News Release
                    
                Mallinckrodt to Present at the 25th Annual Piper Jaffray Healthcare Conference in New York
                    DUBLIN--(BUSINESS WIRE)--Nov. 25, 2013--
      Mallinckrodt
      plc (NYSE: MNK), a global specialty pharmaceutical and global medical
      imaging company, will present at the 25th Annual Piper
      Jaffray Healthcare Conference in New York on Tuesday, December 3, 2013.
      Mark Trudeau, President and Chief Executive Officer of Mallinckrodt,
      will represent the company in a session scheduled to begin at 10:00 U.S.
      Eastern Standard Time. The meeting will be held at The New York Palace.
    
      For those individuals who choose to participate in the conference via
      audio webcast, please access at: http://mallinckrodt.com/investor_relations.
      A replay of the presentation will be available on the website for 14
      days following the conclusion of the meeting.
    
      ABOUT MALLINCKRODT:
    
      Mallinckrodt is a global specialty pharmaceutical 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 active
      pharmaceutical ingredients, and the Global Medical Imaging segment
      includes contrast media and nuclear imaging agents. Mallinckrodt has
      approximately 5,500 employees worldwide and commercial presence in
      roughly 70 countries. The company’s 2013 revenue totaled $2.2 billion.
      To learn more about Mallinckrodt, visit www.mallinckrodt.com.
    
    

Source: Mallinckrodt plc
      Mallinckrodt plc
John Moten, Investor Relations, 314-654-6650
john.moten@mallinckrodt.com
or
Lynn
      Phillips, Media Relations, 314-654-3263
lynn.phillips@mallinckrodt.com