Exhibit

We hereby consent to the incorporation by reference in the Registration Statements on Form S-3 (Registration No. 333-221344, Registration No. 333-221344-01, and Registration No. 333-221344-02) and Form S-8 (Registration No. 333-99974, Registration No. 333-86145, Registration No. 333-82772, Registration No. 333-211193, Registration No. 333-72182, Registration No. 333-98971, Registration No. 333-124422, Registration No. 333-142835, Registration No. 333-181308 and Registration No. 333-203993) of Arch Capital Group Ltd. and its subsidiaries of our report dated February 28, 2018 relating to the financial statements, financial statement schedules and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.