MHR FUND MANAGEMENT LLC

Row 1 · 2017-06-30 · Other · Acquired Not disclosed · Balance Not disclosed

F1: The Reporting Persons hold Amended and Restated 13% Senior Secured Convertible Notes of the Issuer (the "Convertible Notes"), Amended and Restated 13% Senior Secured Promissory Notes of the Issuer (the "Bridge Notes") and Amended and Restated 10% Senior Secured Reimbursement Notes of the Issuer (the "Reimbursement Notes"). The Convertible Notes, Bridge Notes and Reimbursement Notes are convertible into shares of the Issuer's common stock, par value $.01 per share (the "Common Stock"). Interest on the Convertible Notes, the Bridge Notes and Reimbursement Notes is payable in kind semi-annually in arrears through the issuance to the Reporting Persons of additional Convertible Notes, Bridge Notes and Reimbursement Notes respectively. (Continued to Footnote 2)

F2: (Continued from Footnote 1) This Form 4 is being filed to report the receipt of additional Convertible Notes, Bridge Notes and Reimbursement Notes as paid-in-kind interest on the Convertible Notes, Bridge Notes and Reimbursement Notes, respectively, already held by the Reporting Persons.

F11: The Convertible Notes, Reimbursement Notes and Bridge Notes are convertible into Common Stock at any time upon the option of the holder.

F3: These securities are held for the account of MHR Capital Partners Master Account LP, an Anguilla, British West Indies limited partnership ("Master Account"). MHR Advisors LLC, a Delaware limited liability company ("Advisors"), is the general partner of Master Account. MHRC LLC, a Delaware limited liability company ("MHRC"), is the managing member of Advisors. Mark H. Rachesky, M.D. ("Dr. Rachesky") is the managing member of MHRC. MHR Fund Management LLC ("Fund Management") has an investment management agreement with Master Account pursuant to which it has the power to vote or direct the vote and to dispose or to direct the disposition of the securities held for the account of Master Account. MHR Holdings LLC, a Delaware limited liability company ("MHR Holdings"), is the managing member of Fund Management. (Continued in footnote 4)

F4: (Continued from footnote 3) Accordingly, Advisors, MHRC, Fund Management, MHR Holdings and Dr. Rachesky may be deemed to beneficially own the securities held for the account of Master Account. Each of Advisors, MHRC, Fund Management, MHR Holdings and Dr. Rachesky disclaims beneficial ownership of such securities except to the extent of their pecuniary interest therein.

Row 2 · 2017-06-30 · Other · Acquired Not disclosed · Balance Not disclosed

F1: The Reporting Persons hold Amended and Restated 13% Senior Secured Convertible Notes of the Issuer (the "Convertible Notes"), Amended and Restated 13% Senior Secured Promissory Notes of the Issuer (the "Bridge Notes") and Amended and Restated 10% Senior Secured Reimbursement Notes of the Issuer (the "Reimbursement Notes"). The Convertible Notes, Bridge Notes and Reimbursement Notes are convertible into shares of the Issuer's common stock, par value $.01 per share (the "Common Stock"). Interest on the Convertible Notes, the Bridge Notes and Reimbursement Notes is payable in kind semi-annually in arrears through the issuance to the Reporting Persons of additional Convertible Notes, Bridge Notes and Reimbursement Notes respectively. (Continued to Footnote 2)

F2: (Continued from Footnote 1) This Form 4 is being filed to report the receipt of additional Convertible Notes, Bridge Notes and Reimbursement Notes as paid-in-kind interest on the Convertible Notes, Bridge Notes and Reimbursement Notes, respectively, already held by the Reporting Persons.

F11: The Convertible Notes, Reimbursement Notes and Bridge Notes are convertible into Common Stock at any time upon the option of the holder.

F5: These securities are held for the account of MHR Capital Partners (100) LP, a Delaware limited partnership ("Capital Partners (100)"). Advisors is the general partner of Capital Partners (100). MHRC is the managing member of Advisors. Dr. Rachesky is the managing member of MHRC. Fund Management has an investment management agreement with Capital Partners (100) pursuant to which it has the power to vote or direct the vote and to dispose or to direct the disposition of the securities held for the account of Capital Partners (100). MHR Holdings is the managing member of Fund Management. Accordingly, Advisors, MHRC, Fund Management, MHR Holdings and Dr. Rachesky may be deemed to beneficially own the securities held for the account of Capital Partners (100). (Continued in footnote 6)

F6: (Continued from footnote 5) Each of Advisors, MHRC, Fund Management, MHR Holdings and Dr. Rachesky disclaims beneficial ownership of such securities except to the extent of their pecuniary interest therein.

Row 3 · 2017-06-30 · Other · Acquired Not disclosed · Balance Not disclosed

F1: The Reporting Persons hold Amended and Restated 13% Senior Secured Convertible Notes of the Issuer (the "Convertible Notes"), Amended and Restated 13% Senior Secured Promissory Notes of the Issuer (the "Bridge Notes") and Amended and Restated 10% Senior Secured Reimbursement Notes of the Issuer (the "Reimbursement Notes"). The Convertible Notes, Bridge Notes and Reimbursement Notes are convertible into shares of the Issuer's common stock, par value $.01 per share (the "Common Stock"). Interest on the Convertible Notes, the Bridge Notes and Reimbursement Notes is payable in kind semi-annually in arrears through the issuance to the Reporting Persons of additional Convertible Notes, Bridge Notes and Reimbursement Notes respectively. (Continued to Footnote 2)

F2: (Continued from Footnote 1) This Form 4 is being filed to report the receipt of additional Convertible Notes, Bridge Notes and Reimbursement Notes as paid-in-kind interest on the Convertible Notes, Bridge Notes and Reimbursement Notes, respectively, already held by the Reporting Persons.

F11: The Convertible Notes, Reimbursement Notes and Bridge Notes are convertible into Common Stock at any time upon the option of the holder.

F7: These securities are held for the account of MHR Institutional Partners II LP, a Delaware limited partnership ("Institutional Partners II"). MHR Institutional Advisors II LLC, a Delaware limited liability company ("Institutional Advisors II"), is the general partner of Institutional Partners II. MHRC II LLC, a Delaware limited liability company ("MHRC II"), is the managing member of Institutional Advisors II. Dr. Rachesky is the managing member of MHRC II. Fund Management has an investment management agreement with Institutional Partners II pursuant to which it has the power to vote or direct the vote and to dispose or to direct the disposition of the securities held for the account of Institutional Partners II. MHR Holdings is the managing member of Fund Management. Accordingly, Institutional Advisors II, MHRC II, Fund Management, MHR Holdings and Dr. Rachesky may be deemed to beneficially own the securities held for the account of Institutional Partners II. (Continued in Footnote 8)

F8: (continued from footnote 7) Each of Institutional Advisors II, MHRC II, Fund Management, MHR Holdings and Dr. Rachesky disclaims beneficial ownership of such securities except to the extent of their pecuniary interest therein.

Row 4 · 2017-06-30 · Other · Acquired Not disclosed · Balance Not disclosed

F1: The Reporting Persons hold Amended and Restated 13% Senior Secured Convertible Notes of the Issuer (the "Convertible Notes"), Amended and Restated 13% Senior Secured Promissory Notes of the Issuer (the "Bridge Notes") and Amended and Restated 10% Senior Secured Reimbursement Notes of the Issuer (the "Reimbursement Notes"). The Convertible Notes, Bridge Notes and Reimbursement Notes are convertible into shares of the Issuer's common stock, par value $.01 per share (the "Common Stock"). Interest on the Convertible Notes, the Bridge Notes and Reimbursement Notes is payable in kind semi-annually in arrears through the issuance to the Reporting Persons of additional Convertible Notes, Bridge Notes and Reimbursement Notes respectively. (Continued to Footnote 2)

F2: (Continued from Footnote 1) This Form 4 is being filed to report the receipt of additional Convertible Notes, Bridge Notes and Reimbursement Notes as paid-in-kind interest on the Convertible Notes, Bridge Notes and Reimbursement Notes, respectively, already held by the Reporting Persons.

F11: The Convertible Notes, Reimbursement Notes and Bridge Notes are convertible into Common Stock at any time upon the option of the holder.

F9: These securities are held for the account of MHR Institutional Partners IIA LP, a Delaware limited partnership ("Institutional Partners IIA"). Institutional Advisors II is the general partner of Institutional Partners IIA. MHRC II is the managing member of Institutional Advisors II. Dr. Rachesky is the managing member of MHRC II. Fund Management has an investment management agreement with Institutional Partners IIA pursuant to which it has the power to vote or direct the vote and to dispose or to direct the disposition of the securities held for the account of Institutional Partners IIA. MHR Holdings is the managing member of Fund Management. Accordingly, Institutional Advisors II, MHRC II, Fund Management, MHR Holdings and Dr. Rachesky may be deemed to beneficially own the securities held for the account of Institutional Partners IIA. (Continued in footnote 10)

F10: (continued from footnote 9) Each of Institutional Advisors II, MHRC II, Fund Management, MHR Holdings and Dr. Rachesky disclaims beneficial ownership of such securities except to the extent of their pecuniary interest therein.

