#1 The price reported in Column 4 is a weighted average price per share. These shares of Common Stock were purchased in multiple transactions at prices ranging from $4.095-$4.225 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares of Common Stock purchased at each separate price within the ranges set forth in this footnote (1) to this Form 4.

#2 The price reported in Column 4 is a weighted average price per share. These shares of Common Stock were purchased in multiple transactions at prices ranging from $3.985-$4.135 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares of Common Stock purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4

#3 The price reported in Column 4 is a weighted average price per share. These shares of Common Stock were purchased in multiple transactions at prices ranging from $3.995-$4.00 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares of Common Stock purchased at each separate price within the ranges set forth in this footnote (3) to this Form 4.

#1 The price reported in Column 4 is a weighted average price per share. These shares of Common Stock were purchased in multiple transactions at prices ranging from $4.095-$4.225 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares of Common Stock purchased at each separate price within the ranges set forth in this footnote (1) to this Form 4.

#2 The price reported in Column 4 is a weighted average price per share. These shares of Common Stock were purchased in multiple transactions at prices ranging from $3.985-$4.135 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares of Common Stock purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4

#3 The price reported in Column 4 is a weighted average price per share. These shares of Common Stock were purchased in multiple transactions at prices ranging from $3.995-$4.00 per share. The Reporting Person undertakes to provide to the Issuer, any security holder of the Issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares of Common Stock purchased at each separate price within the ranges set forth in this footnote (3) to this Form 4.

#1 116,666 shares of Common Stock vested and became nonforfeitable on January 28, 2024 pursuant to a restricted stock award (the "Restricted Stock Award") previously granted to the Reporting Person on January 7, 2019 under the Issuer's 2015 Stock Incentive Plan (the "Plan") that vested on January 28, 2021 upon the Fair Market Value (as defined in the Plan) of the Common Stock equaling or exceeding $15.00 per share for 20 consecutive trading days. The Restricted Stock Award and the schedule of Common Stock that may vest thereunder was previously reported.

#2 Represents the number of shares of Common Stock withheld by the Issuer to satisfy the tax withholding obligations incurred by Mr. Kanders as a result of the vesting on January 28, 2024 of a portion of the Restricted Stock Award.

#1 116,666 shares of Common Stock vested and became nonforfeitable on January 28, 2024 pursuant to a restricted stock award (the "Restricted Stock Award") previously granted to the Reporting Person on January 7, 2019 under the Issuer's 2015 Stock Incentive Plan (the "Plan") that vested on January 28, 2021 upon the Fair Market Value (as defined in the Plan) of the Common Stock equaling or exceeding $15.00 per share for 20 consecutive trading days. The Restricted Stock Award and the schedule of Common Stock that may vest thereunder was previously reported.

#2 Represents the number of shares of Common Stock withheld by the Issuer to satisfy the tax withholding obligations incurred by Mr. Kanders as a result of the vesting on January 28, 2024 of a portion of the Restricted Stock Award.