Document:

Instrument of Resignation, Appointment and Acceptance

 Exhibit 4.4 
 INSTRUMENT OF RESIGNATION, APPOINTMENT AND ACCEPTANCE 
 THIS INSTRUMENT OF RESIGNATION, APPOINTMENT
AND ACCEPTANCE, (“Instrument”), dated as of October 29, 2008, by and among Hutchinson Technology Incorporated (the “Issuer”), LaSalle Bank National Association, as prior trustee (the “Prior Trustee”), and
Wells Fargo Bank, National Association, a national banking association, as successor trustee (the “Successor Trustee”). 
 RECITALS 
 WHEREAS, the Issuer and the Prior Trustee are parties to that certain Indenture dated as of January 25, 2006 (the
“Indenture”), relating to the 3.25% Convertible Subordinated Notes due 2026 (the “Securities”). Capitalized terms used, but not otherwise defined, herein shall have the same meaning ascribed to such terms in the Indenture.

 WHEREAS, the Trustee under the Indenture may resign by so notifying the Issuer; 
 WHEREAS, the Indenture provides that if the Trustee resigns, the Issuer shall appoint a successor Trustee; 
 WHEREAS, the Prior Trustee desires to resign as Trustee, Paying Agent, Registrar, Securities Custodian, and Conversion Agent under the Indenture;

 WHEREAS, the Issuer desires to appoint the Successor Trustee to serve as successor Trustee, Paying Agent, Registrar, Securities Custodian,
and Conversion Agent under the Indenture; 
 WHEREAS, the Successor Trustee is willing to accept the appointment as successor Trustee, Paying
Agent, Registrar, Securities Custodian, and Conversion Agent under the Indenture subject to the terms and conditions contained in this Instrument; and 
 WHEREAS, the Issuer, the Prior Trustee, and the Successor Trustee have agreed that this Instrument shall be effective as of 5:00 p.m. (Central Time) on November 10, 2008 (the “Effective Date”).

 NOW, THEREFORE, in consideration of the covenants set forth herein and other good and valuable consideration, the receipt and sufficiency
of which are hereby acknowledged, the parties hereto agree as follows: 
 1. Resignation and Appointment. As of the Effective Date:
(a) the Prior Trustee hereby notifies the Issuer that it hereby resigns as Trustee, Paying Agent, Registrar, Securities Custodian, and Conversion Agent under the Indenture; (b) the Issuer hereby accepts such resignation; and (c) the
Issuer hereby appoints the Successor Trustee as Trustee, Paying Agent, Registrar, Securities Custodian, and Conversion Agent under the Indenture, and vests in and confirms to the Successor Trustee all rights, powers, trusts, privileges, duties and
obligations of the Trustee, Paying Agent, Registrar, Securities Custodian, and Conversion Agent under the Indenture. 
 2. Issuer’s
Representations and Warranties. The Issuer hereby represents and warrants to the Prior Trustee and the Successor Trustee that: 
  

	 	a.	It is duly organized and validly existing and in good standing under all applicable laws, and this Instrument has been duly authorized, executed and delivered on its behalf and
constitutes its legal, valid, binding and enforceable obligation; 

  

	 	b.	It has not entered into any amendment or supplement to the Indenture, and the Indenture is in full force and effect; 

  

	 	c.	It is not in default of any of its obligations under the Indenture, and to the best of the knowledge of the Issuer, no event has occurred and is continuing which is, or after notice
or lapse of time, or both, would become, an Event of Default under the Indenture; 

  

	 	d.	The Indenture was validly executed and delivered by the Issuer and the Securities were validly issued by the Issuer; 

  

	 	e.	There is no action, suit, or proceeding pending, or to the best of the Issuer’s knowledge, threatened against the Issuer before any court or any governmental authority arising
out of any act or omission of the Issuer under the Indenture; 

	 	f.	To the best of the Issuer’s knowledge, the execution, delivery and performance of this Instrument does not and will not conflict with, or result in a breach of, any of the
terms or provisions of, or constitute a default under, any (i) contract, agreement, indenture or other instrument (including, without limitation, its certificate of incorporation, by-laws and/or any and all other applicable organizational
documents) to which it is a party or by which it or its property is bound, or (ii) any judgment, decree or order of any court or governmental Issuer or regulatory body or law, rule or regulation applicable to it or its property; and

  

	 	g.	All conditions precedent of the Issuer in the Indenture relating to the appointment of the Successor Trustee as the successor Trustee under the Indenture have been complied with by
the Issuer. 

