Schedule A

Trusts and Portfolios Covered by the Amended and Restated Sub-Advisory Agreement

between  

Fidelity Management & Research Company LLC

and

Fidelity Management & Research (Hong Kong) Limited

Name of Trust	Name of Portfolio	Type of Fund	Effective Date
Fidelity Charles Street Trust	Fidelity Health Savings Fund	Fixed Income	03/01/2024
Fidelity Charles Street Trust	Fidelity Health Savings Index Fund	Fixed Income	03/01/2024
Fidelity Income Fund	Fidelity Total Bond K6 Fund	Fixed Income	03/01/2024
Fidelity Merrimack Street Trust	Fidelity Sustainable Core Plus Bond ETF	Fixed Income	03/01/2024
Fidelity Merrimack Street Trust	Fidelity Sustainable Low Duration Bond ETF	Fixed Income	03/01/2024
Fidelity Merrimack Street Trust	Fidelity Tactical Bond ETF	Fixed Income	03/01/2024

Fidelity Management & Research Company LLC	Fidelity Management & Research (Hong Kong) Limited
By: /s/Christopher J. Rimmer	By: /s/Sharon LeCornu
Name: Christopher J. Rimmer	Name: Sharon LeCornu
Title: Treasurer	Title: Director

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