Document:

EX-10.9

 Exhibit 10.9 

SEPARATION OF EMPLOYMENT AGREEMENT AND GENERAL RELEASE 

THIS SEPARATION OF EMPLOYMENT AGREEMENT AND GENERAL RELEASE (“Agreement”) is by and between Mark Trudeau (“Executive”) and
ST Shared Services LLC (the “Company”) (collectively, Executive and the Company shall be referred to herein as the “Parties” and one of the Parties shall be referred to herein as a “Party”). 

WHEREAS, Executive has been employed by the Company as its President and Chief Executive Officer, and has performed services for the Company
and/or one or more of its affiliates; 
 WHEREAS, Executive entered into an Employment Agreement (“Employment Agreement”) dated
July 20, 2020 as amended on September 8, 2021 which provides for certain benefits in the event Executive’s employment is terminated on account of a reason set forth in the Employment Agreement, subject to the terms of the Employment
Agreement; 
 WHEREAS, Executive’s employment will terminate effective June 16, 2022 (“Separation Date”); and 

WHEREAS, in connection with the termination of Executive’s employment and pursuant to the terms of the Employment Agreement, the parties
have agreed to a separation package and the resolution of any and all disputes between them. 
 NOW, THEREFORE, IT IS HEREBY AGREED by and
between Executive and the Company as follows: 
 1. Benefits Upon Termination of Employment. Whether or not Executive signs this
Agreement, Executive will be entitled to the following: 
 (a) Earned But Unpaid Amounts and Notice Pay. Executive shall receive any
amounts earned, accrued or owing but not paid to Executive as of the Separation Date including unpaid base salary. In addition, Executive will be entitled to pay in lieu of notice for the balance of the Notice Period (as defined in the Employment
Agreement) remaining as of the Separation Date (“Notice Pay”) (for the avoidance of doubt, the parties acknowledge and agree that notice of termination was provided to Executive by the Company on May 31, 2022). Notice Pay paid to
Executive will be in addition to, and will not be offset against, any severance benefits Executive may be entitled to receive under Section 2 of this Agreement. However, the Notice Period will run concurrently with, and not in addition to, any
notice period required under local, state or federal law. If Executive does not sign, or revokes, prior to the expiration of the applicable revocation period, his or her signature on, a Release (as defined below), Executive will only be eligible for
Notice Pay. Unless otherwise permitted by the applicable plan documents or laws, Executive will not be eligible to apply for short-term disability, long-term disability and/or workers’ compensation during the Notice Period, or anytime
thereafter. Notice Pay will be paid in a lump sum within thirty (30) days following the Separation Date. 

  
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 (b) COBRA Continuation Coverage. Executive (and Executive’s spouse, domestic
partner or child(ren), as applicable) shall be eligible for continued coverage under the Company’s group health plans as required by and pursuant to the provisions of the Consolidated Omnibus Budget Reconciliation Act of 1985, as amended
(“COBRA”). Executive acknowledges the Company will provide COBRA coverage only if such coverage is timely elected by Executive (or other qualified beneficiary as defined by COBRA) and Executive is solely responsible for electing such
coverage. If Executive does not elect COBRA coverage timely, Executive will not be eligible to receive COBRA coverage. Executive will be required to pay the entire premium for COBRA coverage and acknowledges COBRA coverage will end upon the
expiration of the maximum period required under COBRA or earlier than such time if Executive does not pay the required premium within the applicable time period, if Executive terminates COBRA coverage, or if an event occurs that, pursuant to COBRA,
permits the earlier termination of COBRA coverage. 
 2. Consideration to Executive for Signing This Agreement. The parties
acknowledge and agree that Executive is not entitled to receive any severance benefits under Section 4 of the Employment Agreement (“Obligations of the Company Upon Termination”) in connection with their mutual agreement to terminate
Executive’s employment on the Separation Date. Notwithstanding the foregoing, in consideration for Executive signing and not revoking this Agreement as described in Section 22, the Company agrees to provide Executive with the severance
benefits set forth below. Subject to Section 20 below, all payments described in this section shall be paid as soon as is administratively possible after the end of the revocation period for this Agreement as specified in Section 22(e),
but contingent upon the revocation period having lapsed, in no event later than March 16, 2023. Executive expressly authorizes the Company to make any necessary deductions, withholdings, or other reductions from amounts paid pursuant to this
paragraph. 
 (a) Base Salary Payment. Executive will receive a lump sum payment equivalent to twenty-four (24) months of
Executive’s current base salary in the gross amount of $2,100,000.00, minus any applicable deductions or withholdings or other reductions required by applicable law. 

(b) Severance Bonus Payment. Executive will receive a lump-sum payment equivalent to
Executive’s Annual Bonus (as that term is defined in the Employment Agreement and September 8, 2021, amendment) for two (2) fiscal years of the Company in the gross amount of $2,878,750.00, minus any applicable deductions or
withholdings or other reductions required by applicable law. 
 (c) Annual Incentive Bonus. In lieu of a bonus under the Global Bonus
Plan for the Company Fiscal Year 2022 (the “GBP”), the Company shall pay Executive a lump sum in the gross amount of $594,952, minus any applicable deductions or withholdings. The Company shall have no further obligations to Executive
under the GBP or any other bonus program except as expressly set forth herein. 

  
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 (d) Benefits Lump Sum Payment. Executive will receive a lump sum payment in the gross
amount of $36,694.48, minus any applicable deductions or withholdings or other reductions required by applicable law, which shall be equal to eighteen (18) times the difference between (i) the applicable monthly COBRA premium in effect on
the Separation Date for the medical, dental, vision and EAP plan options in which Executive is enrolled on the Separation Date, and (ii) the monthly premium paid for such coverage by Executive as of the Separation Date. 

(e) Treatment of Stock Options, Restricted Stock and Restricted Units. On March 2, 2022, the Bankruptcy Court entered an order (the
“Confirmation Order”) confirming the Fourth Amended Joint Plan of Reorganization (with Technical Modifications) of Mallinckrodt plc and Its Debtor Affiliates Under Chapter 11 of the Bankruptcy Code (as amended, supplemented or otherwise
modified, the “Plan”). Pursuant to such Plan all outstanding equity interests in Mallinckrodt plc (“Mallinckrodt”) at the time of emergence are cancelled without recourse. As such all stock options, restricted stock, restricted
units or performance shares held by Executive as of the Separation Date have been cancelled and forfeited as of the Separation Date. 
 (f)
Outplacement Services. The Company shall pay the cost of outplacement services for the Executive at the outplacement agency the Company regularly uses for such purpose for a period of twelve (12) months and at the level of services
offered to similarly situated Company employees. 
 (g) Tax Return Preparation. The Company shall pay the fees and costs associated
with PricewaterhouseCoopers or a comparable firm (“Tax Accountant”) preparing all federal, state, and international tax returns of Executive and his spouse for 2021 and any subsequent years in which Executive has potential international
tax obligations related to his employment with the Company or its affiliated entities. Executive and the Company agree that the tax equalization practices and procedures that have applied to Executive during his employment with the Company and its
predecessors, including but not limited to the Mallinckrodt Pharmaceuticals Tax Equalization Plan dated July 1, 2013 including the terms and conditions of Appendix B (the “Plan”), will continue to apply, except as set forth herein,
following the Separation Date for 2021 and any subsequent years in which Executive has potential international tax obligations related to his employment with the Company or its affiliated entities. Executive remains personally responsible for all
historical and prospective income taxes which are due based on the application of the Plan, and the Company will also be responsible for reimbursing Executive promptly for any tax reimbursements that are due to Executive under the Plan.
Notwithstanding the above, and for the avoidance of doubt, both Executive and the Company agree to settle all amounts due as soon as administratively possible, although Executive may withhold any payments due to the Company as determined by Tax
Accountant (which payments shall not be deducted from the monies to be paid to Executive pursuant to this Agreement) until any applicable tax refunds are received from the applicable taxing authorities, with the exception of any payments due to the
Company which exceed the anticipated tax refund, which Executive shall pay to the Company within thirty (30) days of filing the applicable tax return. 

  
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 (h) Company Equipment. Executive shall retain the Company-issued iPhone, iPad, and
two (2) printers in his possession as of the Separation Date (collectively, the “Company-Issued Equipment”), subject to the Company’s right to remove its proprietary data from the Company-Issued Equipment on or about the
Separation Date at a time that is mutually convenient for Executive and the Company. The Company shall coordinate with Executive to facilitate the retention by Executive of his personal data, including any personal photos or contacts, stored on the
Company-Issued Equipment. 
 (i) Chapter 11 Limitations on Pre-Petition Obligations and Potential
Clawback. The Company initiated Chapter 11 proceedings under the U.S. Bankruptcy Code on Monday, October 12, 2020. Under the U.S. Bankruptcy Code, the Company is limited in the amounts it can pay exiting employees for pre-petition obligations on a priority basis, including but not limited to wages, salaries, commissions, accrued PTO, reimbursable business expenses, and contributions to benefit plans that were accrued or incurred
prior to October 12, 2020 (collectively the “Pre-bankruptcy Obligations”). Because of the bankruptcy filing and except to the extent required under applicable state law, the Company is
prohibited by law from paying any exiting employee more than $13,650 in the aggregate for all Pre-bankruptcy Obligations (the “Bankruptcy Cap”). This may impact amounts Executive is able to receive from the Company as noted in this
Agreement, specifically with respect to any accrued PTO and reimbursable business expenses. Further, as required in connection with the Company’s bankruptcy, by executing this Agreement, Executive agrees that if a court of competent
jurisdiction determines that Executive: (a) knowingly participated in any criminal misconduct in connection with Executive’s employment with the Company or (b) was aware, other than from public sources, of acts or omissions of another
person that Executive knew at the time were fraudulent or criminal with respect to the Company’s commercial practices in connection with the sale of opioids and Executive failed to report such fraudulent or criminal acts or omissions to the
Company or to law enforcement during his employment with the Company, then Executive will forfeit any rights to payment under this Agreement for any severance, bonuses, incentive compensation payments, accrued PTO, and reimbursable business expenses
and, if requested by the Company, Executive will repay all amounts paid to Executive under this Agreement, net of any applicable deductions or withholdings applied by the Company to the amounts received by Executive pursuant to Sections 2(a) through
2(d) above. If Executive is required to repay any such amounts, Executive agrees that Executive will do so no later than sixty (60) days after the Company notifies Executive of the same in writing. 

(j) No Further Benefits. Except as provided in this Agreement or as required by the terms of a Company sponsored employee benefit plan
in which Executive is participating on the Separation Date, no payment, compensation, leave time, insurance or other benefits will be furnished or paid to Executive. Except as specifically provided for in this Agreement or the terms of the
applicable employee benefit plan, as of the Separation Date, Executive will cease to be eligible to participate under, or be covered by, any compensation or employee benefit plan and has no rights under any of those plans. 

