Document:

SPECIMEN OF FLOATING RATE NOTE DUE 2012

 Exhibit 4.3 
 [FORM OF INITIAL SECURITY] 
 NetScout Systems, Inc. 
 Senior Secured Floating Notes Due 2012 
 CUSIP
No. 
 ISIN No. 
  

			
	No. [    ]	  	$[                    ]

 NetScout Systems, Inc., a Delaware corporation, (the “Company,” which term
includes any successor corporation), for value received promises to pay to                      or its registered assigns, the principal sum
of                      dollars ($             ) on November 1, 2012.

 Interest Payment Dates: February 1, May 1, August 1 and November 1, commencing February 1, 2008. 
 Record Dates: January 15, April 15, July 15, and October 15. 
 Reference is made to the further provisions of this Security contained herein, which will for all purposes have the same effect as if set forth at this
place. 
  

 1 

 IN WITNESS WHEREOF, the Company has caused this Security to be signed manually or by facsimile by its
duly authorized officers. 
  

			
	NETSCOUT SYSTEMS, INC.,
		
	By:	 	  

	Name:	 	
	Title:	 	

  

 2 

 CERTIFICATE OF AUTHENTICATION 
 This is one of the Senior Secured Floating Rate Notes Due 2012 described in the within-mentioned Indenture. 
  

					
	Dated:	 	WELLS FARGO BANK, NATIONAL ASSOCIATION, AS
TRUSTEE,
			
		 	by:	 	  

		 		 	Authorized Signatory

  

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 (Reverse of Security) 
 NetScout Systems, Inc. 
 Senior Secured Floating Rate Notes Due 2012 
 [Insert the Global Security Legend, if applicable pursuant to the provisions of the Indenture] 
 [Insert the Private Placement Legend, if applicable pursuant to the provisions of the Indenture] 
 Capitalized terms used herein shall have the meanings assigned to them in the Indenture referred to below unless otherwise indicated. 
 SECTION 1. Interest. NetScout Systems, Inc., a Delaware corporation (the “Company”), promises to pay interest on the
principal amount of this Security at the rate in effect from time to time from November 1, 2007 until maturity. The Company shall pay interest quarterly on February 1, May 1, August 1 and November 1 of each year, or if any
such day is not a Business Day, on the next succeeding Business Day (each an “Interest Payment Date”). Interest on the Securities will accrue from the most recent date to which interest has been paid or, if no interest has been
paid, from the date of original issuance; provided that if there is no existing Default in the payment of interest, and if this Security is authenticated between a record date referred to on the face hereof and the next succeeding Interest
Payment Date, interest shall accrue from such next succeeding Interest Payment Date; provided, further, that the first Interest Payment Date shall be February 1, 2008. The Company shall pay interest (including post-petition interest in
any proceeding under any Bankruptcy Law) on overdue principal and premium, if any, from time to time on demand to the extent lawful at the interest rate per annum applicable to the Securities plus 2% per annum; it shall pay
interest (including post-petition interest in any proceeding under any Bankruptcy Law) on overdue installments of interest (without regard to any applicable grace periods) from time to time on demand at the same rate to the extent lawful. Interest
will accrue at the rate per annum, reset quarterly, equal to LIBOR plus the Margin, and will be payable in cash. 
 SECTION 2.
Method of Payment. The Company shall pay interest on the Securities (except defaulted interest) to the Persons who are registered Holders of Securities at the close of business on January 15, April 15, July 15 or
October 15 next preceding the Interest Payment Date, even if such Securities are canceled after such record date and on or before such Interest Payment Date, except as provided in Section 2.12 of the Indenture with respect to defaulted
interest. The Securities will be issued in denominations of $2,000 and integral multiples of $1,000. The Company shall pay principal, premium, if any and interest on the Securities in such coin or currency of the United States of America as at the
time of payment is legal tender for payment of public and private debts (“U.S. Legal Tender”). The principal of (and premium, if any) and interest on the Securities shall be payable at the office or agency of the Company maintained
for such purpose pursuant to Section 2.03 of the Indenture; provided, however, that, at the option of the Company, each installment of interest may be paid by (i) check mailed to addresses of the Persons entitled thereto as such
addresses shall appear on the Securities Register or (ii) wire transfer to an account located in the United States maintained by the payee. Payments in respect of Securities represented by a Global Security (including  principal, premium,
if any, and interest) will be 

  

 4 

 
made by wire transfer of immediately available funds to the accounts specified by the Depositary. Payments in respect of Securities represented by Definitive
Securities (including principal, premium, if any, and interest) held by a Holder will be made by wire transfer to a U.S. dollar account maintained by the payee with a bank in the United States if such Holder elects payment by wire transfer by giving
written notice to the Trustee or the Paying Agent to such effect designating such account no later than three Business Days immediately preceding the relevant due date for payment (or such other date as the Trustee may accept in its discretion).

 SECTION 3. Paying Agent, Registrar, Collateral Agent and Calculation Agent. Initially, Wells Fargo Bank, National Association,
the Trustee under the Indenture, will act as Paying Agent, Registrar, Collateral Agent and Calculation Agent. The Company may change any Paying Agent, Registrar, Collateral Agent or Calculation Agent without notice to any Holder. The Company or any
Affiliate may act in any such capacity. 
 SECTION 4. Indenture. The Company issued the Securities under an Indenture dated as of
November 1, 2007 (“Indenture”) among the Company, the Guarantors and the Trustee. The terms of the Securities include those stated in the Indenture and those made part of the Indenture by reference to the Trust Indenture Act of
1939, as amended (15 U.S. Code §§ 77aaa-77bbbb) (the “TIA”). The Securities are subject to all such terms, and Holders are referred to the Indenture and the TIA for a statement of such terms. To the extent any
provision of this Security conflicts with the express provisions of the Indenture, the provisions of the Indenture shall govern and be controlling. 
 SECTION 5. Optional Redemption. (a) The Securities may be redeemed, in whole but not in part, at any time prior to November 1, 2008, at the option of the Company upon not less than 30 nor more than 60 days’ prior
notice mailed by first-class mail to each Holder’s registered address, at a redemption price equal to 100% of the principal amount of the Securities as of, and accrued and unpaid interest and Additional Interest, if any, to, the applicable
redemption date (subject to the right of Holders of record on the relevant record date to receive interest due on the relevant Interest Payment Date). 
 On or after the first anniversary of the Issue Date, the Securities will be subject to redemption at any time at the option of the Company, in whole but not in part, upon not less than 30 nor more than 60 days’
notice, at the redemption prices (expressed as percentages of principal amount) set forth below plus accrued and unpaid interest and Additional Interest thereon, if any, to the applicable redemption date, if redeemed during the twelve-month period
beginning on November 1 of the years indicated below: 
  

				
	 Year
	  	Percentage	 
	 2008
	  	103.0	%
	 2009
	  	102.0	%
	 2010
	  	101.0	%
	 2011 and thereafter
	  	100.0	%

  

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 SECTION 6. Reserved. 
 SECTION 7. Mandatory Redemption. For the avoidance of doubt, an offer to purchase pursuant to Section 8.01 hereof shall not be
deemed a redemption. The Company shall not be required to make mandatory redemption or sinking fund payments with respect to the Securities. 
 SECTION 8. Offers To Purchase. The Indenture provides that upon the occurrence of an Asset Sale, an Excess Cash Flow Event or Financing Event and subject to further limitations contained therein, the Company shall make an offer
to purchase outstanding Securities in accordance with the procedures set forth in the Indenture. 
 SECTION 9. Notice of
Redemption. Notice of redemption will be mailed by first class mail at least 30 days but not more than 60 days before the redemption date to each Holder of Securities to be redeemed at its registered address. Securities in denominations larger
than $1,000 may be redeemed in part. If any Security is to be redeemed in part only, the notice of redemption that relates to such Security shall state the portion of the principal amount thereof to be redeemed. A new Security in principal amount
equal to the unredeemed portion thereof will be issued in the name of the Holder thereof upon cancellation of the original Security. On and after the redemption date interest ceases to accrue on Securities or portions thereof called for redemption.

 SECTION 10. Denominations, Transfer, Exchange. The Securities are in registered form without coupons in denominations of
$2,000 and integral multiples of $1,000. The transfer of Securities may be registered and Securities may be exchanged as provided in the Indenture. The Registrar and the Trustee may require a Holder, among other things, to furnish appropriate
endorsements and transfer documents and the Company may require a Holder to pay any taxes and fees required by law or permitted by the Indenture. The Company or the Registrar is not required to transfer or exchange any Security selected for
redemption. Also, the Company or the Registrar is not required to transfer or exchange any Securities for a period of 15 days before a selection of Securities to be redeemed. 
 SECTION 11. Persons Deemed Owners. The registered Holder of a Security may be treated as its owner for all purposes. 
 SECTION 12. Amendment, Supplement and Waiver. Subject to certain exceptions, the Indenture and the Securities may be amended or supplemented
with the written consent of the Holders of at least a majority in aggregate principal amount of the Securities then outstanding, and any existing Default or compliance with any provision may be waived with the consent of the Holders of a majority in
aggregate principal amount of the Securities then outstanding (except a payment default or in respect of a covenant or provision that cannot be modified without the consent of each affected Holder). Without notice to or consent of any Holder, the
parties thereto may amend or supplement the Indenture, the Security Documents and the Securities to, among other things, cure any ambiguity, defect or inconsistency in the Indenture, provide for uncertificated Securities in addition to certificated
Securities, comply with any requirements of the Commission in connection with the qualification of the Indenture under the TIA, or make any change that does not adversely affect the legal rights of any Holder of a Security in any material respect.

  

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 SECTION 13. Defaults and Remedies. If an Event of Default occurs and is continuing, the
Trustee or the Holders of at least 25% in aggregate principal amount of the then outstanding Securities generally may declare all the Securities to be due and payable immediately. Notwithstanding the foregoing, in the case of an Event of Default
arising from certain events of bankruptcy or insolvency as set forth in the Indenture, with respect to the Company, all outstanding Securities will become due and payable without further action or notice. Holders of the Securities may not enforce
the Indenture or the Securities except as provided in the Indenture. Subject to certain limitations, Holders of a majority in aggregate principal amount of the then outstanding Securities may direct the Trustee in its exercise of any trust or power.
The Trustee may withhold from Holders notice of any continuing Default (except a Default relating to the payment of principal or interest) if it determines that withholding notice is in their interest. The Holders of a majority in aggregate
principal amount of the Securities then outstanding by notice to the Trustee may on behalf of the Holders of all of the Securities waive any Default and its consequences under the Indenture except a continuing Default in the payment of interest on,
or the principal of, the Securities or in respect of certain covenants set forth in the Indenture. 
 SECTION 14. Restrictive
Covenants. The Indenture contains certain covenants that, among other things, limit the ability of the Company and its Subsidiaries to make restricted payments, to incur indebtedness, to create liens, to sell assets, to permit restrictions on
dividends and other payments by Subsidiaries of the Company, to consolidate, merge or sell all or substantially all of its assets or to engage in transactions with affiliates. The limitations are subject to a number of important qualifications and
exceptions. The Company must annually report to the Trustee on compliance with such limitations. 
 SECTION 15. No Recourse Against
Others. To the extent permitted by applicable law, (i) no director, officer, employee, incorporator or stockholder of the Company or any direct or indirect parent entity or of any Guarantor, as such, shall have any liability for any
obligations of the Company or any Guarantor under the Securities, this Indenture, the Security Documents or the Guarantees or for any claim based on, in respect of, or by reason of, such obligations or their creation; (ii) each Holder by
accepting a Security waives and releases all such liability; and (iii) such waiver and release are part of the consideration for issuance of the Securities. 
 SECTION 16. Trustee Dealings with the Company. The Trustee under the Indenture, in its individual or any other capacity, may become the owner or pledgee of Securities and may otherwise deal with the
Company, its Subsidiaries or their respective Affiliates as if it were not the Trustee. 
 SECTION 17. Authentication. This
Security shall not be valid until authenticated by the manual signature of the Trustee or an authenticating agent. 
 SECTION 18.
Abbreviations. Customary abbreviations may be used in the name of a Holder or an assignee, such as: TEN COM (= tenants in common), TEN ENT (= tenants by the entirety), JT TEN (= joint tenants with right of survivorship and not as tenants in
common), CUST (= Custodian), and U/G/M/A (= Uniform Gifts to Minors Act). 
  

