Document:

EX-10.1

 Exhibit 10.1 

FIRST AMENDMENT 
 TO
CREDIT AGREEMENT 
 THIS FIRST AMENDMENT to Credit Agreement (this “Amendment”) is entered into as of
December 4, 2015, by and between JPMorgan Chase Bank, N.A. (“Bank”) and Harmonic Inc., a Delaware corporation (“Borrower”). 

RECITALS 

A.    Bank and Borrower have entered into that certain Credit Agreement, dated as of December 22, 2014 (as the
same may from time to time be further amended, modified, supplemented, restated, or amended and restated, the “Credit Agreement”). 

B.    Bank has extended credit to Borrower for the purposes permitted in the Credit Agreement. 

C.    Borrower has requested that Bank amend the Credit Agreement as more fully set forth herein. 

D.    Bank has agreed to so amend certain provisions of the Credit Agreement, but only to the extent, in accordance
with the terms, subject to the conditions and in reliance upon the representations and warranties set forth below. 

AGREEMENT 

NOW, THEREFORE, in consideration of the foregoing recitals and other good and valuable consideration, the
receipt and adequacy of which is hereby acknowledged, and intending to be legally bound, the parties hereto agree as follows: 

1.    Definitions. Capitalized terms used but not defined in this Amendment shall have the meanings given to them
in the Credit Agreement. 
 2.    Amendments to Credit Agreement. The Credit Agreement shall be amended as
follows: 
  

	 	(a)	All references to the Credit Agreement in the Credit Agreement or the Related Documents shall refer to the Credit Agreement as amended hereby. 

 

	 	(b)	The following definition shall be added to Section 2.1 of the Credit Agreement in the appropriate alphabetical order: 

“Convertible Debt Security” means any unsecured debt security issued by Borrower the terms of which provide for the conversion
thereof into capital stock of Borrower, cash or a combination thereof. 
  

	 	(c)	The defined term “Permitted Indebtedness” in Section 2.1 of the Credit Agreement is amended to add the following new clause (13) at the end thereof as follows: 

“and (13) Indebtedness consisting of Convertible Debt Securities in an aggregate principal amount at any time outstanding no greater
than One Hundred Forty Three Million Seven Hundred and Fifty Thousand Dollars ($143,750,000).” 

3.    Limitation of Amendments. 

3.1    The amendment set forth in Section 2, above, is effective for the purposes set forth herein and
shall be limited precisely as written and shall not be deemed to (a) be a consent to any 

 
amendment, waiver or modification of any other term or condition of any Related Document, or (b) otherwise prejudice any right or remedy which Bank may now have or may have in the future
under or in connection with any Related Document. 
 3.2    This Amendment shall be construed in connection with
and as part of the Related Documents and all terms, conditions, representations, warranties, covenants and agreements set forth in the Related Documents, except as herein amended, are hereby ratified and confirmed and shall remain in full force and
effect. 
 4.    Representations and Warranties. To induce Bank to enter into this Amendment, Borrower hereby
represents and warrants to Bank as follows: 
 4.1    Immediately after giving effect to this Amendment
(a) the representations and warranties contained in the Credit Agreement are true, accurate and complete in all material respects as of the date hereof (except to the extent such representations and warranties relate to an earlier date, in
which case they are true and correct in all material respects as of such date), and (b) no Event of Default has occurred and is continuing; 

4.2    Borrower has the power and authority to execute and deliver this Amendment and to perform its obligations
under the Credit Agreement, as amended by this Amendment; 
 4.3    The Organizational Documents of Borrower
delivered to Bank on the Effective Date remain true, accurate and complete and have not been amended, supplemented or restated and are and continue to be in full force and effect; 

4.4    The execution and delivery by Borrower of this Amendment and the performance by Borrower of its obligations
under the Credit Agreement, as amended by this Amendment, have been duly authorized; 
 4.5    The execution and
delivery by Borrower of this Amendment and the performance by Borrower of its obligations under the Credit Agreement, as amended by this Amendment, do not and will not contravene (a) any law or regulation binding on or affecting Borrower,
(b) any contractual restriction with a Person binding on Borrower, (c) any order, judgment or decree of any court or other governmental or public body or authority, or subdivision thereof, binding on Borrower, or (d) the
Organizational Documents of Borrower; 
 4.6    The execution and delivery by Borrower of this Amendment and the
performance by Borrower of its obligations under the Credit Agreement, as amended by this Amendment, do not require any order, consent, approval, license, authorization or validation of, or filing, recording or registration with, or exemption by any
governmental or public body or authority, or subdivision thereof, binding on either Borrower, except as already has been obtained or made; and 

4.7    This Amendment has been duly executed and delivered by Borrower and is the binding obligation of Borrower,
enforceable against Borrower in accordance with its terms, except as such enforceability may be limited by bankruptcy, insolvency, reorganization, liquidation, moratorium or other similar laws of general application and equitable principles relating
to or affecting creditors’ rights. 
 5.    Counterparts. This Amendment may be executed in any number of
counterparts and all of such counterparts taken together shall be deemed to constitute one and the same instrument. 

6.    Effectiveness. This Amendment shall be deemed effective upon (a) the due execution and delivery to Bank
of this Amendment by each party hereto, and (b) Borrower’s payment of all Bank expenses incurred through the date of this Amendment, which amount shall be automatically debited by Bank from any of Borrower’s accounts with Bank on or
prior to the date hereof. 
 [Signature page follows] 

  
 2 

 IN WITNESS WHEREOF, the parties hereto have
caused this Amendment to be duly executed and delivered as of the date first written above. 
  

									
	BANK	 		 	BORROWER
			
	JPMorgan Chase Bank, N.A.	 		 	Harmonic Inc.
					
	By:	 	/s/ Robert Hartinger	 		 	By:	 	/s/ Timothy C. Chu
	Name:	 	Robert Hartinger	 		 	Name:	 	Timothy C. Chu
	Title:	 	Executive Director	 		 	Title:	 	VP, General Counsel and SecretaryEX-10.2

 Exhibit 10.2 

HARMONIC INC. 
 (a Delaware
corporation) 
 $125,000,000 

4.00% Convertible Senior Notes due 2020 

PURCHASE AGREEMENT 
 Dated:
December 8, 2015 

 HARMONIC INC. 

(a Delaware corporation) 

$125,000,000 
 4.00% Convertible
Senior Notes due 2020 
 PURCHASE AGREEMENT 

December 8, 2015 
  

	
	 Merrill Lynch, Pierce, Fenner & Smith

Incorporated

 as Representative of the several Initial Purchasers 

One Bryant Park 
 New York, New York 10036 

Ladies and Gentlemen: 
 Harmonic Inc., a
Delaware corporation (the “Company”), confirms its agreement with Merrill Lynch, Pierce, Fenner & Smith Incorporated (“Merrill Lynch”) and each of the other Initial Purchasers named in Schedule A hereto (collectively,
the “Initial Purchasers,” which term shall also include any initial purchaser substituted as hereinafter provided in Section 11 hereof), for whom Merrill Lynch is acting as representative (in such capacity, the
“Representative”), with respect to (i) the sale by the Company and the purchase by the Initial Purchasers, acting severally and not jointly, of the respective principal amounts set forth in said Schedule A of $125,000,000
aggregate principal amount of the Company’s 4.00% Convertible Senior Notes due 2020 (the “Initial Securities”) and (ii) the grant by the Company to the Initial Purchasers, acting severally and not jointly, of the option to
purchase all or any part of an additional $18,750,000 aggregate principal amount of its 4.00% Convertible Senior Notes due 2020 (the “Option Securities” and, together with the Initial Securities, the “Securities”) as provided in
Section 2(b) hereof. The Securities are to be issued pursuant to an indenture dated as of December 14, 2015 (the “Indenture”) between the Company and U.S. Bank National Association, as trustee (the “Trustee”). The
Securities will be convertible into cash, shares of the Company’s common stock, par value $0.001 per share (the “Common Stock”), or a combination of cash and shares of Common Stock, at the Company’s election. 

