July 2, 2021

Arch Capital Group Ltd. Closes Acquisition of Watford Holdings Ltd.

Kelso & Company and Warburg Pincus Are Investment Partners in the Transaction.

PEMBROKE, Bermuda–(BUSINESS WIRE)–Arch Capital Group Ltd. (“Arch”)[NASDAQ: ACGL], along with investment partners Kelso & Company (Kelso) and Warburg Pincus, today announced the completion of the previously disclosed acquisition of Watford Holdings Ltd. (Watford). Watford and Arch originally announced the signing of a definitive merger agreement on Nov. 2, 2020, through an affiliated entity of which Arch owns approximately 40%, and funds managed by Kelso and Warburg Pincus each own approximately 30%.

“We are excited to complete this transaction, which will now allow our partners and Arch to move forward with the next chapter for Watford,” said Maamoun Rajeh, Chairman and CEO of Arch Worldwide Reinsurance Group. “We believe that the market conditions are ideal for us to develop the franchise and execute a strategy for Watford’s long-term success. I want to thank the teams on all sides for their dedication to successfully completing this transaction.”

About Arch Capital Group Ltd.

Arch Capital Group Ltd., a publicly listed Bermuda exempted company with approximately $15.8 billion in capital at March 31, 2021, provides insurance, reinsurance and mortgage insurance on a worldwide basis through its wholly owned subsidiaries.

Cautionary Note Regarding Forward-looking Statements

The Private Securities Litigation Reform Act of 1995 provides a “safe harbor” for forward−looking statements. This release or any other written or oral statements made by or on behalf of Arch Capital Group Ltd. and its subsidiaries may include forward−looking statements, which reflect our current views with respect to future events and financial performance. All statements other than statements of historical fact included in or incorporated by reference in this release are forward−looking statements.

Forward−looking statements can generally be identified by the use of forward−looking terminology such as “may,” “will,” “expect,” “intend,” “estimate,” “anticipate,” “believe” or “continue” or their negative or variations or similar terminology. Forward−looking statements involve our current assessment of risks and uncertainties. Actual events and results may differ materially from those expressed or implied in these statements. A non-exclusive list of the important factors that could cause actual results to differ materially from those in such forward-looking statements includes the following: adverse general economic and market conditions; increased competition; pricing and policy term trends; fluctuations in the actions of rating agencies and the Company’s ability to maintain and improve its ratings; investment performance; the loss of key personnel; the adequacy of the Company’s loss reserves, severity and/or frequency of losses, greater than expected loss ratios and adverse development on claim and/or claim expense liabilities; greater frequency or severity of unpredictable natural and man-made catastrophic eventsincluding pandemics such as COVID-19; the impact of acts of terrorism and acts of war; changes in regulations and/or tax laws in the United States or elsewhere; the Company’s ability to successfully integrate, establish and maintain operating procedures as well as integrate the businesses the Company has acquired or may acquire into the existing operations; changes in accounting principles or policies; material differences between actual and expected assessments for guaranty funds and mandatory pooling arrangements; availability and cost to the Company of reinsurance to manage the Company’s gross and net exposures; the failure of others to meet their obligations to the Company; changes in the method for determining the London Inter-bank Offered Rate (“LIBOR”) and the potential replacement of LIBOR and other factors identified in the Company’s filings with the U.S. Securities and Exchange Commission (“SEC”).

The foregoing review of important factors should not be construed as exhaustive and should be read in conjunction with other cautionary statements that are included herein or elsewhere. All subsequent written and oral forward−looking statements attributable to us or persons acting on our behalf are expressly qualified in their entirety by these cautionary statements. The Company undertakes no obligation to publicly update or revise any forward−looking statement, whether as a result of new information, future events or otherwise.

Source: Arch Capital Group Ltd.

arch-corporate

Greg Hare, 336-333-0416

Arch Capital Services LLC

[email protected]

Source: Arch Capital Group Ltd.