Document:

First Supplemental Indenture

 Exhibit 4.1 
 FIRST SUPPLEMENTAL INDENTURE 
 First Supplemental Indenture (this
“Supplemental Indenture”), dated as of June 14, 2011, among Merge Healthcare Incorporated, a Delaware corporation (the “Issuer”), the Guarantors (as defined in the Indenture referred to herein) and The Bank of
New York Mellon Trust Company, N.A., a national banking association, as Trustee and as Collateral Agent (the “Trustee”). 
 W I T N E S S E T H
 WHEREAS, the Issuer and each of the Guarantors have
heretofore executed and delivered to the Trustee an indenture (as supplemented and amended, the “Indenture”), dated as of April 28, 2010, providing for the issuance of $200,000,000 aggregate principal amount of 11.75% Senior
Secured Notes due 2015 (the “Notes”); 
 WHEREAS, Section 9.01 of the Indenture provides, among
other things, that the Issuer, the Guarantors and the Trustee may amend or supplement the Indenture or the Notes without the consent of the Holders as permitted pursuant to Section 9.01(14) of the Indenture; 

WHEREAS, Section 9.02 of the Indenture provides, among other things, that the Issuer, the Guarantors and the Trustee may
amend or supplement the Indenture or the Notes with the consent of the Holders (as defined in the Indenture) of at least a majority in aggregate principal amount of the outstanding Notes; 

WHEREAS, the Issuer has solicited the consents of Holders of the outstanding Notes to the proposed amendments to the Indenture set forth
herein (the “Proposed Amendments”), pursuant to the Consent Solicitation Statement dated June 7, 2011 (as the same may be amended or supplemented from time to time, the “Statement”); 

WHEREAS, the Holders of at least a majority in aggregate principal amount of the outstanding Notes have provided written consent to the
Proposed Amendments, and pursuant to Section 9.02 of the Indenture, the Issuer has filed with the Trustee evidence of such consents;
 WHEREAS, the execution and delivery of this Supplemental Indenture have been duly authorized and all conditions and requirements necessary to make this Supplemental Indenture a valid and binding agreement
of the Issuer and the Guarantors have been duly performed and complied with; 
 WHEREAS, the Issuer and the Guarantors, pursuant
to the foregoing authority, propose in and by this Supplemental Indenture to amend the Indenture and have requested that the Trustee join in the execution of this Supplemental Indenture and pursuant to Section 9.02 of the Indenture, the
Issuer has delivered a resolution of its Board of Directors stating that the execution and delivery of this Supplemental Indenture has been authorized by the Board of Directors of the Issuer, and in accordance with Section 9.06 and
Section 14.04 of the Indenture have delivered an Officer’s Certificate and an Opinion of Counsel to the Trustee stating that this Supplemental Indenture is authorized or permitted by the Indenture, that all conditions precedent to
its execution have been complied with, that this Supplemental Indenture is the legal, valid and 

 
binding obligation of the Issuer and the Guarantors subject to customary exceptions, and that this Supplemental Indenture complies with the provisions of the Indenture; and 

WHEREAS, pursuant to Section 9.01 and Section 9.02 of the Indenture, the Trustee is authorized to execute and
deliver this Supplemental Indenture. 
 NOW THEREFORE, in consideration of the foregoing and for other good and valuable
consideration, the receipt of which is hereby acknowledged, the Issuer, the Guarantors and the Trustee mutually covenant and agree for the benefit of each other and the equal and ratable benefit of the Holders of the Notes as follows: 

1. Capitalized Terms. Capitalized terms used herein without definition shall have the meanings assigned to them in the Indenture.

 2. Amendments. 
 (a) Subject to Section 2(b) below, the Indenture is hereby amended as follows (such amendments, the “Amendments”): 

(i) Clauses (4) and (14) of the definition of “Permitted Liens” in Section 1.01 of the Indenture are
hereby amended to read as follows: 
 (4) Liens securing Indebtedness (including Hedging Obligations with respect thereto) in an
aggregate amount not to exceed $5.0 million; provided that such Liens are pari passu with or junior to the Notes; 
 (14) Liens
created for the benefit of (or to secure) the Initial Notes (or the related Note Guarantees) and any other Indebtedness incurred under clause (7) of the definition of Permitted Indebtedness; 

(ii) Section 1.01 of the Indenture is hereby amended by adding the following defined term in appropriate alphabetical order
to read as follows: 
 “Note Documents” means Indenture Documents. 

(iii) Section 4.07(b) of the Indenture is hereby amended to add a new clause (10) and to amend new clause (11) to
read as follows: 
 (10) the redemption, repurchase, defeasance or other acquisition or retirement of the Series A Non-Voting
Preferred Stock which is redeemed, repurchased, defeased, acquired or retired with proceeds from any Additional Notes issued under and pursuant to the terms of this Indenture; and 

(11) so long as no Default or Event of Default shall have occurred and be continuing (or would result therefrom), any Restricted Payment
which, together with all other Restricted Payments made pursuant to this clause (11) on or after the Closing Date, does not exceed $5.0 million. 