The Company understands that the Initial Purchasers propose to make an offering of the Securities on the terms and in the manner set forth
herein and agrees that the Initial Purchasers may resell, subject to the conditions set forth herein, all or a portion of the Securities to purchasers (“Subsequent Purchasers”) at any time after this Agreement has been executed and
delivered. The Securities are to be offered and sold through the Initial Purchasers without being registered under the Securities Act of 1933, as amended (the “1933 Act”), in reliance upon exemptions therefrom. Pursuant to the terms
of the Securities and the Indenture, investors that acquire Securities may only resell or otherwise transfer such Securities if such Securities are hereafter registered under the 1933 Act or if an exemption from the registration requirements of
the 1933 Act is available (including the exemption afforded by Rule 144A (“Rule 144A”) of the rules and regulations promulgated under the 1933 Act (the “1933 Act Regulations”) by the Securities and Exchange
Commission (the “Commission”)). 

  
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 The Company has prepared and delivered to each Initial Purchaser copies of a preliminary offering
memorandum dated December 7, 2015 prior to the Applicable Time (as defined below) (the “Preliminary Offering Memorandum”) and has prepared and will deliver to each Initial Purchaser, on the date hereof or the next succeeding day or
such later date specified by each Initial Purchaser, copies of a final offering memorandum December 8, 2015 (the “Final Offering Memorandum”), each for use by such Initial Purchaser in connection with its solicitation of purchases of,
or offering of, the Securities. “Offering Memorandum” means, with respect to any date or time referred to in this Agreement, the most recent offering memorandum (whether the Preliminary Offering Memorandum or the Final Offering Memorandum,
or any amendment or supplement to either such document), including exhibits thereto and any documents incorporated therein by reference, which has been prepared and delivered by the Company to the Initial Purchasers, in the case of the Preliminary
Offering Memorandum prior to the Applicable Time, in connection with their solicitation of purchases of, or offering of, the Securities. The Company will prepare a final term sheet reflecting the final terms of the Securities, in the form set forth
in Schedule B hereto (the “Final Term Sheet”), and will deliver such Final Term Sheet to the Initial Purchasers prior to the Applicable Time in connection with their solicitation of purchases of, or offering of, the Securities. Each party
agrees that, unless it obtains the prior written consent of such other party, it will not make any offer relating to the Securities by any written materials other than the Offering Memorandum and the Issuer Written Information. “Issuer Written
Information” means (i) any writing intended for general distribution to investors as evidenced by its being specified in Schedule C hereto, including the Final Term Sheet, and (ii) any “road show” that is a “written
communication” within the meaning of the 1933 Act. “General Disclosure Package” means the Preliminary Offering Memorandum and any Issuer Written Information specified on Schedule C hereto and issued at or prior to 8:15 P.M. New York
City time, on December 8, 2015 or such other time as agreed by the Company and Merrill Lynch (such date and time, the “Applicable Time”). 

All references in this Agreement to financial statements and schedules and other information which is “contained,”
“included” or “stated” in the Offering Memorandum (or other references of like import) shall be deemed to mean and include all such financial statements and schedules and other information which are incorporated by reference in
the Offering Memorandum; and all references in this Agreement to amendments or supplements to the Offering Memorandum shall be deemed to mean and include the filing of any document under the Securities Exchange Act of 1934 (the
“1934 Act”) which is incorporated by reference in the Offering Memorandum. 
 SECTION 1. Representations and
Warranties. 
 (a) Representations and Warranties by the Company. The Company represents and warrants to each Initial
Purchaser as of the date hereof, the Applicable Time, the Closing Time (as defined below) and any Date of Delivery (as defined below), and agrees with each Initial Purchaser, as follows: 

(i) General Disclosure Package; Rule 144A Eligibility. The Company hereby confirms that it has authorized the use
of the General Disclosure Package, including the Preliminary Offering Memorandum and the Final Term Sheet, and the Final Offering Memorandum in connection with the offer and sale of the Securities by the Initial Purchasers. The Securities satisfy
the requirements set forth in Rule 144A(d)(3). 
 (ii) No Registration Required; No General Solicitation. Subject to
compliance by the Initial Purchasers with the representations and warranties of the Initial Purchasers and the procedures set forth in Section 6 hereof, it is not necessary in connection with the offer, sale and delivery of the offered
Securities to the Initial Purchasers and to each Subsequent Purchaser in the manner contemplated by this Agreement, the General Disclosure Package and the Final Offering Memorandum to register the Securities under the 1933 Act or to qualify the
Indenture under the 

  
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Trust Indenture Act of 1939, as amended (the “1939 Act”). None of the Company, its Affiliates or any person acting on its or any of their behalf (other than the Initial Purchasers and
persons acting on their behalf, as to whom the Company makes no representation) has engaged, in connection with the offering of the offered Securities, in any form of general solicitation or general advertising within the meaning of Rule 502(c)
under the 1933 Act Regulations. 
 (iii) Accurate Disclosure. As of the Applicable Time, neither (A) the General
Disclosure Package nor (B) any Issuer Written Information, when considered together with the General Disclosure Package, included, includes or will include an untrue statement of a material fact or omitted, omits or will omit to state a
material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading. The Final Offering Memorandum, as of its date, at the Closing Time or at any Date of Delivery, did not,
does not and will not contain an untrue statement of a material fact or omit to state a material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading. The documents
incorporated or deemed to be incorporated by reference in the General Disclosure Package and the Final Offering Memorandum, when such documents incorporated by reference were filed with the Commission, when read together with the other information
in the General Disclosure Package or the Final Offering Memorandum, as the case may be, did not, does not and will not contain an untrue statement of a material fact or omit to state a material fact necessary in order to make the statements therein,
in the light of the circumstances under which they were made, not misleading. 
 The representations and warranties in this
subsection shall not apply to statements in or omissions from the General Disclosure Package or the Final Offering Memorandum made in reliance upon and in conformity with written information furnished to the Company by any Initial Purchaser through
Merrill Lynch expressly for use therein. For purposes of this Agreement, the only information so furnished shall be [the information in the second and third sentences under the heading “Plan of Distribution–Notes are Not Being
Registered,” and the information in the first paragraph under the heading “Plan of Distribution–Price Stabilization, Short Positions” in the Offering Memorandum (collectively, the “Initial Purchaser Information”). 

(iv) Incorporation of Documents by Reference. The documents incorporated or deemed to be incorporated by reference in
the Offering Memorandum, when they became effective or at the time they were or hereafter are filed with the Commission, complied and will comply in all material respects with the requirements of the 1934 Act and the rules and regulations of the
Commission under the 1934 Act (the “1934 Act Regulations”). 
 (v) Independent Accountants. The accountants
who certified the financial statements and supporting schedules included in the Offering Memorandum are independent public accountants as required by the 1933 Act, the 1933 Act Regulations, the 1934 Act, the 1934 Act Regulations and the Public
Company Accounting Oversight Board. 
 (vi) Financial Statements. The financial statements included or incorporated by
reference in the General Disclosure Package and the Final Offering Memorandum, together with the related schedules and notes, present fairly in all material respects the financial position of the Company and its consolidated subsidiaries at the
dates indicated and the statement of operations, stockholders’ equity and cash flows of the Company and its consolidated subsidiaries for the periods specified; said financial statements have been prepared in conformity with U.S. generally
accepted accounting principles (“GAAP”) applied on a consistent basis throughout the periods involved. The supporting schedules, if any, present fairly in all material respects in accordance with GAAP the information required to be stated
therein. The selected financial data and the 

  
 3 

 
summary financial information included in the Offering Memorandum present fairly in all material respects the information shown therein and have been compiled on a basis consistent with that of
the audited financial statements included therein. The interactive data in eXtensible Business Reporting Language incorporated by reference in the General Disclosure Package and the Final Offering Memorandum fairly presents the information called
for in all material respects and has been prepared in accordance with the Commission’s rules and guidelines applicable thereto. 

(vii) No Material Adverse Change in Business. Except as otherwise stated therein, since the respective dates as of which
information is given in the General Disclosure Package or the Final Offering Memorandum, (A) there has been no material adverse change in the condition, financial or otherwise, or in the earnings, business affairs or business prospects of the
Company and its subsidiaries considered as one enterprise, whether or not arising in the ordinary course of business (a “Material Adverse Effect”) and (B) there have been no transactions entered into by the Company or any of its
subsidiaries, other than those in the ordinary course of business, which are material with respect to the Company and its subsidiaries considered as one enterprise. 

