Document:

Class A(2005-10) Terms Document

 Exhibit 4.1 
  
 EXECUTION COPY 
  

  
 MBNA CREDIT CARD MASTER NOTE TRUST

  
 as Issuer 
  
 CLASS A(2005-10) TERMS DOCUMENT 
  
 dated as of November 29, 2005 
  
 to 
  
 MBNASERIES INDENTURE SUPPLEMENT 
  
 dated as of May 24, 2001 
  
 to 
  
 INDENTURE 
  
 dated as of May 24, 2001 
  
 THE BANK OF NEW YORK

  
 as Indenture Trustee 
  

 TABLE OF CONTENTS 
  

					
	 	  	 	  	Page

	 ARTICLE I        DEFINITIONS AND OTHER PROVISIONS OF GENERAL APPLICATION
	  	1
			
	         Section 1.01.
	  	Definitions	  	1
			
	         Section 1.02.
	  	Governing Law; Submission to Jurisdiction; Agent for Service of Process	  	5
			
	         Section 1.03.
	  	Counterparts	  	5
			
	         Section 1.04.
	  	Ratification of Indenture and Indenture Supplement	  	5
		
	 ARTICLE II        THE CLASS A(2005-10) NOTES
	  	7
			
	         Section 2.01.
	  	Creation and Designation	  	7
			
	         Section 2.02.
	  	Specification of Required Subordinated Amount and other Terms	  	7
			
	         Section 2.03.
	  	Interest Payment	  	7
			
	         Section 2.04.
	  	Calculation Agent; Determination of LIBOR	  	8
			
	         Section 2.05.
	  	Payments of Interest and Principal	  	8
			
	         Section 2.06.
	  	Form of Delivery of Class A(2005-10) Notes; Depository; Denominations	  	9
			
	         Section 2.07.
	  	Delivery and Payment for the Class A(2005-10) Notes	  	9
			
	         Section 2.08.
	  	Targeted Deposits to the Accumulation Reserve Account	  	9
		
	 ARTICLE III        REPRESENTATIONS AND WARRANTIES
	  	10
			
	         Section 3.01.
	  	Issuer’s Representations and Warranties	  	10

  

 -i- 

 THIS CLASS A(2005-10) TERMS DOCUMENT (this “Terms Document”), by and between MBNA CREDIT
CARD MASTER NOTE TRUST, a statutory trust created under the laws of the State of Delaware (the “Issuer”), having its principal office at Rodney Square North, 1100 North Market Street, Wilmington, Delaware 19890, and THE BANK OF NEW
YORK, a New York banking corporation (the “Indenture Trustee”), is made and entered into as of November 29, 2005. 
  
 Pursuant to this Terms Document, the Issuer and the Indenture Trustee shall create a new tranche of Class A Notes and shall specify the principal
terms thereof. 
  
 ARTICLE I 
  
 Definitions and Other Provisions of General Application 
  
 Section 1.01. Definitions. For all purposes of this Terms
Document, except as otherwise expressly provided or unless the context otherwise requires: 
  

	 	(1)	the terms defined in this Article have the meanings assigned to them in this Article, and include the plural as well as the singular; 

  

	 	(2)	all other terms used herein which are defined in the Indenture Supplement or the Indenture, either directly or by reference therein, have the meanings assigned to them therein;

  

	 	(3)	all accounting terms not otherwise defined herein have the meanings assigned to them in accordance with generally accepted accounting principles and, except as otherwise herein
expressly provided, the term “generally accepted accounting principles” with respect to any computation required or permitted hereunder means such accounting principles as are generally accepted in the United States of America at the date
of such computation; 

  

	 	(4)	all references in this Terms Document to designated “Articles,” “Sections” and other subdivisions are to the designated Articles, Sections and other subdivisions
of this Terms Document as originally executed; 

  

	 	(5)	the words “herein,” “hereof” and “hereunder” and other words of similar import refer to this Terms Document as a whole and not to any particular
Article, Section or other subdivision; 

  

	 	(6)	in the event that any term or provision contained herein shall conflict with or be inconsistent with any term or provision contained in the Indenture Supplement or the Indenture,
the terms and provisions of this Terms Document shall be controlling; 

  

	 	(7)	each capitalized term defined herein shall relate only to the Class A(2005-10) Notes and no other tranche of Notes issued by the Issuer; and 

  

	 	(8)	“including” and words of similar import will be deemed to be followed by “without limitation.” 

 “Accumulation Reserve Funding Period” shall mean, (a) if the Accumulation Period
Length is determined to be one (1) month, there shall be no Accumulation Reserve Funding Period and (b) otherwise, the period (x) commencing on the earliest to occur of (i) the Monthly Period beginning three (3) calendar
months prior to the first Transfer Date for which a budgeted deposit is targeted to be made into the Principal Funding sub-Account of the Class A(2005-10) Notes pursuant to Section 3.10(b) of the Indenture Supplement, (ii) the
Monthly Period following the first Transfer Date following and including the May 2011 Transfer Date for which the Quarterly Excess Available Funds Percentage is less than 2%, but in such event the Accumulation Reserve Funding Period shall not be
required to commence earlier than 24 months prior to the Expected Principal Payment Date, (iii) the Monthly Period following the first Transfer Date following and including the November 2011 Transfer Date for which the Quarterly Excess
Available Funds Percentage is less than 3%, but in such event the Accumulation Reserve Funding Period shall not be required to commence earlier than 18 months prior to the Expected Principal Payment Date, and (iv) the Monthly Period following
the first Transfer Date following and including the January 2012 Transfer Date for which the Quarterly Excess Available Funds Percentage is less than 4%, but in such event the Accumulation Reserve Funding Period shall not be required to commence
earlier than 16 months prior to the Expected Principal Payment Date and (y) ending on the close of business on the last day of the Monthly Period preceding the earlier to occur of (i) the Expected Principal Payment Date for the Class
A(2005-10) Notes and (ii) the date on which the Class A(2005-10) Notes are paid in full. 
  
 “Base Rate” means, with respect to any Monthly Period, the sum of (i) the Weighted Average Interest Rates for the Outstanding MBNAseries Notes, (ii) the Net Servicing Fee Rate (as such term
is defined in the Series 2001-D Supplement) and (iii) so long as MBNA or The Bank of New York is the Servicer, the Servicer Interchange Rate, in each case, for such Monthly Period. 
  
 “Calculation Agent” is defined in Section 2.04(a). 
  
 “Class A(2005-10) Note” means any Note, substantially in the
form set forth in Exhibit A-1 to the Indenture Supplement, designated therein as a Class A(2005-10) Note and duly executed and authenticated in accordance with the Indenture. 
  
 “Class A(2005-10) Noteholder” means a Person in whose name a Class A(2005-10) Note is registered in the
Note Register. 
  
 “Class A(2005-10) Termination
Date” means the earliest to occur of (a) the Principal Payment Date on which the Outstanding Dollar Principal Amount of the Class A(2005-10) Notes is paid in full, (b) the Legal Maturity Date and (c) the date on which the
Indenture is discharged and satisfied pursuant to Article VI thereof. 
  
 “Class A Required Subordinated Amount of Class B Notes” is defined in Section 2.02(a). 
  
 “Class A Required Subordinated Amount of Class C Notes” is defined in Section 2.02(b). 
  
 “Controlled Accumulation Amount” means $33,333,333.34;
provided, however, if the Accumulation Period Length is determined to be less than twelve (12) months pursuant to 
  

 2 

 Section 3.10(b)(ii) of the Indenture Supplement, the Controlled Accumulation Amount shall be the amount
specified in the definition of “Controlled Accumulation Amount” in the Indenture Supplement. 
  
 “Excess Available Funds Percentage” means, with respect to any Transfer Date, the amount, if any, by which the Portfolio Yield for the
preceding Monthly Period exceeds the Base Rate for such Monthly Period. 
  
 “Expected Principal Payment Date” means June 17, 2013. 
  
 “Initial Dollar Principal Amount” means $400,000,000. 
  
 “Interest Payment Date” means the fifteenth day of each month commencing January 17, 2006, or if such fifteenth day is not a
Business Day, the next succeeding Business Day. 
  
 “Interest Period” means, with respect to any Interest Payment Date, the period from and including the previous Interest Payment Date (or in the case of the initial Interest Payment Date, from and including the Issuance
Date) through the day preceding such Interest Payment Date. 
  
 “Issuance Date” means November 29, 2005. 
  
 “Legal Maturity Date” means November 16, 2015. 
  
 “LIBOR” means, for any Interest Period, the London interbank offered rate for one-month United States dollar deposits determined by the Calculation Agent on the LIBOR Determination Date for each
Interest Period in accordance with the provisions of Section 2.04. 
  
 “LIBOR Determination Date” means (i) November 25, 2005 for the period from and including the Issuance Date to but excluding December 15, 2005, (ii) December 13, 2005 for the period from
and including December 15, 2005 to but excluding January 17, 2006 and (iii) for each Interest Period thereafter, the second London Business Day prior to the Interest Payment Date on which such Interest Period commences. 
  
 “London Business Day” means any Business Day on which
dealings in deposits in United States Dollars are transacted in the London interbank market. 
  
 “MBNAseries Servicer Interchange” means, with respect to any Monthly Period, an amount equal to the product of (a) the Servicer Interchange (as such term is defined in the Series 2001-D
Supplement) with respect to such Monthly Period and (b) a fraction the numerator of which is the Weighted Average Available Funds Allocation Amount for the MBNAseries for such Monthly Period and the denominator of which is the Weighted Average
Available Funds Allocation Amount for all series of Notes for such Monthly Period. 
  
 “Note Interest Rate” means a per annum rate equal to 0.06% in excess of LIBOR as determined by the Calculation Agent on the related LIBOR Determination Date with respect to each Interest Period.

  

 3 

 “Paying Agent” means The Bank of New York. 
  
 “Portfolio Yield” means, with respect to any Monthly Period,
the annualized percentage equivalent of a fraction, the numerator of which is (a) the amount of Available Funds allocated to the MBNAseries pursuant to Section 501 of the Indenture, plus (b) any Interest Funding
sub-Account Earnings on the related Transfer Date, plus (c) any amounts to be treated as MBNAseries Available Funds pursuant to Sections 3.20(d) and 3.27(a) of the Indenture Supplement, plus (d) the MBNAseries
Servicer Interchange for such Monthly Period, minus (e) the excess, if any, of the sum of the PFA Prefunding Earnings Shortfall plus the PFA Accumulation Earnings Shortfall over the sum of the aggregate amount to be treated as
MBNAseries Available Funds for such Monthly Period pursuant to Sections 3.04(a)(ii) and 3.25(a) of the Indenture Supplement plus any other amounts applied to cover earnings shortfalls on amounts in the Principal Funding
sub-Account for any tranche of MBNAseries Notes for such Monthly Period, minus (f) the MBNAseries Investor Default Amount for such Monthly Period, and the denominator of which is the Weighted Average Available Funds Allocation Amount for
the MBNAseries for such Monthly Period. 
  