 (iv) Clauses (1) and (7) of Section 4.09(b) of the Indenture are
hereby amended to read as follows: 
 (1) Indebtedness under Credit Facilities outstanding at any time in an aggregate principal
amount not to exceed $5.0 million; 
 (7) Indebtedness under (a) the Notes and the Note Guarantees issued on the Closing
Date, (b) the Exchange Notes and the Note Guarantees in respect thereof to be issued pursuant to the Registration Rights Agreement and (c) Indebtedness under (i) the Notes and the Note Guarantees issued after the Closing Date and
(ii) the Exchange Notes and Note Guarantees in respect thereof to be issued pursuant to a Registration Rights Agreement, in the aggregate principal amount not to exceed $52.0 million; 

(v) Section 4.11(b) of the Indenture is hereby amended to add a new clause (11) to read as follows: 

(11) issuances of Additional Notes to any Affiliate on terms which are as favorable to the Issuer and the Restricted Subsidiaries, taken
as a whole, as is available in a simultaneous or comparable issuance of Additional Notes with an unrelated third party. 
 (vi)
Pursuant to Section 9.01(14) of the Indenture, the Indenture is hereby amended to add a new Section 12.13 to read as follows: 
 Section 12.13 Real Property Mortgages and Filings. 
 Each Grantor
agrees that upon the acquisition of any fee interest in real property in excess of $1.0 million in value it will promptly notify the Collateral Agent of such acquisition and will grant to the Collateral Agent, for the benefit of the Trustee and the
Holders of the Notes, a first priority mortgage (subject to Permitted Liens) on each fee interest in real property owned by such Grantor and will deliver such other documentation and opinions, in form and substance satisfactory to Collateral Agent,
in connection with the grant of such mortgage as the Collateral Agent reasonably requests, including title insurance policies, financing statements, fixture filings and environmental audits and such Grantor will pay all recording costs, intangible
taxes and other fees and costs (including reasonable attorneys’ fees and expenses) incurred in connection therewith. 
 (b)
The Amendments shall become operative immediately upon the provision by the Issuer to the Trustee of a request to execute this Indenture accompanied by (i) a resolution of the Issuer’s Board of Directors authorizing its execution of this
Supplemental Indenture, and (ii) an Officer’s Certificate certifying that the conditions set forth in the Statement have either been satisfied or, where permitted, waived by the Issuer. 

3. Ratification of Indenture; Supplemental Indenture Part of Indenture. Except as expressly amended hereby, the Indenture is in
all respects ratified and confirmed and all the 

 
terms, conditions and provisions thereof shall remain in full force and effect. This Supplemental Indenture shall form a part of the Indenture for all purposes, and every Holder of Notes
heretofore or hereafter authenticated and delivered shall be bound hereby. 
 4. Severability. In case any provision in
this Supplemental Indenture, the Indenture or in the Notes shall be invalid, illegal or unenforceable, the validity, legality and enforceability of the remaining provisions shall not in any way be affected or impaired thereby. 

5. Governing Law. THIS SUPPLEMENTAL INDENTURE WILL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW
YORK. 
 6. Counterparts. The parties hereto may sign any number of copies of this Supplemental Indenture. Each signed
copy shall be an original, but all of them together represent the same agreement. 
 7. Effect of Headings. The Section
headings herein are for convenience only and shall not affect the construction hereof. 
 8. The Trustee. The Trustee
shall not be responsible in any manner whatsoever for or in respect of the validity or sufficiency of this Supplemental Indenture, the Proposed Amendments, the Consent Solicitation Statement or any other document used in connection with the
solicitation of consents, the consents or for or in respect of the recitals contained herein, all of which recitals are made solely by the Issuer and the Guarantors. This Supplemental Indenture is executed and accepted by the Trustee subject to all
the terms and conditions set forth in the Indenture with the same force and effect as if those terms and conditions were repeated at length herein and made applicable to the Trustee with respect hereto. In entering into this Supplemental Indenture,
the Trustee shall be entitled to the benefit of every provision of the Indenture relating to the conduct or affecting the liability or affording protection to the Trustee, whether or not elsewhere herein so provided. 

9. Successors. This Supplemental Indenture shall be binding on the Issuer, the Guarantors, the Trustee and the Holders and their
respective successors and assigns, and shall inure to the benefit of the such parties and their respective successors and assigns. 
 [Signature Page to Follow] 

 IN WITNESS WHEREOF, the parties hereto have caused this Supplemental Indenture to be duly
executed, all as of the date first above written. 
  

					
	 ISSUER:

	
	MERGE HEALTHCARE INCORPORATED
			
	By:	 	 	 	/s/ Ann Mayberry-French

					
		 	 Name:
	 	Ann Mayberry-French
		 	 Title:
	 	General Counsel and Secretary

  

					
	GUARANTORS:
	
	MERGE ASSET MANAGEMENT CORP.
	MERGE ECLINICAL INC.
	MERGE HEALTHCARE SOLUTIONS INC.
	REQUISITE SOFTWARE INC.
	STRYKER IMAGING CORPORATION
			
	By:	 	 	 	/s/ Ann Mayberry-French

					
		 	 Name:
	 	
		 	 Title:
	 	General Counsel and Secretary

  

					
	CONFIRMA EUROPE LLC
	
	By: Merge Healthcare Solutions Inc., its sole Manager
			
	By:	 	 	 	/s/ Ann Mayberry-French

					
		 	 Name:
	 	Ann Mayberry-French
		 	 Title:
	 	General Counsel and Secretary

 
					
	 TRUSTEE:

	
	THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., as Trustee and as Collateral Agent
			
	By:	 	 	 	/s/ Yolanda Ash

					
		 	 Name:
	 	Yolanda Ash
		 	 Title:
	 	AssociateHTI Severance Pay Plan as amended and restated effective March 8, 2011

 Exhibit 10.1 
 HUTCHINSON TECHNOLOGY INCORPORATED 
 SEVERANCE PAY PLAN 

(As Amended and Restated Effective March 8, 2011) 
 I. INTRODUCTION  
 Hutchinson Technology Incorporated
(“HTI”) has established this Plan to provide severance pay to eligible employees of HTI whose employment is terminated in connection with certain events involving a reduction in our workforce. HTI in its complete and sole discretion will
determine what a severance-eligible event is, who is an eligible employee, the amount of severance an employee is entitled to, the method of payment of severance benefits and all other factual or interpretive issues arising under the Plan.

