X0206 3 2017-12-01 0 0000949039 DIAMOND OFFSHORE DRILLING, INC. DO 0001724302 Kornblau Scott Lee 15415 KATY FREEWAY SUITE 100 HOUSTON TX 77094 0 1 0 0 Acting Chief Financial Officer Stock Appreciation Right 144.44 2008-04-02 2017-12-31 Common Stock 750 D Stock Appreciation Right 117.36 2009-04-01 2018-04-01 Common Stock 750 D Stock Appreciation Right 140.54 2009-04-01 2018-07-01 Common Stock 750 D Stock Appreciation Right 103.02 2009-04-01 2018-10-01 Common Stock 750 D Stock Appreciation Right 59.19 2009-04-01 2018-12-31 Common Stock 750 D Stock Appreciation Right 64.51 2010-04-01 2019-04-01 Common Stock 750 D Stock Appreciation Right 83.57 2010-04-01 2019-07-01 Common Stock 750 D Stock Appreciation Right 95.61 2010-04-01 2019-10-01 Common Stock 750 D Stock Appreciation Right 99.55 2010-04-01 2019-12-31 Common Stock 750 D Stock Appreciation Right 87.65 2011-04-01 2020-04-01 Common Stock 750 D Stock Appreciation Right 61.79 2011-04-01 2020-07-01 Common Stock 750 D Stock Appreciation Right 68.52 2011-04-01 2020-10-01 Common Stock 750 D Stock Appreciation Right 64.94 2011-04-01 2020-12-01 Common Stock 750 D Stock Appreciation Right 78.90 2012-04-01 2021-04-01 Common Stock 750 D Stock Appreciation Right 70.38 2012-04-01 2021-07-01 Common Stock 750 D Stock Appreciation Right 55.64 2012-04-01 2021-10-01 Common Stock 750 D Stock Appreciation Right 60.13 2012-04-01 2021-12-01 Common Stock 750 D Stock Appreciation Right 66.68 2013-04-02 2022-04-02 Common Stock 750 D Stock Appreciation Right 59.19 2013-04-02 2022-07-02 Common Stock 750 D Stock Appreciation Right 66.04 2013-04-02 2022-10-01 Common Stock 750 D Stock Appreciation Right 68.17 2013-04-02 2022-12-03 Common Stock 750 D Stock Appreciation Right 69.71 2014-04-01 2023-04-01 Common Stock 750 D Stock Appreciation Right 68.62 2014-04-01 2023-07-01 Common Stock 750 D Stock Appreciation Right 62.31 2014-04-01 2023-10-01 Common Stock 750 D Stock Appreciation Right 56.55 2014-04-01 2024-01-02 Common Stock 750 D Stock Appreciation Right 48.36 2015-04-01 2024-04-01 Common Stock 750 D Stock Appreciation Right 49.57 2015-04-01 2024-07-01 Common Stock 750 D Stock Appreciation Right 34.54 2015-04-01 2024-10-01 Common Stock 750 D Stock Appreciation Right 37.16 2015-04-01 2025-01-02 Common Stock 750 D The stock appreciation rights vest in four equal annual installments beginning on April 2, 2008. The stock appreciation rights vest in four equal annual installments beginning on April 1, 2009. The stock appreciation rights vest in four equal annual installments beginning on April 1, 2010. The stock appreciation rights vest in four equal annual installments beginning on April 1, 2011. The stock appreciation rights vest in four equal annual installments beginning on April 1, 2012. The stock appreciation rights vest in four equal annual installments beginning on April 2, 2013. The stock appreciation rights vest in four equal annual installments beginning on April 1, 2014. The stock appreciation rights vest in four equal annual installments beginning on April 1, 2015. Form 2 of 2 dated December 8, 2017 /s/ Aaron J. Scheffler Attorney-in-Fact for Scott L. Kornblau 2017-12-08