Schedule 13D
CUSIP No. 529771107		Page 25 of 27

Exhibit 4

JOINT FILING AGREEMENT

The undersigned agree that the Amendment No. 3 to the Schedule 13D with respect to the Common Stock, par value $0.01 per share, of Lexmark International, Inc., dated as of June 14, 2013, is, and any amendments thereto (including amendments on Schedule 13G) signed by each of the undersigned shall be, filed on behalf of each of them pursuant to and in accordance with the provisions of Rule 13d-1(k) under the Securities Exchange Act of 1934, as amended.

DATED: June 14, 2013

BLUEMOUNTAIN CAPITAL MANAGEMENT, LLC
By:	/s/ PAUL FRIEDMAN
	Paul Friedman, Chief Compliance Officer
BLUEMOUNTAIN GP HOLDINGS, LLC
By:	/s/ PAUL FRIEDMAN
	Paul Friedman, Chief Compliance Officer
BLUE MOUNTAIN CREDIT ALTERNATIVES MASTER FUND L.P. BY: BLUE MOUNTAIN CA MASTER FUND GP, LTD.
By:	/s/ ANDREW FELDSTEIN
	Andrew Feldstein, Director
BLUE MOUNTAIN CA MASTER FUND GP, LTD.
By:	/s/ ANDREW FELDSTEIN
	Andrew Feldstein, Director
BLUEMOUNTAIN LONG/SHORT CREDIT MASTER FUND L.P. BY: BLUEMOUNTAIN LONG/SHORT CREDIT GP, LLC BY: BLUEMOUNTAIN GP HOLDINGS, LLC
By:	/s/ PAUL FRIEDMAN
	Paul Friedman, Chief Compliance Officer
BLUEMOUNTAIN LONG/SHORT CREDIT GP, LLC BY: BLUEMOUNTAIN GP HOLDINGS, LLC
By:	/s/ PAUL FRIEDMAN
	Paul Friedman, Chief Compliance Officer
BLUEMOUNTAIN DISTRESSED MASTER FUND L.P. BY: BLUEMOUNTAIN DISTRESSED GP, LLC BY: BLUEMOUNTAIN GP HOLDINGS, LLC
By:	/s/ PAUL FRIEDMAN
	Paul Friedman, Chief Compliance Officer

	Schedule 13D
CUSIP No. 529771107		Page 26 of 27

BLUEMOUNTAIN DISTRESSED GP, LLC BY: BLUEMOUNTAIN GP HOLDINGS, LLC
By:	/s/ PAUL FRIEDMAN
	Paul Friedman, Chief Compliance Officer
BLUEMOUNTAIN STRATEGIC CREDIT MASTER FUND L.P. BY: BLUEMOUNTAIN STRATEGIC CREDIT GP, LLC BY: BLUEMOUNTAIN GP HOLDINGS, LLC
By:	/s/ PAUL FRIEDMAN
	Paul Friedman, Chief Compliance Officer
BLUEMOUNTAIN STRATEGIC CREDIT GP, LLC BY: BLUEMOUNTAIN GP HOLDINGS, LLC
By:	/s/ PAUL FRIEDMAN
	Paul Friedman, Chief Compliance Officer
BLUEMOUNTAIN TIMBERLINE LTD.
By:	/s/ ANDREW FELDSTEIN
	Andrew Feldstein, Director
BLUEMOUNTAIN LONG/SHORT CREDIT AND DISTRESSED REFLECTION FUND, A SUB-FUND OF AAI BLUEMOUNTAIN FUND PLC BY: BLUEMOUNTAIN CAPITAL MANAGEMENT, LLC
By:	/s/ PAUL FRIEDMAN
	Paul Friedman, Chief Compliance Officer
BLUEMOUNTAIN KICKING HORSE FUND L.P. BY: BLUEMOUNTAIN CAPITAL MANAGEMENT, LLC
By:	/s/ PAUL FRIEDMAN
	Paul Friedman, Chief Compliance Officer
BLUEMOUNTAIN KICKING HORSE FUND GP, LLC BY: BLUEMOUNTAIN GP HOLDINGS, LLC
By:	/s/ PAUL FRIEDMAN
	Paul Friedman, Chief Compliance Officer

	Schedule 13D
CUSIP No. 529771107		Page 27 of 27

BLUEMOUNTAIN CREDIT OPPORTUNITIES MASTER FUND I L.P. BY: BLUEMOUNTAIN CAPITAL MANAGEMENT, LLC
By:	/s/ PAUL FRIEDMAN
	Paul Friedman, Chief Compliance Officer
BLUEMOUNTAIN CREDIT OPPORTUNITIES GP I, LLC BY: BLUEMOUNTAIN GP HOLDINGS, LLC
By:	/s/ PAUL FRIEDMAN
	Paul Friedman, Chief Compliance Officer
BLUEMOUNTAIN LONG SHORT GRASMOOR FUND LTD. BY: BLUEMOUNTAIN CAPITAL MANAGEMENT, LLC
By:	/s/ PAUL FRIEDMAN
	Paul Friedman, Chief Compliance Officer
BLUEMOUNTAIN MONTENVERS MASTER FUND SCA SICAV-SIF BY: BLUEMOUNTAIN MONTENVERS GP S.à.r.l.
By:	/s/ PAUL FRIEDMAN
	Paul Friedman, Authorized Person
BLUEMOUNTAIN MONTENVERS GP S.à.r.l.
By:	/s/ PAUL FRIEDMAN
	Paul Friedman, Authorized Person