Schedule A

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

between

Fidelity Management & Research Company LLC

and

FMR Investment Management (UK) 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	FMR Investment Management (UK) Limited
By: /s/Christopher J. Rimmer	By: /s/Mark D. Flaherty
Name: Christopher J. Rimmer	Name: Mark D. Flaherty
Title: Treasurer	Title: Director

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