| Commission File Number | |
| (State or other jurisdiction of incorporation or organization) | (I.R.S. Employer Identification No.) | |||
| (Address of principal executive offices) | (Zip Code) | |||
| None | ||
| Former name, former address and former fiscal year, if changed since last report. | ||
| Title of Each Class | Trading Symbol | Name of Each Exchange on Which Registered | ||
| By: |  /s/   Richard M. Baio | |
| Name: | Richard M. Baio | |
| Title: | Executive Vice President | |
| Chief Financial Officer and Treasurer | ||
| Press Release dated January 28, 2020  | 
| NEWS RELEASE | |||
| W. R. Berkley Corporation 475 Steamboat Road Greenwich, Connecticut 06830 (203) 629-3000 | |||
| Fourth Quarter | Twelve Months | |||||||||||||||
| 2019 | 2018 | 2019 | 2018 | |||||||||||||
| Gross premiums written | $ | 2,033,078 | $ | 1,847,214 | $ | 8,262,219 | $ | 7,702,494 | ||||||||
| Net premiums written | 1,660,528 | 1,519,571 | 6,863,499 | 6,433,227 | ||||||||||||
| Net income to common stockholders | 119,306 | 132,357 | 681,944 | 640,749 | ||||||||||||
| Net income per diluted share (1) | 0.62 | 0.69 | 3.52 | 3.33 | ||||||||||||
| Return on equity (2) | 8.8 | % | 9.8 | % | 12.5 | % | 11.8 | % | ||||||||
| (1) | 2018 per share amounts were restated for comparative purposes to reflect the 3-for-2 common stock split effected on April 2, 2019. | 
| (2) | Return on equity represents net income expressed on an annualized basis as a percentage of beginning of year stockholders’ equity. | 
| • | Return on equity of 12.5%. | 
| • | Total capital returned to shareholders was $326 million, including $308 million of ordinary and special dividends and $18 million of share repurchases. | 
| • | The accident year combined ratio excluding catastrophe losses was 92.3%. The reported calendar year combined ratio was 93.3%, which is inclusive of 1.2 loss ratio points from catastrophes. | 
| • | Total capital returned to shareholders was $176 million, including $158 million of ordinary and special dividends and $18 million of share repurchases. | 
| Fourth Quarter | Twelve Months | |||||||||||||||
| 2019 | 2018 | 2019 | 2018 | |||||||||||||
| Revenues: | ||||||||||||||||
| Net premiums written | $ | 1,660,528 | $ | 1,519,571 | $ | 6,863,499 | $ | 6,433,227 | ||||||||
| Change in unearned premiums | 56,253 | 99,988 | (230,211 | ) | (61,722 | ) | ||||||||||
| Net premiums earned | 1,716,781 | 1,619,559 | 6,633,288 | 6,371,505 | ||||||||||||
| Net investment income | 137,334 | 159,816 | 645,614 | 674,235 | ||||||||||||
| Net realized and unrealized (losses) gains on investments | (22,988 | ) | 19,746 | 120,703 | 160,175 | |||||||||||
| Other than temporary impairments ("OTTI") | — | (5,687 | ) | — | (5,687 | ) | ||||||||||
| Revenues from non-insurance businesses | 123,537 | 130,948 | 406,541 | 372,985 | ||||||||||||
| Insurance service fees | 21,240 | 26,582 | 92,680 | 117,757 | ||||||||||||
| Other income | 170 | 622 | 3,370 | 681 | ||||||||||||
| Total revenues | 1,976,074 | 1,951,586 | 7,902,196 | 7,691,651 | ||||||||||||
| Expenses: | ||||||||||||||||
| Losses and loss expenses | 1,072,166 | 1,020,126 | 4,131,116 | 3,974,702 | ||||||||||||
| Other operating costs and expenses | 601,121 | 601,992 | 2,362,082 | 2,383,221 | ||||||||||||
| Expenses from non-insurance businesses | 122,527 | 126,252 | 402,669 | 364,449 | ||||||||||||
| Interest expense | 33,496 | 40,577 | 153,409 | 157,185 | ||||||||||||
| Total expenses | 1,829,310 | 1,788,947 | 7,049,276 | 6,879,557 | ||||||||||||
| Income before income taxes | 146,764 | 162,639 | 852,920 | 812,094 | ||||||||||||
| Income tax expense | (26,970 | ) | (26,367 | ) | (168,935 | ) | (163,028 | ) | ||||||||
