Document:

EX-4.1

 Exhibit 4.1 

FISCAL AND PAYING AGENCY AGREEMENT 

Between 
 DISCOVER BANK

 Issuer 

and 
 U.S. BANK NATIONAL
ASSOCIATION 
 Fiscal and Paying Agent 
  

 
 Dated as of
February 6, 2018 
  
  

3.350% Notes Due 2023 

 TABLE OF CONTENTS 

 

							
	 	  	Page	 
	 ARTICLE 1 APPOINTMENT
	  	 	1	
			
	Section 1.1.	  	Appointment of Fiscal and Paying Agent	  	 	1	
		
	 ARTICLE 2 THE NOTES
	  	 	1	
			
	Section 2.1.	  	Form of Notes	  	 	1	
	 Section 2.2.
	  	Certifications of Authorized Representatives of the Bank	  	 	2	
	 Section 2.3.
	  	Authentication and Delivery	  	 	2	
	 Section 2.4.
	  	Denominations; Issuance of Certificated Securities	  	 	3	
	 Section 2.5.
	  	Principal Amount; Reopening	  	 	4	
	 Section 2.6.
	  	Security Register; Registration of Transfer and Exchange	  	 	4	
	 Section 2.7.
	  	Persons Deemed Owners	  	 	5	
	 Section 2.8.
	  	Cancellation of Unissued Global Notes	  	 	5	
	 Section 2.9.
	  	Mutilated, Stolen or Destroyed Notes	  	 	5	
	 Section 2.10.
	  	Redemption	  	 	5	
		
	 ARTICLE 3 THE FISCAL AND PAYING AGENT
	  	 	6	
			
	Section 3.1.	  	Payment of Notes	  	 	6	
	 Section 3.2.
	  	Information Regarding Amounts Payable	  	 	6	
	 Section 3.3.
	  	Deposit of Funds	  	 	6	
	 Section 3.4.
	  	Disposition of Funds Held for Payment of Notes	  	 	7	
	 Section 3.5.
	  	Receipt and Delivery of Notices	  	 	7	
	 Section 3.6.
	  	Additional Responsibilities	  	 	7	
	 Section 3.7.
	  	Miscellaneous	  	 	8	
		
	 ARTICLE 4 LIABILITY AND INDEMNIFICATION
	  	 	8	
			
	Section 4.1.	  	Liability	  	 	8	
	 Section 4.2.
	  	Indemnification	  	 	9	
	 Section 4.3.
	  	Agents and Advisors	  	 	9	
		
	 ARTICLE 5 RESIGNATION OR REMOVAL OF FISCAL AND PAYING AGENT; SUCCESSION
	  	 	9	
			
	Section 5.1.	  	Resignation or Removal	  	 	9	
	 Section 5.2.
	  	Successor Fiscal and Paying Agent	  	 	10	
	 Section 5.3.
	  	Successor by Merger, Etc.	  	 	10	
		
	 ARTICLE 6 MISCELLANEOUS
	  	 	10	
			
	Section 6.1.	  	Compensation of the Fiscal and Paying Agent	  	 	10	
	 Section 6.2.
	  	Reliance on Opinions of Counsel or Officer’s Certificate	  	 	11	

  
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	 Section 6.3.
	  	Notes Held by Fiscal and Paying Agent	  	 	11	
	 Section 6.4.
	  	Notices	  	 	11	
	 Section 6.5.
	  	Parties	  	 	12	
	 Section 6.6.
	  	Governing Law	  	 	12	
	 Section 6.7.
	  	Separability	  	 	12	
	 Section 6.8.
	  	Effect of Headings	  	 	12	
	 Section 6.9.
	  	Amendments	  	 	12	
	 Section 6.10.
	  	Events of Default; Rescission	  	 	13	
	 Section 6.11.
	  	Actions Due on Saturdays, Sundays and Holidays	  	 	14	
	 Section 6.12.
	  	Agreement to Pay Attorneys’ Fees and Other Expenses	  	 	14	
	 Section 6.13.
	  	Survival	  	 	14	
	 Section 6.14.
	  	No Implied Waivers	  	 	14	
	 Section 6.15.
	  	Counterparts	  	 	14	
	 Section 6.16.
	  	Term	  	 	14	
	 Section 6.17.
	  	Complete Agreement	  	 	14	

  
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 This FISCAL AND PAYING AGENCY AGREEMENT (the “Agreement”) is entered into as of
February 6, 2018 by and between Discover Bank, as Issuer (the “Bank”), and U.S. Bank National Association as Fiscal and Paying Agent (the “Fiscal and Paying Agent”). 

W I T N E S S E T H: 

WHEREAS, the Bank proposes to issue and sell $800,000,000 of its 3.350% Notes Due 2023 (the “Notes”) in minimum denominations of
$250,000 to certain institutional accredited investors in an offering that is exempt from registration with the Securities and Exchange Commission; and 

WHEREAS, the Bank desires to appoint the Fiscal and Paying Agent as fiscal and paying agent of the Bank with respect to the preparation,
authentication, delivery, registration and payment of the Notes; 
 NOW, THEREFORE, in consideration of the mutual promises, covenants,
conditions and agreements set forth herein, the parties hereby agree as follows: 
 ARTICLE 1 

APPOINTMENT 

Section 1.1. Appointment of Fiscal and Paying Agent. The Fiscal and Paying Agent is hereby appointed as fiscal and
paying agent for the Notes on the terms and conditions specified in this Agreement and in the Notes, and the Fiscal and Paying Agent hereby accepts such appointment. The Bank hereby appoints the Fiscal and Paying Agent as registrar for the Notes.

 ARTICLE 2 
 THE
NOTES 
 Section 2.1. Form of Notes. The Notes will be represented by one or more global certificates, each such
certificate hereinafter called a “Global Note.” All Global Notes shall be registered in the name of The Depository Trust Company (“DTC”), as depository, or its nominee or a successor depository or nominee. All Global Notes shall
be in substantially the form attached hereto as Exhibit A and may have such appropriate insertions, omissions, variations or substitutions as are required or permitted by, and not inconsistent with, this Agreement, and may also have such
letters, numbers or other marks of identification and such legends or endorsements placed thereon as may be required to comply with any applicable law or with any applicable rules or regulations made pursuant thereto or with the rules or regulations
of any securities exchange or governmental agency or as may, consistently herewith, be determined by the officers of the Bank executing such Global Notes, as evidenced by their execution thereof. Beneficial interests in the Global Notes will be
shown on, and transfers thereof will be effected only through, records maintained by DTC or its nominee and its participants. 

 Section 2.2. Certifications of Authorized Representatives of the Bank.

 (a) Any instruction given by the Bank to the Fiscal and Paying Agent under this Agreement shall be in the form of an Officer’s
Certificate. For the purposes of this Agreement, “Officer’s Certificate” means a certificate signed by an Authorized Representative (defined below) and delivered to the Fiscal and Paying Agent. 

(b) On or before the original issue date, the Bank shall furnish the Fiscal and Paying Agent with an Officer’s Certificate of the Bank
certifying the incumbency and specimen signatures of the representatives of the Bank who are authorized to instruct the Fiscal and Paying Agent regarding the completion and delivery of the Global Notes and take other actions hereunder (each an
“Authorized Representative”). The Bank shall notify the Fiscal and Paying Agent promptly in writing if any of such persons ceases to be so authorized or if any additional person becomes so authorized together, in the case of an additional
authorized person, with evidence satisfactory to the Fiscal and Paying Agent that such person has been so authorized and any such change shall become effective on the Business Day (as hereinafter defined) on which the Fiscal and Paying Agent
receives notice thereof. 
 Section 2.3. Authentication and Delivery. 

(a) All Notes shall be issued and delivered in accordance with the terms of this Agreement, the Global Notes and the Letter of Representations
from the Bank to DTC dated November 11, 2009. All instructions regarding the completion and delivery of Notes shall be given in writing by an Authorized Representative by telex, telecopy, electronic transmission or other means acceptable to the
Fiscal and Paying Agent. Upon receipt of such written instructions as described in the preceding sentence, the Fiscal and Paying Agent shall: 

(i) manually authenticate such Global Note or Global Notes by any one of the officers of the Fiscal and Paying Agent duly authorized and
designated by it for such purpose; and 
 (ii) deliver such Global Note or Global Notes to DTC or its nominees or retain and hold such
Global Note or Global Notes as custodian for DTC pursuant to DTC’s instructions. 
 (b) Each Note shall bear an original issue date
which shall remain the same for all Notes subsequently issued upon transfer, exchange or substitution of such original Note regardless of the date of issuance of any such subsequently issued Note. 

(c) All instructions given by the Bank pursuant to this Section 2.3 must be received by the Fiscal and Paying Agent by
11 a.m., New York City time, on the Business Day (except as indicated in Sections 3.1(b) and 6.11) preceding the original issue date for the Global Notes. For all purposes under this Agreement, the term “Business
Day” shall mean any day that is not a Saturday or Sunday and that, in The City of New York, New York, is not a day on which banking institutions are generally authorized or required by law to be closed. The Fiscal and Paying Agent shall not be
required to perform any duties on any day that is not a Business Day. 

