Nautilus Marine Services PLC announced that it amended the $4 million secured note agreement with Everest Hill Group Ltd. on 5 April 2019 to extend the maturity date from 30 April 2019 to 30 October 2019. The Amended Note Receivable continues to be subject to an interest charge of 8% per annum, is payable quarterly in arrears and is secured by a charge over Everest's and its affiliates' shareholdings in HKN Inc.