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KPI data tables

Arch Capital Group operating metrics behind the KPI charts, newest period first (up to 24 periods per chart). Periods use each company's own fiscal labels where the source does; each table names its source.

Arch Capital Current Accident Year Catastrophe Losses (Quarterly) (USD millions)
PeriodInsuranceReinsurance
Q3 2026110124
Q2 202615150
Q1 20267995
Q4 202564100
Q3 20254329
Q2 20255896
Q1 2025177370
Q4 2024161232
Q3 202486364
Q2 202430166
Q1 20242731

Source: Arch Capital Group Form 8-K Exhibit 99.2 financial supplements, Selected Information on Losses and Loss Adjustment Expenses (estimated net losses incurred from current accident year catastrophic events). Q1 2024 through Q4 2024 from the supplement for the year ended December 31, 2024 (https://www.sec.gov/Archives/edgar/data/947484/000094748425000008/ex-992supplement123124.htm). Q1 2025 from the supplement for the year ended December 31, 2025 (https://www.sec.gov/Archives/edgar/data/947484/000094748426000010/ex-992supplement123125.htm). Q2 2025 through Q2 2026 from the supplement for the quarter ended June 30, 2026 (https://www.sec.gov/Archives/edgar/data/947484/000094748426000118/ex-992supplement63026.htm). Q3 2026 from the supplement for the quarter ended September 30, 2026 (https://www.sec.gov/Archives/edgar/data/947484/000094748426000128/ex-992supplement93026.htm).

Arch Capital Mortgage Insurance in Force (Quarterly) (USD millions)
PeriodU.S. primary mortgage insuranceU.S. CRT and otherInternational mortgage insurance/reinsurance
Q3 2026285,488125,32266,417
Q2 2026286,399128,22864,254
Q1 2026286,523128,33865,223
Q4 2025286,318132,20566,084
Q3 2025286,785141,88966,277
Q2 2025286,410145,88364,374
Q1 2025287,768144,51762,487
Q4 2024290,435145,89264,822
Q3 2024292,313148,41770,380
Q2 2024292,512151,43768,986
Q1 2024288,385148,62369,811

Source: Arch Capital Group Form 8-K Exhibit 99.2 financial supplements, Mortgage Segment Insurance In Force table (period-end unpaid principal, before external reinsurance). Q1 2024 through Q4 2024 from the supplement for the year ended December 31, 2024 (https://www.sec.gov/Archives/edgar/data/947484/000094748425000008/ex-992supplement123124.htm). Q1 2025 from the supplement for the year ended December 31, 2025 (https://www.sec.gov/Archives/edgar/data/947484/000094748426000010/ex-992supplement123125.htm). Q2 2025 through Q2 2026 from the supplement for the quarter ended June 30, 2026 (https://www.sec.gov/Archives/edgar/data/947484/000094748426000118/ex-992supplement63026.htm). Q3 2026 from the supplement for the quarter ended September 30, 2026 (https://www.sec.gov/Archives/edgar/data/947484/000094748426000128/ex-992supplement93026.htm).

Arch Capital Net Premiums Written by Segment (Quarterly) (USD millions)
PeriodInsuranceReinsuranceMortgage
Q3 20262,0061,576263
Q2 20261,9331,844272
Q1 20261,9062,176266
Q4 20251,8761,506267
Q3 20251,9531,737274
Q2 20252,0362,059253
Q1 20251,9332,316266
Q4 20241,9541,588277
Q3 20241,8201,945282
Q2 20241,5581,947276
Q1 20241,5422,266277

Source: Arch Capital Group Form 8-K Exhibit 99.2 financial supplements, Insurance / Reinsurance / Mortgage segment pages (net premiums written, three months ended). Q1 2024 through Q4 2024 from the supplement for the year ended December 31, 2024 (https://www.sec.gov/Archives/edgar/data/947484/000094748425000008/ex-992supplement123124.htm). Q1 2025 from the supplement for the year ended December 31, 2025 (https://www.sec.gov/Archives/edgar/data/947484/000094748426000010/ex-992supplement123125.htm). Q2 2025 through Q2 2026 from the supplement for the quarter ended June 30, 2026 (https://www.sec.gov/Archives/edgar/data/947484/000094748426000118/ex-992supplement63026.htm). Q3 2026 from the supplement for the quarter ended September 30, 2026 (https://www.sec.gov/Archives/edgar/data/947484/000094748426000128/ex-992supplement93026.htm).

Arch Capital Reinsurance Net Premiums Written by Line (Quarterly) (USD millions)
PeriodProperty catastropheProperty excluding catastropheCasualtySpecialtyMarine and aviationOther
Q3 2026424774285275448
Q2 20263924513125635868
Q1 20263075484786877878
Q4 2025484753015875243
Q3 2025645573996336024
Q2 20254844303087296840
Q1 202547758149959412144

Source: Arch Capital Group Form 8-K Exhibit 99.2 financial supplements, Segment Information, Reinsurance Segment, Net Premiums Written by Line of Business (three months ended). Q1 2025 through Q1 2026 from the supplement for the quarter ended March 31, 2026 (https://www.sec.gov/Archives/edgar/data/947484/000094748426000051/ex-992supplement33126.htm). Q2 2026 from the supplement for the quarter ended June 30, 2026 (https://www.sec.gov/Archives/edgar/data/947484/000094748426000118/ex-992supplement63026.htm). Q3 2026 and the nine-month 2026 and 2025 comparison from the supplement for the quarter ended September 30, 2026 (https://www.sec.gov/Archives/edgar/data/947484/000094748426000128/ex-992supplement93026.htm).

Arch Capital U.S. Primary MI Persistency (Quarterly) (percent)
PeriodAnalysts persistency (%)
Q3 202679.2
Q2 202679.9
Q1 202680.7
Q4 202581.8
Q3 202582.3
Q2 202581.9
Q1 202581.9
Q4 202482.1
Q3 202482.9
Q2 202483.3
Q1 202483.6

Source: Arch Capital Group Form 8-K Exhibit 99.2 financial supplements, U.S. primary mortgage insurance supplemental disclosures (Analysts persistency). Q1 2024 through Q4 2024 from the supplement for the year ended December 31, 2024 (https://www.sec.gov/Archives/edgar/data/947484/000094748425000008/ex-992supplement123124.htm). Q1 2025 from the supplement for the year ended December 31, 2025 (https://www.sec.gov/Archives/edgar/data/947484/000094748426000010/ex-992supplement123125.htm). Q2 2025 through Q2 2026 from the supplement for the quarter ended June 30, 2026 (https://www.sec.gov/Archives/edgar/data/947484/000094748426000118/ex-992supplement63026.htm). Q3 2026 from the supplement for the quarter ended September 30, 2026 (https://www.sec.gov/Archives/edgar/data/947484/000094748426000128/ex-992supplement93026.htm).

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Arch Capital Group (ACGL) - KPIs | Sterling