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: Hutchings W Preston (SVP & Chief Investment Officer)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2015-07-31	Common Shares, $.0033 par value per share	M	18000	$18.757	Acquired	186687	Indirect
2015-07-31	Common Share, $.0033 par value per share	F	4731	$71.36	Disposed	181956	Indirect
2015-07-31	Common Shares, $.0033 par value per share	S	3500	$71.74	Disposed	178456	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2015-07-31	Stock Option (right to buy)	$18.757	M	18000	Disposed	2016-02-23	Common Shares, $.0033 par value per share (18000)	Indirect

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Shares, $.0033 par value per share	36159	Direct
Common Shares, $.0033 par value per share	200	Indirect
Series C Non-Cumulative Preferred Shares (non-convertible)	4000	Indirect

Footnotes

F1: The shares are held by a company which is owned by a family trust; beneficiaries of the family trust are the reporting person, his spouse and their children.

F2: The stock option became exercisable in three equal annual installments, with the first installment becoming exercisable on February 23, 2007 and the next two installments on February 23, 2008 and February 23, 2009, subject to the applicable award agreement.

F3: The stock option was previously transferred by the reporting person to Inchon Ltd. Inchon Ltd is a company which is owned by a family trust; beneficiaries of the family trust are the reporting person, his spouse and their children.

F4: Represents a weighted average sale price; the sales prices range from $71.69 to 71.87. Upon request, the full sale information regarding the number of shares sold at each price increment will be provided to the Commission or to a security holder of the issuer.

F5: On July 31, 2015, Inchon Ltd. (see footnote 1) exercised 18,000 stock options and, under the net settlement provisions of the applicable stock option agreement, 4,731 common shares were withheld in payment of the exercise price.