March 13, 2023 To: Newell Brands Inc. Ladies and Gentlemen:

Exhibit 99.1

March 13, 2023

To: Xxxxxx Brands Inc.

Ladies and Gentlemen:

Capitalized terms used but not otherwise defined herein shall have the meanings given to such terms in the Director Appointment and Nomination Agreement, dated as of March 18, 2018 (as amended April 23, 2018 and February 8, 2023, the “Nomination Agreement”), among Xxxxxx Brands Inc. (the “Company”) and Xxxx X. Xxxxx, including entities controlled by Mr. Xxxx Xxxxx and his associates and related affiliate entities (collectively, the “Icahn Group”). Pursuant to Section 1(a)(v) of the Nomination Agreement, subject to and effective upon the resignation of Xxxxx X. Xxxxx from the Company’s Board of Directors (“Board”), the Icahn Group hereby designates Xxxxx Xxxxxxxx, Chief Executive Officer of Icahn Enterprises L.P. (“IELP”), to replace Xxxxx Xxxxx as a member of the Board. The Icahn Group further acknowledges and agrees that (i) upon his election to the Board, Xx. Xxxxxxxx will be deemed an Icahn Designee and the Replacement for Xxxxx Xxxxx under the Nomination Agreement; (ii) upon his election to the Board, Gaoxiang (Xxxx) Xx will be deemed an Icahn Designee and the Replacement for Xxxxxxxx X. Xxxxxx under the Nomination Agreement; (iii) upon the conclusion of the 2023 Annual Meeting, Xxxxxxxx X. Xxxxxx will be deemed to be the New Independent Director; and (iv) by no later than March 15, 2023, Xx. Xxxxxxxx will cease serving on the board of directors of any company, other than IELP and the Company, with a class of securities registered pursuant to section 12 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or subject to the requirements of section 15(d) of the Exchange Act or any company registered as an investment company under the Investment Company Act of 1940, as amended.

Very truly yours,
ON BEHALF OF THE ICAHN GROUP
By:		/s/ Xxxxx Xxxx
		Name:		Xxxxx Xxxx
		Title:		Chief Operating Officer

Accepted this 15th day of March, 2023:
XXXXXX BRANDS INC.
By:		/s/ Xxxxxxxx X. Xxxxxx
		Name: Xxxxxxxx X. Xxxxxx
		Title: Chief Legal and Administrative Officer