EFX / Equifax Inc. - SEC-arkivering, Årsberetning, Fuldmagtserklæring

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 7, 2026 EQUIFAX INC. (Exact N

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 7, 2026 EQUIFAX INC. (Exact Name of Registrant as Specified in Charter) Georgia 001-06605 58-0401110 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS E

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 23, 2026 EQUIFAX INC. (Exac

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 23, 2026 EQUIFAX INC. (Exact Name of Registrant as Specified in Charter) Georgia 001-06605 58-0401110 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IR

FOURTH AMENDMENT TO CREDIT AGREEMENT

EX-10.1 Exhibit 10.1 Execution Version FOURTH AMENDMENT TO CREDIT AGREEMENT THIS FOURTH AMENDMENT TO CREDIT AGREEMENT (“Fourth Amendment”) is entered into as of April 23, 2026, among EQUIFAX INC., a Georgia corporation (the “Company”), the Designated Borrowers, the Lenders (including the 2026 Incremental Revolving Lenders and 2029 Revolving Lenders) and JPMORGAN CHASE BANK, N.A. (“JPMorgan”), in i

EQUIFAX INC. 2023 OMNIBUS INCENTIVE PLAN PERFORMANCE SHARE AWARD AGREEMENT (ADJUSTED EBITDA): [2026] – [2028] Performance Period MARK W. BEGOR Target Number of Shares Subject to Award: [ ] Grant Date: [ ]

Exhibit 10.2 EQUIFAX INC. 2023 OMNIBUS INCENTIVE PLAN PERFORMANCE SHARE AWARD AGREEMENT (ADJUSTED EBITDA): [2026] – [2028] Performance Period MARK W. BEGOR Target Number of Shares Subject to Award: [ ] Grant Date: [ ] Pursuant to the Equifax Inc. 2023 Omnibus Incentive Plan, effective May 4, 2023 (the “Plan”), Equifax Inc., a Georgia corporation (the “Company”), has granted the above-named partici

Security Type

Calculation of Filing Fee Tables S-3 EQUIFAX INC Table 1: Newly Registered and Carry Forward Securities ☐Not Applicable Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forward Form Type Carry Forward File Number Carry Forward Initial Effective Date Filing Fee Previously Paid in Connection with Unsold Securities to be Carried Forward Newly Registered Securities Fees to be Paid 1 Debt Debt Securities 457(r) 0.

EQUIFAX INC. 2023 OMNIBUS INCENTIVE PLAN PERFORMANCE SHARE AWARD AGREEMENT (ADJUSTED EBITDA): [2026] – [2028] Performance Period EMPLOYEE NAME Target Number of Shares Subject to Award: [ ] Grant Date: [ ]

Exhibit 10.4 EQUIFAX INC. 2023 OMNIBUS INCENTIVE PLAN PERFORMANCE SHARE AWARD AGREEMENT (ADJUSTED EBITDA): [2026] – [2028] Performance Period EMPLOYEE NAME Target Number of Shares Subject to Award: [ ] Grant Date: [ ] Pursuant to the Equifax Inc. 2023 Omnibus Incentive Plan, effective May 4, 2023 (the “Plan”), Equifax Inc., a Georgia corporation (the “Company”), has granted the above-named partici

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE

EX-25.1 Exhibit 25.1 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM T-1 STATEMENT OF ELIGIBILITY UNDER THE TRUST INDENTURE ACT OF 1939 OF A CORPORATION DESIGNATED TO ACT AS TRUSTEE ☐ Check if an Application to Determine Eligibility of a Trustee Pursuant to Section 305(b)(2) U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (Exact name of Trustee as specified in its charter) 91-1821036

INDENTURE DATED AS OF [•] BETWEEN EQUIFAX INC., as Issuer U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, as Trustee Providing for Issuance of Debt Securities in Series

EX-4.10 Exhibit 4.10 INDENTURE DATED AS OF [•] BETWEEN EQUIFAX INC., as Issuer AND U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION, as Trustee Providing for Issuance of Debt Securities in Series TABLE OF CONTENTS Page ARTICLE 1 DEFINITIONS AND OTHER PROVISIONS OF GENERAL APPLICATION 1 SECTION 101. DEFINITIONS 1 SECTION 102. COMPLIANCE CERTIFICATES AND OPINIONS 6 SECTION 103. FORM OF DOCUMENTS DELIVE

EQUIFAX INC. 2023 OMNIBUS INCENTIVE PLAN RESTRICTED STOCK UNIT AWARD AGREEMENT MARK W. BEGOR Number of Shares Subject to Award: [ ] Date of Grant: [ ]

Exhibit 10.1 EQUIFAX INC. 2023 OMNIBUS INCENTIVE PLAN RESTRICTED STOCK UNIT AWARD AGREEMENT MARK W. BEGOR Number of Shares Subject to Award: [ ] Date of Grant: [ ] Pursuant to the Equifax Inc. 2023 Omnibus Incentive Plan, effective May 4, 2023 (the “Plan”), Equifax Inc., a Georgia corporation (the “Company”), has granted the above-named participant (“Participant”) Restricted Stock Units (the “Awar

EQUIFAX INC. 2023 OMNIBUS INCENTIVE PLAN RESTRICTED STOCK UNIT AWARD AGREEMENT EMPLOYEE NAME Number of Shares Subject to Award: [ ] Date of Grant: [ ]

Exhibit 10.3 EQUIFAX INC. 2023 OMNIBUS INCENTIVE PLAN RESTRICTED STOCK UNIT AWARD AGREEMENT EMPLOYEE NAME Number of Shares Subject to Award: [ ] Date of Grant: [ ] Pursuant to the Equifax Inc. 2023 Omnibus Incentive Plan, effective May 4, 2023 (the “Plan”), Equifax Inc., a Georgia corporation (the “Company”), has granted the above-named participant (“Participant”) Restricted Stock Units (the “Awar

As filed with the Securities and Exchange Commission on April 21, 2026.

S-3ASR Table of Contents As filed with the Securities and Exchange Commission on April 21, 2026.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2026 ☐ TRANSITION REPORT P

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2026 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission File Number: 001-06605 EQUIFAX

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): April 21, 2026 EQUIFAX INC. (Exac

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): April 21, 2026 EQUIFAX INC. (Exact name of registrant as specified in Charter) GA 001-06605 58-0401110 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Emp

Equifax Delivers Record First Quarter Revenue - $37 Million Above Midpoint of February Guidance

Exhibit 99.1 1550 Peachtree Street, N.W. Atlanta, Georgia 30309 NEWS RELEASE Contact: Trevor Burns Kate Walker Investor Relations Media Relations [email protected] [email protected] Equifax Delivers Record First Quarter Revenue - $37 Million Above Midpoint of February Guidance ATLANTA, APRIL 21, 2026 - Equifax® (NYSE: EFX) today announced financial results for the quarter ended Mar

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. )

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No.

DEF 14A

EFX.AI: Powering the Future Driving higher-performing, AI-powered innovation fueled by proprietary data. Notice of 2026 Annual Meeting and Proxy StatementTo our fellow shareholders 2025 was an energizing year of growth and innovation. With our $3 billion global security and technology transformation – and the creation of the Equifax Cloud™ – principally complete, EFX.AI is powering the future of t

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X.AI: Powering the Future Drivinghigher-p r r erforming,AI-poweredinnovation fueledbyproprietarydata. 2025Annual ReportTo our fellow shareholders 2025wasanenergizingyear ofgrowthandinnovation. Withour$3billionglobal securityandtechnology transformation–andthe creationoftheEquifaxCloud™ –principallycomplete,EFX.AI ispoweringthefutureofthe NewEquifax.Weare ramping the deployment of patented EFX.AI t

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. )

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. )

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No.

LIST OF EQUIFAX INC. SUBSIDIARIES

Exhibit 21.1 LIST OF EQUIFAX INC. SUBSIDIARIES Subsidiaries of the Registrant Equifax Inc. (a Georgia corporation) – as of December 31, 2025. Name of Subsidiary State or Country of Incorporation Apac BizInfo Pte Limited Singapore Appriss Insights, LLC Delaware ASNEF/Equifax Servicios de Informacion Sobre Solvencia y Credito S.L. Spain Austin Consolidated Holdings, Inc. Texas Barnett Associates Ope

TABLE OF CONTENTS

Exhibit 19 CORPORATE POLICIES DOCUMENT INSIDER TRADING POLICY POLICY MANAGER: Lisa Stockard, Corporate Secretary SLT MEMBER: Julia Houston, Executive Vice President, Chief Legal Officer LAST MODIFIED: August 19, 2025 DATE OF LAST SLT MEMBER REVIEW: August 19, 2025 BOARD APPROVAL REQUIRED: Yes (Governance Committee) POLICY OVERVIEW This Policy concerns the handling of material, non-public information relating to Equifax Inc.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-06605 EQUIFAX INC. (Exact name o

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): February 4, 2026 EQUIFAX INC. (Ex

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): February 4, 2026 EQUIFAX INC. (Exact name of registrant as specified in Charter) GA 001-06605 58-0401110 (State or other jurisdiction of incorporation) (Commission File Number) (IRS E

Equifax Delivers Fourth Quarter 2025 Revenue Growth of 9% Despite Weaker U.S. Hiring and Mortgage Markets

Exhibit 99.1 1550 Peachtree Street, N.W. Atlanta, Georgia 30309 NEWS RELEASE Contact: Trevor Burns Kate Walker Investor Relations Media Relations [email protected] [email protected] Equifax Delivers Fourth Quarter 2025 Revenue Growth of 9% Despite Weaker U.S. Hiring and Mortgage Markets ATLANTA, FEBRUARY 4, 2026 - Equifax® (NYSE: EFX) today announced financial results for the quart

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2025 ☐ TRANSITION REPO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission File Number: 001-06605 EQU

Equifax Delivers Results Above Third Quarter Guidance; Raising Full Year Guidance

Exhibit 99.1 1550 Peachtree Street, N.W. Atlanta, Georgia 30309 NEWS RELEASE Contact: Trevor Burns Kate Walker Investor Relations Media Relations [email protected] [email protected] Equifax Delivers Results Above Third Quarter Guidance; Raising Full Year Guidance ATLANTA, OCTOBER 21, 2025 - Equifax® (NYSE: EFX) today announced financial results for the quarter ended September 30, 2

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): October 21, 2025 EQUIFAX INC. (Ex

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): October 21, 2025 EQUIFAX INC. (Exact name of registrant as specified in Charter) GA 001-06605 58-0401110 (State or other jurisdiction of incorporation) (Commission File Number) (IRS E

144

144 0001865864 XXXXXXXX LIVE 0000033185 EQUIFAX INC 001-06605 1550 PEACHTREE ST NW ATLANTA GA 30302 4048858000 Nelson Lisa M Former Officer Common Fidelity Brokerage Services LLC 900 Salem Street Smithfield RI 02917 4553 1111895.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): July 22, 2025 EQUIFAX INC. (Exact

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): July 22, 2025 EQUIFAX INC. (Exact name of registrant as specified in Charter) GA 001-06605 58-0401110 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Empl

Articles of Amendment to the Amended and Restated Articles of Incorporation of Equifax Inc.

