Other Events. On August 26, 2026, Unum Group, a Delaware corporation (the "Company"), issued a news release announcing that its Board of Directors has authorized the repurchase of up to $1 billion of its outstanding shares of common stock from time to time beginning on September 1, 2026. The Company's current share repurchase program will continue in effect through August 31, 2026, at which time the current program will terminate and all subsequent repurchases will take place under the new pr…

Results of Operations and Financial Condition. On July 28, 2026, Unum Group (the "Company") issued a news release reporting its results for the second quarter of 2026, a copy of which is furnished herewith as Exhibit 99.1 and incorporated herein by reference. Also on July 28, 2026, the Company posted on its website at www.unum.com the Statistical Supplement relating to its financial results for the second quarter of 2026. A copy of the Statistical Supplement is furnished herewith as Exhibit 9…

of this report, including Exhibits 99.1 and 99.2, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall they be deemed to be incorporated by reference into any of Unum’s filings under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing. SAFE HARBOR STATEMENT Certain in…

Entry into a Material Definitive Agreement. On July 2, 2026, Unum Life Insurance Company of America (the “Ceding Company”), a Maine-domiciled insurance company and a wholly owned subsidiary of Unum Group (“Unum”), entered into a Master Transaction Agreement (the “Agreement”) with Fortitude Reinsurance Company Ltd. (the “Reinsurer”), a reinsurance company organized under the laws of Bermuda, pursuant to which, among other things, on the terms and subject to the conditions set forth in Agreemen…

Other Events. On May 21, 2026, Unum Group announced that its Board of Directors has authorized an increase in the quarterly dividend to be paid on its common stock. The new quarterly dividend rate of 50.5 cents per common share, or $2.02 per share on an annual basis, will be effective with the dividend expected to be paid in the third quarter of 2026. A copy of the news release concerning the dividend increase is filed herewith as Exhibit 99.1 and incorporated herein by reference.

Results of Operations and Financial Condition. On April 28, 2026, Unum Group (the "Company") issued a news release reporting its results for the first quarter of 2026, a copy of which is furnished herewith as Exhibit 99.1 and incorporated herein by reference. Also on April 28, 2026, the Company posted on its website at www.unum.com the Statistical Supplement relating to its financial results for the first quarter of 2026. A copy of the Statistical Supplement is furnished herewith as Exhibit 9…

Results of Operations and Financial Condition. On February 5, 2026, Unum Group issued a news release reporting its results for the fourth quarter of 2025, a copy of which is furnished herewith as Exhibit 99.1 to this Current Report on Form 8-K and incorporated herein by reference. Also on February 5, 2026, Unum Group made available on its investor relations website at www.investors.unum.com the Statistical Supplement relating to its financial results for the fourth quarter of 2025. A copy of…

Other Events. On December 4, 2025, Unum Group, a Delaware corporation (the "Company"), issued a news release announcing that its Board of Directors has authorized the repurchase of up to $1 billion of its outstanding shares of common stock from time to time beginning on January 1, 2026. The Company's current share repurchase program will continue in effect through December 31, 2025, at which time the current program will terminate and all subsequent repurchases will take place under the new p…

Other Events. On November 14, 2025, Unum Group, a Delaware corporation ( “ Unum Group ” or the “ Company ” ), announced that it had completed an offering of $300,000,000 aggregate principal amount of 5.250% Senior Notes due 2035 (the “ Notes ” ). The Notes were offered and sold pursuant to an Underwriting Agreement, dated November 6, 2025 (the “ Underwriting Agreement ” ), and issued by the Company under an Indenture, dated as of August 23, 2012, as amended by the First Supplemental Indenture…

Results of Operations and Financial Condition. On November 3, 2025, Unum Group (the "Company") issued a news release reporting its results for the third quarter of 2025, a copy of which is furnished herewith as Exhibit 99.1 and incorporated herein by reference. Also on November 3, 2025, the Company posted on its website at www.unum.com the Statistical Supplement relating to its financial results for the third quarter of 2025. A copy of the Statistical Supplement is furnished herewith as Exhib…

Results of Operations and Financial Condition. On July 29, 2025, Unum Group (the "Company") issued a news release reporting its results for the second quarter of 2025, a copy of which is furnished herewith as Exhibit 99.1 and incorporated herein by reference. Also on July 29, 2025, the Company posted on its website at www.unum.com the Statistical Supplement relating to its financial results for the second quarter of 2025. A copy of the Statistical Supplement is furnished herewith as Exhibit 9…

Entry into a Material Definitive Agreement. On July 1, 2025, Unum Group (the “Company”) announced the closing of the transactions (collectively, the “Transaction”) contemplated by the Master Transaction Agreement (the “Master Transaction Agreement”), dated as of February 26, 2025, between Unum Life Insurance Company of America (the “Ceding Company”), a Maine-domiciled insurance company and wholly-owned subsidiary of the Company, and Fortitude Reinsurance Company Ltd. (the “Reinsurer”), a rein…

Other Events. On May 22, 2025, Unum Group announced that its Board of Directors has authorized an increase in the quarterly dividend to be paid on its common stock. The new quarterly dividend rate of 46.0 cents per common share, or $1.84 per share on an annual basis, will be effective with the dividend expected to be paid in the third quarter of 2025. A copy of the news release concerning the dividend increase is filed herewith as Exhibit 99.1 and incorporated herein by reference.