  
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 (d) The Fiscal and Paying Agent shall have no responsibility to the Bank to determine by whom a
facsimile signature of the Bank shall be affixed on the Global Notes, or whether a signature of an Authorized Representative is genuine, if such signature resembles the specimen signature of such Authorized Representative on the Officer’s
Certificate delivered pursuant to Section 2.2(b). The Fiscal and Paying Agent shall incur no liability to the Bank in acting or refraining from taking any action hereunder upon instructions contemplated hereby which the recipient thereof
believed in good faith to have been given by an Authorized Representative. In the event a discrepancy exists between the instructions as originally received by the Fiscal and Paying Agent and any subsequent instruction relating to the same subject
matter, the original instructions will be deemed controlling if action has already been taken in reliance thereon. The Fiscal and Paying Agent agrees to give notice to the Bank of such discrepancy reasonably promptly upon the discovery by the Fiscal
and Paying Agent of such discrepancy. 
 (e) Each instruction given to the Fiscal and Paying Agent in accordance with this
Section 2.3 shall constitute a representation and warranty to the Fiscal and Paying Agent by the Bank that (i) the issuance and delivery of the Global Notes to which the instruction relates have been duly and validly authorized by
the Bank, (ii) such Global Notes, when completed, authenticated and delivered pursuant hereto, will constitute valid and legally binding obligations of the Bank and (iii) the Fiscal and Paying Agent’s appointment to act for the Bank
hereunder has been duly authorized by all necessary corporate action of the Bank. 
 (f) The Bank further represents and warrants to the
Fiscal and Paying Agent that the Bank is free to enter into this Agreement and to perform the terms hereof. 
 Section 2.4.
Denominations; Issuance of Certificated Securities. 
 (a) Except as provided in paragraph (b) of this
Section 2.4, the Notes shall be issuable only in book-entry form, without coupons, in denominations of $250,000 and any amount in excess thereof which is an integral multiple of $1,000. 

(b) If at any time (i) DTC notifies the Bank in writing that it is unwilling or unable to act as depository for the Notes or if DTC
ceases to be a clearing agency registered pursuant to Section 17A of the Securities Exchange Act of 1934, as amended, and a successor depository is not appointed by the Bank within 90 days after the effective date of DTC’s ceasing to
act as depository for the Notes, (ii) the Bank, at its option, notifies the Fiscal and Paying Agent in writing that it elects to cause the issuance of Notes in definitive form or (iii) any event shall have happened and be continuing which,
after notice or lapse of time, or both, would constitute an Event of Default as defined in the Notes, the Bank will execute, and the Fiscal and Paying Agent will, upon the execution of the then standard form of the Fiscal and Paying Agent’s
agreement for certificated securities and upon receipt of instructions in writing from the Bank, authenticate and deliver Notes of like tenor and terms in definitive form in an aggregate principal amount equal to the principal amount of the Global
Notes then outstanding in exchange for such Global Notes. Any such certificated Notes will be issued in fully registered form to the persons identified by DTC as the beneficial owners thereof, without coupons, in denominations of $250,000 or any
amount in excess thereof which is an integral multiple of $1,000. Such certificated Notes may not subsequently be exchanged by a holder for Notes in denominations of less than $250,000. If Notes are issued in definitive form hereunder, payment and
other terms related to such Notes will be as set forth on the face thereof. 

  
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 Section 2.5. Principal Amount; Reopening.
The aggregate principal amount of the Notes that may be authenticated and issued under this Agreement is initially limited to $800,000,000, except for Notes authenticated and delivered upon registration of transfer of, or in exchange for, or in
lieu of, other Notes pursuant to Sections 2.4, 2.6 or 2.9; provided, however, that the Bank may, so long as no Event of Default (as defined in the Notes) has occurred and is continuing, reopen the Notes to issue additional
Notes on the same terms and conditions (except for issue date and offering price), with the same CUSIP number as the Notes and which shall form a single series with the originally issued Notes, without the consent of the holders of the Notes;
provided, however, that such additional Notes must be fungible with the originally issued Notes for U.S. federal income tax purposes. As used herein, the term “Notes” includes any such additional Notes. 

Section 2.6. Security Register; Registration of Transfer and Exchange. 

(a) The Fiscal and Paying Agent shall, so long as any of the Notes remain outstanding, maintain records in accordance with its customary
practices, including all forms of transfer for the Notes and shall: (i) keep at its corporate trust office or the office of its affiliate in New York City, a register (the “Security Register”) in such form as the Fiscal and Paying
Agent may determine, in which, subject to such reasonable requirements as it may prescribe, it shall provide for the registration of the Global Notes and of any exchanges or transfers thereof and (ii) maintain records showing for each
outstanding Note issued in definitive form under Section 2.4(b), the principal amount, maturity date, interest rate and other terms thereof, the date of original issue and all subsequent transfers and consolidations or exchanges. 

(b) All Notes presented for transfer shall be duly endorsed or be accompanied by a written instrument of transfer with such evidence of due
authorization and guarantee of signature as may reasonably be required by the Fiscal and Paying Agent. Upon receipt by the Bank of a Note submitted for transfer, the Bank will execute, and the Fiscal and Paying Agent will authenticate, one or more
new Notes of like tenor and terms in an aggregate principal amount equal to the principal amount of the Note presented for transfer in accordance with the transfer instructions accompanying same. The Fiscal and Paying Agent shall date its signature
on the date it signs such Notes. No service charge (other than any cost of delivery) shall be imposed by the Fiscal or Paying Agent for any exchange or registration of transfer of a Note but the Bank or Fiscal and Paying Agent may require the
payment of a sum sufficient to cover any stamp or other tax or governmental charge that may be imposed in connection therewith or presentation of evidence that such tax or charge has been paid. Notwithstanding anything to the contrary set forth
herein, no registration or transfer shall be made on or after the fifteenth day immediately preceding the Maturity Date (as defined in the Note). 

(c) Notwithstanding anything in this Agreement to the contrary, unless Notes are issued in definitive form under Section 2.4(b)
hereof, beneficial ownership of the Notes will only be shown on, and transfers thereof will be effected only through, records maintained by DTC, its nominees or its participants (as defined in the offering circular dated January 31, 2018
relating to the offering of the Notes). The Fiscal and Paying Agent shall have no responsibility 

  
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or liability for any aspect of the records relating to or payments made on account of beneficial ownership interests in a Global Note or for maintaining, supervising or reviewing any records
relating to such beneficial ownership interests, and it shall be fully protected in acting or refraining from acting on any such information provided by DTC with respect thereto. 

Section 2.7. Persons Deemed Owners. Prior to due presentment of a Note for registration or transfer, the Bank, the Fiscal
and Paying Agent and any agent of the Bank or the Fiscal and Paying Agent may treat the person in whose name such Note is registered as the owner of such Note for the purpose of receiving payments of principal and interest, if any, and for all other
purposes whatsoever, whether or not such Note be overdue, and neither the Bank nor the Fiscal and Paying Agent shall be affected by notice to the contrary. 

Section 2.8. Cancellation of Unissued Global Notes. Promptly upon the written request of the Bank, the Fiscal and Paying
Agent shall cancel and return to the Bank all unissued Global Notes in its possession. 
 Section 2.9. Mutilated, Stolen or
Destroyed Notes. In case a Note shall at any time become mutilated, destroyed, lost or stolen and such Note or evidence satisfactory to the Bank or the Fiscal and Paying Agent of the loss, theft, or destruction thereof (together with
indemnity satisfactory to the Bank and the Fiscal and Paying Agent and such other documents of proof as may be required by them) shall be delivered to the Bank, a new Note of like tenor will be issued by the Bank in exchange for the Note so
mutilated, or in lieu of the Note so destroyed or lost or stolen. The Fiscal and Paying Agent will authenticate any such substituted Note and deliver the same on the written request or authorization of an Authorized Representative. All expenses and
reasonable charges associated with procuring the indemnity referred to above and with the preparation, authentication and delivery of a new Note shall be borne by the holder of the Note so mutilated, destroyed, lost or stolen. If any Note which has
matured or is about to mature shall become mutilated, destroyed, lost or stolen, the Bank may, instead of issuing a substitute Note, pay or authorize the payment of the same (without surrender thereof except in the case of a mutilated Note) upon
compliance by the holder thereof with the provisions of this Section 2.9 (including delivery of an indemnity satisfactory to the Bank and the Fiscal and Paying Agent and such other documents of proof as may be required by them). 

Section 2.10. Redemption. 

(a) No sinking fund will be provided for the Notes. 

(b) The Notes are subject to redemption at the option of the Bank, at any time on or after January 6, 2023, in whole or in part on no
less than 10 nor more than 60 days’ prior notice delivered to the Holders. The Notes will be redeemable at a redemption price equal to 100% of the principal amount of the Notes to be redeemed, plus accrued and unpaid interest. If fewer than all
of the Notes are to be redeemed, the Fiscal and Paying Agent will select the Notes for redemption on a pro rata basis, by lot or by such other method in accordance with the Depository’s procedures. The Notes will be redeemed in denominations of
$250,000 and integral multiples of $1,000 in excess thereof. If any Notes are to be redeemed in part only, the notice of redemption that relates to the Notes will state the portion of the Notes to be redeemed. Unless the Bank defaults in payment of
the redemption price, on and after the redemption date, interest will cease to accrue on the Notes or the portions of the Notes called for redemption. 

  
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 ARTICLE 3 

THE FISCAL AND PAYING AGENT 

Section 3.1. Payment of Notes. 

(a) Payments of principal and interest payable at the Maturity Date will be made by wire transfer in immediately available funds to the bank
accounts in the United States designated by the holders of the Notes, provided that the Notes are presented to the Fiscal and Paying Agent in time for the Fiscal and Paying Agent to make such payments in such funds in accordance with its normal
procedures and subject to Section 3.3 hereof. 
 (b) Payments of interest (other than interest payable at Maturity Date) will be
made on February 6 and August 6 of each year, commencing on August 6, 2018 to the holders of the Notes entitled thereto as of the close of business on January 15 or July 15, as the case may be (whether or not such day is a
Business Day) (each such date, a “Regular Record Date”) immediately preceding the interest payment date, by wire transfer of immediately available funds to the bank accounts in the United States designated by such holders in a written
notice received by the Fiscal and Paying Agent not later than the applicable Regular Record Date and subject to Section 3.3 hereof. 