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 SECTION 19. [Reserved]. 
 SECTION 20. Guarantees. The Securities will be entitled to the benefits of certain Guarantees made for the benefit of the Holders. Reference
is hereby made to the Indenture for a statement of the respective rights, limitations of rights, duties and obligations thereunder of the Guarantors, the Trustee and the Holders. 
 SECTION 21. Collateral. The Securities will be entitled to the benefits of certain collateral security pledged for the benefit of the Holders
pursuant to the terms of the Security Documents. Reference is hereby made to the Security Documents for a statement of the respective rights, limitations of rights, duties and obligations thereunder of the Company, the Guarantors, the Collateral
Agent, the Trustee and the Holders. The Company agrees, and each Holder by accepting a Security agrees, to the provisions contained in the Security Documents and the Indenture and authorizes the Collateral Agent and the Trustee to give them effect
and appoints the Trustee as attorney-in-fact for such purpose. 
 SECTION 22. CUSIP Numbers and ISINs. The Company has caused
CUSIP numbers and ISINs to be printed on the Securities and has directed the Trustee to use CUSIP numbers and ISINs in notices of redemption as a convenience to the Holders. No representation is made as to the accuracy of such numbers either as
printed on the Securities or as contained in any notice of redemption and reliance may be placed only on the other identification numbers placed thereon. 
 SECTION 23. Governing Law. This Security shall be governed by, and construed in accordance with, the laws of the State of New York. 
 The Company shall furnish to any Holder upon written request and without charge a copy of the Indenture. 
  

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 ASSIGNMENT 
 For value received                              hereby sell(s)
assign(s) and transfer(s) unto                              (Please insert social security or other
Taxpayer Identification Number of assignee:                    ) the within the Security, and hereby irrevocably constitutes and appoints
                                     attorney to transfer said
Security on the books of the Company, with full power of substitution in the premises. 
 In connection with any transfer of the Security
prior to the expiration of the holding period applicable to sales thereof under Rule 144(k) under the Securities Act (or any successor provision), the undersigned confirms that such Security is being transferred: 
  

	 	 ̈	To NetScout Systems, Inc. or a subsidiary thereof; or 

  

	 	 ̈	Pursuant to and in compliance with Rule 144 under the Securities Act of 1933, as amended; or 

  

	 	 ̈	Pursuant to and in compliance with any provision or rule (other than Rule 144) under the Securities Act of 1933, as amended; or 

  

	 	 ̈	Pursuant to a Registration Statement which has been declared effective under the Securities Act of 1933, as amended, and which continues to be effective at the time of transfer;

 and unless the Security has been transferred to NetScout Systems, Inc. or a subsidiary thereof, the undersigned confirms that such Security
is not being transferred to an “affiliate” of the Company as defined in Rule 144 under the Securities Act of 1933, as amended. 
  

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 Unless one of the boxes is checked, the Trustee will refuse to register any of the Securities
evidenced by this certificate in the name of any person other than the registered holder thereof. 
 Dated:
                     
  

	
	  

	
	  

	Signature(s)
	
	Signature(s) must be guaranteed by an “eligible guarantor institution” meeting the requirements of the Registrar, which requirements include membership or participation in the
Security Transfer Agent Medallion Program (“STAMP”) or such other “signature guarantee program” as may be determined by the Registrar in addition to, or in substitution for, STAMP, all in accordance with the
Securities Exchange Act of 1934, as amended.
	
	  

	Signature Guarantee

  

 10 

 OPTION OF HOLDER TO ELECT PURCHASE 
 If you want to elect to have this Security purchased by the Company pursuant to Sections 4.11, 4.12 or 4.13 of the Indenture, check the appropriate box:

 Section 4.11 [    ] Section 4.12
[    ] Section 4.13 [    ] 
 If you
want to elect to have only part of this Security purchased by the Company pursuant to Section 4.11, Section 4.12 or Section 4.13 of the Indenture, state the amount:
$                     
  

					
	 Dated:
	 	Signed:	 	  

		 		 	(Sign exactly as name appears on the other side of this Security)

  

			
	Signature Guarantee:	 	  

		 	Participant in a recognized Signature Guarantee Medallion Program (or other signature guarantor program reasonably acceptable to the Trustee)

  

 11 

 SCHEDULE OF INCREASES OR DECREASES IN GLOBAL SECURITY 
 The following increases or decreases in this Global Security have been made: 
  

									
	 Date of Exchange
	 	 Amount of decrease in
principal amount of this
Global Security

	 	 Amount of increase in
principal amount of this
Global Security

	 	 principal amount of this
Global Security following
such decrease or
increase
	 	 Signature of authorized
signatory of Trustee

  

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 EXHIBIT A 
 FORM OF RESTRICTIVE LEGEND FOR RESTRICTED SECURITIES 
 THIS SECURITY HAS NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF
1933, AS AMENDED (THE “SECURITIES ACT”), OR THE SECURITIES LAWS OF ANY STATE OR OTHER JURISDICTION. NEITHER THIS SECURITY NOR ANY INTEREST OR PARTICIPATION HEREIN MAY BE REOFFERED, SOLD, ASSIGNED, TRANSFERRED, PLEDGED, ENCUMBERED OR
OTHERWISE DISPOSED OF IN THE ABSENCE OF SUCH REGISTRATION OR UNLESS SUCH TRANSACTION IS EXEMPT FROM, OR NOT SUBJECT TO, SUCH REGISTRATION. THE HOLDER OF THIS SECURITY, BY ITS ACCEPTANCE HEREOF: 
 AGREES ON ITS OWN BEHALF AND ON BEHALF OF ANY INVESTOR ACCOUNT FOR WHICH IT HAS PURCHASED SECURITIES THAT IT WILL NOT OFFER, SELL OR
OTHERWISE TRANSFER SUCH SECURITY EXCEPT (A) TO NETSCOUT SYSTEMS, INC. (THE “ISSUER”) OR ANY SUBSIDIARY THEREOF, (B) PURSUANT TO A REGISTRATION STATEMENT THAT HAS BEEN DECLARED EFFECTIVE UNDER THE SECURITIES ACT AND WHICH
CONTINUES TO BE EFFECTIVE AT THE TIME OF SUCH TRANSFER, (C) PURSUANT TO THE EXEMPTION FROM THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT PROVIDED BY RULE 144 UNDER THE SECURITIES ACT (IF AVAILABLE) OR (D) PURSUANT TO THE EXEMPTION
FROM REGISTRATION REQUIREMENTS OF THE SECURITIES ACT PERMITTED BY ANY OTHER PROVISION OR RULE UNDER THE SECURITIES ACT (IF AVAILABLE); AND 
 AGREES THAT IT WILL DELIVER TO EACH PERSON TO WHOM THIS SECURITY IS TRANSFERRED (OTHER THAN A TRANSFER PURSUANT TO CLAUSE 1(B) OR 1(C) ABOVE) A NOTICE SUBSTANTIALLY TO THE EFFECT OF THIS LEGEND. 
 IN CONNECTION WITH ANY TRANSFER OF THIS SECURITY WITHIN TWO YEARS AFTER THE ORIGINAL ISSUANCE OF SUCH SECURITY (OTHER THAN A TRANSFER PURSUANT TO CLAUSE 1(B) ABOVE), THE
HOLDER MUST CHECK THE APPROPRIATE BOX SET FORTH ON THE REVERSE HEREOF RELATING TO THE MANNER OF SUCH TRANSFER AND SUBMIT THIS CERTIFICATE TO THE TRUSTEE (OR ANY SUCCESSOR TRUSTEE, AS APPLICABLE). IF THE PROPOSED TRANSFER IS PURSUANT TO CLAUSE 1(C)
or 1(D) ABOVE, THE HOLDER MUST, PRIOR TO SUCH TRANSFER, FURNISH TO THE TRUSTEE (OR ANY SUCCESSOR TRUSTEE, AS APPLICABLE), SUCH CERTIFICATIONS, LEGAL OPINIONS OR OTHER INFORMATION AS THE ISSUER OR THE TRUSTEE MAY REASONABLY REQUIRE TO CONFIRM THAT
SUCH TRANSFER IS BEING MADE PURSUANT TO AN EXEMPTION FROM, OR IN A TRANSACTION NOT SUBJECT TO, THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT. THIS LEGEND WILL BE REMOVED UPON THE EARLIER OF THE TRANSFER OF THIS SECURITY PURSUANT TO CLAUSE 1(B)
OR 1(C) ABOVE OR THE EXPIRATION OF TWO YEARS FROM THE ORIGINAL ISSUANCE OF THE SECURITY EVIDENCED HEREBY. 
  

 A-1 

 THE HOLDER OF THIS SECURITY IS ENTITLED TO THE BENEFITS OF A REGISTRATION RIGHTS AGREEMENT DATED AS OF NOVEMBER 1,
2007 AND, BY ITS ACCEPTANCE HEREOF, AGREES TO BE BOUND BY AND TO COMPLY WITH THE PROVISIONS OF SUCH REGISTRATION RIGHTS AGREEMENT. 
  

