News Release

Mallinckrodt Announces Completion of Previously Disclosed Settlement Agreement with U.S. Department of Justice on Legacy Questcor Sales and Marketing Activities

-- Company to pay expected settlement of $15.4 million --
-- Settlement agreement contains no admission of wrongdoing --

STAINES-UPON-THAMES, United Kingdom, Sept. 3, 2019 /PRNewswire/ -- Mallinckrodt plc (NYSE: MNK), a global biopharmaceutical company, today reported the company has finalized a previously disclosed agreement with the U.S. Department of Justice to resolve a civil False Claims Act investigation of Questcor's legacy sales and marketing activities first filed in 2012. Questcor was acquired by Mallinckrodt in August of 2014. Under the settlement, Mallinckrodt has agreed to pay the expected $15.4 million relating to these legacy Questcor activities. Importantly, the settlement agreement contains no admission of wrongdoing.

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"We are pleased to have conclusively resolved and put this Questcor matter behind us," said Mark Casey, General Counsel of Mallinckrodt. "Where we can resolve legacy legal matters in a reasonable and manageable way, we will continue to do so."

Mallinckrodt is a global business consisting of multiple wholly owned subsidiaries that develop, manufacture, market and distribute specialty pharmaceutical products and therapies. The company's Specialty Brands reportable segment's areas of focus include autoimmune and rare diseases in specialty areas like neurology, rheumatology, nephrology, pulmonology and ophthalmology; immunotherapy and neonatal respiratory critical care therapies; analgesics and gastrointestinal products. Its Specialty Generics reportable segment includes specialty generic drugs and active pharmaceutical ingredients. To learn more about Mallinckrodt, visit

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Daniel Yunger
Kekst CNC

Investor Relations
Daniel J. Speciale, CPA
Vice President, Investor Relations and IRO

Mallinckrodt, the "M" brand mark and the Mallinckrodt Pharmaceuticals logo are trademarks of a Mallinckrodt company. Other brands are trademarks of a Mallinckrodt company or their respective owners. © 2019 Mallinckrodt. 9/19


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