(c) The Fiscal and Paying Agent is authorized and, subject to its prior receipt of funds in respect thereof, will pay amounts falling due in
respect of any Note duly presented for payment as provided in paragraph (a) of this Section 3.1 as long as the Global Note representing such Note has been authenticated by one of the Fiscal and Paying Agent’s officers who was
duly designated and authorized for such purpose at the time of such authentication, notwithstanding that said officer is no longer so designated or the authority of said officer has been terminated between the time of execution and the time of
payment. 
 (d) The Fiscal and Paying Agent shall have no obligation to use its own funds for any payment of principal or interest on the
Notes or for any other purpose pursuant to this Agreement. 
 Section 3.2. Information Regarding Amounts Payable. The
Fiscal and Paying Agent shall, as soon as practicable after each record date for the payment of interest on the Notes (other than interest payable on the Maturity Date), but not later than five days preceding the related interest payment date,
notify the Bank of the amount of interest to be paid on the Notes on the related interest payment date. 
 Section 3.3. Deposit
of Funds. The Bank shall deposit with the Fiscal and Paying Agent by 10 a.m., New York City time (i) on each interest payment date (other than the Maturity Date) an amount in immediately available funds sufficient to pay the
interest due on the Notes on such date and (ii) on the Maturity Date an amount in immediately available funds sufficient to pay the full principal amount of the Notes and all unpaid interest accrued thereon to the Maturity Date. 

  
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 Section 3.4. Disposition of Funds Held for Payment of Notes. 

(a) In acting under this Agreement and in connection with the Notes, the Fiscal and Paying Agent is acting solely as agent of the Bank and
does not assume any obligation or relationship of agency or trust with the holders of the Notes or the beneficial owners of the Global Notes, except that, subject to the provisions of subsection (b) of this Section 3.4, all money
deposited with the Fiscal and Paying Agent pursuant to Section 3.3 shall be held by it on behalf of the holders of the Notes and the beneficial holders of the Global Notes entitled thereto until such money is disbursed to the holders of
the Notes (subject to escheat and other unclaimed property laws) in accordance with the provisions of the Notes and this Agreement. Money deposited with the Fiscal and Paying Agent need not be segregated from other funds of the Fiscal and Paying
Agent, except to the extent required by law. The Fiscal and Paying Agent agrees that it shall not exercise any right of set-off, lien or similar claim in respect of such money deposited with the Fiscal and
Paying Agent. 
 (b) Any money deposited with the Fiscal and Paying Agent for the payment of the principal of or interest on any Note that
remains unclaimed or unpaid for two years after such principal or interest has become due and payable or if sooner, at the effectiveness of the resignation or removal of the Fiscal and Paying Agent, shall be remitted by the Fiscal and Paying Agent
to the Bank and the holders of the Notes entitled thereto shall thereafter, as unsecured general creditors, look only to the Bank for payment thereof as successor fiscal and paying agent, and all liability of the Fiscal and Paying Agent with respect
to such money shall thereupon cease. 
 Section 3.5. Receipt and Delivery of Notices. 

(a) Forthwith upon the receipt by the Fiscal and Paying Agent of a demand or notice from any holder of a Note in accordance with the
provisions hereof, the Fiscal and Paying Agent shall promptly forward a copy thereof to the Bank. 
 (b) On behalf of and at the request and
expense of the Bank, the Fiscal and Paying Agent shall cause to be delivered to the holders of the Notes all notices required to be given by the Bank to such holders in accordance with the provisions hereof. 

Section 3.6. Additional Responsibilities. If the Bank shall ask the Fiscal and Paying Agent to perform any duties not
specifically set forth in this Agreement as duties of the Fiscal and Paying Agent (the “Additional Responsibilities”) and the Fiscal and Paying Agent chooses to perform such Additional Responsibilities, the Fiscal and Paying Agent shall be
held to the same standard of care and shall be entitled to all the protective provisions (including, but not limited to, indemnification) set forth herein with respect to such Additional Responsibilities unless the Fiscal and Paying Agent has
entered into a separate written agreement which specifically addresses the standard of care with respect to such Additional Responsibilities. 

  
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 Section 3.7. Miscellaneous. Notwithstanding anything to the contrary herein:

 (a) in paying principal and interest on the Notes hereunder, the Fiscal and Paying Agent shall be acting as a conduit and shall not be
paying such principal or interest for its own account. In the absence of written notice from the Bank to the contrary, the Fiscal and Paying Agent shall be entitled to assume that any Note presented to it, or deemed presented to it, for payment, is
entitled to be so paid; 
 (b) the Fiscal and Paying Agent shall not be required to invest any moneys delivered to it pursuant to this
Agreement and shall have no liability for interest on any moneys received or held by it hereunder; 
 (c) the Fiscal and Paying Agent shall
not be responsible for the accuracy of any recital of any party (other than the Fiscal and Paying Agent) that is stated herein or in the Notes or in any offering materials relating thereto and makes no representations as to the validity or
enforceability of the Notes and shall incur no responsibility in respect thereto; 
 (d) the Fiscal and Paying Agent shall be protected in
acting or refraining from acting upon any notice, order, requisition, request, consent, certificate, order, opinion (including an opinion of counsel, Officer’s Certificate or both), affidavit, letter, telegram or other paper or document deemed
by it in good faith to be genuine and correct and to have been signed or sent by the proper person or persons; and 
 (e) any action taken
by the Fiscal and Paying Agent pursuant to this Agreement upon the request or authority or consent of any person who at the time of making such request or giving such authority or consent is the holder of a Note shall be conclusive and binding upon
(i) all future holders of the same Note and any Note issued in exchange therefor or in place thereof, (ii) all beneficial owners of the same Note and (iii) all holders of the same Note issued in definitive form pursuant to
Section 2.4(b) hereof. 
 ARTICLE 4 

LIABILITY AND INDEMNIFICATION 

Section 4.1. Liability. 

(a) The duties and obligations of the Fiscal and Paying Agent are ministerial in nature and such duties and obligations shall be determined
solely by the express provisions of this Agreement. The Fiscal and Paying Agent will not have any fiduciary duties. The Fiscal and Paying Agent shall not be liable to the Bank, the holders of Notes or the beneficial owners of the Global Notes except
for the performance of such duties and obligations as are specifically set forth herein and no implied covenants shall be read into this Agreement against it. 

(b) The Fiscal and Paying Agent shall not be required to ascertain whether any action taken by the Bank hereunder, including (i) the
offering and sale of Notes, (ii) the issuance of such Notes or (iii) any amendment or termination of this Agreement, has been duly authorized by the Bank or is in compliance with any other agreement to which the Bank is a

  
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party (whether or not the Fiscal and Paying Agent is also a party to such other agreements) or any law or governmental regulation to which the Bank is subject. The Fiscal and Paying Agent shall
have no responsibility in the case of any default by the Bank in the performance of the Notes. 
 (c) The Fiscal and Paying Agent shall not
have any liability hereunder except in the case of its gross negligence, bad faith, willful misconduct or failure to perform in accordance with this Agreement (which failure constitutes gross negligence, bad faith or willful misconduct).
NOTWITHSTANDING ANYTHING TO THE CONTRARY HEREIN, IN NO EVENT SHALL THE FISCAL AND PAYING AGENT BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR PUNITIVE DAMAGES. THIS LIMITATION OF LIABILITY WILL APPLY REGARDLESS OF THE FORM OF ACTION,
INCLUDING, WITHOUT LIMITATION, BREACH OF THIS CONTRACT OR TORT. 
 Section 4.2. Indemnification. The Bank agrees to
indemnify and hold harmless the Fiscal and Paying Agent, its officers, directors, employees and agents (each an “Indemnified Party”) from and against all losses, liabilities, obligations, claims, damages, costs and expenses of any kind or
nature whatsoever (including, without limitation, reasonable legal fees and expenses) relating to or arising out of the performance of its duties under this Agreement, except to the extent they are caused by the negligence, bad faith or willful
misconduct of such Indemnified Party or failure of such Indemnified Party to perform in accordance with this Agreement. In the event of resignation or removal of the Fiscal and Paying Agent, any successor to the performance of the obligations of the
Fiscal and Paying Agent as specified in this Agreement shall be entitled to rely upon this indemnity. These indemnification obligations shall survive the termination of this Agreement, including any termination pursuant to any applicable federal or
state bankruptcy law, to the extent enforceable under applicable law, and shall survive the resignation or removal of the Fiscal and Paying Agent while remaining applicable to any action taken or omitted by the Fiscal and Paying Agent while acting
pursuant to this Agreement. 
 Section 4.3. Agents and Advisors. The Fiscal and Paying Agent may execute any of the
powers hereunder or perform any duties hereunder either directly or by or through agents or advisors selected by it in good faith as it may reasonably require and will not be responsible for any negligence or misconduct on the part of any of them so
selected by the Fiscal and Paying Agent in good faith and without negligence. 
 ARTICLE 5 

RESIGNATION OR REMOVAL OF FISCAL AND PAYING AGENT; SUCCESSION 

Section 5.1. Resignation or Removal. The Fiscal and Paying Agent may at any time resign from its duties hereunder by giving
written notice of resignation to the Bank specifying the date on which such resignation shall become effective; provided, however, that such date shall not be less than 60 Business Days after such notice is given to the Bank. The Bank may at any
time remove the Fiscal and Paying Agent by giving written notice of removal to the Fiscal and Paying Agent specifying the date on which such removal shall be effective; provided, however, that such date shall not be less than 30 Business Days after
such notice is given to the Fiscal and Paying Agent. Any termination or resignation hereunder shall not affect the Fiscal and Paying Agent’s right to the payment of fees earned or charges incurred through the effective date of such termination
or resignation, as the case may be. 