 A-2 

 EXHIBIT B 
 FORM OF RESTRICTIVE LEGEND FOR GLOBAL SECURITY 
 Any Global Security authenticated and delivered hereunder
shall bear a legend (which would be in addition to any other legends required in the case of a Restricted Security) in substantially the following form: 
 UNLESS THIS CERTIFICATE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY, A NEW YORK CORPORATION (“DTC”), NEW YORK, NEW YORK, TO THE COMPANY OR ITS AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE OR
PAYMENT, AND ANY CERTIFICATE ISSUED IS REGISTERED IN THE NAME OF CEDE & CO. OR IN SUCH OTHER NAME AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC (AND ANY PAYMENT IS MADE TO CEDE & CO. OR TO SUCH OTHER ENTITY AS IS REQUESTED
BY AN AUTHORIZED REPRESENTATIVE OF DTC), ANY TRANSFER, PLEDGE OR OTHER USE HEREOF FOR VALUE OR OTHERWISE BY OR TO ANY PERSON IS WRONGFUL INASMUCH AS THE REGISTERED OWNER HEREOF, CEDE & CO., HAS AN INTEREST HEREIN. 
 TRANSFERS OF THIS GLOBAL SECURITY SHALL BE LIMITED TO TRANSFERS IN WHOLE, BUT NOT IN PART, TO DTC, TO NOMINEES OF DTC OR TO A SUCCESSOR THEREOF OR SUCH SUCCESSOR’S
NOMINEE AND TRANSFERS OF PORTIONS OF THIS GLOBAL SECURITY SHALL BE LIMITED TO TRANSFERS MADE IN ACCORDANCE WITH THE RESTRICTIONS SET FORTH IN THE INDENTURE REFERRED TO ON THE REVERSE HEREOF.SECURITY AGREMENT

 Exhibit 4.4 
  

 SECURITY AGREEMENT 
 made by 
 NETSCOUT SYSTEMS, INC. 
 and certain of its Subsidiaries 
 in favor of 
 WELLS FARGO BANK, NATIONAL ASSOCIATION, 
 as
Collateral Trustee 
 Dated as of November 1, 2007 
  

 TABLE OF CONTENTS 
  

					
	 	 	 	  	Page
	SECTION 1.	 	DEFINED TERMS	  	1
	        1.1	 	Definitions	  	1
	        1.2	 	Other Definitional Provisions	  	3
			
	SECTION 2.	 	GRANT OF SECURITY INTEREST	  	4
			
	SECTION 3.	 	REPRESENTATIONS AND WARRANTIES	  	5
	        3.1	 	Title; No Other Liens	  	5
	        3.2	 	Perfected First Priority Liens	  	6
	        3.3	 	Jurisdiction of Organization; Chief Executive Office	  	6
	        3.4	 	Farm Products	  	6
	        3.5	 	Investment Property	  	6
	        3.6	 	Receivables	  	7
	        3.7	 	Intellectual Property	  	7
	        3.8	 	Commercial Tort Claims	  	7
			
	SECTION 4.	 	COVENANTS	  	8
	        4.1	 	Delivery of Instruments, Certificated Securities and Chattel Paper	  	8
	        4.2	 	Maintenance of Insurance	  	8
	        4.3	 	Payment of Obligations	  	8
	        4.4	 	Maintenance of Perfected Security Interest; Further Documentation	  	8
	        4.5	 	Changes in Name, etc	  	9
	        4.6	 	Notices	  	9
	        4.7	 	Investment Property	  	9
	        4.8	 	Intellectual Property	  	10
	        4.9	 	Commercial Tort Claims	  	12
			
	SECTION 5.	 	REMEDIAL PROVISIONS	  	12
	        5.1	 	Certain Matters Relating to Receivables	  	12
	        5.2	 	Communications with Obligors; Grantors Remain Liable	  	13
	        5.3	 	Pledged Stock	  	13
	        5.4	 	Proceeds to be Turned Over To Collateral Trustee	  	14
	        5.5	 	Application of Proceeds	  	14
	        5.6	 	Code and Other Remedies	  	14
	        5.7	 	Registration Rights	  	15
	        5.8	 	Subordination	  	16
	        5.9	 	Deficiency	  	16
			
	SECTION 6.	 	THE COLLATERAL TRUSTEE	  	16
	        6.1	 	Collateral Trustee’s Appointment as Attorney-in-Fact, etc	  	16
	        6.2	 	Duty of Collateral Trustee	  	18
	        6.3	 	Execution of Financing Statements	  	18

  

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	        6.4	 	Authority of Collateral Trustee	  	19
			
	SECTION 7.	 	MISCELLANEOUS	  	19
	        7.1	 	Amendments in Writing	  	19
	        7.2	 	Notices	  	19
	        7.3	 	No Waiver by Course of Conduct; Cumulative Remedies	  	19
	        7.4	 	Enforcement Expenses; Indemnification	  	19
	        7.5	 	Successors and Assigns	  	20
	        7.6	 	Set-Off	  	20
	        7.7	 	Counterparts	  	20
	        7.8	 	Severability	  	20
	        7.9	 	Section Headings	  	20
	        7.10	 	Integration	  	20
	        7.11	 	GOVERNING LAW	  	21
	        7.12	 	Submission To Jurisdiction; Waivers	  	21
	        7.13	 	Acknowledgements	  	21
	        7.14	 	Additional Grantors	  	22
	        7.15	 	Releases	  	22
	        7.16	 	WAIVER OF JURY TRIAL	  	22
		
	SCHEDULES	  	
			
	Schedule 1	 	Notice Addresses	  	
	Schedule 2	 	Investment Property	  	
	Schedule 3	 	Perfection Matters	  	
	Schedule 4	 	Jurisdictions of Organization and Chief Executive Offices	  	
	Schedule 5	 	Intellectual Property and Domain Names	  	

  

 ii 

 SECURITY AGREEMENT 
 SECURITY AGREEMENT, dated as of November 1, 2007, made by each of the signatories hereto (together with any other entity that may become a party hereto as provided herein, the “Grantors”), in
favor of Wells Fargo Bank, National Association, as Collateral Trustee (in such capacity, the “Collateral Trustee”) for the Holders under the Indenture dated as of November 1, 2007 (as amended, supplemented or otherwise
modified from time to time, the “Indenture”), among the Grantors and Wells Fargo Bank, National Association, as trustee. 
 WITNESSETH: 
 WHEREAS, pursuant to the Indenture, the Holders have agreed to purchase the Securities issued by the Company
upon the terms and subject to the conditions set forth therein, and the other Grantors have agreed to guarantee the obligations of the Company thereunder; 
 WHEREAS, it is a condition precedent to the obligation of the Holders to purchase the Securities that the Grantors shall have executed and delivered this Agreement to the Collateral Trustee for the ratable benefit of
the Secured Parties; 
 NOW, THEREFORE, in consideration of the premises and to induce the Holders to purchase the Securities, each Grantor
hereby agrees with the Collateral Trustee, for the ratable benefit of the Secured Parties, as follows: 
 SECTION 1. DEFINED TERMS

 1.1 Definitions. (a) Unless otherwise defined herein, terms defined in the Indenture and used herein shall have the meanings
given to them in the Indenture, and the following terms are used herein as defined in the New York UCC: Accounts, Certificated Security, Chattel Paper, Commercial Tort Claims, Documents, Equipment, Farm Products, General Intangibles, Instruments,
Inventory, Letter-of-Credit Rights, Securities Account and Supporting Obligations. 
 (b) The following terms shall have the following
meanings: 
 “Agreement”: this Security Agreement, as the same may be amended, supplemented or otherwise modified from time
to time. 
 “Collateral”: as defined in Section 2. 
 “Collateral Account”: any collateral account established by the Collateral Trustee as provided in Section 5.1 or
Section 5.4. 
 “Copyrights”: (i) all copyrights arising under the laws of the United States, any other
country or any political subdivision thereof, whether registered or unregistered and whether published or unpublished (including, without limitation, those listed in Schedule 5), all registrations and recordings thereof, and all applications
in connection therewith, including, without limitation, all registrations, recordings and applications in the United States Copyright Office, and (ii) the right to obtain all renewals thereof. 

 “Copyright Licenses”: any written agreement naming any Grantor as licensor or licensee
(including, without limitation, those listed in Schedule 5), granting any right under any Copyright, including, without limitation, the grant of rights to manufacture, distribute, exploit and sell materials derived from any Copyright.

 “Deposit Account”: as defined in the Uniform Commercial Code of any applicable jurisdiction and, in any event, including,
without limitation, any demand, time, savings, passbook or like account maintained with a depositary institution. 
 “Foreign
Subsidiary”: any Subsidiary organized under the laws of any jurisdiction outside the United States of America. 
 “Foreign
Subsidiary Voting Stock”: the voting Capital Stock of any Foreign Subsidiary. 
 “Grantor’s Obligations”:
(a) with respect to the Company, the Obligations, and (b) with respect to any Guarantor, its Guarantee Obligations. 
 “Intellectual Property”: the collective reference to all rights, priorities and privileges relating to intellectual property, whether arising under United States, multinational or foreign laws or otherwise, including,
without limitation, the Copyrights, the Copyright Licenses, the Patents, the Patent Licenses, the Trademarks and the Trademark Licenses, and all rights to sue at law or in equity for any infringement or other impairment thereof, including the right
to receive all proceeds and damages therefrom. 
 “Intercompany Note”: any promissory note evidencing loans made by any
Grantor to the Company or any of its Subsidiaries. 
 “Investment Property”: the collective reference to (i) all
“investment property” as such term is defined in Section 9-102(a)(49) of the New York UCC (other than any Foreign Subsidiary Voting Stock excluded from the definition of “Pledged Stock”) and (ii) whether or not
constituting “investment property” as so defined, all Pledged Notes and all Pledged Stock. 
 “Issuers”: the
collective reference to each issuer of any Investment Property. 
 “New York UCC”: the Uniform Commercial Code as from time
to time in effect in the State of New York. 
 “Patents”: (i) all letters patent of the United States, any other
country or any political subdivision thereof, all reissues and extensions thereof and all goodwill associated therewith, including, without limitation, any of the foregoing referred to in Schedule 5, (ii) all applications for letters
patent of the United States or any other country and all divisions, continuations and continuations-in-part thereof, including, without limitation, any of the foregoing referred to in Schedule 5, and (iii) all rights to obtain any
reissues or extensions of the foregoing. 
  

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 “Patent License”: all agreements, whether written or oral, providing for the grant by or
to any Grantor of any right to manufacture, use or sell any invention covered in whole or in part by a Patent, including, without limitation, any of the foregoing referred to in Schedule 5. 
 “Pledged Notes”: all promissory notes listed on Schedule 2, all Intercompany Notes at any time issued to any Grantor and all
other promissory notes issued to or held by any Grantor (other than promissory notes issued in connection with extensions of trade credit by any Grantor in the ordinary course of business). 
 “Pledged Stock”: the shares of Capital Stock listed on Schedule 2, together with any other shares, stock certificates, options,
interests or rights of any nature whatsoever in respect of the Capital Stock of any Person that may be issued or granted to, or held by, any Grantor while this Agreement is in effect; provided that in no event shall more than 66% of the total
outstanding Foreign Subsidiary Voting Stock of any Foreign Subsidiary be required to be pledged hereunder. 
 “Proceeds”:
all “proceeds” as such term is defined in Section 9-102(a)(64) of the New York UCC and, in any event, shall include, without limitation, all dividends or other income from the Investment Property, collections thereon or distributions
or payments with respect thereto. 
 “Receivable”: any right to payment for goods sold or leased or for services rendered,
whether or not such right is evidenced by an Instrument or Chattel Paper and whether or not it has been earned by performance (including, without limitation, any Account). 
 “Secured Parties”: the collective reference to the Collateral Trustee, the Trustee and the Holders. 
 “Securities Act”: the Securities Act of 1933, as amended. 
 “Trademarks”: (i) all trademarks, trade names, corporate names, company names, business names, domain names, fictitious business names, trade styles, service marks, logos and other source or
business identifiers, and all goodwill associated therewith, now existing or hereafter adopted or acquired, all registrations and recordings thereof, and all applications in connection therewith, whether in the United States Patent and Trademark
Office or in any similar office or agency of the United States, any State thereof or any other country or any political subdivision thereof, or otherwise, and all common-law rights related thereto, including, without limitation, any of the foregoing
referred to in Schedule 5, and (ii) the right to obtain all renewals thereof. 
 “Trademark License”: any
agreement, whether written or oral, providing for the grant by or to any Grantor of any right to use any Trademark, including, without limitation, any of the foregoing referred to in Schedule 5. 
 1.2 Other Definitional Provisions. (a) The words “hereof,” “herein”, “hereto” and “hereunder” and
words of similar import when used in this Agreement shall refer to this Agreement as a whole and not to any particular provision of this Agreement, and Section and Schedule references are to this Agreement unless otherwise specified. 
  