Exhibit 3.1 ARTICLES OF AMENDMENT TO THE AMENDED AND RESTATED ARTICLES OF INCORPORATION OF EQUIFAX INC. Pursuant to Section 14-2-1006 of the Georgia Business Corporation Code (the “GBCC”), Equifax Inc., a Georgia corporation, hereby submits the following Articles of Amendment. I. The name of the corporation is Equifax Inc. (the “Corporation”). II. The Corporation’s Amended and Restated Articles of

Third Amendment to Credit Agreement, dated as of May 27, 2025, by and between Equifax Inc. and JPMorgan Chase Bank, N.A., as administrative agent

Exhibit 10.1 THIRD AMENDMENT TO CREDIT AGREEMENT THIS THIRD AMENDMENT TO CREDIT AGREEMENT (“Third Amendment”) is entered into as of May 27, 2025, among EQUIFAX INC., a Georgia corporation (the “Company”) and JPMORGAN CHASE BANK, N.A. (“JPMorgan”), in its capacity as Administrative Agent (in such capacity, the “Administrative Agent”). RECITALS A. WHEREAS, the Company, certain other Borrowers party

Equifax Delivers Above Guidance Second Quarter Results; Returns Approximately $190 Million Cash to Shareholders

Exhibit 99.1 1550 Peachtree Street, N.W. Atlanta, Georgia 30309 NEWS RELEASE Contact: Trevor Burns Kate Walker Investor Relations Media Relations [email protected] [email protected] Equifax Delivers Above Guidance Second Quarter Results; Returns Approximately $190 Million Cash to Shareholders ATLANTA, JULY 22, 2025 - Equifax® (NYSE: EFX) today announced financial results for the qu

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 ☐ TRANSITION REPORT PU

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission File Number: 001-06605 EQUIFAX

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 28, 2025 EQUIFAX INC. (Exact Name of Registrant as Specified in Charter) Georgia 001-06605 58-0401110 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 8, 2025 EQUIFAX INC. (Exact N

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 8, 2025 EQUIFAX INC. (Exact Name of Registrant as Specified in Charter) Georgia 001-06605 58-0401110 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS E

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): April 22, 2025 EQUIFAX INC. (Exact name of registrant as specified in Charter) GA 001-06605 58-0401110 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Emp

Equifax Delivers Above Guidance First Quarter Results; Authorizes New $3 Billion Share Repurchase Program and 28% Dividend Increase

Exhibit 99.1 1550 Peachtree Street, N.W. Atlanta, Georgia 30309 NEWS RELEASE Contact: Trevor Burns Kate Walker Investor Relations Media Relations [email protected] [email protected] Equifax Delivers Above Guidance First Quarter Results; Authorizes New $3 Billion Share Repurchase Program and 28% Dividend Increase ATLANTA, APRIL 22, 2025 - Equifax® (NYSE: EFX) today announced financi

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 ☐ TRANSITION REPORT P

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2025 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission File Number: 001-06605 EQUIFAX

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

TABLE OF CONTENTS UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No.

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1550 Peachtree Street NW, Atlanta, GA 30309 • 404.885.8000 • equifax.com Equifax Inc. • 2024 Annual Report Building on a strong foundation of the Equifax Cloud TM to accelerate innovation, new products, EFX.AI capabilities and growth 2024 Annual Report efef x.next2024 marked an energizing chapter of transformation and towards the completion of our data and technology transformation, and as we look

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant [X ] Filed by a Party other than the Registrant [ ] Check the appropriate box: [X ] Preliminary Proxy Statement [ ] Confidential, for Use of the Commission Only (as permitted

nc. 2023 Omnibus Incentive Plan, effective November 20, 2024

Exhibit 10.11 AMENDMENT NO. 1 TO THE EQUIFAX INC. 2023 OMNIBUS INCENTIVE PLAN THIS AMENDMENT NO. 1 is made as of this 20th day of November, 2024 by Equifax Inc. (the “Company”); WHEREAS, the Company maintains the Equifax Inc. 2023 Omnibus Incentive Plan, effective May 4, 2023 (the “Plan”); and WHEREAS, the Company desires to amend the Plan to permit the issuance of fractional shares. NOW, THEREFOR

Subsidiaries of Equifax Inc.

Exhibit 21.1 LIST OF EQUIFAX INC. SUBSIDIARIES Subsidiaries of the Registrant Equifax Inc. (a Georgia corporation) – as of December 31, 2024. Name of Subsidiary State or Country of Incorporation AccountScore Limited United Kingdom Acordo Certo Participações S.A. Brazil Apac BizInfo Pte Limited Singapore Appriss Insights, LLC Delaware ASNEF/Equifax Servicios de Informacion Sobre Solvencia y Credito

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-06605 EQUIFAX INC. (Exact name o

Equifax Inc. Insider Tr

Exhibit 19 EQUIFAX CONFIDENTIAL CORPORATE POLICIES DOCUMENT INSIDER TRADING POLICY POLICY NUMBER: EQ-Legal-002 POLICY MANAGER: Lisa Stockard, Assistant Secretary SLT MEMBER: J.

Equifax Delivers Fourth Quarter 2024 Revenue Growth of 7% Despite Weak U.S. Hiring and Mortgage Markets

Exhibit 99.1 1550 Peachtree Street, N.W. Atlanta, Georgia 30309 NEWS RELEASE Contact: Trevor Burns Kate Walker Investor Relations Media Relations [email protected] [email protected] Equifax Delivers Fourth Quarter 2024 Revenue Growth of 7% Despite Weak U.S. Hiring and Mortgage Markets ATLANTA, FEBRUARY 6, 2025 - Equifax® (NYSE: EFX) today announced financial results for the quarter

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): February 6, 2025 EQUIFAX INC. (Exact name of registrant as specified in Charter) GA 001-06605 58-0401110 (State or other jurisdiction of incorporation) (Commission File Number) (IRS E

EX-99

EX-99 3 ITEM7.txt EXHIBIT 99: ITEM 7 BlackRock Life Limited BlackRock International Limited Aperio Group, LLC BlackRock Advisors, LLC BlackRock France SAS BlackRock (Netherlands) B.V. BlackRock Institutional Trust Company, National Association BlackRock Asset Management Ireland Limited BlackRock Financial Management, Inc. BlackRock Japan Co., Ltd. BlackRock Asset Management Schweiz AG BlackRock In

EX-24

POWER OF ATTORNEY The undersigned, BlackRock, Inc., a corporation duly organized under the laws of the State of Delaware, United States (the "Company"), does hereby make, constitute and appoint each of Eric Andruczyk, Richard Cundiff, R. Andrew Dickson, III, Spencer Fleming, Laura Hildner, David Maryles, Christopher Meade, Charles Park, James Raby, Daniel Riemer, David Rothenberg and Brenda Schulz

EFX / Equifax Inc. / Capital International Investors - SEC SCHEDULE 13G Passive Investment

SC 13G/A 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 3 )* Equifax Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 294429105 (CUSIP Number) September 30, 2024 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to desig

Equifax CEO Mark W. Begor to Continue Company Leadership Beyond 2025

EX-99.1 Exhibit 99.1 FOR IMMEDIATE RELEASE Equifax CEO Mark W. Begor to Continue Company Leadership Beyond 2025 ATLANTA, NOVEMBER 7, 2024 – Equifax® (NYSE: EFX) today announced that Mark W. Begor will continue to serve as Chief Executive Officer (CEO) beyond the current expiration of his employment agreement in 2025. “Over the last 6 years, Mark has provided a clear vision and strong, decisive lea

Letter Agreement, dated November 7, 2024, between the Company and Mark W. Begor.

Exhibit 10.1 November 7, 2024 Mark W. Begor c/o Equifax Inc. 1500 Peachtree Street, N.W. Atlanta, GA 30309 Dear Mark: The purpose of this letter (this “Letter”) is to amend, effective as of November 7, 2024, that certain Employment Agreement between Equifax Inc. (the “Company”) and you, dated as of March 27, 2018 (the “Employment Agreement”), and that certain Letter Agreement between the Company a

Regulation FD Disclosure

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 7, 2024 EQUIFAX INC. (Exact Name of Registrant as Specified in Charter) Georgia 001-06605 58-0401110 (State or Other Jurisdiction of Incorporation) (Commission File Number) (

LETTER

October 31, 2024 John W. Gamble, Jr Chief Financial Officer Equifax Inc. 1550 Peachtree Street, N.W. Atlanta, GA 30309 Re: Equifax Inc. Form 10-K for the Fiscal Year Ended December 31, 2023 File No. 001-06605 Dear John W. Gamble Jr: We have completed our review of your filing. We remind you that the company and its management are responsible for the accuracy and adequacy of their disclosures, notw

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2024 ☐ TRANSITION REPO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission File Number: 001-06605 EQU

Equifax Inc. 2020 Employee Stock Purchase Plan

EXHIBIT 10.1 EQUIFAX INC. 2020 EMPLOYEE STOCK PURCHASE PLAN EQUIFAX INC. 2020 EMPLOYEE STOCK PURCHASE PLAN 1.PURPOSE AND INTERPRETATION (a)The purpose of the Plan is to encourage and to enable Eligible Employees of the Company and its Participating Affiliates, through after-tax payroll deductions, to acquire proprietary interests in the Company through the purchase and ownership of shares of Stock

Amendment No. 1 to the Equifax Inc. 2020 Employee Stock Purchase Plan

EXHIBIT 10.2 AMENDMENT NO. 1 TO THE EQUIFAX INC. 2020 EMPLOYEE STOCK PURCHASE PLAN THIS AMENDMENT NO. 1 is made as of this 26th day of August, 2024 by Equifax Inc. (the “Company”); WHEREAS, the Company maintains the Equifax Inc. Employee Stock Purchase Plan, effective July 1, 2020 (the “Plan”); and WHEREAS, the Company desires to amend the Plan to permit the exercise of an option to purchase fract

Equifax Delivers Strong Third Quarter 2024 Revenue Growth of 9%, Led by 19% Workforce Solutions Non-Mortgage Verification Services

Exhibit 99.1 1550 Peachtree Street, N.W. Atlanta, Georgia 30309 NEWS RELEASE Contact: Trevor Burns Kate Walker Investor Relations Media Relations [email protected] [email protected] Equifax Delivers Strong Third Quarter 2024 Revenue Growth of 9%, Led by 19% Workforce Solutions Non-Mortgage Verification Services ATLANTA, OCTOBER 16, 2024 - Equifax® (NYSE: EFX) today announced financ

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): October 16, 2024 EQUIFAX INC. (Exact name of registrant as specified in Charter) GA 001-06605 58-0401110 (State or other jurisdiction of incorporation) (Commission File Number) (IRS E

* * *

CORRESP September 30, 2024 Via EDGAR Ms. Pearlyne Paulemon Mr. Sebastian Gomez Abero Division of Corporation Finance Office of Life Sciences Securities and Exchange Commission 100 F Street, N.E. Washington, D.C. 20549 Re: Equifax Inc. Form 10-K for the Fiscal Year Ended December 31, 2023 File No. 001-06605 Dear Ms. Paulemon and Mr. Abero, We have reviewed the comment letter dated September 16, 202

LETTER

September 16, 2024 John W. Gamble, Jr Chief Financial Officer Equifax Inc. 1550 Peachtree Street, N.W. Atlanta, GA 30309 Re: Equifax Inc. Form 10-K for the Fiscal Year Ended December 31, 2023 File No. 001-06605 Dear John W. Gamble Jr: We have reviewed your filing and have the following comment. Please respond to this letter within ten business days by providing the requested information or advise

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 12, 2024 EQUIFAX INC. (Exa

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 12, 2024 EQUIFAX INC. (Exact Name of Registrant as Specified in Charter) Georgia 001-06605 58-0401110 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I

Twelfth Supplemental Indenture, dated as of August 15, 2024, between Equifax Inc. and the Trustee, including the form of Note as Exhibit A (filed herewith).

Exhibit 4.1 EQUIFAX INC., AS ISSUER AND U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (SUCCESSOR IN INTEREST TO U.S. BANK NATIONAL ASSOCIATION), AS TRUSTEE TWELFTH SUPPLEMENTAL INDENTURE DATED AS OF AUGUST 15, 2024 TWELFTH SUPPLEMENT TO INDENTURE, DATED AS OF MAY 12, 2016, BETWEEN EQUIFAX INC. AND U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (SUCCESSOR IN INTEREST TO U.S. BANK NATIONAL ASSOCIATIO

Underwriting Agreement, dated August 12, 2024, by and among Equifax Inc. and BofA Securities, Inc., J.P. Morgan Securities LLC, Mizuho Securities USA LLC and Wells Fargo Securities, LLC, as the representatives of the underwriters named therein (filed herewith).

