April 9, 2026

Arch Insurance UK Regional Division Appoints Head of Casualty

Mark McGrady to lead underwriting strategy, product development and distribution

London, 9 April 2026 – Arch Insurance UK Regional Division today announced the promotion of Mark McGrady to Head of Casualty – UK Regional Division, effective immediately.

In this role, he is responsible for leading the expansion of Arch’s casualty portfolio across its UK regional network, leading the underwriting strategy, product development and distribution of its casualty solutions. Based in Glasgow, he reports to Stuart Danskin, Director of Underwriting, UK Regional Division.

McGrady brings almost 20 years of insurance market experience to the role. He joined Arch in 2022 and was most recently Liability Underwriting Manager – UK Regions. Prior to this, he held commercial underwriting roles at Chapman and Stacey Limited, LV= and Aviva. 

Commenting on the announcement, Danskin said: “Mark’s promotion is testament to his proven leadership skills and strong technical expertise that have established him as a highly respected figure in the market. His appointment reflects our continued commitment to underwriting complex casualty business and he will drive the growth of our product-led liability portfolio, strengthening our presence by delivering innovative, customer-focused solutions.”

TAG WORDS 

Arch Insurance UK Regional Division, casualty, product liability, appointment, Mark McGrady, Stuart Danskin, Glasgow

EDITOR’S NOTES 

About Arch Insurance (UK) Limited 

Arch Insurance (UK) Limited is part of Arch Insurance International and provides specialised commercial property, casualty, motor, professional liability, personal accident and travel insurance solutions through its extended office network across the UK. 

Arch Insurance (UK) Limited is authorised and regulated by the Prudential Regulation Authority and regulated by the Financial Conduct Authority. 

About Arch Insurance International 

Arch Insurance International consists of Arch’s insurance operations in the United Kingdom, Lloyd’s, Europe, Bermuda and Australia.  

About Arch Capital Group Ltd. 

Arch Capital Group Ltd. (Nasdaq: ACGL) is a publicly listed Bermuda exempted company with approximately $26.9 billion in capital at December 31, 2025. Arch, which is part of the S&P 500 Index, 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 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 the effect of contagious diseases on our business; the impact of acts of terrorism and acts of war; changes in regulations and/or tax laws in the United States or elsewhere; statutory or regulatory developments, including as to tax matters and insurance and other regulatory matters; 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 our gross and net exposures; the failure of others to meet their obligations to the Company; an incident, disruption in operations or other cyber event caused by cyber attacks, the use of artificial intelligence technologies or other technology on the Company’s systems or those of the Company’s business partners and service providers, which could negatively impact the Company’s business and/or expose the Company to litigation; and the other matters set forth under ITEM 1A “Risk Factors”, Item 7 “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and other sections of our 2025 10-K, as well as the other factors set forth in our other documents on file with the SEC, and management’s response to any of the aforementioned factors.

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’s forward-looking statements speak only as of the date of this press release or as of the date they are made, and 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.

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Source: Arch Insurance (UK) Limited 

Media Contacts 

Patrick Palmer   

Head of Marketing and Communications, Arch Insurance International  

M +44 7900 743664 

Nigel Allen or Suzanne Hirst  

PR agency – Allen & Clapham  

M +44 7988 478824 / M +44 7988 140357 

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