 “Predecessor
Note” means, with respect to any particular Note, every previous Note evidencing all or a portion of the same debt as that evidenced by such particular Note; and, for the purpose of this definition, any Note authenticated and delivered
under Section 306 of the Indenture in lieu of a mutilated, lost, destroyed or stolen Note shall be deemed to evidence the same debt as the mutilated, lost, destroyed or stolen Note. 
  
 “Quarterly Excess Available Funds Percentage” means, with
respect to the May 2011 Transfer Date and each Transfer Date thereafter, the percentage equivalent of a fraction the numerator of which is the sum of the Excess Available Funds Percentages with respect to the immediately preceding three Monthly
Periods and the denominator of which is three. 
  
 “Record
Date” means, for any Transfer Date, the last Business Day of the preceding Monthly Period. 
  
 “Reference Banks” means four major banks in the London interbank market selected by the Beneficiary. 
  
 “Required Accumulation Reserve sub-Account Amount” means,
with respect to any Monthly Period during the Accumulation Reserve Funding Period, an amount equal to (i) 0.5% of the Outstanding Dollar Principal Amount of the Class A(2005-10) Notes as of the close of business on the last day of the preceding
Monthly Period or (ii) any other amount designated by the Issuer; provided, however, that if such designation is of a lesser amount, the Note Rating Agencies shall have provided prior written confirmation that a Ratings Effect
will not occur with respect to such change. 
  
 “Servicer
Interchange Rate” means, for any Monthly Period, the percentage equivalent of a fraction, the numerator of which is the MBNAseries Servicer Interchange for such Monthly Period, and the denominator of which is the Weighted Average Available
Funds Allocation Amount for the MBNAseries for such Monthly Period. 
  
 “Stated Principal Amount” means $400,000,000. 
  

 4 

 “Telerate Page 3750” means the display page currently so designated on the Moneyline
Telerate Service (or such other page as may replace that page on that service for the purpose of displaying comparable rates or prices). 
  
 “Weighted Average Interest Rates” means, with respect to any Outstanding Notes of a class or tranche of the MBNAseries, or of all of the
Outstanding Notes of the MBNAseries, on any date, the weighted average (weighted based on the Outstanding Dollar Principal Amount of the related Notes on such date) of the following rates of interest: 
  
 (a) in the case of a tranche of Dollar Interest-bearing Notes with no
Derivative Agreement for interest, the rate of interest applicable to that tranche on that date; 
  
 (b) in the case of a tranche of Discount Notes, the rate of accretion (converted to an accrual rate) of that tranche on that date; 
  
 (c) in the case of a tranche of Notes with a payment due under a Performing
Derivative Agreement for interest, the rate at which payments by the Issuer to the applicable Derivative Counterparty accrue on that date (prior to the netting of such payments, if applicable); and 
  
 (d) in the case of a tranche of Notes with a non-Performing Derivative
Agreement for interest, the rate specified for that date in the related terms document. 
  
 Section 1.02. Governing Law; Submission to Jurisdiction; Agent for Service of Process. This Terms Document shall be governed by and construed in accordance with the laws of the State of Delaware, without
regard to principles of conflict of laws. The parties hereto declare that it is their intention that this Terms Document shall be regarded as made under the laws of the State of Delaware and that the laws of said State shall be applied in
interpreting its provisions in all cases where legal interpretation shall be required. Each of the parties hereto agrees (a) that this Terms Document involves at least $100,000.00, and (b) that this Terms Document has been entered into by
the parties hereto in express reliance upon 6 DEL. C. § 2708. Each of the parties hereto hereby irrevocably and unconditionally agrees (a) to be subject to the jurisdiction of the courts of the State of Delaware and of the federal courts
sitting in the State of Delaware, and (b)(1) to the extent such party is not otherwise subject to service of process in the State of Delaware, to appoint and maintain an agent in the State of Delaware as such party’s agent for acceptance of
legal process, and (2) that, to the fullest extent permitted by applicable law, service of process may also be made on such party by prepaid certified mail with a proof of mailing receipt validated by the United States Postal Service
constituting evidence of valid service, and that service made pursuant to (b)(1) or (2) above shall, to the fullest extent permitted by applicable law, have the same legal force and effect as if served upon such party personally within the
State of Delaware. 
  
 Section 1.03. Counterparts.
This Terms Document may be executed in any number of counterparts, each of which so executed will be deemed to be an original, but all such counterparts will together constitute but one and the same instrument. 
  
 Section 1.04. Ratification of Indenture and Indenture Supplement.
As supplemented by this Terms Document, each of the Indenture and the Indenture Supplement is in 
  

 5 

 all respects ratified and confirmed and the Indenture as so supplemented by the Indenture Supplement as so supplemented
and this Terms Document shall be read, taken and construed as one and the same instrument. 
  
 [END OF ARTICLE I] 
  

 6 

 ARTICLE II 
  
 The Class A(2005-10) Notes 
  
 Section 2.01. Creation and Designation. There is hereby created a tranche of MBNAseries Class A Notes to be issued pursuant to the
Indenture and the MBNAseries Indenture Supplement to be known as the “MBNAseries Class A(2005-10) Notes.” 
  
 Section 2.02. Specification of Required Subordinated Amount and other Terms. 
  
 (a) For the Class A(2005-10) Notes for any date of determination, the Class A Required Subordinated Amount of Class B
Notes will be an amount equal to 8.82353% of (i) the Adjusted Outstanding Dollar Principal Amount of the Class A(2005-10) Notes on such date or (ii) if an Early Redemption Event with respect to the Class A(2005-10) Notes shall have
occurred, if an Event of Default and acceleration of the Class A(2005-10) Notes shall have occurred or if the Class A Usage of the Class B Required Subordinated Amount for such tranche of Class A Notes is greater than zero, the Adjusted
Outstanding Dollar Principal Amount of the Class A(2005-10) Notes as of close of business on the day immediately preceding the occurrence of such Early Redemption Event, such Event of Default and acceleration or the date on which the Class A
Usage of Class B Required Subordinated Amount exceeded zero. 
  
 (b) For the Class A(2005-10) Notes for any date of determination, the Class A Required Subordinated Amount of Class C Notes will be an amount equal to 8.82353% of (i) the Adjusted Outstanding Dollar Principal Amount of the Class
A(2005-10) Notes on such date or (ii) if an Early Redemption Event with respect to the Class A(2005-10) Notes shall have occurred, if an Event of Default and acceleration of the Class A(2005-10) Notes shall have occurred or if the Class A
Usage of the Class C Required Subordinated Amount for such tranche of Class A Notes is greater than zero, the Adjusted Outstanding Dollar Principal Amount of the Class A(2005-10) Notes as of close of business on the day immediately preceding
the occurrence of such Early Redemption Event, such Event of Default and acceleration or the date on which the Class A Usage of Class C Required Subordinated Amount exceeded zero. 
  
 (c) The Issuer may change the percentages set forth in clause (a) or (b) above without the consent of any
Noteholder so long as the Issuer has (i) received written confirmation from each Note Rating Agency that has rated any Outstanding Notes of the MBNAseries that the change in either of such percentages will not result in a Ratings Effect with
respect to any Outstanding Class A(2005-10) Notes and (ii) delivered to the Indenture Trustee and the Note Rating Agencies a Master Trust Tax Opinion and an Issuer Tax Opinion. 
  
 Section 2.03. Interest Payment. 
  
 (a) For each Interest Payment Date, the amount of interest due with respect to the Class A(2005-10) Notes shall be an amount
equal to the product of (i)(A) a fraction, the numerator of which is the actual number of days in the related Interest Period and the denominator of which is 360, times (B) the Note Interest Rate in effect with respect to the
related Interest Period, times (ii) the Outstanding Dollar Principal Amount of the Class A(2005-10) Notes determined as of the Record Date preceding the related Transfer Date. Interest on the Class A(2005-10) Notes will 
  

 7 

 be calculated on the basis of the actual number of days in the related Interest Period and a 360-day year. 
  
 (b) Pursuant to Section 3.03 of the Indenture Supplement, on each
Transfer Date, the Indenture Trustee shall deposit into the Class A(2005-10) Interest Funding sub-Account the portion of MBNAseries Available Funds allocable to the Class A(2005-10) Notes. 
  
 Section 2.04. Calculation Agent; Determination of LIBOR.

  
 (a) The Issuer hereby agrees that for so long as any Class
A(2005-10) Notes are Outstanding, there shall at all times be an agent appointed to calculate LIBOR for each Interest Period (the “Calculation Agent”). The Issuer hereby initially appoints the Indenture Trustee as the Calculation
Agent for purposes of determining LIBOR for each Interest Period. The Calculation Agent may be removed by the Issuer at any time. If the Calculation Agent is unable or unwilling to act as such or is removed by the Issuer, or if the Calculation Agent
fails to determine LIBOR for an Interest Period, the Issuer shall promptly appoint a replacement Calculation Agent that does not control or is not controlled by or under common control with the Issuer or its Affiliates. The Calculation Agent may not
resign its duties, and the Issuer may not remove the Calculation Agent, without a successor having been duly appointed. 
  
 (b) On each LIBOR Determination Date, the Calculation Agent shall determine LIBOR on the basis of the rate for deposits in United States dollars for a
one-month period which appears on Telerate Page 3750 as of 11:00 a.m., London time, on such date. If such rate does not appear on Telerate Page 3750, the rate for that LIBOR Determination Date shall be determined on the basis of the rates at which
deposits in United States dollars are offered by the Reference Banks at approximately 11:00 a.m., London time, on that day to prime banks in the London interbank market for a one-month period. The Calculation Agent shall request the principal London
office of each of the Reference Banks to provide a quotation of its rate. If at least two such quotations are provided, the rate for that LIBOR Determination Date shall be the arithmetic mean of the quotations. If fewer than two quotations are
provided as requested, the rate for that LIBOR Determination Date will be the arithmetic mean of the rates quoted by four major banks in New York City, selected by the Beneficiary, at approximately 11:00 a.m., New York City time, on that day for
loans in United States dollars to leading European banks for a one-month period. 
  
 (c) The Note Interest Rate applicable to the then current and the immediately preceding Interest Periods may be obtained by telephoning the Indenture Trustee at its corporate trust office at (212) 815-3247 or
such other telephone number as shall be designated by the Indenture Trustee for such purpose by prior written notice by the Indenture Trustee to each Noteholder from time to time. 
  
 (d) On each LIBOR Determination Date, the Calculation Agent shall send to the Indenture Trustee and the Beneficiary, by
facsimile transmission, notification of LIBOR for the following Interest Period. 
  
 Section 2.05. Payments of Interest and Principal. 
  
 (a) Any installment of interest or principal, if any, payable on any Class A(2005-10) Note which is punctually paid or duly provided for by the Issuer and the Indenture Trustee on 
  

 8 

 the applicable Interest Payment Date or Principal Payment Date shall be paid by the Paying Agent to the Person in whose
name such Class A(2005-10) Note (or one or more Predecessor Notes) is registered on the Record Date, by wire transfer of immediately available funds to such Person’s account as has been designated by written instructions received by the Paying
Agent from such Person not later than the close of business on the third Business Day preceding the date of payment or, if no such account has been so designated, by check mailed first-class, postage prepaid to such Person’s address as it
appears on the Note Register on such Record Date, except that with respect to Notes registered on the Record Date in the name of the nominee of Cede & Co., payment shall be made by wire transfer in immediately available funds to the account
designated by such nominee. 
  