Exhibit 1.1 Underwriting Agreement August 12, 2024 BofA Securities, Inc. One Bryant Park New York, New York 10036 J.P. Morgan Securities LLC 383 Madison Avenue New York, New York 10179 Mizuho Securities USA LLC 1271 Avenue of the Americas, 3rd Floor New York, New York 10020 Wells Fargo Securities, LLC 550 South Tryon Street Charlotte, North Carolina 28202 As Representatives of the several Underwri

Equifax Inc. $650,000,000 4.800% Senior Notes Due 2029

Table of Contents Filed Pursuant to 424(b)(2) Registration Number 333-266290 Prospectus Supplement (to Prospectus dated July 22, 2022) Equifax Inc.

Calculation of Filing Fee Tables (Form Type) Equifax Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities

Exhibit 107 Calculation of Filing Fee Tables 424(b)(2) (Form Type) Equifax Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry For

Subject to completion, dated August 12, 2024

424B2 Table of Contents Filed Pursuant to 424(b)(2) Registration Number 333-266290 The information in this preliminary prospectus supplement is not complete and may be changed.

EQUIFAX INC. Final Term Sheet Summary of Terms Issuer: Equifax Inc. (the “Company”) Trade Date: August 12, 2024 Settlement Date (T+3)**: August 15, 2024 Security: 4.800% Senior Notes due 2029 (the “Notes”) Aggregate Principal Amount: $650,000,000 Mat

Issuer Free Writing Prospectus Filed by: Equifax Inc. Pursuant to Rule 433 under the Securities Act of 1933 Registration Statement on Form S-3: No. 333-266290 EQUIFAX INC. Final Term Sheet Summary of Terms Issuer: Equifax Inc. (the “Company”) Trade Date: August 12, 2024 Settlement Date (T+3)**: August 15, 2024 Security: 4.800% Senior Notes due 2029 (the “Notes”) Aggregate Principal Amount: $650,00

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2024 ☐ TRANSITION REPORT PU

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission File Number: 001-06605 EQUIFAX

24, 2024, by and between Equifax Inc. and JPMorgan Chase Bank, N.A., as administrative agent

Exhibit 10.1 SECOND AMENDMENT TO CREDIT AGREEMENT THIS SECOND AMENDMENT TO CREDIT AGREEMENT (“Second Amendment”) is entered into as of May 24, 2024, among EQUIFAX INC., a Georgia corporation (the “Company”) and JPMORGAN CHASE BANK, N.A. (“JPMorgan”), in its capacity as Administrative Agent (in such capacity, the “Administrative Agent”). RECITALS WHEREAS, the Company, certain other Borrowers party

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): July 17, 2024 EQUIFAX INC. (Exact name of registrant as specified in Charter) GA 001-06605 58-0401110 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Empl

Equifax Delivers Strong Second Quarter 2024 Revenue Growth of 9% Led by Workforce Solutions Non-Mortgage Verification Services

Exhibit 99.1 1550 Peachtree Street, N.W. Atlanta, Georgia 30309 NEWS RELEASE Contact: Trevor Burns Kate Walker Investor Relations Media Relations [email protected] [email protected] Equifax Delivers Strong Second Quarter 2024 Revenue Growth of 9% Led by Workforce Solutions Non-Mortgage Verification Services ATLANTA, July 17, 2024 - Equifax® (NYSE: EFX) today announced financial res

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 1, 2024 EQUIFAX INC. (Exact Name of Registrant as Specified in Charter) Georgia 001-06605 58-0401110 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS E

Equifax Names Barbara Larson to Board of Directors

Exhibit 99.1 Equifax Names Barbara Larson to Board of Directors ATLANTA, May 2, 2024 – Equifax® (NYSE: EFX) today announced that Barbara Larson, former Chief Financial Officer for Workday, has been elected to its board of directors. “I’m energized to welcome Barbara as a new independent director on our board,” said Mark W. Begor, CEO of Equifax. “Her more than two decades of financial leadership a

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): April 30, 2024 EQUIFAX INC. (Exact Name of Registrant as Specified in Charter) Georgia 001-06605 58-0401110 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IR

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 ☐ TRANSITION REPORT P

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2024 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission File Number: 001-06605 EQUIFAX

Equifax Delivers First Quarter 2024 Revenue Growth of 7% to $1.389 Billion Amid Challenging Mortgage Market

Exhibit 99.1 1550 Peachtree Street, N.W. Atlanta, Georgia 30309 NEWS RELEASE Contact: Trevor Burns Kate Walker Investor Relations Media Relations [email protected] [email protected] Equifax Delivers First Quarter 2024 Revenue Growth of 7% to $1.389 Billion Amid Challenging Mortgage Market ATLANTA, April 17, 2024 - Equifax® (NYSE: EFX) today announced financial results for the quart

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): April 17, 2024 EQUIFAX INC. (Exac

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): April 17, 2024 EQUIFAX INC. (Exact name of registrant as specified in Charter) GA 001-06605 58-0401110 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Emp

EQUIFAX INC. - ARS

Innovating with to help move people forward 2023 Annual Report EFX.AI Innovating with artificial intelligence to help move people forward 2023 Annual ReportLetter to Shareholders Shareholders TO OUR 0DUN:%HJRU &KLHI([HFXWLYH2ɝFHU 0DUN/)HLGOHU Independent Chairman of the Board of Directors ZDVDQHQHUJL]LQJ\HDUIRUWKH1HZ(TXLID[ As we move closer to completing the Equifax Cloud™ we

Notice of 2024 Annual Meeting of Shareholders Proxy Summary Board Leadership & Corporate Governance Executive Compensation Director Compensation Security Ownership of Management and Certain Beneficial Owners Audit Committee Report Questions and Answe

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No.

COURTESY PDF OF PROXY STATEMENT

Innovating with DUWLȴFLDOLQWHOOLJHQFH to help move people forward Notice of 2024 Annual Meeting and Proxy Statement EFX.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No.

Subsidiaries of Equifax Inc.

Exhibit 21.1 LIST OF EQUIFAX INC. SUBSIDIARIES Subsidiaries of the Registrant Equifax Inc. (a Georgia corporation) – as of December 31, 2023. Name of Subsidiary State or Country of Incorporation AccountScore Limited United Kingdom Acordo Certo Ltda. Brazil Acordo Certo Participações S.A. Brazil Ansonia Credit Data, Inc. Georgia Apac BizInfo Pte Limited Singapore Appriss Insights, LLC Delaware ASNE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-06605 EQUIFAX INC. (Exact name o

nc. Dodd-Frank Compensation Reco

Exhibit 97.1 EQUIFAX INC. DODD-FRANK COMPENSATION RECOVERY POLICY Effective Date This Policy shall apply to any Incentive Compensation received on or after October 2, 2023. Statement of Policy Subject to the exceptions set forth below, following an Accounting Restatement, Equifax Inc. (the “Company”) shall recover reasonably promptly the amount of Incentive Compensation received during the Recoupm

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 13, 2024 EQUIFAX INC. (Exact Name of Registrant as Specified in Charter) Georgia 001-06605 58-0401110 (State or Other Jurisdiction of Incorporation) (Commission File Number)

EFX / Equifax Inc. / T. Rowe Price Investment Management, Inc. Passive Investment

SC 13G/A 1 efx13gadec23.txt UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2) EQUIFAX INC (Name of Issuer) COMMON STOCK (Title of Class of Securities) 294429105 (CUSIP NUMBER) December 31, 2023 (Date of Event which Requires Filing of Statement) Check the appropriate box to designate the Rule pursuant to

EFX / Equifax Inc. / T. Rowe Price Investment Management, Inc. Passive Investment

SC 13G 1 efx13gdec23.txt UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. ) EQUIFAX INC (Name of Issuer) COMMON STOCK (Title of Class of Securities) 294429105 (CUSIP NUMBER) December 31, 2023 (Date of Event which Requires Filing of Statement) Check the appropriate box to designate the Rule pursuant to whic

EFX / Equifax Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv0863-equifaxinc.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 13)* Name of issuer: Equifax Inc Title of Class of Securities: Common Stock CUSIP Number: 294429105 Date of Event Which Requires Filing of this Statement: December 29, 2023 Check the appropriate box to designate the rule pu

EFX / Equifax Inc. / Capital International Investors - SEC SCHEDULE 13G Passive Investment

SC 13G/A 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2 )* Equifax Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 294429105 (CUSIP Number) December 29, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to design

Equifax Delivers Fourth Quarter 2023 Revenue growth of 11% to $1.327 Billion Amid Challenging Mortgage Market

Exhibit 99.1 1550 Peachtree Street, N.W. Atlanta, Georgia 30309 NEWS RELEASE Contact: Trevor Burns Kate Walker Investor Relations Media Relations [email protected] [email protected] Equifax Delivers Fourth Quarter 2023 Revenue growth of 11% to $1.327 Billion Amid Challenging Mortgage Market ATLANTA, February 7, 2024 - Equifax Inc. (NYSE: EFX) today announced financial results for t

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): February 7, 2024 EQUIFAX INC. (Exact name of registrant as specified in Charter) GA 001-06605 58-0401110 (State or other jurisdiction of incorporation) (Commission File Number) (IRS E

EFX / Equifax Inc. / BlackRock Inc. Passive Investment

SC 13G/A 1 us2944291051012524.txt us2944291051012524.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 12) EQUIFAX INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 294429105 - (CUSIP Number) December 31, 2023 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to de

EFX / Equifax Inc. / MASSACHUSETTS FINANCIAL SERVICES CO /MA/ - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 5 )* EQUIFAX INC. (Name of Issuer) Common Stock (Title of Class of Securities) 294429105 (CUSIP Number) December 29, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 ☐ TRANSITION REPO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission File Number: 001-06605 EQU

Current Report

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): October 17, 2023 EQUIFAX INC. (Exact Name of Registrant as Specified in Charter) Georgia 001-06605 58-0401110 (State or Other Jurisdiction of Incorporation) (Commission File Number) (

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): October 18, 2023 EQUIFAX INC. (Ex

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): October 18, 2023 EQUIFAX INC. (Exact name of registrant as specified in Charter) GA 001-06605 58-0401110 (State or other jurisdiction of incorporation) (Commission File Number) (IRS E

Equifax Third Quarter Results Show Strong Execution Towards Strategic Priorities In Challenging Mortgage Market

Exhibit 99.1 1550 Peachtree Street, N.W. Atlanta, Georgia 30309 NEWS RELEASE Contact: Trevor Burns Kate Walker Investor Relations Media Relations [email protected] [email protected] Equifax Third Quarter Results Show Strong Execution Towards Strategic Priorities In Challenging Mortgage Market ATLANTA, October 18, 2023 - Equifax® (NYSE: EFX) today announced financial results for the

EFX / Equifax, Inc. / Capital International Investors - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 1 )* Equifax Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 294429105 (CUSIP Number) August 31, 2023 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is

Filed by Equifax Inc.

Filed by Equifax Inc. (Commission File No. 333-270309) pursuant to Rule 425 under the Securities Act of 1933, as amended Subject Company: Boa Vista Serviços S.A. Social Media Posts Relating to the Completion of Equifax’s Acquisition of Boa Vista Serviços EFX LinkedIn [Posted on 8/8/23 at 9:00 a.m EDT] Yesterday, we announced Equifax completed the acquisition of @Boa Vista Serviços, the second larg

Filed by Equifax Inc.

Filed by Equifax Inc. (Commission File No. 333-270309) pursuant to Rule 425 under the Securities Act of 1933, as amended Subject Company: Boa Vista Serviços S.A. Dear [investor], I am excited to share that we have completed the acquisition of Boa Vista Serviços (“BVS”), the second largest consumer credit bureau in Brazil, following BVS shareholder approval and the satisfaction of customary closing

Equifax Completes Acquisition of Boa Vista Serviços Merger Expands Equifax Presence in Brazil; Offers Boa Vista Serviços Customers Access to Expansive Equifax Global Capabilities and Cloud-Native Solutions

Filed by Equifax Inc. (Commission File No. 333-270309) pursuant to Rule 425 under the Securities Act of 1933, as amended Subject Company: Boa Vista Serviços S.A. Equifax Completes Acquisition of Boa Vista Serviços Merger Expands Equifax Presence in Brazil; Offers Boa Vista Serviços Customers Access to Expansive Equifax Global Capabilities and Cloud-Native Solutions ATLANTA, AUGUST 7, 2023 – Equifa

As filed with the Securities and Exchange Commission on July 25, 2023.