  
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 Section 5.2. Successor Fiscal and Paying Agent. Upon the effective date of
such resignation or removal, the Fiscal and Paying Agent shall deliver any money then held by it pursuant to Section 3.4(a) to the successor appointed by the Bank to serve as fiscal and paying agent for the Notes and all liability of the
Fiscal and Paying Agent with respect to such money shall thereupon cease. The Fiscal and Paying Agent shall also provide such successor with a copy of its records relating to the Notes as such successor shall reasonably request. However, the Fiscal
and Paying Agent may retain copies of any records turned over for archival purposes. If such successor has not been appointed by the effective date of such resignation or removal, the Fiscal and Paying Agent shall pay such money and deliver such
records to the Bank with the same effect as though such payment were made pursuant to Section 3.4(b); it being understood and agreed that the Bank may undertake to perform any of the functions of the Fiscal and Paying Agent. The
delivery, transfer and assignment of such moneys and records by the Fiscal and Paying Agent to its successor or the Bank, as the case may be, shall be sufficient, without the requirement of any additional act or the requirement of any indemnity to
be given by the Fiscal and Paying Agent, to relieve the Fiscal and Paying Agent of all further responsibility for the exercise of the rights or the performance of the obligations vested in the Fiscal and Paying Agent pursuant to this Agreement. The
Bank shall notify, or cause the Fiscal and Paying Agent to notify, each holder of Global Notes of the appointment of any successor Fiscal and Paying Agent or the undertaking of the Bank to perform the functions of the Fiscal and Paying Agent. 

Section 5.3. Successor by Merger, Etc. Any corporation or association into which the Fiscal and Paying Agent may be
converted or merged, or with which it may be consolidated, or to which it may sell or transfer its corporate trust and agency business as a whole, or any corporation or association resulting from any such conversion, sale, merger, consolidation or
transfer to which it is a party, shall be and become successor Fiscal and Paying Agent hereunder and shall be invested with all of the rights, powers, trusts, duties and obligations of the Fiscal and Paying Agent hereunder, without the execution or
filing of any instrument or any further act. The Fiscal and Paying Agent shall provide notice to the Bank of any such conversion, merger, consolidation, sale or transfer as soon as practicable after the Fiscal and Paying Agent obtains knowledge that
such event will occur or has occurred. 
 ARTICLE 6 

MISCELLANEOUS 

Section 6.1. Compensation of the Fiscal and Paying Agent. The Bank agrees to pay the Fiscal and Paying Agent compensation
for all services rendered by the Fiscal and Paying Agent hereunder in such amounts as set forth on the Fee Schedule attached hereto and payable at such times as the Bank and the Fiscal and Paying Agent may agree to and to promptly reimburse the
Fiscal and Paying Agent for all reasonable out-of-pocket expenses (including reasonable attorneys’ fees), disbursements and advances incurred or made by the Fiscal
and Paying Agent in the performance of its duties hereunder. The obligation of the Bank pursuant to this Section 6.1 shall survive the termination of this Agreement, including any termination pursuant to any federal or state bankruptcy
law, to the extent enforceable under applicable law. 

  
 10 

 Section 6.2. Reliance on Opinions of Counsel or Officer’s Certificate.

 (a) The Fiscal and Paying Agent may, at any time, request and receive an opinion of counsel (including its
in-house counsel) concerning its duties hereunder. The Fiscal and Paying Agent shall be free to act upon the advice contained in such opinion and shall have no liability to the Bank, the holders of the Notes
or the beneficial owners of the Global Notes in respect of an action taken or omitted by the Fiscal and Paying Agent in good faith in reliance on a written opinion of such counsel (including its in-house
counsel). 
 (b) The Fiscal and Paying Agent shall have no liability to the Bank, the holders of the Notes or the beneficial owners of the
Global Notes in respect of an action taken or omitted by the Fiscal and Paying Agent in good faith in reliance on an Officer’s Certificate. 

Section 6.3. Notes Held by Fiscal and Paying Agent . The Fiscal and Paying Agent, in its individual or other capacity, may
become a purchaser, holder, transferor, pledgee or may otherwise own, hold or transfer any beneficial interest in any Notes and may commence or join in any action which a beneficial owner of a Note is entitled to take without any conflict with its
responsibilities pursuant to this Agreement. 
 Section 6.4. Notices . Notices and other communications hereunder shall
(except to the extent otherwise expressly provided) be in writing or given via electronic media and shall be addressed as follows, or to such other addresses as the parties hereto shall specify from time to time. 

 

			
	If to the Bank:	  	Discover Bank
		  	12 Read’s Way
		  	New Castle, Delaware 19720
		  	Attention:       Michael F. Rickert
		  	Telephone:     (302) 323-7184
		  	Telecopy:       (302) 323-7393
		  	Email: mikerickert@discover.com
		
	With a copy to:	  	Discover Financial Services
		  	2500 Lake Cook Road
		  	Riverwoods, Illinois 60015
		  	Attention:       D. Christopher Greene
		  	Telephone:     (224) 405-0330
		  	Telecopy:       (224) 405-4073
		  	Email: christophergreene@discover.com

  
 11 

			
	If to the Fiscal	 	U.S. Bank National Association
	And Paying Agent	 	100 Wall Street – Suite 1600
		 	New York, NY 10005

					
		 	Attention:	  	  Corporate Trust Services
		 	Telephone:	  	  212-951-8561
		 	Telecopy:	  	  212-509-3384

 All notices shall be deemed given when received. All notices required to be given to the holders of Notes shall be in writing
and sent by first-class mail to such holders at their respective addresses shown in the Security Register. 

Section 6.5. Parties . Except for rights arising under Section 3.4(a), this Agreement is solely
for the benefit of the parties hereto and their successors and assigns and nothing herein, express or implied, shall grant any benefit or any legal or equitable right, remedy or claim under this Agreement to any other person including, without
limitation, any holder of a Note or any beneficial owner of a Global Note. 
 Section 6.6. Governing Law . THIS AGREEMENT
AND THE RIGHTS AND OBLIGATIONS OF THE PARTIES HERETO SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK AND, WHERE APPROPRIATE, THE LAWS OF THE UNITED STATES. 

Section 6.7. Separability . In case any provision in this Agreement shall be held to be invalid, illegal or unenforceable,
the validity, legality and enforceability of the remaining provisions shall not in any way be affected or impaired thereby. 

Section 6.8. Effect of Headings . The article and section headings herein are for convenience of reference only and shall
not affect the construction hereof. 
 Section 6.9. Amendments. 

(a) Without the consent of the holders of the Notes, the Bank and the Fiscal and Paying Agent, at any time and from time to time, may amend
the terms of this Agreement and the Notes, including amendments to the terms of the Notes designed to cure ambiguities, defects or inconsistencies; except, however, that the consent of all holders of Notes is required in order to: 

(i) change the Maturity Date of any Note, extend the time of payment on any overdue principal amount, change the coin or currency in which any
Note or the interest thereon is payable, change the definition of interest payment date contained in the Notes, reduce the principal amount of or the rate of interest on any Note, change the method of payment specified in the Notes to other than
wire transfer in immediately available funds, or impair the right of a holder of the Notes to institute suit for the enforcement of any payments of principal of or interest or other amounts on such Notes; 

  
 12 

 (ii) reduce the percentage in principal amount of Notes outstanding, the consent of whose
holders is required for any such amendment to this Agreement or the Notes; or 
 (iii) modify any of the provisions of this
Section 6.9, except to increase any such percentage or to provide that certain other provisions of this Agreement or the Notes cannot be modified or waived without the consent of the holder of each outstanding Note. 

If the consent of the holders of the Notes is required hereunder, the Bank and the Fiscal and Paying Agent shall request such consent and the
Fiscal and Paying Agent will deliver to each holder of Notes an explanation provided to it by (or on behalf of) the Bank of such amendment and the terms thereof. It shall not be necessary under this Section 6.9 for the holders of the
Notes to approve the precise form of any proposed amendment. 
 (b) Upon the execution of any amendment to this Agreement under this
Section 6.9 by the Bank and the Fiscal and Paying Agent, this Agreement shall be modified in accordance therewith, such amendment shall form a part of this Agreement for all purposes and each holder of Notes theretofore or thereafter
authenticated and delivered hereunder shall be bound thereby. The Fiscal and Paying Agent, on behalf of the Bank, shall promptly transmit by mail to each holder of Notes a notice setting forth the general terms of any amendment to this Agreement
executed under this Section 6.9. 
 (c) Before entering into any amendment to this Agreement, the Fiscal and Paying Agent shall
receive and be fully protected in relying upon an Officer’s Certificate and an opinion from counsel to the Bank that such amendment has been duly authorized, executed and delivered by the Bank and that all conditions precedent in connection
with the execution of such amendment have been satisfied. 
 Section 6.10. Events of Default; Rescission. 

(a) Upon the occurrence of an Event of Default (as defined in the Notes) or the curing of an Event of Default, the Bank will promptly notify
in writing the Fiscal and Paying Agent thereof, and the Fiscal and Paying Agent will promptly notify, by first-class mail, postage prepaid, the holders of the Notes thereof. If an Event of Default shall occur
and be continuing, the holder of a Note, upon written notice to the Bank and the Fiscal and Paying Agent, may, at its option, declare such Note to be, and, on the day such declaration shall have been delivered to the Bank and the Fiscal and Paying
Agent, unless the Fiscal and Paying Agent shall have received notice from the Bank that all Events of Default have been cured by the Bank prior to receipt by the Fiscal and Paying Agent of such declaration, such Note shall become, immediately due
and payable at its principal amount, together with accrued and unpaid interest thereon to the date of payment. 
 (b) At any time after the
delivery to the Fiscal and Paying Agent of a declaration of an Event of Default and acceleration pursuant to the provisions of a Note, the holder of a Note, by written notice evidencing its ownership interest to the Bank and the Fiscal and Paying
Agent, may rescind and annul such declaration of an Event of Default and its consequences with respect to such Note. No such rescission shall affect any subsequent Event of Default or impair any right consequent thereto. 