 (b) The right of the Class
A(2005-10) Noteholders to receive payments from the Issuer will terminate on the first Business Day following the Class A(2005-10) Termination Date. 
  
 Section 2.06. Form of Delivery of Class A(2005-10) Notes; Depository; Denominations. 
  
 (a) The Class A(2005-10) Notes shall be delivered in the form of a global
Registered Note as provided in Sections 202 and 301(i) of the Indenture, respectively. 
  
 (b) The Depository for the Class A(2005-10) Notes shall be The Depository Trust Company, and the Class A(2005-10) Notes shall initially be registered in
the name of Cede & Co., its nominee. 
  
 (c) The Class
A(2005-10) Notes will be issued in minimum denominations of $5,000 and multiples of $1,000 in excess of that amount. 
  
 Section 2.07. Delivery and Payment for the Class A(2005-10) Notes. The Issuer shall execute and deliver the Class A(2005-10) Notes to the
Indenture Trustee for authentication, and the Indenture Trustee shall deliver the Class A(2005-10) Notes when authenticated, each in accordance with Section 303 of the Indenture. 
  
 Section 2.08. Targeted Deposits to the Accumulation Reserve
Account. 
  
 The deposit targeted to be made to the
Accumulation Reserve Account for any Monthly Period during the Accumulation Reserve Funding Period will be an amount equal to the Required Accumulation Reserve sub-Account Amount. 
  
 [END OF ARTICLE II] 
  

 9 

 ARTICLE III 
  
 Representations and Warranties 
  
 Section 3.01. Issuer’s Representations and Warranties. The Issuer makes the following representations and warranties as to the Collateral
Certificate on which the Indenture Trustee is deemed to have relied in acquiring the Collateral Certificate. Such representations and warranties speak as of the execution and delivery of this Terms Document, but shall survive until the termination
of this Terms Document. Such representations and warranties shall not be waived by any of the parties to this Terms Document unless the Issuer has obtained written confirmation from each Note Rating Agency that there will be no Ratings Effect with
respect to such waiver. 
  
 (a) The Indenture creates a valid and
continuing security interest (as defined in the Delaware UCC) in the Collateral Certificate in favor of the Indenture Trustee, which security interest is prior to all other liens, and is enforceable as such as against creditors of and purchasers
from the Issuer. 
  
 (b) The Collateral Certificate constitutes
either an “account,” a “general intangible,” an “instrument,” or a “certificated security,” each within the meaning of the Delaware UCC. 
  
 (c) At the time of the transfer and assignment of the Collateral Certificate to the Indenture Trustee pursuant to the
Indenture, the Issuer owned and had good and marketable title to the Collateral Certificate free and clear of any lien, claim or encumbrance of any Person. 
  
 (d) The Issuer has caused, within ten days of the execution of the Indenture, the filing of all appropriate financing statements in the proper filing
office in the appropriate jurisdictions under applicable law in order to perfect the security interest in the Collateral Certificate granted to the Indenture Trustee pursuant to the Indenture. 
  
 (e) Other than the security interest granted to the Indenture Trustee
pursuant to the Indenture, the Issuer has not pledged, assigned, sold, granted a security interest in, or otherwise conveyed the Collateral Certificate. The Issuer has not authorized the filing of and is not aware of any financing statements against
the Issuer that include a description of collateral covering the Collateral Certificate other than any financing statement relating to the security interest granted to the Indenture Trustee pursuant to the Indenture or any financing statement that
has been terminated. The Issuer is not aware of any judgment or tax lien filings against the Issuer. 
  
 (f) All original executed copies of the Collateral Certificate have been delivered to the Indenture Trustee. 
  
 (g) At the time of the transfer and assignment of the Collateral Certificate
to the Indenture Trustee pursuant to the Indenture, the Collateral Certificate had no marks or notations indicating that it has been pledged, assigned or otherwise conveyed to any Person other than the Indenture Trustee. 
  
 [END OF ARTICLE III] 
  

 10 

 IN WITNESS WHEREOF, the parties hereto have caused this Terms Document to be duly executed, all as of the
day and year first above written. 
  

			
	 MBNA CREDIT CARD MASTER NOTE TRUST,

	 by MBNA AMERICA BANK,

	 NATIONAL ASSOCIATION, as Beneficiary
 and not in its individual capacity

		
	 By:
	 	 /s/ Kevin F. Sweeney

	 	 	 Kevin F. Sweeney

	 	 	 First Vice President

	
	 THE BANK OF NEW YORK, as Indenture Trustee
 and not in its individual capacity

		
	 By:
	 	 /s/ Catherine Cerilles

	 Name:
	 	 Catherine Cerilles

	 Title:
	 	 Assistant Vice President

  
 [Signature Page
to the Class A(2005-10) Terms Document]Purchase Agreement between Sycamore Networks and Siemens AG dated June 13, 2002

 Exhibit 10.1 
  
  
 Purchase Agreement 
  
 between 
  
 Sycamore Networks Inc., Chelmsford, MA, USA 
  
 and 
  
 Siemens AG Munich, Germany 
  

 1 

 Agreement made by and between Sycamore Networks, Inc., a Delaware corporation with principal offices at 150 Apollo Drive,
Chelmsford, MA ( hereinafter referred to as “Sycamore”) and SIEMENS AKTIENGESELLSCHAFT, a corporation existing under and by virtue of the laws of the Federal Republic of Germany having its division head office in Hofmannstraße 51,
81359 Munich, (hereinafter referred to as Siemens). In consideration of the promises and mutual covenants herein contained, the parties agree as follows: 
  

	1.	DEFINITION 

  

	1.1	“Subsidiary” shall mean a company where Siemens owns more than 50% (fifty percent) of such company’s voting stock, and/or companies that are listed as subsidiaries
Siemens’ published annual report. 

  

	1.2	“Software” means any computer software program in machine readable format made available by Sycamore to Siemens as part of the Contractual Products.

  

	1.3	“System Software” means the software, in whatever form supplied, which is licensed in conjunction with and as a part of the Contractual Products excluding ***.

  

	1.4	“Network Management Software” means a stand alone software program that manages optical networks including ***. 

  

	1.5	“Contractual Products” means the hardware and software products (including components or portions thereof) listed in Exhibit A, as modified by the parties
pursuant to the Adaptation Work Agreement between the Parties (the “Adaptation Agreement”), dated June 13, 2002. 

  

	1.6	“Source Code” means the code of the Software in *** or other well-known commonly used programming language (in Sycamore’s sole discretion), and shall include
pertaining flow charts, programmer’s notes and information regarding programmer’s tools, as well as test Software and test documentation, respectively, in accordance with Sycamore’s standard practices. 

 

	1.7	“User Documentation” means the documentation customarily provided by Sycamore with the Contractual Products to allow the End-User to configure and use the Contractual
Products. Said User Documentation shall be provided, if available, in electronic media (e.g. CD-ROM). 

  

	1.8	“End-User” means a third party who purchases Contractual Products from Siemens or the end-user customer who purchases Contractual Products from a Siemens Subsidiary or a
mutually agreed upon Siemens reseller. 

  
 * Certain
information on this page has been omitted and filed separately with the Securities and Exchange Commission. Confidential Treatment has been requested with respect to the omitted portions. Asterisks denote omission. 
  

 2 

	1.9	“Specification” means all of the technical data related to the design, function, performance and reliability of the Contractual Products, including the Final Specification
as signed by Sycamore and Siemens under the Adaptation Agreement, as per Exhibit C. 

  

	1.10	“FRU” means Field Replaceable Unit such as line cards, processor cards, power supplies and accessories, as listed in Exhibit A. 

  

	1.11	“ARO” means “after receipt of order” by Sycamore’s Order Administration department. 

  

	1.12	“ECO” means Engineering Change Order, which encompasses any change to a Contractual Product or FRU. 

  

	2.	PURPOSE OF THIS AGREEMENT 

  

	    	Siemens desires to purchase the Contractual Products in order to integrate them into its *** and to market and sell them to End-Users as part of Siemens ́ product range.

  

	    	This Agreement shall govern the purchase and sale of Sycamore’s Contractual Products as defined in Article 1.5 as well as the applicable User Documentation as set forth
in Exhibit B, and as described in the Specifications to Siemens. All Software is licensed under the rights as set forth in Article 5. 

  

	    	Siemens’ optical network division “ICN ON” will be the single point of co-ordination of sales activities, ordering and billing under this Agreement and exceptions
shall only be by mutual agreement in writing. 

  

	    	Siemens shall not distribute or sell Contractual *** means any business entity that designs, manufactures and/or sells networking communications equipment including, but not limited
to, optical networking equipment, network switching equipment, network routing equipment, transport equipment and/or any other communications equipment that a network service provider would use to carry communications traffic over its network.

  

 3 

	3.	DOCUMENTATION 

  

	3.1	Sycamore shall upon execution of this Agreement, provide to Siemens, in English, *** set in both hard copy and electronic form for each Contractual Product covered under this
Agreement, free of charge. 

  

	3.2	User Documentation shall comply with the latest technical standards of the Contractual Product in question and for changed Contractual Products which are shipped, shall be updated
in accordance with Sycamore’s customary practices when there is a material Contractual Product change as defined in Article 14. The Parties’ respective Program Managers (as defined in Article 28.1) shall communicate regularly to exchange
information regarding any changes to Contractual Products. Sycamore shall, during the purchase term hereunder, promptly provide to Siemens free of charge, one set of User Documentation updates, in both electronic and hard copy form, where available,
regarding Contractual Products purchased hereunder. Sycamore shall make available for a reasonable fee after the expiration of this Agreement, a single copy for reproduction of applicable updated User Documentation for distribution by Siemens, its
Subsidiaries, or mutually agreed resellers to its End-Users in connection with Siemens’ continuing support obligations to its End-Users for Sycamore Contractual Products. Notwithstanding expiration or other termination of this Agreement,
Sycamore’s obligation to update User Documentation under warranty shall remain in effect for Contractual Products covered by warranty even after expiration of this Agreement. 

  

	3.3	Sycamore grants to Siemens and its Subsidiaries, and mutually agreed resellers, a *** license to use, copy, modify, translate, display, publish, republish, sell and distribute any
User Documentation, only in conjunction with the distribution and support of the Contractual Products. Where Siemens is entitled to allow sublicensing it may sublicense the rights set forth in this paragraph subject to the limitations herein, to its
Subsidiaries, its resellers as mutually agreed upon by the Parties, and sublicensees. 

  

	3.4	Training Materials. Sycamore shall provide to Siemens at no charge a set of reproducible training materials, including such materials as usually utilized by Sycamore when
instructing its own customers (e.g. video clips). Such training materials shall be in English and if available also in German. *** Siemens and its Subsidiary Companies, and mutually agreed resellers, may utilize any copy of Sycamore’s training
materials for performing its own training courses for their own customers at no charge so long as such training is provided at no charge. To the extent that *** Siemens shall pay to Sycamore a commercially reasonable royalty for such use.

