Icahn Enterprises (IEP) 10-Q 2015 Q3 Quarterly report

EXHIBIT 32.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER

Pursuant to Section 906 of the Sarbanes Oxley Act of 2002 (18 U.S.C. 1350) and

Rules 13a-14(b) of the Securities Exchange Act of 1934

In connection with the joint quarterly report on Form 10-Q of Icahn Enterprises L.P. and Icahn Enterprises Holdings L.P., for the period ended September 30, 2015, the undersigned certify that, to the best of his knowledge, based upon a review of the Icahn Enterprises L.P. and Icahn Enterprises Holdings L.P. joint quarterly report on Form 10-Q for the period ended September 30, 2015:

(1) The report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended; and

(2) The information contained in the report fairly presents, in all material respects, the financial condition and results of operations of the registrants.

/s/Keith Cozza

Keith Cozza

President and Chief Executive Officer of Icahn Enterprises G.P. Inc., the general partner of Icahn Enterprises L.P. and Icahn Enterprises Holdings L.P.

Date: November 9, 2015

/s/SungHwan Cho

SungHwan Cho

Chief Financial Officer of Icahn Enterprises G.P. Inc., the general partner of Icahn Enterprises L.P. and Icahn Enterprises Holdings L.P.

Date: November 9, 2015