Form S-8 POS As filed with the Securities and Exchange Commission on July 25, 2023.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 ☐ TRANSITION REPORT PU

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission File Number: 001-06605 EQUIFAX

As filed with the Securities and Exchange Commission on July 25, 2023.

As filed with the Securities and Exchange Commission on July 25, 2023. File Nos. 333-142997 333-116186 333-116185 333-48702 333-68477 333-68421 333-52203 333-52201 333-42613 33-58627 33-86978 33-71200 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-8 REGISTRATION STATEMENT (Registration No. 333-142997) POST-EFFECTIVE AMENDMENT NO. 1

As filed with the Securities and Exchange Commission on July 25, 2023.

Form S-8 POS As filed with the Securities and Exchange Commission on July 25, 2023.

As filed with the Securities and Exchange Commission on July 25, 2023.

As filed with the Securities and Exchange Commission on July 25, 2023. File No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 EQUIFAX INC. (Exact name of registrant as specified in its charter) Georgia 58-0401110 (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identificat

As filed with the Securities and Exchange Commission on July 25, 2023.

Form S-8 POS As filed with the Securities and Exchange Commission on July 25, 2023.

As filed with the Securities and Exchange Commission on July 25, 2023.

Form S-8 POS As filed with the Securities and Exchange Commission on July 25, 2023.

As filed with the Securities and Exchange Commission on July 25, 2023.

Form S-8 POS As filed with the Securities and Exchange Commission on July 25, 2023.

As filed with the Securities and Exchange Commission on July 25, 2023.

Form S-8 POS As filed with the Securities and Exchange Commission on July 25, 2023.

As filed with the Securities and Exchange Commission on July 25, 2023.

As filed with the Securities and Exchange Commission on July 25, 2023. File Nos. 333-142997 333-116186 333-116185 333-48702 333-68477 333-68421 333-52203 333-52201 333-42613 33-58627 33-86978 33-71200 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-8 REGISTRATION STATEMENT (Registration No. 333-142997) POST-EFFECTIVE AMENDMENT NO. 1

As filed with the Securities and Exchange Commission on July 25, 2023.

Form S-8 POS As filed with the Securities and Exchange Commission on July 25, 2023.

As filed with the Securities and Exchange Commission on July 25, 2023.

As filed with the Securities and Exchange Commission on July 25, 2023. File Nos. 333-142997 333-116186 333-116185 333-48702 333-68477 333-68421 333-52203 333-52201 333-42613 33-58627 33-86978 33-71200 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-8 REGISTRATION STATEMENT (Registration No. 333-142997) POST-EFFECTIVE AMENDMENT NO. 1

Filing Fee Table.

EX-FILING FEES Exhibit 107 Calculation of Filing Fee Tables Form S-8 (Form Type) EQUIFAX INC.

As filed with the Securities and Exchange Commission on July 25, 2023.

Form S-8 POS As filed with the Securities and Exchange Commission on July 25, 2023.

As filed with the Securities and Exchange Commission on July 25, 2023.

Form S-8 POS As filed with the Securities and Exchange Commission on July 25, 2023.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): July 19, 2023 EQUIFAX INC. (Exact

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): July 19, 2023 EQUIFAX INC. (Exact name of registrant as specified in Charter) GA 001-06605 58-0401110 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Empl

Equifax Delivers Solid Second Quarter in Challenging Mortgage Market

Exhibit 99.1 1550 Peachtree Street, N.W. Atlanta, Georgia 30309 NEWS RELEASE Contact: Trevor Burns Kate Walker Investor Relations Media Relations [email protected] [email protected] Equifax Delivers Solid Second Quarter in Challenging Mortgage Market ATLANTA, July 19, 2023 - Equifax® (NYSE: EFX) today announced financial results for the quarter ended June 30, 2023. •Second quarter

Filed by Equifax Inc.

425 Filed by Equifax Inc. (Commission File No. 333-270309) pursuant to Rule 425 under the Securities Act of 1933, as amended Subject Company: Boa Vista Serviços S.A. Social Media Posts Relating to the Equifax Merger Receiving Approval From Boa Vista Serviços Shareholders EFX LinkedIn [posted on 6/30/23 at 5:31 p.m.] Yesterday, we announced that the merger of Equifax and @Boa Vista Serviços, the se

Filed by Equifax Inc.

Filed by Equifax Inc. (Commission File No. 333-270309) pursuant to Rule 425 under the Securities Act of 1933, as amended Subject Company: Boa Vista Serviços S.A. Dear [investor], Yesterday, shareholders of Boa Vista Serviços (“BVS”), the second largest consumer credit bureau in Brazil, voted to approve the merger of Equifax and BVS. This merger will mark an exciting new global chapter for both Equ

Filed by Equifax Inc.

Filed by Equifax Inc. (Commission File No. 333-270309) pursuant to Rule 425 under the Securities Act of 1933, as amended Subject Company: Boa Vista Serviços S.A. Social Media Posts Relating to the Equifax Merger Receiving Approval From Boa Vista Serviços Shareholders Mark Begor LinkedIn [June 30, 2023 8:30 a.m. ET] The successful Boa Vista Serviços shareholder vote for the merger of our organizati

Equifax Merger Receives Approval From Boa Vista Serviços Shareholders

425 Filed by Equifax Inc. (Commission File No. 001-06605) pursuant to Rule 425 under the Securities Act of 1933, as amended Subject Company: Boa Vista Serviços S.A. Equifax Merger Receives Approval From Boa Vista Serviços Shareholders ATLANTA, JUNE 29, 2023 – The merger of Equifax® (NYSE: EFX) and Boa Vista Serviços (BOAS3: SAO), the second largest credit bureau in Brazil, received shareholder app

Filed by Equifax Inc.

425 Filed by Equifax Inc. (Commission File No. 001-06605) pursuant to Rule 425 under the Securities Act of 1933, as amended Subject Company: Boa Vista Serviços S.A. Boa Vista Merger Presentation June, 2023 Legal warning The statements contained in this document related to business perspectives, including estimated operating and financial results and those related to growth perspectives of Boa Vist

Equifax Inc. Equifax do Brasil S.A. TRANSACTION PROPOSED

Table of Contents Filed Pursuant to Rule 424(b)(3) Registration No. 333-270309 333-270310 Prospectus Equifax Inc. Equifax do Brasil S.A. TRANSACTION PROPOSED May 25, 2023 Dear Boa Vista Serviços S.A. Shareholder: There will be a special meeting (together with any adjournments or postponements thereof, the “BV Special Meeting”) of shareholders of Boa Vista Serviços S.A., a corporation (sociedade an

Equifax do Brasil S.A. Avenida Paulista, 1,636 3rd Floor, Suite 309, Room 1 Bela Vista São Paulo, Brazil, ZIP code 01310-200

CORRESP Equifax do Brasil S.A. Avenida Paulista, 1,636 3rd Floor, Suite 309, Room 1 Bela Vista São Paulo, Brazil, ZIP code 01310-200 Equifax Inc. 1550 Peachtree Street, N.W. Atlanta Georgia 30309 May 23, 2023 BY EDGAR U.S. Securities and Exchange Commission Division of Corporation Finance Office of Technology 100 F Street, N.E. Washington, D.C. 20549 Re: Equifax do Brasil S.A. Registration Stateme

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 5, 2023 EQUIFAX INC. (Exact N

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 5, 2023 EQUIFAX INC. (Exact Name of Registrant as Specified in Charter) Georgia 001-06605 58-0401110 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS E

Underwriting Agreement, dated May 5, 2023, by and among Equifax Inc. and BofA Securities, Inc., J.P. Morgan Securities LLC, Truist Securities, Inc. and Wells Fargo Securities, LLC, as the representatives of the underwriters named therein (filed herewith).

EX-1.1 2 d485505dex11.htm EX-1.1 Exhibit 1.1 Underwriting Agreement May 5, 2023 BofA Securities, Inc. One Bryant Park New York, New York 10036 J.P. Morgan Securities LLC 383 Madison Avenue New York, New York 10179 Truist Securities, Inc. 3333 Peachtree Road NE Atlanta, Georgia 30326 Wells Fargo Securities, LLC 550 South Tryon Street Charlotte, North Carolina 28202 As Representatives of the several

Eleventh Supplemental Indenture, dated as of May 16, 2023, between Equifax Inc. and the Trustee, including the form of Note as Exhibit A (filed herewith).

EX-4.1 Exhibit 4.1 EQUIFAX INC., AS ISSUER AND U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (SUCCESSOR IN INTEREST TO U.S. BANK NATIONAL ASSOCIATION), AS TRUSTEE ELEVENTH SUPPLEMENTAL INDENTURE DATED AS OF MAY 16, 2023 ELEVENTH SUPPLEMENT TO INDENTURE, DATED AS OF MAY 12, 2016, BETWEEN EQUIFAX INC. AND U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (SUCCESSOR IN INTEREST TO U.S. BANK NATIONAL ASSO

As filed with the Securities and Exchange Commission on May 9, 2023

Form S-4/A Table of Contents Index to Financial Statements As filed with the Securities and Exchange Commission on May 9, 2023 Registration No.

****

CORRESP Richard Aftanas Partner Hogan Lovells US LLP 390 Madison Avenue New York, NY 10017 T +1 212 918 3267 F +1 212 918 3100 raftanas@hoganlovells.

Equifax Inc. $700,000,000 5.100% Senior Notes Due 2028

Form 424(b)(2) Table of Contents Filed Pursuant to 424(b)(2) Registration Number 333-266290 Prospectus Supplement (to Prospectus dated July 22, 2022) Equifax Inc.

Calculation of Filing Fee Tables (Form Type) Equifax Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Re

EX-FILING FEES Exhibit 107 Calculation of Filing Fee Tables 424(b)(2) (Form Type) Equifax Inc.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 4, 2023 EQUIFAX INC. (Exact N

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): May 4, 2023 EQUIFAX INC. (Exact Name of Registrant as Specified in Charter) Georgia 001-06605 58-0401110 (State or Other Jurisdiction of Incorporation) (Commission File Number) (IRS E

EQUIFAX INC. Final Term Sheet Summary of Terms Issuer: Equifax Inc. (the “Company”) Trade Date: May 5, 2023 Settlement Date (T+7)**: May 16, 2023 Security: 5.100% Senior Notes due 2028 (the “Notes”) Aggregate Principal Amount: $700,000,000 Maturity D

FWP Filed Pursuant to Rule 433 Registration No. 333-266290 Issuer Free Writing Prospectus dated May 5, 2023 Relating to Preliminary Prospectus Supplement dated May 5, 2023 EQUIFAX INC. Final Term Sheet Summary of Terms Issuer: Equifax Inc. (the “Company”) Trade Date: May 5, 2023 Settlement Date (T+7)**: May 16, 2023 Security: 5.100% Senior Notes due 2028 (the “Notes”) Aggregate Principal Amount: $

Subject to completion, dated May 5, 2023

Form 424(b)(2) Table of Contents Filed Pursuant to 424(b)(2) Registration Number 333-266290 The information in this preliminary prospectus supplement is not complete and may be changed.