  
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 3. Release of All Claims. 

(a) Executive’s Release of All Claims. Executive, for and in consideration of the commitments of the Company, including those set
forth in the section entitled “Consideration to Executive for Signing This Agreement,” and intending to be legally bound, does hereby REMISE, RELEASE AND FOREVER DISCHARGE the Company, its affiliates, subsidiaries and parents, and its
officers, directors, employees, and agents, and its and their respective successors and assigns, heirs, executors, trustees, fiduciaries and administrators (collectively, “Releasees”) from all causes of action, suits, debts, claims and
demands whatsoever in law or in equity, which Executive ever had, now has, or hereafter may have, whether known or unknown, or which Executive heirs, executors, or administrators may have, by reason of any matter, cause or thing whatsoever, from the
beginning of Executive’s employment to the date Executive signs this Agreement, and particularly, but without limitation of the foregoing general terms, any claims arising from, or relating in any way to Executive’s employment relationship
with Company, the terms and conditions of the employment relationship, and the termination of the employment relationship, including, but not limited to, any claims arising under the Age Discrimination in Employment Act, the Older Workers Benefit
Protection Act, Title VII of The Civil Rights Act of 1964, Sections 1981 and 1983 of the Civil Rights Act of 1866, the Americans with Disabilities Act, the Employee Retirement Income Security Act of 1974 (except as to claims for vested benefits,
including but not limited to 401k benefits), the Workers Adjustment Retraining Notification Act, the Family and Medical Leave Act of 1993, the Genetic Information Non-Discrimination Act of 2008, the Fair
Credit Reporting Act, the Equal Pay Act, the Rehabilitation Act of 1973, the Uniformed Services Employment and Reemployment Rights Act, the National Labor Relations Act, the False Claims Act, and any other claims under any federal, state or local
common law, statutory, or regulatory provision, now or hereafter recognized, and any claims for attorneys’ fees and costs. Executive specifically acknowledges that during Executive’s employment, (i) Executive was provided
notice of all rights permitted under the Family and Medical Leave Act of 1993 (“FMLA”), understood those rights, was allowed to take all leave and afforded all other rights to which Executive is entitled under the FMLA, (ii) the
Company has not in any way interfered with, restrained or denied Executive’s exercise of (or attempt to exercise) any FMLA rights, nor terminated or otherwise discriminated against Executive for exercising (or attempting to exercise) any such
rights, and (iii) Executive was not treated differently or in any way discriminated against because of Executive’s age. This Agreement is effective without regard to the legal nature of the claims raised and without regard to whether any
such claims are based upon tort, equity, implied or express contract or discrimination of any sort. Nothing in this Agreement shall be interpreted to require Executive to release any claims that cannot lawfully be released. 

  
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 (b) Executive’s Representations. To the fullest extent permitted by law, and
subject to the provisions of the section entitled “Permissible Disclosures,” Executive represents and affirms (i) Executive has not filed or caused to be filed on Executive’s behalf any claim for relief against the Company or any
Releasee and, to the best of Executive’s knowledge and belief, no outstanding claims for relief have been filed or asserted against the Company or any Releasee on Executive’s behalf, (ii) Executive has no knowledge of any improper,
unethical or illegal conduct or activities Executive has not already reported to a human resources representative, to any member of the Company’s legal or compliance departments, or to the ethics hotline, and (iii) Executive will not file,
charge, claim, sue or cause or permit to be filed, charged or claimed, any civil action, suit or legal proceeding seeking equitable or monetary relief (including damages, injunctive, declaratory, monetary or other relief) for Executive involving any
matter released in this Agreement. Furthermore, Executive will withdraw with prejudice any such lawsuit or other legal action that may already be pending. In the event suit is filed in breach of this covenant not to sue, it is expressly understood
and agreed this covenant shall constitute a complete defense to any such suit. In the event any Releasee is required to institute litigation to enforce the terms of this subsection, Releasees shall be entitled to recover reasonable costs and
attorneys’ fees incurred in such enforcement. Executive further agrees and covenants that should any person, organization, or other entity file, charge, claim, sue, or cause or permit to be filed any civil action, suit or legal proceeding
involving any matter occurring at any time in the past, Executive will not seek or accept personal equitable or monetary relief in such civil action, suit or legal proceeding. Although this Agreement does not preclude Executive from filing a charge
of discrimination with the Equal Employment Opportunity Commission or related state agency or from participating in an investigation by such agency, Executive promises never to seek or accept any damages, remedies, or other relief for Executive
personally (any right to which is hereby waived) with respect to any claim purportedly released by this Agreement. 
 (c) No Unresolved
Claims. This Agreement has been entered into with the understanding there are no unresolved claims of any nature which Executive has against the Company. Executive acknowledges and agrees, except as specified in the section entitled
“Consideration to Executive for Signing This Agreement,” all compensation, benefits, and other obligations due Executive by the Company, whether by contract or by law, have been paid or otherwise satisfied in full or have been provided for
in this Agreement. Executive further agrees the representations and understandings set forth in this Agreement have been relied upon by the Company and constitute consideration for the Company’s execution of this Agreement. 

4. Restrictions. The Non-Competition, Non-Solicitation,
and Confidentiality Agreement signed by Executive on November 30, 2011 (hereinafter, the “Restrictive Covenant Agreement”) shall continue in full force and effect. For the avoidance of doubt, nothing in this Agreement or the
Restrictive Covenant Agreement shall preclude Executive from serving on the board of directors of a private or public entity, or advising financial firms or their affiliates on merger and acquisition issues either as an employee or a consultant, as
long as Executive does not rely upon or share Confidential Information, as that term is defined in the Restrictive Covenant Agreement, in providing those services. 

  
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 5. Indemnification. The Indemnification Agreement dated September 19, 2019
between Executive, Sucampo Pharmaceuticals, Inc. (“Sucampo”), and Mallinckrodt (the “Indemnification Agreement”), and the Deed of Indemnification dated September 19, 2019 between Executive and Mallinckrodt (the “Deed of
Indemnification”), (collectively, the “Indemnification Agreements”) shall continue in full force and effect. For purposes of the Indemnification Agreements, including but not limited to Section 14 of the Indemnification Agreement
and Section 16 of the Deed of Indemnification, the Company shall be deemed a successor to Sucampo and Mallinckrodt, and the Company expressly assumes and agrees to perform the Indemnification Agreements. 

6. Continued Cooperation. Executive acknowledges the Company may need to consult with Executive from time to time on a reasonable basis
after the Separation Date on matters Executive had worked on prior to the Separation Date. Executive agrees to continue to cooperate with the Company and to provide any such information as is reasonably requested by the Company. The Company will
reimburse Executive for any reasonable pre-approved expenses incurred in providing this cooperation and will not unreasonably interfere with any future employment of Executive in these requests. 

7. Rehire. Executive agrees and recognizes the Company has no obligation to employ, or retain the services of, Executive in the future.

 8. Non-Disparagement. Subject to the provisions of the section entitled “Permissible
Disclosures,” Executive agrees Executive will not disparage or subvert the Company, or make any statement reflecting negatively on the Company, its affiliated corporations or entities, or any of their officers, directors, employees, agents or
representatives, including, but not limited to, any matters relating to the operation or management of the Company, Executive’s employment and the termination of Executive’s employment, irrespective of the truthfulness or falsity of such
statement. It is the Company’s current reference policy to confirm only the Executive’s dates of employment, job title and most recent salary upon receipt of a reference request, and the Company shall not provide any further information
concerning Executive’s tenure with the Company to any third party. 
 9. Understanding of Consideration. Executive understands
and agrees the payments, benefits and agreements provided in this Agreement, including those set forth in the section entitled “Consideration to Executive for Signing This Agreement,” are being provided to Executive in consideration for
Executive’s acceptance and execution of, and in reliance upon Executive’s representations in, this Agreement and they are greater than the payments, benefits and agreements, if any, to which the Executive would have received if Executive
had not executed this Agreement. 
 10. Satisfaction of Company Obligations. Executive acknowledges and agrees the Company previously
has satisfied any and all obligations owed to Executive under any employment agreement or offer letter Executive has with the Company and, further, this Agreement fully supersedes any and all prior agreements or understandings, whether written or
oral, between the parties, regarding the subject matter of this Agreement. Executive acknowledges, except as set forth expressly herein, neither the Company, the Releasees, nor their agents or attorneys have made any promise, representation or
warranty whatsoever, either express or implied, or written or oral. 

  
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 11. Confidentiality. Subject to the provisions of the section entitled
“Permissible Disclosures,” Executive agrees not to disclose the terms of this Agreement to anyone, except a spouse, attorney, or, as necessary, a tax or financial advisor. It is expressly understood any violation of the confidentiality
obligation imposed hereunder constitutes a material breach of this Agreement. 
 12. Company Property. 

(a) Company Records. Executive represents, as of the Separation Date, Executive shall not have in Executive’s possession any
records or business documents, whether on computer or hard copy, or other materials (including but not limited to computer disks and tapes, computer programs, files and software, correspondence, files, customer lists, technical information, customer
information, pricing information, business strategies and plans, sales records and all copies thereof) (collectively, the “Corporate Records”) provided by the Company and/or its predecessors, subsidiaries or affiliates or obtained as a
result of Executive’s employment with the Company and/or its predecessors, subsidiaries or affiliates, or created by Executive while employed by or rendering services to the Company and/or its predecessors, subsidiaries or affiliates. Executive
acknowledges all such Corporate Records are the property of the Company. 
 (b) Company Property. On or as soon as practicable after
the Separation Date, and except as set forth in Section 2(h) above, Executive is required to return all company property to the Company. Company property includes, but is not limited to, building I.D. and name tags, office keys and company car
keys, samples, cases, or brochures Executive has acquired by virtue of Executive’s employment. 
 13. Permissible Disclosures.
Nothing in this Agreement shall prohibit or restrict Executive from: (a) making any disclosure of information required by law, (b) disclosing the contents of the section of this Agreement entitled Restrictions to potential or subsequent
employers, (c) providing information to, or testifying or otherwise assisting in any investigation or proceeding brought by, any federal or state regulatory or law enforcement agency or legislative body, any self-regulatory organization, or the
Company’s designated legal, compliance or human resources personnel, (d) reporting, filing, testifying, participating in or otherwise assisting in a proceeding relating to an alleged violation of any federal, state or municipal law
relating to fraud, or any rule or regulation of the Securities and Exchange Commission or any self-regulatory organization, or (e) making other disclosures that are protected under the whistleblower provisions of federal or state law or
regulation. 

