FEE WAIVER AGREEMENT (UBS Select Prime Preferred Fund, UBS Select ESG Prime Preferred Fund, UBS Select Government Preferred Fund, UBS Select Treasury Preferred Fund, UBS Prime Preferred Fund and UBS Tax-Free Preferred Fund) UBS SERIES FUNDS New York,...

FEE WAIVER AGREEMENT

(UBS Select Prime Preferred Fund, UBS Select ESG Prime Preferred Fund, UBS Select

Government Preferred Fund, UBS Select Treasury Preferred Fund, UBS Prime Preferred

Fund and UBS Tax-Free Preferred Fund)

UBS SERIES FUNDS

000 Xxxxxxx Xxxxxx

New York, New York 10019

Dated as of August 17, 2023

UBS Asset Management (Americas) Inc.

000 Xxxxxxx Xxxxxx

New York, New York 10019

Ladies and Gentlemen:

1. UBS Select Prime Preferred Fund, UBS Select ESG Prime Preferred Fund, UBS Select Government Preferred Fund, UBS Select Treasury Preferred Fund, UBS Prime Preferred Fund and UBS Tax-Free 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, 2024.

3. You further agree that you will continue the administrative fee waiver under Paragraph 2 above until the later of August 31, 2024 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 PRIME PREFERRED FUND, UBS SELECT ESG PRIME PREFERRED FUND, UBS SELECT GOVERNMENT PREFERRED FUND, UBS SELECT TREASURY PREFERRED FUND, UBS PRIME PREFERRED FUND AND UBS TAX-FREE PREFERRED FUND, SEVERALLY AND NOT JOINTLY

By: /s/ Xxxxx X. Xxxxxx						By: /s/ Xxxx Xxxxxxx
Name:		Xxxxx X. Xxxxxx				Name:		Xxxx Xxxxxxx
Title:		Vice President & Secretary				Title:		Vice President & Assistant Secretary

The foregoing Agreement is hereby

accepted as of August 17, 2023

UBS ASSET MANAGEMENT (AMERICAS) INC.

By: /s/ Xxxxxx X. Xxxxxxxx						By: /s/ Xxxx Xxx Xxxxxxxx
Name:		Xxxxxx X. Xxxxxxxx				Name:		Xxxx Xxx Xxxxxxxx
Title:		Executive Director				Title:		Director