(viii) Good Standing of the Company. The Company has been duly organized and is validly existing as a corporation in
good standing under the laws of the State of Delaware and has corporate power and authority to own, lease and operate its properties and to conduct its business as described in the General Disclosure Package and the Final Offering Memorandum and to
enter into and perform its obligations under this Agreement; and the Company is duly qualified as a foreign corporation to transact business and is in good standing in each other jurisdiction in which such qualification is required, whether by
reason of the ownership or leasing of property or the conduct of business, except where the failure so to qualify or to be in good standing would not result in a Material Adverse Effect. 

(ix) Good Standing of Subsidiaries. Each “significant subsidiary” of the Company (as such term is defined in
Rule 1-02 of Regulation S-X) (each, a “Subsidiary” and, collectively, the “Subsidiaries”) has been duly organized and is validly existing in good standing under the laws of the jurisdiction of its incorporation or organization,
has corporate or similar power and authority to own, lease and operate its properties and to conduct its business as described in the General Disclosure Package and the Final Offering Memorandum and is duly qualified to transact business and is in
good standing in each jurisdiction in which such qualification is required, whether by reason of the ownership or leasing of property or the conduct of business, except where the failure to so qualify or to be in good standing would not result in a
Material Adverse Effect. Except as otherwise disclosed in the General Disclosure Package and the Final Offering Memorandum, all of the issued and outstanding capital stock of each Subsidiary has been duly authorized and validly issued, is fully paid
and non-assessable and is owned by the Company, directly or through subsidiaries, free and clear of any security interest, mortgage, pledge, lien, encumbrance, claim or equity. None of the outstanding shares
of capital stock of any Subsidiary was issued in violation of the preemptive or similar rights of any securityholder of such Subsidiary. The Company does not own or control, directly or indirectly, any corporation, association or other entity other
than the subsidiaries listed in Exhibit 21 to the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2014. 

(x) Capitalization. The authorized, issued and outstanding shares of capital stock of the Company are as set forth in
the General Disclosure Package and the Final Offering Memorandum in the column entitled “Actual” under the caption “Capitalization” (except for subsequent issuances, if any, pursuant to this Agreement, pursuant to reservations,
agreements or employee benefit plans referred to in the General Disclosure Package and the Final Offering Memorandum or pursuant to the exercise of convertible securities or options referred to in the General Disclosure Package and the Final
Offering Memorandum). 

  
 4 

 (xi) Authorization of Agreement. This Agreement has been duly authorized,
executed and delivered by the Company. 
 (xii) Authorization of the Indenture. The Indenture has been duly authorized
by the Company and, when duly executed and delivered by the Company and the Trustee, will constitute a valid and binding agreement of the Company, enforceable against the Company in accordance with its terms, except as the enforcement thereof may be
limited by bankruptcy, insolvency (including, without limitation, all laws relating to fraudulent transfers), reorganization, moratorium or similar laws affecting enforcement of creditors’ rights generally and except as enforcement thereof is
subject to general principles of equity, including the principles of good faith, commercial reasonableness and fair dealing (regardless of whether enforcement is considered in a proceeding in equity or at law). 

(xiii) Authorization of the Securities and the Conversion Shares. The Securities have been duly authorized and, at the
Closing Time, will have been duly executed by the Company and, when authenticated, issued and delivered in the manner provided for in the Indenture and delivered against payment of the purchase price therefor as provided in this Agreement, will
constitute valid and binding obligations of the Company, enforceable against the Company in accordance with their terms, except as the enforcement thereof may be limited by bankruptcy, insolvency (including, without limitation, all laws relating to
fraudulent transfers), reorganization, moratorium or similar laws affecting enforcement of creditors’ rights generally and except as enforcement thereof is subject to general principles of equity, including the principles of good faith,
commercial reasonableness and fair dealing (regardless of whether enforcement is considered in a proceeding in equity or at law), and will be in the form contemplated by, and entitled to the benefits of, the Indenture. The maximum number of shares
of Common Stock initially issuable upon conversion of the Securities (taking into account any make-whole adjustment and assuming physical settlement (as defined in the Final Offering Memorandum) of the Securities (the “Conversion Shares”))
(which for the avoidance of doubt will not take into effect any changes in the conversion ratio) have been duly authorized and reserved for issuance upon such conversion by all necessary corporate action and such shares, when issued upon such
conversion in accordance with the terms of the Indenture, will be validly issued and will be fully paid and non-assessable; and the issuance of such shares upon such conversion will not be subject to the preemptive or other similar rights of any
securityholder of the Company. 
 (xiv) Description of the Securities, the Common Stock and the Indenture. The
Securities and the Indenture will conform in all material respects to the respective statements relating thereto contained in the General Disclosure Package and the Final Offering Memorandum. The Common Stock conforms to all statements relating
thereto contained or incorporated by reference in the General Disclosure Package and the Final Offering Memorandum and such description conforms to the rights set forth in the instruments defining the same. 

(xv) Reserved. 

(xvi) Absence of Violations, Defaults and Conflicts. Neither the Company nor any of its subsidiaries is (A) in
violation of its charter, by-laws or similar organizational document, (B) in default in the performance or observance of any obligation, agreement, covenant or condition contained in any contract, indenture, mortgage, deed of trust, loan or
credit agreement, note, lease 

  
 5 

 
or other agreement or instrument to which the Company or any of its subsidiaries is a party or by which it or any of them may be bound or to which any of the properties or assets of the Company
or any subsidiary is subject (collectively, “Agreements and Instruments”), except for such defaults that would not, singly or in the aggregate, result in a Material Adverse Effect, or (C) in violation of any law, statute, rule,
regulation, judgment, order, writ or decree of any arbitrator, court, governmental body, regulatory body, administrative agency or other authority, body or agency having jurisdiction over the Company or any of its subsidiaries or any of their
respective properties, assets or operations (each, a “Governmental Entity”), except for such violations that would not, singly or in the aggregate, result in a Material Adverse Effect. The execution, delivery and performance of this
Agreement and the consummation of the transactions contemplated herein and therein in the General Disclosure Package and the Final Offering Memorandum (including the issuance and sale of the Securities and the use of the proceeds from the sale of
the Securities as described therein under the caption “Use of Proceeds”) and compliance by the Company with its obligations hereunder have been duly authorized by all necessary corporate action and do not and will not, whether with or
without the giving of notice or passage of time or both, conflict with or constitute a breach of, or default or Repayment Event (as defined below) under, or result in the creation or imposition of any lien, charge or encumbrance upon any properties
or assets of the Company or any subsidiary pursuant to, the Agreements and Instruments or any law, statute, rule, regulation, judgment, order, writ or decree of any Governmental Entity (except for such conflicts, breaches, defaults or Repayment
Events or liens, charges or encumbrances that would not, singly or in the aggregate, result in a Material Adverse Effect), nor will such action result in any violation of the provisions of the charter, by-laws or similar organizational document of
the Company or any of its subsidiaries. As used herein, a “Repayment Event” means any event or condition which gives the holder of any note, debenture or other evidence of indebtedness (or any person acting on such holder’s behalf)
the right to require the repurchase, redemption or repayment of all or a portion of such indebtedness by the Company or any of its subsidiaries. 

(xvii) Absence of Labor Dispute. No labor dispute with the employees of the Company or any of its subsidiaries exists
or, to the knowledge of the Company, is imminent, and the Company is not aware of any existing or imminent labor disturbance by the employees of any of its or any subsidiary’s principal suppliers, manufacturers, customers or contractors, which,
in either case, would result in a Material Adverse Effect. 
 (xviii) Absence of Proceedings. Except as disclosed in
the General Disclosure Package and the Final Offering Memorandum, there is no action, suit, proceeding, inquiry or investigation before or brought by any Governmental Entity now pending or, to the knowledge of the Company, threatened in writing,
against or affecting the Company or any of its subsidiaries, which might result in a Material Adverse Effect, or which might materially and adversely affect their respective properties or assets or the consummation of the transactions contemplated
in this Agreement or the performance by the Company of its obligations hereunder. 
 (xix) Absence of Further
Requirements. No filing with, or authorization, approval, consent, license, order, registration, qualification or decree of, any Governmental Entity is necessary or required for the performance by the Company of its obligations hereunder, in
connection with the offering, issuance or sale of the Securities hereunder or the consummation of the transactions contemplated by this Agreement or for the due execution, delivery and performance of the Indenture, except such as have been already
obtained or such as may be required under the Blue Sky or similar laws of any jurisdiction in connection with the purchase and distribution of the Securities by the Initial Purchaser in the manner contemplated by this Agreement and in the Offering
Memorandum and the rules and regulations of The NASDAQ Global Select Market. 