  
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 14. Non-Admission. The Company and Executive
mutually agree and acknowledge the provision of benefits by the Company pursuant to this Agreement and the settlement and termination of any asserted or unasserted claims against the Releasees are not and shall not be construed to be an admission of
any violation of any federal, state or local statute or regulation, or of any duty owed by any of the Releasees to Executive. 
 15.
Breach. Executive agrees and recognizes that, should a court of competent jurisdiction determine that Executive breached any of the obligations or covenants set forth in this Agreement, the Company will have no further obligation to provide
Executive with the consideration set out in Section 2 and will have the right to seek repayment of all such consideration paid up to the time of any such breach. Further, Executive and the Company acknowledge in the event of a breach of this
Agreement by either Party, the non-breaching Party may seek any and all appropriate relief for any such breach, including equitable relief and/or money damages, attorney’s fees and costs. 

16. Injunctive Relief. Executive further agrees the Company shall be entitled to preliminary and permanent injunctive relief, which
rights shall be cumulative and in addition to any other rights or remedies to which the Company may be entitled. Executive irrevocably and unconditionally (a) agrees any suit, action or other legal proceeding relating to or arising out of this
Agreement, including without limitation, any action commenced by the Company for preliminary and permanent injunctive relief or other equitable relief, may be brought in the State of Missouri, (b) consents to the
non-exclusive jurisdiction of any such court in any such suit, action or proceeding, and (c) waives any objection which Executive may have to the laying of venue of any such suit, action or proceeding in
any such court. Executive also irrevocably and unconditionally consents to the service of any process, pleadings, notices or other papers by personal service or by registered or certified mail, return receipt requested, or by overnight express
courier service, addressed to Executive at the home address which the Company has on file for Executive at the time such mailing occurs. 

17. Choice of Law. The Company’s primary place of business is in the State of Missouri. Therefore, this Agreement and the
obligations of the parties hereunder shall be construed, interpreted and enforced in accordance with the laws of the State of Missouri, without giving effect to any conflict of law principles that would result in the application of any law other
than the law of the State of Missouri. 
 18. Survival of Provisions. The obligations contained in any section that contains
obligations to be performed following the termination of Executive’s employment with the Company or any affiliate or subsidiary shall survive such termination and shall be fully enforceable thereafter. 

19. Savings Clause. If any term contained in this Agreement is found by a court of competent jurisdiction to be unenforceable or invalid
to any extent, such finding will not affect the validity or enforceability of any other term or provision of this Agreement. 

  
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 20. Binding Effect; Assignment. The rights and obligations of this Agreement shall
bind and inure to the benefit of any successor of the Company by reorganization, merger or consolidation, or any assignee of all or substantially all of the Company’s business. The Company may assign its rights and obligations under this
Agreement to any of its subsidiaries or affiliates without Executive’s consent, but shall remain liable for any payments provided hereunder that are not timely made by any such assignee. Executive’s rights or obligations under this
Agreement may not be assigned by Executive. 
 21. Section 409A Compliance. To the extent applicable, this Agreement will be
interpreted in accordance with Internal Revenue Code Section 409A and the regulations and other interpretive guidance issued thereunder including, without limitation, any such regulations or other guidance that may be issued after the date this
Agreement is executed (collectively, “Code Section 409A”). Notwithstanding any other provision of this Agreement, if the Company determines any provision herein is or may be subject to Code Section 409A, the provisions of
Section 5.03 of the Plan apply and the Company may adopt such amendments or modify payments made hereunder or take any other action or actions the Company determines is necessary or appropriate to (a) exempt payments made hereunder from
the application of Code Section 409A or (b) comply with the requirements of Code Section 409A. Notwithstanding any other provision of this Agreement, if the period for consideration and revocation of this Agreement spans two tax
years, then any payments hereunder which are subject to Code Section 409A shall be delayed until the later of (i) the end of the applicable revocation period, or (ii) the first regularly scheduled Company payroll date in the second
tax year. 
 22. Certification and Acknowledgment. Executive certifies and acknowledges: 

(a) Executive has read the terms of this Agreement, and Executive understands its terms and effects, including the fact Executive has agreed to
RELEASE AND FOREVER DISCHARGE the Company and each and every one of its affiliated entities from any legal action arising out of Executive’s employment relationship with the Company and the termination of that employment relationship; 

(b) Executive has signed this Agreement voluntarily and knowingly in exchange for the consideration described herein, which Executive
acknowledges is adequate and sufficient to Executive and which Executive acknowledges is in addition to any other benefits to which Executive is otherwise entitled; 

(c) Executive has been and is hereby advised in writing to consult with an attorney prior to signing this Agreement; 

(d) The Company has provided Executive with a period of twenty-one (21) days within which
to consider this Agreement, and Executive has signed on the date indicated below after concluding this Agreement is satisfactory to Executive. 

  
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 (e) Executive acknowledges this Agreement may be revoked by Executive within seven
(7) days after Executive’s execution and this Agreement shall not become effective until the expiration of such seven (7) day revocation period. Any revocation must be submitted, in writing, to the Company, and state, “I hereby
revoke my acceptance of our Agreement.” The revocation must be personally delivered or mailed to Mallinckrodt Pharmaceuticals, Attn: Chief Human Resources Officer, 675 McDonnell Blvd., Building 10-2-S, Hazelwood, MO, 63042, and hand-delivered or postmarked within seven (7) calendar days of Executive’s execution of this Agreement. If the last day of the revocation period is a Saturday,
Sunday, or legal holiday, then the revocation period shall not expire until the next following day which is not a Saturday, Sunday, or legal holiday. In the event of a timely revocation by Executive, this Agreement will be deemed null and void and
the Company will have no obligations hereunder; 
 (f) Executive does not waive rights or claims that may arise after the date this Agreement
is executed. 
 Intending to be legally bound hereby, Executive and the Company (by its duly authorized agent) hereby execute the foregoing
Separation of Employment Agreement and General Release. 
  

									
	EXECUTIVE	 		 		 		 	
					
	 /s/ Mark Trudeau

Mark Trudeau
	 		 		 	 June 16, 2022

Date
	 	
					
	COMPANY	 		 		 		 	
					
	By:	 		 		 		 	
					
	  
 Signature
	 		 		 	  
 Date
	 	
					
	Name: ________________________	 		 		 		 	
					
	Title: _________________________	 		 		 		 	

  
 11/11EX-10.10

 Exhibit 10.10 

Execution Version 

EMPLOYMENT AGREEMENT 

This EMPLOYMENT AGREEMENT (this “Agreement”), dated and effective as of June 16, 2022 (the
“Effective Date”), is entered into by and between Mallinckrodt plc, a public company with limited liability incorporated in Ireland, or any successor thereto (the “Company”), and Sigurdur Olafsson (the
“Executive”). 
 WHEREAS, the Company desires to employ the Executive and the Executive desires to be employed by
the Company; 
 WHEREAS, the Company and the Executive desire to enter into this Agreement to set forth the rights and obligations of the
parties hereto in respect of the Executive’s employment with the Company; 
 WHEREAS, the Company desires to be assured that the unique
and expert services of the Executive will be available to the Company and that the Executive is willing and able to render such services on the terms and conditions hereinafter set forth; and 

WHEREAS, the Company desires to be assured that the confidential information and good will of the Company will be preserved for the exclusive
benefit of the Company. 
 NOW, THEREFORE, in consideration of such employment and the mutual covenants and promises herein contained, and
for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the Company and the Executive agree as follows: 

Section 1. Start Date; Employment; Position and Location. Executive’s employment under this Agreement shall commence on
June 25, 2022, or such other mutually agreed-upon date (the “Start Date”). The Company hereby agrees to employ the Executive, effective as of the Start Date, as its Chief Executive Officer, and the Executive
hereby accepts such employment under and subject to the terms and conditions hereinafter set forth. The Executive shall perform his services at the Company’s principal place of business in New Jersey. Executive acknowledges that he may be
required to travel in connection with the performance of his duties. 
 Section 2. Term of Employment. The Executive’s
employment with the Company shall commence on the Start Date and end on the last day of employment upon termination by either party, as set forth herein. 

Section 3. Duties. The Executive shall perform services in a manner consistent with the Executive’s position as President and
Chief Executive Officer of the Company, subject to the general supervision and direction of the Board of Directors of the Company (the “Board”). The Executive shall report solely and directly to the Board and, for the
avoidance of doubt, shall not report to any specific member of the Board. The Executive hereby agrees to devote substantially all of his business time, skill, attention, and reasonable best efforts to the faithful performance of such duties and to
the promotion of the business and affairs of the Company during his employment with the Company. Notwithstanding the foregoing, the Executive may (a) serve on the boards of trade associations and charitable organizations, (b) engage in
charitable and educational activities and community affairs, (c) manage the Executive’s personal investments and affairs and (d) subject to the Company’s approval which shall not be unreasonably withheld,

 
serve on the board of directors of one unaffiliated company. In addition, the Executive shall be appointed as a member of the Board upon the Start Date, and the Executive acknowledges that he
shall perform such services without additional compensation and such service shall be deemed part of the Executive’s duties and responsibilities hereunder. The Company shall use best efforts for Executive to be nominated for election to the
Board in subsequent years while Executive serves as the Chief Executive Officer. 
 Section 4. Base Salary. In consideration of
the services rendered by the Executive under this Agreement, the Company shall pay the Executive a base salary (the “Base Salary”) at the rate of one million one hundred thousand dollars ($1,100,000) per calendar year,
payable in accordance with the Company’s applicable payroll practices. The Base Salary shall be subject to review and increase (but may not decrease, unless the reduction in Base Salary is (i) part of a program approved by the Board, or
its delegate, the Human Resources and Compensation Committee (collectively, the “Committee”) that affects all executives on a consistent basis and (ii) no greater than 10% in the aggregate) by the Committee in its sole
discretion. References in this Agreement to “Base Salary” shall be deemed to refer to the most recently effective annual base salary, unless otherwise specifically set forth herein. 

Section 5. Additional Benefits. In addition to the Base Salary, the Executive shall be entitled to the following additional
benefits: 
 Section 5.01 Annual Short-Term Management Incentive Plan. The Executive shall be eligible to participate in an
annual short-term management incentive plan established by the Committee (the “STIP”) pursuant to which the Executive will have the opportunity to earn a cash incentive bonus in respect of each year of employment (the
“Annual Bonus”), subject to terms established by the Committee from time to time. The Executive’s annual cash bonus target (the “Target Bonus”) and maximum cash bonus shall equal 135% of the Base
Salary and 250% of the Base Salary (prorated for any partial year of employment), respectively. The actual bonus earned by the Executive in respect of a given year, if any, shall be based on performance metrics to be determined by the Committee, in
its sole discretion. For the avoidance of doubt, except as provided in Sections 7.01 through 7.04, the Executive’s participation in the STIP and his right to earn any cash bonus thereunder shall be subject to the same terms and conditions
established by the Committee for other executive officers of the Company. For the 2022 Annual Bonus, the Executive shall be guaranteed a cash incentive bonus amount equal to seven hundred forty-two thousand
five hundred dollars ($742,500), representing 50% of the Executive’s Target Bonus, subject to the Executive’s continued employment with the Company through the payment date, except as provided herein. The Annual Bonus shall be paid to the
Executive in accordance with the STIP and at the same time other executive annual bonuses under the STIP are paid. 
 Section 5.02
Equity Grant. 

