SCHEDULE I

Transactions in the Securities of the Issuer Since Amendment No. 3

¹Price per Common Share does not include any brokerage commissions or service charges. Where weighted average price is used for the reported transactions, the Reporting Persons undertake to provide upon request by the SEC, full information regarding the number of Common Shares purchased or sold at each separate price.

²A weighted average price based on prices ranging from $0.1693 to $0.2115.

³A weighted average price based on prices ranging from $0.1693 to $0.2115.

⁴A weighted average price based on prices ranging from $0.1800 to $0.1999.

⁵A weighted average price based on prices ranging from $0.1800 to $0.2015.

⁶A weighted average price based on prices ranging from $0.1651 to $0.1765.

⁷A weighted average price based on prices ranging from $0.1641 to $0.1773.

⁸A weighted average price based on prices ranging from $0.1662 to $0.1726.

⁹A weighted average price based on prices ranging from $0.1656 to $0.1728.

¹⁰A weighted average price based on prices ranging from $0.1680 to $0.1790.

¹¹A weighted average price based on prices ranging from $0.1680 to $0.1796.

¹²A weighted average price based on prices ranging from $0.1603 to $0.1705.

¹³A weighted average price based on prices ranging from $0.1602 to $0.1705.

¹⁴A weighted average price based on prices ranging from $0.1620 to $0.1711.

¹⁵A weighted average price based on prices ranging from $0.1616 to $0.1727.

¹⁶A weighted average price based on prices ranging from $0.1644 to $0.1742.

¹⁷A weighted average price based on prices ranging from $0.1640 to $0.1748.

¹⁸A weighted average price based on prices ranging from $0.1693 to $0.1779.

¹⁹A weighted average price based on prices ranging from $0.1690 to $0.1804.

²⁰A weighted average price based on prices ranging from $0.1693 to $0.1835.

²¹A weighted average price based on prices ranging from $0.1693 to $0.1844.

²²A weighted average price based on prices ranging from $0.1500 to $0.1689.

²³A weighted average price based on prices ranging from $0.1499 to $0.1717.

²⁴A weighted average price based on prices ranging from $0.1405 to $0.1463.

²⁵A weighted average price based on prices ranging from $0.1403 to $0.1463.

²⁶A weighted average price based on prices ranging from $10.53 to $11.17.

²⁷A weighted average price based on prices ranging from $10.50 to $11.45.

²⁸A weighted average price based on prices ranging from $10.36 to $10.90.

²⁹A weighted average price based on prices ranging from $10.14 to $11.00.

³⁰A weighted average price based on prices ranging from $10.38 to $10.51.

³¹A weighted average price based on prices ranging from $10.17 to $10.89.

³²A weighted average price based on prices ranging from $10.71 to $10.87.

³³A weighted average price based on prices ranging from $10.01 to $11.00.

³⁴A weighted average price based on prices ranging from $11.02 to $11.07.

³⁵A weighted average price based on prices ranging from $11.29 to $11.76.

³⁶A weighted average price based on prices ranging from $11.29 to $12.20.

³⁷A weighted average price based on prices ranging from $11.09 to $11.10.

³⁸A weighted average price based on prices ranging from $10.96 to $11.67.

³⁹A weighted average price based on prices ranging from $11.57 to $11.67.

⁴⁰A weighted average price based on prices ranging from $11.37 to $12.25.

⁴¹A weighted average price based on prices ranging from $10.03 to $10.99.

⁴²A weighted average price based on prices ranging from $10.03 to $10.99.

⁴³A weighted average price based on prices ranging from $11.12 to $11.90.

⁴⁴A weighted average price based on prices ranging from $10.92 to $10.99.

⁴⁵A weighted average price based on prices ranging from $10.80 to $11.60.

⁴⁶A weighted average price based on prices ranging from $10.34 to $10.90.

⁴⁷A weighted average price based on prices ranging from $10.26 to $11.01.

⁴⁸A weighted average price based on prices ranging from $11.27 to $11.74.

⁴⁹A weighted average price based on prices ranging from $10.43 to $11.36.

⁵⁰A weighted average price based on prices ranging from $11.46 to $11.74.