Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common Stock^F1,F4,F5,F6	Sep 9, 2015	P	224,800	$12.9119	A	6,525,569	I	See Footnotes
Common Stock^F2,F4,F5,F7	Sep 10, 2015	P	14,846	$12.8333	A	6,540,415	I	See Footnotes
Common Stock^F3,F4,F5,F8	Sep 11, 2015	P	138,750	$12.7133	A	6,679,165	I	See Footnotes

Table II — derivative securities

No Table II lines on this filing.

Explanation of responses

F1Represents the weighted average purchase price of shares purchased in a series of open market transactions on the transaction date at prices ranging from $12.8981 to $12.96 per share. The Reporting Persons undertake to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased at each price.
F2Represents the weighted average purchase price of shares purchased in a series of open market transactions on the transaction date at prices ranging from $12.75 to $12.8535 per share. The Reporting Persons undertake to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased at each price.
F3Represents the weighted average purchase price of shares purchased in a series of open market transactions on the transaction date at prices ranging from $12.7124 to $12.7366 per share. The Reporting Persons undertake to provide, upon request by the staff of the Securities and Exchange Commission, the issuer, or a security holder of the issuer, full information regarding the number of shares purchased at each price.
F4Shares reported herein as beneficially owned by Abrams Capital, LLC ("Abrams Capital") represent shares held for the account of private investment funds, including Abrams Capital Partners II, L.P. ("ACP II"), for which Abrams Capital serves as general partner. Shares reported herein for Abrams Capital Management, L.P. (the "LP") and Abrams Capital Management, LLC (the "LLC") represent the above-referenced shares beneficially owned by Abrams Capital and shares beneficially owned by another private investment fund for which the LP serves as investment manager. The LLC is the general partner of the LP. Shares reported herein for Mr. Abrams represent the above referenced shares reported for Abrams Capital and the LLC. Mr. Abrams is the managing member of Abrams Capital and the LLC.
F5Each Reporting Person disclaims beneficial ownership of the reported shares except to the extent of its or his pecuniary interest therein, and the inclusion of such securities in this report shall not be deemed an admission of beneficial ownership for purposes of Section 16 or for any other purpose.
F6Of the shares purchased on September 9, 2015, 181,071 shares are held for the account of ACP II, 212,736 shares may be deemed beneficially owned by Abrams Capital and all of such shares may be deemed beneficially owned by Mr. Abrams, the LP and the LLC.
F7Of the shares purchased on September 10, 2015, 11,957 shares are held for the account of ACP II, 14,049 shares may be deemed beneficially owned by Abrams Capital and all of such shares may be deemed beneficially owned by Mr. Abrams, the LP and the LLC.
F8Of the shares purchased on September 11, 2015, 111,761 shares are held for the account of ACP II, 131,304 shares may be deemed beneficially owned by Abrams Capital and all of such shares may be deemed beneficially owned by Mr. Abrams, the LP and the LLC. As of September 11, 2015, 5,379,813 of the shares reported herein are held for the account of ACPII, Abrams Capital may be deemed to beneficially own 6,320,516 of the shares reported herein, and Mr. Abrams, the LP and the LLC may be deemed to beneficially own all of such shares.