  

	    	 Other service manuals, including but not limited to, marketing newsletters, may be purchased by Siemens at Sycamore’s then current Siemens discounted prices
for such manuals. 

  

 4 

	 	 
Sycamore shall provide at no charge to Siemens one copy of Sycamore’s Configuration Guide in PDF format. Siemens will have reproduction rights, provided
that notice is contained of Sycamore’s ownership or copyright of the information. 

  

	3.5	Copyrighted Material. Siemens may reproduce portions of the operator’s manual, service manual and other manuals for use with Contractual Product(s) purchased under this
Agreement, provided that Sycamore’s copyright notice is properly retained on all copies of such reproductions. Siemens must not remove Sycamore’s internal identifying labels containing Sycamore’s model and serial number.
Notwithstanding, Siemens shall be entitled to add its own copyright notices, if applicable, and trademarks. As to any Siemens-copyrighted material incorporated in such manuals, Sycamore shall have a non-exclusive license to use such copyrighted
material only on equipment to be delivered to Siemens or End-Users and subject to retention of Siemens’ copyright notice upon terms and conditions and costs to be agreed between Sycamore and Siemens. 

  

	4.	QUANTITY AND PRICE 

  

	    	Prices shall be set forth in Sycamore’s international price list, a copy of which is attached as part of Exhibit D, and Discounts shall be as set forth in Exhibit D. The
prices and discounts shall remain fixed for the *** of this Agreement (the “***”). After ***, Sycamore shall retain the ability to modify the international price list. Sycamore shall provide Siemens with *** prior written notice (the
“Notification Period”)of any modification to such international price list. Sycamore *** Siemens regarding price and discount modifications and provide Siemens with the opportunity ***. The modified international price list and discounts
shall apply to any purchase order issued by Siemens on or after the effective date of such modified price or discount. 

  

	5.	GRANT OF RIGHTS 

  

	5.1.1	Subject to the terms and conditions of this Agreement, Siemens shall have the *** right to market or have marketed, as it may choose, through its Subsidiaries and resellers, as
agreed by the Parties on a case-by-case basis, the Contractual Products under Sycamore’s trade names or trade marks, pursuant to the terms of this Agreement (the “Distribution Right”). The term “market” shall comprise sale,
lease and other forms of transfer. Siemens’ use of Sycamore’s trade names and trademarks in marketing of the Contractual Products shall conform to Sycamore’s reasonable usage requirements which Sycamore shall communicate in writing to
Siemens and which may be changed with reasonable advance notice to Siemens from time to time. 

  

	5.1.2	 Sycamore owns or has the right to sublicense as contemplated hereby certain object code software, either referenced herein, or provided to Siemens pursuant to a
purchase order 

  

 5 

	 	 
accepted hereunder, or included as an integral part of Contractual Products listed on Exhibit A, attached hereto, (herein collectively and
individually referred to as the “Software”). Upon the agreement of the parties, additional Software may be added to Exhibit A. 

  

	    	Siemens shall have the *** right to (i) use the Software in connection with the installation, commissioning, integration into ***, testing, operation and maintenance of the
Contractual Products; (ii) sublicense the rights to use such Software to its Subsidiaries, mutually agreed resellers and End-Users pursuant to license terms and conditions substantially similar to the terms and conditions contained in the
sample license agreement, Exhibit H, which the parties agree to negotiate in good faith during the *** following execution of this Agreement, and which may be included in the Contractual Product’s Documentation); and (iii) allow
Siemens ́ Subsidiaries the rights to sublicense the rights as per (i) above to their End-Users of Contractual Products, all rights in conjunction with the Contractual Products pursuant to license terms substantially similar to the terms
and conditions contained in Exhibit H and the Distribution Right set forth in 5.1.1, above. *** as set forth in the Sycamore price list. In case patches and bug fixes are enclosed in new releases and cannot be separated from such release, then
Sycamore shall grant Siemens and End-Users the complete release ***. 

  

	5.1.3	Siemens will have the right to use the Software with Contractual Products that Siemens retains for its own internal use under the license terms referenced above, regardless of any
termination of this Agreement, unless such termination is due to Siemens’ material breach of its principal obligations under this Agreement and is according to Art. 29.2(a). For the avoidance of any doubt, should Siemens’ right to use the
Software with Contractual Products terminate due to Siemens’ material breach of its principal obligations under this Agreement, such termination shall not apply to Software with Contractual Products which have already been distributed by
Siemens to End-Users before such termination. 

  

	5.1.4	Should Siemens request the conclusion of an escrow agreement regarding Source Code, Sycamore shall comply with this request within *** after the receipt of the request, subject to
mutual agreement ***, which both Parties shall negotiate in good faith, ***. 

  

	5.1.5	License Payment: As payment constitutes consideration for the license rights hereunder, Siemens failure to pay the purchase price for the Contractual Products after the due date in
spite of a written notice by Sycamore giving Siemens ***, such failure to pay constitutes a violation of the terms of this Agreement and will give rise to the loss of the license granted hereunder. The *** as provided in this Article 5.1.5 shall
constitute Siemens’ sole *** such purchase price and *** cure period pursuant to Article 29.2(c) for material breach by Siemens shall not apply to delay by Siemens to pay such purchase price. 

  

 6 

	6.	PROTECTION AND SECURITY 

  

	    	With reference to any copyright notice or other proprietary legend associated with the Software, Siemens agrees to include the same on all copies it makes, in whole or in part, and
to include the same on any updated work. The copyright notice may appear in any of several forms, including machine-readable form within the Software. Siemens agrees not to provide or otherwise make available, in any form, the Software, or any
portion thereof, to any person other than employees of Siemens, its Subsidiaries, or mutually agreed resellers or to End-Users pursuant to licenses as provided herein without the prior written consent of Sycamore. Siemens shall hold the Software,
including methods or concepts utilized therein, in confidence as contemplated by Article 25. 

  

	7.	RELEASES, REVISIONS AND ENHANCEMENTS 

  

	    	In the event software releases, revisions, enhancements or additional software are delivered to Siemens with respect to any Software licensed hereunder and are not the subject of a
separate Sycamore software license agreement, then such items shall be deemed to be Software licensed pursuant to this Agreement. 

  

	8.	PURCHASE ORDERS AND FORECAST 

  

	8.1	Rescheduling. Siemens purchase orders may be cancelled or rescheduled as provided below: 

  

	8.1.1	Reschedule: Siemens may, at any time, revise a purchase order accepted by Sycamore to increase the quantity of Contractual Products ordered; provided, however, that Sycamore shall
provide Siemens with a revised delivery date for the increased quantity of Contractual Products ordered pursuant to such revised purchase order. Siemens may decrease without charge and without increase in unit price one time with regard to each
scheduled delivery, within the parameters below: 

  

			
	 Days Notice Prior
 To Delivery Date
	 	 Percent By Which Quantity
 May Be
Decreased

	***	 	***

  

	    	Product decreases beyond the time periods set forth above shall be treated as a cancellation subject to the provisions of Article 8.1.2 below. 

  

 7 

	    	*** beyond the original scheduled delivery date. Siemens shall not cancel any purchase order with respect to which Siemens has rescheduled the delivery date.

  

	8.1.2	Cancellation charges are as set forth below: Orders which are scheduled for delivery are subject to the following cancellation charges, as liquidated damages and not as a penalty.

  

			
	 Days Notice Prior
 To Scheduled Delivery
Date
	 	 Charge as a Percentage of the Price
 of the Affected
Contractual Products

	***	 	***

  

	8.1.3	Siemens will provide Sycamore a ***, non-binding rolling forecast of sales and will update the forecast no less often than ***. As changes in circumstances which would change
previously provided forecasts occur, Siemens will advise Sycamore’s Program Manager within *** of any such change. 

  

	    	Sycamore will not be obligated to accept orders in excess of the forecast quantities under the above ***. In the event that Siemens’ ordering performance is materially less
than its forecasts in prior periods, Sycamore shall have the right to reasonably adjust ***. Sycamore will provide Siemens *** notice of any such adjustment. If Siemens, however, readjusts its forecast upward due to credible circumstances, the
Parties will negotiate in good faith any appropriate revisions to quantities which are subject to standard forecast lead-times. 

  

	    	Notwithstanding the above, Siemens shall be entitled in case of emergency to place additional orders, subject to Sycamore’s acceptance, *** specified in Article 28.2.

  

	    	Sycamore will use its commercially reasonable best efforts to provide Siemens with advance notice of circumstances which may result in Contractual Product allocation. In the event
that Contractual Product must be allocated due to factors constraining Sycamore’s production capacity, Sycamore shall only allocate on a fair and reasonable non-discriminatory basis amongst Siemens. An allocation circumstance will not, in and
of itself, relieve Sycamore of any obligations or liability for late delivery. 

  

	8.2	The extent of supplies and services to be actually performed by Sycamore under this Agreement and the extent of Siemens ́ obligation to purchase such supplies and services
shall depend on purchase orders placed by Siemens in writing and accepted by Sycamore. 

  

	    	Siemens ́ purchase orders shall include the following: 

	    	- date of issuance, 

	    	- purchase order number 

	    	- dentification and quantity of Contractual Products 

	    	- unit price 

  

 8 

	    	- requested date(s) of delivery or performance, if applicable 

	    	- reference to this Agreement 

	    	- address for confirmation and invoices 

	    	- if services are ordered, the service product code 

  

	    	Neither preprinted terms and conditions on the reverse or obverse of the form, nor typed or handwritten terms and conditions on the purchase order or order acceptance shall apply to
the transaction if such terms are additional to or are in conflict with the terms of this Agreement. 

  

	    	Provided that a purchase order is in conformance with the terms and conditions of this Agreement, Sycamore shall confirm such Purchase Order by fax latest *** after receipt.

  

	    	If a Purchase Order is neither confirmed nor rejected by Sycamore *** after receipt, it shall be deemed confirmed. 

  

	9.	DELIVERY, TITLE AND RISK OF LOSS 

  

	9.1	Sycamore’s lead time for forecasted quantities of Contractual Products that have been accepted pursuant to the Adaptation Agreement ***. Notwithstanding the above, Sycamore
will make reasonable commercial efforts to achieve *** for forecast Contractual Products. Sycamore will make reasonable commercial efforts to achieve *** lead time for non-forecasted Contractual Products. Notwithstanding the above the Parties may
agree in writing to shorter lead times for specific projects. 

  

	9.2	For purposes of this Agreement “delivery date” ***. All shipments shall be ***. Sycamore shall advise Siemens of the location from which Contractual Products will
be shipped *** prior to the scheduled shipment date, if the facility from which such Contractual Products will be shipped is other than the ***. The carrier shall be specified by SIEMENS at least *** before the scheduled delivery date; however, if
no carrier is specified, then Sycamore may select an appropriate carrier. 

  

	9.3	For orders for Contractual Products placed in accordance with the ARO terms of this Agreement, or Sycamore’s ARO standards if for unforecast quantities, the terms of which
order are not altered in any material way, including reconfiguration, change in shipment mode, quantity, method of shipment, and so long as Siemens is not in breach of any of the terms of this Agreement ***. 

