Calamos Investment Trust and Calamos Antetokounmpo Sustainable Equities Trust Administration Servicing Agreement

Exhibit 99.(h)(x)

Calamos Investment Trust and Calamos Antetokounmpo Sustainable Equities Trust
Administration Servicing Agreement

This is an amendment (the "Amendment") to the Administration Servicing Agreement, dated September 21, 2000, by and between Calamos Investment Trust (“CIT”) and U.S. Bancorp Fund Services, LLC (“Fund Services”), (as amended, restated, modified or supplemented from time to time, collectively, the "Agreement").

In consideration of the mutual covenants and agreements contained herein, the parties agree to the following amendment to the Agreement:

1.     CIT and Fund Services desire to add Calamos Antetokounmpo Sustainable Equities Trust (“CASET”), a Delaware statutory trust, as a party to the Agreement. Effective as of the last date on the signature block, CASET and any funds listed for it on Exhibit A become a part of the Agreement.

2.     The separate series of Calamos Investment Trust and Calamos Antetokounmpo Sustainable Equities Trust set forth on Exhibit A of the Agreement is hereby replaced with the following:

Calamos Investment Trust
Name of Series

Calamos Growth Fund
Calamos Select Fund
Calamos International Growth Fund
Calamos Evolving World Growth Fund
Calamos Global Equity Fund
Calamos Growth and Income Fund
Calamos Global Opportunities Fund
Calamos Convertible Fund
Calamos Total Return Bond Fund
Calamos High Income Opportunities Fund
Calamos Market Neutral Income Fund
Calamos Dividend Growth Fund
Calamos Global Convertible Fund
Calamos Hedged Equity Fund
Calamos Phineus Long/Short Fund
Calamos Short-Term Bond Fund
Calamos Timpani Small Cap Growth Fund
Calamos Timpani XXXX Growth Fund
Calamos International Small Cap Growth Fund
Calamos Global Sustainable Equities Fund

Calamos Antetokounmpo Sustainable Equities Trust
Name of Series

Calamos Antetokounmpo Sustainable Equities Fund

All other terms of the Agreement shall remain in full force and effect. If the terms of the Agreement and this Amendment conflict, the terms of this Amendment shall govern.

Each party represents that the undersigned has full power and authority to execute this Amendment and bind such party according to the terms herein.

SIGNATURES ON NEXT PAGE

IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be executed by a duly authorized officer on one or more counterparts.

CALAMOS INVESTMENT TRUST			U.S. BANCORP FUND SERVICES, LLC
By:	/s/ Xxxxxxx Xxxxxx		By:	/s/ Xxxxx Xxxxxx
Name:	Xxxxxxx Xxxxxx		Name:	Xxxxx Xxxxxx
Title:	Treasurer		Title:	Sr. Vice President
Date:	November 10, 2022		Date:	11/14/2022

CALAMOS ANTETOKOUNMPO SUSTAINABLE EQUITIES TRUST
By:	/s/ Xxxxxxx Xxxxxx
Name:	Xxxxxxx Xxxxxx
Title:	Treasurer
Date:	November 10, 2022