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 (b) The meanings given to terms defined herein shall be equally applicable to both the singular and
plural forms of such terms. 
 (c) Where the context requires, terms relating to the Collateral or any part thereof, when used in relation to
a Grantor, shall refer to such Grantor’s Collateral or the relevant part thereof. 
 (d) If any conflict or inconsistency exists between
this Agreement and the Indenture, the Indenture shall govern. 
 SECTION 2. GRANT OF SECURITY INTEREST 
 Each Grantor hereby assigns and transfers to the Collateral Trustee, and hereby grants to the Collateral Trustee, for the ratable benefit of the Secured
Parties, a security interest in, all of the following property now owned or at any time hereafter acquired by such Grantor or in which such Grantor now has or at any time in the future may acquire any right, title or interest (collectively, the
“Collateral”), as collateral security for the prompt and complete payment and performance when due (whether at the stated maturity, by acceleration or otherwise) of such Grantor’s Obligations: 
 (a) all Accounts; 
 (b) all Chattel Paper;

 (c) all Contracts; 
 (d) all
Deposit Accounts; 
 (e) all Documents; 
 (f) all Equipment; 
 (g) all Fixtures; 
 (h) all General Intangibles; 
 (i) all Instruments; 
 (j) all Intellectual Property; 
 (k) all
Inventory; 
 (l) all Investment Property; 
 (m) all Letter-of-Credit Rights; 
  

 4 

 (n) all other property not otherwise described above (except for any property specifically excluded from
any clause in this section above, and any property specifically excluded from any defined term used in any clause of this section above); 
 (o) all books and records pertaining to the Collateral; and 
 (p) to the extent not otherwise included, all Proceeds, Supporting
Obligations and products of any and all of the foregoing and all collateral security and guarantees given by any Person with respect to any of the foregoing; 
 provided, however, that notwithstanding any of the other provisions set forth in this Section 2, this Agreement shall not constitute a grant of a security interest (i) in any property to the extent that such grant of
a security interest is prohibited by any Requirements of Law of a Governmental Authority, requires a consent not obtained of any Governmental Authority pursuant to such Requirement of Law or is prohibited by, or constitutes a breach or default under
or results in the termination of or requires any consent not obtained under, any contract, license, agreement, instrument or other document evidencing or giving rise to such property or, in the case of any Investment Property, Pledged Stock or
Pledged Note, any applicable shareholder or similar agreement, except to the extent that such Requirement of Law or the term in such contract, license, agreement, instrument or other document or shareholder or similar agreement providing for such
prohibition, breach, default or termination or requiring such consent is ineffective under applicable law and (ii) in any intent-to-use application at the United States Patent and Trademark Office with respect to any Trademark to the extent an
assignment for security purposes would void the same. 
 SECTION 3. REPRESENTATIONS AND WARRANTIES 
 To induce each Holder to purchase the Securities, the Trustee to enter into the Indenture and the Collateral Trustee to enter into this Agreement, each
Grantor hereby represents and warrants to the Collateral Trustee and each other Secured Party (except that the representations in Section 3.1, Section 3.2(b), Section 3.4, Section 3.5,
Section 3.6, Section 3.7 and Section 3.8 of each of the Grantors listed on Schedule A hereto are made to the knowledge of the Company, NetScout Systems Security Corporation and NetScout Service Level
Corporation, based solely on the information made available to the Company, NetScout Systems Security Corporation and NetScout Service Level Corporation by such Grantors) that: 
 3.1 Title; No Other Liens. Except for the security interest granted to the Collateral Trustee for the ratable benefit of the Secured Parties
pursuant to this Agreement and the other Liens permitted to exist on the Collateral by the Indenture, such Grantor owns each item of the Collateral free and clear of any and all Liens or claims of others. No financing statement or other public
notice with respect to all or any part of the Collateral is on file or of record in any public office, except such as have been filed in favor of the Collateral Trustee, for the ratable benefit of the Secured Parties, pursuant to this Agreement or
as are permitted by the Indenture. For the avoidance of doubt, it is understood and agreed that any Grantor may, as part of its business, grant licenses to third parties to use Intellectual Property owned or developed by a Grantor. For purposes of
this Agreement and the Indenture, such licensing activity shall not constitute a “Lien” on such Intellectual Property. Each of the Collateral Trustee and each Holder understands that any such 

  

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licenses may be exclusive to the applicable licensees, and such exclusivity provisions may limit the ability of the Collateral Trustee to utilize, sell,
lease or transfer the related Intellectual Property or otherwise realize value from such Intellectual Property pursuant hereto. 
 3.2
Perfected First Priority Liens. The security interests granted by such Grantor pursuant to this Agreement (a) constitute valid perfected security interests in all of the Collateral as to which such Grantor has granted a security interest
hereunder in favor of the Collateral Trustee, for the ratable benefit of the Secured Parties, as collateral security for such Grantor’s Obligations, enforceable in accordance with the terms hereof against all creditors of such Grantor and any
Persons purporting to purchase any Collateral from such Grantor, to the extent a security interest in the Collateral can be perfected by taking the actions listed on Schedule 3 hereto and (b) are prior to all other Liens on the
Collateral as to which such Grantor has granted a security interest hereunder in existence on the date hereof except for Liens permitted by the Indenture which have priority over the Liens on the Collateral. 
 3.3 Jurisdiction of Organization; Chief Executive Office. On the date hereof, such Grantor’s jurisdiction of organization, identification
number from the jurisdiction of organization (if any), and the location of such Grantor’s chief executive office or sole place of business or principal residence, as the case may be, are specified on Schedule 4. Such Grantor has
furnished to the Collateral Trustee a certified charter, certificate of incorporation or other organization document and long-form good standing certificate as of a date which is recent to the date hereof. 
 3.4 Farm Products. None of the Collateral as to which such Grantor has granted a security interest hereunder constitutes, or is the Proceeds of,
Farm Products. 
 3.5 Investment Property. (a) The shares of Pledged Stock pledged by such Grantor hereunder constitute all the
issued and outstanding shares of all classes of the Capital Stock of each Issuer owned by such Grantor or, in the case of Foreign Subsidiary Voting Stock, if less, 66% of the outstanding Foreign Subsidiary Voting Stock of each relevant Issuer.

 (b) All the shares of the Pledged Stock pledged by such Grantor hereunder have been duly and validly issued and are fully paid and
nonassessable. 
 (c) Each of the Pledged Notes pledged by such Grantor hereunder constitutes the legal, valid and binding obligation of the
obligor with respect thereto, enforceable in accordance with its terms, subject to the effects of bankruptcy, insolvency, fraudulent conveyance, reorganization, moratorium and other similar laws relating to or affecting creditors’ rights
generally, general equitable principles (whether considered in a proceeding in equity or at law) and an implied covenant of good faith and fair dealing. 
 (d) Such Grantor is the record and beneficial owner of, and has good and marketable title to, the Pledged Stock pledged by it hereunder, free of any and all Liens or options in favor of, or claims of, any other
Person, except the security interest created by this Agreement. 
 (e) Such Grantor is the record and beneficial owner of, and has good and
marketable title to, the Investment Property, other than Pledged Stock referred to in Section 3.5(d), pledged by it hereunder, free of any and all Liens or options in favor of, or claims of, any other Person, except the security interest
created by this Agreement and Liens permitted by the Indenture. 
  

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 3.6 Receivables. (a) No amount payable to such Grantor under or in connection with any
Receivable is evidenced by any Instrument or Chattel Paper which has not been delivered to the Collateral Trustee. 
 (b) None of the obligors
on any Receivables owing to such Grantor is a Governmental Authority. 
 3.7 Intellectual Property. (a) Schedule 5 lists
all Copyrights, Copyright Licenses, domain names, Patents, Patent Licenses, Trademarks, and Trademark Licenses owned by such Grantor in its own name on the date hereof. 
 (b) On the date hereof, all material Intellectual Property owned by such Grantor is valid, subsisting, unexpired and enforceable, has not been abandoned and does not infringe the intellectual property rights of any
other Person. 
 (c) Except as set forth in Schedule 5, on the date hereof, none of the Intellectual Property owned by such Grantor is
the subject of any licensing or franchise agreement pursuant to which such Grantor is the licensor or franchisor. 
 (d) No holding, decision
or judgment has been rendered by any Governmental Authority which would limit, cancel or question the validity of, or such Grantor’s rights in, any Intellectual Property owned by such Grantor in any respect that could reasonably be expected to
have a Material Adverse Effect. 
 (e) Except as set forth on Schedule 5, no action or proceeding is pending, or, to the knowledge of
such Grantor, threatened, on the date hereof (i) seeking to limit, cancel or question the validity of any Intellectual Property owned by such Grantor or such Grantor’s ownership interest therein, or (ii) which, if adversely
determined, would have a material adverse effect on the value of any Intellectual Property owned by such Grantor. 
 3.8 Commercial Tort
Claims 
 (a) On the date hereof, such Grantor does not have any rights in any Commercial Tort Claim with a potential value in excess of
$100,000. 
 (b) Upon the filing of a financing statement covering any Commercial Tort Claim referred to in Section 4.9 hereof
against such Grantor in the jurisdiction specified in Schedule 3 hereto, the security interest granted in such Commercial Tort Claim will constitute a valid perfected security interest in favor of the Collateral Trustee, for the ratable
benefit of the Secured Parties, as collateral security for such Grantor’s Obligations, enforceable in accordance with the terms hereof against all creditors of such Grantor and any Persons purporting to purchase such Collateral from such
Grantor, which security interest shall be prior to all other Liens on such Collateral except for liens permitted by the Indenture which have priority over the Liens on such Collateral. 
  

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 SECTION 4. COVENANTS 
 Each Grantor covenants and agrees with the Collateral Trustee for the benefit of the Secured Parties that, from and after the date of this Agreement until the Grantor’s Obligations (other than inchoate indemnity
obligations) shall have been paid in full: 
 4.1 Delivery of Instruments, Certificated Securities and Chattel Paper. If any amount
payable under or in connection with any of the Collateral shall be or become evidenced by any Instrument, Certificated Security or Chattel Paper, such Instrument, Certificated Security or Chattel Paper shall be immediately delivered to the
Collateral Trustee, duly indorsed in a manner satisfactory to the Collateral Trustee, to be held as Collateral pursuant to this Agreement. 
 4.2 Maintenance of Insurance. (a) Such Grantor will maintain, with financially sound and reputable companies, insurance policies (i) insuring the Inventory and Equipment against loss by fire, explosion, theft and such other
casualties as is customary for companies of the same industry and geographic region and (ii) insuring such Grantor, the Collateral Trustee and the Secured Parties against liability for personal injury and property damage relating to such
Inventory and Equipment, such policies to be in such form and amounts and having such coverage as is customary for companies of the same industry and geographic region. 
 (b) All such insurance shall (i) provide that no cancellation, material reduction in amount or material change in coverage thereof shall be effective until at least 30 days after receipt by the Collateral Trustee
of written notice thereof, (ii) name the Collateral Trustee as insured party or loss payee and (iii) include a breach of warranty clause. 
 (c) The Company shall deliver to the Collateral Trustee a report of a reputable insurance broker with respect to such insurance substantially concurrently with each delivery of the Company’s audited annual financial statements.