  
 13 

 (c) The holder of a Note may waive any past Event of Default and its consequences with respect to
such Note. No such waiver shall affect any subsequent Event of Default or impair any right consequent thereto. 
 Section 6.11.
Actions Due on Saturdays, Sundays and Holidays . If any date on which a payment, notice or other action required by this Agreement falls is other than a Business Day, then that action or payment need not be taken or made on such date,
but may be taken or made on the next succeeding Business Day on which the Fiscal and Paying Agent is open for business with the same force and effect as if made on such date. 

Section 6.12. Agreement to Pay Attorneys’ Fees and Other Expenses . In the event the Bank shall default under any of
the provisions of this Agreement and the Fiscal and Paying Agent shall employ outside attorneys or incur other expenses for the enforcement of performance or observance or any such obligation or agreement, the Bank agrees that it will on demand pay
to the Fiscal and Paying Agent the reasonable fees and expenses of such attorneys and such other reasonable expenses incurred by the Fiscal and Paying Agent. 

Section 6.13. Survival . The Fiscal and Paying Agent’s rights to compensation, reimbursement and indemnification shall
survive the termination of this Agreement, including any termination pursuant to any federal or state bankruptcy law, to the extent enforceable under applicable law. 

Section 6.14. No Implied Waivers . The right of any party under any provision of this Agreement shall not be affected by
its prior failure to require the performance by any other party under such provision or any other provision of this Agreement, nor shall the waiver by any party of a breach of any provision hereof constitute a waiver of any succeeding breach of the
same or any other provision or constitute a waiver of the provision itself or any other provision. 
 Section 6.15. Counterparts
.. This Agreement may be executed in two or more counterparts, each of which shall constitute an original but both or all of which, when taken together, shall constitute but one instrument, and shall become effective when copies hereof which,
when taken together, bear the signatures of each of the parties hereto, shall be delivered to each of the parties hereto. 

Section 6.16. Term . This Agreement shall remain in full force and effect until the earlier to occur of (i) such time
as the principal of and interest on all the Notes shall have been paid, (ii) the effective date of the resignation or removal of the Fiscal and Paying Agent or (iii) the payment of funds to the Bank in accordance with
Section 3.4(b). 
 Section 6.17. Complete Agreement . This Agreement and any appendix hereto contain the
entire understanding of the parties with respect to the subject hereof (except for any separate confidentiality agreement between the Bank and the Fiscal and Paying Agent), and no waiver, alteration or modification of any of the provisions hereof,
shall be binding unless in writing and signed by a duly authorized representative of all parties hereto. 

  
 14 

 IMPORTANT INFORMATION ABOUT PROCEDURES FOR OPENING A NEW ACCOUNT 

The parties hereto acknowledge that in accordance with Section 326 of the U.S.A. Patriot Act, the Fiscal and Paying Agent, like all
financial institutions and in order to help fight the funding of terrorism and money laundering, is required to obtain, verify, and record information that identifies each person or legal entity that establishes a relationship or opens an account
with the Fiscal and Paying Agent. The parties to this Agreement agree that they will provide the Fiscal and Paying Agent with such information as it may request in order for the Fiscal and Paying Agent to satisfy the requirements of the U.S.A.
Patriot Act. 

  
 15 

 IN WITNESS WHEREOF, the undersigned have executed this Agreement on the date first set forth above. 

 

			
	 DISCOVER BANK,
 as Issuer of the
Notes

		
	By: 	 	/s/ Timothy J. Schmidt

 
			
	Name:	 	Timothy J. Schmidt
	Title:	 	Senior Vice President and Treasurer
	
	 U.S. BANK NATIONAL ASSOCIATION,
 as
Fiscal and Paying Agent

 
			
		
	By: 	 	/s/ K. Wendy Kumar

 
			
	Name:	 	K. Wendy Kumar
	Title:	 	Vice President

  
 16 

 EXHIBIT A 

FORM OF GLOBAL NOTE 
 THIS NOTE IS NOT
REQUIRED TO BE, AND IS NOT, REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”). 
 THIS OBLIGATION IS NOT A DEPOSIT
AND IS NOT INSURED OR GUARANTEED BY THE FEDERAL DEPOSIT INSURANCE CORPORATION (THE “FDIC”) OR ANY OTHER GOVERNMENT AGENCY OR INSTRUMENTALITY AND IS SUBJECT TO INVESTMENT RISK, INCLUDING POSSIBLE LOSS OF PRINCIPAL. THE OBLIGATIONS OF
DISCOVER BANK (THE “BANK”) EVIDENCED BY THIS NOTE ARE UNSECURED AND UNSUBORDINATED INDEBTEDNESS OF THE BANK AND RANK PARI PASSU AMONG THEMSELVES AND OTHER UNSECURED AND UNSUBORDINATED INDEBTEDNESS OF THE BANK BUT THEY ARE SUBORDINATE AND
JUNIOR IN RIGHT OF PAYMENT TO THE BANK’S OBLIGATIONS TO ITS DEPOSITORS AND OTHER OBLIGATIONS ENTITLED TO ANY PRIORITIES OR PREFERENCES, ARE INELIGIBLE AS COLLATERAL FOR A LOAN BY THE BANK AND ARE NOT SECURED.  

THIS NOTE IS AN OBLIGATION SOLELY OF THE BANK AND WILL NOT BE AN OBLIGATION OF, OR OTHERWISE GUARANTEED BY, DISCOVER FINANCIAL SERVICES OR ANY OF THE
BANK’S OTHER AFFILIATES. 
 THIS NOTE IS ISSUABLE ONLY IN FULLY REGISTERED FORM IN MINIMUM DENOMINATIONS OF $250,000 AND INTEGRAL MULTIPLES OF $1,000
IN EXCESS THEREOF. EACH OWNER OF A BENEFICIAL INTEREST IN THIS NOTE MUST BE AN INSTITUTIONAL INVESTOR WHO IS AN “ACCREDITED INVESTOR” WITHIN THE MEANING OF RULE 501 UNDER THE SECURITIES ACT OF 1933, AS AMENDED, AND IS REQUIRED TO HOLD A
BENEFICIAL INTEREST IN A $250,000 PRINCIPAL AMOUNT OR ANY INTEGRAL MULTIPLE OF $1,000 IN EXCESS THEREOF OF THIS NOTE AT ALL TIMES. 

Registered Principal Amount: 

No.: 
 CUSIP No.: 25466A
AK7 
 ISIN No.: US25466AAK79 

Common Code: 176776951 

  
 A-1 

 DISCOVER BANK 

3.350% Note Due 2023 
 This 3.350% Note Due 2023
(the “Security”) is registered in the name of CEDE & CO., the nominee of The Depository Trust Company (the “Depository”), 55 Water Street, New York, New York, and may not be transferred except as a whole by the nominee
of the Depository to another nominee of the Depository or to the Depository or by the Depository or any such nominee to a successor Depository or a nominee of such successor Depository unless and until this Security is exchanged in whole or in part
for Securities in definitive form. Unless this certificate is presented by an authorized representative of the Depository to the Corporate Trust Department of U.S. Bank National Association, as Fiscal and Paying Agent or any duly appointed successor
Fiscal and Paying Agent (the “Fiscal and Paying Agent”), and any certificate issued is registered in the name of Cede & Co. or such other name as is requested in writing by an authorized representative of the Depository (and any
payment is made to Cede & Co. or to such other entity as is requested in writing by an authorized representative of the Depository), ANY TRANSFER, PLEDGE OR OTHER USE HEREOF FOR VALUE OR OTHERWISE OR TO ANY PERSON IS WRONGFUL, inasmuch as
the registered owner hereof, Cede & Co., has an interest herein. 
 The Bank, for value received, hereby promises to pay to CEDE & CO., or
registered assigns, the principal amount of             ($            ) on February 6, 2023 (the
“Maturity Date”) and to pay interest from February 6, 2018, or from the most recent Interest Payment Date to which interest has been paid or duly provided for, at the rate of 3.350% per annum (calculated on the basis of a 360-day year of twelve 30-day months), on the unpaid principal hereof until said principal amount has been paid in full or duly made available for payment, semiannually in
arrears on February 6 and August 6 of each year, commencing August 6, 2018 and on the Maturity Date (each, an “Interest Payment Date”). Payments will include interest accrued to (but excluding) the relevant Interest Payment
Date. All payments on this Security shall be applied first to accrued interest and the balance, if any, to principal. 
 If the Maturity Date or any other
Interest Payment Date falls on a day that is not a Business Day (as defined below), the related payment shall be made on the next succeeding Business Day with the same force and effect as if made on the day such payment was due, and no interest
shall accrue on the amount so payable for the period from and after such Maturity Date or Interest Payment Date, as the case may be. The term “Business Day” means any day that is not a Saturday or Sunday and that is not a day on which
banking institutions are generally authorized or required to be closed in The City of New York, New York. 
 Reference is made to the further provisions of
this Security set forth on the reverse hereof, which further provisions shall for all purposes have the same effect as though fully set forth at this place. 

Unless the certificate of authentication hereon has been executed by the Fiscal and Paying Agent by the manual signature of one of its authorized signatories,
this Security shall not be valid or obligatory for any purpose. 

  
 A-2 

 IN WITNESS WHEREOF, the Bank has caused this Security to be duly executed and its corporate seal to be hereunto
affixed and attested. 
  

