Document


UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549


FORM SD
 
Specialized Disclosure Report




Mallinckrodt public limited company

(Exact name of registrant as specified in its charter)



Ireland
001-35803
98-1088325
(State or other jurisdiction of incorporation or organization)
(Commission File Number)
(IRS Employer Identification No.)



3 Lotus Park, The Causeway, Staines-Upon-Thames,
Surrey TW18 3AG, United Kingdom
(Address of principal executive offices) (Zip Code)
 
Stephanie D. Miller
Vice President, Corporate Secretary and International Legal
+44 017 8463 6700
(Name and telephone number, including area code, of the person to contact in connection with this report.)




Check the appropriate box to indicate the rule pursuant to which this form is being filed, and provide the period to which the information in this form applies:
 
x
Rule 13p-1 under the Securities Exchange Act (17 CFR 240.13p-1) for the reporting period January 1 to December 31, 2017.








Section 1 - Conflict Minerals Disclosure
Item 1.01 Conflict Minerals Disclosure and Report

Mallinckrodt plc's Conflict Minerals Report ("CMR") for the calendar year ended December 31, 2017 is filed, in accordance with Rule 13p-1 of the Securities and Exchange Act of 1934, as an Exhibit to this Specialized Disclosure Form ("Form SD") and is publicly available at http://www.mallinckrodt.com/investors/sec-filings. The content of any website referred to in this Form SD is included for general information only and is not incorporated by reference in this Form SD or the CMR.

Item 1.02 Exhibit

The CMR required by Item 1.01 is filed as Exhibit 1.01 to this Form SD.

Section 2 - Exhibits
Item 2.01 Exhibits

Exhibit 1.01 - Conflict Minerals Report as required by Items 1.01 and 1.02 of this Form SD.








SIGNATURES
 
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the duly authorized undersigned.

 
MALLINCKRODT PUBLIC LIMITED COMPANY
 
 
 
 
(Registrant)
 
 
 
 
 
 
 
 
By:
/s/ Mark J. Casey
 
Date:
May 31, 2018
Name:
Mark J. Casey
 
 
 
Title:
General Counsel