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Schedule IV - Reinsurance
 12 Months Ended
Dec. 31, 2024
SEC Schedule, 12-17, Insurance Companies, Reinsurance [Abstract]  
Schedule IV - Reinsurance
Schedule IV

W. R. Berkley Corporation and Subsidiaries
Reinsurance
Years ended December 31, 2024, 2023 and 2022
Premiums Written
(In thousands, other than percentages)Direct
Amount		Ceded
to Other
Companies		Assumed
from Other
Companies		Net
Amount		Percentage
of Amount
Assumed
to Net
Year ended December 31, 2024     
Insurance$12,417,129 $2,112,582 $245,003 $10,549,550 2.3 %
Reinsurance & Monoline Excess487,764 126,413 1,061,195 1,422,546 74.6 %
Total$12,904,893 $2,238,995 $1,306,198 $11,972,096 10.9 %
Year ended December 31, 2023     
Insurance$11,209,325 $1,900,560 $251,768 $9,560,533 2.6 %
Reinsurance & Monoline Excess467,418 116,979 1,043,495 1,393,934 74.9 %
Total$11,676,743 $2,017,539 $1,295,263 $10,954,467 11.8 %
Year ended December 31, 2022     
Insurance$10,193,154 $1,796,845 $212,719 $8,609,028 2.5 %
Reinsurance & Monoline Excess501,984 108,137 1,001,195 1,395,042 71.8 %
Total$10,695,138 $1,904,982 $1,213,914 $10,004,070 12.1 %
___________________________
See Report of Independent Registered Public Accounting Firm.