F1The price reported in Column 4 is a weighted average price. The reporting person undertakes to provide KEG, any security holder of KEG, 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 ranges set forth above.
F2Includes 9,800,630 shares issued to Soter Capital, LLC ("Soter) in connection with issuer's emergence from bankruptcy on December 15, 2016 and Soter's participation in the related rights offering.
F3Soter Capital Holdings, LLC ("SCH") is the sole member of Soter and may be deemed to beneficially own the common stock beneficially owned by Soter. PE Soter Holdings, LLC ("PESH") holds a majority membership interest in SCH and may be deemed to beneficially own the common stock beneficially owned by SCH. Platinum Equity Capital Soter Partners, L.P. ("PECSP") holds a majority membership interest in PESH and may be deemed to beneficially own the common stock beneficially owned by PESH. Platinum Equity Partners III, LLC ("PEP III") is the general partner of PECSP and may be deemed to beneficially own the common stock beneficially owned by PECSP.
F4(Continued from Footnote 3) Platinum Equity Investment Holdings III, LLC ("PEIH III") is the senior managing member of PEP III and may be deemed to beneficially own the common stock beneficially owned by PEP III. Platinum Equity, LLC ("Platinum Equity") is the sole member of PEIH III and may be deemed to beneficially own the common stock beneficially owned by PEIH III. Tom Gores is the Chairman and Chief Executive Officer of Platinum Equity and may be deemed to beneficially own the common stock beneficially owned by Platinum Equity. Mr. Gores disclaims beneficial ownership of all the shares of common stock held by each of the entities listed above with respect to which he does not have a pecuniary interest.
F5Includes 228,335 shares that were purchased on February 25, 2019.

Remarks

The original Form 4 incorrectly listed a "D" in Line 1 of Table 1, Box 4 above and a "D" in Line 2 of Table 1, Box 4. This Form 4 will amend both Lines 1 and 2 in Table 1, Box 4 to read "A".