Diamond Offshore Drilling, Inc. (NYSE:DO) Q2 2019 Earnings Conference Call August 5, 2019 9:00 AM ET Company Participants Samir Ali - VP, IR & Corporate Development Marc Edwards - President, CEO & Director Scott Kornblau - SVP & CFO Ronald Woll - EVP & Chief Commercial Officer Conference Call Participants Coleman Sullivan - Wells Fargo Securities Chase Mulvehill - Bank of America Merrill Lynch Sean Meakim - JPMorgan Chase & Co. Ian MacPherson - Simmons & Company International Kurt Hallead - RBC Capital Mark ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended June 30, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-13926 DIAMOND OFFSHORE DRILLING, INC. (Exact name of registrant as specified in its charter) TitleofeachclassTradingSymbol Common S ...

Diamond Offshore Drilling (NYSE:DO) Q 2018 Earnings Conference Call April 29, 2019 9:00 AM ET Company Participants Marc Edwards - President, Chief Executive Officer Ron Woll - Executive Vice President, Chief Commercial Officer Scott Kornblau - Senior Vice President, Chief Financial Officer Samir Ali - Vice President, Investor Relations and Corporate Development Conference Call Participants Jud Bailey - Wells Fargo Sasha Sanwal - UBS Securities James West - Evercore ISI Kurt Hallead - RBC Capital Markets Ian ...

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 10-Q (Mark One) ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the quarterly period ended March 31, 2019 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-13926 DIAMOND OFFSHORE DRILLING, INC. (Exact name of registrant as specified in its charter) Delaware 76-0321760 (State or other j ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2018 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission file number 1-13926 DIAMOND OFFSHORE DRILLING, INC. (Exact name of registrant as specified in its charter) Delaware 76-0321760 (State or other ...

Diamond Offshore Drilling Inc. (NYSE:DO) Q4 2018 Earnings Conference Call February 11, 2019 9:00 AM ET Company Participants Samir Ali - Vice President, Investor Relations and Corporate Development Marc Edwards - President and Chief Executive Officer Ron Woll - Senior Vice President and Chief Commercial Officer Scott Kornblau - Senior Vice President and Chief Financial Officer Conference Call Participants Kurt Hallead - RBC Capital Markets Sasha Sanwal - UBS James West - Evercore ISI Ian Macpherson - Simmons ...