Row 5 · 2017-06-30 · Other · Acquired Not disclosed · Balance Not disclosed

F1: The Reporting Persons hold Amended and Restated 13% Senior Secured Convertible Notes of the Issuer (the "Convertible Notes"), Amended and Restated 13% Senior Secured Promissory Notes of the Issuer (the "Bridge Notes") and Amended and Restated 10% Senior Secured Reimbursement Notes of the Issuer (the "Reimbursement Notes"). The Convertible Notes, Bridge Notes and Reimbursement Notes are convertible into shares of the Issuer's common stock, par value $.01 per share (the "Common Stock"). Interest on the Convertible Notes, the Bridge Notes and Reimbursement Notes is payable in kind semi-annually in arrears through the issuance to the Reporting Persons of additional Convertible Notes, Bridge Notes and Reimbursement Notes respectively. (Continued to Footnote 2)

F2: (Continued from Footnote 1) This Form 4 is being filed to report the receipt of additional Convertible Notes, Bridge Notes and Reimbursement Notes as paid-in-kind interest on the Convertible Notes, Bridge Notes and Reimbursement Notes, respectively, already held by the Reporting Persons.

F11: The Convertible Notes, Reimbursement Notes and Bridge Notes are convertible into Common Stock at any time upon the option of the holder.

F3: These securities are held for the account of MHR Capital Partners Master Account LP, an Anguilla, British West Indies limited partnership ("Master Account"). MHR Advisors LLC, a Delaware limited liability company ("Advisors"), is the general partner of Master Account. MHRC LLC, a Delaware limited liability company ("MHRC"), is the managing member of Advisors. Mark H. Rachesky, M.D. ("Dr. Rachesky") is the managing member of MHRC. MHR Fund Management LLC ("Fund Management") has an investment management agreement with Master Account pursuant to which it has the power to vote or direct the vote and to dispose or to direct the disposition of the securities held for the account of Master Account. MHR Holdings LLC, a Delaware limited liability company ("MHR Holdings"), is the managing member of Fund Management. (Continued in footnote 4)

F4: (Continued from footnote 3) Accordingly, Advisors, MHRC, Fund Management, MHR Holdings and Dr. Rachesky may be deemed to beneficially own the securities held for the account of Master Account. Each of Advisors, MHRC, Fund Management, MHR Holdings and Dr. Rachesky disclaims beneficial ownership of such securities except to the extent of their pecuniary interest therein.

Row 6 · 2017-06-30 · Other · Acquired Not disclosed · Balance Not disclosed

F1: The Reporting Persons hold Amended and Restated 13% Senior Secured Convertible Notes of the Issuer (the "Convertible Notes"), Amended and Restated 13% Senior Secured Promissory Notes of the Issuer (the "Bridge Notes") and Amended and Restated 10% Senior Secured Reimbursement Notes of the Issuer (the "Reimbursement Notes"). The Convertible Notes, Bridge Notes and Reimbursement Notes are convertible into shares of the Issuer's common stock, par value $.01 per share (the "Common Stock"). Interest on the Convertible Notes, the Bridge Notes and Reimbursement Notes is payable in kind semi-annually in arrears through the issuance to the Reporting Persons of additional Convertible Notes, Bridge Notes and Reimbursement Notes respectively. (Continued to Footnote 2)

F2: (Continued from Footnote 1) This Form 4 is being filed to report the receipt of additional Convertible Notes, Bridge Notes and Reimbursement Notes as paid-in-kind interest on the Convertible Notes, Bridge Notes and Reimbursement Notes, respectively, already held by the Reporting Persons.

F11: The Convertible Notes, Reimbursement Notes and Bridge Notes are convertible into Common Stock at any time upon the option of the holder.

F5: These securities are held for the account of MHR Capital Partners (100) LP, a Delaware limited partnership ("Capital Partners (100)"). Advisors is the general partner of Capital Partners (100). MHRC is the managing member of Advisors. Dr. Rachesky is the managing member of MHRC. Fund Management has an investment management agreement with Capital Partners (100) pursuant to which it has the power to vote or direct the vote and to dispose or to direct the disposition of the securities held for the account of Capital Partners (100). MHR Holdings is the managing member of Fund Management. Accordingly, Advisors, MHRC, Fund Management, MHR Holdings and Dr. Rachesky may be deemed to beneficially own the securities held for the account of Capital Partners (100). (Continued in footnote 6)

F6: (Continued from footnote 5) Each of Advisors, MHRC, Fund Management, MHR Holdings and Dr. Rachesky disclaims beneficial ownership of such securities except to the extent of their pecuniary interest therein.

Row 7 · 2017-06-30 · Other · Acquired Not disclosed · Balance Not disclosed

F1: The Reporting Persons hold Amended and Restated 13% Senior Secured Convertible Notes of the Issuer (the "Convertible Notes"), Amended and Restated 13% Senior Secured Promissory Notes of the Issuer (the "Bridge Notes") and Amended and Restated 10% Senior Secured Reimbursement Notes of the Issuer (the "Reimbursement Notes"). The Convertible Notes, Bridge Notes and Reimbursement Notes are convertible into shares of the Issuer's common stock, par value $.01 per share (the "Common Stock"). Interest on the Convertible Notes, the Bridge Notes and Reimbursement Notes is payable in kind semi-annually in arrears through the issuance to the Reporting Persons of additional Convertible Notes, Bridge Notes and Reimbursement Notes respectively. (Continued to Footnote 2)

F2: (Continued from Footnote 1) This Form 4 is being filed to report the receipt of additional Convertible Notes, Bridge Notes and Reimbursement Notes as paid-in-kind interest on the Convertible Notes, Bridge Notes and Reimbursement Notes, respectively, already held by the Reporting Persons.

F11: The Convertible Notes, Reimbursement Notes and Bridge Notes are convertible into Common Stock at any time upon the option of the holder.

F7: These securities are held for the account of MHR Institutional Partners II LP, a Delaware limited partnership ("Institutional Partners II"). MHR Institutional Advisors II LLC, a Delaware limited liability company ("Institutional Advisors II"), is the general partner of Institutional Partners II. MHRC II LLC, a Delaware limited liability company ("MHRC II"), is the managing member of Institutional Advisors II. Dr. Rachesky is the managing member of MHRC II. Fund Management has an investment management agreement with Institutional Partners II pursuant to which it has the power to vote or direct the vote and to dispose or to direct the disposition of the securities held for the account of Institutional Partners II. MHR Holdings is the managing member of Fund Management. Accordingly, Institutional Advisors II, MHRC II, Fund Management, MHR Holdings and Dr. Rachesky may be deemed to beneficially own the securities held for the account of Institutional Partners II. (Continued in Footnote 8)

F8: (continued from footnote 7) Each of Institutional Advisors II, MHRC II, Fund Management, MHR Holdings and Dr. Rachesky disclaims beneficial ownership of such securities except to the extent of their pecuniary interest therein.

Row 8 · 2017-06-30 · Other · Acquired Not disclosed · Balance Not disclosed

F1: The Reporting Persons hold Amended and Restated 13% Senior Secured Convertible Notes of the Issuer (the "Convertible Notes"), Amended and Restated 13% Senior Secured Promissory Notes of the Issuer (the "Bridge Notes") and Amended and Restated 10% Senior Secured Reimbursement Notes of the Issuer (the "Reimbursement Notes"). The Convertible Notes, Bridge Notes and Reimbursement Notes are convertible into shares of the Issuer's common stock, par value $.01 per share (the "Common Stock"). Interest on the Convertible Notes, the Bridge Notes and Reimbursement Notes is payable in kind semi-annually in arrears through the issuance to the Reporting Persons of additional Convertible Notes, Bridge Notes and Reimbursement Notes respectively. (Continued to Footnote 2)

F2: (Continued from Footnote 1) This Form 4 is being filed to report the receipt of additional Convertible Notes, Bridge Notes and Reimbursement Notes as paid-in-kind interest on the Convertible Notes, Bridge Notes and Reimbursement Notes, respectively, already held by the Reporting Persons.

F11: The Convertible Notes, Reimbursement Notes and Bridge Notes are convertible into Common Stock at any time upon the option of the holder.

F9: These securities are held for the account of MHR Institutional Partners IIA LP, a Delaware limited partnership ("Institutional Partners IIA"). Institutional Advisors II is the general partner of Institutional Partners IIA. MHRC II is the managing member of Institutional Advisors II. Dr. Rachesky is the managing member of MHRC II. Fund Management has an investment management agreement with Institutional Partners IIA pursuant to which it has the power to vote or direct the vote and to dispose or to direct the disposition of the securities held for the account of Institutional Partners IIA. MHR Holdings is the managing member of Fund Management. Accordingly, Institutional Advisors II, MHRC II, Fund Management, MHR Holdings and Dr. Rachesky may be deemed to beneficially own the securities held for the account of Institutional Partners IIA. (Continued in footnote 10)

F10: (continued from footnote 9) Each of Institutional Advisors II, MHRC II, Fund Management, MHR Holdings and Dr. Rachesky disclaims beneficial ownership of such securities except to the extent of their pecuniary interest therein.

Row 9 · 2017-06-30 · Other · Acquired Not disclosed · Balance Not disclosed

F1: The Reporting Persons hold Amended and Restated 13% Senior Secured Convertible Notes of the Issuer (the "Convertible Notes"), Amended and Restated 13% Senior Secured Promissory Notes of the Issuer (the "Bridge Notes") and Amended and Restated 10% Senior Secured Reimbursement Notes of the Issuer (the "Reimbursement Notes"). The Convertible Notes, Bridge Notes and Reimbursement Notes are convertible into shares of the Issuer's common stock, par value $.01 per share (the "Common Stock"). Interest on the Convertible Notes, the Bridge Notes and Reimbursement Notes is payable in kind semi-annually in arrears through the issuance to the Reporting Persons of additional Convertible Notes, Bridge Notes and Reimbursement Notes respectively. (Continued to Footnote 2)

F2: (Continued from Footnote 1) This Form 4 is being filed to report the receipt of additional Convertible Notes, Bridge Notes and Reimbursement Notes as paid-in-kind interest on the Convertible Notes, Bridge Notes and Reimbursement Notes, respectively, already held by the Reporting Persons.