					
		 		 	DISCOVER BANK
			
	(CORPORATE SEAL)	 	By:	 	   

 Attest: 
  

			
	By: 	 	 

			
	Name: 	 	 

			
	Title: 	 	 

 This is one of the Securities referred to 

in the within-mentioned Fiscal and 

Paying Agency Agreement: 
  

			
	 U.S. BANK NATIONAL ASSOCIATION,
 as
Fiscal and Paying Agent

			
		
	By: 	 	 

 Dated: February 6, 2018 

  
 A-3 

 Form of Reverse Side of Note 

1. This Security is one of a duly authorized issue of securities of the Bank, designated as its “3.350% Notes Due 2023” (the
“Securities”), initially limited in aggregate principal to $800,000,000. The Bank may, so long as no Event of Default (as defined below) has occurred and is continuing and without the consent of the Holders (as defined below) hereof, issue
additional Securities and thereby increase such aggregate principal amount in the future, on the same terms and conditions (except for issue date and offering price) and with the same CUSIP number as this Security; provided, however, that such
additional Securities shall be consolidated and form a single series with this Security only if such additional Securities are fungible with this Security for U.S. federal income tax purposes. The Bank, for the benefit of the registered holders from
time to time of the Securities (collectively, the “Holders”), has entered into a Fiscal and Paying Agency Agreement, dated as of February 6, 2018 (as the same may be amended, supplemented or otherwise modified from time to time, the
“Fiscal and Paying Agency Agreement”), between the Bank and the Fiscal and Paying Agent. Reference is hereby made to the Fiscal and Paying Agency Agreement (copies of which are on file and available for inspection during normal business
hours at the offices of the Fiscal and Paying Agent at U.S. Bank National Association, 100 Wall Street – Suite 1600, New York, NY 10005, Attention: Corporate Trust Administration, or at such other place or places as the Fiscal and Paying Agent
shall designate by notice to the Holder in whose name this Security is registered on the Security Register (as defined in Section 3 of this Security)), for a statement of the further rights of the Holders and the further rights, limitations of
rights, duties and indemnities thereunder of the Bank and the Fiscal and Paying Agent and of the terms upon which the Securities are, and are to be, authenticated and delivered. 

Payment of the principal and interest payable on the Maturity Date will be made by wire transfer in immediately available funds to a bank
account in the United States designated by the Holder, upon presentation and surrender of this Security at the office of the Fiscal and Paying Agent or its affiliate in New York City or at such other place or places as the Fiscal and Paying Agent
shall designate by notice to the Holder, provided that this Security is presented to the Fiscal and Paying Agent in time for the Fiscal and Paying Agent to make such payments in such funds in accordance with its normal procedures and subject to the
deposit by the Bank of sufficient funds to enable the Fiscal and Paying Agent to make such payments. Payments of interest (other than interest payable on the Maturity Date) shall be made by wire transfer in immediately available funds to a bank
account in the United States designated by the Holder in a written notice received by the Fiscal and Paying Agent not later than the applicable Record Date (as defined below). Interest payable on any Interest Payment Date (other than the Maturity
Date) shall be payable to the Holder in whose name this Security is registered at the close of business on January 15 or July 15, as the case may be (whether or not a Business Day), immediately preceding the Interest Payment Date (each
such date being referred to herein as a “Regular Record Date”), notwithstanding the cancellation of this Security after such Regular Record Date and prior to or on such Interest Payment Date. Any interest so payable, but not punctually
paid or made available for payment, on any Interest Payment Date will forthwith cease to be payable to the Holder on such Regular Record Date and such defaulted interest will be paid to the Person in whose name this Security is registered at the
close of business on a Special Record Date for the payment of such defaulted interest to be fixed by the Bank (a “Special Record Date”), notice of which shall be given to the Holder of this Security not less than 10 days prior to such
Special 

  
 A-4 

 
Record Date (the Regular Record Date and Special Record Date are referred to herein collectively as “Record Dates”). Interest payable on this Security on the Maturity Date will be
payable to the Holder to whom the principal of this Note is payable on such date. To the extent permitted by applicable law, interest shall accrue, at the rate at which interest accrues on the principal of this Security, on any amount of principal
of or interest on this Security not paid when due. All payments on this Security shall be applied first to accrued interest and the balance, if any, to principal. 

2. Payments of principal of and interest on this Security shall be made in such coin or currency of the United States of America as at the
time of payment shall be legal tender for the payment of public and private debts. Until the date on which all of the Securities shall have been surrendered or delivered to the Fiscal and Paying Agent for cancellation or destruction, or become due
and payable and a sum sufficient to pay the principal of and interest on all of the Securities shall have been made available for payment and either paid or returned to the Bank as provided herein and in the Fiscal and Paying Agency Agreement, the
Fiscal and Paying Agent or its affiliate shall at all times maintain an office or agency in New York City, where Securities may be presented or surrendered for payment; provided that, any successor Fiscal and Paying Agent appointed by the Bank as
permitted by Section 10 of this Security, or the Bank upon undertaking the performance of the functions of Fiscal and Paying Agent, shall not be required to maintain an office in New York City but shall be required to maintain an office or
agency the location of which shall be communicated promptly to the Holder of this Security. 
 3. Except as otherwise provided on the face
of this Security, this Security is transferable in whole or in part, and may be exchanged for a like aggregate principal amount of Securities of other authorized denominations, by the Holder in person, or by his, her or its attorney duly authorized
in writing, at the office of the Fiscal and Paying Agent or its affiliate in New York City. The Fiscal and Paying Agent shall maintain a register providing for the registration of the Securities and any exchange or transfer thereof (the
“Security Register”). Upon surrender or presentation of this Security for exchange or registration of transfer, the Bank shall execute and the Fiscal and Paying Agent shall authenticate and deliver in exchange therefor a Security or
Securities, each in a denomination of $250,000 or any amount in excess thereof which is an integral multiple of $1,000 which has or have an aggregate denomination equal to the denomination of this Security and is or are registered in such name or
names requested by the Holder. Any Security presented or surrendered for registration of transfer or for exchange shall (if so required by the Fiscal and Paying Agent) be duly endorsed, or accompanied by a written instrument of transfer with such
evidence of due authorization and guarantee of signature as may reasonably be required by the Fiscal and Paying Agent in form satisfactory to the Fiscal and Paying Agent, duly executed by the Holder or his, her or its attorney duly authorized in
writing, and with such tax identification number or other information for each person in whose name a Security is to be issued as the Fiscal and Paying Agent may reasonably request to comply with applicable law. No exchange or registration of
transfer of this Security shall be made on or after the fifteenth day immediately preceding the Maturity Date. 
 No service charge (other
than any cost of delivery) shall be imposed for any exchange or registration of transfer of this Security, but the Bank or Fiscal and Paying Agent may require the payment of a sum sufficient to cover any stamp or other tax or governmental charge
that may be imposed in connection therewith (or presentation of evidence that such tax or charge has been paid). 

  
 A-5 

 Prior to due presentment of this Security for registration of transfer, the Bank, the Fiscal and
Paying Agent and their respective agents may treat the Holder in whose name this Security is registered in the Security Register as the absolute owner of this Security for the purpose of receiving payments of principal of and interest on this
Security and for all other purposes whatsoever, whether or not this Security be overdue, and the Bank and the Fiscal and Paying Agent shall not be affected by any notice to the contrary. 

4. This Security is not subject to repayment at the option of the Holder prior to the Maturity Date and is not subject to any sinking fund.

 5. This Security is subject to redemption at the option of the Bank, at any time on or after January 6, 2023, in whole or in part on
no less than 10 nor more than 60 days’ prior notice delivered to the Holders. This Security will be redeemable at a redemption price equal to 100% of the principal amount of this Security to be redeemed, plus accrued and unpaid interest. If
fewer than all of the Securities are to be redeemed, the Fiscal and Paying Agent will select the Securities for redemption on a pro rata basis, by lot or by such other method in accordance with the Depository’s procedures. This Security will be
redeemed in denominations of $250,000 and integral multiples of $1,000 in excess thereof. If any Securities are to be redeemed in part only, the notice of redemption that relates to such Securities will state the portion of such Securities to be
redeemed. Unless the Bank defaults in payment of the redemption price, on and after the redemption date, interest will cease to accrue on such Securities or the portions of such Securities called for redemption. 

6. The indebtedness of the Bank evidenced by this Security, including the principal and interest, is unsecured and unsubordinated but it is
subordinate and junior in right of payment to the Bank’s obligations to its depositors and other obligations that are entitled to any priorities or preferences, such as its obligations under bankers’ acceptances and letters of credit and
its obligations to any Federal Reserve Bank or the Federal Deposit Insurance Corporation (“FDIC”) and to any rights acquired by the FDIC as a result of loans made by the FDIC to the Bank or the purchase or guarantee of any of its assets by
the FDIC pursuant to the provisions of 12 U.S.C. Section 1823(c), (d) or (e), in each case whether outstanding at the date of this Security or hereafter incurred (except any such obligations which rank on a parity with or junior to
this Security). In the case of any insolvency proceedings, receivership, conservatorship, reorganization, readjustment of debt, marshalling of assets and liabilities or similar proceedings or any liquidation, dissolution or winding-up of the Bank, whether voluntary or involuntary, all such obligations, except obligations that expressly rank on a parity with or junior to this Security, shall be entitled to be paid in full before any
payment shall be made on account of the principal of, or interest on, this Security. In the event of any such proceeding, after payment in full of all sums owing with respect to such prior obligations, the Holder of this Security, together with the
holders of any other obligations of the Bank ranking on a parity with this Security, shall be entitled to be paid from the remaining assets of the Bank, the unpaid principal of, and the unpaid interest on, this Security or such other obligations
before any payment or other distribution, whether in cash, property or otherwise, shall be made on account of any capital stock or any obligations of the Bank ranking junior to this Security. Nothing herein shall impair the obligation of the Bank,
which is absolute and unconditional, to pay the principal of and any interest on this Security in accordance with its terms. 

