Arch Capital (ACGL) IRANNOTICEDisclosure regarding Iran Threat Reduction and Syria Human Rights Act

Pursuant to Section 219 of the Iran Threat Reduction and Syria Human Rights Act of 2012 and Section 13(r) of the Securities Exchange Act of 1934, as amended, notice is hereby provided that Arch Capital Group Ltd. has made disclosure pursuant to such provisions in its Annual Report on Form 10-K for the fiscal year ended December 31, 2019, which was filed with the U.S. Securities and Exchange Commission on February 28, 2020.