FEE WAIVER AGREEMENT UBS Select Treasury Preferred Fund (a series of UBS Money Series) New York, New York 10019

Exhibit (8)(g)(x)

FEE WAIVER AGREEMENT

UBS Select Treasury Preferred Fund

(a series of UBS Money Series)

0000 Xxxxxx xx xxx Xxxxxxxx

Xxx Xxxx, Xxx Xxxx 00000

Dated as of August 23, 2016

UBS Asset Management (Americas) Inc.

0000 Xxxxxx xx xxx Xxxxxxxx

Xxx Xxxx, Xxx Xxxx 00000

Ladies and Gentlemen:

1. UBS Select Treasury Preferred Fund (“Fund”) is a series of UBS Money Series, a Delaware statutory trust (“Company”). Operating expenses of the 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% administration fee otherwise payable to you by this feeder Fund through August 31, 2017.

3. You further agree that you will continue the administration fee waiver under Paragraph 2 above until the later of August 31, 2017 or the date on which the 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 the 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 MONEY SERIES, ON BEHALF OF ITS				UBS MONEY SERIES, ON BEHALF OF ITS
UBS SELECT TREASURY PREFERRED FUND				UBS SELECT TREASURY PREFERRED FUND
By:   /s/ Xxxxx X. Xxxxxx				By:   /s/ Xxxx Xxxxxxx
Name:  Xxxxx X. Xxxxxx				Name: Xxxx Xxxxxxx
Title:     Vice President & Assistant Secretary				Title:    Vice President & Assistant Secretary

The foregoing Agreement is hereby

accepted as of August 23, 2016

UBS ASSET MANAGEMENT				UBS ASSET MANAGEMENT
(AMERICAS) INC.				(AMERICAS) INC.
By:   /s/ Xxxxxx Xxxxxxx				By:   /s/ Xxxxx X. Xxxxxx
Name:  Xxxxxx Xxxxxxx				Name:  Xxxxx X. Xxxxxx
Title:     Managing Director				Title:     Director