| Net income before noncontrolling interests | 119,794 | 136,272 | 683,985 | 649,066 | ||||||||||||
| Noncontrolling interests | (488 | ) | (3,915 | ) | (2,041 | ) | (8,317 | ) | ||||||||
| Net income to common stockholders | $ | 119,306 | $ | 132,357 | $ | 681,944 | $ | 640,749 | ||||||||
| Net income per share (1): | ||||||||||||||||
| Basic | $ | 0.62 | $ | 0.69 | $ | 3.58 | $ | 3.37 | ||||||||
| Diluted | $ | 0.62 | $ | 0.69 | $ | 3.52 | $ | 3.33 | ||||||||
| Average shares outstanding (1) (2): | ||||||||||||||||
| Basic | 191,106 | 190,601 | 190,722 | 190,048 | ||||||||||||
| Diluted | 193,280 | 192,611 | 193,521 | 192,395 | ||||||||||||
| (1) | 2018 per share amounts were restated for comparative purposes to reflect the 3-for-2 common stock split effected on April 2, 2019.  | 
| (2) | Basic shares outstanding consist of the weighted average number of common shares outstanding during the period (including shares held in a grantor trust). Diluted shares outstanding consist of the weighted average number of basic and common equivalent shares outstanding during the period. | 
| Fourth Quarter | Twelve Months | |||||||||||||||
| 2019 | 2018 | 2019 | 2018 | |||||||||||||
| Insurance: | ||||||||||||||||
| Gross premiums written | $ | 1,832,711 | $ | 1,681,638 | $ | 7,398,573 | $ | 6,980,202 | ||||||||
| Net premiums written | 1,484,932 | 1,371,886 | 6,086,009 | 5,791,905 | ||||||||||||
| Premiums earned | 1,523,748 | 1,447,576 | 5,919,819 | 5,702,073 | ||||||||||||
| Pre-tax income | 202,085 | 161,458 | 814,862 | 717,154 | ||||||||||||
| Loss ratio | 62.6 | % | 63.2 | % | 62.4 | % | 62.5 | % | ||||||||
| Expense ratio | 30.4 | % | 32.7 | % | 31.1 | % | 32.6 | % | ||||||||
| GAAP combined ratio | 93.0 | % | 95.9 | % | 93.5 | % | 95.1 | % | ||||||||
| Reinsurance & Monoline Excess: | ||||||||||||||||
| Gross premiums written | $ | 200,367 | $ | 165,576 | $ | 863,646 | $ | 722,292 | ||||||||
| Net premiums written | 175,596 | 147,685 | 777,490 | 641,322 | ||||||||||||
| Premiums earned | 193,033 | 171,983 | 713,469 | 669,432 | ||||||||||||
| Pre-tax income | 44,837 | 52,075 | 189,188 | 201,001 | ||||||||||||
| Loss ratio | 61.1 | % | 61.4 | % | 61.5 | % | 61.0 | % | ||||||||
| Expense ratio | 34.4 | % | 34.6 | % | 35.0 | % | 35.8 | % | ||||||||
| GAAP combined ratio | 95.5 | % | 96.0 | % | 96.5 | % | 96.8 | % | ||||||||
| Corporate and Eliminations: | ||||||||||||||||
|   Net realized and unrealized (losses) gains on investments | $ | (22,988 | ) | $ | 14,059 | $ | 120,703 | $ | 154,488 | |||||||
|   Interest expense | (33,496 | ) | (40,577 | ) | (153,409 | ) | (157,185 | ) | ||||||||
|   Other revenues and expenses | (43,674 | ) | (24,376 | ) | (118,424 | ) | (103,364 | ) | ||||||||
|   Pre-tax loss | (100,158 | ) | (50,894 | ) | (151,130 | ) | (106,061 | ) | ||||||||
| Consolidated: | ||||||||||||||||
|   Gross premiums written | $ | 2,033,078 | $ | 1,847,214 | $ | 8,262,219 | $ | 7,702,494 | ||||||||
|   Net premiums written | 1,660,528 | 1,519,571 | 6,863,499 | 6,433,227 | ||||||||||||
|   Premiums earned | 1,716,781 | 1,619,559 | 6,633,288 | 6,371,505 | ||||||||||||
|   Pre-tax income | 146,764 | 162,639 | 852,920 | 812,094 | ||||||||||||
|   Loss ratio | 62.4 | % | 63.0 | % | 62.3 | % | 62.4 | % | ||||||||
|   Expense ratio | 30.9 | % | 32.9 | % | 31.5 | % | 32.9 | % | ||||||||
|   GAAP combined ratio | 93.3 | % | 95.9 | % | 93.8 | % | 95.3 | % | ||||||||
| (1) | Loss ratio is losses and loss expenses incurred expressed as a percentage of premiums earned. Expense ratio is underwriting expenses expressed as a percentage of premiums earned. GAAP combined ratio is the sum of the loss ratio and the expense ratio. | 