 3. Prior Trustee’s Representations and Warranties. The Prior Trustee hereby represents and warrants
to the Issuer and the Successor Trustee that: 
  

	 	a.	It has not entered into an amendment or supplement to the Indenture, and the Indenture is in full force and effect; 

  

	 	b.	No covenant or condition contained in the Indenture has been waived by the Prior Trustee or, to the best of the knowledge of the Prior Trustee, by the owners of the percentage in
aggregate principal amount of the Securities required by the Indenture to effect any such waiver; 

  

	 	c.	There is no action, suit or proceeding pending or, to its knowledge, threatened, against the Prior Trustee before any court or governmental authority arising out of any action or
omission by the Prior Trustee as Trustee, Paying Agent, Registrar, Securities Custodian, and Conversion Agent under the Indenture; 

  

	 	d.	It has made, or promptly will make, available to the Successor Trustee originals, if available, or copies in its possession, of all documents relating to the trusts created by the
Indenture and all information in the possession of its corporate trust administration department relating to the administration and status of the trusts under the Indenture; 

  

	 	e.	It has lawfully discharged its duties as Trustee, Paying Agent, Registrar, Securities Custodian, and Conversion Agent under the Indenture; 

  

	 	f.	This Instrument has been duly authorized, executed and delivered on behalf of the Prior Trustee and constitutes its legal, valid, binding and enforceable obligation;

  

	 	g.	As of the Effective Date, the Prior Trustee has made no advances as Trustee or Paying Agent under the Indenture for the reimbursement of which it claims or may claim a lien or
charge prior to that of the holders of Securities; 

  

	 	h.	The aggregate principal amount of Securities outstanding as of the Effective Date is $225,000,000 as listed on the attached Exhibit A. All interest, if any, due and payable on the
Securities has been duly paid, or provided for by the Issuer, pursuant to the Indenture; 

  

	 	i.	To the best of the Prior Trustee’s knowledge, the Issuer is not in default under the Indenture and no event has occurred and is continuing which is, or after notice or lapse of
time, or both, would become an Event of Default under the Indenture; and 

  

	 	j.	The Prior Trustee retains continued responsibility for its actions or omissions during its term as Trustee, Paying Agent, Registrar, Securities Custodian, and Conversion Agent under
the Indenture. 

 4. Successor Trustee’s Representations and Warranties. The Successor Trustee represents and
warrants to the Prior Trustee and the Issuer that: 
  

	 	a.	It is qualified and eligible to serve as Trustee, Paying Agent, Registrar, Securities Custodian, and Conversion Agent under the Indenture; 

  

	 	b.	This Instrument has been duly authorized, executed and delivered on behalf of the Successor Trustee and constitutes its legal, valid, binding and enforceable obligation; and

  

	 	c.	Promptly after the execution and delivery of this Instrument, the Successor Trustee shall cause a notice, in substantially the form annexed hereto marked Exhibit B, to be sent to
each holder of Securities in accordance with Section 8.08 of the Indenture. 

  

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 5. Acceptance of Appointment. The Successor Trustee hereby accepts appointment as, and is eligible
to act as Trustee, Paying Agent, Registrar, Securities Custodian, and Conversion Agent for the Securities, under the Indenture and accepts all rights, powers, privileges, duties, obligations and trusts of the Prior Trustee as the Trustee, Paying
Agent, Registrar, Securities Custodian, and Conversion Agent under and pursuant to the Indenture and agrees to be bound by all terms of the Indenture, such acceptance and agreement to be effective as of the Effective Date and subject to the terms
and conditions set forth in this Instrument. 
 6. Conveyance by Prior Trustee. The Prior Trustee hereby duly conveys, assigns,
transfers and delivers to the Successor Trustee and to its successors and assigns, without recourse, but otherwise subject to the terms hereof, and upon the trusts expressed in the Indenture, all the rights, powers, privileges, obligations and
trusts of the Prior Trustee as Trustee, Paying Agent, Registrar, Securities Custodian, and Conversion Agent, under and pursuant to the Indenture and all property and money, if any, held by or under the control of the Prior Trustee as Trustee, Paying
Agent, Registrar, Securities Custodian, and Conversion Agent, under the Indenture, together will all records and documents in any way relating thereto. The Prior Trustee hereby agrees to transfer all money and property held by it or under its
control as Trustee, Paying Agent, Registrar, Securities Custodian, and Conversion Agent, for the Securities to the Successor Trustee. 
 7.
Deliveries by Prior Trustee. On or before the Effective Date, the Prior Trustee shall deliver to the Successor Trustee the following: 
  

	 	a.	The official Securities closing transcript together with any amendments to the documents therein received by the Prior Trustee; 

