Explanation of Responses:
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(1)
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On June 2, 2017, the issuer completed the spin-off of SEACOR Marine Holdings Inc. (the "SMHI Spin-Off"), in which the issuer distributed all shares of SMHI to the issuer's stockholders. The completion of the SMHI Spin-off resulted in an adjustment to the exercise price of these options from $71.62 to $46.21. On December 20, 2017, the issuer paid a dividend to its stockholders consisting of a portion of the issuer's shares of Dorian LPG Ltd., which resulted in a further adjustment to the exercise price of these options from $46.21 to $44.46.
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(2)
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On June 2, 2017, in connection with the SMHI Spin-Off, these options were adjusted, resulting in the reporting person's ownership of 52 additional stock options.
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(3)
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This option became exercisable in five equal annual installments beginning on March 4, 2011 and ending on March 4, 2015.
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(4)
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On June 2, 2017, the issuer completed the SMHI Spin-Off, in which the issuer distributed all shares of SMHI to the issuer's stockholders. The completion of the SMHI Spin-off resulted in an adjustment to the exercise price of these options from $72.45 to $46.74. On December 20, 2017, the issuer paid a dividend to its stockholders consisting of a portion of the issuer's shares of Dorian LPG Ltd., which resulted in a further adjustment to the exercise price of these options from $46.74 to $44.99.
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(5)
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On June 2, 2017, in connection with the SMHI Spin-Off, these options were adjusted, resulting in the reporting person's ownership of 212 additional stock options.
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(6)
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This option became exercisable in five equal annual installments beginning on March 4, 2012 and ending on March 4, 2016.
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(7)
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On June 2, 2017, the issuer completed the SMHI Spin-Off, in which the issuer distributed all shares of SMHI to the issuer's stockholders. The completion of the SMHI Spin-off resulted in an adjustment to the exercise price of these options from $72.43 to $46.73. On December 20, 2017, the issuer paid a dividend to its stockholders consisting of a portion of the issuer's shares of Dorian LPG Ltd., which resulted in a further adjustment to the exercise price of these options from $46.73 to $44.98.
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(8)
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On June 2, 2017, in connection with the SMHI Spin-Off, these options were adjusted, resulting in the reporting person's ownership of 319 additional stock options.
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(9)
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This option became exercisable in five equal annual installments beginning on March 4, 2013 and ending on March 4, 2017.
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(10)
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On June 2, 2017, the issuer completed the SMHI Spin-Off, in which the issuer distributed all shares of SMHI to the issuer's stockholders. The completion of the SMHI Spin-off resulted in an adjustment to the exercise price of these options from $62.43 to $40.28. On December 20, 2017, the issuer paid a dividend to its stockholders consisting of a portion of the issuer's shares of Dorian LPG Ltd., which resulted in a further adjustment to the exercise price of these options from $40.28 to $38.53.
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(11)
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On June 2, 2017, the issuer completed the SMHI Spin-Off, in which the issuer distributed all shares of SMHI to the issuer's stockholders. The completion of the SMHI Spin-off resulted in an adjustment to the exercise price of these options from $63.71 to $41.11. On December 20, 2017, the issuer paid a dividend to its stockholders consisting of a portion of the issuer's shares of Dorian LPG Ltd., which resulted in a further adjustment to the exercise price of these options from $41.11 to $39.36.
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(12)
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On June 2, 2017, the issuer completed the SMHI Spin-Off, in which the issuer distributed all shares of SMHI to the issuer's stockholders. The completion of the SMHI Spin-off resulted in an adjustment to the exercise price of these options from $66.62 to $42.98. On December 20, 2017, the issuer paid a dividend to its stockholders consisting of a portion of the issuer's shares of Dorian LPG Ltd., which resulted in a further adjustment to the exercise price of these options from $42.98 to $41.23.
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(13)
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On June 2, 2017, the issuer completed the SMHI Spin-Off, in which the issuer distributed all shares of SMHI to the issuer's stockholders. The completion of the SMHI Spin-off resulted in an adjustment to the exercise price of these options from $68.17 to $43.98. On December 20, 2017, the issuer paid a dividend to its stockholders consisting of a portion of the issuer's shares of Dorian LPG Ltd., which resulted in a further adjustment to the exercise price of these options from $43.98 to $42.23.
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(14)
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On June 2, 2017, in connection with the SMHI Spin-Off, these options were adjusted, resulting in the reporting person's ownership of 440 additional stock options.
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(15)
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This option became exercisable in five equal annual installments beginning on March 4, 2014 and ending on March 4, 2018.
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(16)
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On June 2, 2017, the issuer completed the SMHI Spin-Off, in which the issuer distributed all shares of SMHI to the issuer's stockholders. The completion of the SMHI Spin-off resulted in an adjustment to the exercise price of these options from $72.9 to $47.03. On December 20, 2017, the issuer paid a dividend to its stockholders consisting of a portion of the issuer's shares of Dorian LPG Ltd., which resulted in a further adjustment to the exercise price of these options from $47.03 to $45.28.
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(17)
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On June 2, 2017, in connection with the SMHI Spin-Off, these options were adjusted, resulting in the reporting person's ownership of 605 additional stock options.
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(18)
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This option is exercisable in five equal annual installments beginning on March 4, 2015 and ending on March 4, 2019.
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(19)
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On June 2, 2017, the issuer completed the SMHI Spin-Off, in which the issuer distributed all shares of SMHI to the issuer's stockholders. The completion of the SMHI Spin-off resulted in an adjustment to the exercise price of these options from $72.25 to $46.62. On December 20, 2017, the issuer paid a dividend to its stockholders consisting of a portion of the issuer's shares of Dorian LPG Ltd., which resulted in a further adjustment to the exercise price of these options from $46.62 to $44.87.
