April 8, 2026

Arch Insurance Appoints New Cyber Heads for Europe and Iberia

Jose Carlos Jiménez Fernández and Rafael Ortiz Losada promoted to leadership roles

Dublin, 8 April 2026 – Arch Insurance today announced the promotions of Jose Carlos Jiménez Fernández as Head of Cyber for Europe, and Rafael Ortiz Losada as Head of Cyber for Iberia, at Arch Insurance (EU) dac (AIEU), effective immediately.

In his new role, Jiménez Fernández is responsible for leading the expansion of AIEU’s cyber portfolio. Based in Madrid, he leads the underwriting strategy, product development and distribution of AIEU’s cyber solutions across Continental Europe.

As Head of Cyber for Iberia, Ortiz Losada is responsible for growing Arch’s cyber portfolio across Spain and Portugal and is also based in Madrid. The portfolio spans primary and excess coverage for cyber, tech E&O and media E&O across a broad range of sectors.

Both Jiménez Fernández and Ortiz Losada are highly accomplished practitioners. Most recently Head of Cyber for Iberia, Jiménez Fernández joined Arch in 2023 and prior to this was a Cyber Manager for Southern Europe, the Middle East and Africa, and Latin America at Tokio Marine HCC. Ortiz Losada also joined Arch in 2023 as a Senior Cyber Underwriter, having previously been a Senior Cyber Underwriter at AIG.

Sergio Pierro remains as Head of Cyber for France, responsible for execution of the strategic development of the cyber portfolio in Northern Europe and will work closely with Jiménez Fernández.

Commenting on the announcement, Matthew Brophy, Chief Underwriting Officer of AIEU, said: “The promotions of Jose and Rafael into these leadership roles are thoroughly deserved. Both have consistently demonstrated exceptional technical expertise, strong leadership, and the ability to build successful broker relationships in the European cyber market. We see significant opportunities to expand Arch’s cyber portfolio across Continental Europe and Jose will spearhead our ambitions, working closely with Rafael and Sergio to drive growth across Iberia and Northern Europe and strengthen our proposition for our brokers and clients.”

TAG WORDS

Arch Insurance (EU) dac, AIEU, appointment, European Union, Madrid, Iberia, Jose Carlos Jiménez Fernández, Rafael Ortiz Losada, Sergio Pierro, Matthew Brophy

EDITOR’S NOTES

About Arch Insurance (EU) dac

Arch Insurance (EU) dac (AIEU) is part of Arch Insurance International and provides comprehensive insurance products including: Accident & Health, Cyber & Technology, Energy, Financial Institutions, Fine Art & Specie, Healthcare, Marine, Professional Liability, Property and Terrorism. AIEU is based in Dublin with branch offices in France, Italy, the Netherlands, Spain and the United Kingdom. AIEU is a wholly owned subsidiary of Arch Capital Group Ltd. and is authorised by the Central Bank of Ireland to write all classes of business (excluding Class 18).

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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