 4.3 Payment of Obligations. Such Grantor will pay and discharge or otherwise satisfy at or before maturity or before they become
delinquent, as the case may be, all taxes, assessments and governmental charges or levies imposed upon the Collateral or in respect of income or profits therefrom, as well as all claims of any kind (including, without limitation, claims for labor,
materials and supplies) against or with respect to the Collateral, except that no such charge need be paid if the amount or validity thereof is currently being contested in good faith by appropriate proceedings, reserves in conformity with GAAP with
respect thereto have been provided on the books of such Grantor and such proceedings could not reasonably be expected to result in the sale, forfeiture or loss of any material portion of the Collateral or any interest therein. 
 4.4 Maintenance of Perfected Security Interest; Further Documentation. (a) To the extent a security interest in the Collateral can be
perfected by taking the actions listed on Schedule 3 hereto, such Grantor shall maintain the security interest created by this Agreement as a perfected security interest having at least the priority described in Section 3.2 and
shall defend such security interest against the claims and demands of all Persons whomsoever, subject to the rights of such Grantor under the Indenture to dispose of the Collateral. 
  

 8 

 (b) Such Grantor will furnish any time and from time to time to the Collateral Trustee, upon request to
the Collateral Trustee by Holders (as defined in the Indenture) of at least ten percent (10%) in principal amount of outstanding Securities, statements and schedules further identifying and describing the assets and property of such Grantor,
all in reasonable detail. 
 (c) Such Grantor will promptly and duly execute and deliver, and have recorded, such further instruments and
documents and take such further actions as necessary to obtain or preserve the full benefits of this Agreement and of the rights and powers herein granted, including, without limitation, (i) filing any financing or continuation statements under
the Uniform Commercial Code (or other similar laws) in effect in any jurisdiction with respect to the security interests created hereby and (ii) in the case of Investment Property, Deposit Accounts, Letter-of-Credit Rights and any other
relevant Collateral, taking any actions necessary to enable the Collateral Trustee to obtain “control” (within the meaning of the applicable Uniform Commercial Code) with respect thereto. The Collateral Trustee agrees that it will not send
a notice of exclusive control or otherwise exercise control regarding any Grantor’s Deposit Account or Securities Account unless an Event of Default shall have occurred and be continuing. 
 4.5 Changes in Name, etc. Such Grantor will not, except upon 15 days’ prior written notice to the Collateral Trustee and delivery to the
Collateral Trustee of all additional executed financing statements and other documents reasonably requested by the Collateral Trustee to maintain the validity, perfection and priority of the security interests provided for herein, (i) change
its jurisdiction of organization or the location of its chief executive office or sole place of business or principal residence from that referred to in Section 3.3 or (ii) change its name. 
 4.6 Notices. Such Grantor will advise the Collateral Trustee in writing, in reasonable detail, of: 
 (a) any Lien (other than security interests created hereby or Liens permitted under the Indenture) on any of the Collateral which would adversely affect
the ability of the Collateral Trustee to exercise any of its remedies hereunder; and 
 (b) of the occurrence of any other event which could
reasonably be expected to have a material adverse effect on the aggregate value of the Collateral or on the security interests created hereby. 
 4.7 Investment Property. (a) If such Grantor shall become entitled to receive or shall receive any certificate (including, without limitation, any certificate representing a dividend or a distribution in connection with any
reclassification, increase or reduction of capital or any certificate issued in connection with any reorganization), option or rights in respect of the Capital Stock of any Issuer, whether in addition to, in substitution of, as a conversion of, or
in exchange for, any shares of the Pledged Stock, or otherwise in respect thereof, such Grantor shall accept the same as the agent of the Collateral Trustee, hold the same in trust for the Collateral Trustee and deliver the same forthwith to the
Collateral Trustee in the exact form received, duly indorsed by such Grantor to the Collateral Trustee, together with an undated stock power covering such certificate duly executed in blank by such Grantor and with signature guaranteed, to be held
by the Collateral Trustee, subject to the terms hereof, as additional collateral security for such Grantor’s Obligations. Any sums paid upon or in respect of the Investment Property upon the liquidation or dissolution of any Issuer 

  

 9 

 
shall be paid over to the Collateral Trustee to be held by it hereunder as additional collateral security for such Grantor’s Obligations, and in case
any distribution of capital shall be made on or in respect of the Investment Property or any property shall be distributed upon or with respect to the Investment Property pursuant to the recapitalization or reclassification of the capital of any
Issuer or pursuant to the reorganization thereof, the property so distributed shall, unless otherwise subject to a perfected security interest in favor of the Collateral Trustee, be delivered to the Collateral Trustee to be held by it hereunder as
additional collateral security for such Grantor’s Obligations. If any sums of money or property so paid or distributed in respect of the Investment Property shall be received by such Grantor, such Grantor shall, until such money or property is
paid or delivered to the Collateral Trustee, hold such money or property in trust for the Collateral Trustee, segregated from other funds of such Grantor, as additional collateral security for such Grantor’s Obligations. 
 (b) Such Grantor will not (i) sell, assign, transfer, exchange, or otherwise dispose of, or grant any option with respect to, the Investment
Property or Proceeds thereof (except pursuant to a transaction expressly permitted by the Indenture), (ii) create, incur or permit to exist any Lien or option in favor of, or any claim of any Person with respect to, any of the Pledged Stock or
Proceeds thereof, or any interest therein, except for the security interests created by this Agreement, (ii) create, incur or permit to exist any Lien or option in favor of, or any claim of any Person with respect to, any of the Investment
Property (other than the Pledged Stock) or Proceeds thereof, or any interest therein, except for the security interests created by this Agreement and Liens permitted by the Indenture, or (iv) after the date hereof, enter into any agreement or
undertaking restricting the right or ability of such Grantor or the Collateral Trustee to sell, assign or transfer any of the Investment Property or Proceeds thereof, except the Loan Documents (as defined in the Intercreditor Agreement) and any
refinancing, refunding, renewal or extension of the indebtedness evidenced thereby so long as the same is permitted by the Indenture. 
 (c)
In the case of each Grantor which is an Issuer, such Issuer agrees that (i) it will be bound by the terms of this Agreement relating to the Investment Property issued by it and will comply with such terms insofar as such terms are applicable to
it, (ii) it will notify the Collateral Trustee promptly in writing of the occurrence of any of the events described in Section 4.7(a) with respect to the Investment Property issued by it and (iii) the terms of
Section 5.3(c) and Section 5.7 shall apply to it, mutatis mutandis, with respect to all actions that may be required of it pursuant to Section 5.3(c) or Section 5.7 with respect to the
Investment Property issued by it. 
 4.8 Intellectual Property. (a) Such Grantor (either itself or through licensees) will
(i) continue to use each material Trademark on each and every trademark class of goods applicable to its current line as reflected in its current catalogs, brochures and price lists in order to maintain such Trademark in full force free from
any claim of abandonment for non-use, (ii) maintain as in the past the quality of products and services offered under such Trademark, (iii) use such Trademark with the appropriate notice of registration and all other notices and legends
required by applicable Requirements of Law, (iv) not adopt or use any mark which is confusingly similar or a colorable imitation of such Trademark unless the Collateral Trustee, for the ratable benefit of the Secured Parties, shall obtain a
perfected security interest in such mark pursuant to this Agreement, and (v) not (and not permit any licensee or sublicensee thereof to) do any act or knowingly omit to do any act whereby such Trademark may become invalidated or impaired in any
way. 
  

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 (b) Such Grantor (either itself or through licensees) will not do any act, or omit to do any act, whereby
any material Patent may become forfeited, abandoned or dedicated to the public. 
 (c) Such Grantor (either itself or through licensees)
(i) will employ each material Copyright and (ii) will not (and will not permit any licensee or sublicensee thereof to) do any act or knowingly omit to do any act whereby any material portion of the Copyrights may become invalidated or
otherwise impaired. Such Grantor will not (either itself or through licensees) do any act whereby any material portion of the Copyrights may fall into the public domain. 
 (d) Such Grantor (either itself or through licensees) will not do any act that knowingly uses any material Intellectual Property to infringe the intellectual property rights of any other Person. 
 (e) Such Grantor will immediately notify the Collateral Trustee in writing if it knows, or has reason to know, that any application or registration
relating to any material Intellectual Property may become forfeited, abandoned or dedicated to the public, or of any adverse determination or development (including, without limitation, the institution of, or any such determination or development
in, any proceeding in the United States Patent and Trademark Office, the United States Copyright Office or any court or tribunal in any country) regarding such Grantor’s ownership of, or the validity of, any material Intellectual Property or
such Grantor’s right to register the same or to own and maintain the same. 
 (f) Whenever such Grantor, either by itself or through any
agent, employee, licensee or designee, shall file an application for the registration of any Intellectual Property with the United States Patent and Trademark Office, the United States Copyright Office or any similar office or agency in any other
country or any political subdivision thereof, such Grantor shall report such filing to the Collateral Trustee within five Business Days after the last day of the fiscal quarter in which such filing occurs. Such Grantor shall execute and deliver, and
have recorded, any and all agreements, instruments, documents, and papers as is necessary to evidence the Collateral Trustee’s security interest in any Copyright, Patent or Trademark and the goodwill and general intangibles of such Grantor
relating thereto or represented thereby. 
 (g) Such Grantor will take all reasonable and necessary steps, including, without limitation, in
any proceeding before the United States Patent and Trademark Office, the United States Copyright Office or any similar office or agency in any other country or any political subdivision thereof, to maintain and pursue each application (and to obtain
the relevant registration) and to maintain each registration of the material Intellectual Property, including, without limitation, filing of applications for renewal, affidavits of use and affidavits of incontestability. 
 (h) In the event that such Grantor becomes aware that any material Intellectual Property is infringed, misappropriated or diluted by a third party, such
Grantor shall (i) take such actions as such Grantor shall reasonably deem appropriate under the circumstances to 

  

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protect such Intellectual Property and (ii) if such Intellectual Property is of material economic value, promptly notify the Collateral Trustee after it
learns thereof and sue for infringement, misappropriation or dilution, to seek injunctive relief where appropriate and to recover any and all damages for such infringement, misappropriation or dilution. 
 4.9 Commercial Tort Claims. If such Grantor shall obtain an interest in any Commercial Tort Claim with a potential value in excess of $100,000,
such Grantor shall within 30 days of obtaining such interest sign and deliver documentation to the Collateral Trustee granting a security interest under the terms and provisions of this Agreement in and to such Commercial Tort Claim. 
 SECTION 5. REMEDIAL PROVISIONS 
 5.1
Certain Matters Relating to Receivables. (a) Upon the request by to the Collateral Trustee by Holders (as defined in the Indenture) of at least ten percent (10%) in principal amount of outstanding Securities, the Collateral Trustee
shall have the right to make test verifications of the Receivables in any manner and through any medium that it reasonably considers advisable, and each Grantor shall furnish all such assistance and information as the Collateral Trustee may require
in connection with such test verifications. At any time and from time to time upon the request to the Collateral Trustee by Holders (as defined in the Indenture) of at least ten percent (10%) in principal amount of outstanding Securities, the
Collateral Trustee may request and at the expense of the relevant Grantor, such Grantor shall cause independent public accountants or others satisfactory to the Collateral Trustee to furnish to the Collateral Trustee reports showing reconciliations,
aging and test verifications of, and trial balances for, the Receivables. 
 (b) The Collateral Trustee hereby authorizes each Grantor to
collect such Grantor’s Receivables, subject to the Collateral Trustee’s direction and control, and the Collateral Trustee may curtail or terminate said authority at any time after the occurrence and during the continuance of an Event of
Default. If required by the Collateral Trustee at any time after the occurrence and during the continuance of an Event of Default, any payments of Receivables, when collected by any Grantor, (i) shall be forthwith (and, in any event, within two
Business Days) deposited by such Grantor in the exact form received, duly indorsed by such Grantor to the Collateral Trustee if required, in a Collateral Account maintained under the sole dominion and control of the Collateral Trustee, subject to
withdrawal by the Collateral Trustee for the account of the Secured Parties only as provided in Section 5.5, and (ii) until so turned over, shall be held by such Grantor in trust for the Collateral Trustee and the Secured Parties,
segregated from other funds of such Grantor. Each such deposit of Proceeds of Receivables shall be accompanied by a report identifying in reasonable detail the nature and source of the payments included in the deposit. 
 (c) Upon the request to the Collateral Trustee by Holders (as defined in the Indenture) of at least ten percent (10%) in principal amount of
outstanding Securities, at the Collateral Trustee’s request, each Grantor shall deliver to the Collateral Trustee all original and other documents evidencing, and relating to, the agreements and transactions which gave rise to the Receivables,
including, without limitation, all original orders, invoices and shipping receipts. 
  

