Explanation of Responses:
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(1)
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3,757 restricted stock units granted on March 23, 2017 pursuant to the Company's 2010 Stock Incentive Plan, vesting in four equal annual installments commencing on the first anniversary of the Date of Grant. The installments vest on March 23, 2018, March 23, 2019, March 23, 2020, and March 23, 2021.
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(2)
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7,394 restricted stock units granted on August 29, 2017 pursuant to the Company's 2010 Stock Incentive Plan, vesting in four equal annual installments commencing on the Date of Grant and the three subsequent anniversaries of the Date of Grant. The installments vest on August 29, 2017, August 29, 2018, August 29, 2019, and August 29, 2020.
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(3)
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3,649 restricted stock units granted on April 12, 2018 pursuant to the Company's 2010 Stock Incentive Plan, vesting in four equal annual installments commencing on the first anniversary of the Date of Grant. The installments vest on April 12, 2019, April 12, 2020, April 12, 2021, and April 12, 2022.
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(4)
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3,880 restricted stock units granted on March 13, 2019 pursuant to the Company's 2010 Stock Incentive Plan, vesting in four equal annual installments commencing on the first anniversary of the Date of Grant. The installments vest on March 13, 2020, March 13, 2021, March 13, 2022, and March 13, 2023.
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(5)
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17,341 stock options granted on March 23, 2017 pursuant to the Company's 2010 Stock Incentive Plan, vesting in four equal annual installments commencing on the first anniversary of the Date of Grant. The installments are exercisable on March 23, 2018, March 23, 2019, March 23, 2020, and March 23, 2021.
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(6)
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19,921 stock options granted on August 29, 2017 pursuant to the Company's 2010 Stock Incentive Plan, vesting in four equal annual installments commencing on the first anniversary of the Date of Grant. The installments are exercisable on August 29, 2018, August 29, 2019, August 29, 2020, and August 29, 2021.
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(7)
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15,748 stock options granted on April 12, 2018 pursuant to the Company's 2010 Stock Incentive Plan, vesting in four equal annual installments commencing on the first anniversary of the Date of Grant. The installments are exercisable on April 12, 2019, April 12, 2020, April 12, 2021, and April 12, 2022.
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(8)
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17,857 stock options granted on March 13, 2019 pursuant to the Company's 2010 Stock Incentive Plan, vesting in four equal annual installments commencing on the first anniversary of the Date of Grant. The installments are exercisable on March 13, 2020, March 13, 2021, March 13, 2022, and March 13, 2023.
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(9)
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Each Restricted Stock Unit represents the contingent right to receive one share of Class A Non-Voting Common Stock upon vesting of the unit.
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