  

	 	b.	The registers relative to the current holders and outstanding Securities; 

  

	 	c.	Original FAST DTC book entry Securities; 

  

	 	d.	Copies of the account statements through the Effective Date; 

  

	 	e.	If applicable, copies of the most recent insurance, tax certificates, real estate tax payment receipt or bill, and UCC-3 continuation statement filings, as may be required under the
Indenture and in the control or possession of the Prior Trustee; and 

  

	 	f.	Copies of all instruments, documents and other materials in any way relating to the trusts created by the Indenture (other than internal documents proprietary to the Prior Trustee).

 8. Indemnification. The Issuer and the Prior Trustee acknowledge and agree that nothing contained herein or otherwise
shall constitute an assumption by the Successor Trustee of any liability of the Prior Trustee arising out of any breach by the Prior Trustee in the performance or non-performance of the Prior Trustee’s duties as Trustee under the Indenture. The
Prior Trustee agrees to pay or indemnify, if applicable, the Successor Trustee and save the Successor Trustee harmless from and against any and all costs, claims, liabilities, losses or damages (including the fees, expenses and disbursements of the
Successor Trustee’s legal counsel and other advisors) including by way of service of a complaint or summons (a “Third-Party Claim”) arising out of the actions or omissions of the Prior Trustee that the Successor Trustee may suffer or
incur as a result of accepting such appointment and acting as successor Trustee under the Indenture. The Successor Trustee will furnish to the Issuer and the Prior Trustee, promptly upon receipt, all documents with respect to any action the outcome
of which would make the indemnity provided for in this paragraph operative. The Successor Trustee shall notify the Issuer and the Prior Trustee in writing of any claim for which it may seek indemnity. The Prior Trustee will be entitled, if it so
elects, to take control of the defense and investigation of any claim or Third-Party Claim and to employ and engage attorneys of its own choice to handle and defend the same, at its expense; provided, however, that as part of the defense of any
claim, the indemnifying party may not settle any such claim without the indemnified party’s prior written consent, which consent will not be unreasonably withheld; and the indemnified party retains the right to participate in the defense of any
such claim at its expense and through counsel of its choosing. 
 The Issuer’s obligation to indemnify the Successor Trustee is
separately set out in Section 8.07 of the Indenture. In executing and delivering this Instrument, the Successor Trustee shall have the indemnity afforded a trustee under the Indenture. 
 9. Further Assurances. The Issuer and the Prior Trustee, for the purposes of more fully and certainly vesting in and confirming to the Successor
Trustee, as successor Trustee, Paying Agent, Registrar, Securities Custodian, and Conversion Agent under the Indenture, said rights, powers, trusts, privileges, duties and obligations, agree upon reasonable request of the Issuer or the Successor
Trustee, to execute, acknowledge and deliver such 

  

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further instruments of conveyance and further assurance and to do such other things as may reasonably be required for more fully and certainly vesting and
confirming to the Successor Trustee all rights, powers, trusts, privileges, duties and obligations which the Prior Trustee held under and by virtue of the Indenture. 
 10. Survival of Issuer’s Obligations. Notwithstanding the resignation of the Prior Trustee, the Issuer’s obligations under Section 8.07 shall continue for the benefit of the Prior Trustee with
respect to expenses and liabilities incurred by it prior to the Effective Date. 
 11. Notices. All notices, whether faxed or mailed,
will be deemed received when sent pursuant to the following instructions: 
 TO THE SUCCESSOR TRUSTEE: 
 Wells Fargo Bank, National Association 
 Corporate Trust Services CMES 
 625 Marquette Avenue, MAC N9311-110 
 Minneapolis, MN 55479 
 Attn: Kim Nguyen Ph# (612) 667-7916 
 Fx# (612) 667-9825 
 TO THE PRIOR TRUSTEE: 
 LaSalle Bank National Association 
 135 South LaSalle Street, Suite 1625 
 Corporate Trust Services Division 
 Chicago, IL 60603 
 Attn: Frank Pierson Ph# (312) 904-5527 
 Fx# (312) 904-4018 
 TO THE ISSUER: 
 Hutchinson Technology Incorporated 
 40 West Highland Park Drive NE 
 Hutchinson, MN 55350 
 Attn: Ruth Bauer Ph # (320) 587-1520 
 Fx # (320) 587-1810 
 12. Corporate Trust Office. All references in the Indenture and related documents to “corporate trust office” or other similar references to the corporate trust office of the Trustee shall be deemed to refer to the
corporate trust office of the Successor Trustee described in Section 11 of this Instrument. 
 13. Rights and Interests of Successor
Trustee. In accordance with Section 8.08 of the Indenture, in executing and delivering this Instrument, the Successor Trustee shall have all the rights, powers and duties of a trustee under the terms and provisions of the Indenture.

