Exhibit

We are aware that our report dated November 9, 2018, on our review of interim financial information of Arch Capital Group Ltd., which appears in this Quarterly Report on Form 10-Q, is incorporated by reference in the Registration Statements on Form S-3 (Nos. 333-221344, 333-221344-01 and 333-221344-02) and in the Registration Statements on Forms S-8 (Nos. 033-99974, 333-86145, 333-82772, 333-211193, 333-72182, 333-98971, 333-124422, 333-142835, 333-181308, 333-203993 and 333-224783) of Arch Capital Group Ltd.