 This Plan was originally effective April 17, 2000. This document amends and restates the Plan effective
as of March 8, 2011. This document supersedes and replaces any policy, plan or practice that may have existed in the past regarding the payment of severance pay, and describes severance pay available to eligible employees who receive notice on
or after March 8, 2011 of a “severance event” that will result in their termination of employment. This document is both the “Plan document” and the “summary plan description” for the Plan. 

II. ELIGIBILITY  
 You are considered a participant in this Plan if you meet all of the following requirements on the day immediately preceding your termination of employment: 

 

	 	•	 	 You are classified by HTI as a regular U.S.-based, full-time employee of HTI. 

 

	 	•	 	 If you are an hourly employee, more than 56 days have passed since your HTI employment began. 

 

	 	•	 	 Your employment with HTI is not subject to a written employment agreement (unless that written employment agreement specifically provides that you are
eligible for this Plan and mentions this Plan by name). 

  

	 	•	 	 You have not received any special severance arrangement from HTI pursuant to which you have become entitled to a payment or payments (unless that
special severance arrangement specifically provides that you are eligible for this Plan and mentions this Plan by name, or your 

  
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termination of employment under the special severance arrangement would not result in a payment under that arrangement). 

 

	 	•	 	 You are not a participant in any other HTI severance plan. 

 All employees HTI classifies as Part-Time, Temporary, Supplemental, Intern/Co-op or Apprentice Program employees are excluded. 
 You will be considered to be a “full-time” employee of HTI if you are regularly scheduled to work at least an average of 40 hours/week. 

Persons who are classified by HTI as part-time, whose principal place of employment is outside the U.S., or who do not meet the
requirements of HTI’s policies for being benefits eligible, are not participants in this Plan. Persons who are classified by HTI as “independent contractors,” as employees of some other entity whose services are leased to HTI, or as
any other status in which HTI is not currently withholding income taxes from their wages, are not eligible to participate in this Plan while so classified, regardless of their correct legal status. If any employees ever become covered by a
collective bargaining agreement, their continued participation in this Plan would be subject to negotiations with the collective bargaining representative. 
 III. SEVERANCE EVENTS  
 If you are an eligible
participant in this Plan, you will receive severance benefits if your employment with HTI is involuntarily terminated as a result of an event that management designates to be a “severance event.” Some examples of what HTI’s management
could in its sole discretion determine to be a severance event are: 
  

	 	•	 	 Closure of the HTI facility at which you work. 

  

	 	•	 	 A permanent reduction in HTI’s workforce that results in the elimination of your position. 

 

	 	•	 	 An organizational change that results in the elimination of your position. 

Release Required. Regardless of the reason for your termination, you will not be eligible for severance benefits unless you sign a
release of all claims against HTI (and its officers, employees and related entities, etc.) on a form provided by HTI for this purpose. HTI will determine the contents of the release form, and may revise it from time to time as appropriate to deal
with particular severance situations. Severance benefits will be paid only after any period for rescinding the release has expired. 
 Ineligibility for Benefits. Severance benefits will not be paid under this Plan in any of the following circumstances: 

  
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	 	•	 	 You are offered another position with HTI and refuse to accept that position. 

 

	 	•	 	 You voluntarily terminate your employment with HTI. 

  

	 	•	 	 You terminate your employment with HTI after you receive notice of a severance event that will occur in the future, but prior to the date on which the
severance event occurs. The date of the severance event (for example, the date on which your position will be eliminated or the facility in which you work will be closed) is determined by HTI in its sole discretion. 

 

	 	•	 	 Your employment is terminated by HTI for a reason that is not declared by management to be a severance event (including, but not limited to, a
termination based on job performance or misconduct). 

  

	 	•	 	 You are placed on a temporary layoff. 

  

	 	•	 	 Your employment terminates due to death, disability, or failure to return to work for HTI following a leave of absence, layoff or any other period of
authorized absence from HTI. 

  

	 	•	 	 Your employment with HTI is terminated in connection with a corporate event, such as a merger, acquisition or spin-off, or in connection with an
outsourcing or similar transaction, and you are offered employment with a successor to part or all of HTI’s business or operations or with the outsourcing provider (whether or not you accept that offer). 

 

	 	•	 	 You refuse to sign the release form prepared by HTI, or you rescind the release before it becomes final. 

 

	 	•	 	 You leave HTI under any other program in which management solicits and accepts voluntary terminations (in which case, severance pay will be determined
and paid only under the other program, unless that program specifically provides that you are eligible for this Plan and that benefits are cumulative). 

 

	 	•	 	 You are covered by a written employment agreement with HTI at the time your employment terminates (unless that written employment agreement
specifically provides that you are eligible for this Plan and mentions this Plan by name). 

  

	 	•	 	 You have received a special severance arrangement from HTI pursuant to which you have become entitled to a payment or payments (unless that special
severance arrangement specifically provides that you are eligible for this Plan and mentions this Plan by name, or your termination of employment under the special severance arrangement would not result in a payment under that arrangement).

