Fifth Amendment to the Amended and Restated Stock Transfer Agency Agreement

Exhibit k.1.vii

Fifth Amendment to the Amended and Restated Stock Transfer Agency Agreement

THIS FIFTH AMENDMENT ("Amendment"), effective as of February 28, 2022, ("Effective Date"), is to the Amended and Restated Stock Transfer Agency Agreement (the "Agreement") made as of June 15, 2007, and amended as of March 20, 2015, September 6, 2017, October 18, 2017, and August 24, 2021, between each entity set forth in Schedule II attached to the Agreement (each, a "Customer") and Computershare Inc., successor-in-interest to The Bank of New York ("Agent"). Capitalized terms used but not otherwise defined herein shall have the meanings ascribed to such terms in the Agreement.

WHEREAS, Customer and the Agent are parties to the Agreement; and

WHEREAS, the Customer and Agent agree that the four amendments noted above were incorrectly numbered as they should have been numbered as amendments one to four instead of two to five.

WHEREAS, Customer and the Agent desire to amend the Agreement upon the terms and conditions set forth;

NOW THEREFORE, for good and valuable consideration, the receipt and adequacy of which are hereby acknowledged, the parties hereby agree as follows:

1. Amendment to Schedule II of the Agreement:

Delete Schedule II of the Agreement and replace with the new Schedule II attached hereto.

2. Amendments to Fee and Service Schedule for Stock Transfer Services.

(a) Insert the following new fund to the "ISSUES COVERED: Closed End Funds:" section:

"Calamos Strategic Total Return Fund, Series F Mandatory Redeemable Preferred Shares"

(b) Insert the following new fee to the "FEES" section:

"$250.00 One-Time Set Up fee - (Calamos Strategic Total Return Fund, Series F Mandatory Redeemable Preferred Shares")

3. Limited Effect. Except as expressly modified herein, the Agreement shall continue to be and shall remain, in full force and effect and the valid and binding obligation of the parties thereto in accordance with its terms.

4. Counterparts. This Amendment may be executed in counterparts, each of which shall be deemed as original, but all of which together shall constitute one and the same instrument. A signature to this Amendment executed and/or transmitted electronically shall have the same authority, effect and enforceability as an original signature.

IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be executed by their respective officers, hereunto duly agreed and authorized, as of the Effective Date.

Computershare Inc.			Each Customer as set forth in Schedule II
			as such may be amended from time to time
			By: Calamos Advisors LLC
			As Investment manager of each Customer
By:	/s/ Xxxxxx X. Xxxxxx		By:	/s/ Xxxxxxx X. Xxxxxx
Name:	Xxxxxx X. Xxxxxx		Name:	Xxxxxxx X. Xxxxxx
Title:	Senior Manager, Contract Operations		Title:	Senior Vice President

SCHEDULE II

Calamos Strategic Total Return Fund Common Shares

Calamos Strategic Total Return Fund, Series A Mandatory Redeemable Preferred Shares

Calamos Strategic Total Return Fund, Series B Mandatory Redeemable Preferred Shares

Calamos Strategic Total Return Fund, Series C Mandatory Redeemable Preferred Shares

Calamos Strategic Total Return Fund, Series D Mandatory Redeemable Preferred Shares

(effective August 24, 2021)

Calamos Global Total Return Fund Common Shares

Calamos Global Total Return Fund, Series A Mandatory Redeemable Preferred Shares

Calamos Global Total Return Fund, Series B Mandatory Redeemable Preferred Shares

Calamos Global Total Return Fund, Series C Mandatory Redeemable Preferred Shares

Calamos Global Total Return Fund, Series D Mandatory Redeemable Preferred Shares

(effective August 24, 2021)

Calamos Global Total Return Fund, Series E Mandatory Redeemable Preferred Shares

(effective August 24, 2021)

Calamos Global Dynamic Income Fund Common Shares

Calamos Global Dynamic Income Fund, Series A Mandatory Redeemable Preferred Shares

Calamos Global Dynamic Income Fund, Series B Mandatory Redeemable Preferred Shares

Calamos Global Dynamic Income Fund, Series C Mandatory Redeemable Preferred Shares

Calamos Global Dynamic Income Fund, Series D Mandatory Redeemable Preferred Shares

(effective August 24, 2021)

Calamos Global Dynamic Income Fund, Series E Mandatory Redeemable Preferred Shares

(effective August 24, 2021)

Calamos Convertible Opportunities & Income Fund Common Shares

Calamos Convertible Opportunities & Income Fund, Series A Mandatory Redeemable Preferred Shares

Calamos Convertible Opportunities & Income Fund, Series B Mandatory Redeemable Preferred Shares

Calamos Convertible Opportunities & Income Fund, Series C Mandatory Redeemable Preferred Shares

Calamos Convertible Opportunities & Income Fund, Series D Mandatory Redeemable Preferred Shares

(effective August 24, 2021)

Calamos Convertible Opportunities & Income Fund, Series E Mandatory Redeemable Preferred Shares

(effective August 24, 2021)

Calamos Convertible & High Income Fund Common Shares

Calamos Convertible & High Income Fund, Series A Mandatory Redeemable Preferred Shares

Calamos Convertible & High Income Fund, Series B Mandatory Redeemable Preferred Shares

Calamos Convertible & High Income Fund, Series C Mandatory Redeemable Preferred Shares

Calamos Convertible & High Income Fund, Series D Mandatory Redeemable Preferred Shares

(effective August 24, 2021)

Calamos Convertible & High Income Fund, Series E Mandatory Redeemable Preferred Shares

(effective August 24, 2021)

Calamos Dynamic Convertible and Income Fund Common Shares

Calamos Dynamic Convertible and Income Fund, Series A Mandatory Redeemable Preferred Shares

Calamos Dynamic Convertible and Income Fund, Series B Mandatory Redeemable Preferred Shares

Calamos Dynamic Convertible and Income Fund, Series C Mandatory Redeemable Preferred Shares

Calamos Dynamic Convertible and Income Fund, Series D Mandatory Redeemable Preferred Shares

(effective August 24, 2021)

Calamos Dynamic Convertible and Income Fund, Series E Mandatory Redeemable Preferred Shares

(effective August 24, 2021)

Calamos Long/Short Equity & Dynamic Income Trust Common Shares

Calamos Strategic Total Return Fund, Series F (effective February             , 2022)