Second Amendment to Credit Agreement, dated as of December 20, 2023, by and among AZZ Inc., the Guarantors, the Lenders, and Citibank, N.A., as Administrative Agent and Collateral Agent

This SECOND AMENDMENT, dated as of December 20, 2023 (this “Agreement”), to that certain CREDIT AGREEMENT, dated as of May 13, 2022 (as amended by that certain First Amendment, dated as of August 17, 2023, and as further amended, restated, amended and restated, supplemented or otherwise modified from time to time prior to the date hereof, the “Existing Credit Agreement”), among AZZ INC., a Texas corporation (the “Company”), the Subsidiaries of the Company party hereto, the LENDERS party hereto, the L/C ISSUERS and SWINGLINE LENDERS party hereto and CITIBANK, N.A., as Administrative Agent and Collateral Agent (the “Administrative Agent”) (capitalized terms used but not defined herein have the meaning provided in the Amended Credit Agreement (as defined below)).

WHEREAS, pursuant to the Existing Credit Agreement, the Initial Revolving Credit Lenders hold Initial Revolving Credit Commitments on the terms and subject to the conditions set forth therein;

WHEREAS, the Company has requested that the Existing Credit Agreement be amended (the Existing Credit Agreement as amended by this Agreement, the “Amended Credit Agreement”) to provide for (a) the reduction of the Applicable Rate applicable to the Initial Revolving Credit Commitments and (b) modification of certain other provisions in the Existing Credit Agreement, as provided herein;

WHEREAS, each Initial Revolving Credit Lender has agreed to the terms of this Agreement upon the effectiveness of this Agreement on the Second Amendment Effective Date;

WHEREAS, each of Citi (as defined below), Wells Fargo (as defined below), Barclays Bank PLC (“Barclays”), U.S. Bank National Association, (“U.S. Bank”) and CIBC (as defined below), have been appointed as joint lead arrangers and joint bookrunners in connection with this Agreement (Citi, Wells Fargo, Barclays, U.S. Bank and CIBC, collectively, the “Arrangers”; as used herein, (a) “Citi” means Citibank, N.A., Citigroup Global Markets Inc., Citicorp USA, Inc., Citicorp North America, Inc. and/or any of their affiliates as Citi shall determine to be appropriate, (b) “Wells Fargo” means Wells Fargo Securities, LLC, Wells Fargo Bank, N.A. and/or any of their affiliates as Wells Fargo shall determine to be appropriate and (c) “CIBC” shall mean CIBC Bank USA, Canadian Imperial Bank of Commerce, New York Branch, CIBC World Markets Corp. and/or any of their affiliates as CIBC shall determine to be appropriate).

SECTION 1.    Amendment of the Existing Credit Agreement. Effective as of the Second Amendment Effective Date, the Existing Credit Agreement is hereby amended as follows:

(a)    The following definitions are added in the appropriate alphabetical order to Section 1.01 of the Existing Credit Agreement:

“Second Amendment” shall mean that certain Second Amendment, dated as of the Second Amendment Effective Date, among the Loan Parties, the Initial Revolving Credit Lenders and the Administrative Agent.

“Second Amendment Effective Date” means December 20, 2023.

(b)    Clause (a) of the definition of “Applicable Rate” is hereby amended and restated in its entirety to read as follows:

“(a)(i) with respect to any Revolving Credit Loan, (A) at any time prior to the Second Amendment Effective Date, (w) for any Adjusted Term SOFR Loan, 4.25% per annum, (x) for

any Canadian Term Rate Loan, 4.25% per annum, (y) for any Base Rate Loan, 3.25% per annum and (z) for any Canadian Prime Rate Loan, 3.25% per annum and (B) at any time on or following the Second Amendment Effective Date, the rate per annum set forth in the below table based upon the First Lien Net Leverage Ratio shall apply:

; and

(c)    Clause (c) of the definition of “Applicable Rate” is hereby amended and restated in its entirety to read as follows:

(d)    The final paragraph of the definition of “Applicable Rate” is hereby amended and restated in its entirety to read as follows:

“Any increase or decrease in the Applicable Rate resulting from a change in the First Lien Net Leverage Ratio shall become effective as of the first Business Day immediately following the date a Compliance Certificate is delivered or required to be delivered pursuant to Section 7.02(a); provided, that, if financial statements are not delivered when required pursuant to Section 7.01(a) or (b), as applicable, the “Applicable Rate” for (x) Revolving Credit Loans shall be as set forth in Category 1 of the table above and (y) Commitment Fees shall be as set forth in clause (c)(ii)(x) above; provided, further, that the “Applicable Rate” in effect as of the Second Amendment Effective Date shall be determined by reference to the most recently delivered Compliance Certificate prior to such date.”