  
 3 

 IV. SEVERANCE BENEFITS  

If you meet the eligibility requirements in Section II, have a severance event that qualifies under Section III, you will receive
severance benefits as calculated in the Appendix that is applicable to you. 
 Your severance benefits calculated under the
applicable Appendix will be paid, at the discretion of HTI and as indicated in a written notice from HTI, either (i) in a lump sum payment or (ii) pro rata in accordance with HTI’s normal wage payment schedule over the number of weeks
of base pay included in your severance benefits. (For this purpose, the number of weeks will be calculated by dividing the total number of hours of base pay included in your severance benefits by 40.) Should you die prior to the payment of full
benefits, any unpaid benefits will be paid to your estate in a single lump sum payment. 
 If your severance benefits are paid in
a lump sum, such lump sum will be paid to you as soon as administratively feasible after the release has become irrevocable (or after the date your employment terminates, if later), but in no case later than March 15 of the calendar year
following the calendar year in which your termination of employment occurs. 
 If your severance benefits are paid pro rata over
HTI’s normal wage payment schedule, the following additional rules apply. Severance benefits will be payable only if your termination of employment with HTI is a “separation from service” under Section 409A of the Internal
Revenue Code (“Code”). Payments will begin as soon as administratively feasible after the release has become irrevocable (or after the date your employment terminates, if later). Your severance benefits will never exceed two times the
lesser of (i) your annualized compensation for the calendar year immediately preceding the calendar year in which your employment with HTI involuntarily terminates; or (ii) the maximum amount that may be taken into account under a
qualified plan pursuant to Section 401(a)(17) of the Code for the year that includes the date your employment with HTI involuntarily terminates. Solely for purposes of determining the limitation in the preceding sentence, “annualized
compensation” means the annual rate of pay for services provided to HTI (adjusted for any increase during the year that was expected to continue indefinitely if you had not had a termination of employment). To the extent that your severance
benefits would otherwise exceed the foregoing limitation, the amount of your severance benefits will be reduced to comply with such limitation. 
 Years of Service. You will be credited with one year of service for each completed year of employment with HTI from your date of hire or adjusted date of hire, whichever is most recent. Your
“date of hire” or “adjusted date of hire” will be determined according to HTI’s personnel policies as in effect on the date you terminate employment. 

  
 4 

 If less than three years of service would be used to calculate your benefit, you will
nevertheless be credited with three years of service for purposes of this Plan. 
 If you have received severance benefits from
HTI, are later rehired by HTI, and then have another severance event, the years of service before the previous severance payment will be disregarded in calculating your severance benefits due to the new severance event. For example, if you worked 5
years, had a severance event and received severance benefits, are rehired by HTI, work 4 more years, and then have another severance event, the severance benefit for your second period of employment would be based on your service after the first
severance event. If your Appendix limits your total years of service for purposes of calculating your benefit, see your Appendix for special rules that apply. 
 Your “base pay.” Severance benefits under this Plan are calculated using your hourly rate of base pay at the time your employment terminates. (For salaried employees, the hourly rate is
determined by dividing the annual base salary by 2080 hours.) Base pay excludes overtime, bonuses, profit sharing, shift premiums, or any other special compensation. 
 Reductions of Severance Benefits. The gross amount of your severance benefits under this Plan will be reduced by income tax and other applicable withholding. The gross amount of your severance
benefits will also be reduced by (1) the gross amount of any payments that HTI makes to you to satisfy its obligations under the Worker Adjustment and Retraining Notification (“WARN”) Act or similar federal, state, and local laws,
(2) the gross amount of any salary or wages you are paid for a period you are not working at HTI’s request after HTI has given you notice under the WARN Act (or similar federal, state, or local law) and prior to your termination of
employment, and (3) consistent with applicable laws, any amount you owe HTI as determined by HTI’s Human Resources Department. However, if the reductions described in (1) — (3) in the previous sentence cause your benefit to
fall below the Plan minimum, the Plan minimum (reduced for income tax and other applicable withholding) will be paid to you. (The Plan minimum equals the number of hours of base pay per year of service used to calculate your benefits, as set out in
the Appendix that applies to you, multiplied by three (3) years of service.) 
 Reemployment by HTI. All severance
benefit payments will stop if you become re-employed by HTI. If severance benefits were paid to you in a lump sum prior to your re-employment, you must repay to HTI the portion of the severance benefits that would have been paid after your date of
re-employment if HTI had elected to pay such severance benefits in accordance with its regular wage payment schedule. 
 V. AMENDMENT AND
TERMINATION OF THE PLAN  
 HTI reserves the right to amend or terminate this Plan at any time and for any reason,
without the consent of or notice to any employee or any other person having 

  
 5 

 
any beneficial interest in this Plan. Notwithstanding the foregoing, however, those employees who terminate employment prior to an amendment or termination of the Plan shall have their rights to
severance benefits, if any, determined under the Plan as in effect on their last day of employment. Action to amend or terminate the Plan may be taken by the board of directors of HTI, by the Chief Executive Officer of HTI, or by any other
individual or committee to whom such authority has been delegated by the board of directors. 
 VI. SUBMITTING CLAIMS FOR BENEFITS 

 Normally, HTI will determine your eligibility and benefit amount on its own and without any action on your part, other
than returning the release form. The severance payments will be made as soon as administratively feasible after the date the release becomes irrevocable. 
 Formal Claims for Benefits. If HTI has not acted on your termination, if you disagree with a decision made by HTI about whether your termination of employment is a “severance event,” or
if you believe that the Plan’s terms or procedures have been violated in any way, and you want to pursue the matter further, you must submit a written claim for benefits. The claim must be signed by you and submitted to HTI’s Human
Resources Department in Hutchinson, Minnesota within 6 months after your date of termination of employment. Claims received after that time will not be considered. Your written claim should explain, as best you can, what you want and why you believe
you are entitled to it, and should include copies of any documents you believe are relevant or support your position. 
 HTI will
ordinarily respond to your claim within 90 days of the date on which it is received. However, if special circumstances require an extension of the period of time for processing a claim, the 90-day period can be extended for an additional 90 days by
giving you written notice of the extension and the reason why the extension is necessary. 
 HTI will give you a written notice
of its decision if it denies your claim for benefits in whole or in part. The notice will explain the specific reasons for the decision and the procedures for appealing the decision. 

Appeals. If you do not agree with the decision of HTI and want to pursue the matter further, you must, within 60 days after
receiving the notice that your claim has been denied, file a written appeal with HTI’s Human Resources Department in Hutchinson, Minnesota. Your written appeal should describe all reasons why you believe the claim denial was in error, and
should include copies of all documents that you want considered in support of your appeal. Your appeal will be decided based on the information you submit and we assemble, so you should make sure your submission is complete. 

