ARCH CAPITAL GROUP LTD. — Director's Dealing 2018

May 11, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: ARCH CAPITAL GROUP LTD. (ACGL)
CIK: 0000947484
Period of Report: 2018-05-09

Reporting Person: IORDANOU CONSTANTINE (Director, Chairman)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-05-09	Common Shares, $.0033 par value per share	A	7917	—	Acquired	154995	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-05-09	Stock Option (right to buy)	$79.38	A	7917	Acquired	2028-05-09	Common Shares, $.0033 par value per share (7917)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Shares, $.0033 par value per share	201676	Indirect
Common Shares, $.0033 par value per share	3297	Indirect
Depositary Shares	7000	Direct
Depositary Shares	3000	Indirect

Footnotes

F1: Subject to the terms of the restricted share agreement, represents restricted shares that will vest in two equal annual installments on May 9, 2019 and May 9, 2020 respectively.

F2: The stock option will become exercisable in two equal annual installments, with the first installment becoming exercisable on May 9, 2019 and the second installment on May 9, 2020, subject to the applicable award agreement.

F3: Each Depositary Share Represents 1/1,000th interest in a Series F Non-Cumulative Preferred Share.