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Logo W. R. Berkley Corporation Reports Second Quarter Results 7/22/2021 Second Quarter Net Premiums Written Grew 27.2 % and Return on Equity of 15.0 % GREENWICH , Conn .-- ( BUSINESS WIRE ) -- W. R. Berkley Corporation ( NYSE : WRB ) today reported its second quarter 2021 results . Gross premiums written Net premiums written Net income to common stockholders Net income per diluted share Operating income ( 1 ) Operating income per diluted share Return on equity ( 2 ) Summary Financial Data ( Amounts in thousands , except per share data ) Second Quarter 2021 2020 $ Second quarter highlights included : 2,661,236 2,212,181 237,238 1.27 219,059 1.17 15.0 % $ 2,132,246 1,739,818 71,260 0.38 11,552 0.06 4.7 % $ 2021 Six Months 5,145,948 4,262,219 466,763 2.50 420,840 2.25 14.8 % $ 2020 4,363,618 3,585,664 66,842 0.35 144,064 0.76 2.2 % ( 1 ) Operating income is a non - GAAP financial measure defined by the Company as net income excluding after - tax net investment gains ( losses ) and related expenses . ( 2 ) Return on equity represents net income expressed on an annualized basis as a percentage of beginning of year common stockholders ' equity . ● Net premiums written increased 27.2 % . • The reported combined ratio was 89.7 % . The current accident year combined ratio before catastrophe losses of 2.2 loss ratio points was 87.5 % . 1