2024 Arch Capital Group Overview

Arch Capital Group Ltd. Overview

3/4/2024

©2024 Arch Capital Group Ltd. All rights reserved.

Informational 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 the Company's 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 the Company's 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 events, including 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; 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 manage to our gross and net exposures; the failure of others to meet their obligations to the Company; a disruption caused by cyber-attacks or other technology breaches or failures on the Company or the Company's business partners and service providers, which could negatively impact the Company's business and/or expose the Company to litigation; and other factors identified in our 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 the Company's 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.

This presentation may contain non-GAAP financial measures as defined by Regulation G of the rules of the SEC. Arch Capital Group Ltd. (the "Company") believes these non- GAAP measures provide users of its financial information meaningful and useful insight in evaluating the performance of the Company. Investors should consider non-GAAP measures in addition to, and not as a substitute for, or superior to, the comparable GAAP measures. The reconciliation to GAAP and information about the specific non-GAAP measures used herein can be found within this presentation/video/document. Additional information about non-GAAP measures can also be found in the Current Report on Form 8-K furnished to the SEC by the Company in connection with its most recent earnings press release and the Company's website: www.archgroup.com. From time to time, the Company posts additional financial information and presentations to its website, including information with respect to its subsidiaries, and investors and other recipients of this information are encouraged to check the website.

A History of Growing Book Value Per Common Share

Annualized growth rate from Dec. 31, 2001, to Dec. 31, 2023. Excludes the effects of stock options, restricted and performance stock units outstanding.

The DNA of a Specialty Insurance Powerhouse

Arch's playbook delivers superior results with lower volatility. Our operating principles are:

Diversified Model Across Three Platforms

2023 Total Net Premiums Written (NPW) by Segment

Property and Casualty Net Premiums Written (NPW) Growth By Line

Global Mortgage Group Net Premiums Written (NPW) and Risk In Force

Investments

A Growing Portfolio Driven by Net Investment and Equity Method Income