ARCH CAPITAL GROUP LTD. — Director's Dealing 2018

May 9, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ARCH CAPITAL GROUP LTD. (ACGL)
CIK: 0000947484
Period of Report: 2018-05-07

Reporting Person: Vollaro John D (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-05-07	Common Shares, $.0033 par value per share	M	36000	$23.10	Acquired	36000	Direct
2018-05-07	Common Shares, $.0033 par value per share	F	10510	$79.13	Disposed	25490	Direct
2018-05-07	Common Shares, $.0033 par value per share	G	25490	—	Disposed	0	Direct
2018-05-07	Common Shares, $.0033 par value per share	G	25490	—	Acquired	143506	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-05-07	Share Appreciation Right	$23.10	M	36000	Disposed	2018-05-09	Common Shares, $.0033 par value per share (36000)	Direct

Footnotes

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

F2: In connection with the exercise of a share appreciation right as described in Table II, 10,510 shares were disposed of in satisfaction of the exercise price; 25,490 net shares were issued.

F3: The share appreciation right became exercisable in three equal installments, with the first installment exercisable on May 9, 2009 and the second and third installments exercisable on May 9, 2010 and May 9, 2011, subject to the applicable award agreement.

F4: On May 7, 2018, the reporting person contributed such shares to a revocable trust for which he serves as trustee.