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Explanation of Responses:
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(1)
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Shares of common stock of the corporation known as Aravive Biologics, Inc. ("Aravive") were converted into shares of the Issuer pursuant to that certain Agreement and Plan of Merger and Reorganization, dated as of June 3, 2018, by and among the Issuer, Velo Merger Sub, Inc. and Aravive (the "Merger Agreement"). Pursuant to the terms of the Merger Agreement, each share of Aravive common stock was exchanged for 2.2801 shares of the Issuer's common stock, subject to adjustment for any reverse stock split. Following the merger, the Issuer effected a reverse stock split at a ratio of one new share for every six shares of Issuer common stock outstanding and the Issuer changed its name to Aravive, Inc. All share and option numbers reflect the reverse stock split.
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(2)
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On April 26, 2011, Reporting Person was granted an option to purchase 21,199 shares of the common stock of Aravive at an exercise price of $0.02 per share. Pursuant to the Merger Agreement, this option was converted into an option to purchase 8,055 shares of Issuer common stock (as adjusted for the stock split) at a per share exercise price of $0.06 per share (as adjusted for the stock split). The option is fully vested with respect to all of the underlying shares and exercisable as of the effective date of the merger.
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(3)
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On April 26, 2011, Reporting Person was granted an option to purchase 10,600 shares of the common stock of Aravive at an exercise price of $0.02 per share. Pursuant to the Merger Agreement, this option was converted into an option to purchase 4,028 shares of Issuer common stock (as adjusted for the stock split) at a per share exercise price of $0.06 per share (as adjusted for the stock split). The option is fully vested with respect to all of the underlying shares and exercisable as of the effective date of the merger.
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(4)
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On November 14, 2012, Reporting Person was granted an option to purchase 32,500 shares of the common stock of Aravive at an exercise price of $0.02 per share. Pursuant to the Merger Agreement, this option was converted into an option to purchase 12,350 shares of Issuer common stock (as adjusted for the stock split) at a per share exercise price of $0.06 per share (as adjusted for the stock split). The option is fully vested with respect to all of the underlying shares and exercisable as of the effective date of the merger.
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(5)
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On October 1, 2014, Reporting Person was granted an option to purchase 102,000 shares of the common stock of Aravive at an exercise price of $0.09 per share. Pursuant to the Merger Agreement, this option was converted into an option to purchase 38,761 shares of Issuer common stock (as adjusted for the stock split) at a per share exercise price of $0.24 per share (as adjusted for the stock split). The option is fully vested with respect to all of the underlying shares and exercisable as of the effective date of the merger.
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(6)
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On December 31, 2014, Reporting Person was granted an option to purchase 24,000 shares of the common stock of Aravive at an exercise price of $0.09 per share. Pursuant to the Merger Agreement, this option was converted into an option to purchase 9,120 shares of Issuer common stock (as adjusted for the stock split) at a per share exercise price of $0.24 per share (as adjusted for the stock split). The option is fully vested with respect to all of the underlying shares and exercisable as of the effective date of the merger.
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(7)
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On March 31, 2015, Reporting Person was granted an option to purchase 24,000 shares of the common stock of Aravive at an exercise price of $0.09 per share. Pursuant to the Merger Agreement, this option was converted into an option to purchase 9,120 shares of Issuer common stock (as adjusted for the stock split) at a per share exercise price of $0.24 per share (as adjusted for the stock split). The option is fully vested with respect to all of the underlying shares and exercisable as of the effective date of the merger.
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(8)
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On June 30, 2015, Reporting Person was granted an option to purchase 24,000 shares of the common stock of Aravive at an exercise price of $0.09 per share. Pursuant to the Merger Agreement, this option was converted into an option to purchase 9,120 shares of Issuer common stock (as adjusted for the stock split) at a per share exercise price of $0.24 per share (as adjusted for the stock split). The option is fully vested with respect to all of the underlying shares and exercisable as of the effective date of the merger.
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(9)
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On July 1, 2015, Reporting Person was granted an option to purchase 70,559 shares of the common stock of Aravive at an exercise price of $0.09 per share. Pursuant to the Merger Agreement, this option was converted into an option to purchase 26,813 shares of Issuer common stock (as adjusted for the stock split) at a per share exercise price of $0.24 per share (as adjusted for the stock split). The option is fully vested with respect to all of the underlying shares and exercisable as of the effective date of the merger.
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(10)
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On September 30, 2015, Reporting Person was granted an option to purchase 24,000 shares of the common stock of Aravive at an exercise price of $0.09 per share. Pursuant to the Merger Agreement, this option was converted into an option to purchase 9,120 shares of Issuer common stock (as adjusted for the stock split) at a per share exercise price of $0.24 per share (as adjusted for the stock split). The option is fully vested with respect to all of the underlying shares and exercisable as of the effective date of the merger.
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(11)
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On December 31, 2015, Reporting Person was granted an option to purchase 24,000 shares of the common stock of Aravive at an exercise price of $0.09 per share. Pursuant to the Merger Agreement, this option was converted into an option to purchase 9,120 shares of Issuer common stock (as adjusted for the stock split) at a per share exercise price of $0.24 per share (as adjusted for the stock split). The option is fully vested with respect to all of the underlying shares and exercisable as of the effective date of the merger.
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(12)
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On March 31, 2016, Reporting Person was granted an option to purchase 24,000 shares of the common stock of Aravive at an exercise price of $0.09 per share. Pursuant to the Merger Agreement, this option was converted into an option to purchase 9,120 shares of Issuer common stock (as adjusted for the stock split) at a per share exercise price of $0.24 per share (as adjusted for the stock split). The option is fully vested with respect to all of the underlying shares and exercisable as of the effective date of the merger.
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(13)
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On June 15, 2017, Reporting Person was granted an option to purchase 100,000 shares of the common stock of Aravive at an exercise price of $0.23 per share. Pursuant to the Merger Agreement, this option was converted into an option to purchase 38,001 shares of Issuer common stock (as adjusted for the stock split) at a per share exercise price of $0.66 per share (as adjusted for the stock split). The option is fully vested with respect to all of the underlying shares and exercisable as of the effective date of the merger.
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(14)
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On December 14, 2017, Reporting Person was granted an option to purchase 50,000 shares of the common stock of Aravive at an exercise price of $0.34 per share. Pursuant to the Merger Agreement, this option was converted into an option to purchase 19,000 shares of Issuer common stock (as adjusted for the stock split) at a per share exercise price of $0.90 per share (as adjusted for the stock split). The option is fully vested with respect to all of the underlying shares and exercisable as of the effective date of the merger.
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(15)
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On March 20, 2018, Reporting Person was granted an option to purchase 50,000 shares of the common stock of Aravive at an exercise price of $0.34 per share. Pursuant to the Merger Agreement, this option was converted into an option to purchase 19,000 shares of Issuer common stock (as adjusted for the stock split) at a per share exercise price of $0.90 per share (as adjusted for the stock split). The option is fully vested with respect to all of the underlying shares and exercisable as of the effective date of the merger.
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