  
 2 

 (a) On or within 30 calendar days following the Start Date, the Executive shall be granted a
one-time equity award (the “Initial Grant”) covering 450,545 ordinary shares of the Company. 50% of the Initial Grant shall consist of restricted stock units
(“RSUs”) that will vest ratably on each of the first three (3) anniversaries of the Start Date and the remaining 50% of the Initial Grant shall consist of performance stock units (“PSUs”) that
will cliff vest at the end of a performance period beginning on the effective date of the Company’s emergence from Chapter 11 restructuring and ending in December 2024 (the “Performance Period”) based on the
Company’s attainment of total shareholder return (“TSR”) during the Performance Period relative to the TSR generated by the NYSE Arca Pharmaceutical Index (or another peer group of pharmaceutical companies selected by the Committee in
good faith consultation with the Executive) during the Performance Period. The terms and conditions applicable to the Initial Grant shall be consistent with those applicable to RSUs and PSUs issued under the Company’s Management Incentive Plan
(the “MIP”), except as otherwise set forth herein. Notwithstanding anything set forth in the MIP, “Cause”, “Change in Control Termination”, “Disability”, and “Good Reason” shall have
the meanings set forth herein with respect to the Initial Grant and any other awards that may be granted to Executive under the MIP. 
 (b)
Beginning in fiscal year 2023 and for each subsequent fiscal year, Executive shall be eligible to participate in, and receive grants of RSUs, PSUs or other forms of equity compensation subject to the terms of any of the Company’s equity
compensation plans and related documents, including, without limitation, the MIP (the “Annual Grant”). The target value for the Annual Grant in respect of fiscal year 2023 shall be not less than four million dollars
($4,000,000). The terms and conditions of each Annual Grant, including, without limitation, with respect to the form of such equity compensation and vesting terms thereof, shall be determined by the Committee in good faith based on then-current
market data and taking into account corporate and individual performance. 
 Section 5.03 Benefits. The Executive shall be
entitled to participate in the Company’s health, welfare, and other benefit plans and programs, including vacation, that are in effect for its executive officers from time to time, subject to the terms and conditions of such plans and such
participation in each case shall be on terms and conditions no less favorable to the Executive than executive officers of the Company generally; provided, that such plans may be amended, modified, or terminated at any time so long as
Executive is not treated less favorably than executive officers of the Company generally. 
 Section 5.04 Reimbursement of
Expenses. The Company shall reimburse the Executive for all reasonable, necessary, and documented expenses actually incurred by the Executive directly in connection with the business affairs of the Company and the performance of his duties
hereunder, upon presentation of proper receipts or other proof of expenditure and subject to such reasonable guidelines or limitations that are applicable generally to executive officers of the Company, as provided by the Company from time to time.
The Executive shall comply with such reasonable limitations and reporting requirements with respect to such expenses as the Committee may establish from time to time, in each case that are applicable generally to executive officers of the Company.
Except to the extent specifically provided, however, the Executive shall not use Company funds for non-business, non-Company related matters or for personal matters.

  
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 Section 5.05 Indemnification and D&O Insurance. The Company shall provide
Executive with indemnification and liability insurance coverage to the maximum extent permitted by the Company’s and its subsidiaries’ and affiliates’ organizational documents, including, if applicable, any directors’ and
officers’ insurance policies, with such indemnification to be on terms determined by the Committee or any of its committees, but on terms no less favorable than provided to any other Company executive officer or director and subject to the
terms of any separate written indemnification agreement. 
 Section 5.06 Legal Fees. The Company shall reimburse the Executive
for reasonable, documented legal fees incurred by the Executive in connection with the negotiation, drafting and execution of this Agreement (including exhibits), which reimbursement shall not exceed twenty-five thousand dollars ($25,000). 

Section 6. Termination. This Agreement and the Executive’s employment hereunder shall be terminated as follows: 

Section 6.01 Death. This Agreement and the Executive’s employment hereunder shall automatically terminate upon the death of
the Executive. 
 Section 6.02 Permanent Disability. In the event of any physical or mental disability of the Executive
rendering the Executive substantially unable to perform his duties hereunder for a continuous period of at least 90 days or for at least 120 days out of any twelve (12)-month period after reasonable accommodation that, in any case, meets the
requirements for disability benefits under the Company’s long-term disability plan (a “Permanent Disability”), the Executive’s employment under this Agreement shall terminate automatically. Any determination of
Permanent Disability shall be made by the Board in consultation with a qualified physician or physicians selected by the Executive and reasonably acceptable to the Board. The failure of the Executive to submit to a reasonable examination by a
physician or physicians reasonably acceptable to the Board within thirty (30) day’s following the Board’s request for such an examination shall act as an estoppel to any objection by the Executive to the determination of disability by
the Board. 
 Section 6.03 By the Company for Cause. The employment of the Executive may be terminated by the Company for Cause
(as defined below) at any time, effective upon written notice to the Executive specifying the event(s) or circumstance(s) constituting Cause. For purposes hereof, the term “Cause” shall mean the Executive’s:
(1) substantial refusal to perform duties and responsibilities of his job as required by the Board, other than due to the Executive’s incapacity due to physical or mental illness, which
non-performance has continued for thirty (30) days following the Executive’s receipt of written notice from the Board of such non-performance;
(2) material violation of any fiduciary duty or duty of loyalty owed to the Company or a subsidiary that has a material adverse effect on the Company or such subsidiary; (3) conviction of a misdemeanor (other than a traffic offense)
involving moral turpitude or felony, in each case, other than Limited Vicarious Liability (as defined below); (4) any willful act or omission constituting fraud, embezzlement or theft; (5) violation of a material rule or policy of the
Company or a Company subsidiary, which violation is not cured within ten (10) days following the Executive’s receipt of written notice from the Board of such violation; or (6) unauthorized disclosure of any trade secret or
confidential information of the Company or a 

  
 4 

 
Company subsidiary. No action or inaction shall be treated as willful unless done or not done in bad faith and without a reasonable belief it was in the best interests of the Company and its
subsidiaries. Poor performance shall not in and of itself constitute Cause. Cause shall not occur as a result of actions or inactions based upon directions from the Board. For purposes of this Section 6.03, “Limited Vicarious
Liability” shall mean any liability, other than liability for omissions by the Executive for which he has a duty under which he has disregarded in gross neglect, which is (A) based on acts of the Company for which the Executive is
responsible solely as a result of his office(s) with the Company and (B) provided that (x) he was not directly involved in such acts and either had no prior knowledge of such intended actions or promptly acted reasonably and in good faith
to attempt to prevent the acts causing such liability or (y) he did not have a reasonable basis to believe that a law was being violated by such acts. 

Section 6.04 By the Company without Cause. The Company may terminate the Executive’s employment at any time without Cause
effective upon not less than thirty (30) days’ prior written notice to the Executive; provided, that in lieu of providing the notice described above, the Company may, in its sole discretion, continue to pay the Executive his Base
Salary during such thirty (30) day period. 
 Section 6.05 By the Executive Voluntarily. The Executive may terminate this
Agreement and his employment hereunder at any time effective upon at least sixty (60) days’ prior written notice to the Company; provided, that the Company may, in its sole discretion, within five (5) days of its receipt of
such notice, waive such notice period and accelerate the date of the Executive’s termination to any date that occurs following the Company’s receipt of such notice without changing the characterization of such termination as a resignation,
even if such date is prior to the date specified in such notice, and any pay in lieu of such notice period or portion thereof that the Company has so waived is capped at thirty (30) days. 

Section 6.06 By the Executive with Good Reason. The Executive may terminate this Agreement effective upon written notice to the
Company with Good Reason (as defined below). Such notice must provide a reasonably detailed explanation of the circumstances constituting Good Reason. For purposes of this Agreement, the term “Good Reason” shall mean, without
the Executive’s express written consent: (1) a material reduction in the Executive’s Base Salary, other than as permitted by Section 4; (2) a material diminution in the Executive’s title or in the Executive’s authority,
duties, reporting lines or responsibilities (including failure by the Board to nominate the Executive to the Board and support his election); (3) a relocation of the Executive’s principal place of employment by more than fifty (50) miles;
(4) the Company’s failure to timely make the Initial Grant; (5) failure of a successor to the Company to agree to assume and honor this Agreement or (6) any other material breach of this Agreement or any material compensation
agreement by the Company that is not covered by clause (1), (2), (3), (4) or (5) above. Notwithstanding the foregoing, in the event that the Executive provides written notice of termination with Good Reason in reliance upon this
Section 6.06 (such notice to be provided within thirty (30) days of the Executive’s knowledge of the occurrence of the events or circumstances constituting Good Reason), the Company shall have the opportunity to cure such
circumstances within thirty (30) days of receipt of such notice. If the Company shall not have cured such event or events giving rise to Good Reason within thirty (30) days after receipt of written notice from the Executive, the Executive
may terminate employment for Good Reason by delivering a resignation letter to the Company within thirty (30) business days following such thirty (30) day cure period; provided, that if the Executive has not delivered such
resignation letter to the Company within such thirty (30) business day period, or has not provided written notice to the Company within thirty (30) days of the occurrence of the events or circumstances constituting Good Reason, the
Executive waives the right to terminate employment for Good Reason. 

  
 5 

 Section 7. Effect of Termination. 

Section 7.01 Death, Permanent Disability, Voluntary Termination without Good Reason, Termination for Cause. Upon any termination
of the Executive’s employment under this Agreement either (i) voluntarily by the Executive without Good Reason, (ii) by the Company for Cause, or (iii) as a result of the Executive’s death or Permanent Disability, all
payments, salary and other benefits hereunder shall cease at the effective date of termination. Notwithstanding the foregoing, the Company shall pay or provide to the Executive (a) all salary earned or accrued through the date the
Executive’s employment is terminated, (b) reimbursement for any and all monies advanced by the Executive in connection with the Executive’s employment for reasonable and necessary expenses incurred by the Executive through the date
the Executive’s employment is terminated, (c) except upon termination of the Executive’s employment by the Company for Cause, any unpaid Annual Bonus earned in a prior calendar year, based on the actual level of achievement of the
applicable targets or performance as determined by the Committee at the end of such calendar year, (d) solely upon a termination of employment as a result of Executive’s death or Disability, a prorated portion of the Target Bonus payable
with respect to the year in which the termination occurs and all outstanding equity awards held by the Executive shall be treated in accordance with the terms of the MIP, and (e) all other payments and benefits to which the Executive may be
entitled under the terms of any applicable compensation arrangement or benefit plan or program of the Company, including any earned and accrued, but unused, vacation pay, but excluding any bonus payments (collectively, “Accrued
Benefits”), except that, for this purpose, Accrued Benefits shall not include any entitlement to severance under any Company severance policy generally applicable to the Company’s salaried employees. 

