Officer of Diamond Offshore Drilling, Inc. notified the company of his intention to resign from the company in order to accept a job as chief financial officer at another company. Mr. Youngblood's resignation will become effective on December 1, 2017. On November 20, 2017, the company appointed Scott L. Kornblau, Vice President and Treasurer, to serve as the company's acting chief financial officer following such resignation until a permanent chief financial officer are appointed.

Mr. Kornblau was appointed Treasurer in 2007 and became Vice President and Treasurer in January 2017. Mr. Kornblau joined the Company in 1997 as Senior Accountant and has served in numerous finance and accounting positions.