Unum Group 2023 Outlook Meeting

2023 Outlook Meeting

February 23, 2023

SAFE HARBOR STATEMENT

Certain information in this news release constitutes "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995. Forward-looking statements are those not based on historical information, but rather relate to our outlook, future operations, strategies, financial results, or other developments and speak only as of the date made. These forward-looking statements, are subject to numerous assumptions, risks, and uncertainties, many of which are beyond our control. The following factors, in addition to other factors mentioned from time to time, may cause actual results to differ materially from those contemplated by the forward-looking statements: (1) the impact of COVID-19 on our business, financial position, results of operations, liquidity and capital resources, and overall business operations; (2) sustained periods of low interest rates; (3) fluctuation in insurance reserve liabilities and claim payments due to changes in claim incidence, recovery rates, mortality and morbidity rates, and policy benefit offsets due to, among other factors, the rate of unemployment and consumer confidence, the emergence of new diseases, epidemics, or pandemics, new trends and developments in medical treatments, the effectiveness of our claims operational processes, and changes in governmental programs; (4) unfavorable economic or business conditions, both domestic and foreign, that may result in decreases in sales, premiums, or persistency, as well as unfavorable claims activity; (5) changes in, or interpretations or enforcement of laws and regulations; (6) our ability to hire and retain qualified employees; (7) a cyber attack or other security breach could result in the unauthorized acquisition of confidential data; (8) the failure of our business recovery and incident management processes to resume our business operations in the event of a natural catastrophe, cyber attack, or other event; (9) investment results, including, but not limited to, changes in interest rates, defaults, changes in credit spreads, impairments, and the lack of appropriate investments in the market which can be acquired to match our liabilities; (10) increased competition from other insurers and financial services companies due to industry consolidation, new entrants to our markets, or other factors; (11) changes in our financial strength and credit ratings; (12) our ability to develop digital capabilities or execute on our technology systems upgrades or replacements; (13) actual experience in the broad array of our products that deviates from our assumptions used in pricing, underwriting, and reserving; (14) availability of reinsurance in the market and the ability of our reinsurers to meet their obligations to us; (15) ability to generate sufficient internal liquidity and/or obtain external financing; (16) damage to our reputation due to, among other factors, regulatory investigations, legal proceedings, external events, and/or inadequate or failed internal controls and procedures; (17) recoverability and/or realization of the carrying value of our intangible assets, long-lived assets, and deferred tax assets; (18) effectiveness of our risk management program; (19) contingencies and the level and results of litigation; (20) ineffectiveness of our derivatives hedging programs due to changes in the economic environment, counterparty risk, ratings downgrades, capital market volatility, changes in interest rates, and/or regulation; (21) fluctuation in foreign currency exchange rates; and (22) our ability to meet environment, social, and governance standards and expectations of investors, regulators, customers, and other stakeholders. For further discussion of risks and uncertainties which could cause actual results to differ from those contained in the forward-looking statements, see Part 1, Item 1A "Risk Factors" of our annual report on Form 10-K for the year ended December 31, 2021. The forward- looking statements in this news release are being made as of the date of this news release, and we expressly disclaim any obligation to update or revise any forward-looking statement contained herein, even if made available on our website or otherwise.

2

Opening Remarks and

Company Overview

Rick McKenney

CHIEF EXECUTIVE OFFICER

5