Section 7.02 Retirement. In the event that the Executive’s employment under this Agreement is terminated due to Early
Retirement or Normal Retirement (as such terms are defined in the MIP), all outstanding equity awards held by the Executive shall be treated in accordance with the terms of the MIP; provided that, when the Executive attains age 60, the
Executive shall be credited by the Company with an additional four (4) years of service for the purposes of meeting the requirements to constitute “Normal Retirement” under the MIP. 

Section 7.03 Termination without Cause or Voluntary Termination with Good Reason. In the event that the Executive’s
employment under this Agreement is terminated by the Company without Cause or by the Executive with Good Reason, the Company shall pay or provide to Executive as his exclusive severance benefit right and remedy in respect of such termination,
(i) his Accrued Benefits, except that, for this purpose, Accrued Benefits shall not include entitlement to severance under any Company severance policy generally applicable to the Company’s salaried employees, (ii) as long as the
Executive does not violate in any material respects the provisions of Section 8 and Section 9 hereof, severance pay as follows (collectively, the “Severance Benefits”): 

  
 6 

 (a) an amount equal to the product of (i) the sum of his Base Salary and Target Bonus
(in each case, not taking into account, for this and other severance provisions, reductions which would constitute Good Reason or were otherwise made in the prior six (6) months) multiplied by (ii) two (the “Severance
Multiplier”), net of deductions and tax withholdings, as applicable, and payable in installments commencing on the first regular payroll following the effective date of the Release (as defined below); 

(b) a prorated portion of the Target Bonus payable with respect to the year in which the termination occurs, and payable in a lump sum on the
first regular payroll following the effective date of the Release; 
 (c) if continued coverage under the Company’s health and welfare
plans is timely elected by the Executive, payment of any insurance premiums pursuant to the Consolidated Omnibus Budget Reconciliation Act of 1985, as amended, and the regulations promulgated thereunder (“COBRA”) from the
date of the Executive’s termination until the earlier of (i) the eighteen (18) month anniversary of the date of the Executive’s termination, (ii) the first date that the Executive is no longer eligible for COBRA and
(iii) the date the Executive has commenced new employment and has thereby become eligible for comparable benefits, subject to the Executive’s rights under COBRA; 

(d) equity treatment such that all of the Executive’s unvested and outstanding equity awards that would have become vested had the
Executive remained employed by the Company for the twelve (12) months following the Executive’s termination of employment shall vest as of the effective date of the Release, except that (i) the Initial Grant shall immediately vest in
full, (ii) the pro-rata portion of PSUs (other than any outstanding PSUs of the Initial Grant) shall remain eligible to vest at the completion of the Performance Period and shall be settled based on
certified performance results and (iii) all other outstanding and unvested RSUs and PSUs held by the Executive shall be forfeited as of the date of the Executive’s termination; and 

(e) coverage of the cost of outplacement services for the Executive at the level and outplacement agency that the Company regularly uses for
such purpose for similar level executives; provided, however, that the period of outplacement shall not exceed twelve (12) months after the Executive’s termination of employment or, if earlier, the date of Executive’s
death. 
 Section 7.04 Termination without Cause or Voluntary Termination with Good Reason Upon a Change
in Control. If the Executive’s employment is terminated by the Company without Cause or by the Executive with Good Reason during the period beginning 120 days prior to the date of a Change in Control (as defined in the MIP) and ending
twenty-four (24) months after the date of such Change in Control (a “Change in Control Termination”), then the Executive shall receive the Severance Benefits with the following enhancements: (a) the Severance Multiplier
shall equal two and a half (2.5) applied to his Base Salary and Target Bonus and the related cash severance payment shall be paid in lump sum on the first payroll date following the effective date of the Release (or, if later, the Change in Control)
and (b) all of the Executive’s unvested and outstanding RSUs, PSUs and other equity awards shall immediately vest as of the effective date of the Release (or, if later, the Change in Control), except that the Executive’s outstanding
PSUs shall vest in full and be settled based on the greater of (i) target 

  
 7 

 
and (ii) actual performance results achieved through the end of the Performance Period as truncated upon the consummation of the Change in Control in alignment with the Company’s
shareholders. In the event of a Change in Control Termination prior to the occurrence of the Change in Control (x) payments under this Section 7.04 shall be reduced by any payments made previously under Section 7.03 hereof and
(y) if necessary to comply with the provisions of Code Section 409A (as defined below) certain severance payments shall continue to be made in installments. 

Section 7.05 Accrued Benefits. Notwithstanding anything else herein to the contrary, all Accrued Benefits to which the Executive
(or his estate or beneficiary) is entitled shall be payable in cash promptly upon the effective date of termination, except as otherwise specifically provided herein, or under the terms of any applicable policy, plan, or program; provided,
that all Accrued Benefits shall be paid no later than December 31 of the calendar year immediately following the calendar year of the Executive’s termination. 

Section 7.06 No Other Benefits. Except as explicitly provided in this Section 7, the Executive shall not be entitled to any
compensation, severance, or other benefits from the Company or any of its subsidiaries or affiliates upon or following the termination of the Executive’s employment for any reason whatsoever. Notwithstanding anything else herein to the
contrary, all payments and benefits due to the Executive under this Section 7 after termination of employment which are not otherwise required by law (other than Accrued Benefits) shall be contingent upon execution by the Executive (or the
Executive’s beneficiary or estate) of a general release of all claims, to the maximum extent permitted by law, against the Company, its affiliates, and its then current and former equity holders, directors, employees, and agents, in
substantially the form attached hereto as Exhibit A (the “Release”) and such Release becoming irrevocable no later than thirty (30) days following the Executive’s termination of employment. 

Section 7.07 Resignation as an Officer and Director. If the Executive’s employment with the Company terminates for any
reason, the Executive will be deemed to have automatically resigned, effective as of the date of termination of his employment with the Company, from all positions with the Company and its subsidiaries and affiliates (including as a member of the
Board), unless otherwise mutually agreed by the parties in writing, and the Executive agrees to execute any documents needed to effect the foregoing. 

Section 7.08 No Mitigation. The Executive shall not be required to mitigate the amount of any payment provided pursuant to
Section 7 by seeking other employment or otherwise, and the amount of any payment provided for pursuant to Section 7 shall not be reduced by any compensation earned as a result of the Executive’s other employment or otherwise. 

Section 7.09 Survival of Certain Provisions. Provisions of this Agreement shall survive any termination of the Executive’s
employment if so provided herein, including, without limitation, the obligations of the Executive under Sections 8 and 9 hereof. The obligation of the Company to make payments to or on behalf of the Executive under this Section 7 hereof is
expressly conditioned upon the Executive’s continued performance in all material respects of Executive’s obligations under Section 8 and Section 9 hereof. The Executive recognizes that, except as expressly provided in this
Section 7, no compensation is earned after termination of employment. 

  
 8 

 Section 8. Confidentiality; Assignment of Inventions. 

Section 8.01 Confidentiality. The Executive acknowledges that he is in possession of confidential information concerning the
business and operations of the Company and its subsidiaries and affiliates, including the identity of customers and suppliers (the “Confidential Information”). The Executive agrees that he shall keep all such Confidential
Information strictly confidential and use such Confidential Information only for the purpose of fulfilling his obligations hereunder and in order to perform any service to the Company and its subsidiaries and affiliates as a director, consultant, or
employee, and not for any other purpose. Notwithstanding the foregoing, Confidential Information shall not include any information that (i) has become publicly known and made generally available or is known within the Company’s industry
through no wrongful act of the Executive or (ii) is required to be disclosed by applicable laws, court order or subpoena or a governmental or regulatory agency (or similar body or entity) after, to the extent legally permitted, providing prompt
written notice of such request to the Board so that the Company may seek an appropriate protective order or other appropriate remedy. The Executive may also disclose Confidential Information to the extent required pursuant to any legal process
between the Executive and the Company or any of its subsidiaries or affiliates. 
 Section 8.02 Assignment of Inventions. The
Executive agrees to assign and transfer to the Company or its designee, without any separate remuneration or compensation, his entire right, title, and interest in and to all Inventions (as defined below), together with all United States and foreign
rights with respect thereto, and at the Company’s expense to execute and deliver all appropriate patent and copyright applications for securing United States and foreign patents and copyrights on Inventions, and to perform all lawful acts,
including giving testimony, and to execute and deliver all such instruments that may be necessary or proper to vest all such Inventions and patents and copyrights with respect thereto in the Company, and to assist the Company in the prosecution or
defense of any interference which may be declared involving any of said patent applications, patents, copyright applications, or copyrights. For the purposes of this Agreement, “Inventions” shall mean any discovery, process,
design, development, improvement, application, technique, or invention, whether patentable or copyrightable or not and whether reduced to practice or not, conceived or made by the Executive, individually or jointly with others (whether on or off the
Company’s premises or during or after normal working hours), while in the employ of the Company and (x) which was or is directly or indirectly related to the business of the Company or any of its subsidiaries or (y) which resulted or
results from any work performed by any executive or agent thereof during the Executive’s employment with the Company. 

Section 8.03 Return of Documents upon Termination of Employment. All notes, letters, documents, records, tapes, and other media of
every kind and description relating to the business, present or otherwise, of the Company or its affiliates, and any copies, in whole or in part, thereof (collectively, the “Documents”), whether or not prepared by the
Executive, shall be the sole and exclusive property of the Company. The Executive shall safeguard all Documents and shall surrender to the Company at the time his employment terminates, or at such earlier time or times as the Board or its designee
may specify, all Documents then in the Executive’s possession or control. Notwithstanding the foregoing, the Executive may retain all information, documentation and devices personal to the Executive; provided that such materials do not
contain Confidential Information, and the Company will cooperate in transferring any personal information from Company devices to the Executive’s personal devices. 

  
 9 

 Section 8.04 Whistleblower Acknowledgement. Notwithstanding anything to the
contrary contained herein, nothing in this Agreement shall prohibit the Executive from reporting possible violations of federal law or regulation to or otherwise cooperating with or providing information requested by any governmental agency or
entity, including, but not limited to, the Department of Justice, the Securities and Exchange Commission, the Congress, and any agency Inspector General, or making other disclosures that are protected under the whistleblower provisions of federal
law or regulation. The Executive does not need the prior authorization of the Company to make any such reports or disclosures and the Executive is not required to notify the Company that he has made such reports or disclosures. 

