Exhibit 21.1

IMPAX LABORATORIES, INC.

Subsidiaries of the Registrant as of the date of this report:

Name of Subsidiary	Jurisdiction of Incorporation or Organization	Ownership
Amedra Pharmaceuticals LLC	Delaware	100%
CorePharma, LLC	New Jersey	100%
Impax Holdings LLC	Delaware	100%
Impax International Holdings, Inc.	Delaware	100%
Impax Laboratories Ireland Limited	Ireland	100%
Impax Laboratories (Netherlands) B.V.	Netherlands	100%
Impax Laboratories (Netherlands) C.V.	Netherlands	100%
Impax Laboratories (Taiwan) Inc.	Taiwan, Republic of China	100%
Impax Laboratories USA, LLC	California	100%
Lineage Therapeutics Inc.	Delaware	100%
Mountain, LLC	Delaware	100%
Prohealth Biotech, Inc.	Taiwan, Republic of China	57.54%
ThoRx Laboratories, Inc.	California	100%
Tower Holdings, Inc.	Delaware	100%
Trail Services, Inc.	Delaware	100%