LETTER

United States securities and exchange commission logo May 4, 2023 John W. Gamble, Jr. Chief Executive Officer Equifax Inc. 1550 Peachtree Street, N.W. Atlanta, Georgia 30309 Re: Equifax Inc. Amendment No. 1 to Registration Statement on Form S-4 Filed April 13, 2023 File No. 333-270309 Dear John W. Gamble: We have reviewed your amended registration statement and have the following comment. In our c

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. )

DEFA14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 14A Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934 (Amendment No. ) Filed by the Registrant ☑ Filed by a Party other than the Registrant ☐ Check the appropriate box: ☐ Preliminary Proxy Statement ☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

Form 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2023 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission File Number: 001-06605 EQUIFAX

, Equifax International Treasury Services Unlimited Company and Equifax Australia Holdings Pty Limited, JPMorgan Chase B

Exhibit 10.1 FIRST AMENDMENT TO CREDIT AGREEMENT THIS FIRST AMENDMENT TO CREDIT AGREEMENT (“First Amendment”) is entered into as of March 21, 2023, among EQUIFAX INC., a Georgia corporation (the “Company”), EQUIFAX LIMITED, a private limited company organized under the laws of England and Wales with registered number 02425920 (“Equifax Limited”), EQUIFAX CANADA CO., an unlimited company organized

First Amendment to Term Loan Credit Agreement, dated as of March 21, 2023, by and between Equifax Inc., JPMorgan Chase Bank, N.A., as administrative agent, and the lenders party thereto

Exhibit 10.2 FIRST AMENDMENT TO TERM LOAN CREDIT AGREEMENT THIS FIRST AMENDMENT TO TERM LOAN CREDIT AGREEMENT (“First Amendment”) is entered into as of March 21, 2023, among EQUIFAX INC., a Georgia corporation, as borrower (the “Borrower”), the Lenders party hereto and JPMORGAN CHASE BANK, N.A. (“JPMorgan”), in its capacity as Administrative Agent (in such capacity, the “Administrative Agent”). RE

Equifax Delivers Strong First Quarter

Exhibit 99.1 1550 Peachtree Street, N.W. Atlanta, Georgia 30309 NEWS RELEASE Contact: Trevor Burns Kate Walker Investor Relations Media Relations [email protected] [email protected] Equifax Delivers Strong First Quarter ATLANTA, April 19, 2023 - Equifax® (NYSE: EFX) today announced financial results for the quarter ended March 31, 2023. •First quarter 2023 revenue of $1.302 billion

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): April 19, 2023 EQUIFAX INC. (Exac

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): April 19, 2023 EQUIFAX INC. (Exact name of registrant as specified in Charter) GA 001-06605 58-0401110 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Emp

****

CORRESP Richard Aftanas Partner Hogan Lovells US LLP 390 Madison Avenue New York, NY 10017 T +1 212 918 3267 F +1 212 918 3100 raftanas@hoganlovells.

Amended and Restated Bylaws of Equifax do Brasil S.A.*

EX-3.2 Exhibit 3.2 EQUIFAX DO BRASIL S.A. CNPJ n.º 02.577.445/0001-64 NIRE 35.300.598.041 Estatuto Social da Equifax Do Brasil S.A. CAPÍTULO I NOME, SEDE, OBJETO E DURAÇÃO Artigo 1. EQUIFAX DO BRASIL S.A. (“Companhia”) é uma sociedade por ações de capital fechado, regida pelo presente estatuto social, pela Lei nº 6.404/1976, conforme alterada (“Lei das S.A.”), e demais disposições legais aplicávei

As filed with the Securities and Exchange Commission on April 13, 2023

Form S-4/A Table of Contents Index to Financial Statements As filed with the Securities and Exchange Commission on April 13, 2023 Registration No.

Voting and Support Agreement, dated as of February 9, 2023, by and among Equifax Inc., Equifax do Brasil S.A. and Associação Comercial de São Paulo*

EX-10.1 Exhibit 10.1 VOTING AND SUPPORT AGREEMENT THIS VOTING AND SUPPORT AGREEMENT (“Support Agreement”) is entered into as of February 9, 2023, by and between, on the one side, Equifax Inc., a Georgia corporation, with headquarters located at 1550 Peachtree Street, Atlanta, Georgia, U.S.A., herein duly represented in accordance with its organizational documents (“EFX”); and Equifax do Brasil S.A

LETTER

United States securities and exchange commission logo March 31, 2023 John W. Gamble, Jr. Chief Executive Officer Equifax Inc. 1550 Peachtree Street, N.W. Atlanta, Georgia 30309 Re: Equifax Inc. Registration Statement on Form S-4 Filed March 6, 2023 File No. 333-270309 Dear John W. Gamble: We have limited our review of your registration statement to those issues we have addressed in our comment. In

COURTESY PDF OF PROXY STATEMENT

2 2023 Proxy Statement Mark W. Begor &KLHI([HFXWLYH2ɝFHU Mark L. Feidler ΖQGHSHQGHQW&KDLUPDQ RIWKH%RDUGRI'LUHFWRUV 2022 was a strong year for the New Equifax. We are truly DGLYHUVLȴHGGDWDDQDO\WLFVDQGWHFKQRORJ\FRPSDQ\WKDWLV VKLIWLQJLQWRRXU1H[W*HDUDQGH[WHQGLQJZHOOEH\RQGD WUDGLWLRQDOFUHGLWEXUHDXLQWKHPDUNHWVZHVHUYHZRUOGZLGH :HDUHGULYLQJLQQRYDWLRQWRPHHWWKHHY

Schedule 14A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No.

EQUIFAX INC. - ARS

2 2022 Annual Report Mark W. Begor &KLHI([HFXWLYH2ɝFHU Mark L. Feidler ΖQGHSHQGHQW&KDLUPDQ RIWKH%RDUGRI'LUHFWRUV 2022 was a strong year for the New Equifax. We are truly DGLYHUVLȴHGGDWDDQDO\WLFVDQGWHFKQRORJ\FRPSDQ\WKDWLV VKLIWLQJLQWRRXU1H[W*HDUDQGH[WHQGLQJZHOOEH\RQGD WUDGLWLRQDOFUHGLWEXUHDXLQWKHPDUNHWVZHVHUYHZRUOGZLGH :HDUHGULYLQJLQQRYDWLRQWRPHHWWKHHYRO

Equifax Files Registration Statement with U.S. Securities and Exchange Commission Related to Acquisition of Boa Vista Serviços

425 Filed by Equifax Inc. (Commission File No. 001-06605) pursuant to Rule 425 under the Securities Act of 1933, as amended Subject Company: Boa Vista Serviços S.A. Equifax Files Registration Statement with U.S. Securities and Exchange Commission Related to Acquisition of Boa Vista Serviços ATLANTA, MARCH 6, 2023 – Equifax® Inc. (NYSE: EFX) (“Equifax”) has filed a registration statement with the U

(Equifax Inc.)

EX-FILING FEES Calculation of Filing Fee Tables Form S-4 (Form Type) Equifax Inc. (Exact Name of Registrants as Specified in its Charter) Table 1: Newly Registered Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Fees to be paid Equity C

Merger Agreement, dated as of February 9, 2023, by and among Equifax Inc., Equifax do Brasil S.A. and Boa Vista Serviços S.A.**

EX-2.1 Exhibit 2.1 MERGER AGREEMENT by and among: BOA VISTA SERVIÇOS S.A., a Brazilian publicly-held company; EQUIFAX DO BRASIL S.A., a Brazilian closely-held corporation; and EQUIFAX INC., a Georgia publicly-held corporation Dated as of February 9, 2023 TABLE OF CONTENTS RECITALS 1 SECTION 1 DEFINITIONS; RULES OF CONSTRUCTION 1 1.1 Definitions 1 1.2 Rules of Construction 1 SECTION 2 DESCRIPTION O

Power of Attorney (included on signature page of this registration statement)**

Form S-4 Table of Contents Index to Financial Statements As filed with the Securities and Exchange Commission on March 6, 2023 Registration No.

Form 10-K

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-06605 EQUIFAX INC. (Exact name o

Subsidiaries of Equifax Inc.

Exhibit 21.1 LIST OF EQUIFAX INC. SUBSIDIARIES Subsidiaries of the Registrant - Equifax Inc. (a Georgia corporation) – as of December 31, 2022. Name of Subsidiary State or Country of Incorporation AccountScore Holdings Limited United Kingdom AccountScore Limited United Kingdom Anakam, Inc. Delaware Ansonia Credit Data, Inc. Georgia Apac BizInfo Pte Limited Singapore Appriss Insights, LLC Delaware

Filed by Equifax Inc

425 Filed by Equifax Inc (Commission File No. 001-06605) pursuant to Rule 425 under the Securities Act of 1933, as amended Subject Company: Boa Vista Serviços S.A. Social Media Posts Relating to the Signing of the Boa Vista Serviços Merger Agreement Mark Begor LinkedIn [Posted on 2/14/23 at 8:15 a.m.] Energized to share @Equifax announced a definitive agreement to acquire Boa Vista Serviços – the

EFX / Equifax Inc. / T. Rowe Price Investment Management, Inc. Passive Investment

SC 13G 1 efx13gdec22.txt UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. ) EQUIFAX INC (Name of Issuer) COMMON STOCK (Title of Class of Securities) 294429105 (CUSIP NUMBER) December 31, 2022 (Date of Event which Requires Filing of Statement) Check the appropriate box to designate the Rule pursuant to whic

EFX / Equifax Inc. / Capital International Investors - SEC SCHEDULE 13G Passive Investment

SC 13G 1 SEC13GFiling.htm SEC SCHEDULE 13G UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. )* Equifax Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 294429105 (CUSIP Number) December 30, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate

Equifax Signs Agreement to Acquire Boa Vista Serviços

425 Filed by Equifax Inc (Commission File No. 001-06605) pursuant to Rule 425 under the Securities Act of 1933, as amended Subject Company: Boa Vista Serviços S.A. Equifax Signs Agreement to Acquire Boa Vista Serviços EQUIFAX PLANS TO EXPAND INTO BRAZIL and has signed a formal agreement to acquire all outstanding shares of Boa Vista Serviços—the country’s second largest credit bureau. Strategic, b

Filed by Equifax Inc

425 1 d436942d425.htm 425 Filed by Equifax Inc (Commission File No. 001-06605) pursuant to Rule 425 under the Securities Act of 1933, as amended Subject Company: Boa Vista Serviços S.A. Dear [investor], Equifax delivered a strong 2022 with record revenue of $5.122 billion and continued execution against our EFX 2025 priorities. For full-year 2022, we had revenue growth of 4%, offsetting significan

Equifax Signs Definitive Agreement to Acquire Boa Vista Serviços Acquisition Will Expand Equifax International Footprint in Large, Fast-Growing Brazilian Market

425 Filed by Equifax Inc (Commission File No. 001-06605) pursuant to Rule 425 under the Securities Act of 1933, as amended Subject Company: Boa Vista Serviços S.A. Equifax Signs Definitive Agreement to Acquire Boa Vista Serviços Acquisition Will Expand Equifax International Footprint in Large, Fast-Growing Brazilian Market ATLANTA, FEBRUARY 9, 2023 – Equifax® Inc. (NYSE: EFX) (“Equifax”) today ann

EFX / Equifax Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SC 13G/A 1 tv0840-equifaxinc.htm SCHEDULE 13G/A SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 12)* Name of issuer: Equifax Inc. Title of Class of Securities: Common Stock CUSIP Number: 294429105 Date of Event Which Requires Filing of this Statement: December 30, 2022 Check the appropriate box to designate the rule p

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): February 8, 2023 EQUIFAX INC. (Exact name of registrant as specified in Charter) GA 001-06605 58-0401110 (State or other jurisdiction of incorporation) (Commission File Number) (IRS E

EFX / Equifax Inc. / MASSACHUSETTS FINANCIAL SERVICES CO /MA/ - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 4 )* EQUIFAX INC. (Name of Issuer) Common Stock (Title of Class of Securities) 294429105 (CUSIP Number) December 30, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule

"Equifax Delivers Record 2022 Revenue of $5.122 Billion"

Exhibit 99.1 1550 Peachtree Street, N.W. Atlanta, Georgia 30309 NEWS RELEASE Contact: Trevor Burns Kate Walker Investor Relations Media Relations [email protected] [email protected] "Equifax Delivers Record 2022 Revenue of $5.122 Billion" ATLANTA, February 8, 2023 - Equifax Inc. (NYSE: EFX) today announced financial results for the quarter and full year ended December 31, 2022. •Fu

EFX / Equifax Inc. / BlackRock Inc. Passive Investment

SC 13G/A 1 us2944291051020723.txt us2944291051020723.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 11) EQUIFAX INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 294429105 - (CUSIP Number) December 31, 2022 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to de

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers, Financial Statements and Exhibits

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): February 2, 2023 EQUIFAX INC. (Exact Name of Registrant as Specified in Charter) Georgia 001-06605 58-0401110 (State or Other Jurisdiction of Incorporation) (Commission File Number) (

Equifax Names Karen Fichuk to Board of Directors

EXHIBIT 99.1 Equifax Names Karen Fichuk to Board of Directors ATLANTA, FEBRUARY 2, 2023 – Equifax® (NYSE: EFX) today announced that Karen Fichuk, Executive Board member for Randstad N.V., and former Chief Executive Officer for Randstad North America, has been elected to its board of directors. “We are energized to welcome Karen as a new independent director on our board,” said Mark W. Begor, Chief

Filed by Equifax Inc.