  
 A-6 

 7. Notwithstanding any other provisions of this Security, including specifically those set forth
in the sections relating to events of default and covenants of the Bank, it is expressly understood and agreed that the FDIC or any other receiver or conservator of the Bank shall have the right in the performance of his or her legal duties, and as
part of any transaction or plan of reorganization or liquidation designed to protect or further the continued existence of the Bank or the rights of any parties or agencies with an interest in, or claim against, the Bank or its assets, to transfer
or direct the transfer of the obligations of this Security to any national banking association, state bank or bank holding company selected by him or her which shall expressly assume the obligation of the due and punctual payment of the unpaid
principal and interest on this Security and the due and punctual performance of all covenants and conditions hereof; and that the completion of such transfer and assumption shall serve to supersede and void any default, acceleration or subordination
which may have occurred, or which may occur due or related to such transaction, plan, transfer or assumption, pursuant to the provisions of this Security, and shall serve to return the Holder to the same position, other than for substitution of the
obligor, it would have occupied had no default, acceleration or subordination occurred; except that any interest and principal previously due, other than by reason of acceleration, and not paid shall, in the absence of a contrary agreement by the
Holder of this Security, be deemed to be immediately due and payable as of the date of such transfer and assumption, together with the interest from its original due date at the rate provided for herein. 

8. Any depository institution, as that term is defined in Section 3(c)(1) of the Federal Deposit Insurance Act, which holds this Security
(or beneficial interest herein) shall be deemed to have agreed by acquiring this Security (or beneficial interest herein) that any rights of such institution to offset all or any portion of the indebtedness represented by this Security (or
beneficial interest herein) against any indebtedness or other obligations of such institution to the Bank are waived by such institution. 

9. All notices to the Bank under this Security shall be in writing and addressed to the Bank at Discover Bank, 12 Read’s Way, New Castle,
Delaware 19720, Attention: Michael F. Rickert, Vice President, Chief Financial Officer and Assistant Treasurer, with a copy to Discover Financial Services, 2500 Lake Cook Road, Riverwoods, IL 60015, Attention: D. Christopher Greene, Deputy General
Counsel and Assistant Secretary, or to such other address as the Bank may notify to the Holder. All notices to the Fiscal and Paying Agent shall be in writing and addressed to the Fiscal and Paying Agent at the office of the Fiscal and Paying Agent
at U.S. Bank National Association, 100 Wall Street—Suite 1600, New York, NY 10005, Attention: Corporate Trust Operations. All notices to the Holder shall be in writing and sent by first-class mail to the
Holder at his or its address as set forth in the Security Register. 
 10. In acting under the Fiscal and Paying Agency Agreement, the
Fiscal and Paying Agent is acting solely as the agent of the Bank and does not assume any obligation or relationship of agency or trust with the Holder except money deposited with the Fiscal and Paying Agent will be held on behalf of the Holders
until disbursed to the Holders, except as provided in the Fiscal and Paying Agency Agreement. Under the terms of the Fiscal and Paying Agency Agreement, the Bank may remove any Fiscal and Paying Agent and appoint a new

  
 A-7 

 
Fiscal and Paying Agent in respect of the Securities, or may remove any Fiscal and Paying Agent and undertake to perform at the Bank any or all of the functions of the Fiscal and Paying Agent
under the Fiscal and Paying Agency Agreement. The Bank shall notify, or cause the Fiscal and Paying Agent to notify, the Holder of this Security of the appointment of any successor Fiscal and Paying Agent or the undertaking of the Bank to perform at
the Bank the functions of the Fiscal and Paying Agent. 
 11. The Securities are issuable only as fully registered Securities without
interest coupons in denominations of $250,000 or any amount in excess thereof which is an integral multiple of $1,000. 
 12. The term
“Event of Default,” as used in this Security, means any of the following events (whatever the reason for such event and whether it shall be voluntary or involuntary or be effected by operation of law or pursuant to any judgment, decree or
order of any court or any decree, order, rule or regulation of any governmental agency or body): 
  

	 	(i)	default in the payment of any interest with respect to the Securities when due, which continues for 30 calendar days; 

  

	 	(ii)	default in the payment of any principal of the Securities when due; 

  

	 	(iii)	the entry by a court having jurisdiction in the premises of: 

  

	 	a.	a decree or order for relief in respect of the Bank in an involuntary case or proceeding under any applicable United States federal or state bankruptcy, insolvency, reorganization or other similar law; or

  

	 	b.	a decree or order appointing a conservator, receiver, liquidator, assignee, trustee, sequestrator or any other similar official of the Bank, or of substantially all of the property of the Bank, or ordering the winding
up or liquidation of the affairs of the Bank; 

 and the continuance of any such decree or order for relief or any such other
decree or order unstayed and in effect for a period of 60 consecutive days; 
  

	 	(iv)	the commencement by the Bank of a voluntary case or proceeding under any applicable United States federal or state bankruptcy, insolvency, reorganization or other similar law or of any other case or proceeding to be
adjudicated as bankrupt or insolvent, or the consent by the Bank to the entry of a decree or order for relief in an involuntary case or proceeding under any applicable United States federal or state bankruptcy, insolvency, reorganization or other
similar law or to the commencement of any bankruptcy or insolvency case or proceeding, or the filing by the Bank of a petition or answer or consent seeking reorganization or relief under any applicable United States federal or state bankruptcy,
insolvency, reorganization or similar law, or the consent by the Bank to the filing of such petition or to the appointment of or taking possession by a custodian, conservator, receiver, liquidator, assignee, trustee, sequestrator or similar official
of the Bank or of substantially all of the property of the Bank, or the making by the Bank of an assignment for the benefit of creditors, or the taking of corporate action by the Bank in furtherance of any such action. 

  
 A-8 

 The Fiscal and Paying Agency Agreement provides that the Bank will promptly notify the Fiscal and
Paying Agent, and the Fiscal and Paying Agent will promptly notify by first-class mail, postage prepaid, the Holders of the Securities, upon the occurrence of an Event of Default. 

13. If an Event of Default shall occur and be continuing, the Holder may, at its option, by written notice to the Bank and the Fiscal and
Paying Agent, declare this Security to be, and on the day of such declaration shall have been delivered to the Bank and the Fiscal and Paying Agent, unless the Fiscal and Paying Agent shall have received notice from the Bank that all Events of
Default have been cured by the Bank prior to receipt by the Fiscal and Paying Agent of such declaration, such Security shall become, immediately due and payable at its principal amount, together with accrued and unpaid interest thereon to the date
of payment. 
 The Fiscal and Paying Agency Agreement provides that the Holder of this Security may rescind a declaration of an Event of
Default and acceleration with respect to this Security under certain circumstances and may waive any past Event of Default and its consequences. 

14. Subject to Section 7 hereof, the Bank shall not consolidate with or merge into any other person or convey, transfer or lease its
properties and assets substantially as an entirety to any person, unless the person formed by such consolidation or into which the Bank is merged or the person which acquires by conveyance or transfer, or which leases, the properties and assets of
the Bank substantially as an entirety shall be a corporation, partnership or other entity organized and validly existing under the laws of the United States of America, any State thereof or the District of Columbia and shall expressly assume the due
and punctual payment of the principal of and interest on this Security and the performance or observance of every provision of this Security on the part of the Bank to be performed or observed. 

15. The Fiscal and Paying Agency Agreement provides that the Bank and the Fiscal and Paying Agent may amend the Fiscal and Paying Agency
Agreement and the Securities, including amendments to the terms of the Securities designed to cure ambiguities, defects or inconsistencies, without the consent of the Holders of the Securities, except that the consent of all Holders of Securities is
required in order to change the Maturity Date of any Security, to extend the time of payment on any overdue principal amount, to change the coin or currency in which any Security or the interest thereon is payable, to change the definition of
Interest Payment Date, to reduce the principal amount of or rate of interest on any Security, to change the method of payment to other than wire transfer in immediately available funds, to impair the right of the Holder of this Security to institute
suit for the enforcement of payments of principal of or interest or other amounts on the Securities, to reduce the percentage in principal amount of Securities outstanding the consent of whose Holders is required to amend the Fiscal and Paying
Agency Agreement or the Securities or to modify the provisions of the Fiscal and Paying Agency Agreement governing the amendment thereof and of the Securities. If the consent of the Holders of Securities is required, the Bank and the Fiscal and
Paying Agent shall request such consent and will deliver to each Holder of Securities an explanation of such amendment and the terms thereof. It shall not be necessary for the Holders of Securities to approve the precise form of any proposed
amendment. 

  
 A-9 

 Any consent or waiver given by the Holder of this Security shall be conclusive and binding upon
such Holder and upon all future Holders of this Security and of any Security issued upon the registration of transfer hereof or in exchange therefor or in lieu hereof, whether or not notation of such consent or waiver is made upon this Security.

 16. No reference herein to the Fiscal and Paying Agency Agreement and no provision of this Security shall alter or impair the obligation
of the Bank, which is absolute and unconditional, to pay the principal of and interest on this Security at the times, place and rate, and in the coin or currency, herein prescribed. No failure or delay on the part of the Holder in exercising any
right under this Security shall operate as a waiver of, or impair, any such right. No waiver of any such rights shall be effective unless given in writing. 

17. No recourse shall be had for the payment of principal of or interest on this Security for any claim based hereon, or otherwise in respect
hereof, against any shareholder, employee, agent, officer or director, as such, past, present or future, of the Bank or of any successor organization, either directly or through the Bank or any successor organization, whether by virtue of any
constitution, statute or rule of law or by the enforcement of any assessment or penalty or otherwise, all such liability being, by the acceptance hereof and as part of the consideration for the issue hereof, expressly waived and released. 

18. This Security is a debt of the Bank only and is not an obligation of Discover Financial Services or any of its affiliates other than the
Bank. 
 19. THIS SECURITY SHALL BE GOVERNED BY, AND CONSTRUED AND INTERPRETED IN ACCORDANCE WITH, THE LAWS OF THE STATE OF NEW YORK AND,
WHERE APPROPRIATE, THE LAWS OF THE UNITED STATES. 