| (2) | Commencing with the first quarter of 2019, the Company renamed the Reinsurance segment to Reinsurance & Monoline Excess, and reclassified the monoline excess business from the Insurance segment. The reclassified business includes operations that solely retains risk on an excess basis. Reclassifications have been made to the Company's 2018 financial information to conform with this presentation.   | 
| Fourth Quarter | Twelve Months | |||||||||||||||
| 2019 | 2018 | 2019 | 2018 | |||||||||||||
| Net premiums written:  | ||||||||||||||||
|   Other liability | $ | 537,674 | $ | 480,761 | $ | 2,145,287 | $ | 1,951,906 | ||||||||
|   Workers' compensation | 282,840 | 292,909 | 1,280,573 | 1,319,453 | ||||||||||||
|   Short-tail lines (1) | 319,423 | 289,806 | 1,254,180 | 1,198,571 | ||||||||||||
|   Commercial automobile | 188,459 | 169,792 | 796,993 | 759,714 | ||||||||||||
|   Professional liability | 156,536 | 138,618 | 608,976 | 562,261 | ||||||||||||
|     Total Insurance | 1,484,932 | 1,371,886 | 6,086,009 | 5,791,905 | ||||||||||||
|   Casualty reinsurance | 116,698 | 97,336 | 460,239 | 350,282 | ||||||||||||
| Monoline excess | 21,225 | 19,605 | 162,796 | 160,956 | ||||||||||||
|   Property reinsurance | 37,673 | 30,744 | 154,455 | 130,084 | ||||||||||||
|      Total Reinsurance & Monoline Excess | 175,596 | 147,685 | 777,490 | 641,322 | ||||||||||||
|           Total | $ | 1,660,528 | $ | 1,519,571 | $ | 6,863,499 | $ | 6,433,227 | ||||||||
| Losses from catastrophes: | ||||||||||||||||
|   Insurance | $ | 14,744 | $ | 26,367 | $ | 68,187 | $ | 75,778 | ||||||||
|   Reinsurance & Monoline Excess | 5,736 | 19,156 | 21,914 | 29,691 | ||||||||||||
|     Total | $ | 20,480 | $ | 45,523 | $ | 90,101 | $ | 105,469 | ||||||||
| Net investment income: | ||||||||||||||||
|   Core portfolio (2) | $ | 137,022 | $ | 137,541 | $ | 541,834 | $ | 536,730 | ||||||||
|   Investment funds | (8,090 | ) | 15,274 | 69,194 | 109,349 | |||||||||||
|   Arbitrage trading account | 8,402 | 7,001 | 34,586 | 28,156 | ||||||||||||
|     Total | $ | 137,334 | $ | 159,816 | $ | 645,614 | $ | 674,235 | ||||||||
| Net realized and unrealized (losses) gains on investments: | ||||||||||||||||
|   Net realized gains on investment sales | $ | 7,442 | $ | 59,789 | $ | 35,411 | $ | 480,588 | ||||||||
|   Change in unrealized (losses) gains on equity securities | (30,430 | ) | (40,043 | ) | 85,292 | (320,413 | ) | |||||||||
|     Total | $ | (22,988 | ) | $ | 19,746 | $ | 120,703 | $ | 160,175 | |||||||
| Other operating costs and expenses: | ||||||||||||||||
|   Policy acquisition and insurance operating expenses | $ | 529,951 | $ | 532,408 | $ | 2,090,301 | $ | 2,098,881 | ||||||||
|   Insurance service expenses | 23,804 | 27,387 | 101,317 | 118,357 | ||||||||||||
|   Net foreign currency gains | (1,631 | ) | (5,033 | ) | (30,715 | ) | (27,067 | ) | ||||||||
|   Other costs and expenses | 48,997 | 47,230 | 201,179 | 193,050 | ||||||||||||
|     Total | $ | 601,121 | $ | 601,992 | $ | 2,362,082 | $ | 2,383,221 | ||||||||
| Cash flow from operations | $ | 348,749 | $ | 277,675 | $ | 1,143,793 | $ | 620,199 | ||||||||
| (1) | Short-tail lines include commercial multi-peril (non-liability), inland marine, accident and health, fidelity and surety, boiler and machinery and other lines. | 
| (2) | Core portfolio includes fixed maturity securities, equity securities, cash and cash equivalents, real estate and   loans receivable. | 
| December 31,  2019 | December 31, 2018 | ||||||
| Net invested assets (1) | $ | 19,856,776 | $ | 18,828,321 | |||
| Total assets | 26,643,428 | 24,895,977 | |||||
| Reserves for losses and loss expenses | 12,583,249 | 11,966,448 | |||||
| Senior notes and other debt | 1,427,575 | 1,882,028 | |||||
| Subordinated debentures | 1,198,704 | 907,491 | |||||