F11: The Convertible Notes, Reimbursement Notes and Bridge Notes are convertible into Common Stock at any time upon the option of the holder.

F12: The Reimbursement Notes mature on the earlier of (a) March 31, 2022 and (b) immediately prior to the time that any amounts outstanding are paid under that certain senior secured loan facility, dated August 20, 2014, by and among the Issuer, Master Account, Capital Partners (100), Institutional Partners II and Institutional Partners IIA.

F3: These securities are held for the account of MHR Capital Partners Master Account LP, an Anguilla, British West Indies limited partnership ("Master Account"). MHR Advisors LLC, a Delaware limited liability company ("Advisors"), is the general partner of Master Account. MHRC LLC, a Delaware limited liability company ("MHRC"), is the managing member of Advisors. Mark H. Rachesky, M.D. ("Dr. Rachesky") is the managing member of MHRC. MHR Fund Management LLC ("Fund Management") has an investment management agreement with Master Account pursuant to which it has the power to vote or direct the vote and to dispose or to direct the disposition of the securities held for the account of Master Account. MHR Holdings LLC, a Delaware limited liability company ("MHR Holdings"), is the managing member of Fund Management. (Continued in footnote 4)

F4: (Continued from footnote 3) Accordingly, Advisors, MHRC, Fund Management, MHR Holdings and Dr. Rachesky may be deemed to beneficially own the securities held for the account of Master Account. Each of Advisors, MHRC, Fund Management, MHR Holdings and Dr. Rachesky disclaims beneficial ownership of such securities except to the extent of their pecuniary interest therein.

Row 10 · 2017-06-30 · Other · Acquired Not disclosed · Balance Not disclosed

F1: The Reporting Persons hold Amended and Restated 13% Senior Secured Convertible Notes of the Issuer (the "Convertible Notes"), Amended and Restated 13% Senior Secured Promissory Notes of the Issuer (the "Bridge Notes") and Amended and Restated 10% Senior Secured Reimbursement Notes of the Issuer (the "Reimbursement Notes"). The Convertible Notes, Bridge Notes and Reimbursement Notes are convertible into shares of the Issuer's common stock, par value $.01 per share (the "Common Stock"). Interest on the Convertible Notes, the Bridge Notes and Reimbursement Notes is payable in kind semi-annually in arrears through the issuance to the Reporting Persons of additional Convertible Notes, Bridge Notes and Reimbursement Notes respectively. (Continued to Footnote 2)

F2: (Continued from Footnote 1) This Form 4 is being filed to report the receipt of additional Convertible Notes, Bridge Notes and Reimbursement Notes as paid-in-kind interest on the Convertible Notes, Bridge Notes and Reimbursement Notes, respectively, already held by the Reporting Persons.

F11: The Convertible Notes, Reimbursement Notes and Bridge Notes are convertible into Common Stock at any time upon the option of the holder.

F12: The Reimbursement Notes mature on the earlier of (a) March 31, 2022 and (b) immediately prior to the time that any amounts outstanding are paid under that certain senior secured loan facility, dated August 20, 2014, by and among the Issuer, Master Account, Capital Partners (100), Institutional Partners II and Institutional Partners IIA.

F5: These securities are held for the account of MHR Capital Partners (100) LP, a Delaware limited partnership ("Capital Partners (100)"). Advisors is the general partner of Capital Partners (100). MHRC is the managing member of Advisors. Dr. Rachesky is the managing member of MHRC. Fund Management has an investment management agreement with Capital Partners (100) pursuant to which it has the power to vote or direct the vote and to dispose or to direct the disposition of the securities held for the account of Capital Partners (100). MHR Holdings is the managing member of Fund Management. Accordingly, Advisors, MHRC, Fund Management, MHR Holdings and Dr. Rachesky may be deemed to beneficially own the securities held for the account of Capital Partners (100). (Continued in footnote 6)

F6: (Continued from footnote 5) Each of Advisors, MHRC, Fund Management, MHR Holdings and Dr. Rachesky disclaims beneficial ownership of such securities except to the extent of their pecuniary interest therein.

Row 11 · 2017-06-30 · Other · Acquired Not disclosed · Balance Not disclosed

F1: The Reporting Persons hold Amended and Restated 13% Senior Secured Convertible Notes of the Issuer (the "Convertible Notes"), Amended and Restated 13% Senior Secured Promissory Notes of the Issuer (the "Bridge Notes") and Amended and Restated 10% Senior Secured Reimbursement Notes of the Issuer (the "Reimbursement Notes"). The Convertible Notes, Bridge Notes and Reimbursement Notes are convertible into shares of the Issuer's common stock, par value $.01 per share (the "Common Stock"). Interest on the Convertible Notes, the Bridge Notes and Reimbursement Notes is payable in kind semi-annually in arrears through the issuance to the Reporting Persons of additional Convertible Notes, Bridge Notes and Reimbursement Notes respectively. (Continued to Footnote 2)

F2: (Continued from Footnote 1) This Form 4 is being filed to report the receipt of additional Convertible Notes, Bridge Notes and Reimbursement Notes as paid-in-kind interest on the Convertible Notes, Bridge Notes and Reimbursement Notes, respectively, already held by the Reporting Persons.

F11: The Convertible Notes, Reimbursement Notes and Bridge Notes are convertible into Common Stock at any time upon the option of the holder.

F12: The Reimbursement Notes mature on the earlier of (a) March 31, 2022 and (b) immediately prior to the time that any amounts outstanding are paid under that certain senior secured loan facility, dated August 20, 2014, by and among the Issuer, Master Account, Capital Partners (100), Institutional Partners II and Institutional Partners IIA.

F7: These securities are held for the account of MHR Institutional Partners II LP, a Delaware limited partnership ("Institutional Partners II"). MHR Institutional Advisors II LLC, a Delaware limited liability company ("Institutional Advisors II"), is the general partner of Institutional Partners II. MHRC II LLC, a Delaware limited liability company ("MHRC II"), is the managing member of Institutional Advisors II. Dr. Rachesky is the managing member of MHRC II. Fund Management has an investment management agreement with Institutional Partners II pursuant to which it has the power to vote or direct the vote and to dispose or to direct the disposition of the securities held for the account of Institutional Partners II. MHR Holdings is the managing member of Fund Management. Accordingly, Institutional Advisors II, MHRC II, Fund Management, MHR Holdings and Dr. Rachesky may be deemed to beneficially own the securities held for the account of Institutional Partners II. (Continued in Footnote 8)

F8: (continued from footnote 7) Each of Institutional Advisors II, MHRC II, Fund Management, MHR Holdings and Dr. Rachesky disclaims beneficial ownership of such securities except to the extent of their pecuniary interest therein.

Row 12 · 2017-06-30 · Other · Acquired Not disclosed · Balance Not disclosed

F1: The Reporting Persons hold Amended and Restated 13% Senior Secured Convertible Notes of the Issuer (the "Convertible Notes"), Amended and Restated 13% Senior Secured Promissory Notes of the Issuer (the "Bridge Notes") and Amended and Restated 10% Senior Secured Reimbursement Notes of the Issuer (the "Reimbursement Notes"). The Convertible Notes, Bridge Notes and Reimbursement Notes are convertible into shares of the Issuer's common stock, par value $.01 per share (the "Common Stock"). Interest on the Convertible Notes, the Bridge Notes and Reimbursement Notes is payable in kind semi-annually in arrears through the issuance to the Reporting Persons of additional Convertible Notes, Bridge Notes and Reimbursement Notes respectively. (Continued to Footnote 2)

F2: (Continued from Footnote 1) This Form 4 is being filed to report the receipt of additional Convertible Notes, Bridge Notes and Reimbursement Notes as paid-in-kind interest on the Convertible Notes, Bridge Notes and Reimbursement Notes, respectively, already held by the Reporting Persons.

F11: The Convertible Notes, Reimbursement Notes and Bridge Notes are convertible into Common Stock at any time upon the option of the holder.

F12: The Reimbursement Notes mature on the earlier of (a) March 31, 2022 and (b) immediately prior to the time that any amounts outstanding are paid under that certain senior secured loan facility, dated August 20, 2014, by and among the Issuer, Master Account, Capital Partners (100), Institutional Partners II and Institutional Partners IIA.

F9: These securities are held for the account of MHR Institutional Partners IIA LP, a Delaware limited partnership ("Institutional Partners IIA"). Institutional Advisors II is the general partner of Institutional Partners IIA. MHRC II is the managing member of Institutional Advisors II. Dr. Rachesky is the managing member of MHRC II. Fund Management has an investment management agreement with Institutional Partners IIA pursuant to which it has the power to vote or direct the vote and to dispose or to direct the disposition of the securities held for the account of Institutional Partners IIA. MHR Holdings is the managing member of Fund Management. Accordingly, Institutional Advisors II, MHRC II, Fund Management, MHR Holdings and Dr. Rachesky may be deemed to beneficially own the securities held for the account of Institutional Partners IIA. (Continued in footnote 10)

F10: (continued from footnote 9) Each of Institutional Advisors II, MHRC II, Fund Management, MHR Holdings and Dr. Rachesky disclaims beneficial ownership of such securities except to the extent of their pecuniary interest therein.

Row 1 · 2016-12-08 · Other · Disposed 62,274 · Balance 0

F1: Pursuant to a reclassification exempt under Rule 16b-7, each common share, no par value (the "Common Shares"), was reclassified (the "Reclassification") into 0.5 Class A voting share, no par value (the "Class A Voting Shares"), and 0.5 Class B non-voting share, no par value (the "Class B Non-Voting Shares"). Restricted share units granted prior to the Reclassification were equitably adjusted in connection with the Reclassification.