425 1 d433642d425.htm 425 Filed by Equifax Inc. (Commission File No. 001-06605) pursuant to Rule 425 under the Securities Act of 1933, as amended Subject Company: Boa Vista Serviços S.A. The following is a transcript of a conference call held on December 19, 2022: MANAGEMENT DISCUSSION SECTION Operator: Greetings and welcome to the Equifax Investor Update. At this time, all participants are in a l

Equifax Makes Offer to Acquire Boa Vista Serviços in Brazil for R$8 Per Share Acquisition Would Deliver Compelling Value to Boa Vista Serviços Shareholders and Expands Equifax Capabilities in Large and Fast-growing Brazilian Market

425 1 d439543d425.htm 425 Filed by Equifax Inc (Commission File No. 001-06605) pursuant to Rule 425 under the Securities Act of 1933, as amended Subject Company: Boa Vista Serviços S.A. Equifax Makes Offer to Acquire Boa Vista Serviços in Brazil for R$8 Per Share Acquisition Would Deliver Compelling Value to Boa Vista Serviços Shareholders and Expands Equifax Capabilities in Large and Fast-growing

Filed by Equifax do Brasil S.A.

425 1 d394925d425.htm 425 Filed by Equifax do Brasil S.A. (Commission File No. 132-00001) pursuant to Rule 425 under the Securities Act of 1933, as amended Subject Company: Boa Vista Serviços S.A. The following is a transcript of a conference call held on December 19, 2022: MANAGEMENT DISCUSSION SECTION Operator: Greetings and welcome to the Equifax Investor Update. At this time, all participants

Filed by Equifax Inc. Commission File No. 001-06605 pursuant to Rule 425 under the Securities Act of 1933, as amended Subject Company: Boa Vista Serviços S.A. December 19, 2022 Boa Vista Servicos Acquisition Offer Investor Update CkEVpbp7dKASKNOIZJZ1W

425 1 d422328d425.htm 425 Filed by Equifax Inc. Commission File No. 001-06605 pursuant to Rule 425 under the Securities Act of 1933, as amended Subject Company: Boa Vista Serviços S.A. December 19, 2022 Boa Vista Servicos Acquisition Offer Investor Update CkEVpbp7dKASKNOIZJZ1WLTQ2lsQQgSn Forward-looking statements This presentation contains certain forward-looking information to help you understand

Filed by Equifax Inc.

Filed by Equifax Inc. (Commission File No. 001-06605) pursuant to Rule 425 under the Securities Act of 1933, as amended Subject Company: Boa Vista Servi?os S.A. Mark Begor LinkedIn [Posted on 12/19/22 at 8:07 a.m.] I?m energized to announce that @Equifax has made an offer to acquire Boa Vista Servi?os - the 2nd largest consumer #CreditBureau in #Brazil! EFX has a strong track record of reinvesting

Equifax Makes Offer to Acquire Boa Vista Serviços

Commission File No. 001-06605 Filed by Equifax Inc. pursuant to Rule 425 under the Securities Act of 1933, as amended Subject Company: Boa Vista Servi?os S.A. Equifax Makes Offer to Acquire Boa Vista Servi?os EQUIFAX IS SEEKING TO EXPAND ITS CAPABILITIES in the large and fast-growing Brazilian market. The company has made an offer to the Boa Vista Servi?os Board of Directors to acquire all outstan

Equifax Announces December 19 Investor Call to Discuss Company’s Offer to Acquire Boa Vista Serviços

425 1 d429538d425.htm 425 Filed by Equifax Inc. (Commission File No. 001-06605) pursuant to Rule 425 under the Securities Act of 1933, as amended Subject Company: Boa Vista Serviços S.A. Equifax Announces December 19 Investor Call to Discuss Company’s Offer to Acquire Boa Vista Serviços ATLANTA, December 19, 2022/PR Newswire/ – Equifax® (NYSE: EFX) will host a conference call at 4:30 p.m. Eastern

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): November 29, 2022 EQUIFAX INC. (Exact Name of Registrant as Specified in Charter) Georgia 001-06605 58-0401110 (State or Other Jurisdiction of Incorporation) (Commission File Number)

Restricted Stock Unit Award Agreement between Equifax Inc. and Mark Begor under the Equifax Inc. Amended and Restated 2008 Omnibus Incentive Plan (for award granted on July 29, 2022) (incorporated by reference to Exhibit 10.3 to Equifax's Form 10-Q filed October 20, 2022).

Exhibit 10.3 EQUIFAX INC. 2008 OMNIBUS INCENTIVE PLAN RESTRICTED STOCK UNIT AWARD AGREEMENT MARK W. BEGOR Number of Shares Subject to Award: 23,934 Date of Grant: July 29, 2022 Pursuant to the Equifax Inc. 2008 Omnibus Incentive Plan, as amended and restated effective May 2, 2013 (the ?Plan?), Equifax Inc., a Georgia corporation (the ?Company?), has granted the above-named participant (?Participan

Performance Share Award Agreement (TSR) between Equifax Inc. and Mark Begor under the Equifax Inc. Amended and Restated 2008 Omnibus Incentive Plan (for award granted on July 29, 2022) (incorporated by reference to Exhibit 10.1 to Equifax's Form 10-Q filed October 20, 2022).

Exhibit 10.1 EQUIFAX INC. 2008 OMNIBUS INCENTIVE PLAN PERFORMANCE SHARE AWARD AGREEMENT (TSR) 2022 ? 2025 Performance Period MARK W. BEGOR Target Number of Shares Subject to Award: 60,740 Grant Date: July 29, 2022 Pursuant to the Equifax Inc. 2008 Omnibus Incentive Plan, as amended and restated effective May 2, 2013 (the ?Plan?), Equifax Inc., a Georgia corporation (the ?Company?), has granted the

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 ☐ TRANSITION REPO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2022 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission File Number: 001-06605 EQU

Premium-Priced Stock Option Award Agreement between Equifax Inc. and Mark Begor under the Equifax Inc. Amended and Restated 2008 Omnibus Incentive Plan (for award granted on July 29, 2022) (incorporated by reference to Exhibit 10.2 to Equifax's Form 10-Q filed October 20, 2022).

Exhibit 10.2 EQUIFAX INC. 2008 OMNIBUS INCENTIVE PLAN NON-QUALIFIED STOCK OPTION AGREEMENT MARK W. BEGOR Number of Shares Subject to Option: 91,721 Option Prices: see table below Date of Grant: July 29, 2022 Pursuant to the Equifax Inc. 2008 Omnibus Incentive Plan, as amended and restated effective May 2, 2013 (the ?Plan?), Equifax Inc., a Georgia corporation (the ?Company?), has granted the above

Equifax Delivers Strong Third Quarter Revenue

Exhibit 99.1 1550 Peachtree Street, N.W. Atlanta, Georgia 30309 NEWS RELEASE Contact: Trevor Burns Kate Walker Investor Relations Media Relations [email protected] [email protected] Equifax Delivers Strong Third Quarter Revenue ATLANTA, October 19, 2022 - Equifax? (NYSE: EFX) today announced financial results for the quarter ended September 30, 2022. ?Strong third quarter 2022 reve

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): October 19, 2022 EQUIFAX INC. (Exact name of registrant as specified in Charter) GA 001-06605 58-0401110 (State or other jurisdiction of incorporation) (Commission File Number) (IRS E

Tenth Supplemental Indenture, dated as of September 12, 2022, between Equifax Inc. and the Trustee, including the form of Note as Exhibit A (incorporated by reference to Exhibit 4.1 to Equifax's Form 8-K filed September 12, 2022).

Exhibit 4.1 EQUIFAX INC., AS ISSUER AND U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (SUCCESSOR IN INTEREST TO U.S. BANK NATIONAL ASSOCIATION), AS TRUSTEE TENTH SUPPLEMENTAL INDENTURE DATED AS OF SEPTEMBER 12, 2022 TENTH SUPPLEMENT TO INDENTURE, DATED AS OF MAY 12, 2016, BETWEEN EQUIFAX INC. AND U.S. BANK TRUST COMPANY, NATIONAL ASSOCIATION (SUCCESSOR IN INTEREST TO U.S. BANK NATIONAL ASSOCIATION

Underwriting Agreement, dated September 7, 2022, by and among Equifax Inc. and BofA Securities, Inc., J.P. Morgan Securities LLC, Mizuho Securities USA LLC and Wells Fargo Securities, LLC, as the representatives of the underwriters named therein (filed herewith).

EX-1.1 2 d386586dex11.htm EX-1.1 Exhibit 1.1 Underwriting Agreement September 7, 2022 BofA Securities, Inc. One Bryant Park New York, New York 10036 J.P. Morgan Securities LLC 383 Madison Avenue New York, New York 10179 Mizuho Securities USA LLC 1271 Avenue of the Americas, 3rd Floor New York, New York 10020 Wells Fargo Securities, LLC 550 South Tryon Street Charlotte, North Carolina 28202 As Repr

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): September 7, 2022 EQUIFAX INC. (Exact Name of Registrant as Specified in Charter) Georgia 001-06605 58-0401110 (State or Other Jurisdiction of Incorporation) (Commission File Number)

Calculation of Filing Fee Tables (Form Type) Equifax Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Re

Exhibit 107 Calculation of Filing Fee Tables 424(b)(2) (Form Type) Equifax Inc. (Exact Name of Registrant as Specified in its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price Per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry For

Equifax Inc. $750,000,000 5.100% Senior Notes Due 2027

Table of Contents Filed Pursuant to 424(b)(2) Registration Number 333-266290 Prospectus Supplement (to Prospectus dated July 22, 2022) Equifax Inc.

The information in this preliminary prospectus supplement is not complete and may be changed. Subject to completion, dated September 7, 2022

Table of Contents Filed Pursuant to 424(b)(2) Registration Number 333-266290 The information in this preliminary prospectus supplement is not complete and may be changed.

EQUIFAX INC. Final Term Sheet Summary of Terms Issuer: Equifax Inc. (the “Company”) Trade Date: September 7, 2022 Settlement Date (T+3): September 12, 2022 Security: 5.100% Senior Notes due 2027 (the “Notes”) Aggregate Principal Amount: $750,000,000

Filed Pursuant to Rule 433 Registration No. 333-266290 Issuer Free Writing Prospectus dated September 7, 2022 Relating to Preliminary Prospectus Supplement dated September 7, 2022 EQUIFAX INC. Final Term Sheet Summary of Terms Issuer: Equifax Inc. (the ?Company?) Trade Date: September 7, 2022 Settlement Date (T+3): September 12, 2022 Security: 5.100% Senior Notes due 2027 (the ?Notes?) Aggregate P

Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): July 29, 2022 EQUIFAX INC. (Exact name of registrant as specified in Charter) GA 001-06605 58-0401110 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Empl

As filed with the Securities and Exchange Commission on July 22, 2022.