| Common stockholders’ equity (2) | 6,074,939 | 5,437,851 | |||||
| Common stock outstanding (3) (4) | 183,412 | 182,994 | |||||
| Book value per share (4) (5) | 33.12 | 29.72 | |||||
| Tangible book value per share (4) (5) | 31.87 | 28.42 | |||||
| (1) | Net invested assets include investments, cash and cash equivalents, trading accounts receivable from brokers and clearing organizations, trading account securities sold but not yet purchased and unsettled purchases, net of related liabilities. | 
| (2) | As of December 31, 2019, reflected in common stockholders' equity are after-tax unrealized investment gains of $125 million and unrealized currency translation losses of $382 million. As of December 31, 2018, after-tax unrealized investment losses were $91 million and unrealized currency translation losses were $419 million. | 
| (3) | During the three and twelve months ended December 31, 2019, the Company repurchased 269,072 shares of its common stock for $18.2 million. The number of shares of common stock outstanding excludes shares held in a grantor trust.  | 
| (4) | December 31, 2018 shares outstanding and per share amounts were restated for comparative purposes to reflect the 3-for-2 common stock split effected on April 2, 2019. | 
| (5) | Book value per share is total common stockholders’ equity divided by the number of common shares outstanding. Tangible book value per share is total common stockholders’ equity excluding the after-tax value of goodwill and other intangible assets divided by the number of common shares outstanding. | 
| Carrying Value | Percent of Total | ||||||
| Fixed maturity securities: | |||||||
| United States government and government agencies | $ | 786,931 | 4.0 | % | |||
| State and municipal: | |||||||
| Special revenue | 2,422,700 | 12.2 | % | ||||
| Local general obligation | 469,855 | 2.4 | % | ||||
| State general obligation | 421,704 | 2.1 | % | ||||
| Pre-refunded | 390,126 | 2.0 | % | ||||
| Corporate backed | 261,559 | 1.3 | % | ||||
| Total state and municipal | 3,965,944 | 19.9 | % | ||||
| Mortgage-backed securities: | |||||||
| Agency | 859,043 | 4.3 | % | ||||
| Residential - Prime | 432,418 | 2.2 | % | ||||
| Commercial | 309,374 | 1.6 | % | ||||
| Residential - Alt A | 33,130 | 0.2 | % | ||||
| Total mortgage-backed securities | 1,633,965 | 8.3 | % | ||||
| Asset-backed securities | 2,790,630 | 14.1 | % | ||||
| Corporate: | |||||||
| Industrial | 2,329,173 | 11.7 | % | ||||
| Financial | 1,481,152 | 7.5 | % | ||||
| Utilities | 340,641 | 1.8 | % | ||||
| Other | 5,449 | — | % | ||||
| Total corporate | 4,156,415 | 20.9 | % | ||||
| Foreign government | 847,076 | 4.3 | % | ||||
| Total fixed maturity securities (1) | 14,180,961 | 71.4 | % | ||||
| Equity securities available for sale: | |||||||
| Preferred stocks | 313,815 | 1.6 | % | ||||
| Common stocks | 166,805 | 0.8 | % | ||||
| Total equity securities available for sale | 480,620 | 2.4 | % | ||||
| Real estate | 2,105,950 | 10.6 | % | ||||
| Cash and cash equivalents (2) | 1,383,995 | 7.0 | % | ||||
| Investment funds (3) | 1,212,642 | 6.1 | % | ||||
| Arbitrage trading account | 400,809 | 2.0 | % | ||||
| Loans receivable | 91,799 | 0.5 | % | ||||
| Net invested assets | $ | 19,856,776 | 100.0 | % | |||
| (1) | Total fixed maturity securities had an average rating of AA- and an average duration of 2.8 years, including cash and cash equivalents. | 
| (2) | Cash and cash equivalents includes trading accounts receivable from brokers and clearing organizations, trading account securities sold but not yet purchased and unsettled purchases. | 
| (3) | Investment funds are net of related liabilities of $0.9 million. | 
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