Row 4 · 2016-12-08 · Other · Disposed 2,443 · Balance 0

F1: Pursuant to a reclassification exempt under Rule 16b-7, each common share, no par value (the "Common Shares"), was reclassified (the "Reclassification") into 0.5 Class A voting share, no par value (the "Class A Voting Shares"), and 0.5 Class B non-voting share, no par value (the "Class B Non-Voting Shares"). Restricted share units granted prior to the Reclassification were equitably adjusted in connection with the Reclassification.

F3: These were restricted share units granted by the Issuer, payable upon vesting in an equal number of Common Shares, which were scheduled to vest in three equal annual installments beginning on September 13, 2017.

Row 7 · 2016-12-08 · Other · Disposed 507 · Balance 0

F1: Pursuant to a reclassification exempt under Rule 16b-7, each common share, no par value (the "Common Shares"), was reclassified (the "Reclassification") into 0.5 Class A voting share, no par value (the "Class A Voting Shares"), and 0.5 Class B non-voting share, no par value (the "Class B Non-Voting Shares"). Restricted share units granted prior to the Reclassification were equitably adjusted in connection with the Reclassification.

F6: These were restricted share units granted by the Issuer, payable upon vesting in an equal number of Common Shares, which were scheduled to vest on September 9, 2017.

Row 10 · 2016-12-08 · Other · Disposed 865 · Balance 0

F1: Pursuant to a reclassification exempt under Rule 16b-7, each common share, no par value (the "Common Shares"), was reclassified (the "Reclassification") into 0.5 Class A voting share, no par value (the "Class A Voting Shares"), and 0.5 Class B non-voting share, no par value (the "Class B Non-Voting Shares"). Restricted share units granted prior to the Reclassification were equitably adjusted in connection with the Reclassification.

F9: These were restricted share units granted by the Issuer, payable upon vesting in an equal number of Common Shares, which were scheduled to vest in two equal annual installments beginning on September 15, 2017.

Row 2 · 2016-12-08 · Other · Acquired 31,137 · Balance 31,137

F1: Pursuant to a reclassification exempt under Rule 16b-7, each common share, no par value (the "Common Shares"), was reclassified (the "Reclassification") into 0.5 Class A voting share, no par value (the "Class A Voting Shares"), and 0.5 Class B non-voting share, no par value (the "Class B Non-Voting Shares"). Restricted share units granted prior to the Reclassification were equitably adjusted in connection with the Reclassification.

F21: The shares reported as owned on this Form 4 do not include the shares, which the reporting persons may be deemed to beneficially own as a result of that certain Voting and Standstill Agreement, by and among the Issuer, Liberty Global Incorporated Limited, a limited company organized under the laws of England and Wales ("Liberty"), Discovery Lightning Investments Ltd., a limited company organized under the laws of England and Wales ("Discovery" and, together with Liberty, the "Buyers"), the parent companies of the Buyers, John C. Malone, Master Account, Capital Partners (100), Institutional Partners II, Institutional Partners IIA, Institutional Partners III and Fund Management, but as to which they have no pecuniary interest.

Row 5 · 2016-12-08 · Other · Acquired 1,221 · Balance 1,221

F1: Pursuant to a reclassification exempt under Rule 16b-7, each common share, no par value (the "Common Shares"), was reclassified (the "Reclassification") into 0.5 Class A voting share, no par value (the "Class A Voting Shares"), and 0.5 Class B non-voting share, no par value (the "Class B Non-Voting Shares"). Restricted share units granted prior to the Reclassification were equitably adjusted in connection with the Reclassification.

F2: Upon the completion of the Reclassification, each restricted share unit award was adjusted to cover (a) a number of Class A Voting Shares equal to the number of Common Shares subject to the restricted share unit award immediately prior to the Reclassification, multiplied by 0.5, rounded down to the nearest whole share and (b) a number of Class B Non-Voting Shares equal to the number of Common Shares subject to the restricted share unit award immediately prior to the Reclassification, multiplied by 0.5, rounded down to the nearest whole share. Fractional Class A Voting Shares and Class B Non-Voting Shares resulting from the adjustment were cancelled in exchange for a cash payment equal to the closing trading price of the Class A Voting Shares or Class B Non-Voting Shares, as applicable, on December 9, 2016, multiplied by the fraction cancelled.

F21: The shares reported as owned on this Form 4 do not include the shares, which the reporting persons may be deemed to beneficially own as a result of that certain Voting and Standstill Agreement, by and among the Issuer, Liberty Global Incorporated Limited, a limited company organized under the laws of England and Wales ("Liberty"), Discovery Lightning Investments Ltd., a limited company organized under the laws of England and Wales ("Discovery" and, together with Liberty, the "Buyers"), the parent companies of the Buyers, John C. Malone, Master Account, Capital Partners (100), Institutional Partners II, Institutional Partners IIA, Institutional Partners III and Fund Management, but as to which they have no pecuniary interest.

F4: These are restricted share units granted by the Issuer, payable upon vesting in an equal number of Class A Voting Shares, which are scheduled to vest in three equal annual installments beginning on September 13, 2017.

Row 8 · 2016-12-08 · Other · Acquired 253 · Balance 253

F1: Pursuant to a reclassification exempt under Rule 16b-7, each common share, no par value (the "Common Shares"), was reclassified (the "Reclassification") into 0.5 Class A voting share, no par value (the "Class A Voting Shares"), and 0.5 Class B non-voting share, no par value (the "Class B Non-Voting Shares"). Restricted share units granted prior to the Reclassification were equitably adjusted in connection with the Reclassification.

F2: Upon the completion of the Reclassification, each restricted share unit award was adjusted to cover (a) a number of Class A Voting Shares equal to the number of Common Shares subject to the restricted share unit award immediately prior to the Reclassification, multiplied by 0.5, rounded down to the nearest whole share and (b) a number of Class B Non-Voting Shares equal to the number of Common Shares subject to the restricted share unit award immediately prior to the Reclassification, multiplied by 0.5, rounded down to the nearest whole share. Fractional Class A Voting Shares and Class B Non-Voting Shares resulting from the adjustment were cancelled in exchange for a cash payment equal to the closing trading price of the Class A Voting Shares or Class B Non-Voting Shares, as applicable, on December 9, 2016, multiplied by the fraction cancelled.

F21: The shares reported as owned on this Form 4 do not include the shares, which the reporting persons may be deemed to beneficially own as a result of that certain Voting and Standstill Agreement, by and among the Issuer, Liberty Global Incorporated Limited, a limited company organized under the laws of England and Wales ("Liberty"), Discovery Lightning Investments Ltd., a limited company organized under the laws of England and Wales ("Discovery" and, together with Liberty, the "Buyers"), the parent companies of the Buyers, John C. Malone, Master Account, Capital Partners (100), Institutional Partners II, Institutional Partners IIA, Institutional Partners III and Fund Management, but as to which they have no pecuniary interest.

F7: These are restricted share units granted by the Issuer, payable upon vesting in an equal number of Class A Voting Shares, which are scheduled to vest on September 9, 2017.

Row 11 · 2016-12-08 · Other · Acquired 432 · Balance 432

F1: Pursuant to a reclassification exempt under Rule 16b-7, each common share, no par value (the "Common Shares"), was reclassified (the "Reclassification") into 0.5 Class A voting share, no par value (the "Class A Voting Shares"), and 0.5 Class B non-voting share, no par value (the "Class B Non-Voting Shares"). Restricted share units granted prior to the Reclassification were equitably adjusted in connection with the Reclassification.

F2: Upon the completion of the Reclassification, each restricted share unit award was adjusted to cover (a) a number of Class A Voting Shares equal to the number of Common Shares subject to the restricted share unit award immediately prior to the Reclassification, multiplied by 0.5, rounded down to the nearest whole share and (b) a number of Class B Non-Voting Shares equal to the number of Common Shares subject to the restricted share unit award immediately prior to the Reclassification, multiplied by 0.5, rounded down to the nearest whole share. Fractional Class A Voting Shares and Class B Non-Voting Shares resulting from the adjustment were cancelled in exchange for a cash payment equal to the closing trading price of the Class A Voting Shares or Class B Non-Voting Shares, as applicable, on December 9, 2016, multiplied by the fraction cancelled.

F21: The shares reported as owned on this Form 4 do not include the shares, which the reporting persons may be deemed to beneficially own as a result of that certain Voting and Standstill Agreement, by and among the Issuer, Liberty Global Incorporated Limited, a limited company organized under the laws of England and Wales ("Liberty"), Discovery Lightning Investments Ltd., a limited company organized under the laws of England and Wales ("Discovery" and, together with Liberty, the "Buyers"), the parent companies of the Buyers, John C. Malone, Master Account, Capital Partners (100), Institutional Partners II, Institutional Partners IIA, Institutional Partners III and Fund Management, but as to which they have no pecuniary interest.

F10: These are restricted share units granted by the Issuer, payable upon vesting in an equal number of Class A Voting Shares, which are scheduled to vest in two equal annual installments beginning on September 15, 2017.

Row 3 · 2016-12-08 · Other · Acquired 31,137 · Balance 31,137

F1: Pursuant to a reclassification exempt under Rule 16b-7, each common share, no par value (the "Common Shares"), was reclassified (the "Reclassification") into 0.5 Class A voting share, no par value (the "Class A Voting Shares"), and 0.5 Class B non-voting share, no par value (the "Class B Non-Voting Shares"). Restricted share units granted prior to the Reclassification were equitably adjusted in connection with the Reclassification.