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 5.2 Communications with Obligors; Grantors Remain Liable. (a) The Collateral Trustee in its
own name or in the name of others may at any time after the occurrence and during the continuance of an Event of Default communicate with obligors under the Receivables to verify with them to the Collateral Trustee’s satisfaction the existence,
amount and terms of any Receivables. 
 (b) Upon the request of the Collateral Trustee at any time after the occurrence and during the
continuance of an Event of Default, each Grantor shall notify obligors on the Receivables that the Receivables have been assigned to the Collateral Trustee for the ratable benefit of the Secured Parties and that payments in respect thereof shall be
made directly to the Collateral Trustee. 
 (c) Anything herein to the contrary notwithstanding, each Grantor shall remain liable under each
of the Receivables to observe and perform all the conditions and obligations to be observed and performed by it thereunder, all in accordance with the terms of any agreement giving rise thereto. The Collateral Trustee shall have no any obligation or
liability under any Receivable (or any agreement giving rise thereto) by reason of or arising out of this Agreement or the receipt by the Collateral Trustee of any payment relating thereto, nor shall the Collateral Trustee be obligated in any manner
to perform any of the obligations of any Grantor under or pursuant to any Receivable (or any agreement giving rise thereto), to make any payment, to make any inquiry as to the nature or the sufficiency of any payment received by it or as to the
sufficiency of any performance by any party thereunder, to present or file any claim, to take any action to enforce any performance or to collect the payment of any amounts which may have been assigned to it or to which it may be entitled at any
time or times. 
 5.3 Pledged Stock. (a) Unless an Event of Default shall have occurred and be continuing and the Collateral
Trustee shall have given notice to the relevant Grantor of the Collateral Trustee’s intent to exercise its corresponding rights pursuant to Section 5.3(b), each Grantor shall be permitted to receive all cash dividends paid in
respect of the Pledged Stock and all payments made in respect of the Pledged Notes, in each case paid in the normal course of business of the relevant Issuer and consistent with past practice, to the extent not prohibited by the Indenture, and to
exercise all voting and corporate or other organizational rights with respect to the Investment Property; provided, however, that no vote shall be cast or corporate or other organizational right exercised or other action taken which would impair the
Collateral or which would be inconsistent with or result in any violation of any provision of the Indenture or this Agreement. 
 (b) If an
Event of Default shall occur and be continuing and the Collateral Trustee shall give written notice of its intent to exercise such rights to the relevant Grantor or Grantors, (i) the Collateral Trustee shall have the right to receive any and
all cash dividends, payments or other Proceeds paid in respect of the Investment Property and make application thereof to the Grantor’s Obligations in such order as the Collateral Trustee may determine, and (ii) any or all of the
Investment Property shall be registered in the name of the Collateral Trustee or its nominee, and the Collateral Trustee or its nominee may thereafter exercise (x) all voting, corporate and other rights pertaining to such Investment Property at
any meeting of shareholders of the relevant Issuer or Issuers or otherwise and (y) any and all rights of conversion, exchange and subscription and any other rights, privileges or options pertaining to such Investment Property as if it were the
absolute owner thereof (including, without limitation, the right to exchange at its discretion 

  

 13 

 
any and all of the Investment Property upon the merger, consolidation, reorganization, recapitalization or other fundamental change in the corporate or other
organizational structure of any Issuer, or upon the exercise by any Grantor or the Collateral Trustee of any right, privilege or option pertaining to such Investment Property, and in connection therewith, the right to deposit and deliver any and all
of the Investment Property with any committee, depositary, transfer agent, registrar or other designated agency upon such terms and conditions as the Collateral Trustee may determine), all without liability except to account for property actually
received by it, but the Collateral Trustee shall have no duty to any Grantor to exercise any such right, privilege or option and shall not be responsible for any failure to do so or delay in so doing. 
 (c) Each Grantor hereby authorizes and instructs each Issuer of any Investment Property pledged by such Grantor hereunder to (i) comply with any
instruction received by it from the Collateral Trustee in writing that (x) states that an Event of Default has occurred and is continuing and (y) is otherwise in accordance with the terms of this Agreement, without any other or further
instructions from such Grantor, and each Grantor agrees that each Issuer shall be fully protected in so complying, and (ii) unless otherwise expressly permitted hereby, pay any dividends or other payments with respect to the Investment Property
directly to the Collateral Trustee. 
 5.4 Proceeds to be Turned Over To Collateral Trustee. In addition to the rights of the
Collateral Trustee specified in Section 5.1 with respect to payments of Receivables, if an Event of Default shall occur and be continuing, all Proceeds received by any Grantor consisting of cash, checks and other near-cash items shall be
held by such Grantor in trust for the Collateral Trustee, segregated from other funds of such Grantor, and shall, forthwith upon receipt by such Grantor, be turned over to the Collateral Trustee in the exact form received by such Grantor (duly
indorsed by such Grantor to the Collateral Trustee, if required). All Proceeds received by the Collateral Trustee hereunder shall be held by the Collateral Trustee in a Collateral Account maintained under its sole dominion and control. All Proceeds
while held by the Collateral Trustee in a Collateral Account (or by such Grantor in trust for the Collateral Trustee) shall continue to be held as collateral security for all the Grantor’s Obligations and shall not constitute payment thereof
until applied as provided in Section 5.5. 
 5.5 Application of Proceeds. The Collateral Trustee may apply all or any part
of Proceeds constituting Collateral, whether or not held in any Collateral Account, in accordance with the provisions of the Indenture. Any balance of such Proceeds remaining after the Grantor’s Obligations have been paid in full shall be paid
over in accordance with applicable law. 
 5.6 Code and Other Remedies. If an Event of Default shall occur and be continuing, the
Collateral Trustee, on behalf of the Secured Parties, may exercise, in addition to all other rights and remedies granted to it in this Agreement and in any other instrument or agreement securing, evidencing or relating to the Grantor’s
Obligations, all rights and remedies of a secured party under the New York UCC or any other applicable law. Without limiting the generality of the foregoing, the Collateral Trustee, without demand of performance or other demand, presentment,
protest, advertisement or notice of any kind (except any notice required by law 

  

 14 

 
referred to below) to or upon any Grantor or any other Person (all and each of which demands, defenses, advertisements and notices are hereby waived), may in
such circumstances forthwith collect, receive, appropriate and realize upon the Collateral, or any part thereof, and/or may forthwith sell, lease, assign, give option or options to purchase, or otherwise dispose of and deliver the Collateral or any
part thereof (or contract to do any of the foregoing), in one or more parcels at public or private sale or sales, at any exchange, broker’s board or office of the Collateral Trustee or elsewhere upon such terms and conditions as it may deem
advisable and at such prices as it may deem best, for cash or on credit or for future delivery without assumption of any credit risk. The Collateral Trustee shall have the right upon any such public sale or sales, and, to the extent permitted by
law, upon any such private sale or sales, to purchase the whole or any part of the Collateral so sold, free of any right or equity of redemption in any Grantor, which right or equity is hereby waived and released. Each Grantor further agrees, at the
Collateral Trustee’s request, to assemble the Collateral and make it available to the Collateral Trustee at places which the Collateral Trustee shall reasonably select, whether at such Grantor’s premises or elsewhere. The Collateral
Trustee shall apply the net proceeds of any action taken by it pursuant to this Section 5.6, after deducting all reasonable costs and expenses of every kind incurred in connection therewith or incidental to the care or safekeeping of any
of the Collateral or in any way relating to the Collateral or the rights of the Collateral Trustee and the Secured Parties hereunder, including, without limitation, reasonable attorneys’ fees and disbursements, to the payment in whole or in
part of the Grantor’s Obligations, in such order as the Collateral Trustee may elect, and only after such application and after the payment by the Collateral Trustee of any other amount required by any provision of law, including, without
limitation, Section 9-615(a)(3) of the New York UCC, need the Collateral Trustee account for the surplus, if any, to any Grantor. To the extent permitted by applicable law, each Grantor waives all claims, damages and demands it may acquire
against the Collateral Trustee arising out of the exercise by it of any rights hereunder. If any notice of a proposed sale or other disposition of Collateral shall be required by law, such notice shall be deemed reasonable and proper if given at
least 10 days before such sale or other disposition. 
 5.7 Registration Rights. (a) If the Collateral Trustee shall determine to
exercise its right to sell any or all of the Pledged Stock pursuant to Section 5.6, and if it is necessary or advisable to have the Pledged Stock, or that portion thereof to be sold, registered under the provisions of the Securities Act,
the relevant Grantor will, if it has the right to do so where the Issuer is not also a Grantor, cause the Issuer thereof to (i) execute and deliver, and cause the directors and officers of such Issuer to execute and deliver, all such
instruments and documents, and do or cause to be done all such other acts as may be, in the opinion of the Collateral Trustee, necessary or advisable to register the Pledged Stock, or that portion thereof to be sold, under the provisions of the
Securities Act, (ii) use its best efforts to cause the registration statement relating thereto to become effective and to remain effective for a period of one year from the date of the first public offering of the Pledged Stock, or that portion
thereof to be sold, and (iii) make all amendments thereto and/or to the related prospectus which, in the opinion of the Collateral Trustee, are necessary or advisable, all in conformity with the requirements of the Securities Act and the rules
and regulations of the Securities and Exchange Commission applicable thereto. Each Grantor agrees, if it has the right to do so where the Issuer is not also a Grantor, to cause such Issuer to comply with the provisions of the securities or
“Blue Sky” laws of any and all jurisdictions which the Collateral Trustee shall designate and to make available to its security holders, as soon as practicable, an earnings statement (which need not be audited) which will satisfy the
provisions of Section 11(a) of the Securities Act. 
  

