Mallinckrodt Completes Acquisition of InfaCare Pharmaceutical Corporation and Stannsoporfin, its Proprietary Therapy in Late-Stage Development for Newborns at Risk for Severe Jaundice

STAINES-UPON-THAMES, United Kingdom, Sept. 25, 2017 /PRNewswire/ -- Mallinckrodt plc (NYSE: MNK), a leading global specialty pharmaceutical company, today announced it closed the acquisition of InfaCare Pharmaceutical Corporation, a privately held specialty pharmaceutical company focused on development and commercialization of proprietary pharmaceuticals for neonatal and pediatric patient populations. If approved, InfaCare's developmental product stannsoporfin is expected to become the first and only pharmacologic option indicated for treatment of neonates at risk for developing severe hyperbilirubinemia, or severe jaundice.

"The addition of stannsoporfin further expands and diversifies Mallinckrodt's pediatric pipeline, and will add strength and breadth to our Specialty Brands business," said Mark Trudeau, Chief Executive Officer at Mallinckrodt. "There is an urgent need for therapies to treat thousands of infants at risk for serious illness or death due to severe jaundice, and Mallinckrodt is committed to bringing stannsoporfin to this population as quickly and efficiently as possible."

Mallinckrodt has made an upfront payment of $80 million, with additional payments of up to $345 million dependent on regulatory and sales milestones. Mallinckrodt expects the acquisition to be dilutive to adjusted diluted earnings per share by $0.15 to $0.20 for 2017 and modestly higher in 2018. Guidance on the impact of the acquisition to the company's GAAP¹ diluted earnings per share has not been provided due to the inherent difficulty of forecasting the timing or amount of items that would be included in calculating such impact.

ABOUT SEVERE HYPERBILIRUBINEMIA AND STANNSOPORFIN
In the U.S., the total number of term births is estimated at 3.7 million per year^2,3 and, of those, approximately 750,000⁴ infants are treated for jaundice. Of those treated, a significant number may be unresponsive to phototherapy – the current standard of care – even with extended and repeated courses of the treatment⁵ and face the risk of developing severe jaundice prior to discharge. A small percentage of full-term infants may experience elevated bilirubin levels after discharge and be at risk of severe jaundice⁶, requiring hospital readmission. It is anticipated stannsoporfin could reduce the incidence of readmission. The combined potential patient treatments required annually in the U.S. for severe jaundice is approximately 70,000 to 125,000.

Stannsoporfin, a heme oxygenase inhibitor, is under investigation for its potential to reduce the production of bilirubin. If approved, stannsoporfin is expected to be a highly effective therapy used for near- and full-term infants at risk of developing complications associated with severe jaundice. This new treatment option may reduce the number of newborns advancing to bilirubin levels requiring more intrusive, less specific therapies, most often blood exchange transfusion and less frequently intravenous immunoglobululin infusions (IVIG), both of which have a more complex and lengthy administration than stannsoporfin's single injection. Stannsoporfin, if approved, may also decrease the risks associated with other treatments (e.g., bilirubin rebound) and the risk of prolonged and/or severe bilirubin elevation, which can impact central nervous system development.

ABOUT MALLINCKRODT
Mallinckrodt is a global business that develops, manufactures, markets and distributes specialty pharmaceutical products and therapies. 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; and analgesics and hemostasis products. The company's core strengths include the acquisition and management of highly regulated raw materials and specialized chemistry, formulation and manufacturing capabilities. The company's Specialty Brands segment includes branded medicines and its Specialty Generics segment includes specialty generic drugs, active pharmaceutical ingredients and external manufacturing. To learn more about Mallinckrodt, visit www.mallinckrodt.com.

Mallinckrodt uses its website as a channel of distribution of important company information, such as press releases, investor presentations and other financial information. It also uses its website to expedite public access to time-critical information regarding the company in advance of or in lieu of distributing a press release or a filing with the U.S. Securities and Exchange Commission (SEC) disclosing the same information. Therefore, investors should look to the Investor Relations page of the website for important and time-critical information. Visitors to the website can also register to receive automatic e-mail and other notifications alerting them when new information is made available on the Investor Relations page of the website.