F21: The shares reported as owned on this Form 4 do not include the shares, which the reporting persons may be deemed to beneficially own as a result of that certain Voting and Standstill Agreement, by and among the Issuer, Liberty Global Incorporated Limited, a limited company organized under the laws of England and Wales ("Liberty"), Discovery Lightning Investments Ltd., a limited company organized under the laws of England and Wales ("Discovery" and, together with Liberty, the "Buyers"), the parent companies of the Buyers, John C. Malone, Master Account, Capital Partners (100), Institutional Partners II, Institutional Partners IIA, Institutional Partners III and Fund Management, but as to which they have no pecuniary interest.

Row 6 · 2016-12-08 · Other · Acquired 1,221 · Balance 1,221

F1: Pursuant to a reclassification exempt under Rule 16b-7, each common share, no par value (the "Common Shares"), was reclassified (the "Reclassification") into 0.5 Class A voting share, no par value (the "Class A Voting Shares"), and 0.5 Class B non-voting share, no par value (the "Class B Non-Voting Shares"). Restricted share units granted prior to the Reclassification were equitably adjusted in connection with the Reclassification.

F2: Upon the completion of the Reclassification, each restricted share unit award was adjusted to cover (a) a number of Class A Voting Shares equal to the number of Common Shares subject to the restricted share unit award immediately prior to the Reclassification, multiplied by 0.5, rounded down to the nearest whole share and (b) a number of Class B Non-Voting Shares equal to the number of Common Shares subject to the restricted share unit award immediately prior to the Reclassification, multiplied by 0.5, rounded down to the nearest whole share. Fractional Class A Voting Shares and Class B Non-Voting Shares resulting from the adjustment were cancelled in exchange for a cash payment equal to the closing trading price of the Class A Voting Shares or Class B Non-Voting Shares, as applicable, on December 9, 2016, multiplied by the fraction cancelled.

F21: The shares reported as owned on this Form 4 do not include the shares, which the reporting persons may be deemed to beneficially own as a result of that certain Voting and Standstill Agreement, by and among the Issuer, Liberty Global Incorporated Limited, a limited company organized under the laws of England and Wales ("Liberty"), Discovery Lightning Investments Ltd., a limited company organized under the laws of England and Wales ("Discovery" and, together with Liberty, the "Buyers"), the parent companies of the Buyers, John C. Malone, Master Account, Capital Partners (100), Institutional Partners II, Institutional Partners IIA, Institutional Partners III and Fund Management, but as to which they have no pecuniary interest.

F5: These are restricted share units granted by the Issuer, payable upon vesting in an equal number of Class B Non-Voting Shares, which are scheduled to vest in three equal annual installments beginning on September 13, 2017.

Row 9 · 2016-12-08 · Other · Acquired 253 · Balance 253

F1: Pursuant to a reclassification exempt under Rule 16b-7, each common share, no par value (the "Common Shares"), was reclassified (the "Reclassification") into 0.5 Class A voting share, no par value (the "Class A Voting Shares"), and 0.5 Class B non-voting share, no par value (the "Class B Non-Voting Shares"). Restricted share units granted prior to the Reclassification were equitably adjusted in connection with the Reclassification.

F2: Upon the completion of the Reclassification, each restricted share unit award was adjusted to cover (a) a number of Class A Voting Shares equal to the number of Common Shares subject to the restricted share unit award immediately prior to the Reclassification, multiplied by 0.5, rounded down to the nearest whole share and (b) a number of Class B Non-Voting Shares equal to the number of Common Shares subject to the restricted share unit award immediately prior to the Reclassification, multiplied by 0.5, rounded down to the nearest whole share. Fractional Class A Voting Shares and Class B Non-Voting Shares resulting from the adjustment were cancelled in exchange for a cash payment equal to the closing trading price of the Class A Voting Shares or Class B Non-Voting Shares, as applicable, on December 9, 2016, multiplied by the fraction cancelled.

F21: The shares reported as owned on this Form 4 do not include the shares, which the reporting persons may be deemed to beneficially own as a result of that certain Voting and Standstill Agreement, by and among the Issuer, Liberty Global Incorporated Limited, a limited company organized under the laws of England and Wales ("Liberty"), Discovery Lightning Investments Ltd., a limited company organized under the laws of England and Wales ("Discovery" and, together with Liberty, the "Buyers"), the parent companies of the Buyers, John C. Malone, Master Account, Capital Partners (100), Institutional Partners II, Institutional Partners IIA, Institutional Partners III and Fund Management, but as to which they have no pecuniary interest.

F8: These are restricted share units granted by the Issuer, payable upon vesting in an equal number of Class B Non-Voting Shares, which are scheduled to on September 9, 2017.

Row 12 · 2016-12-08 · Other · Acquired 432 · Balance 432

F1: Pursuant to a reclassification exempt under Rule 16b-7, each common share, no par value (the "Common Shares"), was reclassified (the "Reclassification") into 0.5 Class A voting share, no par value (the "Class A Voting Shares"), and 0.5 Class B non-voting share, no par value (the "Class B Non-Voting Shares"). Restricted share units granted prior to the Reclassification were equitably adjusted in connection with the Reclassification.

F2: Upon the completion of the Reclassification, each restricted share unit award was adjusted to cover (a) a number of Class A Voting Shares equal to the number of Common Shares subject to the restricted share unit award immediately prior to the Reclassification, multiplied by 0.5, rounded down to the nearest whole share and (b) a number of Class B Non-Voting Shares equal to the number of Common Shares subject to the restricted share unit award immediately prior to the Reclassification, multiplied by 0.5, rounded down to the nearest whole share. Fractional Class A Voting Shares and Class B Non-Voting Shares resulting from the adjustment were cancelled in exchange for a cash payment equal to the closing trading price of the Class A Voting Shares or Class B Non-Voting Shares, as applicable, on December 9, 2016, multiplied by the fraction cancelled.

F21: The shares reported as owned on this Form 4 do not include the shares, which the reporting persons may be deemed to beneficially own as a result of that certain Voting and Standstill Agreement, by and among the Issuer, Liberty Global Incorporated Limited, a limited company organized under the laws of England and Wales ("Liberty"), Discovery Lightning Investments Ltd., a limited company organized under the laws of England and Wales ("Discovery" and, together with Liberty, the "Buyers"), the parent companies of the Buyers, John C. Malone, Master Account, Capital Partners (100), Institutional Partners II, Institutional Partners IIA, Institutional Partners III and Fund Management, but as to which they have no pecuniary interest.

F11: These are restricted share units granted by the Issuer, payable upon vesting in an equal number of Class B Non-Voting Shares, which are scheduled to vest in two equal annual installments beginning on September 15, 2017.

Row 13 · 2016-12-08 · Other · Disposed 1,396,767 · Balance 0

F1: Pursuant to a reclassification exempt under Rule 16b-7, each common share, no par value (the "Common Shares"), was reclassified (the "Reclassification") into 0.5 Class A voting share, no par value (the "Class A Voting Shares"), and 0.5 Class B non-voting share, no par value (the "Class B Non-Voting Shares"). Restricted share units granted prior to the Reclassification were equitably adjusted in connection with the Reclassification.

F12: These shares are held for the account of MHR Capital Partners Master Account LP, an Anguilla, British West Indies limited partnership ("Master Account"). MHR Advisors LLC, a Delaware limited liability company ("Advisors"), is the general partner of Master Account. MHRC LLC, a Delaware limited liability company ("MHRC"), is the managing member of Advisors. Mark H. Rachesky, M.D. ("Dr. Rachesky") is the managing member of MHRC. MHR Fund Management LLC ("Fund Management") has an investment management agreement with Master Account pursuant to which it has the power to vote or direct the vote and to dispose or to direct the disposition of the shares held for the account of Master Account. MHR Holdings LLC, a Delaware limited liability company ("MHR Holdings"), is the managing member of Fund Management. (Continued to footnote 13)

F13: Accordingly, Advisors, MHRC, Fund Management, MHR Holdings and Dr. Rachesky may be deemed to beneficially own the shares held for the account of Master Account. Each of Advisors, MHRC, Fund Management, MHR Holdings and Dr. Rachesky disclaims beneficial ownership of such shares except to the extent of their pecuniary interest therein.

Row 16 · 2016-12-08 · Other · Disposed 186,617 · Balance 0

F1: Pursuant to a reclassification exempt under Rule 16b-7, each common share, no par value (the "Common Shares"), was reclassified (the "Reclassification") into 0.5 Class A voting share, no par value (the "Class A Voting Shares"), and 0.5 Class B non-voting share, no par value (the "Class B Non-Voting Shares"). Restricted share units granted prior to the Reclassification were equitably adjusted in connection with the Reclassification.

F14: These shares are held for the account of MHR Capital Partners (100) LP, a Delaware limited partnership ("Capital Partners (100)"). Advisors is the general partner of Capital Partners (100). MHRC is the managing member of Advisors. Dr. Rachesky is the managing member of MHRC. Fund Management has an investment management agreement with Capital Partners (100) pursuant to which it has the power to vote or direct the vote and to dispose or to direct the disposition of the shares held for the account of Capital Partners (100). MHR Holdings is the managing member of Fund Management. Accordingly, Advisors, MHRC, Fund Management, MHR Holdings and Dr. Rachesky may be deemed to beneficially own the shares held for the account of Capital Partners (100). Each of Advisors, MHRC, Fund Management, MHR Holdings and Dr. Rachesky disclaims beneficial ownership of such shares except to the extent of their pecuniary interest therein.