  

	    	On and subject to the terms and conditions set forth below, *** 

  

	9.4	Notwithstanding the above, Sycamore shall have no liability to *** to Siemens hereunder if: 

  

 9 

	 	(a)	in the event of any ***, Siemens fails to mitigate its damages by accepting partial delivery of Contractual Products ordered pursuant to any purchase order(s) affected *** if a
majority of fully equipped Contractual Products are available; or 

  

	 	(b)	the parties mutually agree to a *** in connection with any Siemens purchase order that is not consistent with the applicable forecast provided by Siemens pursuant to Article 8.1.3.
Notwithstanding the above, this Article 9.4(b) shall not apply to a confirmed delivery date. 

  

	10.	*** 

  

	10.1	*** 

  

	10.2	*** 

  

	11.	TAXES 

  

	11.1	Sycamore’s prices do not include any municipal, county, state or federal sales, use, excise, value-added or similar taxes. Siemens shall pay all taxes, duties, fees etc.
imposed under the authority of any taxing authority (a) based on or measured by the charges set forth in this Agreement and any Siemens purchase order, (b) upon sales of the Contractual Products or services to Siemens or Siemens’ use
thereof and (c) upon importation of the Contractual Products into the applicable territory including, without limitation, in the case of importation, any duties and customs charges (collectively “Taxes”); provided, however, that
Siemens shall not be responsible for Taxes based on or measured by Sycamore’s income, which Taxes shall be borne by Sycamore. Withholding Taxes imposed by the Federal Republic of Germany shall be handled as provided in Article 11.3.2 below.

  

	11.2.	*** 

  

	11.3.	The terms of this sub-Article 11.3. shall apply only with regard to any taxation imposed upon Siemens payments to Sycamore which are taxes on royalty payments.

  

	11.3.1.	*** 

  

	11.3.2	*** 

  

	11.3.3.	*** 

  

	11.3.4.	*** 

  

	12.	PAYMENTS AND FINANCIAL CONDITION 

  

 10 

	    	Sycamore will render invoices in USD to Siemens upon shipment of Contractual Products. If not otherwise agreed by the Parties in writing, *** 

  

	    	In the event that Siemens fails to make payments when due, Sycamore shall be entitled to impose a late payment charge at the rate of the lesser of one and one-half (1  1/2 %) per month for each month during which any such payment remains unpaid. In such event, Sycamore may withhold
further shipments or services, without liability for such withheld shipments or services, until such time as the past due payment is made. *** 

  

	13.	FORCE MAJEURE 

  

	    	Neither Party to this Agreement shall be held responsible for the performance of any obligations under this Agreement, provided such performance is hindered or prevented by any
circumstances of Force Majeure which are deemed to include war, riot, strike, lock-out, flood, or other natural catastrophes or national or local Government regulations, or any other cause beyond such Party’s reasonable control, and
provided the Party frustrated notifies the other Party without delay in writing at the beginning and end of any such circumstances. The Party frustrated shall use every endeavor to minimize the hindrance or prevention of such fulfillment. Upon the
ending of such circumstance, the frustrated Party shall without delay resume the fulfillment of its obligations including any obligations, the performance of which was interrupted thereby. 

  

	14.	CHANGES TO CONTRACTUAL PRODUCTS 

  

	14.1	Sycamore may make changes to Contractual Products as provided herein. 

  

	14.2	Sycamore may at any time make changes in Contractual Product or modify the drawings and specifications relating thereto or substitute Contractual Product of later design to fill an
order, provided the changes, modifications or substitutions under normal and proper use do not impact upon (a) reliability, (b) the Contractual Product Specifications, or (c) form, fit or function (as defined below). For such changes,
Sycamore shall notify Siemens not later than *** after such changes have been implemented. In the event any such change to the Contractual Products is unacceptable to Siemens because such change will materially impair Siemens’ ability to market
the Contractual Products, the Parties shall work together in good faith to determine whether and to what extent it may be practicable for Sycamore to continue to provide unmodified Contractual Products to Siemens for the remainder of the term of
this Agreement. 

  

	    	*** 

  

	    	*** 

  

 11 

	    	For the purposes of this Agreement, material changes are defined as changes to form, fit, function, and changes due to statutory safety requirements. In the event that any material
change to Contractual Product is ***. In such event, Sycamore shall use reasonable commercial efforts to continue *** 

  

	14.3	Siemens shall be entitled to request changes to the Contractual Products and Sycamore will use all reasonable efforts to comply with such requests. The Parties shall discuss in good
faith and agree in writing upon the terms, conditions and charges for requested changes. 

  

	14.4	Changes to Contractual Products which are necessary due to End-User requirements shall be negotiated and implemented by Sycamore subject to terms and conditions to be mutually
agreed upon. 

  

	15.	WARRANTY 

  

	    	Sycamore shall warrant Contractual Products to Siemens as follows: 

  

	15.1	Contractual Product Warranty: 

  

	 	(a)	*** 

  

	 	·	(b) *** 

  

	 	c)	Sycamore warrants that the User Documentation provided to Siemens hereunder is ***. 

  

	 	d)	*** 

  

	15.2	Warranty Claims: Should any Contractual Products be discovered to not conform to Specification within the warranty period Siemens shall notify Sycamore in writing and Sycamore shall

  

	 	a)	***; and 

  

	 	b)	*** 

  

	    	If User Documentation supplied by Sycamore hereunder fails to conform with this warranty, *** 

  

	    	If Sycamore fails more *** 

  

	    	Sycamore shall incur no liability under this warranty if Sycamore’s tests disclose that the alleged defect is due to Siemens ́ or its End-Users ́ alteration or abuse
of the goods. If a Contractual Product is determined not to be defective or to have a defect due to causes not within Sycamore’s reasonable control, Sycamore’s then current repair price as listed in the price list will apply.

  

 12 

	15.3	Sycamore’s Liability: *** 

  

	15.4	*** 

  

	15.5	If any non-conformance is discovered by Siemens after the end of the warranty period *** 

  

	15.6	*** 

  

	16.	*** 

  

	16.1	*** 

  

	16.2	*** 

  

	 	(i)	*** 

  

	 	(ii)	***; or 

  

	 	(iii)	***. 

  

	16.3	*** 

  

	16.4	*** 

  

	16.5	*** 

  

	16.6	*** 

  

	16.7	*** 

  

	17.	INDEMNIFICATION 

  

	    	Sycamore warrants that, to its knowledge, without, however, complete inquiry, 

  

	 	(a)	*** 

  

	 	(b)	*** 

  

	 	(c)	*** 

  

	 	This	warranty applies mutatis mutandis to any new version, new release and alterations to the Documentation. 

  

	    	Sycamore agrees to defend Siemens, its Subsidiaries, *** from any and all claims, ***, 

  

	•	 	Notifies Sycamore promptly, *** 

  

	•	 	Provides Sycamore with the sole *** 

  

	•	 	Co-operates to a reasonable extent *** 

  

 13 

	•	 	Does not acknowledge or accept any *** 

  

	•	 	If a temporary or final injunction is obtained against Siemens ́ use *** 

  

*** 
  

	18.	LIABILITY 

  

	18.1	Product Liability  

  
 If the use of the Contractual Products should result in *** 
  

	18.2	Limitation of Liability 

  
 To the extent expressly provided herein, either Party shall be liable for any damages caused by its acts or omissions in connection with the performance
of this Agreement. 
  
 *** 
  
 *** 
  
 *** 
  

	19.	SOFTWARE MAINTENANCE AND SUPPORT 

  
 The parties agree to negotiate in good faith during the *** following execution of this Agreement a Software Maintenance and Service Level Agreement, ***

  

	20.	PRODUCT PLANNING 

  
 Product planning meetings will be held on a regular basis. The intervals between such meetings shall be mutually decided between Sycamore and Siemens, but
shall not exceed ***. 
  
 The purpose of the product planning
meeting will be to discuss relevant issues related to the Contractual Products such as, but not limited to: 
  
 (a) Product availability schedules of new products or modifications of Contractual Products required by the market, whereby the Parties intend to achieve
*** giving due regard to the interdependencies of the Contractual Products *** 
  
 (b) Provide a forum for Siemens *** 
  

	21.	SPARE PARTS 

  

 14 

 Prior to the first delivery of Contractual Products, Sycamore shall make available to Siemens a ***. This
list will be revised and updated by Sycamore in regular time intervals. 
  

	22.	[reserved] 

  

	23.	QUALITY 

  

	23.1	Sycamore represents that it is certified according to *** commercial efforts to require its manufacturers also to be certified according to *** 

  

	23.2	Sycamore shall provide Siemens with Sycamore’s quality plan and agrees to work with Siemens to remedy ***, as mutually agreed, in the plan to help ensure that the Contractual
Products meet the requirements of *** perspective. 

  

	23.3	If Siemens’ so requests it shall be entitled from time to time and on reasonable advance notice to ***. 

  

	23.4	If Siemens or any End-User requests to perform a factory inspection, such inspection will be performed at Sycamore’s premises prior to delivery of the respective Contractual
Products. The time, place and procedure of the factory inspections will be agreed upon between the Parties reasonably in advance. 

  

	24.	TECHNICAL APPROVAL BY AUTHORITIES 

  
 For the purposes of this Article 24, the “Approval Authorities” shall mean the body or bodies having responsibility for approving *** 
  
 The Contractual Products delivered by Sycamore shall comply
with or carry the approvals *** 
 ***, Sycamore shall propose modifications to the Contractual Products to become compliant also with the requirements ***.
Sycamore shall *** in connection with such modifications. The Parties shall share *** of all additional approvals as well as for such modifications and shall provide any hardware required to accomplish such modifications. Siemens shall obtain such
additional approvals in the names ***. The schedule and charges *** will be mutually agreed between the Parties on a case-by-case basis. 
  

	25.	CONFIDENTIALITY 

  

 15 

 Subject to the provisions set out in this Agreement, the Parties agree to maintain in confidence any and all confidential
information supplied by the delivering Party to the receiving Party. Any and all information required to be held in confidence shall, if in writing, be marked “Confidential”. Oral information that is confidential shall be referred to as
confidential when given and reduced to writing, marked “Confidential” and forwarded to the receiving Party within *** after its communication to the receiving Party. 
  
 Each Party may disclose Confidential Information of the other Party to those employees who have a reasonable need to know and who are bound
to confidentiality by their employment agreements or otherwise. Siemens may disclose Confidential Information of Sycamore to third parties, if necessary for the subcontracting and/or distribution purposes foreseen in this Agreement, provided these
third parties agree to be bound by confidentiality provisions substantially similar to those contained herein; provided, however, that Siemens shall not disclose any Sycamore Confidential Information to any competitor of Sycamore, as that term is
defined herein. 
  
 *** 
  
 Notwithstanding any termination of this Agreement, the non-disclosure obligations as in this
Article above shall expire *** from the furnishing date of the respective Confidential Information. 
  
 Press releases or other information by one Party hereto on the conclusion/content of this Agreement shall only be made available to third parties/press agencies with the prior written consent of the other Party
hereto. 
  