  
 6 

 If you wish, you may review and/or make copies of all documents that we considered or relied
on in deciding your claim. These copies will be provided to you free of charge. 
 Generally, your appeal will be decided within
60 days after HTI receives it. However, if special circumstances require a delay, the appeal may take up to 120 days. (If a decision cannot be made within the 60-day period, you will be notified of this fact in writing.) You will receive a written
notice of the decision on the appeal, which will explain the reasons for the decision by making specific reference to the Plan provisions on which the decision is based. If you wish, you may review and/or make copies of all documents that we
considered or relied on in deciding your appeal. These copies will be provided to you free of charge 
 If your appeal is denied
in whole or in part, at that point you have the right to file a lawsuit in federal court challenging the denial. A court generally will review our decision based on the evidence and arguments that you presented during the claim and appeal process,
so you should make sure that everything that you believe supports your position is submitted to us during that process. You may pursue legal action only after you have completed the claims process above (both filing an initial claim and appealing a
denied claim). In addition, if you have completed the claims process and want to bring a lawsuit, you must do so within one year of the final denial of your claim. Failure to file a lawsuit within one year will cause your rights to expire.

 VII. PLAN ADMINISTRATION  
 The following information relates to the administration of the Plan and the determination of Plan benefits. 
 Name of Plan: 
 Hutchinson Technology Incorporated Severance Pay Plan

 Type of Plan: 
 The Plan is a “welfare benefits plan” that provides severance benefits in the event a participant’s employment with HTI is terminated under certain circumstances. All benefits are paid from
the general assets of HTI. No trust fund, insurance contract or other pool of assets is maintained to provide Plan benefits. 

Plan Administrator/Plan Sponsor: 
 HTI is the “Plan Sponsor” and “Plan Administrator” of this Plan. Communications to HTI regarding the Plan should be addressed to: 

  
 7 

 Hutchinson Technology Incorporated 

ATTN: Human Resources Department 
 40 West Highland Park Drive NE 
 Hutchinson, MN 55350 

Telephone: (320) 587-3797 
 As Plan Administrator, HTI has full discretionary authority to interpret the provisions of the Plan and to determine which participants are eligible for Plan benefits and the amount of those benefits. HTI
also has full discretionary authority to correct any errors that may occur in the administration of the Plan, including recovering any overpayment of benefits from the person who received it. 

Employer Identification Number: 
 HTI’s Federal Employer Identification Number is 41-0901840. 
 Plan Number:

 For Federal reporting purposes, the Plan has been assigned an identification number of 506. 

Plan Year: 
 The Plan Year of this Plan is the calendar year. 
 Agent for Service of Legal
Process: 
 Legal process regarding the Plan may be served on HTI at the address listed above. 

Assignment of Benefits: 
 You cannot assign your benefits under this Plan to anyone else, and your benefits are not subject to attachment by your creditors. HTI will not pay Plan benefits to anyone other than you (or your estate
if you die after having a qualifying severance event but before the severance payment can be made to you). 
 Statement of
Rights of Participants: 
 As a participant in this Severance Pay Plan, you are entitled to certain rights and protections
under the Employee Retirement Income Security Act of 1974 (“ERISA”). ERISA provides that all Plan participants are entitled to: 
  

	 	1.	 Examine, without charge, at HTI’s Human Resources Department and at other specified locations, such as worksites, all documents governing the Plan
and a copy of the latest annual report (Form 5500 Series) filed by the Plan with the 

  
 8 

	 	 
U.S. Department of Labor and at the Public Disclosure Room of the Employee Benefits Security Administration. 

 

	 	2.	Obtain, upon written request to HTI’s Human Resources Department, copies of all documents governing the operation of the Plan and copies of the latest annual
report (Form 5500 Series) and updated summary plan description. A reasonable charge may be made for the copies. 

  

	 	3.	Receive a summary of any annual financial report filed by the Plan (if the Plan is required to file such a report). HTI is required by law to furnish each participant
with a copy of this summary financial report. 

 In addition to creating rights for Plan participants, ERISA
imposes duties upon the people who are responsible for the operation of the Plan. The people who operate your Plan, called “fiduciaries” of the Plan, have a duty to do so prudently and in the interest of you and other Plan participants and
beneficiaries. No one may fire you or otherwise discriminate against you in any way to prevent you from obtaining a benefit or exercising your rights under ERISA. 
 If your claim for a benefit under the Plan is denied or ignored in whole or in part, you have a right to know why this was done, to obtain copies of documents relating to the decision without charge, and
to appeal any denial, all within certain time schedules. 
 Under ERISA there are steps you can take to enforce the above rights.
For instance, if you request a copy of Plan documents or the latest annual report from the Plan and do not receive them within 30 days, you may file suit in a federal court. In such a case, the court may require HTI to provide the materials and pay
you up to $110 a day until you receive the materials, unless the materials were not sent because of reasons beyond its control. If you have a claim for benefits which is denied or ignored, in whole or in part, you may file suit in a state or federal
court. If you are discriminated against for asserting your rights, you may seek assistance from the U.S. Department of Labor, or you may file suit in a federal court. The court will decide who should pay court costs and legal fees. If you are
successful, the court may order the person you have sued to pay these costs and fees. If you lose, the court may order you to pay these costs and fees, for example, if it finds your claim is frivolous. 

If you have any questions about the Plan, you should contact HTI’s Human Resources Department. If you have any questions about this
statement or about your rights under ERISA, or if you need assistance getting documents from HTI, you should contact the nearest office of the Employee Benefits Security Administration, U.S. Department of Labor, listed in your telephone directory or
the Division of Technical Assistance and Inquiries, Employee Benefits Security Administration, U.S. Department of Labor, 200 Constitution Avenue N.W., Washington, D.C., 20210. You may also obtain certain publications about your rights and
responsibilities under ERISA by calling the publications hotline of the Employee Benefits Security Administration. 