Row 19 · 2016-12-08 · Other · Disposed 1,386,275 · Balance 0

F1: Pursuant to a reclassification exempt under Rule 16b-7, each common share, no par value (the "Common Shares"), was reclassified (the "Reclassification") into 0.5 Class A voting share, no par value (the "Class A Voting Shares"), and 0.5 Class B non-voting share, no par value (the "Class B Non-Voting Shares"). Restricted share units granted prior to the Reclassification were equitably adjusted in connection with the Reclassification.

F15: These shares are held for the account of MHR Institutional Partners II LP, a Delaware limited partnership ("Institutional Partners II"). MHR Institutional Advisors II LLC, a Delaware limited liability company ("Institutional Advisors II"), is the general partner of Institutional Partners II. MHRC II LLC, a Delaware limited liability company ("MHRC II"), is the managing member of Institutional Advisors II. Dr. Rachesky is the managing member of MHRC II. Fund Management has an investment management agreement with Institutional Partners II pursuant to which it has the power to vote or direct the vote and to dispose or to direct the disposition of the shares held for the account of Institutional Partners II. MHR Holdings is the managing member of Fund Management. (Continued to footnote 16)

F16: Accordingly, Institutional Advisors II, MHRC II, Fund Management, MHR Holdings and Dr. Rachesky may be deemed to beneficially own the shares held for the account of Institutional Partners II. Each of Institutional Advisors II, MHRC II, Fund Management, MHR Holdings and Dr. Rachesky disclaims beneficial ownership of such shares except to the extent of their pecuniary interest therein.

Row 22 · 2016-12-08 · Other · Disposed 3,492,443 · Balance 0

F1: Pursuant to a reclassification exempt under Rule 16b-7, each common share, no par value (the "Common Shares"), was reclassified (the "Reclassification") into 0.5 Class A voting share, no par value (the "Class A Voting Shares"), and 0.5 Class B non-voting share, no par value (the "Class B Non-Voting Shares"). Restricted share units granted prior to the Reclassification were equitably adjusted in connection with the Reclassification.

F17: These shares are held for the account of MHR Institutional Partners IIA LP, a Delaware limited partnership ("Institutional Partners IIA"). Institutional Advisors II is the general partner of Institutional Partners IIA. MHRC II is the managing member of Institutional Advisors II. Dr. Rachesky is the managing member of MHRC II. Fund Management has an investment management agreement with Institutional Partners IIA pursuant to which it has the power to vote or direct the vote and to dispose or to direct the disposition of the shares held for the account of Institutional Partners IIA. MHR Holdings is the managing member of Fund Management. (Continued to footnote 18)

F18: Accordingly, Institutional Advisors II, MHRC II, Fund Management, MHR Holdings and Dr. Rachesky may be deemed to beneficially own the shares held for the account of Institutional Partners IIA. Each of Institutional Advisors II, MHRC II, Fund Management, MHR Holdings and Dr. Rachesky disclaims beneficial ownership of such shares except to the extent of their pecuniary interest therein.

Row 25 · 2016-12-08 · Other · Disposed 23,748,947 · Balance 0

F1: Pursuant to a reclassification exempt under Rule 16b-7, each common share, no par value (the "Common Shares"), was reclassified (the "Reclassification") into 0.5 Class A voting share, no par value (the "Class A Voting Shares"), and 0.5 Class B non-voting share, no par value (the "Class B Non-Voting Shares"). Restricted share units granted prior to the Reclassification were equitably adjusted in connection with the Reclassification.

F19: These shares are held for the account of Institutional Partners III LP, a Delaware limited partnership ("Institutional Partners III"). MHR Institutional Advisors III LLC, a Delaware limited liability company ("Institutional Advisors III"), is the general partner of Institutional Partners III. Dr. Rachesky is the managing member of Institutional Advisors III. Fund Management is an affiliate of, and has an investment management agreement with, Institutional Partners III pursuant to which it has the power to vote or direct the vote and to dispose or to direct the disposition of the shares held for the account of Institutional Partners III. MHR Holdings is the managing member of Fund Management. (Continued to footnote 20)

F20: Accordingly, Institutional Advisors III, Fund Management, MHR Holdings and Dr. Rachesky may be deemed to beneficially own the shares held for the account of Institutional Partners III. Each of Institutional Advisors III, Fund Management, MHR Holdings and Dr. Rachesky disclaims beneficial ownership of such shares except to the extent of their pecuniary interest therein.

Row 14 · 2016-12-08 · Other · Acquired 698,384 · Balance 698,384

F1: Pursuant to a reclassification exempt under Rule 16b-7, each common share, no par value (the "Common Shares"), was reclassified (the "Reclassification") into 0.5 Class A voting share, no par value (the "Class A Voting Shares"), and 0.5 Class B non-voting share, no par value (the "Class B Non-Voting Shares"). Restricted share units granted prior to the Reclassification were equitably adjusted in connection with the Reclassification.

F21: The shares reported as owned on this Form 4 do not include the shares, which the reporting persons may be deemed to beneficially own as a result of that certain Voting and Standstill Agreement, by and among the Issuer, Liberty Global Incorporated Limited, a limited company organized under the laws of England and Wales ("Liberty"), Discovery Lightning Investments Ltd., a limited company organized under the laws of England and Wales ("Discovery" and, together with Liberty, the "Buyers"), the parent companies of the Buyers, John C. Malone, Master Account, Capital Partners (100), Institutional Partners II, Institutional Partners IIA, Institutional Partners III and Fund Management, but as to which they have no pecuniary interest.

F12: These shares are held for the account of MHR Capital Partners Master Account LP, an Anguilla, British West Indies limited partnership ("Master Account"). MHR Advisors LLC, a Delaware limited liability company ("Advisors"), is the general partner of Master Account. MHRC LLC, a Delaware limited liability company ("MHRC"), is the managing member of Advisors. Mark H. Rachesky, M.D. ("Dr. Rachesky") is the managing member of MHRC. MHR Fund Management LLC ("Fund Management") has an investment management agreement with Master Account pursuant to which it has the power to vote or direct the vote and to dispose or to direct the disposition of the shares held for the account of Master Account. MHR Holdings LLC, a Delaware limited liability company ("MHR Holdings"), is the managing member of Fund Management. (Continued to footnote 13)

F13: Accordingly, Advisors, MHRC, Fund Management, MHR Holdings and Dr. Rachesky may be deemed to beneficially own the shares held for the account of Master Account. Each of Advisors, MHRC, Fund Management, MHR Holdings and Dr. Rachesky disclaims beneficial ownership of such shares except to the extent of their pecuniary interest therein.

Row 17 · 2016-12-08 · Other · Acquired 93,309 · Balance 93,309

F1: Pursuant to a reclassification exempt under Rule 16b-7, each common share, no par value (the "Common Shares"), was reclassified (the "Reclassification") into 0.5 Class A voting share, no par value (the "Class A Voting Shares"), and 0.5 Class B non-voting share, no par value (the "Class B Non-Voting Shares"). Restricted share units granted prior to the Reclassification were equitably adjusted in connection with the Reclassification.

F21: The shares reported as owned on this Form 4 do not include the shares, which the reporting persons may be deemed to beneficially own as a result of that certain Voting and Standstill Agreement, by and among the Issuer, Liberty Global Incorporated Limited, a limited company organized under the laws of England and Wales ("Liberty"), Discovery Lightning Investments Ltd., a limited company organized under the laws of England and Wales ("Discovery" and, together with Liberty, the "Buyers"), the parent companies of the Buyers, John C. Malone, Master Account, Capital Partners (100), Institutional Partners II, Institutional Partners IIA, Institutional Partners III and Fund Management, but as to which they have no pecuniary interest.

F14: These shares are held for the account of MHR Capital Partners (100) LP, a Delaware limited partnership ("Capital Partners (100)"). Advisors is the general partner of Capital Partners (100). MHRC is the managing member of Advisors. Dr. Rachesky is the managing member of MHRC. Fund Management has an investment management agreement with Capital Partners (100) pursuant to which it has the power to vote or direct the vote and to dispose or to direct the disposition of the shares held for the account of Capital Partners (100). MHR Holdings is the managing member of Fund Management. Accordingly, Advisors, MHRC, Fund Management, MHR Holdings and Dr. Rachesky may be deemed to beneficially own the shares held for the account of Capital Partners (100). Each of Advisors, MHRC, Fund Management, MHR Holdings and Dr. Rachesky disclaims beneficial ownership of such shares except to the extent of their pecuniary interest therein.

Row 20 · 2016-12-08 · Other · Acquired 693,138 · Balance 693,138

F1: Pursuant to a reclassification exempt under Rule 16b-7, each common share, no par value (the "Common Shares"), was reclassified (the "Reclassification") into 0.5 Class A voting share, no par value (the "Class A Voting Shares"), and 0.5 Class B non-voting share, no par value (the "Class B Non-Voting Shares"). Restricted share units granted prior to the Reclassification were equitably adjusted in connection with the Reclassification.

F21: The shares reported as owned on this Form 4 do not include the shares, which the reporting persons may be deemed to beneficially own as a result of that certain Voting and Standstill Agreement, by and among the Issuer, Liberty Global Incorporated Limited, a limited company organized under the laws of England and Wales ("Liberty"), Discovery Lightning Investments Ltd., a limited company organized under the laws of England and Wales ("Discovery" and, together with Liberty, the "Buyers"), the parent companies of the Buyers, John C. Malone, Master Account, Capital Partners (100), Institutional Partners II, Institutional Partners IIA, Institutional Partners III and Fund Management, but as to which they have no pecuniary interest.