	26.	EXPORT REGULATIONS 

  
 Sycamore shall not be obliged to perform purchase orders under this Agreement, if this performance is hindered by applicable export laws and regulations. 
  
 With respect to Software which includes materials or technology originating from the United States of America, which Sycamore will identify
in the individual delivery documents, Siemens agrees that it will comply with all export laws and regulations of the United States of America. 
  
 In the event that Siemens intends to export Contractual Products subject to an export restriction, Siemens will inform Sycamore accordingly and Sycamore will use its best
efforts to obtain any necessary re-export licenses from the relevant authorities. 
  

	27.	ESCALATION PROCESS 

  

	27.1	 The Parties recognize that disagreements may reasonably arise during the course of their business relationship. The Parties desire to resolve these amicably, and
will seek to 

  

 16 

 
address all issues promptly and in good faith; provided, however, that the escalation process set forth in this Article 27 shall not apply to issues
regarding Contractual Product nonconformance or the provision of services. Prior to pursuing other remedies which may be available the Parties agree to follow the process set forth below: 
  

	27.1.1	Issues shall first be raised to the Parties’ respective Program Managers for resolution. The Program Managers shall consult with their respective Sales and Marketing
Executives, Technical Executives or Business Coordinators, as applicable and as necessary, for resolution. In the event the disagreement is not resolved to both Parties’ satisfaction after reasonable and diligent efforts, within *** from the
time a Party’s Program Manager first receives written notice regarding such issue, the issue will be escalated to the next level as described in 27.1.2 below. 

  

	27.1.2	Issues will then be raised to the responsible Agreement Executives for resolution. In the event the disagreement is not resolved to both Parties’ satisfaction after reasonable
and diligent efforts, within *** from the time a Party’s Agreement Executive first receives written notice regarding such issue, the issue will be escalated to the next level as described in Article 27.1.3 below. 

  

	27.1.3	Issues will then be raised to the President, Sycamore Networks and the General Manager, Siemens Corporation, for resolution. Only if the issue cannot be resolved at this level after
reasonable and diligent efforts within *** from the time the applicable representative specified in this Article first provides written notice of the issue to his/her counterpart of the other Party, either Party may pursue any remedy outside of this
process, subject to the terms of this Agreement. 

  

	27.1.4	Notwithstanding the above, in the event time urgency requires, either Party may immediately escalate an issue to any level within the hierarchy described above, but such urgent
escalation shall be undertaken only in the event of extreme time constraints. 

  

	27.1.5	At each escalation level, both Parties will be granted an opportunity to state the reasons for their views, and an opportunity to present any materials supporting their position.
Each individual responsible for deciding the issue will provide the other Party with a written statement of his/her position and the reasons therefor. 

  

	27.1.6	The Parties respective executives are as follows: (This listing may be changed by either Party with regard to its identified personnel by notice to the other Party):

  
 Program Manager 
  
 To be designated by the Parties pursuant to Article 28.1
below. 
  

 17 

 Sales Executive 
  

	Siemens:	*** 

	Sycamore:	*** 

  
 Technical Executive 
  

	Siemens:	*** 

	Sycamore:	*** 

  
 Business Executive 
  

	Siemens:	*** 

	Sycamore:	*** 

  
 Agreement Executive 
  

	Siemens:	*** 

	Sycamore:	*** 

  
 Senior Officer 
  

	Sycamore:	*** 

	Siemens:	*** 

  

	28.	GENERAL 

  

	28.1	Each Party agrees, within *** after the execution of this Agreement, to designate a single point of contact to act as such Party’s program manager (“Program Manager”)
for purposes of coordinating the overall relationship between the Parties pursuant to both this Agreement and the Adaptation Agreement. The responsibilities of such Program Managers shall include, but shall not be limited to, designation of single
points of contact and project team members in connection with Adaptation Work projects and coordination of such projects pursuant to the Adaptation Agreement and the development and implementation of a joint marketing strategy for the Contractual
Products purchased by Siemens from Sycamore hereunder. 

  

	28.2	Any notices required or sent hereunder from time to time shall be in writing and either delivered personally or sent by fax or registered mail postage prepaid, return receipt
requested to an address as set forth herein. Any notice shall be deemed given when received by the other Party. 

  
 Any notices to be sent to Sycamore shall be addressed and personally delivered or 

  

 18 

 
mailed or faxed as follows: 
  
 *** 
  

	28.3	All disputes arising in connection with this Agreement shall be settled in accordance with the provisions of this Agreement ***. 

  

	28.4	All disputes arising out of or in connection with this Agreement, including any question regarding its existence, validity or termination, *** 

  
 *** 
  

	28.5	Neither Party may delegate or assign any/or all of its duties or rights hereunder without prior written consent of the other Party, which consent shall not be unreasonably withheld.
Notwithstanding the above, either Party may assign this Agreement in the event of a merger or a sale of all or substantially all of such Party’s assets or stock; provided that neither Party will assign this Agreement to a competitor of the
other Party without such Party’s prior express written consent, which consent shall not be unreasonably withheld. 

  

	28.6	Any representation, promise, course of dealing of trade usage not contained or referenced herein will not be binding. 

  

	28.7	Any waiver of any breach of this Agreement shall be limited to the particular instance and shall not operate or be deemed to waive any future breach of it, nor shall any delay on
the part of any Party to act upon any breach be deemed a waiver thereof. 

  

	28.8	In the event that any one or more provisions contained in this Agreement should, for any reason, become or be held to be invalid or unenforceable by a competent authority or court
having final jurisdiction, such invalidity or unenforceability shall not affect any other provision of this Agreement and there shall be substituted for the said invalid or unenforceable provision a valid and enforceable one having an economic
effect as similar as possible to the original provision. 

  

	28.9	Purchases by Siemens from Sycamore of demonstration and/or lab equipment shall be as mutually agreed. 

  

	29.	TERM AND TERMINATION 

  

	29.1	This Agreement shall become effective when dated and signed by both Parties. It shall remain in full force and effect for an indefinite time, *** 

  

 19 

	29.2	Causes for Termination. This Agreement may be terminated by either Party: 

  
 (a) *** 
  
 (b) *** 
  
 (c) *** 
  
 (d) Sycamore’s Material Breach. *** 
  

	29.3	The Effect of Termination. Termination of this Agreement shall not affect: 

  
 (a) any obligations concerning payment and ongoing support arising prior to termination; 
  
 (b) any obligations concerning warranty, liability and indemnification;

  
 (c) Siemens ́ right to ***; 
  
 (d) the obligations of each Party to keep the other Party’s Confidential
Information confidential , not to disassemble or reverse compile the Software and the rights in and to the Software; or 
  
 (e) any or all outstanding items (including licenses) ordered by Siemens by a purchase order as under Article 8 and paid by Siemens or confirmed by
Sycamore prior to effective date of termination of this Agreement. 
  

	30.	ENTIRE AGREEMENT 

  
 This Agreement and all attached Exhibits represent the entire agreement of the Parties with respect to the subject matter hereof and shall supersede all
previous agreements, communications, representations and understandings, oral or written, between the Parties. No modification, amendment, recission, waiver or other change shall be binding upon Siemens or Sycamore unless and until made in writing
and signed by duly authorized representatives of Siemens and Sycamore. This requirement can only be waived in writing. The terms and conditions of this Agreement shall govern all purchases made hereunder and shall supersede all terms and conditions
contained on any purchase order, acknowledgement or other document or writing issued by either Siemens or Sycamore. 
  
 IN WITNESS WHEREOF, the Parties have executed this Agreement by their duly authorized representatives. 
  

	SYCAMORE	NETWORKS, INC.
                            SIEMENS AG 

  

 20 

			
	BY	 	BY
		
	TITLE	 	TITLE
		
	DATE	 	DATE

  

 21 

 Exhibit A 
 Product
List 
  
 *** Entire Exhibit Confidential 
  

 22 

 Exhibit B 
 User
Documentation 
  
 *** Entire Exhibit Confidential 
  

 23 

 Exhibit C 
 Specification 
  
 *** Entire Exhibit Confidential

  

 24 

 Exhibit D 
 Prices
and Discounts 
  
 *** Entire Exhibit
Confidential 
  

 25 

 Exhibit E 
 Non-conformance Correction Procedure 
  

 26 

 Exhibit F 
 Maintenance and Support 
  

 27 

 Exhibit G 
 Escrow
Agreement 
  

 28 

 Exhibit H 
 Contractual Product Software 
 License Terms and Conditions 
  
  

 29 

 Exhibit I 
 Technical Approvals 
  
 ***
Entire Exhibit Confidential 
  

 30 

 Amendment No. 1 
 To the 
 Purchase Agreement 
 Between 
 Sycamore Networks, Inc. and Siemens AG Munich, Germany

  
 This is Amendment No. 1 (the “Amendment”), dated as of
__ September 2002 (the “Effective Date”), to the Purchase Agreement dated 13 June 2002 (the “Agreement”), and is by and between Sycamore Networks, Inc., a Delaware corporation with principal offices at 150 Apollo
Drive, Chelmsford, MA ( hereinafter referred to as “Sycamore”) and SIEMENS AKTIENGESELLSCHAFT, a corporation existing under and by virtue of the laws of the Federal Republic of Germany having its division head office in Hofmannstraße
51, 81359 Munich, (hereinafter referred to as “Siemens”). Sycamore and Siemens are collectively referred to hereinafter as the “Parties”. 
  
 WHEREAS, The Parties entered into the Agreement on or about 13 June, 2002; 
  
 WHEREAS, the Parties now wish to amend the Agreement in accordance with its terms to, among
other things, replace Exhibit D “Prices and Discounts”. 
  
 NOW,
THEREFORE, for good and valuable consideration the receipt and sufficiency of which is hereby acknowledged, the Parties hereby agree to modify the Agreement as follows: 
  

	1.	Capitalized terms used herein and not otherwise defined herein shall have such meaning as set forth in the Agreement. 

  

	2.	Exhibit D to the Agreement is deleted in its entirety and replaced with the attached new Exhibit D. 

  

	3.	In Article 28.2 delete Sycamore’s mailing address and replace with the following address: 

  
 Sycamore Networks, Inc. 
 220 Mill Road 
 Chelmsford, MA 01824 USA 
 Attn: Vice President of Administration 
 Fax: 978-244-1097 
  
 4.     In the event of a conflict between the terms and conditions of
this Amendment No. 1 and the Agreement, this Amendment No. 1 shall prevail. Except as expressly modified in this Amendment No. 1, all other terms and conditions of the Agreement shall remain in full force and effect. 
  

 31 

 IN WITNESS WHEREOF, the parties have caused this Amendment No. 1 to be executed in duplicate by their respective,
duly authorized representatives: 
  

	SYCAMORE	NETWORKS, INC. SIEMENS AG 

  

			
		
	By:                                      
                                        
              	 	By:                                      
                                        
              
		
	Name:                                     
                                        
           	 	Name:                                     
                                        
           
		
	Title:                                     
                                        
             	 	Title:                                     
                                        
             
		
	Date:                                     
                                        
             	 	Date:                                     
                                        
             

  

 32 

 Exhibit D 
 Prices
and Discounts 
  
 Sycamores International Price List (prices)

  
 The Price List for the *** of the
Agreement is attached hereto as Annex 1. 
  
