FOR IMMEDIATE RELEASE     CONTACT:    Karen A. Horvath

Vice President - External

Financial Communications

(203) 629-3000

Greenwich, CT, April 20, 2023 - W. R. Berkley Corporation (NYSE: WRB) today reported its first quarter 2023 results.

(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 and operating return on equity represent net income and operating income, respectively, expressed on an annualized basis as a percentage of beginning of year common stockholders’ equity.

First quarter highlights included:

•Return on equity of 17.4%.

•Book value per share grew 7.2% prior to dividends and share repurchases.

•Net investment income grew 28.8% to $223.4 million.

•Average rate increases excluding workers' compensation were approximately 8.3%.

•Pre-tax underwriting income of $234.4 million.

•The current accident year combined ratio before catastrophe losses of 1.9 loss ratio points was 87.7%.

•The reported combined ratio was 90.6%, including current accident year catastrophe losses of $47.9 million and prior year development principally from property catastrophe losses of approximately $24 million.

•Total capital returned to shareholders was $293.8 million, consisting of $132.3 million of special dividends, $26.3 million of regular dividends and $135.2 million of share repurchases.

The Company commented:

The Company reported strong results for the first quarter of 2023, with continued strong underwriting performance and significant growth in investment income. The annualized return on equity was 17.4% and growth in book value per share, prior to dividends and share repurchases, was 7.2%.

The business continued to grow in areas that we anticipate will meet or exceed our targeted risk-adjusted return. While there is greater evidence that market segments and lines of business are not all moving in lock-step, our structure and discipline enable us to execute on and manage each of these cycles to optimize profitability, even as we maintain a prudent view of loss trends. We continue to carefully evaluate the available opportunities to deploy capital as we selectively expand our business.

Net investment income grew almost 29% during the quarter as an increasingly greater portion of the fixed-maturity portfolio was (re)invested at higher interest rates. We maintained the short duration and high quality of our fixed-maturity portfolio, given the inverted yield curve and market volatility.

The Company continues to focus on risk-adjusted return in all aspects of its business. Over time, this discipline has allowed us to navigate risks and embrace opportunities to deliver superior results for our shareholders. We remain encouraged about the opportunities that we see in 2023 and beyond.

Webcast Conference Call

    The Company will hold its quarterly conference call with analysts and investors to discuss its earnings and other information on April 20, 2023, at 5:00 p.m. eastern time. The conference call will be webcast live on the Company's website at https://ir.berkley.com/events-and-presentations/default.aspx. Please log on at least ten minutes early to register and download and install any necessary software. A replay of the webcast will be available on the Company's website approximately two hours after the end of the conference call. Additional financial information can be found on the Company's website at https://ir.berkley.com/investor-relations/financial-information/quarterly-results/default.aspx.

About W. R. Berkley Corporation

    Founded in 1967, W. R. Berkley Corporation is an insurance holding company that is among the largest commercial lines writers in the United States and operates worldwide in two segments of the property casualty business: Insurance and Reinsurance & Monoline Excess.

Forward Looking Information

This is a “Safe Harbor” Statement under the Private Securities Litigation Reform Act of 1995. Any forward-looking statements contained herein, including statements related to our outlook for the industry and for our performance for the year 2023 and beyond, are based upon the Company’s historical performance and on current plans, estimates and expectations. The inclusion of this forward-looking information should not be regarded as a representation by us or any other person that the future plans, estimates or expectations contemplated by us will be achieved. They are subject to various risks and uncertainties, including but not limited to: the cyclical nature of the property casualty industry; the impact of significant competition, including new entrants to the industry; the long-tail and potentially volatile nature of the insurance and reinsurance business; product demand and pricing; claims development and the process of estimating reserves; investment risks, including those of our portfolio of fixed maturity securities and investments in equity securities, including investments in financial institutions, municipal bonds, mortgage-backed securities, loans receivable, investment funds, including real estate, merger arbitrage, energy related and private equity investments; the effects of emerging claim and coverage issues; the uncertain nature of damage theories and loss amounts, including claims for cybersecurity-related risks; natural and man-made catastrophic losses, including as a result of terrorist activities; the ongoing COVID-19 pandemic; the impact of climate change, which may alter the frequency and increase the severity of catastrophe events; general economic and market activities, including inflation, interest rates, and volatility in the credit and capital markets; the impact of the conditions in the financial markets and the global economy, and the potential effect of legislative, regulatory, accounting or other initiatives taken in response, on our results and financial condition; foreign currency and political risks (including those associated with the United Kingdom's withdrawal from the European Union, or "Brexit") relating to our international operations; our ability to attract and retain key personnel and qualified employees; continued availability of capital and financing; the success of our new ventures or acquisitions and the availability of other opportunities; the availability of reinsurance; our retention under the Terrorism Risk Insurance Program Reauthorization Act of 2019; the ability or willingness of our reinsurers to pay reinsurance recoverables owed to us; other legislative and regulatory developments, including those related to business practices in the insurance industry; credit risk related to our policyholders, independent agents and brokers; changes in the ratings assigned to us or our insurance company subsidiaries by rating agencies; the availability of dividends from our insurance company subsidiaries; potential difficulties with technology and/or cyber security issues; the effectiveness of our controls to ensure compliance with guidelines, policies and legal and regulatory standards; and other risks detailed from time to time in the Company’s filings with the Securities and Exchange Commission. These risks and uncertainties could cause our actual results for the year 2023 and beyond to differ materially from those expressed in any forward-looking statement we make. Any projections of growth in our revenues would not necessarily result in commensurate levels of earnings. Forward-looking statements speak only as of the date on which they are made, and the Company undertakes no obligation to update publicly or revise any forward-looking statement, whether as a result of new information, future developments or otherwise.

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(1)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.

(Amounts in thousands, except ratios) (1)

(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.

(Amounts in thousands)

(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.

(3)Operating income is a non-GAAP financial measure defined by the Company as net income excluding after-tax net investment gains. Net investment gains are computed net of related expenses, including performance-based compensatory costs associated with realized investment gains. Management believes this measurement provides a useful indicator of trends in the Company’s underlying operations.

(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 March 31, 2023, reflected in common stockholders' equity are after-tax unrealized investment losses of $712 million and unrealized currency translation losses of $367 million. As of December 31, 2022, after-tax unrealized investment losses were $893 million and unrealized currency translation losses were $372 million.

(3)During the three months ended March 31, 2023, the Company repurchased 2,038,391 shares of its common stock for $135.2 million. The number of shares of common stock outstanding excludes shares held in a grantor trust.

(4)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.

(Amounts in thousands, except percentages)

(1)Total fixed maturity securities had an average rating of AA- and an average duration of 2.4 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 $0.8 million.