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(20)
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On June 2, 2017, in connection with the SMHI Spin-Off, these options were adjusted, resulting in the reporting person's ownership of 618 additional stock options.
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(21)
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This option is exercisable in five equal annual installments beginning on March 4, 2016 and ending on March 4, 2020.
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(22)
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On June 2, 2017, the issuer completed the SMHI Spin-Off, in which the issuer distributed all shares of SMHI to the issuer's stockholders. The completion of the SMHI Spin-off resulted in an adjustment to the exercise price of these options from $69.73 to $44.99. On December 20, 2017, the issuer paid a dividend to its stockholders consisting of a portion of the issuer's shares of Dorian LPG Ltd., which resulted in a further adjustment to the exercise price of these options from $44.99 to $43.24.
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(23)
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On June 2, 2017, the issuer completed the SMHI Spin-Off, in which the issuer distributed all shares of SMHI to the issuer's stockholders. The completion of the SMHI Spin-off resulted in an adjustment to the exercise price of these options from $62.49 to $40.32. On December 20, 2017, the issuer paid a dividend to its stockholders consisting of a portion of the issuer's shares of Dorian LPG Ltd., which resulted in a further adjustment to the exercise price of these options from $40.32 to $38.57.
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(24)
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On June 2, 2017, the issuer completed the SMHI Spin-Off, in which the issuer distributed all shares of SMHI to the issuer's stockholders. The completion of the SMHI Spin-off resulted in an adjustment to the exercise price of these options from $55.63 to $35.89. On December 20, 2017, the issuer paid a dividend to its stockholders consisting of a portion of the issuer's shares of Dorian LPG Ltd., which resulted in a further adjustment to the exercise price of these options from $35.89 to $34.14.
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(25)
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On June 2, 2017, the issuer completed the SMHI Spin-Off, in which the issuer distributed all shares of SMHI to the issuer's stockholders. The completion of the SMHI Spin-off resulted in an adjustment to the exercise price of these options from $50.83 to $32.80. On December 20, 2017, the issuer paid a dividend to its stockholders consisting of a portion of the issuer's shares of Dorian LPG Ltd., which resulted in a further adjustment to the exercise price of these options from $32.80 to $31.05.
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(26)
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On June 2, 2017, in connection with the SMHI Spin-Off, these options were adjusted, resulting in the reporting person's ownership of 825 additional stock options.
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(27)
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This option is exercisable in five equal annual installments beginning on March 4, 2017 and ending on March 4, 2021.
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(28)
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On June 2, 2017, the issuer completed the SMHI Spin-Off, in which the issuer distributed all shares of SMHI to the issuer's stockholders. The completion of the SMHI Spin-off resulted in an adjustment to the exercise price of these options from $57.11 to $36.85. On December 20, 2017, the issuer paid a dividend to its stockholders consisting of a portion of the issuer's shares of Dorian LPG Ltd., which resulted in a further adjustment to the exercise price of these options from $36.85 to $35.10.
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(29)
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On June 2, 2017, the issuer completed the SMHI Spin-Off, in which the issuer distributed all shares of SMHI to the issuer's stockholders. The completion of the SMHI Spin-off resulted in an adjustment to the exercise price of these options from $58.88 to $37.99. On December 20, 2017, the issuer paid a dividend to its stockholders consisting of a portion of the issuer's shares of Dorian LPG Ltd., which resulted in a further adjustment to the exercise price of these options from $37.99 to $36.24.
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(30)
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On June 2, 2017, the issuer completed the SMHI Spin-Off, in which the issuer distributed all shares of SMHI to the issuer's stockholders. The completion of the SMHI Spin-off resulted in an adjustment to the exercise price of these options from $63.44 to $40.93. On December 20, 2017, the issuer paid a dividend to its stockholders consisting of a portion of the issuer's shares of Dorian LPG Ltd., which resulted in a further adjustment to the exercise price of these options from $40.93 to $39.18.
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(31)
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On June 2, 2017, the issuer completed the SMHI Spin-Off, in which the issuer distributed all shares of SMHI to the issuer's stockholders. The completion of the SMHI Spin-off resulted in an adjustment to the exercise price of these options from $64.66 to $41.72. On December 20, 2017, the issuer paid a dividend to its stockholders consisting of a portion of the issuer's shares of Dorian LPG Ltd., which resulted in a further adjustment to the exercise price of these options from $41.72 to $39.97.
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(32)
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On June 2, 2017, in connection with the SMHI Spin-Off, these options were adjusted, resulting in the reporting person's ownership of 1100 additional stock options.
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(33)
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This option is exercisable in five equal annual installments beginning on March 4, 2018 and ending on March 4, 2022.
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(34)
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On December 20, 2017, the issuer paid a dividend to its stockholders consisting of a portion of the issuer's shares of Dorian LPG Ltd., which resulted in an adjustment to the exercise price of these options from $37.43 to $35.68.
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(35)
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On December 20, 2017, the issuer paid a dividend to its stockholders consisting of a portion of the issuer's shares of Dorian LPG Ltd., which resulted in an adjustment to the exercise price of these options from $39.38 to $37.63.
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(36)
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On December 20, 2017, the issuer paid a dividend to its stockholders consisting of a portion of the issuer's shares of Dorian LPG Ltd., which resulted in an adjustment to the exercise price of these options from $48.85 to $47.10.
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