 15 

 (b) Each Grantor recognizes that the Collateral Trustee may be unable to effect a public sale of any or
all the Pledged Stock, by reason of certain prohibitions contained in the Securities Act and applicable state securities laws or otherwise, and may be compelled to resort to one or more private sales thereof to a restricted group of purchasers which
will be obliged to agree, among other things, to acquire such securities for their own account for investment and not with a view to the distribution or resale thereof. Each Grantor acknowledges and agrees that any such private sale may result in
prices and other terms less favorable than if such sale were a public sale and, notwithstanding such circumstances, agrees that any such private sale shall be deemed to have been made in a commercially reasonable manner. The Collateral Trustee shall
be under no obligation to delay a sale of any of the Pledged Stock for the period of time necessary to permit the Issuer thereof to register such securities for public sale under the Securities Act, or under applicable state securities laws, even if
such Issuer would agree to do so. 
 (c) Each Grantor agrees to use its best efforts to do or cause to be done all such other acts as may be
necessary to make such sale or sales of all or any portion of the Pledged Stock pursuant to this Section 5.7 valid and binding and in compliance with any and all other applicable Requirements of Law. Each Grantor further agrees that a
breach of any of the covenants contained in this Section 5.7 will cause irreparable injury to the Collateral Trustee and the Secured Parties, that the Collateral Trustee and the Secured Parties have no adequate remedy at law in respect
of such breach and, as a consequence, that each and every covenant contained in this Section 5.7 shall be specifically enforceable against such Grantor, and such Grantor hereby waives and agrees not to assert any defenses against an
action for specific performance of such covenants except for a defense that no Event of Default has occurred under the Indenture. 
 5.8
Subordination. Each Grantor hereby agrees that, upon the occurrence and during the continuance of an Event of Default, all Indebtedness owing by it to any Subsidiary of the Company shall be fully subordinated to the indefeasible payment in
full in cash of such Grantor’s Obligations. 
 5.9 Deficiency. Each Grantor shall remain liable for any deficiency if the
proceeds of any sale or other disposition of the Collateral are insufficient to pay its Grantor’s Obligations and the reasonable fees and disbursements of any attorneys employed by the Collateral Trustee to collect such deficiency. 

SECTION 6. THE COLLATERAL TRUSTEE 
 6.1 Collateral Trustee’s Appointment as Attorney-in-Fact, etc. (a) Each Grantor hereby irrevocably constitutes and appoints the Collateral Trustee and any officer or agent thereof, with full power of substitution, as its
true and lawful attorney-in-fact with full irrevocable power and authority in the place and stead of such Grantor and in the name of such Grantor or in its own name, for the purpose of carrying out the terms of this Agreement, to take any and all
appropriate action and to execute any and all documents and instruments which may be necessary or desirable to accomplish the purposes of this Agreement, and, without limiting the generality of the foregoing, each Grantor hereby gives the Collateral
Trustee the power and right, on behalf of such Grantor, without notice to or assent by such Grantor, to do any or all of the following: 
  

 16 

 (i) in the name of such Grantor or its own name, or otherwise, take possession of and
indorse and collect any checks, drafts, notes, acceptances or other instruments for the payment of moneys due under any Receivable or with respect to any other Collateral and file any claim or take any other action or proceeding in any court of law
or equity or otherwise deemed appropriate by the Collateral Trustee for the purpose of collecting any and all such moneys due under any Receivable or with respect to any other Collateral whenever payable; 
 (ii) in the case of any Intellectual Property, execute and deliver, and have recorded, any and all agreements, instruments, documents and
papers as the Collateral Trustee may request to evidence the Collateral Trustee’s and the Secured Parties’ security interest in such Intellectual Property and the goodwill and general intangibles of such Grantor relating thereto or
represented thereby; 
 (iii) pay or discharge taxes and Liens levied or placed on or threatened against the Collateral,
effect any repairs or any insurance called for by the terms of this Agreement and pay all or any part of the premiums therefor and the costs thereof; 
 (iv) execute, in connection with any sale provided for in Section 5.6 or Section 5.7, any indorsements, assignments or other instruments of conveyance or transfer with respect to the
Collateral; and 
 (v) (1) direct any party liable for any payment under any of the Collateral to make payment of any and all
moneys due or to become due thereunder directly to the Collateral Trustee or as the Collateral Trustee shall direct; (2) ask or demand for, collect, and receive payment of and receipt for, any and all moneys, claims and other amounts due or to
become due at any time in respect of or arising out of any Collateral; (3) sign and indorse any invoices, freight or express bills, bills of lading, storage or warehouse receipts, drafts against debtors, assignments, verifications, notices and
other documents in connection with any of the Collateral; (4) commence and prosecute any suits, actions or proceedings at law or in equity in any court of competent jurisdiction to collect the Collateral or any portion thereof and to enforce
any other right in respect of any Collateral; (5) defend any suit, action or proceeding brought against such Grantor with respect to any Collateral; (6) settle, compromise or adjust any such suit, action or proceeding and, in connection
therewith, give such discharges or releases as the Collateral Trustee may deem appropriate; (7) assign any Copyright, Patent or Trademark (along with the goodwill of the business to which any such Copyright, Patent or Trademark pertains),
throughout the world for such term or terms, on such conditions, and in such manner, as the Collateral Trustee shall in its sole discretion determine; and (8) generally, sell, transfer, pledge and make any agreement with respect to or otherwise
deal with any of the Collateral as fully and completely as though the Collateral Trustee were the absolute owner thereof for all purposes, and do, at the Collateral Trustee’s option and such Grantor’s expense, at any time, or from time to
time, all acts and things which the Collateral Trustee deems necessary to protect, preserve or realize upon the Collateral and the Collateral Trustee’s security interests therein and to effect the intent of this Agreement, all as fully and
effectively as such Grantor might do. 
  

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 Anything in this Section 6.1(a) to the contrary notwithstanding, the Collateral Trustee agrees that it will
not exercise any rights under the power of attorney provided for in this Section 6.1(a) unless an Event of Default shall have occurred and be continuing. 
 (b) If any Grantor fails to perform or comply with any of its agreements contained herein, the Collateral Trustee, at its option, but without any obligation so to do, may perform or comply, or otherwise cause
performance or compliance, with such agreement. 
 (c) The expenses of the Collateral Trustee incurred in connection with actions undertaken
as provided in this Section 6.1, together with interest thereon at a rate per annum equal to the highest rate per annum at which interest would then be payable on any past due Securities under the Indenture, from the date of payment by
the Collateral Trustee to the date reimbursed by the relevant Grantor, shall be payable by such Grantor to the Collateral Trustee on demand. 
 (d) Each Grantor hereby ratifies all that said attorneys shall lawfully do or cause to be done by virtue hereof. All powers, authorizations and agencies contained in this Agreement are coupled with an interest and are irrevocable until this
Agreement is terminated and the security interests created hereby are released. 
 6.2 Duty of Collateral Trustee. The Collateral
Trustee’s sole duty with respect to the custody, safekeeping and physical preservation of the Collateral in its possession, under Section 9-207 of the New York UCC or otherwise, shall be to deal with it in the same manner as the Collateral
Trustee deals with similar property for its own account. Neither the Collateral Trustee nor any of its officers, directors, employees or agents shall be liable for failure to demand, collect or realize upon any of the Collateral or for any delay in
doing so or shall be under any obligation to sell or otherwise dispose of any Collateral upon the request of any Grantor or any other Person or to take any other action whatsoever with regard to the Collateral or any part thereof. The powers
conferred on the Collateral Trustee hereunder are solely to protect the Collateral Trustee’s interests in the Collateral and shall not impose any duty upon the Collateral Trustee to exercise any such powers. The Collateral Trustee shall be
accountable only for amounts that it actually receives as a result of the exercise of such powers, and neither it nor any of its officers, directors, employees or agents shall be responsible to any Grantor for any act or failure to act hereunder,
except for their own gross negligence or willful misconduct. 
 6.3 Execution of Financing Statements. Pursuant to any applicable law,
each Grantor authorizes the Collateral Trustee to file or record financing statements and other filing or recording documents or instruments with respect to the Collateral without the signature of such Grantor in such form and in such offices as the
Collateral Trustee determines appropriate to perfect the security interests of the Collateral Trustee under this Agreement. Each Grantor authorizes the Collateral Trustee to use the collateral description “all personal property” in any
such financing statements. Notwithstanding the foregoing authorization, the Collateral Trustee shall not be responsible for recording or filing or re-recording or re-filing any mortgage or financing or continuation statements or recording or
re-recording any documents or instruments in any public office at any time or times or otherwise perfecting or maintaining the perfection of any lien or security interest in any of the Collateral. All such obligations shall be the obligations of the
Grantors. 
  

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 6.4 Authority of Collateral Trustee. Each Grantor acknowledges that the rights and
responsibilities of the Collateral Trustee under this Agreement with respect to any action taken by the Collateral Trustee or the exercise or non-exercise by the Collateral Trustee of any option, voting right, request, judgment or other right or
remedy provided for herein or resulting or arising out of this Agreement shall, as between the Collateral Trustee and the Secured Parties, be governed by the Indenture and by such other agreements with respect thereto as may exist from time to time
among them, but, as between the Collateral Trustee and the Grantors, the Collateral Trustee shall be conclusively presumed to be acting as agent for the Secured Parties with full and valid authority so to act or refrain from acting, and no Grantor
shall be under any obligation, or entitlement, to make any inquiry respecting such authority. 
 SECTION 7. MISCELLANEOUS 
 7.1 Amendments in Writing. None of the terms or provisions of this Agreement may be waived, amended, supplemented or otherwise modified except in
accordance with Article 9 of the Indenture. 
 7.2 Notices. All notices, requests and demands to or upon the Collateral Trustee or any
Grantor hereunder shall be effected in the manner provided for in Section 12.02 of the Indenture (which address is also set forth on Schedule 1). 
 7.3 No Waiver by Course of Conduct; Cumulative Remedies. Neither the Collateral Trustee nor any Secured Party shall by any act (except by a written instrument pursuant to Section 7.1), delay,
indulgence, omission or otherwise be deemed to have waived any right or remedy hereunder or to have acquiesced in any Default or Event of Default. No failure to exercise, nor any delay in exercising, on the part of the Collateral Trustee or any
Secured Party, any right, power or privilege hereunder shall operate as a waiver thereof. No single or partial exercise of any right, power or privilege hereunder shall preclude any other or further exercise thereof or the exercise of any other
right, power or privilege. A waiver by the Collateral Trustee or any Secured Party of any right or remedy hereunder on any one occasion shall not be construed as a bar to any right or remedy which the Collateral Trustee or such Secured Party would
otherwise have on any future occasion. The rights and remedies herein provided are cumulative, may be exercised singly or concurrently and are not exclusive of any other rights or remedies provided by law. 
 7.4 Enforcement Expenses; Indemnification. (a) Each Grantor agrees to pay or reimburse the Collateral Trustee for all its costs and expenses
incurred in enforcing or preserving any rights under this Agreement, including, without limitation, the reasonable fees and disbursements of counsel (including the allocated fees and expenses of in-house counsel) to the Collateral Trustee.