 14. Effective Date. This Instrument and the resignation, appointment and acceptance effected hereunder shall be effective as of the
Effective Date. 
 15. Governing Law. This Instrument shall be governed by and construed in accordance with the laws of the State of
New York. 
 16. Counterparts. This Instrument may be executed in any number of counterparts, each of which will be an original, but
such counterparts shall together constitute one and the same instrument. 
 17. Severability. In the event that any provisions of this
Instrument shall be deemed invalid or unenforceable by any court of competent jurisdiction, such holding shall not invalidate or render unenforceable any other provision of this Instrument. 
  

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 18. Entire Agreement. This Instrument sets forth the entire agreement of the parties with respect
to its subject matter, and supersedes and replaces any and all prior contemporaneous warranties, representations or agreements, whether oral or written, with respect to the subject matter of this Instrument other than those contained in the
Instrument. 
 19. Amendments. This Instrument may not be amended or modified except by agreement set forth in a written memorandum
executed by all parties to this Instrument. 
  

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

			
	 WELLS FARGO BANK, NATIONAL ASSOCIATION,
 as Successor Trustee

		
	By:	 	 /s/ Kim Nguyen

	Name:	 	Kim Nguyen
	Title:	 	Asst. Vice President
	
	 LASALLE BANK NATIONAL ASSOCIATION,
 as Prior Trustee

		
	By:	 	 /s/ Frank Pierson

	Name:	 	Frank Pierson
	Title:	 	
	
	 HUTCHINSON TECHNOLOGY INCORPORATED,
 as Issuer

		
	By:	 	 /s/ Ruth N. Bauer

	Name:	 	Ruth N. Bauer
	Title:	 	Treasurer

  

 6Second Amendment to Second Amended and Restated Loan Agreement

 Exhibit 10.4 
 SECOND AMENDMENT TO SECOND AMENDED AND RESTATED LOAN AGREEMENT 
 This SECOND AMENDMENT TO SECOND
AMENDED AND RESTATED LOAN AGREEMENT (“Amendment”), by and between HUTCHINSON TECHNOLOGY INCORPORATED, a Minnesota corporation (“HTI”), HUTCHINSON TECHNOLOGY ASIA, INC., a Minnesota corporation (“Asia”; collectively HTI
and Asia shall be referred to as the “Borrower”), whose address is 40 West Highland Park, Hutchinson, Minnesota 55350, and BANK OF AMERICA N.A., as successor by merger to LASALLE BANK NATIONAL ASSOCIATION, a national banking association,
(the “Bank”), whose address is 135 South LaSalle Street, Chicago, Illinois 60603, dated as of November 5, 2008 and effective as of September 26 2008. 
 R E C I T A L S: 
 A. The Borrower and the Bank
entered into that certain Second Amended and Restated Loan Agreement dated as of December 21, 2007 as amended by that certain Amendment to Second Amended and Restated Loan Agreement dated as of February 1, 2008 (as so amended, the
“Loan Agreement”), pursuant to which Loan Agreement the Bank has made a Revolving Loan to the Borrower evidenced by that certain Second Replacement Revolving Note dated as of December 21, 2007 in the maximum principal amount of Fifty
Million and 00/100 Dollars ($50,000,000.00), executed by the Borrower and made payable to the order of the Bank (the “Revolving Note”). 
 B. At the present time the Borrower requests, and the Bank is agreeable to amending the Loan Agreement as provided herein, pursuant to the terms and conditions hereinafter set forth. 
 NOW THEREFORE, in consideration of the premises and other good and valuable consideration, the receipt and adequacy of which are hereby acknowledged, the
Borrower and the Bank hereby agree as follows: 
 A G R E E M E N T S:

 1. RECITALS. The foregoing Recitals are hereby made a part of this Amendment. 
 2. DEFINITIONS. Capitalized words and phrases used herein without definition shall have the respective meanings ascribed to such words and phrases
in the Loan Agreement. 
 3. AMENDMENTS TO THE LOAN AGREEMENT. 
 3.1. Section 1.1 is hereby amended to add the following defined terms in alphabetical order: 
 “ARS Lender” means Smith Barney Inc., USB Financial Services, Inc. and/or any other Person providing a Permitted Auction Rate Securities
Loan. 
 “Adjusted HTO Investment Amount” means if there is a Real Estate Financing, $130,000,000 minus the Real Estate
Financing Amount. 
 “Collateral” shall have the meaning ascribed to it in the Security Agreement. 
 “HTO” means Hutchinson Technology Operations (Thailand) Co., LTD so long as HTI owns 100% of the outstanding stock of HTO. 

“HTO Permitted Investments” means: (a) if there is no Real Estate Financing, Investments in or to HTO provided that the
aggregate amount so invested or loan to HTO shall not exceed $130,000,000; or (b) if there is a Real Estate Financing, Investments in or to HTO provided that the aggregate amount so invested or loan to HTO shall not exceed the Adjusted HTO
Investment Amount. 
 “Initial Loan Documents” shall have the meaning ascribed to it in Section 3.1. 
 “Investments” shall have the meaning ascribed to it in Section 7.3. 
 “Non-HTO Permitted Investments” means, at any time, Investments in or to all Non-HTO Subsidiaries, in the aggregate, not to exceed
$10,000,000 at any time outstanding. 
 “Non-HTO Subsidiaries” means all of the Borrower’s Subsidiaries except HTO.

 “Permitted Auction Rate Securities” means student loan backed auction rate securities
acquired by the Borrower prior to September 1, 2008 which had an aggregate acquisition cost of not greater than $100,700,000.00. 
 Permitted Auction Rate Securities Loans” means loans made by an ARS Lender to HTI: a) which will be secured solely by those Permitted Auction Rate Securities that each such ARS Lender holds for the account of Borrower as well as
the proceeds thereform; b) which will be in a principal amount not exceeding the lesser of: (i) the market value of such pledged Permitted Auction Rate Securities; or (ii) Borrower’s acquisition cost of such pledged Permitted Auction
Rate Securities; and (c) with respect to which such ARS Lender shall have waived all rights of setoff against any other assets of the Borrower or amounts such ARS Lender owes to the Borrower which waiver shall be made pursuant to an agreement
satisfactory to Bank in its sole discretion. 
 “Permitted Subsidiary Investments” means HTO Permitted Investments and
Non-HTO Permitted Investments. 
 “Prime” shall mean the floating per annum rate of interest which at any time, and from
time to time, shall be most recently announced by the Bank as its “Prime Rate,” which is not intended to be the Bank’s lowest or most favorable rate of interest at any one time. The effective date of any change in the “Prime
Rate” shall for purposes hereof be the date the “Prime Rate” is changed by the Bank. The Bank shall not be obligated to give notice of any change in the “Prime Rate.” 
 “Real Estate Financing” means a loan in a principal amount not to exceed the Real Estate Financing Amount provided by a party other than
the Bank, the Borrower or any Affiliate of the Borrower to HTO for the purpose of acquiring real property and building a factory in Thailand. 
 “Real Estate Financing Amount” means the principal amount of the Real Estate Financing but not in excess of $25,000,000. 
 “Reduction Date” means the earlier to occur of: a) February 3, 2009; or b) the first date in which the Borrower signs an agreement, note or similar document with respect to a Permitted Auction Rate Securities Loan.

 “Security Agreement” means that certain Security Agreement dated November 5, 2008 executed by the Borrower and
delivered to the Bank. 
 3.2. Section 1.1 is hereby amended to amend and restate the following defined terms: 
 “LIBOR Rate” shall mean (A) for all LIBOR Loans, a per annum rate of interest equal to LIBOR for the relevant Interest Period,
plus two percent (2.00%), which LIBOR Rate shall remain fixed during such Interest Period; and (B) for all Alternate Currency Loans, a per annum rate of interest equal to the Alternate Currency Rate for the relevant Interest Period
plus two percent (2.00%), which Alternate Currency Rate shall remain fixed during such Interest Period. 
 “Loan
Documents” shall mean each of this Agreement, the Note, the Security Agreement, the Initial Loan Documents and each and every other agreement, document, instrument and certificate executed in connection with the foregoing from time to time
for the benefit of the Bank in connection with the foregoing, and all amendments, restatements, supplements and other modifications thereto. 
 “Maturity Date” shall mean December 1, 2009, unless extended by the Bank pursuant to any modification, extension or renewal note executed by the Borrower and accepted by the Bank in its sole and absolute discretion in
substitution for the Note. 
 “Prime Rate” means a rate of interest equal to Prime plus two percent (2.00%). 
 “Revolving Loan Commitment” means: a) for the period before the Reduction Date, the sum of Fifty Million and 00/100 Dollars
($50,000,000.00); and b) for the period commencing on the Reduction Date and continuing thereafter, the sum of Twenty-Five Million and 00/100 Dollars ($25,000,000.00). 
 “Senior Debt” means all Covenant Indebtedness, less all Subordinated Debt and less all Permitted Auction Rate Securities Loans. 
  