  
 6 

 (xx) Possession of Licenses and Permits. The Company and its subsidiaries
possess such permits, licenses, approvals, consents and other authorizations (collectively, “Governmental Licenses”) issued by the appropriate Governmental Entities necessary to conduct the business now operated by them, except where the
failure so to possess would not, singly or in the aggregate, result in a Material Adverse Effect. The Company and its subsidiaries are in compliance with the terms and conditions of all Governmental Licenses, except where the failure so to comply
would not, singly or in the aggregate, result in a Material Adverse Effect. All of the Governmental Licenses are valid and in full force and effect, except when the invalidity of such Governmental Licenses or the failure of such Governmental
Licenses to be in full force and effect would not, singly or in the aggregate, result in a Material Adverse Effect. Neither the Company nor any of its subsidiaries has received any notice of proceedings relating to the revocation or modification of
any Governmental Licenses which, singly or in the aggregate, if the subject of an unfavorable decision, ruling or finding, would result in a Material Adverse Effect. 

(xxi) Title to Property. Neither the Company nor its subsidiaries own real property; and all of the leases and subleases
under which the Company or any of its subsidiaries holds properties described in the General Disclosure Package and the Final Offering Memorandum, are in full force and effect, and neither the Company nor any such subsidiary has any notice of any
material claim of any sort that has been asserted by anyone adverse to the rights of the Company or any subsidiary under any of the leases or subleases mentioned above, or affecting or questioning the rights of the Company or such subsidiary to the
continued possession of the leased or subleased premises under any such lease or sublease. 
 (xxii) Possession of
Intellectual Property. To the Company’s knowledge, the Company and its subsidiaries own or possess adequate rights to use or can acquire on commercially reasonable terms all inventions, patents, trademarks, service marks, trade names,
domain names, copyrights, licenses, technology, know-how, trade secrets and other intellectual property and proprietary or confidential information, systems or procedures (including all goodwill associated with, and all registrations and
applications for registration of, the foregoing) (collectively, “Intellectual Property”) material to the conduct of its businesses as currently conducted. To the Company’s knowledge, the conduct of the business of the Company and its
subsidiaries as currently conducted does not infringe, misappropriate or otherwise violate any Intellectual Property of others. Except as would not, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect, there is
no currently pending or, to the Company’s knowledge, threatened action, suit, proceeding or claim (i) challenging the Company’s or any of its subsidiary’s rights in or to, any of the Intellectual Property owned by the Company or
any subsidiary of the Company; (ii) alleging that the Company or any of its subsidiaries has infringed, misappropriated or otherwise violated or conflicted with any Intellectual Property of any third party; or (iii) challenging the
validity, scope or enforceability of any Intellectual Property registered by the Company or any of its subsidiaries, other than office actions received in the ordinary course of prosecuting and maintaining such Intellectual Property, and in the case
of each of (i), (ii) and (iii), the Company is unaware of any facts which would form a reasonable basis for any such action, suit, proceeding or claim which would, individually or in the aggregate, result in a Material Adverse Effect. To the
Company’s knowledge and except as would not, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect, (x) all finally issued registered Intellectual Property that is owned by the Company or any of its
subsidiaries is not invalid or unenforceable, and (y) all registered Intellectual Property owned by the Company or a subsidiary of the Company, is owned free and clear of all third-party liens. 

  
 7 

 (xxiii) Environmental Laws. Except as described in the General Disclosure
Package and the Final Offering Memorandum or would not, singly or in the aggregate, result in a Material Adverse Effect, (A) neither the Company nor any of its subsidiaries is in violation of any federal, state, local or foreign statute, law,
rule, regulation, ordinance, code, policy or rule of common law or any judicial or administrative interpretation thereof, including any judicial or administrative order, consent, decree or judgment, relating to pollution or protection of human
health, the environment (including, without limitation, ambient air, surface water, groundwater, land surface or subsurface strata) or wildlife, including, without limitation, laws and regulations relating to the release or threatened release of
chemicals, pollutants, contaminants, wastes, toxic substances, hazardous substances, petroleum or petroleum products, asbestos-containing materials or mold (collectively, “Hazardous Materials”) or to the manufacture, processing,
distribution, use, treatment, storage, disposal, transport or handling of Hazardous Materials (collectively, “Environmental Laws”), (B) the Company and its subsidiaries have all permits, authorizations and approvals required under any
applicable Environmental Laws and are each in compliance with their requirements, (C) there are no pending or, to the Company’s knowledge, threatened administrative, regulatory or judicial actions, suits, demands, demand letters, claims,
liens, notices of noncompliance or violation, investigation or proceedings relating to any Environmental Law against the Company or any of its subsidiaries and (D) there are no events or circumstances that would reasonably be expected to form
the basis of an order for clean-up or remediation, or an action, suit or proceeding by any private party or Governmental Entity, against or affecting the Company or any of its subsidiaries relating to Hazardous Materials or any Environmental Laws.

 (xxiv) Accounting Controls and Disclosure Controls. The Company and each of its subsidiaries maintain effective
internal control over financial reporting (as defined under Rule 13-a15 and 15d-15 under the 1934 Act Regulations) that complies with the requirements of the Exchange
Act and has been designed by the Company’s principal executive officer and principal financial officer, or under their supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of
financial statements for external purposes in accordance with GAAP. The Company maintains a system of internal accounting controls sufficient to provide reasonable assurances that (A) transactions are executed in accordance with
management’s general or specific authorization; (B) transactions are recorded as necessary to permit preparation of financial statements in conformity with GAAP and to maintain accountability for assets; (C) access to assets is
permitted only in accordance with management’s general or specific authorization; (D) the recorded accountability for assets is compared with the existing assets at reasonable intervals and appropriate action is taken with respect to any
differences; and (E) that the interactive data in eXtensible Business Reporting Language incorporated by reference in the General Disclosure Package and the Final Offering Memorandum fairly presents the information called for in all material
respects and is prepared in accordance in all material respects with the Commission’s rules and guidelines applicable thereto. Except as described in the General Disclosure Package and the Final Offering Memorandum, since the end of the
Company’s most recent audited fiscal year, there has been (1) no material weakness in the Company’s internal control over financial reporting (whether or not remediated) and (2) no change in the Company’s internal control
over financial reporting that has materially affected, or is reasonably likely to materially affect, the Company’s internal control over financial reporting. The Company and each of its subsidiaries maintain an effective system of disclosure
controls and procedures (as defined in Rule 13a-15 and Rule 15d-15 under the 1934 Act Regulations) that are designed to ensure that information required to be disclosed
by the Company in the reports that it files or submits under the 1934 Act is recorded, processed, summarized and reported, within the time periods specified in the Commission’s rules and forms, and is accumulated and communicated to the
Company’s management, including its principal executive officer or officers and principal financial officer or officers, as appropriate, to allow timely decisions regarding disclosure. 

  
 8 

 (xxv) Compliance with the Sarbanes-Oxley Act. There is and, in the past
five years, has been no failure on the part of the Company or any of the Company’s directors or officers, in their capacities as such, to comply in all material respects with any provision of the Sarbanes-Oxley Act of 2002 and the rules and
regulations promulgated in connection therewith, including Section 402 related to loans and Sections 302 and 906 related to certifications. 

