ARCH CAPITAL GROUP LTD. — Director's Dealing 2015

Aug 4, 2015

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ARCH CAPITAL GROUP LTD. (ACGL)
CIK: 0000947484
Period of Report: 2015-07-31

Reporting Person: PETRILLO LOUIS T (Officer of Subsidiary)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2015-07-31	Common Shares, $.0033 par value per share	M	15750	$23.7067	Acquired	80358	Direct
2015-07-31	Common Shares, $.0033 par value per share	F	11103	$71.36	Disposed	69255	Direct
2015-07-31	Common Shares, $.0033 par value per share	S	5095	$71.649	Disposed	64160	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2015-07-31	Share Appreciation Right	$23.7067	M	15750	Disposed	2017-05-11	Common Shares, $.0033 per share (15750)	Direct

Footnotes

F1: The share appreciation right became exercisable in three equal annual installments; the first installment became exercisable on May 11, 2008 and the next two installments on May 11, 2009 and May 11, 2010, subject to the applicable award agreement.

F2: Represents a weighted sales price; the sales prices range from $71.40 to $71.91. 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.