(e)    Clause (a) of the definition of “Term SOFR Adjustment” is amended and restated in its entirety as follows:

“(a) any Revolving Loan, a percentage per annum equal to 0.00%”.

SECTION 2.    [Reserved].

SECTION 4.    Conditions to Effectiveness of Agreement. The amendment of the Existing Credit Agreement and associated provisions set forth herein shall become effective as of the first date on which the following occur or have been waived in accordance with Section 11.01 of the Existing Credit Agreement (the “Second Amendment Effective Date”):

(a)    The Administrative Agent shall have received duly executed counterparts of this Agreement from (A) the Company and each Guarantor, (B) each Initial Revolving Credit Lender, (C) the Administrative Agent, (D) each L/C Issuer and (E) each Swingline Lender.

(b)    The Administrative Agent shall have received a customary closing certificate from a secretary, assistant secretary or similar officer or authorized representative of each Loan Party certifying as to (i) resolutions duly adopted by the board of directors (or equivalent governing body) of each such Loan Party authorizing the execution, delivery and performance of this Agreement, as applicable, (ii) the accuracy and completeness of copies of the certificate or articles of incorporation, continuation, amalgamation, association or organization (or memorandum of association or other equivalent thereof) of each such Loan Party certified by the relevant authority of the jurisdiction of organization of each such Loan Party and copies of the by-laws or operating, management, partnership, shareholders or similar agreement of each such Loan Party and that such documents or agreements have not been amended (except as otherwise attached to such certificate and certified therein as being the only amendments thereto as of such date), (iii) incumbency (to the extent applicable) and specimen signatures of each officer, director or authorized representative executing any Loan Document on behalf of each such Loan Party and (iv) the good standing (or subsistence or existence) of each such Loan Party from the Secretary of State (or similar official) of the state or other jurisdiction of such Loan Party’s organization (to the extent relevant and available in the jurisdiction of organization of such Loan Party).

(c)    The Administrative Agent shall have received (x) certified copies of the certificate or articles of incorporation (or comparable organizational document), including all amendments thereto, of each Loan Party as in effect on the Second Amendment Effective Date, certified as of a recent date by the Secretary of State (or comparable authority) of the jurisdiction of its organization and (y) a certificate as to the good standing of each Loan Party as of a recent date, from such Secretary of State (or comparable authority).

(d)    The Administrative Agent shall have received a certificate from a financial officer of the Company substantially in the form of Exhibit D to the Existing Credit Agreement, to the effect that, immediately before and after giving effect to the transactions contemplated hereby, the Company and its Subsidiaries, taken as a whole, are Solvent.

(e)    The Administrative Agent shall have received the executed customary legal opinion of Baker & McKenzie LLP, as counsel to the Company.

(f)    The representations and warranties made in this Agreement shall be true and correct (i) in the case of such representations and warranties qualified or modified as to materiality in the text thereof, in all respects and (ii) otherwise, in all material respects. The Administrative Agent shall have received a customary certificate from a Responsible Officer of the Company.

(g)    The Company shall have paid to the Administrative Agent immediately available funds in an aggregate amount equal to (A) all fees and other amounts due and payable by the Company on or prior to the Second Amendment Effective Date pursuant to this Agreement or as separately agreed by the

Company and certain of the Arrangers and (B) invoiced (with reasonable details) out of pocket expenses of the Administrative Agent and the Arrangers relating hereto (including those of counsel to the Administrative Agent and the Arrangers) subject to the terms of the engagement letter with the Arrangers and the Borrower relating to the amendment contemplated hereby, and to the extent invoiced 2 business days prior to the Second Amendment Effective Date.

