POWER OF ATTORNEY

	Know all by these presents, that the undersigned
hereby constitutes and appoints each of Gregory R. Noe,
A. Paul Wilczynski, Michael A. Harring and James R. Jenkins,
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
June, 2009.

Jean H. Gilles
Signature

Jean H. Gilles
Print Name