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We are aware that our report dated November 5, 2020, 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 Form S-8 (Nos. 333-211193,333-142835, 333-181308, 333-203993 and 333-224783) of Arch Capital Group Ltd.