(10.42) Form of Success Incentive Plan Cash Success Unit and Stock Success Unit Agreement with Employee in U.S. (incorporated by reference to Exhibit 10.1 of Unum Group's Form 8-K filed on August 26, 2020). * (10.43) Form of Success Incentive Plan Cash Success Unit and Stock Success Unit Agreement with Employee in U.K. (incorporated by reference to Exhibit 10.2 of Unum Group's Form 8-K filed on August 26, 2020). * (10.44) Form of Restricted Stock Unit Agreement with Executive in U.S. for awards in 2021 under the Unum Group Stock Incentive Plan of 2017. * (10.45) Form of Restricted Stock Unit Agreement with Executive in U.K. for awards in 2021 under the Unum Group Stock Incentive Plan of 2017. * (21) Subsidiaries of the Registrant. (23) Consent of Independent Registered Public Accounting Firm. (24) Power of Attorney. (31.1) Certification of Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. (31.2) Certification of Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002. (32.1) Certification of Chief Executive Officer pursuant to 18 U.S.C. Section 1350 as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. (32.2) Certification of Chief Financial Officer pursuant to 18 U.S.C. Section 1350 as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002. (101) The following financial statements from Unum Group's Annual Report on Form 10-K for the year ended December 31, 2020, filed on February 17, 2021, formatted in XBRL: (i) Consolidated Balance Sheets, (ii) Consolidated Statements of Income, (iii) Consolidated Statements of Comprehensive Income (Loss), (iv) Consolidated Statements of Stockholders' Equity, (v) Consolidated Statements of Cash Flows, (vi) the Notes to Consolidated Financial Statements, (vii) Financial Statement Schedules. (104) Cover Page Interactive Data File (embedded within the Inline XBRL document). 232 ___________ * Management contract or compensatory plan required to be filed as an exhibit to this form pursuant to Item 15(c) of Form 10-K. ** Certain confidential information contained in this exhibit has been omitted because it (i) is not material and (ii) would likely cause competitive harm to Unum Group or its subsidiaries if it were to be publicly disclosed.