Section 8.05 Trade Secret Acknowledgement. Notwithstanding anything to the contrary contained herein, the Executive will not be
held criminally or civilly liable under any federal or state trade secret law for any disclosure of a trade secret that is made: (i) in confidence to a federal, state, or local government official, either directly or indirectly, or to an
attorney; and (ii) solely for the purpose of reporting or investigating a suspected violation of law; or is made in a complaint or other document that is filed under seal in a lawsuit or other proceeding. If the Executive files a lawsuit for
retaliation by the Company for reporting a suspected violation of law, the Executive may disclose the Company’s trade secrets to his attorney and use the trade secret information in the court proceeding if the Executive: (A) files any
document containing the trade secret under seal; and (B) does not disclose the trade secret, except pursuant to court order. 

Section 9. Restrictions on Activities of the Executive. 

Section 9.01 Acknowledgments. The Executive and the Company agree that the Executive is being employed hereunder in a key capacity
with the Company and that the Company is engaged in a highly competitive business and that the success of the Company’s business in the marketplace depends upon its good will and reputation for quality and dependability. The Executive and the
Company further agree that reasonable limits may be placed on the Executive’s ability to compete against the Company as provided herein to the extent that they protect and preserve the legitimate business interests and good will of the Company
and are reasonable and valid in geographical and temporal scope and in all other respects. Notwithstanding anything to the contrary herein, the covenants contained in this Section 9 shall be in addition to, and not in lieu of, and shall not
amend, modify, abrogate, or otherwise alter any other restrictive covenants by which the Executive is bound pursuant to any other written agreement with the Company or its subsidiaries or affiliates. 

Section 9.02 Restrictions. During the Executive’s employment with the Company and during the twelve (12) month period
following the date of the Executive’s termination from employment with the Company for any reason (the “Restricted Period”), the Executive shall not: 

  
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 (a) directly or indirectly engage in, provide services to, have any equity interest in, or
manage or operate any individual, firm, corporation, partnership, business or entity (a “Business”) (whether as director, officer, employee, principal, agent, representative, owner, partner, member, security holder,
consultant or otherwise) that engages in (either directly or through any subsidiary or Affiliate thereof) any business or activity in any geographic location in which the Company, its subsidiaries or Affiliates engage in, whether through selling,
distributing, manufacturing, marketing, purchasing, or otherwise, that competes with any of the businesses of the Company or any entity owned by the Company (a “Competing Business”); provided that a “Competing
Business” shall not include (i) hospitals or pharmacies that purchase Company products or similar products or (ii) retailers or wholesalers that sell Company products or similar products; 

(b) directly or indirectly solicit or recruit, on his own behalf or on behalf of any other Business, the services of, or hire or engage, or
interfere with the Company’s relationship with, any individual who is (or, at any time during the previous twelve (12) months, was) an employee, independent contractor or director of the Company, or solicit any of the Company’s
then-current employees, independent contractors or directors to terminate services with the Company; 
 (c) directly or indirectly, on his
own behalf or on behalf of any other Business, recruit or otherwise solicit for a Competing Business, any customer, client, distributor, vendor, supplier, licensee, licensor or other business relation of the Company, or encourage or induce any such
Person to terminate its arrangement with the Company or otherwise change or interfere with its relationship with the Company. 
 Notwithstanding the
foregoing, none of the following activities shall constitute a violation of this Section 9.02 to the extent (and solely to the extent) set forth in this paragraph: (i) the solicitation (but not hiring) by advertisement of job openings by
use of newspapers, magazines, the Internet, other media, and search firms not directed at individual prospective employees covered by this Section 9.02 shall not violate Section 9.02(b); (ii) providing a reference for an employee or
independent contractor shall not violate Section 9.02(b), (iii) soliciting or hiring an independent contractor or director who is not exclusive to the Company shall not violate Section 9.02(b) so long as Executive does not solicit such an
independent contractor to terminate services with the Company; (iii) holding not more than five percent (5%) of the outstanding securities of any class of any securities of a company or other entity that is engaged in a Competing Business shall
not violate Section 9.02(a); and (iv) providing services to a unit, division, subsidiary or affiliate of an entity engaging in a Competing Business if the unit, division, subsidiary or affiliate for which the Executive is providing
services is not engaging in the Competing Business. The Restricted Period shall be tolled during (and shall be deemed automatically extended by) any period in which the Executive is in violation of any of the provisions of this Section 9.02.

 Section 9.03 THE EXECUTIVE REPRESENTS AND WARRANTS THAT THE KNOWLEDGE, SKILLS, AND ABILITIES HE POSSESSES AT THE TIME OF
COMMENCEMENT OF EMPLOYMENT HEREUNDER ARE SUFFICIENT TO PERMIT HIM, IN THE EVENT OF TERMINATION OF HIS EMPLOYMENT HEREUNDER, TO EARN A LIVELIHOOD SATISFACTORY TO HIMSELF WITHOUT VIOLATING ANY PROVISION OF SECTION 8 OR 9 HEREOF, FOR EXAMPLE, BY USING
SUCH KNOWLEDGE, SKILLS, AND ABILITIES, OR SOME OF THEM, IN THE SERVICE OF A NON-COMPETITOR. 

  
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 Section 9.04 Non-Disparagement. 

(a) The Executive shall not, during the term of his employment or at any time thereafter, whether in writing or orally, malign, denigrate, or
disparage the Company or any of its subsidiaries or affiliates, or any of their respective current or former directors, officers, or employees of any of the foregoing, with respect to any of their respective past or present activities, or otherwise
publish (whether in writing or orally) statements that tend to portray any of the aforementioned parties in an unfavorable light. The Executive understands that nothing in this Agreement is intended to prevent Executive from making truthful
statements (i) in any legal proceeding or as otherwise required by law, or from reporting possible violations of federal law or regulation to a governmental agency or entity; (ii) when requested by a governmental, regulatory, or similar
body or entity; (iii) in confidence to a professional advisor for the purpose of securing professional advice; (iv) in the course of performing Executive’s duties during the Executive’s term of employment (e.g., performance
reviews); or (v) in response to statements, references or characterizations made, directly or indirectly, by the Company that are misleading, disparage the Executive, or reflect negatively on the Executive. 

(b) The Company shall instruct the members of the Board and its executive officers not to make any statements, during the term of the
Executive’s employment or at any time thereafter, that disparage the Executive and neither the Company nor the Board shall make any public official statement disparaging Executive, except in response to statements, references or
characterizations made, directly or indirectly, by the Executive that are misleading, disparage the Company, or any of its subsidiaries or affiliates, or reflect negatively on the Company, or any of its subsidiaries or affiliates, regarding the
circumstances of the Executive’s employment. 
 Section 10. Remedies. It is expressly understood and agreed that,
notwithstanding anything to the contrary herein, in the event of any breach of the provisions of Section 8 or 9 of this Agreement, the Company and its subsidiaries and affiliates shall have the right and remedy, without regard to any other
available remedy, to (i) have the restrictive covenants set forth in Section 8 or 9 specifically enforced by any court of competent jurisdiction, (ii) seek to have issued an injunction restraining any breach or threatened breach
without posting of a bond, and (iii) seek any and all other remedies available to the Company and its subsidiaries and affiliates under applicable law; it being understood that any breach of any of the restrictive covenants set forth in
Section 8 or 9 could cause irreparable and material damages to the Company and its subsidiaries and affiliates (including, for the avoidance of doubt, any loss of the proprietary advantage and trade secrets related to the identity of customers
and suppliers), the amount of which cannot be readily determined and as to which neither the Company nor any of its subsidiaries or affiliates will have any adequate remedy at law or in damages. The Executive agrees that any remedy at law for any
breach by the Executive of the restrictive covenants set forth in Section 8 or 9 would be inadequate, and that the Company and its subsidiaries and affiliates would be entitled to seek injunctive relief in such a case. If it is ever held that
this restriction on the Executive is too onerous and is not necessary for the protection of the Company and its subsidiaries and affiliates, the Executive agrees that any court of competent jurisdiction may impose such lesser restrictions that may
be necessary or appropriate to properly protect the Company and its subsidiaries and affiliates. For the avoidance of doubt, the failure in one or more instances of the Company or any of its subsidiaries or affiliates to insist upon performance of
any of the covenants or restrictive covenants set forth in Section 8 or 9, to 

  
 12 

 
exercise any right or privilege herein conferred, or the waiver by the Company or its subsidiaries or affiliates of any breach of any of the covenants or restrictive covenants set forth in
Section 8 or 9 shall not be construed as a subsequent waiver by the Company or its subsidiaries or affiliates of any breach of any of the covenants or restrictive covenants set forth in Section 8 or 9, but the same shall continue and
remain in full force and effect as if no forbearance or waiver had occurred. 
 Section 11. Severable Provisions. The provisions
of this Agreement are severable and the invalidity of any one or more provisions shall not affect the validity of any other provision. In the event that a court of competent jurisdiction shall determine that any provision of this Agreement or the
application thereof is unenforceable in whole or in part because of the duration or scope thereof, the parties hereto agree that said court in making such determination shall have the power to reduce the duration and scope of such provision to the
extent necessary to make it enforceable, and that the Agreement in its reduced form shall be valid and enforceable to the full extent permitted by law. 

Section 12. Notices. Any and all notices or other communication required or permitted to be given under any of the provisions of
this Agreement shall be in writing and shall be deemed to have been duly given (i) upon delivery if personally delivered, (ii) three (3) days after deposit if sent by first class registered mail, return receipt requested, (iii) one
(1) day after deposit if sent by a reputable overnight courier, or (iv) upon confirmation if sent by facsimile or email, addressed to the parties at the addresses set forth below (or at such other address as any party may specify by notice to
all other parties given as aforesaid): 
  

			
	If to the Company:	  	ST Shared Services LLC
		  	675 McDonnell Boulevard
		  	Hazelwood, Missouri 63042
		  	Attention: Chief Human Resource Officer
		  	Facsimile: 908-997-9400
		
		  	with a copy to:
		
		  	Paul, Weiss, Rifkind, Wharton & Garrison LLP
		  	1285 Avenue of the Americas
		  	New York, New York 10019
		  	Attention: Jean M. McLoughlin, Esq.
		  	Facsimile: 212-492-0135
		  	Email: jmcloughlin@paulweiss.com
		
	If to the Executive:	  	at the most recent address on file for the Executive in the Company’s records
		
		  	with a copy to:
		
		  	Michael S. Katzke
		  	1345 Avenue of the Americas
		  	New York, New York 10105
		  	Email: katzke@kmexeccomp.com

  
 13 

 or to such other address as a party may notify the other pursuant to a notice given in accordance with this
Section 12. 
 Section 13. Miscellaneous. 

