Supplemental Indenture dated January 28, 2019 to the Indenture dated June 1, 2015, by and among Energizer Holdings, Inc., the Guarantors party thereto and The Bank of New York Mellon Trust Company, N.A., as Trustee

Exhibit 4.6

Execution Version

SUPPLEMENTAL INDENTURE

dated as of January 28, 2019,

among

ENERGIZER HOLDINGS, INC.,

The Guarantors Party Hereto

and

THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A.,

as Trustee

5.500% Senior Notes due 2025

THIS SUPPLEMENTAL INDENTURE (this “Supplemental Indenture”), entered into as of January 28, 2019, among ENERGIZER HOLDINGS, INC., a Missouri corporation (the “Issuer”), ARMORED AUTOGROUP INC., a Delaware corporation, THE ARMOR ALL/STP PRODUCTS COMPANY, a Delaware corporation, STP PRODUCTS MANUFACTURING COMPANY, a Delaware corporation, and ARMORED AUTOGROUP SALES INC., a Delaware corporation (each an “Undersigned”) and THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., as trustee (the “Trustee”).

RECITALS

WHEREAS, the Issuer, the Guarantors party thereto and the Trustee entered into an Indenture, dated as of June 1, 2015 (the “Indenture”), relating to the Issuer’s 5.500% Senior Notes due 2025 (the “Notes”);

WHEREAS, as a condition to the Trustee entering into the Indenture and the purchase of the Notes by the Holders, the Issuer agreed pursuant to the Indenture to cause any Domestic Restricted Subsidiary that guarantees or becomes an obligor under the Issuer’s Credit Agreement following the Issue Date to provide Note Guarantees.

AGREEMENT

NOW, THEREFORE, in consideration of the premises and mutual covenants herein contained and intending to be legally bound, the parties to this Supplemental Indenture hereby agree as follows:

Section 1. Capitalized terms used herein and not otherwise defined herein are used as defined in the Indenture.

Section 2. Each Undersigned, by its execution of this Supplemental Indenture, agrees to be a Guarantor under the Indenture and to be bound by the terms of the Indenture applicable to Guarantors, including, but not limited to, Article 10 thereof.

Section 3. This Supplemental Indenture shall be governed by and construed in accordance with the laws of the State of New York.

Section 4. This Supplemental Indenture may be signed in various counterparts which together will constitute one and the same instrument. Delivery of an executed signature page by facsimile or electronic transmission (e.g. “pdf” or “tif”), or any electronic signature complying with the U.S. federal ESIGN Act of 2000, Uniform Electronic Transactions Act or other applicable law, e.g., www.docusign.com, shall be effective as delivery of a manually executed counterpart hereof.

Section 5. This Supplemental Indenture is an amendment supplemental to the Indenture, and the Indenture and this Supplemental Indenture will henceforth be read together.

Section 6. The recitals and statements herein are deemed to be those of the Issuer and the Undersigned and not the Trustee. The Trustee shall not be responsible in any manner whatsoever for or in respect of the validity or sufficiency of this Supplemental Indenture or the Guarantees provided by the Guarantors party to this Supplemental Indenture.

Section 7. All notices or other communications to the Issuer and the Guarantors shall be given as provided in Section 12.02 of the Indenture.

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IN WITNESS WHEREOF, the parties hereto have caused this Supplemental Indenture to be duly executed as of the date first above written.

[Signature Page to Supplemental Indenture (2015 Notes)]