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 “Unused Amount” means the Revolving Loan Commitment, less all outstanding
Revolving Loans and less the Letter of Credit Obligations. 
 3.3. Section 2.5(a) is deleted in its entirety and is replaced by the
following: 
 (a) Unused Fee. The Borrower agrees to pay to the Bank a fee in the amount one-half of one percent
(0.50%) per annum of the Unused Amount (“Unused Fee”) which shall be determined daily and calculated based upon a 360 day year. The Unused Fee shall be paid four times per year, in arrears, on the last Business Day of each calendar quarter

 3.4. The Loan Agreement is amended to add the following new Section 2.8 immediately following Section 2.7: 
 2.8 Collateral. As security for the Obligations, Borrower will grant to Bank a security interest of first priority in the
Collateral pursuant to the Security Agreement. Borrower shall pay to Bank immediately upon demand the full amount of all charges, costs and expenses (to include fees paid to third parties and all allocated costs of Bank personnel), expended or
incurred by Bank in connection with any of the foregoing security, including without limitation, filing and recording fees and costs of appraisals and audits, as provided in Security Agreement. 
 3.5. Section 3.1 of the Loan Agreement is amended to change the defined term “Loan Documents” to “Initial Loan Documents.”

 3.6. Section 5 of the Loan Agreement is amended to delete the words “one percent (1.00%)” appearing in the second paragraph
of such Section 5 and replacing it with the words “two percent ((2.00%).” 
 3.7. Section 7.1 of the Loan Agreement is
hereby amended to add the following subsection “(k)” and “(l)” immediately following subsection “(j)”: 
 (k) A guaranty of the obligations of HTO with respect to the Real Estate Financing; and 
 (l) Permitted Auction Rate Securities Loans. 
 3.8. Section 7.2 of the Loan Agreement is hereby amended in its entirety to
read as follows: 
 7.2 Encumbrances. The Borrower shall not either directly or indirectly, create, assume, incur or
suffer or permit to exist any Lien or charge of any kind or character upon any asset of the Borrower, whether owned at the date hereof or hereafter acquired, except for the following: 
 (a) Permitted Liens. 
 (b) Liens in connection with the acquisition of property after the date hereof by way of purchase money mortgage, conditional sale or other title retention agreement, Capitalized Lease or other deferred payment
contract, provided, that such Liens attach only to the property being acquired and that the Indebtedness secured thereby does not exceed the fair market value of such property at the time of acquisition thereof and that the Indebtedness is
otherwise permitted under Section 7.1; and 
 (c) Liens on Permitted Auction Rate Securities (including the proceeds
thereof) securing Permitted Auction Rate Securities Loans. 
 3.9. Section 7.3 of the Loan Agreement is hereby amended in its entirety
to read as follows which amendment shall be deemed effective as of September 26, 2008: 
 7.3 Investments. The
Borrower shall not, either directly or indirectly, make or have outstanding any new investments (whether through purchase of stocks, obligations or otherwise) in, or loans or advances to, any other Person, or acquire all or any substantial part of
the assets, business, stock or other evidence of beneficial ownership of any other Person (“Investments”) except: a) Investments by HTI in or to Asia; b) to the extent permitted under the terms of Schedule 7.3; c) to the extent that
such Investment consists of Permitted Auction Rate Securities; and d) Permitted Subsidiary Investments. 
  