  
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 HUTCHINSON TECHNOLOGY INCORPORATED 

SEVERANCE PAY PLAN 
 (As Amended and Restated Effective March 8, 2011) 
 Appendix I — Applicable to
Employees In the Following HTI Pay Families: 
 Diesetter (DS) 
 Facility Support (F1-F5) 
 Nonexempt Support (NES1-NES5) 

Office Services (OS1-OS4) 
 Plymouth
Stamping Specialist (PSS) 
 Production (A&B) 
 Any Other Pay Family Specified by HTI as Under Appendix I 
 If you meet the eligibility
requirements in Section II of the Severance Pay Plan (“Plan”), have a severance event that qualifies you under Section III, and you are in one of the pay families listed above on the date you receive notice of a severance event that will
result in your termination of employment, your benefit under Section IV of the Plan is determined under the following formula: 

40 hours of base pay for each year of service 
 Your years of service are limited to five (5), so the maximum benefit you could receive is 40 hours of base pay x 5 years of service = 200 hours of base pay. 

If you have received severance benefits from HTI, are later rehired by HTI, and then have another severance event, the years of service before the
previous severance payment will be disregarded in calculating your severance benefits due to the new severance event. For example, if you worked 4 years, had a severance event and received severance benefits, are rehired by HTI, work 3 more years,
and then have another severance event, the severance benefit for your second period of employment would be based on your service after the first severance event. In addition, the total number of years of service that will be counted for purposes of
calculating your benefit for both periods (before application of any offsets or minimum) will be capped at five (5). However, if the years of service used to calculate your benefit for your second period of employment is below the Plan minimum, the
Plan minimum of three (3) years of service will apply. 
 In the example above, your years of service for purposes of calculating your
severance benefit for the second period would be limited to one (1) year of service, because you had previously received a benefit calculated based on four (4) years of service. However, your years of service for calculating your severance
benefit for the second period would be increased to three (3), because that is the Plan minimum. Your severance benefit for your second period of employment would therefore be calculated as 40 hours of base pay x 3 years of service = 120 hours of
base pay. 

  

 HUTCHINSON TECHNOLOGY INCORPORATED 

SEVERANCE PAY PLAN 
 (As Amended and Restated Effective March 8, 2011) 
 Appendix II — Applicable
to Employees In the Following HTI Pay Families: 
 AP20-AP26 
 Machinist/Specialty Machinist 
 Engineers (E1-E2) 

MC30-MC33 
 Toolmaker 

Technicians (T1-T4) 
 Any Other Pay
Family Specified by HTI as Under Appendix II 
 If you meet the eligibility requirements in Section II of the Severance Pay Plan
(“Plan”), have a severance event that qualifies you under Section III, and you are in one of the pay families listed above on the date you receive notice of a severance event that will result in your termination of employment, your benefit
under Section IV of the Plan is determined under the following formula: 
 40 hours of base pay for each year of service

 Your years of service are limited to twelve (12), so the maximum benefit you could receive is 40 hours of base pay x 12 years of service =
480 hours of base pay. 
 If you have received severance benefits from HTI, are later rehired by HTI, and then have another severance event, the
years of service before the previous severance payment will be disregarded in calculating your severance benefits due to the new severance event. For example, if you worked 10 years, had a severance event and received severance benefits, are rehired
by HTI, work 4 more years, and then have another severance event, the severance benefit for your second period of employment would be based on your service after the first severance event. In addition, the total number of years of service that will
be counted for purposes of calculating your benefit for both periods (before application of any offsets or minimum) will be capped at twelve (12). However, if the years of service used to calculate your benefit for your second period of employment
is below the Plan minimum, the Plan minimum of three (3) years of service will apply. 
 In the example above, your years of service for
purposes of calculating your severance benefit for the second period would be limited to two (2) years of service, because you had previously received a benefit calculated based on ten (10) years of service. However, your years of service for
calculating your severance benefit for the second period would be increased to three (3), because that is the Plan minimum. Your severance benefit for your second period of employment would therefore be calculated as 40 hours of base pay x 3 years
of service = 120 hours of base pay. 

  

 HUTCHINSON TECHNOLOGY INCORPORATED 

SEVERANCE PAY PLAN 
 (As Amended and Restated Effective March 8, 2011) 
 Appendix III — Applicable
to Employees In the Following HTI Pay Families: 
 AP27-AP29 
 MC34-MC38 
 Engineers (E3-E5) 

Any Other Pay Family Specified by HTI as Under Appendix III 
 If you meet the eligibility requirements in Section II of the Severance Pay Plan (“Plan”), have a severance event that qualifies you under Section III, and you are in one of the pay families
listed above on the date you receive notice of a severance event that will result in your termination of employment, your benefit under Section IV of the Plan is determined under the following formula: 

60 hours of base pay for each year of service 
 Your years of service are limited to seventeen and one-third (17-1/3) so the maximum benefit you could receive is 60 hours of base pay x 17-1/3 years of service = 1,040 hours of base pay. 

If you have received severance benefits from HTI, are later rehired by HTI, and then have another severance event, the years of service before the
previous severance payment will be disregarded in calculating your severance benefits due to the new severance event. For example, if you worked 15 years, had a severance event and received severance benefits, are rehired by HTI, work 4 more years,
and then have another severance event, the severance benefit for your second period of employment would be based on your service after the first severance event. In addition, the total number of years of service that will be counted for purposes of
calculating your benefit for both periods (before application of any offsets or minimum) will be capped at seventeen and one-third (17-1/3). However, if the years of service used to calculate your benefit for your second period of employment is
below the Plan minimum, the Plan minimum of three (3) years of service will apply. 
 In the example above, your years of service for
purposes of calculating your severance benefit for the second period would be limited to two and one-third (2-1/3) years of service, because you had previously received a benefit calculated based on fifteen (15) years of service. However, your
years of service for calculating your severance benefit for the second period would be increased to three (3), because that is the Plan minimum. Your severance benefit for your second period of employment would therefore be calculated as 60 hours of
base pay x 3 years of service = 180 hours of base pay. 