(xxvi) Payment of Taxes. All U.S. federal income tax returns of the Company and its subsidiaries required by law to be
filed have been filed and all taxes shown by such returns or otherwise assessed, which are due and payable, have been paid, except assessments against which appeals have been or will be promptly taken and as to which adequate reserves have been
provided. No assessment in connection with the U.S. federal income tax returns of the Company through the fiscal year ended December 31, 2014 has been made against the Company. The Company and its subsidiaries have filed all other tax returns
that are required to have been filed by them pursuant to applicable foreign, state, local or other law and have paid all taxes due pursuant to such returns or pursuant to any assessment received by the Company and its subsidiaries, except for such
taxes, if any, as are being contested in good faith and as to which adequate reserves have been established by the Company, except, in each case, insofar as the failure to file such returns or pay such taxes was described in the General Disclosure
Package and the Final Offering Memorandum or would not result in a Material Adverse Effect. The charges, accruals and reserves on the books of the Company in respect of any income and corporation tax liability for any years not finally determined
are adequate to meet any assessments or re-assessments for additional income tax for any years not finally determined, except to the extent of any inadequacy that was described in the General Disclosure Package and the Final Offering Memorandum or
would not result in a Material Adverse Effect. 
 (xxvii) Insurance. The Company and its subsidiaries carry or are
entitled to the benefits of insurance, with financially sound and reputable insurers, in such amounts and covering such risks as is generally maintained by companies of established repute engaged in the same or similar business, and all such
insurance is in full force and effect. The Company has no reason to believe that it or any of its subsidiaries will not be able (A) to renew its existing insurance coverage as and when such policies expire or (B) to obtain comparable
coverage from similar institutions as may be necessary or appropriate to conduct its business as now conducted and at a cost that would not result in a Material Adverse Effect. Neither of the Company nor any of its subsidiaries has been denied any
insurance coverage which it has sought or for which it has applied. 
 (xxviii) Investment Company Act. The Company is
not required, and upon the issuance and sale of the Securities as herein contemplated and the application of the net proceeds therefrom as described in the General Disclosure Package and the Final Offering Memorandum will not be required, to
register as an “investment company” under the Investment Company Act of 1940, as amended (the “1940 Act”). 

(xxix) Absence of Manipulation. Neither the Company nor any affiliate of the Company has taken, nor will the Company or
any affiliate take, directly or indirectly, any action which is designed, or would be expected, to cause or result in, or which constitutes, a violation of Regulation M under the 1934 Act. 

  
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 (xxx) Foreign Corrupt Practices Act. None of the Company, any of its
subsidiaries or, to the knowledge of the Company, any director, officer, agent, employee, controlled affiliate or other person acting on behalf of the Company or any of its subsidiaries has taken any action, directly or indirectly, that would result
in a violation by such persons of the Foreign Corrupt Practices Act of 1977, as amended, and the rules and regulations thereunder (the “FCPA”), including, without limitation, making use of the mails or any means or instrumentality of
interstate commerce corruptly in furtherance of an offer, payment, promise to pay or authorization of the payment of any money, or other property, gift, promise to give, or authorization of the giving of anything of value to any “foreign
official” (as such term is defined in the FCPA) or any foreign political party or official thereof or any candidate for foreign political office, in contravention of the FCPA and the Company has conducted its businesses in compliance with the
FCPA and has instituted and maintains policies and procedures reasonably designed to ensure, and which are reasonably expected to continue to ensure, continued compliance therewith. 

(xxxi) Money Laundering Laws. The operations of the Company and its subsidiaries are and have been conducted at all
times in compliance in all material respects with applicable financial recordkeeping and reporting requirements of the Currency and Foreign Transactions Reporting Act of 1970, as amended, the money laundering statutes of all jurisdictions, the rules
and regulations thereunder and any related or similar rules, regulations or guidelines, issued, administered or enforced by any Governmental Entity (collectively, the “Money Laundering Laws”); and no action, suit or proceeding by or before
any Governmental Entity involving the Company or any of its subsidiaries with respect to the Money Laundering Laws is pending or, to the best knowledge of the Company, threatened. 

(xxxii) OFAC. None of the Company, any of its subsidiaries or, to the knowledge of the Company, any director, officer,
agent, employee, affiliate or representative of the Company or any of its subsidiaries is an individual or entity (“Person”) currently the subject of any sanctions administered or enforced by the United States Government, including,
without limitation, the U.S. Department of the Treasury’s Office of Foreign Assets Control (“OFAC”), the United Nations Security Council (“UNSC”), the European Union, Her Majesty’s Treasury (“HMT”), or other
relevant sanctions authority (collectively, “Sanctions”), nor is the Company located, organized or resident in a country or territory that is the subject of Sanctions; and the Company will not directly or indirectly use the proceeds of the
sale of the Securities, or lend, contribute or otherwise make available such proceeds to any subsidiaries, joint venture partners or other Person, to fund any activities of or business with any Person, or in any country or territory, that, at the
time of such funding, is the subject of Sanctions, to extent that it would be in violations of the Sanctions, or in any other manner that will result in a violation by any Person (including any Person participating in the transaction, whether as
underwriter, advisor, investor or otherwise) of Sanctions. 
 (xxxiii) Statistical and Market-Related Data. Any
statistical and market-related data included in the General Disclosure Package or the Final Offering Memorandum are based on or derived from sources that the Company believes, after reasonable inquiry, to be reliable and accurate and, to the extent
required, the Company has obtained the written consent to the use of such data from such sources. 
 (xxxiv) No Rating of
Securities. Neither the Company nor its subsidiaries have any debt securities or preferred stock that are rated by any “nationally recognized statistical rating agency” (as defined in Section 3(a)(62) of the 1934 Act). 

  
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 (b) Officer’s Certificates. Any certificate signed by any officer of the Company or
any of its subsidiaries delivered to the Representative or to counsel for the Initial Purchasers shall be deemed a representation and warranty by the Company to each Initial Purchaser as to the matters covered thereby. 

SECTION 2. Sale and Delivery to Initial Purchasers; Closing. 

(a) Initial Securities. On the basis of the representations and warranties herein contained and subject to the terms and
conditions herein set forth, the Company agrees to sell to each Initial Purchaser, severally and not jointly, and each Initial Purchaser, severally and not jointly, agrees to purchase from the Company, at the price set forth in Schedule A, the
aggregate principal amount of Initial Securities set forth in Schedule A, plus any additional principal amount of Initial Securities which such Initial Purchaser may become obligated to purchase pursuant to the provisions of Section 11 hereof,
subject to such adjustments as Merrill Lynch in its discretion shall make to ensure that any sales or purchases are in authorized denominations. 

(b) Option Securities. In addition, on the basis of the representations and warranties herein contained and subject to the terms
and conditions herein set forth, the Company hereby grants an overallotment option to the Initial Purchasers, severally and not jointly, to purchase the Option Securities, at the price set forth in Schedule A. The option hereby granted may be
exercised for 30 days after the date hereof and may be exercised in whole or in part from time to time only for the purpose of covering overallotments of the Initial Securities, if any, upon notice by the Representative to the Company setting
forth the amount of Option Securities as to which the several Initial Purchasers made in connection with the offering and distribution of the Initial Securities are then exercising the option and the time and date of payment and delivery for such
Option Securities. Any such time and date of delivery (a “Date of Delivery”) shall be determined by the Representative, but shall not be later than seven full business days after the exercise of said option, nor in any event prior to the
Closing Time. If the option is exercised as to all or any portion of the Option Securities, each of the Initial Purchasers, acting severally and not jointly, will purchase that proportion of the total principal amount of Option Securities then being
purchased which the number of Initial Securities set forth in Schedule A opposite the name of such Initial Purchaser bears to the total principal amount of Initial Securities, subject in each case to such adjustments as Merrill Lynch in its
discretion shall make to ensure that any sales or purchases are in authorized denominations. 
 (c) Payment. Payment of
the purchase price for, and delivery of certificates or security entitlements for, the Initial Securities shall be made at the offices of Davis Polk & Wardwell LLP, 1600 El Camino Real, Menlo Park, California 94025, or at such other place
as shall be agreed upon by the Representative and the Company, at 9:00 A.M. (New York City time) on the fourth business day after the date hereof (unless postponed in accordance with the provisions of Section 11), or such other time not
later than ten business days after such date as shall be agreed upon by the Representative and the Company (such time and date of payment and delivery being herein called “Closing Time”). 

In addition, in the event that any or all of the Option Securities are purchased by the Initial Purchasers, payment of the purchase price for,
and delivery of certificates or security entitlements for, such Option Securities shall be made at the above-mentioned offices, or at such other place as shall be agreed upon by the Representative and the
Company, on each Date of Delivery as specified in the notice from Merrill Lynch to the Company. 
 Payment shall be made to the Company by
wire transfer of immediately available funds to a bank account designated by the Company, against delivery to the Representative for the respective accounts of the Initial Purchasers of certificates or security entitlements for the Securities to be
purchased by them. It is understood that each Initial Purchaser has authorized the Representative, for its account, to accept 

  
 11 

 
delivery of, receipt for, and make payment of the purchase price for, the Initial Securities and the Option Securities, if any, which it has agreed to purchase. Merrill Lynch, individually and
not as representative of the Initial Purchasers, may (but shall not be obligated to) make payment of the purchase price for the Initial Securities or the Option Securities, if any, to be purchased by any Initial Purchaser whose funds have not been
received by the Closing Time or the relevant Date of Delivery, as the case may be, but such payment shall not relieve such Initial Purchaser from its obligations hereunder. 