(h)    The Company shall have paid to the Administrative Agent, for the account of each Initial Revolving Credit Lender, the following amounts in immediately available funds in Dollars: (i) an amendment fee equal to 0.075% of the Initial Revolving Credit Commitments of such Initial Revolving Credit Lender on the Second Amendment Effective Date and (ii) all other accrued and unpaid interest and fees (if any) in respect of the Revolving Loans outstanding on the Second Amendment Effective Date through but excluding the Second Amendment Effective Date and all other amounts payable in respect thereof (including amounts payable under the Existing Credit Agreement, as applicable), in each case, which shall not be refundable once paid.

(i)    To the extent requested at least five Business Days prior to the Second Amendment Effective Date, the Lenders shall have received (i) all documentation and other information required by bank regulatory authorities under applicable “know-your-customer” and anti-money laundering rules and regulations, including, without limitation, the Patriot Act, and (ii) a Beneficial Ownership Certification in relation to the Company that qualifies as a “legal entity customer” under the Beneficial Ownership Regulation, in each case, at least 2 Business Days prior to the Second Amendment Effective Date.

The Administrative Agent shall notify the Company and the Initial Revolving Credit Lenders of the Second Amendment Effective Date, and such notice shall be conclusive and binding absent manifest error.

For purposes of determining compliance with the conditions specified above, each Lender party to this Agreement shall be deemed to have consented to, approved or accepted or to be satisfied with each document or other matter required hereunder to be consented to or approved by or acceptable or satisfactory to such Person unless an officer of the Administrative Agent responsible for the transactions contemplated by the Loan Documents shall have received written notice from such Person prior to the Second Amendment Effective Date specifying its objection thereto.

SECTION 5.    Representations and Warranties. The Company hereby represents and warrants to the Administrative Agent and each Lender on the Second Amendment Effective Date that:

(a)    This Agreement has been duly authorized, executed and delivered by the Company and constitutes a legal, valid and binding obligation of the Company, enforceable against the Company in accordance with its terms, subject to applicable bankruptcy, insolvency, reorganization, moratorium or other laws affecting creditors’ rights generally and subject to general principles of equity, regardless of whether considered in a proceeding in equity or at law.

(b)    The representations and warranties of each Loan Party set forth in the Loan Documents are true and correct (i) in the case of the representations and warranties qualified or modified as to materiality in the text thereof, in all respects and (ii) otherwise, in all material respects, in each case on and as of the Second Amendment Effective Date, except in the case of any such representation and warranty that expressly relates to an earlier date, in which case such representation and warranty shall be so true and correct, or true and correct in all material respects, as applicable, on and as of such earlier date.

(c)    No Default or Event of Default has occurred and is continuing or would result from the transactions provided for in this Agreement.

SECTION 6.    Effects on Loan Documents; No Novation. (a) Except as expressly set forth herein, this Agreement shall not alter, modify, amend or in any way affect any of the terms, conditions, obligations, covenants or agreements contained in the Existing Credit Agreement, the Amended Credit Agreement or

any other Loan Document, all of which shall continue to be in full force and effect and are hereby in all respects ratified and confirmed.

(b)    Except as expressly set forth herein, the execution, delivery and effectiveness of this Agreement shall not operate as a waiver of any right, power or remedy of any Lender or the Administrative Agent under any of the Loan Documents, nor constitute a waiver of any provision of the Loan Documents or in any way limit, impair or otherwise affect the rights and remedies of the Administrative Agent or the Lenders under the Loan Documents. Nothing herein shall be deemed to entitle the Company or any other Loan Party to a consent to, or a waiver, amendment, modification or other change of, any of the terms, conditions, obligations, covenants or agreements contained in the Amended Credit Agreement or any other Loan Document in similar or different circumstances.

(c)    On and after the Second Amendment Effective Date, each reference in the Amended Credit Agreement to “this Agreement”, “hereunder”, “hereof”, “herein” or words of like import, and each reference to the “Credit Agreement”, “thereunder”, “thereof”, “therein” or words of like import in any other Loan Document, shall be deemed a reference to the Amended Credit Agreement. The Company and the other parties hereto acknowledge and agree that this Agreement shall constitute a Loan Document for all purposes of the Existing Credit Agreement, the Amended Credit Agreement and the other Loan Documents.

