Exhibit 24
POWER OF ATTORNEY
KNOW ALL BY THESE PRESENTS, that the undersigned hereby
constitutes and appoints Nicholas Khadder, Jonathan Solorzano,
Vincent Fontanilla and Ramona (Nanette) Dove, each with power
to act without the other, his or her true and lawful attorney-in-fact to:
(1) execute for and on behalf of the undersigned, in the
undersigned's capacity as a representative of Amyris, Inc. (the "Company"),
any and all Form ID filings, Forms 3, 4 and 5 reports required to be filed
by the undersigned in accordance with Section 16(a) of the Securities Act
of 1934 and the rules and regulations thereunder with respect to
transactions in Company securities;
(2) do and perform any and all acts for and on behalf of the
undersigned which may be necessary or desirable to complete and execute any
such Form ID filings, Forms 3, 4 and 5 and timely file such forms with the
United States Securities and Exchange Commission and any stock exchange or
similar authority; and
(3) take any other action 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 in connection with the foregoing powers.
The undersigned hereby grants to such attorney-in-fact full power
and authority to do and perform any and every act and thing whatsoever
requisite, 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 any
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 each such attorney-in-fact, in serving in such capacity at the request
of the undersigned, is not assuming, nor is the Company assuming, any of
the undersigned's responsibilities to comply with Section 16 of the
Securities Act of 1934.
This Power of Attorney shall remain in full force and effect until
the undersigned is no longer required to file Forms 3, 4 or 5 with
respect to the undersigned's holdings of and transactions in Company
securities, unless earlier revoked by the undersigned in a signed writing
delivered to any of 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, 2015.
By: /s/ Abraham Cornelis Klaeijsen
(signature)
Name: Abraham Cornelis Klaeijsen
(print name)