News Release
                    
                Mallinckrodt Pharmaceuticals Signs Distribution Agreement with Amneal Pharmaceuticals LLC
                
      Three-year distribution agreement for a generic version of Suboxone®
    
    HAZELWOOD, Mo.--(BUSINESS WIRE)--Aug. 20, 2013--
      Mallinckrodt
      (NYSE: MNK) announced today that it has entered into an agreement with
      Amneal Pharmaceuticals LLC to distribute to addiction treatment centers
      its Buprenorphine HCl and Naloxone HCl Dihydrate Sublingual Tablets
      (CIII), a generic version of Suboxone®, manufactured in
      Amneal’s Hauppauge, New York, facility. The product is a prescription
      medication indicated for the maintenance treatment of opioid dependence.
      The contract covers a period of three years, with an option to extend.
    
      Mallinckrodt is a major supplier of generic opioid dependence products
      to U.S. addiction treatment centers. The Company is leveraging its
      long-established supply chain expertise to extend the number of products
      it distributes to these centers.
    
      “The core competencies we have built during the course of our 145-year
      history, particularly our extensive distribution network and expertise
      in handling controlled substances, make us an ideal partner for Amneal,”
      said Walt Kaczmarek, Vice President and General Manager, Specialty
      Generics, Mallinckrodt. “This agreement demonstrates our continued focus
      to unlock our potential and drive growth based on what we do well,
      within our generic specialty pharmaceuticals business.”
    
      This collaboration, the first between Mallinckrodt and Amneal, covers
      both strengths of Buprenorphine HCl and Naloxone HCl Dihydrate
      Sublingual Tablets (CIII) available on the market, the 8 mg/2 mg dosage
      strength and the 2 mg/0.5 mg dosage strength.
    
      ABOUT MALLINCKRODT
    
      Mallinckrodt is a leading global specialty pharmaceuticals business that
      develops, manufactures, markets, and distributes specialty
      pharmaceutical products and medical imaging agents. The Company’s
      Specialty Pharmaceuticals segment includes branded and generic drugs,
      and the Global Medical Imaging segment includes contrast media and
      nuclear imaging agents. Mallinckrodt has approximately 5,500 employees
      worldwide with a direct sales presence in roughly 50 countries and
      distribution in approximately 40 other countries. The Company’s 2012
      revenue totaled $2.1 billion. To learn more about Mallinckrodt, visit www.mallinckrodt.com.
    
      ABOUT AMNEAL
    
      Amneal Pharmaceuticals, LLC, is a U.S.-based manufacturer of generic
      pharmaceuticals. Known as “Generic’s New Generation,” Amneal prides
      itself on its unwavering commitment to quality, meaningful business
      relationships, and innovative approach to maximizing value for all
      stakeholders. Extensive investment in R&D, an intelligently aggressive
      expansion strategy, and focus on vertical integration are key
      contributors to the company’s impressive growth over the past several
      years. Amneal is headquartered in Bridgewater, New Jersey, with
      manufacturing, R&D, packaging, sales and distribution facilities
      throughout the U.S. as well as abroad. For more information, visit www.amneal.com.
    
      Suboxone is a registered trademark of Reckitt Benckiser Healthcare (UK)
      Limited.
    
      FORWARD-LOOKING STATEMENTS
    
      Any statements contained in this communication that do not describe
      historical facts may constitute forward-looking statements as that term
      is defined in the Private Securities Litigation Reform Act of 1995. Such
      forward-looking statements include, but are not limited to, statements
      about future financial condition and operating results, economic,
      business, competitive and/or regulatory factors affecting our business.
      Any forward-looking statements contained herein are based on our
      management’s current beliefs and expectations, but are subject to a
      number of risks, uncertainties, and changes in circumstances, which may
      cause actual results or Company actions to differ materially from what
      is expressed or implied by these statements. The factors that could
      cause actual future results to differ materially from current
      expectations include, but are not limited to, our ability to receive
      procurement and production quotas granted by the U.S. Drug Enforcement
      Administration, our ability to obtain and/or timely transport
      molybdenum-99 to our technetium-99m generator production facilities,
      customer concentration, cost-containment efforts of customers,
      purchasing groups, third-party payors and governmental organizations,
      our ability to successfully develop or commercialize new products, our
      ability to protect intellectual property rights, competition, our
      ability to integrate acquisitions of technology, products and
      businesses, product liability losses and other litigation liability, the
      reimbursement practices of a small number of large public or private
      issuers, complex reporting and payment obligation under healthcare
      rebate programs, changes in laws and regulations, conducting business
      internationally, foreign exchange rates, material health, safety and
      environmental liabilities, litigation and violations and information
      technology infrastructure. These and other factors are identified and
      described in more detail in the “Risk Factors” section of the Form 10
      Registration Statement, as amended. We disclaim any obligation to update
      these forward-looking statements other than as required by law.
    
    

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Source: Mallinckrodt
      Mallinckrodt
Lynn Phillips,
      314-654-3263
Manager, Media Relations
lynn.phillips@mallinckrodt.com
or
Meredith
      Fischer, 314-654-6595
Senior Vice President, Communications
meredith.fischer@mallinckrodt.com
or
John
      Moten, 314-654-6650
Vice President, Investor Relations
john.moten@mallinckrodt.com
or
Amneal
Cheryl
      Lechok, 203-961-9280
Amneal Media Relations Representative
clechok@optonline.net