F15: These shares are held for the account of MHR Institutional Partners II LP, a Delaware limited partnership ("Institutional Partners II"). MHR Institutional Advisors II LLC, a Delaware limited liability company ("Institutional Advisors II"), is the general partner of Institutional Partners II. MHRC II LLC, a Delaware limited liability company ("MHRC II"), is the managing member of Institutional Advisors II. Dr. Rachesky is the managing member of MHRC II. Fund Management has an investment management agreement with Institutional Partners II pursuant to which it has the power to vote or direct the vote and to dispose or to direct the disposition of the shares held for the account of Institutional Partners II. MHR Holdings is the managing member of Fund Management. (Continued to footnote 16)

F16: Accordingly, Institutional Advisors II, MHRC II, Fund Management, MHR Holdings and Dr. Rachesky may be deemed to beneficially own the shares held for the account of Institutional Partners II. Each of Institutional Advisors II, MHRC II, Fund Management, MHR Holdings and Dr. Rachesky disclaims beneficial ownership of such shares except to the extent of their pecuniary interest therein.

Row 23 · 2016-12-08 · Other · Acquired 1,746,222 · Balance 1,746,222

F1: Pursuant to a reclassification exempt under Rule 16b-7, each common share, no par value (the "Common Shares"), was reclassified (the "Reclassification") into 0.5 Class A voting share, no par value (the "Class A Voting Shares"), and 0.5 Class B non-voting share, no par value (the "Class B Non-Voting Shares"). Restricted share units granted prior to the Reclassification were equitably adjusted in connection with the Reclassification.

F21: The shares reported as owned on this Form 4 do not include the shares, which the reporting persons may be deemed to beneficially own as a result of that certain Voting and Standstill Agreement, by and among the Issuer, Liberty Global Incorporated Limited, a limited company organized under the laws of England and Wales ("Liberty"), Discovery Lightning Investments Ltd., a limited company organized under the laws of England and Wales ("Discovery" and, together with Liberty, the "Buyers"), the parent companies of the Buyers, John C. Malone, Master Account, Capital Partners (100), Institutional Partners II, Institutional Partners IIA, Institutional Partners III and Fund Management, but as to which they have no pecuniary interest.

F17: These shares are held for the account of MHR Institutional Partners IIA LP, a Delaware limited partnership ("Institutional Partners IIA"). Institutional Advisors II is the general partner of Institutional Partners IIA. MHRC II is the managing member of Institutional Advisors II. Dr. Rachesky is the managing member of MHRC II. Fund Management has an investment management agreement with Institutional Partners IIA pursuant to which it has the power to vote or direct the vote and to dispose or to direct the disposition of the shares held for the account of Institutional Partners IIA. MHR Holdings is the managing member of Fund Management. (Continued to footnote 18)

F18: Accordingly, Institutional Advisors II, MHRC II, Fund Management, MHR Holdings and Dr. Rachesky may be deemed to beneficially own the shares held for the account of Institutional Partners IIA. Each of Institutional Advisors II, MHRC II, Fund Management, MHR Holdings and Dr. Rachesky disclaims beneficial ownership of such shares except to the extent of their pecuniary interest therein.

Row 26 · 2016-12-08 · Other · Acquired 11,874,474 · Balance 11,874,474

F1: Pursuant to a reclassification exempt under Rule 16b-7, each common share, no par value (the "Common Shares"), was reclassified (the "Reclassification") into 0.5 Class A voting share, no par value (the "Class A Voting Shares"), and 0.5 Class B non-voting share, no par value (the "Class B Non-Voting Shares"). Restricted share units granted prior to the Reclassification were equitably adjusted in connection with the Reclassification.

F21: The shares reported as owned on this Form 4 do not include the shares, which the reporting persons may be deemed to beneficially own as a result of that certain Voting and Standstill Agreement, by and among the Issuer, Liberty Global Incorporated Limited, a limited company organized under the laws of England and Wales ("Liberty"), Discovery Lightning Investments Ltd., a limited company organized under the laws of England and Wales ("Discovery" and, together with Liberty, the "Buyers"), the parent companies of the Buyers, John C. Malone, Master Account, Capital Partners (100), Institutional Partners II, Institutional Partners IIA, Institutional Partners III and Fund Management, but as to which they have no pecuniary interest.

F19: These shares are held for the account of Institutional Partners III LP, a Delaware limited partnership ("Institutional Partners III"). MHR Institutional Advisors III LLC, a Delaware limited liability company ("Institutional Advisors III"), is the general partner of Institutional Partners III. Dr. Rachesky is the managing member of Institutional Advisors III. Fund Management is an affiliate of, and has an investment management agreement with, Institutional Partners III pursuant to which it has the power to vote or direct the vote and to dispose or to direct the disposition of the shares held for the account of Institutional Partners III. MHR Holdings is the managing member of Fund Management. (Continued to footnote 20)

F20: Accordingly, Institutional Advisors III, Fund Management, MHR Holdings and Dr. Rachesky may be deemed to beneficially own the shares held for the account of Institutional Partners III. Each of Institutional Advisors III, Fund Management, MHR Holdings and Dr. Rachesky disclaims beneficial ownership of such shares except to the extent of their pecuniary interest therein.

Row 15 · 2016-12-08 · Other · Acquired 698,384 · Balance 698,384

F1: Pursuant to a reclassification exempt under Rule 16b-7, each common share, no par value (the "Common Shares"), was reclassified (the "Reclassification") into 0.5 Class A voting share, no par value (the "Class A Voting Shares"), and 0.5 Class B non-voting share, no par value (the "Class B Non-Voting Shares"). Restricted share units granted prior to the Reclassification were equitably adjusted in connection with the Reclassification.

F21: The shares reported as owned on this Form 4 do not include the shares, which the reporting persons may be deemed to beneficially own as a result of that certain Voting and Standstill Agreement, by and among the Issuer, Liberty Global Incorporated Limited, a limited company organized under the laws of England and Wales ("Liberty"), Discovery Lightning Investments Ltd., a limited company organized under the laws of England and Wales ("Discovery" and, together with Liberty, the "Buyers"), the parent companies of the Buyers, John C. Malone, Master Account, Capital Partners (100), Institutional Partners II, Institutional Partners IIA, Institutional Partners III and Fund Management, but as to which they have no pecuniary interest.

F12: These shares are held for the account of MHR Capital Partners Master Account LP, an Anguilla, British West Indies limited partnership ("Master Account"). MHR Advisors LLC, a Delaware limited liability company ("Advisors"), is the general partner of Master Account. MHRC LLC, a Delaware limited liability company ("MHRC"), is the managing member of Advisors. Mark H. Rachesky, M.D. ("Dr. Rachesky") is the managing member of MHRC. MHR Fund Management LLC ("Fund Management") has an investment management agreement with Master Account pursuant to which it has the power to vote or direct the vote and to dispose or to direct the disposition of the shares held for the account of Master Account. MHR Holdings LLC, a Delaware limited liability company ("MHR Holdings"), is the managing member of Fund Management. (Continued to footnote 13)

F13: Accordingly, Advisors, MHRC, Fund Management, MHR Holdings and Dr. Rachesky may be deemed to beneficially own the shares held for the account of Master Account. Each of Advisors, MHRC, Fund Management, MHR Holdings and Dr. Rachesky disclaims beneficial ownership of such shares except to the extent of their pecuniary interest therein.

Row 18 · 2016-12-08 · Other · Acquired 93,309 · Balance 93,309

F1: Pursuant to a reclassification exempt under Rule 16b-7, each common share, no par value (the "Common Shares"), was reclassified (the "Reclassification") into 0.5 Class A voting share, no par value (the "Class A Voting Shares"), and 0.5 Class B non-voting share, no par value (the "Class B Non-Voting Shares"). Restricted share units granted prior to the Reclassification were equitably adjusted in connection with the Reclassification.

F21: The shares reported as owned on this Form 4 do not include the shares, which the reporting persons may be deemed to beneficially own as a result of that certain Voting and Standstill Agreement, by and among the Issuer, Liberty Global Incorporated Limited, a limited company organized under the laws of England and Wales ("Liberty"), Discovery Lightning Investments Ltd., a limited company organized under the laws of England and Wales ("Discovery" and, together with Liberty, the "Buyers"), the parent companies of the Buyers, John C. Malone, Master Account, Capital Partners (100), Institutional Partners II, Institutional Partners IIA, Institutional Partners III and Fund Management, but as to which they have no pecuniary interest.

F14: These shares are held for the account of MHR Capital Partners (100) LP, a Delaware limited partnership ("Capital Partners (100)"). Advisors is the general partner of Capital Partners (100). MHRC is the managing member of Advisors. Dr. Rachesky is the managing member of MHRC. Fund Management has an investment management agreement with Capital Partners (100) pursuant to which it has the power to vote or direct the vote and to dispose or to direct the disposition of the shares held for the account of Capital Partners (100). MHR Holdings is the managing member of Fund Management. Accordingly, Advisors, MHRC, Fund Management, MHR Holdings and Dr. Rachesky may be deemed to beneficially own the shares held for the account of Capital Partners (100). Each of Advisors, MHRC, Fund Management, MHR Holdings and Dr. Rachesky disclaims beneficial ownership of such shares except to the extent of their pecuniary interest therein.

Row 21 · 2016-12-08 · Other · Acquired 693,138 · Balance 693,138

F1: Pursuant to a reclassification exempt under Rule 16b-7, each common share, no par value (the "Common Shares"), was reclassified (the "Reclassification") into 0.5 Class A voting share, no par value (the "Class A Voting Shares"), and 0.5 Class B non-voting share, no par value (the "Class B Non-Voting Shares"). Restricted share units granted prior to the Reclassification were equitably adjusted in connection with the Reclassification.