SECTION 3. Covenants of the Company. The Company covenants with each Initial Purchaser as follows: 

(a) Delivery of Offering Memorandum. The Company has delivered to each Initial Purchaser, without charge, as many copies of the
Preliminary Offering Memorandum (as amended or supplemented) thereto and documents incorporated by reference therein as such Initial Purchaser reasonably requested, and the Company hereby consents to the use of such copies. The Company will furnish
to each Initial Purchaser, without charge, such number of copies of the Final Offering Memorandum thereto and documents incorporated by reference therein as such Initial Purchaser may reasonably request. 

(b) Notice and Effect of Material Events. If at any time prior to the completion of resales of the Securities by the Initial
Purchasers, any event shall occur or condition shall exist as a result of which it is necessary, in the opinion of counsel for the Initial Purchasers or for the Company, to amend or supplement the General Disclosure Package or the Final Offering
Memorandum in order that the General Disclosure Package or the Final Offering Memorandum, as the case may be, will not include any untrue statement of a material fact or omit to state a material fact necessary in order to make the statements therein
not misleading in the light of the circumstances existing at the time it is delivered to a Subsequent Purchaser, the Company will promptly (A) give the Representative notice of such event and (B) prepare any amendment or supplement as may
be necessary to correct such statement or omission and, a reasonable amount of time prior to any proposed use or distribution, furnish the Representative with copies of any such amendment or supplement; provided that the Company shall not use or
distribute any such amendment or supplement to which the Representative or counsel for the Initial Purchasers shall object. The Company will furnish to the Initial Purchasers such number of copies of such amendment or supplement as the Initial
Purchasers may reasonably request.  
 (c) Reporting Requirements. Until the completion of resales of the Securities by
the Initial Purchasers, the Company will file all documents required to be filed with the Commission pursuant to the 1934 Act within the time periods required by the 1934 Act and the 1934 Act Regulations. The Company has given the Representative
notice of any filings made pursuant to the 1934 Act or 1934 Act Regulations within 48 hours prior to the Applicable Time; the Company will give the Representative notice of its intention to make any such filing from the Applicable Time to the
Closing Time and will furnish the Representative with copies of any such documents a reasonable amount of time prior to such proposed filing, as the case may be, and will not file or use any such document to which the Representative or counsel for
the Initial Purchasers shall reasonably object, except as required by applicable law. 
 (d) Blue Sky Qualifications.
The Company will use its commercially reasonable efforts, in cooperation with the Initial Purchasers, to qualify the Securities for offering and sale under the applicable securities laws of such states and other jurisdictions (domestic or foreign)
as the Representative may designate and to maintain such qualifications in effect so long as required to complete the distribution of the Securities; provided, however, that the Company shall not be obligated to file any general consent to service
of process or to qualify as a foreign corporation or as a dealer in securities in any jurisdiction in which it is not so qualified or to subject itself to taxation in respect of doing business in any jurisdiction in which it is not otherwise so
subject. 

  
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 (e) Use of Proceeds. The Company will use the net proceeds received by it from the
sale of the Securities in the manner specified in the General Disclosure Package and the Final Offering Memorandum under “Use of Proceeds.” 

(f) DTCC. The Company will cooperate with the Initial Purchasers and use its commercially reasonable efforts to permit the
offered Securities to be eligible for clearance and settlement through the facilities of The Depository Trust & Clearing Corporation (“DTCC”). 

(g) Listing. The Company will use its commercially reasonable efforts to effect and maintain the listing of the Conversion Shares
on The Nasdaq Global Select Market. 
 (h) Restriction on Sale of Securities. During a period of 90 days from the date
of the Final Offering Memorandum, the Company will not, without the prior written consent of Merrill Lynch, (i) directly or indirectly, offer, pledge, sell, contract to sell, sell any option or contract to purchase, purchase any option or
contract to sell, grant any option, right or warrant to purchase or otherwise transfer or dispose of any shares of Common Stock or any securities convertible into or exercisable or exchangeable for Common Stock or file any registration statement
under the 1933 Act with respect to any of the foregoing or (ii) enter into any swap or any other agreement or any transaction that transfers, in whole or in part, directly or indirectly, the economic consequence of ownership of the Common
Stock, whether any such swap or transaction described in clause (i) or (ii) above is to be settled by delivery of Common Stock or other securities, in cash or otherwise. The foregoing sentence shall not apply to (A) the Securities to
be sold hereunder or any Conversion Shares, (B) any shares of Common Stock issued by the Company upon the exercise of an option or warrant, the vesting and settlement of any restricted stock unit or the conversion of a security outstanding on
the date hereof and referred to in the General Disclosure Package and the Final Offering Memorandum, (C) any shares of Common Stock issued or options to purchase Common Stock or restricted stock units granted pursuant to existing employee
benefit plans of the Company referred to in the General Disclosure Package and the Final Offering Memorandum, (D) any shares of Common Stock issued pursuant to any non-employee director stock plan or dividend reinvestment plan referred to in
the General Disclosure Package and the Final Offering Memorandum or (E) any registration statement on Form S-8 covering securities referred to in clauses (C) and (D) above. 

SECTION 4. Payment of Expenses. 

(a) Expenses. The Company will pay or cause to be paid all expenses incident to the performance of their obligations under this
Agreement, including (i) preparation, issuance and delivery of the Securities to the Initial Purchasers and the Common Stock issuable upon conversion thereof and any charges of DTCC in connection therewith, (ii) the fees and disbursements
of the Company’s counsel, accountants and other advisors, (iii) the qualification of the Securities under securities laws in accordance with the provisions of Section 3(d) hereof, including filing fees and the reasonable fees and
disbursements of counsel for the Initial Purchasers in connection therewith and in connection with the preparation of the Blue Sky Survey and any supplement thereto, (iv) the preparation, printing and delivery to the Initial Purchasers of
copies of each Preliminary Offering Memorandum, any Issuer Written Information, the Final Term Sheet and the Final Offering Memorandum and any amendments or supplements thereto and any costs associated with electronic delivery of any of the
foregoing by the Initial Purchasers to investors, (v) all fees and expenses of the Trustee and any expenses of any transfer agent or registrar for the Securities or the Conversion Shares, (vi) the costs and expenses of the Company relating
to investor presentations on any “road show” undertaken in connection with the marketing of the Securities, including without limitation, and expenses associated with the production of road show slides and graphics, (vii) the fees and
expenses incurred in connection with the listing of the Conversion Shares on The Nasdaq Global Select Market and (viii) the costs and expenses (including, without limitation, any damages or other amounts payable in connection with legal or
contractual liability) associated with the reforming of any contracts for sale of the Securities made by the Initial Purchasers caused by a breach of the representation contained in the first sentence of Section 1(a)(iii). 

  
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 (b) Termination of Agreement. If this Agreement is terminated by the Representative
in accordance with the provisions of Section 5, Section 10(a)(i) or (iii) or Section 11 hereof, the Company shall reimburse the Initial Purchasers for all of their
out-of-pocket expenses, including the reasonable fees and disbursements of counsel for the Initial Purchasers. 

SECTION 5. Conditions of Initial Purchasers’ Obligations. The obligations of the several Initial Purchasers hereunder are subject
to the accuracy of the representations and warranties of the Company contained herein or in certificates of any officer of the Company or any of its subsidiaries, to the performance by the Company of its covenants and other obligations hereunder,
and to the following further conditions: 
 (a) Opinion of Counsel for Company. At the Closing Time, the Representative shall
have received the favorable opinion, dated the Closing Time, of Wilson Sonsini Goodrich & Rosati Professional Corporation, counsel for the Company, in form and substance satisfactory to counsel for the Initial Purchasers, together with
signed or reproduced copies of such letter for each of the other Initial Purchasers to the effect set forth in Exhibit A hereto. 

