the State of New York, except insofar as the Investment Company Act of 1940, as amended, or other federal laws and regulations may be controlling. Any amendment to this Agreement shall be in writing signed by the parties hereto.


If you are in agreement with the foregoing, please sign the form of acceptance on the enclosed counterpart hereof and return the same to us.

UBS SERIES FUNDS, ON BEHALF OF ITS UBS SELECT GOVERNMENT PREFERRED FUND, UBS SELECT TREASURY PREFERRED FUND AND UBS PRIME PREFERRED FUND, SEVERALLY AND NOT JOINTLY

 

By:    /s/ Keith A. Weller                     By:   /s/ Eric Sanders            
Name:  Keith A. Weller       Name:  Eric Sanders
Title:    Vice President & Secretary       Title:    Vice President & Assistant Secretary

The foregoing Agreement is hereby

accepted as of August 18, 2025

UBS ASSET MANAGEMENT (AMERICAS) LLC.

 

By:   /s/ Joanne M. Kilkeary                    By:   /s/ Raymond Accardi         
Name:  Joanne M. Kilkeary       Name:  Raymond Accardi
Title:    Executive Director       Title:    Associate Director