POWER OF ATTORNEY

     Know all by these presents, that the undersigned hereby constitutes and
appoints each of Mary K. W. Jones, Edward R. Berk, Paul Wilczynski, and
Julie M. Rosales signing singly, the undersigned's true and lawful
attorney-in-fact to:

1. execute for and on behalf of the undersigned, in the undersigned's
capacity as an officer of Deere & Company (the "Company"), Forms 3, 4 and 5
in accordance with Section 16(a) of the Securities Exchange Act of 1934 and
the rules thereunder and Form 144 in accordance with Rule 144 under the
Securities Act of 1933;

2. do and perform any and all act for and on behalf of the undersigned
which may be necessary or desirable to complete and execute any such
Form 3, 4, 5 and/or 144, complete and execute any amendment or amendments
thereto, and timely file such form with the United States Securities and
Exchange Commission and any stock exchange or similar authority; and

3. take any other action of any type whatsoever in connection with the
foregoing which, in the opinion of such attorney-in-fact, may be of benefit
to, in the best interest of, or legally required by, the undersigned, it
being understood that the documents executed by such attorney-in-fact on
behalf of the undersigned pursuant to this Power of Attorney shall be in
such form and shall contain such terms and conditions as such
attorney-in-fact may approve in such attorney-in-fact's discretion.

     The undersigned hereby grants to each such attorney-in-fact full
power and authority to do and perform any and every act and thing
whatsoever requisite, necessary, or proper to be done in the exercise
of any of the rights and powers herein granted, as fully to all intents
and purposes as the undersigned might or could do if personally present,
with full power of substitution or revocation, hereby ratifying and
confirming all that such attorney-in-fact, or such attorney-in-fact's
substitute or substitutes, shall lawfully do or cause to be done by
virtue of this power of attorney and the rights and powers herein granted.
The undersigned acknowledges that the foregoing attorneys-in-fact, in
serving in such capacity at the request of the undersigned, are not assuming,
nor is the Company assuming, any of the undersigned's responsibilities to
comply with Section 16 of the Securities Exchange Act of 1934, or Rule 144
of the Securities Act of 1933.

     This Power of Attorney shall remain in full force and effect until
the undersigned is no longer required to file Forms 3, 4, 5 and 144 with
respect to the undersigned's holdings of and transactions in securities
issued by the Company, unless earlier revoked by the undersigned in a
signed writing delivered to the foregoing attorneys-in-fact.

     IN WITNESS WHEREOF, the undersigned has caused this Power of
Attorney to be executed as of this 1st day of November, 2023.

/s/ Deanna M. Kovar
Signature

DEANNA M. KOVAR
Print Name