(b) Opinion of Counsel for Initial Purchasers. At the Closing Time, the Representative shall have received the favorable opinion,
dated the Closing Time, of Davis Polk & Wardwell LLP, counsel for the Initial Purchasers, together with signed or reproduced copies of such letter for each of the other Initial Purchasers in form and substance satisfactory to the
Representative.  
 (c) Officer’s Certificate. At the Closing Time, there shall not have been, since the date
hereof or since the respective dates as of which information is given in the General Disclosure Package or the Final Offering Memorandum, any Material Adverse Effect, and the Representative shall have received a certificate of the Chief Executive
Officer or Chief Financial Officer of the Company, dated the Closing Time, to the effect that (i) there has been no such Material Adverse Effect, (ii) the representations and warranties of the Company in this Agreement are true and correct
with the same force and effect as though expressly made at and as of the Closing Time and (iii) the Company has complied with all agreements and satisfied all conditions on its part to be performed or satisfied at or prior to the Closing
Time. 
 (d) Accountant’s Comfort Letter. At the time of the execution of this Agreement, the Representative shall
have received from PricewaterhouseCoopers LLC a letter, dated such date, in form and substance satisfactory to the Representative, together with signed or reproduced copies of such letter for each of the other Initial Purchasers containing
statements and information of the type ordinarily included in accountants’ “comfort letters” to underwriters with respect to the financial statements and certain financial information contained in the Offering Memorandum. 

(e) Bring-down Comfort Letter. At the Closing Time, the Representative shall have received from PricewaterhouseCoopers LLP a
letter, dated as of the Closing Time, to the effect that they reaffirm the statements made in the letter furnished pursuant to subsection (d) of this Section, except that the specified date referred to shall be a date not more than three
business days prior to the Closing Time. 
 (f) Approval of Listing. At the Closing Time, the Conversion Shares shall
have been approved for listing on The Nasdaq Global Select Market, subject only to official notice of issuance. 

  
 14 

 (g) Lock-up Agreements. At the date of this Agreement, the Representative shall
have received an agreement substantially in the form of Exhibit B hereto signed by the persons listed on Schedule D hereto. 

(h) Conditions to Purchase of Option Securities. In the event that the Initial Purchasers exercise their option provided in
Section 2(b) hereof to purchase all or any portion of the Option Securities and such Option Securities will be delivered at a Date of Delivery other than the Closing Time, the representations and warranties of the Company contained herein and
the statements in any certificates furnished by the Company and any of its subsidiaries hereunder shall be true and correct as of each Date of Delivery and, at the relevant Date of Delivery, the Representative shall have received such documents, not
inconsistent with those to be delivered at the Closing Time, as the Representative may require, including: 
 (i)
Officer’s Certificate. A certificate, dated such Date of Delivery, of the Chief Executive Officer or the Chief Financial Officer of the Company confirming that the certificate delivered at the Closing Time pursuant to Section 5(c)
hereof remains true and correct in all material respects as of such Date of Delivery. 
 (ii) Opinion of Counsel for
Company. The favorable opinion of Wilson Sonsini Goodrich & Rosati Professional Corporation, counsel for the Company, in form and substance satisfactory to counsel for the Initial Purchasers, dated such Date of Delivery, relating to the
Option Securities to be purchased on such Date of Delivery and otherwise to the same effect as the opinion required by Section 5(a) hereof. 

(iii) Opinion of Counsel for Initial Purchasers. The favorable opinion of Davis Polk & Wardwell LLP, counsel
for the Initial Purchasers, dated such Date of Delivery, relating to the Option Securities to be purchased on such Date of Delivery and otherwise to the same effect as the opinion required by Section 5(b) hereof. 

(iv) Bring-down Comfort Letter. A letter from PricewaterhouseCoopers LLC, in form and substance satisfactory to the
Representative and dated such Date of Delivery, substantially in the same form and substance as the letter furnished to the Representative pursuant to Section 5(d) hereof, except that the “specified date” in the letter furnished
pursuant to this paragraph shall be a date not more than three business days prior to such Date of Delivery. 
 (i) Additional
Documents. At the Closing Time and at each Date of Delivery (if any), counsel for the Initial Purchasers shall have been furnished with such documents and opinions as they may require for the purpose of enabling them to pass upon the issuance
and sale of the Securities as herein contemplated, or in order to evidence the accuracy of any of the representations or warranties, or the fulfillment of any of the conditions, herein contained; and all proceedings taken by the Company in
connection with the issuance and sale of the Securities as herein contemplated shall be satisfactory in form and substance to the Representative and counsel for the Initial Purchasers. 

(j) Termination of Agreement. If any condition specified in this Section shall not have been fulfilled when and as required to be
fulfilled, this Agreement, or, in the case of any condition to the purchase of Option Securities on a Date of Delivery which is after the Closing Time, the obligations of the several Initial Purchasers to purchase the relevant Option Securities, may
be terminated by the Representative by notice to the Company at any time at or prior to Closing Time or such Date of Delivery, as the case may be, and such termination shall be without liability of any party to any other party except as provided in
Section 4 and except that Sections 1, 7, 8, 9, 14, 15, 16 and 17 shall survive any such termination and remain in full force and effect. 

  
 15 

 SECTION 6. Subsequent Offers and Resales of the Securities. 

(a) Offer and Sale Procedures. Each of the Initial Purchasers and the Company hereby establish and agree to observe the following
procedures in connection with the offer and sale of the Securities: 
 (i) Offers and Sales. Offers and sales
of the Securities shall be made to such persons and in such manner as is contemplated by the Offering Memorandum. Each Initial Purchaser severally agrees that it will not offer, sell or deliver any of the Securities in any jurisdiction outside the
United States except under circumstances that will result in compliance with the applicable laws thereof, and that it will take at its own expense whatever action is required to permit its purchase and resale of the Securities in such jurisdictions.
The Company has not entered into any contractual arrangement, other than this Agreement, with respect to the distribution of the Securities or the Common Stock issuable upon conversion of the Securities and the Company will not enter into any such
arrangement except as contemplated thereby. 
 (ii) No General Solicitation. No general solicitation or general
advertising (within the meaning of Rule 502(c) under the 1933 Act Regulations) will be used in the United States in connection with the offering or sale of the Securities. 

(iii) Legends. Each of the Securities will bear, to the extent applicable, the legend contained in “Notice to
Investors” in the General Disclosure Package and the Final Offering Memorandum for the time period and upon the other terms stated therein. 

(iv) Minimum Principal Amount. No sale of the Securities to any one Subsequent Purchaser will be for less than U.S.
$1,000 principal amount and no Security will be issued in a smaller principal amount. 
 (b) Covenants of the Company. The Company
covenants with each Initial Purchaser as follows: 
 (i) Integration. The Company agrees that it will not and will
cause its Affiliates not to, directly or indirectly, solicit any offer to buy, sell or make any offer or sale of, or otherwise negotiate in respect of, securities of the Company of any class if, as a result of the doctrine of “integration”
referred to in Rule 502 under the 1933 Act Regulations, such offer or sale would render invalid (for the purpose of (i) the sale of the offered Securities by the Company to the Initial Purchasers, (ii) the resale of the offered
Securities by the Initial Purchasers to Subsequent Purchasers or (iii) the resale of the offered Securities by such Subsequent Purchasers to others) the exemption from the registration requirements of the 1933 Act provided by
Section 4(a)(2) thereof or by Rule 144A thereunder or otherwise. 
 (ii) Rule 144A Information. The Company
agrees that so long as any of the Securities or the Conversion Shares constitute “restricted securities” within the meaning of Rule 144A(a)(3), in order to render the offered Securities eligible for resale pursuant to Rule 144A, it
will make available, upon request, to any holder of offered Securities or prospective purchasers of Securities the information specified in Rule 144A(d)(4), unless the Company furnishes information to the Commission pursuant to Section 13
or 15(d) of the 1934 Act. 
 (iii) Restriction on Repurchases. Until one year following the last original
issuance of the Securities, the Company will not, and will cause its Affiliates not to, resell any offered Securities which are “restricted securities” (as such term is defined under Rule 144(a)(3)), whether as beneficial owner or
otherwise (except as agent acting as a securities broker on behalf of and for the account of customers in the ordinary course of business in unsolicited broker’s transactions). 

