Harbor Funds Distributors, Inc. Chicago, Illinois 60606-4302 Re: Distribution Agreement (the “Agreement”) Ladies and Gentlemen:

March 1, 2023

Harbor Funds Distributors, Inc.

000 Xxxxx Xxxxxx Xxxxx, 00^xx Floor

Chicago, Illinois 60606-4302

Re:    Distribution Agreement (the “Agreement”)

Ladies and Gentlemen:

Attached is an amendment to the Agreement dated July 1, 2013, as amended, between Harbor Funds (the “Trust”) and you. Pursuant to §15 of the Agreement, the Trust proposes that the Agreement be amended to replace Exhibit A to the Agreement which lists all of the series of the Trust which are included in and are covered by the Agreement.

Please indicate your acceptance of the foregoing by executing the two originals of this letter agreement, returning one to the Trust and retaining one for your records.

Sincerely,
Harbor Funds
By:		/s/ Xxxx X. Xxxxx
		Xxxx X. Xxxxx
		Chief Compliance Officer

Agreed and Accepted: Harbor Funds Distributors, Inc.
By:		/s/ Xxxxxxx X. XxXxxx
		Xxxxxxx X. XxXxxx
		Chief Executive Officer

EXHIBIT A

Harbor Funds:

1. Harbor Capital Appreciation Fund

2. Harbor Convertible Securities Fund

3. Harbor Core Bond Fund

4. Harbor Core Plus Fund

5. Harbor Disruptive Innovation Fund

6. Harbor Diversified International All Cap Fund

7. Harbor Global Leaders Fund

8. Harbor International Fund

9. Harbor International Core Fund

10. Harbor International Growth Fund

11. Harbor International Small Cap Fund

12. Harbor Large Cap Value Fund

13. Harbor Mid Cap Fund

14. Harbor Mid Cap Value Fund

15. Harbor Small Cap Growth Fund

16. Harbor Small Cap Value Fund

P.O. Box 804660 | Chicago, I llinois 60680-4108

000-000-0000 | xxx.xxxxxxxxxxx.xxx

Distributed by Harbor Funds Distributors, Inc.