Section 13.01 Amendment. This Agreement may not be amended or revised except by a writing signed by the parties. 

Section 13.02 Assignment and Transfer. The provisions of this Agreement shall be binding on and shall inure to the benefit of any
successor in interest to the Company. Neither this Agreement nor any of the rights, duties, or obligations of the Executive or the Company shall be assignable by the Executive or the Company, except with respect to a successor, nor shall any of the
payments required or permitted to be made to the Executive by this Agreement be encumbered, transferred, or in any way anticipated, except as required by applicable laws. This Agreement shall not be terminated by, nor shall it be deemed an
assignment of this Agreement upon, the merger or consolidation of the Company with any corporate or other entity or by the transfer of all or substantially all of the assets of the Company to any other person, corporation, firm, or entity. However,
all rights of the Executive under this Agreement shall inure to the benefit of and be enforceable by the Executive’s personal or legal representatives, estates, executors, administrators, heirs, and beneficiaries. All amounts payable to the
Executive hereunder shall be paid, in the event of the Executive’s death, to the Executive’s estate, heirs, or representatives. 

Section 13.03 Waiver of Breach. A waiver by the Company or the Executive of any breach of any provision of this Agreement by the
other party shall not operate or be construed as a waiver of any other or subsequent breach by the other party. 
 Section 13.04
Entire Agreement. This Agreement contains the entire agreement of the parties with respect to the subject matter hereof and supersedes all prior agreements, understandings, negotiations, and discussions, whether oral or written, of the
parties, including, without limitation, any term sheet related to the subject matter hereof. 
 Section 13.05 Withholding. The
Company shall withhold from any amounts to be paid or benefits provided to the Executive hereunder any federal, state, local, or foreign withholding or other taxes or charges which it is from time to time required to withhold. The Company shall be
entitled to rely on an opinion of counsel if any question as to the amount or requirement of any such withholding shall arise. 

Section 13.06 Captions. Captions herein have been inserted solely for convenience of reference and in no way define, limit, or
describe the scope or substance of any provision of this Agreement. 
 Section 13.07 Counterparts. This Agreement may be
executed in one or more counterparts (including by facsimile transmission or electronic image scan (PDF)), each of which shall be deemed an original and shall have the same effect as if the signatures hereto and thereto were on the same instrument.

  
 14 

 Section 13.08 Governing Law; No Construction Against Drafter. This Agreement
shall be construed under and enforced in accordance with the laws of the State of New York without regard to conflicts of law principles. No provision of this Agreement or any related document will be construed against or interpreted to the
disadvantage of any party hereto by any court or other governmental or judicial authority by reason of such party having or being deemed to have structured or drafted such provision. 

Section 13.09 Dispute Resolution. Any controversy or claim between the Executive and the Company arising out of or relating to or
concerning this Agreement or any aspect of the Executive’s employment with the Company or the termination of that employment will be finally settled by binding arbitration in New York, New York administered by the American Arbitration
Association under its Rules for the Resolution of Employment Disputes; provided, however, that with respect to any controversy or claim arising out of or relating to or concerning injunctive relief for the Executive’s breach or
purported breach of Section 8 or 9 of this Agreement, the Company will have the right, in addition to any other remedies it may have, to seek specific performance and injunctive relief with a court of competent jurisdiction, without the need to
post a bond or other security. Each of the Executive and the Company will bear its own legal expenses and will share the arbitration costs equally. 

Section 13.10 Representations of Executive; Advice of Counsel. 

(a) The Executive represents, warrants, and covenants that as of the Effective Date and the Start Date: (i) the Executive has the full
right, authority, and capacity to enter into this Agreement and upon the Start Date perform the Executive’s obligations hereunder and his application for employment with the Company has been truthful and complete, (ii) as of the Start
Date, the Executive will not be bound by any agreement that conflicts with or prevents or restricts the full performance of the Executive’s duties and obligations to the Company hereunder during or after his employment with the Company,
(iii) the execution and delivery of this Agreement shall not result in any breach or violation of, or a default under, any existing obligation, commitment, or agreement to which the Executive is subject, (iv) the Executive has disclosed to
the Company all pending or closed litigations, judgments, or regulatory matters involving the Executive and (v) the Executive acknowledges and understands that the offer of employment by the Company to the Executive is subject to the
Executive’s completion of all pre-employment requirements of the Company (including, but not limited to, a satisfactory background check). 

(b) Prior to execution of this Agreement, the Executive was advised by the Company of the Executive’s right to seek independent advice
from an attorney of the Executive’s own selection regarding this Agreement. The Executive acknowledges that the Executive has entered into this Agreement knowingly and voluntarily and with full knowledge and understanding of the provisions of
this Agreement after being given the opportunity to consult with counsel. The Executive further represents that in entering into this Agreement, the Executive is not relying on any statements or representations made by any of the Company’s
directors, officers, employees, or agents which are not expressly set forth herein, and that the Executive is relying only upon the Executive’s own judgment and any advice provided by the Executive’s attorney. 

  
 15 

 Section 13.11 Code Section 409A. Notwithstanding anything to
the contrary contained in this Agreement: 
 (a) The parties agree that this Agreement shall be interpreted to comply with or be exempt from
Section 409A of the Internal Revenue Code of 1986, as amended (the “Code”), and the regulations and guidance promulgated thereunder to the extent applicable (collectively, “Code
Section 409A”), and all provisions of this Agreement shall be construed in a manner consistent with the requirements for avoiding taxes or penalties under Code Section 409A. If any provision of this
Agreement contravenes Code Section 409A or would cause the Executive to be subject to additional taxes, interest or penalties under Code Section 409A the Executive and the Company shall discuss in good faith modifications to this Agreement
in order to mitigate or eliminate such taxes, interest or penalties. In making such modifications the Company and the Executive shall reasonably attempt to maintain the original intent of the applicable provision without contravening the provisions
of Code Section 409A to the maximum extent practicable. In no event whatsoever will the Company be liable for any additional tax, interest, or penalties that may be imposed on the Executive under Code Section 409A or any damages for
failing to comply with Code Section 409A. 
 (b) A termination of employment shall not be deemed to have occurred for purposes of any
provision of this Agreement providing for the payment of any amounts or benefits considered “nonqualified deferred compensation” under Code Section 409A upon or following a termination of employment unless such
termination is also a “separation from service” within the meaning of Code Section 409A and, for purposes of any such provision of this Agreement, references to a “termination,” “termination of
employment” or like terms shall mean “separation from service.” If the Executive is deemed on the date of termination to be a “specified employee” within the meaning of that term under Code
Section 409A(a)(2)(B), then with regard to any payment or the provision of any benefit that is considered nonqualified deferred compensation under Code Section 409A payable on account of a “separation from service,” such payment
or benefit shall be made or provided at the date which is the earlier of (i) the expiration of the six (6)-month period measured from the date of such “separation from service” of the Executive, and (ii) the date of the
Executive’s death (the “Delay Period”). Upon the expiration of the Delay Period, all payments and benefits delayed pursuant to this Section 13.11(b) (whether they would have otherwise been payable in a single sum or
in installments in the absence of such delay) shall be paid or reimbursed on the first business day following the expiration of the Delay Period to the Executive in a lump sum with interest during the Delay Period at the prime rate, and any
remaining payments and benefits due under this Agreement shall be paid or provided in accordance with the normal payment dates specified for them herein. 

(c) With regard to any provision herein that provides for reimbursement of costs and expenses or
in-kind benefits, except as permitted by Code Section 409A, (i) the right to reimbursement or in-kind benefits shall not be subject to liquidation or exchange
for another benefit, (ii) the amount of expenses eligible for reimbursement, or in-kind benefits, provided during any taxable year shall not affect the expenses eligible for reimbursement, or in-kind benefits, to be provided in any other taxable year, provided, that, this clause (ii) shall not be violated with regard to expenses reimbursed under any arrangement covered by Internal
Revenue Code Section 105(b) solely because such expenses are subject to a limit related to the period the arrangement is in effect, and (iii) such payments shall be made on or before the last day of the Executive’s taxable year
following the taxable year in which the expense occurred. 

  
 16 

 (d) For purposes of Code Section 409A, the Executive’s right to receive any
installment payments pursuant to this Agreement shall be treated as a right to receive a series of separate and distinct payments. Whenever a payment under this Agreement specifies a payment period with reference to a number of days (e.g.,
“payment shall be made within thirty (30) days following the date of termination”), the actual date of payment within the specified period shall be within the sole discretion of the Company 

Section 13.12 Code Section 280G. 

(a) If there is a change of ownership or effective control or change in the ownership of a substantial portion of the assets of the Company
(within the meaning of Section 280G of the Code) (a “280G Change in Control”) and any payment or benefit (including payments and benefits pursuant to this Agreement) that the Executive would receive from the Company or
otherwise (a “Transaction Payment”) would (i) constitute a “parachute payment” within the meaning of Section 280G of the Code and (ii) but for this sentence, be subject to the excise tax
imposed by Section 4999 of the Code (the “Excise Tax”), then the Company shall cause to be determined, before any amounts of the Transaction Payment are paid to the Executive, which of the following two alternative forms
of payment would result in the Executive’s receipt, on an after-tax basis, of the greater amount of the Transaction Payment notwithstanding that all or some portion of the Transaction Payment may be
subject to the Excise Tax: (A) payment in full of the entire amount of the Transaction Payment (a “Full Payment”), or (B) payment of only a part of the Transaction Payment so that the Executive receives the largest
payment possible without the imposition of the Excise Tax (a “Reduced Payment”, and Executive shall be entitled to payment of whichever amount that shall result in a greater after-tax
amount for Executive. For purposes of determining whether to make a Full Payment or a Reduced Payment, the Company shall cause to be taken into account all applicable federal, state and local income and employment taxes and the Excise Tax (all
computed at the highest applicable marginal rate reasonably applicable to Executive, net of the maximum reduction in federal income taxes which could be obtained from a deduction of such state and local taxes). If a Reduced Payment is made, the
reduction in payments and/or benefits will occur in the following order: (1) first, reduction of cash payments, in reverse order of scheduled payment date (or if necessary, to zero), (2) then, reduction of
non-cash and non-equity benefits provided to the Executive, on a pro rata basis (or if necessary, to zero) and (3) then, cancellation of the acceleration of vesting
of equity award compensation in the reverse order of the date of grant of the Executive’s equity awards. 
 (b) Unless the Executive
and the Company otherwise agree in writing, any determination required under this section shall be made in writing by a nationally recognized accounting firm selected by the Company subject to the approval of the Executive which shall not be
unreasonably withheld (the “Accountants”), whose determination shall be conclusive and binding upon the Executive and the Company for all purposes absent manifest error. For purposes of making the calculations required by
this section, the Accountants may make reasonable assumptions and approximations concerning applicable taxes and may rely on 

  
 17 

 
reasonable, good faith interpretations concerning the application of Sections 280G and 4999 of the Code. Without limiting the generality of the foregoing, any determination by the Accountants
under this Section 13.12(b) will take into account the value of any reasonable compensation for services to be rendered by the Executive (or for holding oneself out as available to perform services and refraining from performing services (such
as under a covenant not to compete)). The Accountants shall provide detailed supporting calculations to the Company and the Executive as requested by the Company or the Executive. The Executive and the Company shall furnish to the Accountants such
information and documents as the Accountants may reasonably request in order to make a determination under this section. The Company shall bear all costs the Accountants may incur in connection with any calculations contemplated by this section as
well as any costs incurred by the Executive with the Accountants for tax planning under Sections 280G and 4999 of the Code. 
 [remainder
of page intentionally left blank] 

  
 18 

 IN WITNESS WHEREOF, the parties hereto have duly executed this Agreement as of the day and
year first above written. 
  