(d)    Neither this Agreement nor the effectiveness of the Amended Credit Agreement shall extinguish the obligations for the payment of money outstanding under the Existing Credit Agreement or discharge or release the Lien or priority of any Collateral Document or any other security therefor or any guarantee thereof. Nothing herein contained shall be construed as a substitution or novation of the Obligations outstanding under the Existing Credit Agreement or the Collateral Documents or instruments guaranteeing or securing the same, which shall remain in full force and effect, except as may be expressly modified hereby. Nothing expressed or implied in this Agreement, the Amended Credit Agreement or any other document contemplated hereby or thereby shall be construed as a release or other discharge of any Loan Party under any Loan Document from any of its obligations and liabilities thereunder.

SECTION 7.    [Reserved].

SECTION 8.    [Reserved].

SECTION 9.    Further Assurances. The Company agrees to do, execute, acknowledge, deliver, record, re-record, file, re-file, register and re-register any and all such further acts, deeds, certificates, assurances and other instruments as the Administrative Agent or Collateral Agent may reasonably require from time to time in order to implement the provisions of this Agreement.

SECTION 10.    APPLICABLE LAW, JURISDICTION, WAIVER OF JURY TRIAL. THE PROVISIONS OF SECTIONS 11.16 AND 11.18 OF THE EXISTING CREDIT AGREEMENT ARE HEREBY INCORPORATED BY REFERENCE HEREIN, MUTATIS MUTANDIS.

SECTION 11.    Counterparts. This Agreement may be executed in any number of counterparts and by different parties hereto in separate counterparts, each of which when so executed shall be deemed to be an original and all of which taken together shall constitute one and the same agreement. Delivery of an executed counterpart of a signature page to this Agreement by telecopier or email shall be effective as delivery of a manually executed counterpart of this Agreement. The words “execution,” “signed,” “signature,” and words of like import in this Agreement shall be deemed to include electronic signatures or the keeping of records in electronic form, each of which shall be of the same legal effect, validity or enforceability as a manually executed signature or the use of a paper-based recordkeeping system, as the case may be, to the extent and as provided for in any applicable law, including the Federal Electronic Signatures in Global and National Commerce Act, the New York State Electronic Signatures and Records Act, or any other similar state laws based on the Uniform Electronic Transactions Act.

SECTION 12.    Notices. All notices, requests and demands to or upon the respective parties hereto shall be given in the manner, and become effective, as set forth in Section 11.02 of the Amended Credit Agreement.

SECTION 13.    Reaffirmation. By signing this Agreement, each Loan Party party hereto hereby confirms that, as of the Second Amendment Effective Date, the obligations of the Loan Parties under the Amended Credit Agreement and the other Loan Documents (i) are entitled to the benefits of the guarantees and Liens set forth or created in the Existing Credit Agreement, the Collateral Documents and each other Loan Documents, (ii) constitute “Obligations” or other similar term for purposes of (and as defined in, as applicable) the Existing Credit Agreement, the Collateral Documents and all other Loan Documents, and (iii) except as expressly set forth herein, the Collateral Documents and the other Loan Documents are, and shall continue to be, in full force and effect and are hereby ratified and confirmed in all respects. Each Loan Party party hereto hereby ratifies and confirms that, as of the Second Amendment Effective Date, all Liens granted, conveyed or assigned to the Administrative Agent or Collateral Agent, as applicable, by such Person pursuant to any Loan Document to which it is a party remain in full force and effect, are not released or reduced, and continue to secure full payment and performance of the Obligations. Each Loan Party other than the Company acknowledges and agrees that (i) notwithstanding the conditions to effectiveness set forth in this Agreement, such Loan Party is not required by the terms of the Existing Credit Agreement or any other Loan Document to consent to this Agreement and (ii) nothing in the Existing Credit Agreement, the Amended Credit Agreement, this Agreement or any other Loan Document shall be deemed to require the consent of such Loan Party to any future amendment, consent or waiver of the terms of the Amended Credit Agreement.

IN WITNESS WHEREOF, the parties hereto have caused this Agreement to be duly executed and delivered by their respective proper and duly authorized officers as of the day and year first above written.