Transaction Details

Footnotes

The reported price in Column 4 is a weighted average purchase price. These shares were purchased in multiple transactions at prices ranging from $6.05 to $614 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 purchased at each separate price within the range set forth in this footnote. | The reported price in Column 4 is a weighted average purchase price. These shares were purchased in multiple transactions at prices ranging from $6.00 to $6.15 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 purchased at each separate price within the range set forth in this footnote. | The reported price in Column 4 is a weighted average purchase price. These shares were purchased in multiple transactions at prices ranging from $6.18 to $6.25 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 purchased at each separate price within the range set forth in this footnote. | THRC Holdings owns (i) 78,123,143 shares of Class A Common Stock of Issuer, (ii) 30,000 shares of Series A Redeemable Convertible Preferred Stock that are convertible into 1,689,971 shares of Class A Common Stock, and (iii) warrants to purchase 42,744 shares of Class A Common Stock. | THRC Holdings, LP, a Texas limited partnership ("THRC"), directly holds the securities of the Issuer. THRC Management, LLC, a Texas limited liability company ("THRC Management"), as General Partner of THRC, has exclusive voting and investment control over the shares of the Issuer's Class A common stock held by THRC, and therefore may be deemed to beneficially own such shares. Dan Wilks, as sole manager of THRC Management, may be deemed to exercise voting and investment power over the shares of the Issuer's Class A common stock directly owned by THRC, and therefore may be deemed to beneficially own such shares. Each Reporting Person disclaims beneficial ownership of all equity securities reported herein except to the extent of its respective pecuniary interest therein, and the filing of this Form 4 shall not be construed as an admission that any such Reporting Person is the beneficial owner of any equity securities covered by this Form 4.