In addition to the vessels, DryShips' Board of Directors will classify the company's remaining fleet, consisting of 20 panamax and 2 supramax bulk carriers, as held for sale. This is expected to lead to an additional impairment charge of approximately $422 million in Q3 2015, making for a total impairment charge of $795 million. The NASDAQ-listed company's stock (DRYS) fell more than 39% to $0.25 per share as of 3 p.m. EDT. DryShips still has a majority interest in Ocean Rig UDW Inc., an offshore deepwater drilling services company that owns and operates 13 ultra deepwater drilling units, comprised of 2 ultra deepwater semisubmersible drilling rigs and 11 ultra deepwater drillships, including 3 still under construction.