ARCH CAPITAL GROUP LTD. — Director's Dealing 2015

May 11, 2015

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ARCH CAPITAL GROUP LTD. (ACGL)
CIK: 0000947484
Period of Report: 2015-05-07

Reporting Person: PASQUESI JOHN M (Director, Vice Chairman)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2015-05-07	Common Shares, $.0033 par value per share	A	1601	—	Acquired	43354	Indirect
2015-05-07	Common Shares, $.0033 par value per share	A	1201	—	Acquired	1201	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Shares, $.0033 par value per share	509227	Indirect
Common Shares, $0033 par value per share	58751.8	Indirect
Common Shares, $.0033 par value per share	534112.2	Indirect
Common Shares, $.0033 par value per share	682804	Indirect

Footnotes

F1: The security holder is Otter Capital LLC, for which the reporting person serves as managing member. All indicated securities are included because of his affiliation with Otter Capital LLC.

F2: The common shares are held by a revocable trust. The reporting person and his spouse are the trustees and the beneficiaries. Amount includes 1,317 common shares that were previously reported as directly owned by the reporting person and were contributed to the trust on May 8, 2015.

F3: The shares were previously reported as owned indirectly by the reporting person's spouse. On March 11, 2015 the common shares were transferred to a revocable trust. The reporting person and his spouse are the trustees and the beneficiaries.

F4: Represents shares granted as part of the director-elected annual retainer for serving as a director of the issuer.

F5: Subject to the terms of the restricted share agreement represents restricted shares that will vest on May 1, 2016.