Mallinckrodt (MNKTQ) SC 13G Mallinckrodt / MARATHON ASSET MANAGEMENT ownership change

Exhibit 99.1

JOINT FILING AGREEMENT

PURSUANT TO RULE 13D-1(K)

The undersigned acknowledge and agree that the foregoing Statement on Schedule 13G is filed on behalf of each of the undersigned and that all subsequent amendments to this Statement on Schedule 13G may be filed on behalf of each of the undersigned without the necessity of filing additional joint filing agreements. The undersigned acknowledge that each shall be responsible for the timely filing of such amendments, and for the completeness and accuracy of the information concerning such person contained herein or therein but shall not be responsible for the completeness and accuracy of the information concerning the others, except to the extent that such person knows or has reason to believe that such information is inaccurate.

Dated: February 6, 2024

MARATHON ASSET MANAGEMENT GP, L.L.C.
By:	/s/ Jamie Raboy
Name:	Jamie Raboy
Title:	Authorized Signatory
MARATHON ASSET MANAGEMENT, L.P.
By: Marathon Asset Management, GP, L.L.C., its general partner
By:	/s/ Jamie Raboy
Name:	Jamie Raboy
Title:	Authorized Signatory
INTERNATIONALE KAPITALANLAGEGESELLSCHAFT MBH ACTING FOR SDF 2
By:	/s/ Jamie Raboy
Marathon Asset Management L.P., solely in its capacity as Investment Manager
Name:	Jamie Raboy
Title:	Authorized Signatory
MARATHON BLUE GRASS CREDIT FUND, LP
By:	/s/ Jamie Raboy
Marathon Asset Management L.P., solely in its capacity as Investment Manager
Name:	Jamie Raboy
Title:	Authorized Signatory

MARATHON CENTRE STREET PARTNERSHIP, L.P.
By:	/s/ Jamie Raboy
Marathon Asset Management L.P., solely in its capacity as Investment Manager
Name:	Jamie Raboy
Title:	Authorized Signatory
MARATHON CLO V LTD.
By:	/s/ Jamie Raboy
Marathon Asset Management L.P., solely in its capacity as Investment Manager
Name:	Jamie Raboy
Title:	Authorized Signatory
MARATHON CLO VII LTD.
By:	/s/ Jamie Raboy
Marathon Asset Management L.P., solely in its capacity as Investment Manager
Name:	Jamie Raboy
Title:	Authorized Signatory
MARATHON DISTRESSED CREDIT MASTER FUND
By:	/s/ Jamie Raboy
Marathon Asset Management L.P., solely in its capacity as Investment Manager
Name:	Jamie Raboy
Title:	Authorized Signatory
MARATHON STEPSTONE MASTER FUND LP
By:	/s/ Jamie Raboy
Marathon Asset Management L.P., solely in its capacity as Investment Manager
Name:	Jamie Raboy
Title:	Authorized Signatory
MCSP SUB LLC
By:	/s/ Jamie Raboy
Marathon Asset Management L.P., solely in its capacity as Investment Manager
Name:	Jamie Raboy
Title:	Authorized Signatory

QUAESTIO ALTERNATIVE FUNDS S.C.A., SICAV-FIS: CMAB - SIF - CREDIT MULTI ASSET POOL B
By:	/s/ Jamie Raboy
Marathon Asset Management L.P., solely in its capacity as Investment Manager
Name:	Jamie Raboy
Title:	Authorized Signatory
TRS CREDIT FUND, LP
By:	/s/ Jamie Raboy
Marathon Asset Management L.P., solely in its capacity as Investment Manager
Name:	Jamie Raboy
Title:	Authorized Signatory
MARATHON MORNINGTON FUND, L.P.
By:	/s/ Jamie Raboy
Marathon Asset Management L.P., solely in its capacity as Investment Manager
Name:	Jamie Raboy
Title:	Authorized Signatory
MARATHON PACESETTER HIGH-YIELD FUND, L.P.
By:	/s/ Jamie Raboy
Marathon Asset Management L.P., solely in its capacity as Investment Manager
Name:	Jamie Raboy
Title:	Authorized Signatory
BRUCE RICHARDS
/s/ Bruce Richards
LOUIS HANOVER
/s/ Louis Hanover