			
	MALLINCKRODT PLC
		
	By:	 	 /s/ Mark Casey

	Name:	 	Mark Casey
	Title:	 	 EVP & Chief Legal Officer

	
	EXECUTIVE
	
	 /s/ Sigurdur Olafsson

	Sigurdur Olafsson

 [Signature Page to Sigurdur Olafsson Employment Agreement] 

 Exhibit A 

 

 Exhibit A 

RELEASE OF CLAIMS (“Release”) 

In connection with the termination of employment of Sigurdur Olafsson (the “Executive”) by Mallinckrodt plc, a public company
with limited liability incorporated in Ireland (the “Company”) pursuant to the employment agreement between Executive and the Company, dated as of June 16, 2022 (the “Employment Agreement”), Executive agrees as
follows: 
  

	1.	 Release of Claims 

In consideration of the payments and benefits described in Section 7.03 or Section 7.04 (as applicable) of the Employment Agreement
(other than Accrued Benefits), to which Executive agrees that Executive is not entitled until and unless Executive executes this Release and it becomes effective in accordance with the terms hereof, Executive, for and on behalf of himself and his
heirs, successors, and assigns, subject to the last sentence of this Section 1, hereby waives and releases any employment, compensation, or benefit-related common law, statutory, or other complaints, claims, charges, or causes of action, both
known and unknown, in law or in equity (collectively, the “Claims”), which Executive ever had, now has, or may have against the Company and its affiliates, and their equity holders, parents, subsidiaries, successors, assigns,
directors, officers, partners, members, managers, employees, trustees (in their official and individual capacities), employee benefit plans and their administrators and fiduciaries (in their official and individual capacities), representatives, or
agents, and each of their affiliates, successors, and assigns, (collectively, the “Releasees”) by reason of facts or omissions which have occurred on or prior to the date that Executive signs this Release, including, without
limitation, any complaint, charge, or cause of action arising out of Executive’s employment or termination of employment (including failure to provide notice of termination), or any term or condition of that employment, or claim for severance,
equity, or equity-based compensation, except as set forth in Section 7.03 or Section 7.04 (as applicable) of the Employment Agreement, or arising under federal, state, or local laws pertaining to employment, including the Age
Discrimination in Employment Act of 1967 (“ADEA,” a law which prohibits discrimination on the basis of age), the Older Workers Benefit Protection Act, the National Labor Relations Act, the Civil Rights Act of 1991, the Americans
With Disabilities Act of 1990, Title VII of the Civil Rights Act of 1964, the Employee Retirement Income Security Act of 1974, the Family and Medical Leave Act, the Sarbanes-Oxley Act of 2002, all as amended, and any other federal, state, and local
laws relating to discrimination on the basis of age, sex, or other protected class, all Claims under federal, state, or local laws for express or implied breach of contract, wrongful discharge, defamation, intentional infliction of emotional
distress, and any Claims for attorneys’ fees and costs with respect to any of the foregoing. 
 Executive further agrees that this
Release may be pleaded as a full defense to any action, suit, arbitration, or other proceeding covered by the terms hereof which is or may be initiated, prosecuted, or maintained by Executive, Executive’s descendants, dependents, heirs,
executors, administrators, or permitted assigns. By signing this Release, Executive acknowledges that Executive intends to waive and release any Claims known or unknown that 

  
 A-1 

 Exhibit A 

 

 
Executive may have against the Releasees under these and any other laws; provided, that Executive does not waive or release Claims with respect to (i) any rights he may have to
enforce the Employment Agreement, (ii) accrued vested benefits or any other benefits remaining due under employee benefit plans of the Company and its subsidiaries and affiliates subject to the terms and conditions of such plans and applicable
law, (iii) any rights to continuation of medical and/or dental coverage in accordance with COBRA, (iv) any claims to coverage under any indemnification agreement or policy or liability insurance arrangement, (v) any rights in vested
equity awards and (vi) any other rights that may not be released in accordance with applicable law (collectively, the “Unreleased Claims”). 
  

	2.	 Proceedings 

Executive acknowledges that Executive has not filed any complaint, charge, claim, or proceeding with respect to a Claim, except with respect
to an Unreleased Claim, if any, against any of the Releasees before any local, state, or federal agency, court, or other body (each individually a “Proceeding”). Executive represents that Executive is not aware of any basis on which
such a Proceeding could reasonably be instituted. Executive (i) acknowledges that Executive will not initiate or cause to be initiated on his behalf any Proceeding and will not participate in any Proceeding, in each case, except as required by
law and (ii) waives any right Executive may have to benefit in any manner from any relief (whether monetary or otherwise) arising out of any Proceeding, including any Proceeding conducted by the Equal Employment Opportunity Commission
(“EEOC”). Further, Executive understands that, by executing this Release, Executive will be limiting the availability of certain remedies that Executive may have against the Company and limiting also the ability of Executive to
pursue certain claims against the Releasees. Notwithstanding the above, nothing in Section 1 of this Release shall prevent Executive from (i) initiating or causing to be initiated on his behalf any complaint, charge, claim, or proceeding
against the Company before any local, state, or federal agency, court, or other body challenging the validity of the waiver of his or her claims under the ADEA contained in Section 1 of this Release (but no other portion of such waiver); or
(ii) initiating or participating in an investigation or proceeding conducted by the EEOC. 
  

	3.	 Time to Consider 

Executive acknowledges that Executive has been advised that he has twenty-one (21) days from the
date of receipt of this Release to consider all the provisions of this Release and to the extent Executive signs this Release prior to the expiration of such period he does hereby knowingly and voluntarily waive the remaining portion of such twenty-one (21) day period. EXECUTIVE FURTHER ACKNOWLEDGES THAT EXECUTIVE HAS READ THIS RELEASE CAREFULLY, HAS BEEN ADVISED BY THE COMPANY TO, AND HAS IN FACT, CONSULTED AN ATTORNEY, AND FULLY UNDERSTANDS THAT
BY SIGNING BELOW EXECUTIVE IS GIVING UP CERTAIN RIGHTS WHICH HE MAY HAVE TO SUE OR ASSERT A CLAIM AGAINST ANY OF THE RELEASEES, AS DESCRIBED IN SECTION 1 OF THIS RELEASE AND THE OTHER PROVISIONS HEREOF. EXECUTIVE ACKNOWLEDGES THAT EXECUTIVE HAS NOT
BEEN FORCED OR PRESSURED IN ANY MANNER WHATSOEVER TO SIGN THIS RELEASE, AND EXECUTIVE AGREES TO ALL OF ITS TERMS VOLUNTARILY. 

  
 A-2 

 Exhibit A 

 

	4.	 Revocation 

Executive hereby acknowledges and understands that Executive shall have seven (7) days from the date of execution of this Release to
revoke this Release (including, without limitation, any and all Claims arising under the ADEA) and that neither the Company nor any other person is obligated to provide any benefits to Executive pursuant to the Employment Agreement until eight
(8) days have passed since Executive’s signing of this Release without Executive having revoked this Release, in which event the Company immediately shall arrange and/or pay for any such benefits otherwise attributable to said eight
(8) day period, consistent with the terms of the Employment Agreement. If Executive revokes this Release, Executive will be deemed not to have accepted the terms of this Release, and no action will be required of the Company under any section
of this Release. 
  

	5.	 No Admission 

This Release does not constitute an admission of liability or wrongdoing of any kind by Executive or the Company. 

 

	6.	 Indemnification 

The Executive shall be entitled to indemnification to the maximum extent permitted by law with regard to actions or inactions taken in good
faith performance of the Executive’s duties to the Company, and to the extent applicable, the Releasees, during the Executive’s employment and to directors and officers liability insurance coverage in accordance with the Company’s
policies that cover officers and directors generally. Such indemnification and coverage shall apply, while potential liability exists, to the same extent as provided to active directors and senior officers. 

 

	7.	 General Provisions 

A failure of any of the Releasees to insist on strict compliance with any provision of this Release shall not be deemed a waiver of such
provision or any other provision hereof. If any provision of this Release is determined to be so broad as to be unenforceable, such provision shall be interpreted to be only so broad as is enforceable, and in the event that any provision is
determined to be entirely unenforceable, such provision shall be deemed severable, such that all other provisions of this Release shall remain valid and binding upon Executive and the Releasees. 

 

	8.	 Governing Law; Dispute Resolution 

This Release shall be construed under and enforced in accordance with the laws of the State of New York without regard to conflicts of law
principles. Any controversy or claim between the Executive and the Company arising out of or relating to or concerning this Release or any aspect of the Executive’s employment with the Company or the termination of that employment will be
finally settled by binding arbitration in New York, New York administered by the American Arbitration Association under its Rules for the Resolution of Employment 

  
 A-3 

 Exhibit A 

 

 Disputes; provided, however, that with respect to any controversy or claim arising out of or
relating to or concerning injunctive relief for the Executive’s breach or purported breach of Section 8 or 9 of the Employment Agreement, the Company will have the right, in addition to any other remedies it may have, to seek specific
performance and injunctive relief with a court of competent jurisdiction, without the need to post a bond or other security. Each of the Executive and the Company will bear its own legal expenses and will share the arbitration costs equally. 

  
 A-4 

 Exhibit A 

 

 IN WITNESS WHEREOF, Executive has hereunto set his hand as of the day and year set forth
opposite his signature below. 
  

							
		  		  	EXECUTIVE	  	
				
	  
	  		  	  
	  	
	DATE	  		  	Sigurdur Olafsson	  	
	(Not to be signed prior to termination of services)	  		  		  	

 [Signature Page to Siggi Olafsson Release]

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