  

 19 

 (b) Each Grantor agrees to pay, and to save the Collateral Trustee and the Secured Parties harmless from,
any and all liabilities with respect to, or resulting from any delay in paying, any and all stamp, excise, sales or other similar taxes which may be payable or determined to be payable with respect to any of the Collateral or in connection with any
of the transactions contemplated by this Agreement. 
 (c) The agreements in this Section 7.4 shall survive repayment of the
Grantor’s Obligations and all other amounts payable under the Indenture and the other Indenture Documents. 
 7.5 Successors and
Assigns. This Agreement shall be binding upon the successors and assigns of each Grantor and shall inure to the benefit of the Collateral Trustee and the Secured Parties and their successors and assigns; provided that no Grantor may assign,
transfer or delegate any of its rights or obligations under this Agreement without the prior written consent of the Collateral Trustee. 
 7.6 Set-Off. In addition to any rights and remedies of the Collateral Trustee provided by law, the Collateral Trustee shall have the right, without notice to any Grantor, any such notice being expressly waived by each Grantor to the
extent permitted by applicable law, upon any Grantor’s Obligations becoming due and payable by any Grantor (whether at the stated maturity, by acceleration or otherwise), to apply to the payment of such Grantor’s Obligations, by setoff or
otherwise, any and all deposits (general or special, time or demand, provisional or final), in any currency, and any other credits, indebtedness or claims, in any currency, in each case whether direct or indirect, absolute or contingent, matured or
unmatured, at any time held or owing by the Collateral Trustee, any affiliate thereof or any of its branches or agencies to or for the credit or the account of such Grantor. The Collateral Trustee agrees promptly to notify the relevant Grantor after
any such application, provided that the failure to give such notice shall not affect the validity of such application. 
 7.7
Counterparts. This Agreement may be executed by one or more of the parties to this Agreement on any number of separate counterparts (including by telecopy), and all of said counterparts taken together shall be deemed to constitute one and the
same instrument. 
 7.8 Severability. Any provision of this Agreement which is prohibited or unenforceable in any jurisdiction shall,
as to such jurisdiction, be ineffective to the extent of such prohibition or unenforceability without invalidating the remaining provisions hereof, and any such prohibition or unenforceability in any jurisdiction shall not invalidate or render
unenforceable such provision in any other jurisdiction. 
 7.9 Section Headings. The Section headings used in this Agreement are for
convenience of reference only and are not to affect the construction hereof or be taken into consideration in the interpretation hereof. 
 7.10 Integration. This Agreement and the other Indenture Documents represent the agreement of the Grantors, the Collateral Trustee and the Secured Parties with respect to the subject matter hereof and thereof, and there are no
promises, undertakings, representations or warranties by the Collateral Trustee or any Secured Party relative to subject matter hereof and thereof not expressly set forth or referred to herein or in the other Indenture Documents. 
  

 20 

 7.11 GOVERNING LAW. THIS AGREEMENT SHALL BE GOVERNED BY, AND CONSTRUED AND INTERPRETED IN
ACCORDANCE WITH, THE LAW OF THE STATE OF NEW YORK. 
 7.12 Submission To Jurisdiction; Waivers. Each Grantor hereby irrevocably
and unconditionally: 
 (a) submits for itself and its property in any legal action or proceeding relating to this Agreement and the other
Indenture Documents to which it is a party, or for recognition and enforcement of any judgment in respect thereof, to the non-exclusive general jurisdiction of the courts of the State of New York, the courts of the United States of America for
the Southern District of New York, and appellate courts from any thereof; 
 (b) consents that any such action or proceeding may be
brought in such courts and waives any objection that it may now or hereafter have to the venue of any such action or proceeding in any such court or that such action or proceeding was brought in an inconvenient court and agrees not to plead or claim
the same; 
 (c) agrees that service of process in any such action or proceeding may be effected by mailing a copy thereof by registered or
certified mail (or any substantially similar form of mail), postage prepaid, to such Grantor at its address referred to in Section 7.2 or at such other address of which the Collateral Trustee shall have been notified pursuant thereto;

 (d) agrees that nothing herein shall affect the right to effect service of process in any other manner permitted by law or shall limit the
right to sue in any other jurisdiction; and 
 (e) waives, to the maximum extent not prohibited by law, any right it may have to claim or
recover in any legal action or proceeding referred to in this Section any special, exemplary, punitive or consequential damages. 
 7.13
Acknowledgements. Each Grantor hereby acknowledges that: 
 (a) it has been advised by counsel in the negotiation, execution and
delivery of this Agreement and the other Indenture Documents to which it is a party; 
 (b) neither the Collateral Trustee nor any Secured
Party has any fiduciary relationship with or duty to any Grantor arising out of or in connection with this Agreement or any of the other Indenture Documents, and the relationship between the Grantors, on the one hand, and the Collateral Trustee and
Secured Parties, on the other hand, in connection herewith or therewith is solely that of debtor and creditor; and 
 (c) no joint venture is
created hereby or by the other Indenture Documents or otherwise exists by virtue of the transactions contemplated hereby among the Secured Parties or among the Grantors and the Secured Parties. 
  

 21 

 7.14 Additional Grantors. Each Subsidiary of the Company that is required to become a party to
this Agreement pursuant to Section 4.15 of the Indenture shall become a Grantor for all purposes of this Agreement upon execution and delivery by such Subsidiary of an Assumption Agreement in the form of Annex 1 hereto. 
 7.15 Releases. (a) At such time as the Grantor’s Obligations (other than inchoate indemnity obligations) shall have been paid in full,
the Collateral shall be released from the Liens created hereby, and this Agreement and all obligations (other than those expressly stated to survive such termination) of the Collateral Trustee and each Grantor hereunder shall terminate, all without
delivery of any instrument or performance of any act by any party, and all rights to the Collateral shall revert to the Grantors. At the request and sole expense of any Grantor following any such termination, the Collateral Trustee shall deliver to
such Grantor any Collateral held by the Collateral Trustee hereunder, and execute and deliver to such Grantor such documents as such Grantor shall reasonably request to evidence such termination. 
 (b) If any of the Collateral shall be sold, transferred or otherwise disposed of by any Grantor in a transaction permitted by the Indenture, then the
Collateral Trustee, at the request and sole expense of such Grantor, shall execute and deliver to such Grantor all releases or other documents reasonably necessary or desirable for the release of the Liens created hereby on such Collateral. A
Guarantor shall be released from its obligations in accordance with Section 11.04 of the Indenture. 
 7.16 WAIVER OF JURY
TRIAL. EACH GRANTOR HEREBY IRREVOCABLY AND UNCONDITIONALLY WAIVES TRIAL BY JURY IN ANY LEGAL ACTION OR PROCEEDING RELATING TO THIS AGREEMENT OR ANY OTHER INDENTURE DOCUMENT AND FOR ANY COUNTERCLAIM THEREIN. 
 [remainder of page intentionally left blank] 
  

 22 

 IN WITNESS WHEREOF, each of the undersigned has caused this Security Agreement to be duly executed and
delivered as of the date first above written. 
  

			
	NETSCOUT SYSTEMS, INC.
		
	By:	 	 /s/ David P. Sommers

	Name:	 	David P. Sommers
	Title:	 	 Chief Financial Officer and
 Senior Vice
President,
 General Operations

	
	 NETSCOUT SYSTEMS SECURITY
 CORPORATION

		
	By:	 	 /s/ David P. Sommers

	Name:	 	David P. Sommers
	Title:	 	President
	
	NETSCOUT SERVICE LEVEL CORPORATION
		
	By:	 	 /s/ David P. Sommers

	Name:	 	David P. Sommers
	Title:	 	President
	
	NETWORK GENERAL CENTRAL CORPORATION
		
	By:	 	 /s/ David P. Sommers

	Name:	 	David P. Sommers
	Title:	 	Treasurer
	
	NETWORK GENERAL CORPORATION
		
	By:	 	 /s/ David P. Sommers

	Name:	 	David P. Sommers
	Title:	 	Treasurer

  

 23 

			
	FIDELIA TECHNOLOGY, INC.
		
	By:	 	 /s/ David P. Sommers

	Name:	 	David P. Sommers
	Title:	 	President
	
	NETWORK GENERAL INTERNATIONAL CORPORATION
		
	By:	 	 /s/ David P. Sommers

	Name:	 	David P. Sommers
	Title:	 	President
	
	STARBURST TECHNOLOGY HOLDINGS I, LLC

		
	By:	 	 /s/ David P. Sommers

	Name:	 	David P. Sommers
	Title:	 	President
	
	STARBURST TECHNOLOGY HOLDINGS II, LLC

		
	By:	 	 /s/ David P. Sommers

	Name:	 	David P. Sommers
	Title:	 	President

  

 24 

 THE FOLLOWING SCHEDULES TO THE SECURITY AGREEMENT HAVE BEEN OMITTED IN ACCORDANCE WITH ITEM 601(B)(2) OF REGULATION
S-K. 
  

			
	Schedule 1	 	Notice Address of Each Grantor
	Schedule 2	 	Description of Investment Property
	Schedule 3	 	Filings and Other Actions Required to Perfect Security Interests
	Schedule 4	 	Location of Jurisdiction of Organization and Chief Executive Office
	Schedule 5	 	Pledged Intellectual Property

 NetScout Systems, Inc. will furnish supplementally a copy of any omitted schedule to the Securities and Exchange
Commission upon request, provided however that NetScout Systems, Inc. may request confidential treatment pursuant to Rule 24b-2 of the Securities and Exchange Act of 1934, as amended for any schedule so furnished. 
  

 1 

 Annex 1 to 
 Security Agreement 
 ASSUMPTION AGREEMENT, dated as of
            , 20    , made by
                                 (the “Additional Grantor”), in
favor of Wells Fargo Bank, National Association, as Collateral Trustee (in such capacity, the “Collateral Trustee”) with respect to the Indenture referred to below. All capitalized terms not defined herein shall have the meaning
ascribed to them in such Indenture. 
 WITNESSETH: 
 WHEREAS, NetScout Systems, Inc. (the “Company”), certain of its subsidiaries and Wells Fargo Bank, National Association, as Trustee, have entered into a Indenture, dated as of November 1, 2007
(as amended, supplemented or otherwise modified from time to time, the “Indenture”); 
 WHEREAS, in connection with the
Indenture, the Company and certain of its subsidiaries (other than the Additional Grantor) have entered into the Security Agreement, dated as of November 1, 2007 (as amended, supplemented or otherwise modified from time to time, the
“Security Agreement”) in favor of the Collateral Trustee for the ratable benefit of the Secured Parties; 
 WHEREAS, the
Indenture requires the Additional Grantor to become a party to the Security Agreement; and 
 WHEREAS, the Additional Grantor has agreed to
execute and deliver this Assumption Agreement in order to become a party to the Security Agreement; 
 NOW, THEREFORE, IT IS AGREED:

 1. Security Agreement. By executing and delivering this Assumption Agreement, the Additional Grantor, as provided in
Section 7.14 of the Security Agreement, hereby becomes a party to the Security Agreement as a Grantor thereunder with the same force and effect as if originally named therein as a Grantor and, without limiting the generality of the
foregoing, hereby expressly assumes all obligations and liabilities of a Grantor thereunder. The information set forth in Annex 1-A hereto is hereby added to the information set forth in the Schedules to the Security Agreement. The
Additional Grantor hereby represents and warrants that each of the representations and warranties contained in Section 3 of the Security Agreement is true and correct on and as the date hereof (after giving effect to this Assumption
Agreement and any other Assumption Agreement entered into prior to the date hereof) as if made on and as of such date, provided that those representations and warranties expressly referring to a specific date shall be true and correct as of such
date. 
 2. Governing Law. THIS ASSUMPTION AGREEMENT SHALL BE GOVERNED BY, AND CONSTRUED AND INTERPRETED IN ACCORDANCE WITH, THE
LAW OF THE STATE OF NEW YORK. 

 IN WITNESS WHEREOF, the undersigned has caused this Assumption Agreement to be duly executed and
delivered as of the date first above written. 
  

			
	 [ADDITIONAL GRANTOR]

		
	 By:
	 	  

	 Name:
	 	
	 Title:
	 	

  

 2 

 Annex 1-A to 
 Assumption Agreement 
 Supplement to Schedule 1 
 Supplement to Schedule 2 
 Supplement to Schedule 3 
 Supplement to Schedule 4 
 Supplement to Schedule 5 

 Schedule A 
 Network General Central Corporation 
 Network General Corporation 
 Fidelia Technology, Inc. 
 Network General International Corporation 
 Starburst Technology Holdings I, LLC 
 Starburst Technology Holdings II, LLC

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