Results of Operations and Financial Condition. On April 29, 2025, Unum Group (the "Company") issued a news release reporting its results for the first quarter of 2025, a copy of which is furnished herewith as Exhibit 99.1 and incorporated herein by reference. Also on April 29, 2025, the Company posted on its website at www.unum.com the Statistical Supplement relating to its financial results for the first quarter of 2025. A copy of the Statistical Supplement is furnished herewith as Exhibit 9…

of this report, including Exhibits 99.1 and 99.2, shall not be deemed “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall they be deemed to be incorporated by reference into any of Unum’s filings under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such a filing. SAFE HARBOR STATEMENT Certain in…

Entry into a Material Definitive Agreement. On February 26, 2025, Unum Life Insurance Company of America (the “Ceding Company”), a Maine-domiciled insurance company and a wholly-owned subsidiary of Unum Group (“Unum”), entered into a Master Transaction Agreement (the “Agreement”) with Fortitude Reinsurance Company Ltd. (the “Reinsurer”), a reinsurance company organized under the laws of Bermuda, pursuant to which, among other things, on the terms and subject to the conditions set forth in Agr…

Other Events. On February 18, 2025, Unum Group, a Delaware corporation (the “Company”), issued a news release announcing that its Board of Directors has authorized the repurchase of up to $1 billion of its outstanding shares of common stock from time to time on or after April 1, 2025. The Board of Directors also authorized the termination of the Company’s current share repurchase program as of March 31, 2025, with any unused amount under the program expiring as of that date. A copy of the new…

Results of Operations and Financial Condition. On February 4, 2025, Unum Group issued a news release reporting its results for the fourth quarter of 2024, a copy of which is furnished herewith as Exhibit 99.1 to this Current Report on Form 8-K and incorporated herein by reference. Also on February 4, 2025, Unum Group made available on its investor relations website at www.investors.unum.com the Statistical Supplement relating to its financial results for the fourth quarter of 2024. A copy of…

Results of Operations and Financial Condition. On October 29, 2024, Unum Group (the "Company") issued a news release reporting its results for the third quarter of 2024, a copy of which is furnished herewith as Exhibit 99.1 and incorporated herein by reference. Also on October 29, 2024, the Company posted on its website at www.unum.com the Statistical Supplement relating to its financial results for the third quarter of 2024. A copy of the Statistical Supplement is furnished herewith as Exhib…

Other Events. On July 30, 2024, the Company issued a news release announcing that its Board of Directors has authorized the repurchase of up to $1 billion of its outstanding shares of common stock from time to time beginning on August 1, 2024. A copy of the news release concerning the share repurchase authorization is filed herewith as Exhibit 99.3 and incorporated herein by reference.

Results of Operations and Financial Condition. On July 30, 2024, Unum Group (the "Company") issued a news release reporting its results for the second quarter of 2024, a copy of which is furnished herewith as Exhibit 99.1 and incorporated herein by reference. Also on July 30, 2024, the Company posted on its website at www.unum.com the Statistical Supplement relating to its financial results for the second quarter of 2024. A copy of the Statistical Supplement is furnished herewith as Exhibit 9…

Other Events. On June 10, 2024, Unum Group, a Delaware corporation (the "Company"), announced that it had completed an offering of $400,000,000 aggregate principal amount of 6.000% Senior Notes due 2054 (the "Notes"). The Notes were offered and sold pursuant to an Underwriting Agreement, dated June 5, 2024 (the "Underwriting Agreement"), and issued by the Company under an Indenture, dated as of August 23, 2012, as amended by the First Supplemental Indenture, dated as of August 20, 2020. Copie…

Results of Operations and Financial Condition. On April 30, 2024, Unum Group (the "Company") issued a news release reporting its results for the first quarter of 2024, a copy of which is furnished herewith as Exhibit 99.1 and incorporated herein by reference. Also on April 30, 2024, the Company posted on its website at www.unum.com the Statistical Supplement relating to its financial results for the first quarter of 2024. A copy of the Statistical Supplement is furnished herewith as Exhibit 9…

Other Events. On April 30, 2024, the Company announced that its Board of Directors has authorized an increase in the quarterly dividend to be paid on its common stock. The new quarterly dividend rate of 42 cents per common share, or $1.68 per share on an annual basis, will be effective with the dividend expected to be paid in the third quarter of 2024. A copy of the news release concerning the dividend increase is filed herewith as Exhibit 99.3 and incorporated herein by reference.