Certain Series D Convertible Preferred Shares of Arch Capital Group Ltd. are subject to a Lock-Up Agreement Ending on 18-JAN-2018. These Series D Convertible Preferred Shares will be under lockup for 224 days starting from 8-JUN-2017 to 18-JAN-2018.

Details:
The selling shareholders, officers and directors have agreed that they will not directly or indirectly offer, pledge, sell, contract to sell, sell any option or contract to purchase, grant any option, right or warrant for the sale of, or otherwise dispose of or transfer any common shares or enter into any swap or any other agreement or any transaction that transfers, in whole or in part, directly or indirectly, the economic consequence of ownership of any common shares, whether any such swap or transaction is to be settled by delivery of common shares or other securities, in cash or otherwise, without the prior written consent of Barclays Capital Inc. and Wells Fargo Securities, LLC.

The selling stockholders and certain of their affiliates have agreed not to sell any Series D Convertible Preferred Shares held following this offering, or any Common Shares issuable upon conversion thereof, until January 18, 2018.