 Reseller Program and Discount
Schedule: 
  
 Sycamore Networks has
established a *** program: 
  
 *** 
  
 An overview of program requirements and benefits include:

  

									
	 	  	Details	  	***	 	***	 	***
					
	1.	  	DISCOUNT ***	  	***	 	***	 	***
					
	2.	  	Annual Contract year revenue commitment (in US$)	  	***	 	***	 	***
					
	3.	  	Quarterly Performance Meeting	  	Mandatory	 	Mandatory	 	Mandatory
					
	4.	  	Demo and TAC Lab for internal use only including internal evaluations, TAC, training and demonstration purposes; (refer to paragraph below and to Exhibit E).	  	***	 	***	 	***
					
	5.	  	***	  	***	 	***	 	***

  

 33 

 *** 
  
 *** 
  
 Systems Engineers: TBD 
  
 Should be subject to SLA 
  
 Demonstration and evaluation Equipment: TBD 
  
 Should be subject to SLA 
  
 Should be subject to SLA 
  

 34 

 Annex 1—Price List 
 *** Entire Exhibit Confidential 
  

 35 

 Amendment No. 3 
 to the 
 Purchase Agreement 
 between 
 Sycamore Networks, Inc. and Siemens AG Munich, Germany

  
 This is Amendment No. 3 (the “Amendment”), dated as of
__ March 2003 (the “Effective Date”), to the Purchase Agreement dated 13 June 2002 (the “Agreement”), and is by and between Sycamore Networks, Inc., a Delaware corporation with principal offices at 220 Mill Road,
Chelmsford, MA ( hereinafter referred to as “Sycamore”) and SIEMENS AKTIENGESELLSCHAFT, a corporation existing under and by virtue of the laws of the Federal Republic of Germany having its division head office in Hofmannstrasse 51, 81359
Munich, (hereinafter referred to as “Siemens”). Sycamore and Siemens are collectively referred to hereinafter as the “Parties”. 
  
 WHEREAS, The Parties entered into the Agreement on or about 13 June, 2002; 
  
 WHEREAS, section 5.1.2 of the Agreement stipulates the grant of rights regarding certain
object code software of Sycamore to Siemens; 
  
 WHEREAS, Sycamore and Siemens wish to expand the terms and conditions of section 5.1.2; 
  
 WHEREAS, the parties wish to finalize the terms and conditions of Exhibit H to the Agreement; 
  
 NOW, THEREFORE, the Parties hereby agree to modify the
Agreement and replace section 5.1.2 of the Agreement as follows: 
  

	1.	Capitalized terms used herein and not otherwise defined herein shall have such meaning as set forth in the Agreement. 

  

	2.	Section 5.1.2 of the Agreement is deleted in its entirety and replaced with the following: 

  

	5.1.2	Sycamore owns or has the right to sublicense as contemplated hereby certain object code software, either referenced herein, or provided to Siemens pursuant to a purchase order
accepted hereunder, or included as an integral part of Contractual Products listed on Exhibit A, attached hereto, (herein collectively and individually referred to as the “Software”). Upon the agreement of the Parties, additional
Software may be added to Exhibit A. 

  

	 	(i)	Sycamore grants to Siemens the *** the object code form of the Software for internal use purposes of 

  
 *** 
  

 36 

 The Software is copyrighted and Siemens is only authorized to reproduce one copy of the Software solely
for back-up purposes. Siemens is hereby prohibited from otherwise copying or translating, modifying or adapting the Software or incorporating in whole or any part in any other product *** based on all or any part of the Software. 
  
 Siemens is not authorized to license others to reproduce any copies of the
Software, except as expressly provided in this Agreement. 
  
 Siemens shall not decompile, disassemble or reverse engineer, the licensed Software or any component thereof, except as may be permitted by applicable law, in which case Siemens must notify Sycamore in writing and Sycamore may provide
review and assistance. 
  
 Subject only to the
licenses specifically granted herein, Sycamore is the sole owner of all rights, title and interest, including all copyrights, patents, trademarks, industrial designs, trade names, trade secrets and other intellectual property rights in the Software
Products. Siemens agrees to ensure that all copyright, trademark and other proprietary notices of Sycamore affixed to or displayed on the Software Products will not be removed or modified. 
  
 The rights and licenses granted to Siemens under this
paragraph (i) with respect to the Software may not be sold, licensed, sublicensed, rented, assigned or otherwise transferred to another party without the prior written consent of Sycamore or except as stated otherwise in this Agreement.

  

	 	(ii)	Sycamore grants to Siemens *** pursuant to terms and conditions substantially similar to the sample license terms stated in Exhibit H. 

  
 The rights to use that may be sublicensed by Siemens ***
under this paragraph (ii) shall also include but not be limited to 
  

	 	•	 	*** 

   o     Sycamore
grants to Siemens the *** 
  
 pursuant to license
terms and conditions substantially similar to the sample license terms as stated under Exhibit H. 
  

	 	•	 	The rights to use that ***. 

  
 Siemens ́ Distribution Right as stated under 5.1.1 shall include the right to provide ***. 
  

	3.	Exhibit H is attached hereto and hereby incorporated into the Agreement. 

  

	4.	Siemens agreed to ***. 

  
 5. In the event of a conflict between the terms and conditions of this Amendment No. 3 and the Agreement, this Amendment No. 3 shall prevail. Except as expressly modified in this Amendment No. 3, all
other terms and conditions of the Agreement shall remain in full force and effect. 
  
 IN WITNESS WHEREOF, the parties have caused this Amendment No. 3 to be executed in duplicate by their respective, duly authorized representatives: 
  

			
	 	  	37

			
		
	 SYCAMORENETWORKS, INC.
	 	SIEMENS AG
		
	By:                                      
                                        
              	 	By:                                      
                                        
              
		
	Name:                                     
                                        
           	 	Name:                                     
                                        
           
		
	Title:                                     
                                        
             	 	Title:                                     
                                        
             
		
	Date:                                     
                                        
             	 	Date:                                     
                                        
             

  

 38 

 Exhibit H 
 Contractual Product Software 
 Sample License Terms and Conditions 
  

	1.	License Grant. 

  

	a.	On and subject to the terms and conditions of this License Agreement, *** to: 

  

(i) use *** Software *** such as including, but not limited to, ***; 
  
 (ii) The Licensee shall have the right to ***; and 
  
 b. Subject only to the licenses specifically granted herein, Sycamore Networks, Inc. (“Sycamore” or the “Product
Provider”) is *** in the Contractual Product Software. Licensee is hereby prohibited from otherwise copying or translating, modifying or adapting the Contractual Product Software or incorporating in whole or any part in any other product ***
except as expressly provided in this License Agreement. Licensee agrees to ensure that all copyright, trademark and other proprietary notices of Sycamore affixed to or displayed on the Contractual Product Software will not be removed or modified.
Licensee shall not and agrees to cause its End-Users to agree to ***. In such case, Licensee or its End-User must notify Sycamore in writing and Sycamore may provide review and assistance. Except as expressly provided herein, the rights and licenses
granted to Licensee with respect to the Contractual Product Software may not be *** without the prior written consent of Sycamore. 
  
 2. Sycamore’s Rights. Licensee agrees that the Contractual Product Software and the User Documentation are proprietary, confidential products of Sycamore or
Sycamore’s licensor protected under U.S. copyright law and Licensee will use Licensee’s best efforts to maintain their confidentiality. Licensee further acknowledges and agrees that all right, title and interest in and to the Contractual
Product Software, including associated intellectual property rights, are and shall remain with Sycamore ***. This License Agreement does not convey to Licensee an interest in or to the Contractual Product Software, but only a limited right of use
revocable in accordance with the terms of this License Agreement. 
  
 3.
Termination. Licensee may terminate this License Agreement at any time by returning the Contractual Product Software and all copies or portions thereof to Siemens. Siemens may terminate this License Agreement upon the breach by Licensee of any
term hereof. Upon the effective date of a termination of this Agreement for Licensee’s breach, the license granted to Licensee under this Agreement shall terminate and Licensee shall immediately discontinue use of the software and all copies
and documentation thereof, purge all software from its systems and return all such copies and documentation to Siemens. Termination of this License Agreement shall not prejudice Siemens’ rights to damages or any other available remedy.

  

 39 

 4. Export Control. With respect to Contractual Product Software that includes materials or technology originating
from the United States of America, Licensee agrees that it will comply with all export laws and regulations of the United States Office of Export Administration and any other appropriate government agency. In the event that Licensee intends to
export or re-export Contractual Product Software subject to an export restriction, Licensee will inform Siemens accordingly and Siemens shall obtain any necessary re-export licenses from the relevant authorities. 
  
 5. Third Party Beneficiary. If the Contractual Product Software incorporates or
otherwise contains any intellectual property of any third party pursuant to a license agreement in favor of Sycamore and sublicensed to Licensee, such third party shall, to the extent permitted by law, be a third party beneficiary of the terms and
conditions of this License Agreement. 
  
  

 40 

 Amendment No. 4 
 to the 
 Purchase Agreement 
 between 
 Sycamore Networks, Inc. and Siemens AG Munich, Germany

  
 This is Amendment No. 4 (the “Amendment”), dated as of
__________ 2003 (the “Effective Date”), to the Purchase Agreement dated 13 June 2002 (the “Agreement”), and is by and between Sycamore Networks, Inc., a Delaware corporation with principal offices at 220 Mill Road,
Chelmsford, MA (hereinafter referred to as “Sycamore”) and SIEMENS AKTIENGESELLSCHAFT, a corporation existing under and by virtue of the laws of the Federal Republic of Germany having its division head office in Hofmannstrasse 51, 81359
Munich, (hereinafter referred to as “Siemens”). Sycamore and Siemens are collectively referred to hereinafter as the “Parties”. 
  
 WHEREAS, The Parties entered into the Agreement on or about 13 June, 2002; 
  
 WHEREAS, on the effective date of the Agreement the Parties
had not yet finished certain exhibits to the Agreement; 
  
 WHEREAS, the Parties wish to finalize the terms and conditions of exhibits E and F to the Agreement; 
  
 WHEREAS, the Parties wish to add Exhibit E entitled “Nonconformance to Specifications Correction Procedure” to the Agreement; 
  
 WHEREAS, the Parties wish to add Exhibit F entitled
“Maintenance and Support Services” to the Agreement; 
  
 NOW, THEREFORE,
for good and valuable consideration the receipt and sufficiency of which is hereby acknowledged the Parties hereby agree to modify the Agreement as follows: 
  

	1.	Capitalized terms used herein and not otherwise defined herein shall have such meaning as set forth in the Agreement. 

  

	2.	Exhibits E and F are attached hereto and hereby incorporated into the Agreement. 

  

	3.	In the event of a conflict between the terms and conditions of this Amendment and the Agreement, this Amendment shall prevail. Except as expressly modified in this Amendment, all
other terms and conditions of the Agreement shall remain in full force and effect. 