  
 A-10 

 FEE SCHEDULE 

  
 [Fee Schedule]michaelruppertletteragre

August 7, 2014 Michael Ruppert REVISED 4411 33rd Street N Arlington, VA 22207 Dear Michael, On behalf of Mercury Systems, Inc., we are pleased to offer you the position of Senior Vice President , Strategy and Corporate Development, reporting to Mark Aslett, President and CEO. You will receive a bi-weekly salary of $12,280.77, which is $319,300.02 annually. Based upon our current Annual Executive Bonus Plan, you will also be eligible to earn an annual target bonus equal to 60% of your base pay ($191,580), based on the achievement of individual objectives (20% weighting) and Mercury Systems financial goals (80% weighting). FY15’s Financial piece of the bonus is paid in two halves dependent on H1 and H2 financial results, generally paid out in February (H1) and August (H2) and is pro-rated for FY15 based on date of hire. Your individual objectives are paid annually, generally in the August time frame. In addition to your target bonus, you will be eligible to participate with other senior executives in an FY2015 Overachievement Award pool (commencing on July 1, 2014). Your target Over Achievement award is up to 60% of your base salary. This is currently based upon Mercury Systems over achieving a budgeted financial target set by the Compensation Committee. This will be paid annually — 50% in cash generally in August and 50% to be paid out over a three year period of time. You will also be able to receive a one-time hiring bonus of $75,000.00. This hiring bonus will be payable on the first payroll cycle after your start date. If you are to voluntarily terminate employment within 12 months of receiving the hiring bonus, you will be required to pay it back. In addition, you will be granted 85,000 shares of restricted stock which will be awarded as 50% Performance based shares and 50% will be Time Based shares. The shares will be granted on the 15th of the month following your date of hire. This stock grant will have a three year vesting schedule, with the Time Based shares vesting a third each year and the Performance Based shares vesting as performance milestones are achieved. Your restricted stock award will also be subject to the terms and conditions of Mercury's 2005 Stock Incentive Plan and an award agreement between you and us. Contingent upon your acceptance of this offer, you will be eligible for a Change in Control Agreement that upon your and the companies signature will be in effect while you are employed with Mercury and subject to renewal as described in the current change in control document. If during your employment following your date of hire you should lose your job as a result of job elimination for any reason other than Cause, or if you terminate your employment for Good Reason on your part, you will receive 12 months base pay, benefits continuation and executive outplacement. "Cause" is defined to include: the willful and continued failure to perform substantially the duties and responsibilities of your position with Mercury after written demand or conviction by a court of competent jurisdiction for felony criminal conduct or a plea of nob contendere to a felony; or the willful engaging in fraud, dishonesty or other misconduct which is demonstrably and materially injurious to Mercury or our reputation, monetarily or otherwise. No act, or failure to act, on your part will be deemed "willful" unless committed or omitted by you in bad faith and without reasonable belief that your act or failure to act was in, or not opposed to, the best interest of Mercury. "Good Reason" is defined to include: a material diminution in your responsibilities, authority or duties as in effect on the date of the acceptance or a material diminution in your annual base salary, except for across-the-board salary reductions based on our financial performance similarly affecting all or substantially all senior management

 

employees of Mercury; or a material change in the geographic location at which you provide services to Mercury. In addition to your salary, Mercury offers a comprehensive benefits package, which includes health, dental, short and long-term disability, life insurance, educational reimbursement, and a 401K plan. Our current policy provides for senior executives to receive an annual reimbursement of up to $2,000 for financial planning /tax preparation This offer is contingent upon your signing and returning to us this offer letter and the enclosed Mercury Confidentiality Agreement prior to your start date, and upon you providing references and a background check each satisfactory to Mercury. This entire offer is also contingent upon the approval of the Compensation Committee of Mercury's Board of Directors. If you have any questions or concerns relating to this document, they must be resolved prior to your start date and prior to the approval of the Compensation Committee. Mercury is required to formally confirm the citizenship status of all new employees. On your first day, you will be required to provide proof of US citizenship (either passport or birth certificate) or your Green Card if you are a legal permanent resident of the U.S. If you are not a U.S. citizen or Green Card holder, please bring your passport and proof of U.S. employment eligibility. If your position requires access to classified information, you must be willing to be submitted for a security clearance. As a Federal contractor, Mercury is required to verify the employment eligibility of new employees using the government's electronic verification system after acceptance of this offer and within 3 days of date of hire. Successful verification is necessary to confirm work authorization and continued employment. By signing this offer letter you acknowledge that you understand and agree to the following: 1. You are not under any contractual or other restriction that would prevent you from working for Mercury Systems, Inc.; 2. All employment with Mercury Systems, Inc. will be at will, with either party free to terminate the employment relationship any time; 3. You must comply with the Immigration Reform and Control Act of 1986. This law requires you to establish your identity and employment eligibility. In order to satisfy these requirements, you will be required to complete Section 1 of the enclosed Employment Verification Form and bring the documents identified in Section 2 on your first day of work. 4. Additionally, it is understood that for a period of 90 days from your commencement of employment with Mercury, you may from time to time provide consulting services to your former employer provided that (i) such services present no actual or perceived conflict with Mercury's business or your duties and responsibilities at Mercury, (ii) that the time you devote to your employment with Mercury shall not at any time be less than 40 hours per week; and (iii) you will receive no additional compensation from any party for said consulting services (beyond any residual compensation to which you may be entitled from your former employer when you join Mercury). Mike, we all look forward to your joining the Mercury executive leadership team on or before October 20, 2014, or such later date as maybe mutually agreed to in writing by both parties. Together we will be able to realize our goals and accomplish great things. Please sign one copy of this offer letter and return to me in the enclosed envelope no later than August 8, 2014. Very truly yours, /s/ Mark Aslett Mark Aslett President and Chief Executive Officer Mercury Systems, Inc. /s/ Michael D. Ruppert 8/7/2014 Accepted Date 10/20/14 Start Date

 

INTERNAL OFFER LETTER Attn: Michael Ruppert, Executive Vice President, Strategy and Corporate Development Dear Mike: On behalf of Mercury Systems, Inc., I am pleased to offer you the position of Executive Vice President, Chief Financial Officer and Treasurer, reporting to me. Your compensation and benefits will continue at the Executive Vice President level, which you are currently are at, with an annual base salary of $355,400 and a target bonus of 90% payable semi- annually subject to achievement. Your start date in this new role will be February 5, 2018. Subject to Board of Directors approval, you will be granted a promotion-based restricted stock award for the number of shares of common stock equal to $900,000 divided by the average closing price of the Company’s common stock during the 30 calendar days prior to the date of grant. The award will be granted on February 15th assuming prior approval by the Compensation Committee of the Board (or if approved later, the 15th day of the month following the date of such approval). The award will be split with: (i) 50% having time-based vesting in equal annual installments over three years and (ii) 50% having performance –based cliff vesting determined using a 3-year performance-period commencing on January 1, 2018. Your restricted stock award will also be subject to the terms and conditions of Mercury’s 2005 Stock Incentive Plan and an award agreement between you and Mercury. This position is based in Mercury’s Andover, MA, corporate headquarters, and you will be based at and work out of that location. To facilitate your relocation to the Andover, MA area, you will be eligible to receive reimbursement of your reasonable relocation expenses as outlined in, and in accordance with, the terms outlined in the attached Relocation Agreement. All reimbursable relocation expenses must be incurred within 365 days of the promotion date, and associated receipts must be submitted no later than 60 days following the date the relocation expense was incurred. Please see the attached Relocation Agreement regarding the circumstances under which you will be required to repay your reimbursed relocation expenses if you leave Mercury within two (2) years of your start date in your new role. This offer letter is conditioned upon your signing and returning to us this letter and the Relocation Agreement. As with your current employment, Mercury is an “employer at will” employer. All employment with Mercury is at will, with either Mercury or you free to terminate the employment relationship at any time, with or without cause or prior notice.

 

Mike, I am looking forward to working with you in this new role. Please sign one copy of this letter and the Relocation Agreement and return them both to Emma Woodthorpe. Very truly yours, /s/ Mark Aslett Mark Aslett President and Chief Executive Officer /s/ Michael D. Ruppert Accepted

 

Wednesday, January 31, 2018 Dear Mike, Please find outlined below the terms of your relocation package, if you have any questions please contact Emma Woodthorpe. Relocation Program Benefit Benefit Limit Household Goods/Shipping/Storage Packing, transportation, storage, and delivery of household goods. (Moving company should bill Mercury Systems directly) Up to $30,000 Final Move to new location Transportation costs to move you and family to the New England area Up to $7,000 Return Trips Roundtrip airfare for return trips home while in temporary housing. Up to $6,000 Relocation Lump Sum to be paid in the first payroll after promotion date Covers expenses not included in the above. Examples include: license fees, deposits, child care, tips, pets, etc. $10,000 Temporary Housing Reimbursement for apartment lease for up to 12 months. (Lease should be in your name and monthly rent paid by you. Mercury will reimburse you upon timely submission of receipts.) Up to $24,000 Real Estate Assistance/Transactions Real Estate Assistance/Transactions. Examples include: Home Disposition Assistance, Mortgage Assistance, Closing Cost We will cover all costs of Real Estate transactions including brokerage fees. Mercury does not guarantee the value that you will receive upon sale of your house, either compared to your purchase price or current market values. Any sale at less than your purchase price or current market value will NOT be a reimbursable expense or cost. House hunting Trips House hunting trips including airfare, hotel, meals and transportation for you and your immediate family. Up to $5,000 Spouse/Partner Career Services Access to CareerArc system Up to 6 Months All receipts for reimbursement must be submitted to Accounts Payable, with a copy to Total Rewards, within 60 days of your incurring the expense. Your full relocation to the Andover, MA area must be complete within 12 months of your promotion date.

 

In consideration of Mercury’s agreement to pay certain relocation benefit amounts on your behalf, you will be required to repay Mercury Systems all costs associated with your relocation benefits for which you have been reimbursed if you voluntarily resign from your employment with Mercury Systems prior to two (2) years following your promotion date. Please indicate your acceptance to the reimbursement terms stated above by signing below and returning the signed form to the Human Resources department. Mercury Systems, Inc.: Employee: Name: Name: Title: Title: Date: Date: Signature: Signature:

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