NON-GAAP FINANCIAL MEASURES
This press release references adjusted diluted earnings per share, which is considered a "non-GAAP" financial measure under applicable SEC rules and regulations.
Adjusted diluted earnings per share represent adjusted net income divided by the number of diluted shares. Adjusted net income represents amounts, prepared in accordance with accounting principles generally accepted in the U.S. (GAAP), adjusted for certain items (on an after-tax basis) that management believes are not reflective of the operational performance of the business. Adjustments to GAAP amounts include restructuring and related charges, net; amortization and impairment charges; discontinued operations; acquisition-related expenses, changes in fair value of contingent consideration obligations; inventory step-up expenses; significant legal and environmental charges ; pension settlement charges; recurrent cash tax payments to the IRS associated with internal installment sales transactions; and other items identified by the company.

The company has provided these adjusted financial measures because they are used by management, along with financial measures in accordance with GAAP, to evaluate the company's operating performance. In addition, the company believes that they will be used by certain investors to measure Mallinckrodt's operating results. Management believes that presenting these adjusted measures provides useful information about the company's performance across reporting periods on a consistent basis by excluding items that the company does not believe are indicative of its core operating performance.

These adjusted measures should be considered supplemental to and not a substitute for financial information prepared in accordance with GAAP. The company's definition of these adjusted measures may differ from similarly titled measures used by others.

Because adjusted financial measures exclude the effect of items that will increase or decrease the company's reported results of operations, management strongly encourages investors to review the company's consolidated financial statements and publicly filed reports in their entirety.

Cautionary Statements Related to Forward-Looking Statements
Statements in this document that are not strictly historical, including statements regarding future financial condition and operating results, economic, business, competitive and/or regulatory factors affecting Mallinckrodt's businesses and any other statements regarding events or developments that we believe or anticipate will or may occur in the future, may be "forward-looking" statements within the meaning of the Private Securities Litigation Reform Act of 1995, and involve a number of risks and uncertainties.
There are a number of important factors that could cause actual events to differ materially from those suggested or indicated by such forward-looking statements and you should not place undue reliance on any such forward-looking statements. These factors include risks and uncertainties related to, among other things: general economic conditions and conditions affecting the industries in which Mallinckrodt operates; the commercial success of Mallinckrodt's products; Mallinckrodt's ability to realize anticipated growth, synergies and cost savings from acquisitions (including the InfaCare acquisition); conditions that could necessitate an evaluation of Mallinckrodt's goodwill and/or intangible assets for possible impairment; changes in laws and regulations; Mallinckrodt's ability to successfully integrate acquisitions of operations, technology, products and businesses generally and to realize anticipated growth, synergies and cost savings (including with respect to the InfaCare acquisition); Mallinckrodt's ability to successfully develop or commercialize new products; Mallinckrodt's ability to protect intellectual property rights; Mallinckrodt's ability to receive procurement and production quotas granted by the U.S. Drug Enforcement Administration; customer concentration; Mallinckrodt's reliance on certain individual products that are material to its financial performance; cost containment efforts of customers, purchasing groups, third-party payers and governmental organizations; the reimbursement practices of a small number of public or private insurers; pricing pressure on certain of Mallinckrodt's products due to legal changes or changes in insurers' reimbursement practices resulting from recent increased public scrutiny of healthcare and pharmaceutical costs; limited clinical trial data for H.P. Acthar Gel; complex reporting and payment obligations under healthcare rebate programs; Mallinckrodt's ability to navigate price fluctuations; future changes to U.S. and foreign tax laws; Mallinckrodt's ability to achieve expected benefits from restructuring activities; complex manufacturing processes; competition; product liability losses and other litigation liability; ongoing governmental investigations; material health, safety and environmental liabilities; retention of key personnel; conducting business internationally; the effectiveness of information technology infrastructure; and cybersecurity and data leakage risks.

These and other factors are identified and described in more detail in the "Risk Factors" sections of Mallinckrodt's Annual Report on Form 10-K for the fiscal year ended September 30, 2016. The forward-looking statements made herein speak only as of the date hereof and Mallinckrodt does not assume any obligation to update or revise any forward-looking statement, whether as a result of new information, future events and developments or otherwise, except as required by law.

CONTACTS
Investor Relations
Coleman N. Lannum, CFA 
Senior Vice President, Investor Strategy and IRO 
314-654-6649 
[email protected]

Daniel J. Speciale, CPA 
Director, Investor Relations 
314-654-3638 
[email protected]

Media
Rhonda Sciarra 
Senior Communications Manager 
908-238-6765 
[email protected]

Meredith Fischer 
Chief Public Affairs Officer 
314-654-3318 
[email protected]

SOURCE Mallinckrodt plc

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