1. The price reported in Column 4 is a weighted-average price. These shares were purchased in multiple transactions at prices ranging from $1.94 to $2.00. The reporting person undertakes to provide 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 purchased at each separate price within the range set forth in this footnote.

2. The price reported in Column 4 is a weighted-average price. These shares were purchased in multiple transactions at prices ranging from $2.065 to $2.100. The reporting person undertakes to provide 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 purchased at each separate price within the range set forth in this footnote.