EXHIBIT 99.1

JOINT FILING AGREEMENT

In accordance with Rule 13d-1(k) (1) (iii) under the Securities Exchange Act of 1934, as amended, the persons named below agree to the joint filing on behalf of each of them of a Statement on Schedule 13G dated June 25, 2010 (including amendments thereto) with respect to the Common Stock of MagnaChip Semiconductor Corporation. This Joint Filing Agreement shall be filed as an Exhibit to such Statement.

Dated: February 9, 2012

AVENUE INVESTMENTS, L.P.
By:	Avenue Partners, LLC,
	its General Partner
By:	/s/ Eric Ross
	Name: Eric Ross
	Title: Attorney-in-Fact for Marc Lasry, Managing Member
AVENUE INTERNATIONAL MASTER, L.P.
By:	Avenue International Master
	GenPar, Ltd.
	its General Partner
By:	/s/ Eric Ross
	Name: Eric Ross
	Title: Attorney-in-Fact for Marc Lasry, Director
AVENUE INTERNATIONAL, LTD.
By:	/s/ Eric Ross
	Name: Eric Ross
	Title: Attorney-in-Fact for Marc Lasry, Director
AVENUE INTERNATIONAL MASTER GENPAR, LTD.
By:	/s/ Eric Ross
	Name: Eric Ross
	Title: Attorney-in-Fact for Marc Lasry, Director

AVENUE PARTNERS, LLC
By:	/s/ Eric Ross
	Name: Eric Ross
	Title: Attorney-in-Fact for Marc Lasry, Managing Member
AVENUE—CDP GLOBAL OPPORTUNITIES FUND, L.P.
By:	Avenue Global Opportunities Fund GenPar, LLC its General Partner
By:	/s/ Eric Ross
	Name: Eric Ross
	Title: Attorney-in-Fact for Marc Lasry, Managing Member
AVENUE GLOBAL OPPORTUNITIES FUND GENPAR, LLC
By:	/s/ Eric Ross
	Name: Eric Ross
	Title: Attorney-in-Fact for Marc Lasry, Managing Member
AVENUE SPECIAL SITUATIONS FUND IV, L.P.
By:	Avenue Capital Partners IV, LLC, its General Partner
By:	GL Partners IV, LLC, its Managing Member
By:	/s/ Eric Ross
	Name: Eric Ross
	Title: Attorney-in-Fact for Marc Lasry, Managing Member
AVENUE CAPITAL PARTNERS IV, LLC
By:	GL Partners IV, LLC, its Managing Member
By:	/s/ Eric Ross
	Name: Eric Ross
	Title: Attorney-in-Fact for Marc Lasry, Managing Member

GL PARTNERS IV, LLC
By:	/s/ Eric Ross
	Name: Eric Ross
	Title: Attorney-in-Fact for Marc Lasry, Managing Member
AVENUE SPECIAL SITUATIONS FUND V, L.P.
By:	Avenue Capital Partners V, LLC, its General Partner
By:	GL Partners V, LLC, its Managing Member
By:	/s/ Eric Ross
	Name: Eric Ross
	Title: Attorney-in-Fact for Marc Lasry, Managing Member
AVENUE CAPITAL PARTNERS V, LLC
By:	GL Partners V, LLC, its Managing Member
By:	/s/ Eric Ross
	Name: Eric Ross
	Title: Attorney-in-Fact for Marc Lasry, Managing Member
GL PARTNERS V, LLC
By:	/s/ Eric Ross
	Name: Eric Ross
	Title: Attorney-in-Fact for Marc Lasry, Managing Member
AVENUE CAPITAL MANAGEMENT II, L.P.
By:	Avenue Capital Management II GenPar, LLC, its General Partner
By:	/s/ Eric Ross
	Name: Eric Ross
	Title: Attorney-in-Fact for Marc Lasry, Managing Member

AVENUE CAPITAL MANAGEMENT II GENPAR, LLC
By:	/s/ Eric Ross
	Name: Eric Ross
	Title: Attorney-in-Fact for Marc Lasry, Managing Member
MARC LASRY
/s/ Eric Ross, Attorney-in-Fact for Marc Lasry