  

 HUTCHINSON TECHNOLOGY INCORPORATED 

SEVERANCE PAY PLAN 
 (As Amended and Restated Effective March 8, 2011) 
 Appendix IV — Applicable
to Employees of HTI Classified As Directors or Plant Managers 
 If you meet the eligibility requirements in Section II of the Severance Pay
Plan (“Plan”), have a severance event that qualifies you under Section III, and you are serving HTI in a position of Director or Plant Manager, your benefits will be determined under this Appendix rather than under Section IV of the Plan.
All other terms of the Plan apply to you. 
 Your severance benefit will be a lump sum payment. Your lump sum payment will be a minimum of 26
weeks of base pay. If you have 10 or more years of service, you will receive an additional week of pay for each completed year of service in excess of nine, subject to a maximum of 40 weeks. 
 The lump sum payment will be subject to all applicable withholding taxes and the net amount will be paid to you as soon as administratively feasible after your release has become irrevocable. For sake of
clarity under Internal Revenue Code section 409A, the net amount will in no case be paid later than March 15 of the year following the year in which your termination of employment occurs. 

Years of Service. You will be credited with one year of service for each completed year of employment with HTI from your date of hire or adjusted
date of hire, whichever is most recent. Your “date of hire” or “adjusted date of hire” will be determined according to HTI’s personnel policies as in effect on the date you terminate employment. 

If you have received a severance payment from HTI, are later rehired by HTI, and then have another severance event, the years of service before the
previous severance payment will be disregarded in calculating your severance pay due to the new severance event. 
 Week of Base Pay.
Severance benefits under this Appendix are calculated based on your annual base pay in effect at the time your employment terminates. Your “base pay” excludes overtime, bonuses, profit sharing, shift premiums, or any other special
compensation. A “week of base pay” is calculated by dividing your annual base pay by 52. 
 Additional Benefits. Your lump sum
amount as determined above will be increased by an additional amount equal to the premium for two months of group medical and/or dental coverage under HTI’s group benefit plan(s). This additional benefit is only available if you are enrolled in
HTI’s group medical and/or group dental coverage on the date of your termination of employment, and will be calculated by reference to your coverage and enrollment level in effect as of your termination of employment (i.e., medical employee
only, medical and dental employee plus one, etc.). 

  

 Your coverage under HTI’s group benefit plan ceases as of the day of your termination of employment.
The payment of the additional benefit described above does not impact your right and your family members’ right to continuation of medical and dental coverage under Internal Revenue Code Section 4980B(f) or Section 602 of the Employee
Retirement Income Security Act of 1974, as amended (“COBRA”) or state law, nor does it provide for any payments or coverage under COBRA or state law or HTI’s group benefit plan. You are solely responsible for timely electing and
paying all costs for continuation coverage under COBRA in accordance with the applicable group medical or dental plan. 
 Reductions of
Severance Benefits. The gross amount of your severance benefits under this Appendix will be reduced by (1) the gross amount of any payments that HTI makes to you to satisfy its obligations under the Worker Adjustment and Retraining
Notification (“WARN”) Act or similar federal, state, and local laws, (2) the gross amount of any salary or wages you are paid for a period you are not working at HTI’s request after HTI has given you notice under the WARN Act (or
similar federal, state or local law) and prior to your termination of employment, and (3) consistent with applicable laws, any amount you owe HTI as determined by HTI’s Human Resources Department. 

Outplacement Services. You will receive professional outplacement services at HTI’s expense. The provider of outplacement services will be
selected by HTI. The duration of these services will not exceed three months, with such three-month period beginning immediately following your termination of employment (and in no event will reimbursement occur later than the end of the calendar
year following your termination of employment). 

  

 HUTCHINSON TECHNOLOGY INCORPORATED 

SEVERANCE PAY PLAN 
 (As Amended and Restated Effective March 8, 2011) 
 Appendix V — Applicable to
Employees of HTI Classified As Vice Presidents 
 If you meet the eligibility requirements in Section II of the Severance Pay Plan
(“Plan”), have a severance event that qualifies you under Section III and you are serving HTI in a position of Vice President, your benefits will be determined under this Appendix rather than under Section IV of the Plan. All other terms
of the Plan apply to you. 
 Your severance benefit will be a lump sum payment. Your lump sum payment will equal one times your annual
“base pay” in effect immediately prior to your termination of employment, plus an additional amount equal to your “average bonus.” Your “base pay” excludes overtime, bonuses, profit sharing, shift premiums, or any other
special compensation. Your “average bonus” is calculated by reference to the bonus, if any, you received for the three annual bonus periods that ended with or immediately prior to your termination of employment. If you were eligible to
receive a bonus for all three of such bonus periods, your “average” bonus is the sum of the bonuses received for such periods (which may be zero if you did not receive a bonus for any of the periods), divided by three. If you were eligible
to receive a bonus for only one or two of such bonus periods (for example, because you were recently employed), then your “average bonus” equals the amount of the bonus received for such bonus period(s), divided by one or two, as
applicable. If you were not eligible to receive a bonus for any bonus period, your “average bonus” is zero. 
 The lump sum payment
will be subject to all applicable withholding taxes and the net amount will be paid to you as soon as administratively feasible after your release has become irrevocable. For sake of clarity under Internal Revenue Code section 409A, the net amount
will in no case be paid later than March 15 of the calendar year following the calendar year in which your termination of employment occurs. 
 Additional Benefits. Your lump sum amount as determined above will be increased by an additional amount equal to the premium for six months of group medical and/or dental coverage under HTI’s
group benefit plan(s). This additional benefit is only available if you are enrolled in HTI’s group medical and/or group dental coverage on the date of your termination of employment, and will be calculated by reference to your coverage and
enrollment level in effect as of your termination of employment (i.e., medical employee only, medical and dental employee plus one, etc.). 

