13D Filing: Engaged Capital I LP and Magnachip Semiconductor Corp (MX)

Each of the Reporting
Persons, as a member of a “group” with the other Reporting Persons for purposes of the Exchange Act, may be deemed
to beneficially own the securities of the Issuer beneficially owned by the other Reporting Persons. The filing of this Schedule
13D shall not be deemed an admission that the Reporting Persons are, for purposes of Section 13(d) of the Exchange Act, the beneficial
owners of any securities of the Issuer he or it does not directly own. Each of the Reporting Persons specifically disclaims beneficial
ownership of the securities reported herein that he or it does not directly own.

(b)       By
virtue of their respective positions with Engaged Capital Flagship Master, each of Engaged Capital Fund, Engaged Capital Offshore,
Engaged Capital, Engaged Holdings and Mr. Welling may be deemed to have sole power to vote and dispose of the Shares reported owned
by Engaged Capital Flagship Master.

By virtue of their
respective positions with the Engaged Capital Account, each of Engaged Capital, Engaged Holdings and Mr. Welling may be deemed
to have sole power to vote and dispose of the Shares held in the Engaged Capital Account.

(c)       Except
as set forth in Schedule A hereto, there were no transactions in the securities of the Issuer by the Reporting Persons during
the past 60 days.