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 3.10. The Loan Agreement is amended to add the following new Section 7.9 immediately following
Section 7.8: 
 7.9 No Negative Pledge. The Borrower shall not enter into any agreement (other than with the
Bank) that prohibits or limits the liens, mortgages, security interests, guaranties or similar interests that the Borrower or any Subsidiary may grant to Bank, except in connection with any document governing Liens i) permitted by
Section 7.2(a), Section 7.2(b), or Section 7.2(c); or ii) securing the Real Estate Financing provided that such restriction contained therein relates only to the assets subject to such Liens. 
 3.11. The Loan Agreement is amended to add the following new Section 8.14 immediately following Section 8.13: 
 8.14 Permitted Auction Rate Securities Loans. On or before the tenth day following the execution of any documents evidencing or
relating to a Permitted Auction Rate Securities Loan, the Borrower shall deliver a copy of all such executed documents to Bank. 
 3.12.
Section 9.3 is hereby deleted in its entirety and is replaced with the following: 
 9.3 “Total Debt to
Capitalization. As of the end of each of its fiscal quarters, the Borrower shall maintain a ratio of (i) Covenant Indebtedness to (ii) Capitalization not to exceed 0.60 to 1.00. 
 3.13. Section 12.17 is hereby amended to delete the address Bank appearing therein and replace it with the following: 
 Bank of America N.A. 
 135 South LaSalle Street 
 Chicago, Illinois 60603 
 Attn.: Quinn Richardson 
 3.14. Schedule 6.4 is deleted in its entirety and is replaced by Schedule 6.4 attached hereto. 
 3.15. Schedule 6.6 is deleted in
its entirety and is replaced by Schedule 6.6 attached hereto. 
 3.16. Schedule 6.8 is deleted in its entirety and is replaced by Schedule
6.8 attached hereto. 
 3.17. Exhibit “A” to the Loan Agreement is deleted in its entirety and is replaced with Exhibit A
attached hereto. 
 4. REPRESENTATIONS AND WARRANTIES. To induce the Bank to enter into this Amendment, the Borrower hereby certifies,
represents and warrants to the Bank that: 
 4.1. Organization. Each Borrower is a corporation duly organized, existing and in good
standing under the laws of the State of Minnesota, with full and adequate corporate power to carry on and conduct its business as presently conducted. The Borrower is duly licensed or qualified in all foreign jurisdictions wherein the nature of its
activities require such qualification or licensing except where the failure to be so qualified would not have a material adverse effect on the Borrower. HTI’s state issued organizational identification number is 1I-896 and Asia’s state
issued organizational identification number is 5Y-334. The exact legal name of the Borrower is as set forth in the preamble of this Amendment, and the Borrower currently does not conduct, nor has it during the last five (5) years conducted,
business under any other name or trade name. 
 4.2. Authorization. The Borrower is duly authorized to execute and deliver this
Amendment and is and will continue to be duly authorized to borrow monies under the Loan Agreement, as amended hereby, and to perform its obligations under the Loan Agreement, as amended hereby. 
 4.3. No Conflicts. The execution and delivery of this Amendment and the performance by the Borrower of its obligations under the Loan Agreement,
as amended hereby, do not and will not conflict with any provision of law or of the Articles of Incorporation of the Borrower or of any agreement binding upon the Borrower. 
 4.4. Validity and Binding Effect. The Loan Agreement, as amended hereby, is a legal, valid and binding obligation of the Borrower, enforceable
against the Borrower in accordance with its terms, except as enforceability may be limited by bankruptcy, insolvency or other similar laws of general application affecting the enforcement of creditors’ rights or by general principles of equity
limiting the availability of equitable remedies. 
  

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 4.5. Compliance with Loan Agreement. The representations and warranties set forth in
Section 6 of the Loan Agreement, as amended hereby, are true and correct with the same effect as if such representations and warranties had been made on the date hereof, with the exception that all references to the financial statements shall
mean the financial statements most recently filed with the Securities and Exchange Commission and except for such changes as are specifically permitted under the Loan Agreement. In addition, the Borrower has complied with and is in compliance with
all of the covenants set forth in the Loan Agreement, as amended hereby, including, but not limited to, those set forth in Section 7, Section 8 and Section 9 thereof. 
 4.6. No Event of Default. As of the date hereof and upon the effectiveness of this Amendment, no Event of Default under Section 10 of the
Loan Agreement, as amended hereby, or event or condition which, with the giving of notice or the passage of time, or both, would constitute an Event of Default, has occurred or is continuing. 
 4.7. Non-HTO Permitted Investments. As of the date of this Amendment, Non-HTO Permitted Investments do not exceed $4,000,000. 
 4.8. HTO Permitted Investments. As of the date of this Amendment, HTO Permitted Investments do not exceed $250,000. 
 5. CONDITIONS PRECEDENT. This Amendment shall become effective as of September 26, 2008 after receipt by the Bank of the following:

 5.1. Amendment. This Amendment executed by the Borrower and the Bank. 
 5.2. Note. The Third Replacement Revolving Note in form and substance acceptable to the Bank executed by the Borrower. 
 5.3. Security Agreement. The Security Agreement executed by the Borrower. 
 5.4. Resolutions Resolutions of the board of directors and/or the shareholders of HTI and Asia authorizing the execution by the Borrower of this
Amendment and the Loan Documents. 
 5.5. Other Documents. Such other documents, certificates and/or opinions of counsel as the Bank
may request. 
 6. GENERAL. 
 6.1. Governing Law; Severability. This Amendment shall be construed in accordance with and governed by the laws of Illinois. Wherever possible each provision of the Loan Agreement and this Amendment shall be interpreted in such
manner as to be effective and valid under applicable law, but if any provision of the Loan Agreement and this Amendment shall be prohibited by or invalid under such law, such provision shall be ineffective to the extent of such prohibition or
invalidity, without invalidating the remainder of such provision or the remaining provisions of the Loan Agreement and this Amendment. 
 6.2. Successors and Assigns. This Amendment shall be binding upon the Borrower and the Bank and their respective successors and assigns, and shall inure to the benefit of the Borrower and the Bank and the successors and assigns of
the Bank. 
 6.3. Continuing Force and Effect of Loan Documents. Except as specifically modified or amended by the terms of this
Amendment, all other terms and provisions of the Loan Agreement and the other Loan Documents are incorporated by reference herein, and in all respects, shall continue in full force and effect. The Borrower, by execution of this Amendment, hereby
reaffirms, assumes and binds itself to all of the obligations, duties, rights, covenants, terms and conditions that are contained in the Loan Agreement and the other Loan Documents. 
 6.4. Release. The Borrower hereby absolutely and unconditionally releases and forever discharges the Bank, and any and all participants, parent
corporations, subsidiary corporations, affiliated corporations, insurers, indemnitors, successors and assigns thereof, together with all of the present and former directors, officers, agents and employees of any of the foregoing, from any and all
claims, demands or causes of action of any kind, nature or description, whether arising in law or equity or upon contract or tort or under any state or federal law or otherwise, which the Borrower has had, now has or has made claim to have against
any such person for or by reason of any act, omission, matter, cause or thing whatsoever arising from the beginning of time to and including the date of this Amendment, whether such claims, demands and causes of action are matured or unmatured or
known or unknown 
  

 5 

 6.5. References to Loan Agreement. Each reference in the Loan Agreement to “this
Agreement”, “hereunder”, “hereof”, or words of like import, and each reference to the Loan Agreement in any and all instruments or documents delivered in connection therewith, shall be deemed to refer to the Loan Agreement,
as amended hereby. 
 6.6. Expenses. The Borrower shall pay all costs and expenses in connection with the preparation of this
Amendment and other related loan documents, including, without limitation, reasonable attorneys’ fees and time charges of attorneys who may be employees of the Bank or any affiliate or parent of the Bank. The Borrower shall pay any and all
stamp and other taxes, UCC search fees, filing fees and other costs and expenses in connection with the execution and delivery of this Amendment and the other instruments and documents to be delivered hereunder, and agrees to save the Bank harmless
from and against any and all liabilities with respect to or resulting from any delay in paying or omission to pay such costs and expenses. 
 6.7. Counterparts. This Amendment may be executed in any number of counterparts, all of which shall constitute one and the same agreement. 
 (Signatures on Following Page) 
  

 6 

 (Signature Page for Second Amendment to Second Amended and Restated Loan Agreement) 
 IN WITNESS WHEREOF, the parties hereto have executed this Amendment as of the date first above written. 
  

			
	 HUTCHINSON TECHNOLOGY INCORPORATED,
 a Minnesota corporation

		
	By:	 	 /s/ Ruth N. Bauer

	Name:	 	Ruth N. Bauer
	Title:	 	Treasurer
	
	 HUTCHINSON TECHNOLOGY ASIA, INC.,
 a Minnesota corporation

		
	By:	 	 /s/ Ruth N. Bauer

	Name:	 	Ruth N. Bauer
	Title:	 	Treasurer
	
	 BANK OF AMERICA N.A.,
 a national banking
association

		
	By:	 	 /s/ A. Quinn Richardson

	Name:	 	A. Quinn Richardson
	Title:	 	SVP

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