News Release
                    
                Mallinckrodt plc to Report Third Quarter Results on August 9, 2013
                    DUBLIN--(BUSINESS WIRE)--Jul. 9, 2013--
      Mallinckrodt plc (NYSE: MNK) will report third quarter results on August
      9, 2013, before trading opens for the day on the New York Stock
      Exchange. The company will hold a conference call for investors
      beginning at 8:30am/U.S. Eastern Daylight Time. The call can be accessed
      in three ways.
    
      - 
        At the Mallinckrodt website: http://mallinckrodt.com/investor_relations.aspx
      
 
      - 
        By telephone: For both “listen-only” participants and those who wish
        to take part in the question-and-answer portion of the call, the
        telephone dial-in number in the U.S. is 877-415- 3182. For
        participants outside the U.S., the dial-in number is 857-244-7325. The
        access code for all callers is 44964726.
      
 
      - 
        Through an audio replay: A replay of the call will be available
        beginning at 10:30am/ U.S. Eastern Daylight Time on August 9, 2013,
        and ending at 11:59pm/ U.S. Eastern Daylight Time on August 23, 2013.
        The dial-in number for U.S. participants is 888-286-8010. For
        participants outside the U.S., the replay dial-in number is 617-
        801-6888. The replay access code for all callers is 51646528.
      
 
    
      ABOUT MALLINCKRODT:
    
      Mallinckrodt is a leading global specialty pharmaceuticals business that
      develops, manufactures, markets and distributes specialty pharmaceutical
      products and medical imaging agents with the highest quality standards
      and care. 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 direct sales in roughly 50
      countries and distribution in approximately 40 countries. The company’s
      2012 revenue totaled $2.1 billion. To learn more about Mallinckrodt,
      visit www.mallinckrodt.com.
    
    

Source: Mallinckrodt plc
      Mallinckrodt plc
John Moten, 314-654-6650
Vice President,
      Investor Relations
john.moten@mallinckrodt.com
or
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