Your coverage under HTI’s group benefit plan ceases as of the day of your termination of employment. The payment of the additional benefit described
above does not impact your right and your family members’ right to continuation of medical and dental coverage under Internal Revenue Code Section 4980B(f) or Section 602 of the Employee Retirement Income Security Act of 1974, as
amended (“COBRA”) or state law, nor does it provide for any 

  

 
payments or coverage under COBRA or state law or HTI’s group benefit plan. You are solely responsible for timely electing and paying all costs for continuation coverage under COBRA in
accordance with the applicable group medical or dental plan. 
 Reductions of Severance Benefits. The gross amount of your severance
benefits under this Appendix will be reduced by (1) the gross amount of any payments that HTI makes to you to satisfy its obligations under the Worker Adjustment and Retraining Notification (“WARN”) Act or similar federal, state, and
local laws, (2) the gross amount of any salary or wages you are paid for a period you are not working at HTI’s request after HTI has given you notice under the WARN Act (or similar federal, state or local law) and prior to your termination
of employment, and (3) consistent with applicable laws, any amount you owe HTI as determined by HTI’s Human Resources Department. 

Outplacement Services. You will receive professional outplacement services at HTI’s expense. The provider of outplacement services will be
selected by HTI. The duration of these services will not exceed six months, with such six-month period beginning immediately following your termination of employment (and in no event will reimbursement occur later than the end of the calendar year
following your termination of employment). 

  

 HUTCHINSON TECHNOLOGY INCORPORATED 

SEVERANCE PAY PLAN 
 (As Amended and Restated Effective March 8, 2011) 
 Appendix VI — Applicable
to Senior Executives of HTI 
 If you meet the eligibility requirements in Section II of the Severance Pay Plan (“Plan”), have a
severance event that qualifies you under Section III, and you are in one of the positions listed below, your benefits will be determined under this Appendix rather than under Section IV of the Plan. All other terms of the Plan apply to you.

 This Appendix applies to employees serving HTI in the following positions: 

 

	 	•	 	 Chief Executive Officer 

  

	 	•	 	 Chief Financial Officer 

  

	 	•	 	 Chief Technology Officer 

  

	 	•	 	 President (Company and/or Divisional) 

 Your severance benefit will be a lump sum payment. Your lump sum payment will equal one and one-half (1.5) times your annual “base pay” in effect immediately prior to your termination of
employment, plus an additional amount equal to your “average bonus.” Your “base pay” excludes overtime, bonuses, profit sharing, shift premiums, or any other special compensation. Your “average bonus” is calculated by
reference to the bonus, if any, you received for the three annual bonus periods that ended with or immediately prior to your termination of employment. If you were eligible to receive a bonus for all three of such bonus periods, your
“average” bonus is the sum of the bonuses received for such periods (which may be zero if you did not receive a bonus for any of the periods), divided by three. If you were eligible to receive a bonus for only one or two of such bonus
periods (for example, because you were recently employed), then your “average bonus” equals the amount of the bonus received for such bonus period(s), divided by one or two, as applicable. If you were not eligible to receive a bonus for
any bonus period, your “average bonus” is zero. 
 The lump sum payment will be subject to all applicable withholding taxes and the
net amount will be paid to you as soon as administratively feasible after your release has become irrevocable. For sake of clarity under Internal Revenue Code section 409A, the net amount will in no case be paid later than March 15 of the
calendar year following the calendar year in which your termination of employment occurs. 
 Additional Benefits. Your lump sum amount as
determined above will be increased by an additional amount equal to the premium for 12 months of group medical and/or dental coverage under HTI’s group benefit plan(s). This additional benefit is only available if you are enrolled in HTI’s
group medical and/or group dental coverage on the date of your termination of employment, and will be calculated by reference to your coverage and 

  

 
enrollment level in effect as of your termination of employment (i.e., medical employee only, medical and dental employee plus one, etc.). 

Your coverage under HTI’s group benefit plan ceases as of the day of your termination of employment. The payment of the additional benefit described
above does not impact your right and your family members’ right to continuation of medical and dental coverage under Internal Revenue Code Section 4980B(f) or Section 602 of the Employee Retirement Income Security Act of 1974, as
amended (“COBRA”) or state law, nor does it provide for any payments or coverage under COBRA or state law or HTI’s group benefit plan. You are solely responsible for timely electing and paying all costs for continuation coverage under
COBRA in accordance with the applicable group medical or dental plan. 
 Reductions of Severance Benefits. The gross amount of your
severance benefits under this Appendix will be reduced by (1) the gross amount of any payments that HTI makes to you to satisfy its obligations under the Worker Adjustment and Retraining Notification (“WARN”) Act or similar federal,
state, and local laws, (2) the gross amount of any salary or wages you are paid for a period you are not working at HTI’s request after HTI has given you notice under the WARN Act (or similar federal, state or local law) and prior to your
termination of employment, and (3) consistent with applicable laws, any amount you owe HTI as determined by HTI’s Human Resources Department. 
 Outplacement Services. You will receive professional outplacement services at HTI’s expense. The provider of outplacement services will be selected by HTI. The duration of these services will
not exceed 12 months, with such 12-month period beginning immediately following your termination of employment (and in no event will reimbursement occur later than the end of the second calendar year following your termination of employment).

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