  

	4.	Sections 28.3 and 28.4 of the Agreement shall also apply to this Amendment. 

  
 IN WITNESS WHEREOF, the Parties have caused this Amendment to be executed in duplicate by their respective, duly authorized representatives: 
  

 41 

			
		
	SYCAMORE NETWORKS, INC.	 	SIEMENS AG
		
	By:                                      
                                        
              	 	***
		
	Name:                                     
                                        
           	 	***
		
	Title:                                     
                                        
             	 	***
		
	Date:                                     
                                        
             	 	***
		
	 	 	***
		
	 	 	***
		
	 	 	***
		
	 	 	***

  

 42 

 Exhibit E 
  
 Nonconformance to Specifications Correction Procedure 
  
 This Exhibit is an attachment to the Purchase Agreement between Sycamore Networks, Inc., Chelmsford, MA, USA and Siemens AG Munich, Germany
dated June 13, 2002 (the “Agreement”) and is hereby incorporated into and made a part of the Agreement. In the event of a conflict between the terms and conditions of this Exhibit and the Agreement, the terms of this Exhibit shall
prevail. 
  
 The parties shall mutually agree to assign a Severity Level (as
defined in Section 6.2.4 of Exhibit F) to each case of a reported problem or nonconformance of Level 3 Support Services, depending on the importance and urgency of the respective problem and nonconformance. 
  
 Performance Goals 
  
 *** Performance Goals shall apply: 
  
 *** 
  
 Assumptions 
  

	 	•	 	Sycamore shall not be responsible to meet the performance goals ***. 

  

	 	•	 	The performance goals contained in this Exhibit are based on Sycamore’s assumption that ***. 

  

	 	•	 	***. 

  

	 	•	 	***. 

  
 Definitions: 
  

	 	•	 	Business Day: 

 ***. Eastern Standard Time Monday through
Friday Excluding Sycamore Company Holidays.1 
  

	1	Sycamore Company Holidays. 

 Sycamore Company Holidays for calendar year 2003 are: 
 Jan 1, 2004 Company Holiday—New Year's Day 

May 31, 2004 Company Holiday—Memorial Day 
  

 43 

	 	•	 	Fault Correction Time: 

  
 The period of time that has elapsed between ***. 
  

	 	•	 	Progress Time: 

  
 The period of time that has elapsed between the ***. 
  

	 	•	 	Resolution: 

  
 Means ***. 
  

	 	•	 	Response Time: 

  
 The period of time that has elapsed ***. 
  

	 	•	 	Service Request 

  
 A request made by the Siemens TAC to the Sycamore TAC for assistance with a problem, question, or event related to Contractual Products. A
valid Service Request must include the required information specified in Exhibit F. 
  

	 	•	 	Fault Correction Notification Time: 

  
 The period of time that has elapsed between ***. 
  

	 	•	 	Settling Time 

  
 The time between Sycamore TAC’s response ***. 
  
  
  
  

 July 5, 2004 Company Holiday—Independence Day
Observed 
 Sep 6, 2004 Company Holiday—Labor Day 
 Nov 25, 2004 Company Holiday—Thanksgiving Day 
 Nov 26, 2003 Company Holiday—Day after Thanksgiving 
 Dec 24, 2003 Company Holiday—Christmas Day Observed 
 Sycamore shall provide Siemens with a list of Sycamore Company Holidays for each calendar year within thirty (30) days before the beginning of the subject year. 
  

 44 

 EXHIBIT F 
  
 ENTIRE EXHIBIT CONFIDENTIAL 
  
  
 *** 
  

 45 

 Amendment No. 6 
 to the 
 Purchase Agreement 
 between 
 Sycamore Networks, Inc. and Siemens AG Munich, Germany

  
 This is Amendment No. 6 (“this Amendment”), dated as of
August 8, 2005, to the Purchase Agreement dated 13 June 2002, as amended (“the Agreement”), and is by and between Sycamore Networks, Inc., a Delaware corporation with principal offices at 220 Mill Road, Chelmsford, MA
(hereinafter referred to as “Sycamore”) and SIEMENS AKTIENGESELLSCHAFT, a corporation existing under and by virtue of the laws of the Federal Republic of Germany having its division head office in Hofmannstrasse 51, 81359 Munich,
(hereinafter referred to as “Siemens”). Sycamore and Siemens are collectively referred to hereinafter as the “Parties”. 
  
 WHEREAS the Agreement governs the purchase and sale of Sycamore’s Contractual Products by Siemens; 
  
 WHEREAS Siemens desires to purchase Contractual Products from Sycamore for sale to KDnet for
the KT Corp. OXC Project (“the Project) under the prices contained in Exhibit A to this Amendment; 
  
 WHEREAS the Parties have mutually agreed that the terms and conditions set forth in Exhibit B shall apply to the purchase and sale of Contractual Products to Siemens for the KT Corp. OXC Project only; and 

 
 WHEREAS Sycamore has offered under certain conditions to achieve expedited delivery on
certain Contractual Products set forth in Exhibit C. 
  
 NOW, THEREFORE, for good
and valuable consideration the receipt and sufficiency of which is hereby acknowledged the Parties hereby agree to modify the Agreement as follows: 
  

	1.	Capitalized terms used herein and not otherwise defined herein shall have such meaning as set forth in the Agreement. 

  

 46 

	2.	This Amendment shall only apply in respect of the Project. 

  

	3	This Amendment will commence on August 8, 2005 (“the Effective Date”) and shall continue in effect for a period of *** thereafter, unless extended by written
agreement of the Parties hereto. In the event of termination or expiry of the Agreement, this Amendment shall automatically terminate. 

  

	4	Exhibits A, B and C are attached hereto and incorporated herein. 

  

	5	The terms and conditions of this Amendment, including all exhibits hereto, together with Agreement, constitute the entire agreement between the Parties for the sale of Contractual
Products to KDnet for the KT Corp. OXC Project and supersede all previous agreements and understandings, whether oral or written, between the Parties hereto with respect to the subject matter hereof. In the event of a conflict between the terms and
conditions of this Amendment and the Agreement, this Amendment shall prevail. Except as expressly modified in this Amendment, all other terms and conditions of the Agreement shall remain in full force and effect. 

  

	6	Sycamore agrees to deliver the Contractual Products referred to in Exhibit C in accordance with the delivery schedule in Exhibit C in consideration of the terms and conditions set
out in Item 7 below. 

  

	7	Expedited Delivery Fee. Siemens shall reimburse Sycamore for the costs of expediting the delivery of the Contractual Products in Exhibit C in accordance with the delivery dates in
Exhibit C provided always Siemens liability under this Section shall be limited ***. Sycamore shall give notice to Siemens of the cost of expediting delivery (“Expedited Delivery Fee”) within *** of receipt of Purchase Order(s) for the
Contractual Product listed on Exhibit C. 

  
 If and
only if Sycamore shall meet all the delivery dates set out in Exhibit C, then within *** of the delivery of the last Contractual Product in Exhibit C, Siemens shall provide Sycamore with *** purchase order for Expedited Delivery Fee of expediting
delivery. Siemens shall pay the Expedited Delivery Fee *** of receipt of the invoice thereof. Should Sycamore ***(as defined in *** of the Agreement) by more than *** from date of purchase order for any product in Exhibit C, Sycamore agrees to grant
to Siemens, in lieu of actual damages, ***. 
  
 IN WITNESS WHEREOF, the Parties
have caused this Amendment to be executed in duplicate by their respective, duly authorized representatives: 
  

			
	 SYCAMORE NETWORKS, INC.
  
 By
                                        
                                       
 
	 	 SIEMENS AG
  
 By
                                        
                                       
 

  

 47 

			
		
	Name:                                     
                                        
           	 	Name:                                     
                                        
           
		
	Title:                                     
                                        
             	 	Title:                                     
                                        
             
		
	Date:                                     
                                        
             	 	Date:                                     
                                        
             

  

 48 

 EXHIBIT A 
 Pricing 
 related to the KT Corp. OXC Project 
  
 *** Entire Exhibit Confidential 
  

 49 

 EXHIBIT B 
 Additional Terms and Conditions 
 related to the KT Corp. OXC Project 
  

	1	a. The list pricing is contained in Exhibit A and shall *** for a period *** from the Effective Date of Amendment No. 6 (“the Initial Term”). For the Initial Term,
Siemens is eligible for ***attached in Exhibit A on Sycamore hardware products only and not software and services. 

  
 In consideration of the pricing terms contained in this Amendment, *** 
  
 *** 
  

	b.2	*** 

  
 b.3 Payment of any amount owed Sycamore as a result of such reconciliation shall be ***. In the event that Siemens is late with payment then Sycamore shall be entitled to exercise the option *** purchase orders for
the Project and be entitled to *** of all Contractual Products ordered for the Project until *** 
  
 b.4 *** 
  

	2	Harmonized Product Codes. *** will be responsible for any change in coding required due to the fact that *** has determined in its sole discretion that it ***. However, *** cannot
be responsible for a code change required by ***. 

  

	3	Services Pricing and Payment. Unless modified by this Amendment, Service pricing is contained in Annex F-4 of Exhibit F to the Agreement. 

  
 Sycamore agrees to offer unbundled Software Maintenance Service as follows:

  

			
	           Description
	 	 Price

		
	200026 Maintenance Fix Release ***	 	            ***
		
	200008 Software Upgrades ***	 	            ***

  

 50 

 ***Siemens shall provide Sycamore with a purchase order for Standard Return to Factory Service (Product
Code 203007) for ***. Sycamore shall invoice Siemens ***. Siemens shall pay Sycamore not later than *** the receipt of such pertaining invoice(s). 
  
 At the time of each order Siemens shall provide Sycamore with a purchase order for Maintenance Fix Release Service (Product Code 200026) for ***. Sycamore
shall invoice Siemens ***. Siemens shall pay Sycamore not later than *** the receipt of such pertaining invoice. 
  
 For the avoidance of doubt, to the extent that *** 
  
 4 Product Code 200008—Software Upgrade Service. *** 
  
 The anniversary date shall be the date of Sycamore’s acceptance of the Initial Software Upgrade Service Purchase Order (the “Anniversary
Date”). For Contractual Products acquired by Siemens during the initial year after the Anniversary Date, or for new Contractual Product purchases in any subsequent year, ***. Siemens shall provide Sycamore with a Purchase Order ***. Pertaining
invoices shall be paid ***. 
  
 Software Upgrade Service may be
purchased by Siemens ***. 
  
 Upon the second, and any subsequent,
Anniversary Date, Sycamore shall provide Siemens ***. Pertaining invoices shall be paid ***. 
  

	5	*** 

  

	6	Support Period. 

  
 Sycamore agrees to offer Services for any Contractual Products and the most recent release of Software for such Contractual Products for a period of ***
to Siemens under an accepted Purchase Order for the Project, ***. 
  
 END OF EXHIBIT B 
  

 51 

 Exhibit A 
  
 *** Entire Exhibit Confidential 
  

 52 

 EXHIBIT C 
  

Expedited Delivery Schedule 
  
 DELIVERY DATE OCTOBER 1, 2005 
  
 *** Entire Exhibit Confidential 
  

 53

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