F21: The shares reported as owned on this Form 4 do not include the shares, which the reporting persons may be deemed to beneficially own as a result of that certain Voting and Standstill Agreement, by and among the Issuer, Liberty Global Incorporated Limited, a limited company organized under the laws of England and Wales ("Liberty"), Discovery Lightning Investments Ltd., a limited company organized under the laws of England and Wales ("Discovery" and, together with Liberty, the "Buyers"), the parent companies of the Buyers, John C. Malone, Master Account, Capital Partners (100), Institutional Partners II, Institutional Partners IIA, Institutional Partners III and Fund Management, but as to which they have no pecuniary interest.

F15: These shares are held for the account of MHR Institutional Partners II LP, a Delaware limited partnership ("Institutional Partners II"). MHR Institutional Advisors II LLC, a Delaware limited liability company ("Institutional Advisors II"), is the general partner of Institutional Partners II. MHRC II LLC, a Delaware limited liability company ("MHRC II"), is the managing member of Institutional Advisors II. Dr. Rachesky is the managing member of MHRC II. Fund Management has an investment management agreement with Institutional Partners II pursuant to which it has the power to vote or direct the vote and to dispose or to direct the disposition of the shares held for the account of Institutional Partners II. MHR Holdings is the managing member of Fund Management. (Continued to footnote 16)

F16: Accordingly, Institutional Advisors II, MHRC II, Fund Management, MHR Holdings and Dr. Rachesky may be deemed to beneficially own the shares held for the account of Institutional Partners II. Each of Institutional Advisors II, MHRC II, Fund Management, MHR Holdings and Dr. Rachesky disclaims beneficial ownership of such shares except to the extent of their pecuniary interest therein.

Row 24 · 2016-12-08 · Other · Acquired 1,746,222 · Balance 1,746,222

F1: Pursuant to a reclassification exempt under Rule 16b-7, each common share, no par value (the "Common Shares"), was reclassified (the "Reclassification") into 0.5 Class A voting share, no par value (the "Class A Voting Shares"), and 0.5 Class B non-voting share, no par value (the "Class B Non-Voting Shares"). Restricted share units granted prior to the Reclassification were equitably adjusted in connection with the Reclassification.

F21: The shares reported as owned on this Form 4 do not include the shares, which the reporting persons may be deemed to beneficially own as a result of that certain Voting and Standstill Agreement, by and among the Issuer, Liberty Global Incorporated Limited, a limited company organized under the laws of England and Wales ("Liberty"), Discovery Lightning Investments Ltd., a limited company organized under the laws of England and Wales ("Discovery" and, together with Liberty, the "Buyers"), the parent companies of the Buyers, John C. Malone, Master Account, Capital Partners (100), Institutional Partners II, Institutional Partners IIA, Institutional Partners III and Fund Management, but as to which they have no pecuniary interest.

F17: These shares are held for the account of MHR Institutional Partners IIA LP, a Delaware limited partnership ("Institutional Partners IIA"). Institutional Advisors II is the general partner of Institutional Partners IIA. MHRC II is the managing member of Institutional Advisors II. Dr. Rachesky is the managing member of MHRC II. Fund Management has an investment management agreement with Institutional Partners IIA pursuant to which it has the power to vote or direct the vote and to dispose or to direct the disposition of the shares held for the account of Institutional Partners IIA. MHR Holdings is the managing member of Fund Management. (Continued to footnote 18)

F18: Accordingly, Institutional Advisors II, MHRC II, Fund Management, MHR Holdings and Dr. Rachesky may be deemed to beneficially own the shares held for the account of Institutional Partners IIA. Each of Institutional Advisors II, MHRC II, Fund Management, MHR Holdings and Dr. Rachesky disclaims beneficial ownership of such shares except to the extent of their pecuniary interest therein.

Row 27 · 2016-12-08 · Other · Acquired 11,874,474 · Balance 11,874,474

F1: Pursuant to a reclassification exempt under Rule 16b-7, each common share, no par value (the "Common Shares"), was reclassified (the "Reclassification") into 0.5 Class A voting share, no par value (the "Class A Voting Shares"), and 0.5 Class B non-voting share, no par value (the "Class B Non-Voting Shares"). Restricted share units granted prior to the Reclassification were equitably adjusted in connection with the Reclassification.

F21: The shares reported as owned on this Form 4 do not include the shares, which the reporting persons may be deemed to beneficially own as a result of that certain Voting and Standstill Agreement, by and among the Issuer, Liberty Global Incorporated Limited, a limited company organized under the laws of England and Wales ("Liberty"), Discovery Lightning Investments Ltd., a limited company organized under the laws of England and Wales ("Discovery" and, together with Liberty, the "Buyers"), the parent companies of the Buyers, John C. Malone, Master Account, Capital Partners (100), Institutional Partners II, Institutional Partners IIA, Institutional Partners III and Fund Management, but as to which they have no pecuniary interest.

F19: These shares are held for the account of Institutional Partners III LP, a Delaware limited partnership ("Institutional Partners III"). MHR Institutional Advisors III LLC, a Delaware limited liability company ("Institutional Advisors III"), is the general partner of Institutional Partners III. Dr. Rachesky is the managing member of Institutional Advisors III. Fund Management is an affiliate of, and has an investment management agreement with, Institutional Partners III pursuant to which it has the power to vote or direct the vote and to dispose or to direct the disposition of the shares held for the account of Institutional Partners III. MHR Holdings is the managing member of Fund Management. (Continued to footnote 20)

F20: Accordingly, Institutional Advisors III, Fund Management, MHR Holdings and Dr. Rachesky may be deemed to beneficially own the shares held for the account of Institutional Partners III. Each of Institutional Advisors III, Fund Management, MHR Holdings and Dr. Rachesky disclaims beneficial ownership of such shares except to the extent of their pecuniary interest therein.

Row 2 · 2024-10-18 · Other · Disposed 715,138 · Balance 0

F7: These shares of Common Stock were repurchased by the Issuer on October 18, 2024 pursuant to a privately negotiated transaction.

F1: These shares of Common Stock (the "Common Stock") are held for the account of MHR Capital Partners Master Account LP, an Anguilla, British West Indies limited partnership ("Master Account"). MHR Advisors LLC, a Delaware limited liability company ("Advisors"), is the general partner of Master Account.MHRC LLC, a Delaware limited liability company ("MHRC"), is the managing member of Advisors. Mark H. Rachesky, M.D. ("Dr. Rachesky") is the managing member of MHRC. MHR Fund Management LLC ("Fund Management") has an investment management agreement with Master Account pursuant to which it has the power to vote or direct the vote and to dispose or to direct the disposition of the Common Stock held for the account of Master Account. MHR Holdings LLC, a Delaware limited liability company ("MHR Holdings"), is the managing member of Fund Management. (Continued in Footnote 2)

F2: (Continued from Footnote 1) Accordingly, Advisors, MHRC, Fund Management, MHR Holdings and Dr. Rachesky may be deemed to beneficially own the Common Stock held for the account of Master Account. Each of Advisors, MHRC, Fund Management, MHR Holdings and Dr. Rachesky disclaims beneficial ownership of such Common Stock except to the extent of their pecuniary interest therein.

Row 3 · 2024-10-18 · Other · Disposed 89,435 · Balance 0

F7: These shares of Common Stock were repurchased by the Issuer on October 18, 2024 pursuant to a privately negotiated transaction.

F3: These shares of Common Stock are held for the account of MHR Capital Partners (100) LP, a Delaware limited partnership ("Capital Partners (100)"). Advisors is the general partner of Capital Partners (100). MHRC is the managing member of Advisors. Dr. Rachesky is the managing member of MHRC. Fund Management has an investment management agreement with Capital Partners (100) pursuant to which it has the power to vote or direct the vote and to dispose or to direct the disposition of the securities held for the account of Capital Partners (100). MHR Holdings is the managing member of Fund Management. Accordingly, Advisors, MHRC, Fund Management, MHR Holdings and Dr. Rachesky may be deemed to beneficially own the Common Stock for the account of Capital Partners (100). Each of Advisors, MHRC, Fund Management, MHR Holdings and Dr. Rachesky disclaims beneficial ownership of such Common Stock except to the extent of their pecuniary interest therein.

Row 4 · 2024-10-18 · Other · Disposed 7,200,427 · Balance 0

F7: These shares of Common Stock were repurchased by the Issuer on October 18, 2024 pursuant to a privately negotiated transaction.

F4: These shares of Common Stock are held for the account of MHR Institutional Partners III LP, a Delaware limited partnership ("Institutional Partners III"). MHR Institutional Advisors III LLC, a Delaware limited liability company ("Institutional Advisors III"), is the general partner of Institutional Partners III. Dr.Rachesky is the managing member of Institutional Advisors III. Fund Management has an investment management agreement with Institutional Partners III pursuant to which it has the power to vote or direct the vote and to dispose or to direct the disposition of the Common Stock held for the account of Institutional Partners III. MHR Holdings is the managing member of Fund Management. (Continued in Footnote 5)

F5: (Continued from Footnote 4) Accordingly, Institutional Advisors III, Fund Management, MHR Holdings and Dr. Rachesky may be deemed to beneficially own the Common Stock held for the account of Institutional Partners III. Each of Institutional Advisors III, Fund Management, MHR Holdings and Dr.Rachesky disclaims beneficial ownership of such Common Stock except to the extent of their pecuniary interst therein.

Row 1 · Balance 24,177

F6: These are restricted stock units granted by the Issuer, payable upon vesting in an equal number of shares of Common Stock, which are scheduled to vest on June 13, 2025.

Row 5 · Balance 213,291