HARTFORD INSURANCE GROUP, INC.

Reportable Segment and Corporate Operating Summaries

Business Insurance - Results of Operations

[1]For additional information on current accident year catastrophes and prior accident year development, see MD&A - Critical Accounting Estimates, Property & Casualty Insurance Product Reserves, Net of Reinsurance and Note 9 - Reserve for Unpaid Losses and Loss Adjustment Expenses of Notes to Condensed Consolidated Financial Statements.

[3]Includes integration costs in connection with the 2019 acquisition of Navigators Group.

[4]For discussion of income taxes, see Note 12 - Income Taxes of Notes to Condensed Consolidated Financial Statements.

Premium Measures

[1]Except for net new business premium, metrics for middle market exclude loss sensitive and programs businesses.

[2]Excludes Global Re and is before ceded reinsurance.

[3]Excludes Global Re, offshore energy policies, credit and political risk insurance ("CPRI") policies, political violence and terrorism ("PV&T") policies, and any business under which the managing agent of our Lloyd's Syndicate delegates underwriting authority to coverholders and other third parties.

Underwriting Ratios

Net income for the three and nine month periods decreased primarily due to higher net realized losses and lower underwriting gains, partially offset by higher net investment income. For further discussion of investment results, see MD&A - Investment Results.

Underwriting Gain

Underwriting gain for the three and nine month periods decreased due to a higher underlying loss and LAE ratio, partially offset by earned premium growth. The three month period also included higher CAY catastrophe losses. The nine month period also included less favorable prior accident year development, partially offset by lower CAY catastrophe losses.

Expense ratio for the three month period decreased, primarily due to the impact of earned premium growth and lower staffing costs, partially offset by higher technology investments in our business. For the nine month period, the expense ratio decreased primarily due to the impact of earned premium growth, partially offset by higher staffing costs and technology investments in our business.

[1]Other earned premiums of $16 and $18 for the three months ended September 30, 2025, and 2026, respectively and $48 and $54 for the nine months ended September 30, 2025, and 2026, respectively.

Written Premiums

[1]Other written premiums of $16 and $18 for the three months ended September 30, 2025, and 2026, respectively and $48 and $54 for the nine months ended September 30, 2025, and 2026, respectively.

Earned premiums for the three and nine months ended September 30, 2026 increased due to written premium increases over the prior twelve months.

Written premiumsfor the three and nine months ended September 30, 2026 increased driven by growth across small business, middle & large business and global specialty.

•Small business written premium increased driven by renewal written price increases in almost all lines, as well as higher new business premium for the nine month period. Written premium grew across most lines of business.

•Middle & large business written premium increased driven by renewal written price increases in almost all lines. Written premium grew across industry verticals and certain large and complex lines, and for the three months ended, general industries. For the nine months ended, premium growth was partially offset by decreases in large property while general industries was flat to the prior year.

•Global specialty written premium increased largely driven by growth in global reinsurance, primarily within credit risk and specialty casualty, including favorable prior-period premium adjustments resulting from higher than expected underlying cedant premium volume. Specialty insurance written premium also increased, primarily reflecting renewal written price increases across most U.S. insurance lines.

Renewal written price increases were recognized in most lines for both the three and nine months ended September 30, 2026, though have moderated from the prior year.

•In small business, renewal written price increases were lower than prior year levels overall, with high single-digit price increases in package business and automobile. Workers' compensation pricing was slightly positive.

•In middle market, renewal written price increases were lower than prior year levels overall, with high single-digit price increases in automobile and general liability lines. Property pricing remained in the low single-digits, excluding large property, which was negative. Workers' compensation pricing was slightly positive.

•In global specialty, for the three month period, renewal written price increases were higher than the prior year. For the nine month period, U.S. pricing increases were in line with prior year levels, while International pricing decreases were slightly higher than in the prior-year period. Overall, price increases remained in the low single-digits, including high single-digit increases within U.S. wholesale.

Underlying Loss and Loss Adjustment Expense Ratio

Underlying Loss and Loss Adjustment Expense Ratio for both the three and nine month periods increased primarily due to a higher loss ratio in workers' compensation. The nine month period also included higher non-cat property losses and a change in business mix.

Catastrophes and Unfavorable (Favorable) Prior Accident Year Development

Current accident year catastrophe losses increased for the three month period and decreased for the nine month period. CAY catastrophe losses for both the three and nine months ended September 30, 2026, primarily included losses from tornado, wind and hail events, as well as winter storms for the nine month period.

CAY catastrophe losses for the three and nine months ended September 30, 2025 included losses from tornado, wind and hail events, and for the nine month period, also included a loss of $196, net of reinsurance, from the January 2025 California Wildfire Event.

Prior accident year development was net favorable and included reserve decreases related to workers' compensation and commercial property for the three and nine months ended September 30, 2026 and for the nine month period, catastrophes and bond, partially offset by an increase in reserves for general liability and commercial automobile liability. For additional information, refer to Note 9 - Reserve for Unpaid Losses and Loss Adjustment Expenses of Notes to Condensed Consolidated Financial Statements.

Prior accident year development was net favorable for the three and nine months ended September 30, 2025 and primarily included reserve decreases for workers' compensation, commercial property and, and for the nine month period, catastrophes and bond. Also included are benefits of $8 and $64 related to amortization of the Navigators ADC deferred gain for the three and nine month periods, respectively. The Navigators' ADC deferred gain has been fully amortized as of September 30, 2025. For additional information regarding the Navigators ADC reinsurance agreement, refer to Note 9 - Reserve for Unpaid Losses and Loss Adjustment Expenses of Notes to Condensed Consolidated Financial Statements.