ARCH CAPITAL GROUP LTD. — Director's Dealing 2017

May 10, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ARCH CAPITAL GROUP LTD. (ACGL)
CIK: 0000947484
Period of Report: 2017-05-08

Reporting Person: Vollaro John D (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-05-08	Common Shares, $.0033 par value per share	S	2033	$97.3155	Disposed	128016	Indirect

Footnotes

F1: Such common shares are held by a revocable trust for which the reporting person serves as trustee.

F2: Represents a weighted average sales price; the sales prices range from $97.25 to $97.54. Upon request, the full sale information regarding the number of shares sold at each price increment will be provided to the Commission or to the security holder of the issuer.

F3: A portion of the proceeds will be used to satisfy federal and state income tax obligations.