Table of Contents As filed with the Securities and Exchange Commission on July 22, 2022.

Filing Fee Table.

Exhibit 107 Calculation of Filing Fee Tables Form S-3 (Form Type) Equifax Inc. (Exact Name of Registrant as Specified in Its Charter) Table 1: Newly Registered and Carry Forward Securities Security Type Security Class Title Fee Calculation or Carry Forward Rule Amount Registered Proposed Maximum Offering Price per Unit Maximum Aggregate Offering Price Fee Rate Amount of Registration Fee Carry Forw

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2022 ☐ TRANSITION REPORT PU

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2022 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission File Number: 001-06605 EQUIFAX

Equifax Delivers Record Second Quarter Revenue

Exhibit 99.1 1550 Peachtree Street, N.W. Atlanta, Georgia 30309 NEWS RELEASE Contact: Trevor Burns Kate Walker Investor Relations Media Relations [email protected] [email protected] Equifax Delivers Record Second Quarter Revenue ATLANTA, July 20, 2022 - Equifax? (NYSE: EFX) today announced financial results for the quarter ended June 30, 2022. ?Strong second quarter 2022 revenue of

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): July 20, 2022 EQUIFAX INC. (Exact name of registrant as specified in Charter) GA 001-06605 58-0401110 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Empl

As filed with the Securities and Exchange Commission on June 7, 2022.

As filed with the Securities and Exchange Commission on June 7, 2022. File Nos. 333-04583 333-97875 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 3 TO FORM S-8 REGISTRATION STATEMENT (Registration No. 333-04583) AND POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-8 REGISTRATION STATEMENT (Registration No. 333-97875) UNDER THE SECURITIES ACT OF 1933 E

As filed with the Securities and Exchange Commission on June 7, 2022.

As filed with the Securities and Exchange Commission on June 7, 2022. File Nos. 333-04583 333-97875 UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 POST-EFFECTIVE AMENDMENT NO. 3 TO FORM S-8 REGISTRATION STATEMENT (Registration No. 333-04583) AND POST-EFFECTIVE AMENDMENT NO. 1 TO FORM S-8 REGISTRATION STATEMENT (Registration No. 333-97875) UNDER THE SECURITIES ACT OF 1933 E

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 5, 2022 EQUIFAX INC. (Exact name of registrant as specified in Charter) GA 001-06605 58-0401110 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employ

EFX / Equifax Inc. / MASSACHUSETTS FINANCIAL SERVICES CO /MA/ - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 3 )* EQUIFAX INC. (Name of Issuer) Common Stock (Title of Class of Securities) 294429105 (CUSIP Number) April 29, 2022 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule is

Form of Performance Share Award Agreement (Adjusted EBITDA) (CEO) under the Equifax Inc. Amended and Restated 2008 Omnibus Incentive Plan (for awards granted in or after February 2022) (incorporated by reference to Exhibit 10.1 to Equifax's Form 10-Q filed April 21, 2022).

Exhibit 10.1 EQUIFAX INC. 2008 OMNIBUS INCENTIVE PLAN PERFORMANCE SHARE AWARD AGREEMENT (ADJUSTED EBITDA) [2022 ? 2024] Performance Period MARK W. BEGOR Target Number of Shares Subject to Award: [ ] Grant Date: [ ] Pursuant to the Equifax Inc. 2008 Omnibus Incentive Plan, as amended and restated effective May 2, 2013 (the ?Plan?), Equifax Inc., a Georgia corporation (the ?Company?), has granted th

Form of Performance Share Award Agreement (Adjusted EBITDA) (SLT) under the Equifax Inc. Amended and Restated 2008 Omnibus Incentive Plan (for awards granted in February 2022) (incorporated by reference to Exhibit 10.2 to Equifax's Form 10-Q filed April 21, 2022).

EX-10.2 3 exhibit102-20220331.htm EX-10.2 Exhibit 10.2 EQUIFAX INC. 2008 OMNIBUS INCENTIVE PLAN PERFORMANCE SHARE AWARD AGREEMENT (ADJUSTED EBITDA) [2022 – 2024] Performance Period EMPLOYEE NAME Target Number of Shares Subject to Award: [ ] (of which [ ] Shares constitute Non-Retirement Award Shares that would be forfeited upon Retirement) Grant Date: [ ] Pursuant to the Equifax Inc. 2008 Omnibus

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2022 ☐ TRANSITION REPORT P

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2022 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission File Number: 001-06605 EQUIFAX

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): April 20, 2022 EQUIFAX INC. (Exact name of registrant as specified in Charter) GA 001-06605 58-0401110 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Emp

Equifax Delivers Ninth Consecutive Quarter of Double-Digit Revenue Growth

Exhibit 99.1 1550 Peachtree Street, N.W. Atlanta, Georgia 30309 NEWS RELEASE Contact: Trevor Burns Kate Walker Investor Relations Media Relations [email protected] [email protected] Equifax Delivers Ninth Consecutive Quarter of Double-Digit Revenue Growth ATLANTA, April 20, 2022 - Equifax? (NYSE: EFX) today announced financial results for the quarter ended March 31, 2022. ?Record f

Proxy Summary Proposal 1 Election of Director Nominees Board Leadership & Corporate Governance Proposal 2 Advisory Vote to Approve Named Executive Officer Compensation Executive Compensation Director Compensation Security Ownership of Management and

DEF 14A 1 lefx2022def14a.htm EQUIFAX INC. - DEF 14A UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. ) Filed by the Registrant Filed by a Party other than the Registrant Check the appropriate box: Preliminary Proxy Statement Confidential, for Use of the Commission Only

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No. )

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 14A PROXY STATEMENT PURSUANT TO SECTION 14(a) OF THE SECURITIES EXCHANGE ACT OF 1934 (Amendment No.

COURTESY PDF OF PROXY STATEMENT

Equifax Inc. Board of Directors Deferred Compensation Plan (incorporated by reference to Exhibit 10.23 to Equifax's Form 10-K filed February 24, 2022).

Exhibit 10.22 Equifax Inc. Board of Directors Deferred Compensation Plan Effective Date November 4, 2021 Equifax Inc. Board of Directors Deferred Compensation Plan ARTICLE I Establishment and Purpose 1 ARTICLE II Definitions 1 ARTICLE III Eligibility and Participation 4 ARTICLE IV Deferrals 5 ARTICLE V Company Contributions 7 ARTICLE VI Payments from Accounts 7 ARTICLE VII Valuation of Account Bal

Subsidiaries of Equifax Inc.

Exhibit 21.1 LIST OF EQUIFAX INC. SUBSIDIARIES Subsidiaries of the Registrant - Equifax Inc. (a Georgia corporation) ? as of December 31, 2021. Name of Subsidiary State or Country of Incorporation AccountScore Holdings Limited United Kingdom AccountScore India Private Limited India AccountScore Limited United Kingdom AccountScore US Corporation Delaware Anakam Information Solutions, LLC Delaware A

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 OR ☐ TRANSITION REPORT PURSUANT TO SE

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ? ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-06605 EQUIFAX INC. (Exact name o

Amendment No. 2 to Equifax Inc. Director and Executive Stock Deferral Plan, effective as of December 2, 2021 (incorporated by reference to Exhibit 10.16 to Equifax's Form 10-K filed February 24, 2022).

Exhibit 10.16 AMENDMENT NO. 2 TO EQUIFAX DIRECTOR AND EXECUTIVE STOCK DEFERRAL PLAN (As Amended and Restated Effective as of January 1, 2019) THIS AMENDMENT NO. 2 made as of this 2nd day of December, 2021 by Equifax Inc. (the ?Company?); WHEREAS, the Company previously established the Equifax Director and Executive Stock Deferral Plan, as amended and restated effective as of January 1, 2019, and a

EFX / Equifax Inc. / GENERATION INVESTMENT MANAGEMENT LLP Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, DC 20549 SCHEDULE 13G/A Under the Securities Exchange Act of 1934 (Amendment No.

EFX / Equifax Inc. / PRICE T ROWE ASSOCIATES INC /MD/ Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 11) EQUIFAX INC (Name of Issuer) COMMON STOCK (Title of Class of Securities) 294429105 (CUSIP NUMBER) December 31, 2021 (Date of Event which Requires Filing of Statement) Check the appropriate box to designate the Rule pursuant to which this Schedule is file

EFX / Equifax Inc. / Capital International Investors - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 5 )* Equifax Inc. (Name of Issuer) Common Stock (Title of Class of Securities) 294429105 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule

EFX / Equifax Inc. / VANGUARD GROUP INC - SCHEDULE 13G/A Passive Investment

SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Schedule 13G Under the Securities Exchange Act of 1934 (Amendment No.: 11)* Name of issuer: Equifax Inc. Title of Class of Securities: Common Stock CUSIP Number: 294429105 Date of Event Which Requires Filing of this Statement: December 31, 2021 Check the appropriate box to designate the rule pursuant to which this Schedule is filed: ☒ Rule

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): February 9, 2022 EQUIFAX INC. (Exact name of registrant as specified in Charter) GA 001-06605 58-0401110 (State or other jurisdiction of incorporation) (Commission File Number) (IRS E

Equifax Delivers Record Revenue and Eighth Consecutive Quarter of Double-Digit Growth

Exhibit 99.1 1550 Peachtree Street, N.W. Atlanta, Georgia 30309 NEWS RELEASE Contact: Dorian Hare Kate Walker Investor Relations Media Relations (404) 885-8210 [email protected] [email protected] Equifax Delivers Record Revenue and Eighth Consecutive Quarter of Double-Digit Growth ATLANTA, February 9, 2022 - Equifax Inc. (NYSE: EFX) today announced financial results for the quarter

EFX / Equifax Inc. / MASSACHUSETTS FINANCIAL SERVICES CO /MA/ - SEC SCHEDULE 13G Passive Investment

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No. 2 )* EQUIFAX INC. (Name of Issuer) Common Stock (Title of Class of Securities) 294429105 (CUSIP Number) December 31, 2021 (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which this Schedule

EFX / Equifax Inc. / BlackRock Inc. Passive Investment

us2944291051013122.txt SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (Amendment No: 10) EQUIFAX INC - (Name of Issuer) Common Stock - (Title of Class of Securities) 294429105 - (CUSIP Number) December 31, 2021 - (Date of Event Which Requires Filing of this Statement) Check the appropriate box to designate the rule pursuant to which

As filed with the Securities and Exchange Commission on November 24, 2021.

As filed with the Securities and Exchange Commission on November 24, 2021. File No. 333- UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 EQUIFAX INC. (Exact name of registrant as specified in its charter) Georgia 58-0401110 (State or other jurisdiction of incorporation or organization) (I.R.S. Employer Identif

Equifax Inc. Employee Deferred Compensation Plan (incorporated by reference to Exhibit 4.1 to Equifax’s Form S-8 filed November 24, 2021).

Exhibit 4.1 EQUIFAX INC. EMPLOYEE DEFERRED COMPENSATION PLAN Effective Date November 4, 2021 Content Copyright ?2018 Newport Group, Inc. All Rights Reserved. Equifax Inc. Employee Deferred Compensation Plan ARTICLE I Establishment and Purpose 1 ARTICLE II Definitions 1 ARTICLE III Eligibility and Participation 6 ARTICLE IV Deferrals 7 ARTICLE V Company Contributions 10 ARTICLE VI Payments from Acc

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 ☐ TRANSITION REPO

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended September 30, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission File Number: 001-06605 EQU

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): October 20, 2021 EQUIFAX INC. (Exact name of registrant as specified in Charter) GA 001-06605 58-0401110 (State or other jurisdiction of incorporation) (Commission File Number) (IRS E

Equifax Delivers Seventh Consecutive Quarter of Double-Digit Revenue Growth

Exhibit 99.1 1550 Peachtree Street, N.W. Atlanta, Georgia 30309 NEWS RELEASE Contact: Dorian Hare Kate Walker Investor Relations Media Relations (404) 885-8210 [email protected] [email protected] Equifax Delivers Seventh Consecutive Quarter of Double-Digit Revenue Growth ATLANTA, October 20, 2021 - Equifax Inc. (NYSE: EFX) today announced financial results for the quarter ended Sept

Term Loan Credit Agreement, dated as of August 25, 2021, by and between Equifax Inc., JPMorgan Chase Bank, N.A., as administrative agent, and the lenders party thereto (incorporated by reference to Exhibit 10.2 to Equifax’s Form 8-K filed August 31, 2021).

Exhibit 10.2 EXECUTION VERSION TERM LOAN CREDIT AGREEMENT Dated as of August 25, 2021 among EQUIFAX INC., as the Borrower, JPMORGAN CHASE BANK, N.A., as Administrative Agent and The Other Lenders From Time To Time Party Hereto JPMORGAN CHASE BANK, N.A., BOFA SECURITIES, INC., MIZUHO BANK, LTD., TRUIST SECURITIES, INC. AND WELLS FARGO SECURITIES, LLC as Joint Lead Arrangers and Joint Bookrunners CI

Credit Agreement, dated as of August 25, 2021, by and among Equifax Inc., Equifax Limited, Equifax Canada Co., Equifax International Treasury Services Unlimited Company and Equifax Australia Holdings Pty Limited, JPMorgan Chase Bank, N.A., as administrative agent, and the lenders party thereto (incorporated by reference to Exhibit 10.1 to Equifax’s Form 8-K filed August 31, 2021).

Exhibit 10.1 EXECUTION VERSION CREDIT AGREEMENT Dated as of August 25, 2021 among EQUIFAX INC., as a Borrower and as a Guarantor, EQUIFAX LIMITED, EQUIFAX CANADA CO., EQUIFAX INTERNATIONAL TREASURY SERVICES UNLIMITED COMPANY, and EQUIFAX AUSTRALIA HOLDINGS PTY LIMITED as Designated Borrowers, Certain Other Subsidiaries of EQUIFAX INC. From Time To Time Party Hereto, JPMORGAN CHASE BANK, N.A., as A

Entry into a Material Definitive Agreement, Termination of a Material Definitive Agreement, Financial Statements and Exhibits, Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 25, 2021 EQUIFAX INC. (Exact Name of Registrant as Specified in Charter) Georgia 001-06605 58-0401110 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I

Ninth Supplemental Indenture, dated as of August 13, 2021, between Equifax Inc. and the Trustee, including the form of Note as Exhibit A (incorporated by reference to Exhibit 4.1 to Equifax’s Form 8-K filed August 16, 2021).

Exhibit 4.1 EQUIFAX INC., AS ISSUER AND U.S. BANK NATIONAL ASSOCIATION, AS TRUSTEE NINTH SUPPLEMENTAL INDENTURE DATED AS OF AUGUST 13, 2021 NINTH SUPPLEMENT TO INDENTURE, DATED AS OF MAY 12, 2016, BETWEEN EQUIFAX INC. AND U.S. BANK NATIONAL ASSOCIATION, as Trustee NINTH SUPPLEMENTAL INDENTURE NINTH SUPPLEMENTAL INDENTURE, dated as of August 13, 2021, between EQUIFAX INC., a Georgia corporation (th

Underwriting Agreement, dated August 11, 2021, by and among Equifax Inc. and J.P. Morgan Securities LLC, BofA Securities, Inc., Mizuho Securities USA LLC, Truist Securities, Inc. and Wells Fargo Securities, LLC, as the representatives of the underwriters named therein (filed herewith).

EX-1.1 2 d218347dex11.htm EX-1.1 Exhibit 1.1 Underwriting Agreement August 11, 2021 J.P. Morgan Securities LLC 383 Madison Avenue New York, New York 10179 BofA Securities, Inc. One Bryant Park New York, New York 10036 Mizuho Securities USA LLC 1271 Avenue of the Americas, 3rd Floor New York, New York 10020 Truist Securities, Inc. 3333 Peachtree Road NE, 11th Floor Atlanta, Georgia 30326 Wells Farg

Financial Statements and Exhibits, Other Events

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (Date of earliest event reported): August 11, 2021 EQUIFAX INC. (Exact Name of Registrant as Specified in Charter) Georgia 001-06605 58-0401110 (State or Other Jurisdiction of Incorporation) (Commission File Number) (I

CALCULATION OF REGISTRATION FEE Title of Each Class of Securities to be Registered Amount to be registered Proposed Maximum Offering Price Per Unit Proposed Maximum Aggregate Offering Price Amount of registration fee (1) 2.350% Notes due 2031 $1,000,

Table of Contents Filed Pursuant to 424(b)(2) Registration Number 333-232854 CALCULATION OF REGISTRATION FEE Title of Each Class of Securities to be Registered Amount to be registered Proposed Maximum Offering Price Per Unit Proposed Maximum Aggregate Offering Price Amount of registration fee (1) 2.

Subject to completion, dated August 11, 2021

Table of Contents The information in this preliminary prospectus supplement is not complete and may be changed.

EQUIFAX INC. Final Term Sheet Summary of Terms Issuer: Equifax Inc. (the “Company”) Trade Date: August 11, 2021 Settlement Date (T+2): August 13, 2021 Security: 2.350% Senior Notes due 2031 (the “Notes”) Aggregate Principal Amount: $1,000,000,000 Mat

Filed Pursuant to Rule 433 Registration No. 333-232854 Issuer Free Writing Prospectus dated August 11, 2021 Relating to Preliminary Prospectus Supplement dated August 11, 2021 EQUIFAX INC. Final Term Sheet Summary of Terms Issuer: Equifax Inc. (the ?Company?) Trade Date: August 11, 2021 Settlement Date (T+2): August 13, 2021 Security: 2.350% Senior Notes due 2031 (the ?Notes?) Aggregate Principal

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 ☐ TRANSITION REPORT PU

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission File Number: 001-06605 EQUIFAX

Amendment No. 4 to Equifax 2005 Executive Deferred Compensation Plan, effective as of May 5, 2021 (incorporated by reference to Exhibit 10.1 to Equifax’s Form 10-Q filed July 22, 2021).

Exhibit 10.1 AMENDMENT NO. 4 TO EQUIFAX 2005 EXECUTIVE DEFERRED COMPENSATION PLAN (As Amended and Restated Effective January 1, 2015) THIS AMENDMENT is made as of this 5th day of May, 2021 by Equifax Inc. (the ?Company?); WHEREAS, the Company maintains the Equifax 2005 Executive Deferred Compensation Plan, as amended and restated as of January 1, 2015, and as further amended on June 30, 2016, Febr

Financial Statements and Exhibits, Results of Operations and Financial Condition

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): July 21, 2021 EQUIFAX INC. (Exact name of registrant as specified in Charter) GA 001-06605 58-0401110 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Empl

$7.25 per share

Exhibit 99.1 1550 Peachtree Street, N.W. Atlanta, Georgia 30309 NEWS RELEASE Contact: Dorian Hare Ben Sheidler Investor Relations Media Relations (404) 885-8210 [email protected] [email protected] ATLANTA, July 21, 2021 - Equifax Inc. (NYSE: EFX) today announced financial results for the quarter ended June 30, 2021. ?Highest ever quarterly revenue of $1.2 billion, up 26%; sixth cons

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 11-K ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 (Mark One) ? ANNUAL REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2020. OR ? TRANSITION REPORT PURSUANT TO SECTION 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transi

Submission of Matters to a Vote of Security Holders

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of report (Date of earliest event reported): May 6, 2021 EQUIFAX INC. (Exact name of registrant as specified in Charter) GA 001-06605 58-0401110 (State or other jurisdiction of incorporation) (Commission File Number) (IRS Employ

Form of Performance Share Award Agreement (TSR) (Senior Leadership Team) under the Equifax Inc. Amended and Restated 2008 Omnibus Incentive Plan (for awards granted in February 2021) (incorporated by reference to Exhibit 10.6 to Equifax’s Form 10-Q filed April 22, 2021).

Exhibit 10.6 EQUIFAX INC. 2008 OMNIBUS INCENTIVE PLAN PERFORMANCE SHARE AWARD AGREEMENT (TSR) [ ] ? [ ] Performance Period Target Number of Shares Subject to Award: [ ] Grant Date: [ ] Pursuant to the Equifax Inc. 2008 Omnibus Incentive Plan, as amended and restated effective May 2, 2013 (the ?Plan?), Equifax Inc., a Georgia corporation (the ?Company?), has granted the above-named participant (?Pa

Form of Restricted Stock Unit Award Agreement (Senior Leadership Team) under the Equifax Inc. Amended and Restated 2008 Omnibus Incentive Plan (for awards granted in February 2021) (incorporated by reference to Exhibit 10.4 to Equifax’s Form 10-Q filed April 22, 2021).

Exhibit 10.4 EQUIFAX INC. 2008 OMNIBUS INCENTIVE PLAN RESTRICTED STOCK UNIT AWARD AGREEMENT Number of Shares Subject to Award: [ ] Date of Grant: [ ] Pursuant to the Equifax Inc. 2008 Omnibus Incentive Plan, as amended and restated effective May 2, 2013 (the ?Plan?), Equifax Inc., a Georgia corporation (the ?Company?), has granted the above-named participant (?Participant?) Restricted Stock Units

Form of Premium-Priced Stock Option Award Agreement (CEO) under the Equifax Inc. Amended and Restated 2008 Omnibus Incentive Plan (for awards granted in February 2021) (incorporated by reference to Exhibit 10.2 to Equifax’s Form 10-Q filed April 22, 2021).

Exhibit 10.2 EQUIFAX INC. 2008 OMNIBUS INCENTIVE PLAN NON-QUALIFIED STOCK OPTION AGREEMENT MARK W. BEGOR Number of Shares Subject to Option: [ ] Option Prices: see table below Date of Grant: [ ] Pursuant to the Equifax Inc. 2008 Omnibus Incentive Plan, as amended and restated effective May 2, 2013 (the ?Plan?), Equifax Inc., a Georgia corporation (the ?Company?), has granted the above-named Partic

Quarterly Report - 10-Q

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q (Mark One) ? QUARTERLY REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2021 OR ? TRANSITION REPORT PURSUANT TO SECTION 13 or 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to . Commission File Number: 001-06605 EQUIFAX

Form of Non-Qualified Stock Option Award Agreement (Senior Leadership Team) under the Equifax Inc. Amended and Restated 2008 Omnibus Incentive Plan (for awards granted in February 2021) (incorporated by reference to Exhibit 10.5 to Equifax’s Form 10-Q filed April 22, 2021).

Exhibit 10.5 EQUIFAX INC. 2008 OMNIBUS INCENTIVE PLAN NON-QUALIFIED STOCK OPTION AGREEMENT Number of Shares Subject to Option: [ ] Option Price: [ ] Date of Grant: [ ] Pursuant to the Equifax Inc. 2008 Omnibus Incentive Plan, as amended and restated effective May 2, 2013 (the ?Plan?), Equifax Inc., a Georgia corporation (the ?Company?), has granted the above-named Participant (the ?Participant?) a

Form of Performance Share Award Agreement (TSR) (CEO) under the Equifax Inc. Amended and Restated 2008 Omnibus Incentive Plan (for awards granted in February 2021) (incorporated by reference to Exhibit 10.3 to Equifax’s Form 10-Q filed April 22, 2021).

Exhibit 10.3 EQUIFAX INC. 2008 OMNIBUS INCENTIVE PLAN PERFORMANCE SHARE AWARD AGREEMENT (TSR) [ ] ? [ ] Performance Period MARK W. BEGOR Target Number of Shares Subject to Award: [ ] Grant Date: [ ] Pursuant to the Equifax Inc. 2008 Omnibus Incentive Plan, as amended and restated effective May 2, 2013 (the ?Plan?), Equifax Inc., a Georgia corporation (the ?Company?), has granted the above-named pa