  
 16 

 (c) Representations, Warranties and Agreements of the Initial Purchasers. Each Initial
Purchaser severally and not jointly represents and warrants to, and agrees with, the Company that it is a Qualified Institutional Buyer and an “accredited investor” within the meaning of Rule 501(a) under the 1933 Act
Regulations. Each Initial Purchaser understands that the offered Securities have not been and will not be registered under the 1933 Act and may not be offered or sold except pursuant to an exemption from, or in a transaction not subject to, the
registration requirements of the 1933 Act. Each Initial Purchaser severally represents and agrees that it has not offered or sold, and will not offer or sell, any offered Securities constituting part of its allotment except in accordance with
Rule 144A or another applicable exemption from the registration requirements of the 1933 Act. Accordingly, neither it nor any person acting on its behalf has made or will make offers or sales of the Securities by means of any form of
general solicitation or general advertising (within the meaning of Regulation D). Each Initial Purchaser will take reasonable steps to inform, and cause each of its affiliates (as such term is defined in Rule 501(b) under the 1933 Act Regulations
(each, an “Affiliate”)) to take reasonable steps to inform, persons acquiring Securities from such Initial Purchaser or Affiliate, as the case may be, that the Securities (A) have not been and will not be registered under the
1933 Act, (B) are being sold to them without registration under the 1933 Act in reliance on Rule 144A or in accordance with another exemption from registration under the 1933 Act, as the case may be, and (C) may not be
offered, sold or otherwise transferred except (1) to the Company or (2) (x) in accordance with Rule 144A to a person whom the seller reasonably believes is a Qualified Institutional Buyer that is purchasing such Securities for
its own account or for the account of a Qualified Institutional Buyer to whom notice is given that the offer, sale or transfer is being made in reliance on Rule 144A or (y) pursuant to another available exemption from registration under
the 1933 Act. 
 SECTION 7. Indemnification. 

(a) Indemnification of Initial Purchasers. The Company agrees to indemnify and hold harmless each Initial Purchaser, its
Affiliates, its selling agents and each person, if any, who controls any Initial Purchaser within the meaning of Section 15 of the 1933 Act or Section 20 of the 1934 Act as follows: 

(i) against any and all loss, liability, claim, damage and expense whatsoever, as incurred, arising out of any untrue statement
or alleged untrue statement of a material fact included in any Preliminary Offering Memorandum, the Final Offering Memorandum, the information contained in the Final Term Sheet, any Issuer Written Information or any other information used by or on
behalf of the Company in connection with the offer or sale of the Securities (or any amendment or supplement to the foregoing) or the omission or alleged omission therefrom of a material fact necessary in order to make the statements therein, in the
light of the circumstances under which they were made, not misleading; 
 (ii) against any and all loss, liability, claim,
damage and expense whatsoever, as incurred, to the extent of the aggregate amount paid in settlement of any litigation, or any investigation or proceeding by any governmental agency or body, commenced or threatened, or of any claim whatsoever based
upon any such untrue statement or omission, or any such alleged untrue statement or omission; provided that (subject to Section 7(d) below) any such settlement is effected with the written consent of the Company; 

  
 17 

 (iii) against any and all expense whatsoever, as incurred (including the fees and
disbursements of counsel chosen by Merrill Lynch), reasonably incurred in investigating, preparing or defending against any litigation, or any investigation or proceeding by any governmental agency or body, commenced or threatened, or any claim
whatsoever based upon any such untrue statement or omission, or any such alleged untrue statement or omission, to the extent that any such expense is not paid under (i) or (ii) above; 

provided, however, that this indemnity agreement shall not apply to any loss, liability, claim, damage or expense to the extent arising out of any untrue
statement or omission or alleged untrue statement or omission made in any Preliminary Offering Memorandum, the Final Offering Memorandum or the information contained in the Final Term Sheet (or any amendment or supplement to the foregoing) in
reliance upon and in conformity with the Initial Purchaser Information. 
 (b) Indemnification of Company, Directors and Officers.
Each Initial Purchaser severally agrees to indemnify and hold harmless the Company, its directors, its officers and each person, if any, who controls the Company within the meaning of Section 15 of the 1933 Act or Section 20 of the 1934
Act, against any and all loss, liability, claim, damage and expense described in the indemnity contained in subsection (a) of this Section, as incurred, but only with respect to untrue statements or omissions, or alleged untrue statements or
omissions, made in any Preliminary Offering Memorandum, the Final Offering Memorandum or the information contained in the Final Term Sheet (or any amendment or supplement to the foregoing) in reliance upon and in conformity with the Initial
Purchaser Information. 
 (c) Actions against Parties; Notification. Each indemnified party shall give notice as promptly as
reasonably practicable to each indemnifying party of any action commenced against it in respect of which indemnity may be sought hereunder, but failure to so notify an indemnifying party shall not relieve such indemnifying party from any liability
hereunder to the extent it is not materially prejudiced as a result thereof and in any event shall not relieve it from any liability which it may have otherwise than on account of this indemnity agreement. In the case of parties indemnified pursuant
to Section 7(a) above, counsel to the indemnified parties shall be selected by Merrill Lynch, and, in the case of parties indemnified pursuant to Section 7(b) above, counsel to the indemnified parties shall be selected by the Company. An
indemnifying party may participate at its own expense in the defense of any such action; provided, however, that counsel to the indemnifying party shall not (except with the consent of the indemnified party) also be counsel to the indemnified party.
In no event shall the indemnifying parties be liable for fees and expenses of more than one counsel (in addition to any local counsel) separate from their own counsel for all indemnified parties in connection with any one action or separate but
similar or related actions in the same jurisdiction arising out of the same general allegations or circumstances. No indemnifying party shall, without the prior written consent of the indemnified parties, settle or compromise or consent to the entry
of any judgment with respect to any litigation, or any investigation or proceeding by any governmental agency or body, commenced or threatened, or any claim whatsoever in respect of which indemnification or contribution could be sought under this
Section 7 or Section 8 hereof (whether or not the indemnified parties are actual or potential parties thereto), unless such settlement, compromise or consent (i) includes an unconditional release of each indemnified party from all
liability arising out of such litigation, investigation, proceeding or claim and (ii) does not include a statement as to or an admission of fault, culpability or a failure to act by or on behalf of any indemnified party. 

(d) Settlement without Consent if Failure to Reimburse. If at any time an indemnified party shall have requested an indemnifying
party to reimburse the indemnified party for fees and expenses of counsel, such indemnifying party agrees that it shall be liable for any settlement of the nature contemplated by Section 7(a)(ii) effected without its written consent if
(i) such settlement is entered into more than 60 days after receipt by such indemnifying party of the aforesaid request, (ii) such indemnifying party shall have received notice of the terms of such settlement at least 45 days prior to such
settlement being entered into and (iii) such indemnifying party shall not have reimbursed such indemnified party in accordance with such request prior to the date of such settlement. 

  
 18 

 SECTION 8. Contribution. If the indemnification provided for in Section 7 hereof is
for any reason unavailable to or insufficient to hold harmless an indemnified party in respect of any losses, liabilities, claims, damages or expenses referred to therein, then each indemnifying party shall contribute to the aggregate amount of such
losses, liabilities, claims, damages and expenses incurred by such indemnified party, as incurred, (i) in such proportion as is appropriate to reflect the relative benefits received by the Company, on the one hand, and the Initial Purchasers,
on the other hand, from the offering of the Securities pursuant to this Agreement or (ii) if the allocation provided by clause (i) is not permitted by applicable law, in such proportion as is appropriate to reflect not only the relative
benefits referred to in clause (i) above but also the relative fault of the Company, on the one hand, and of the Initial Purchasers, on the other hand, in connection with the statements or omissions which resulted in such losses, liabilities,
claims, damages or expenses, as well as any other relevant equitable considerations. 
 The relative benefits received by the Company, on
the one hand, and the Initial Purchasers, on the other hand, in connection with the offering of the Securities pursuant to this Agreement shall be deemed to be in the same respective proportions as the total net proceeds from the offering of the
Securities pursuant to this Agreement (before deducting expenses) received by the Company, on the one hand, and the total underwriting discount received by the Initial Purchasers, on the other hand, bear to the aggregate initial offering price of
the Securities as set forth on the cover of the Final Offering Memorandum. 
 The relative fault of the Company, on the one hand, and the
Initial Purchasers, on the other hand, shall be determined by reference to, among other things, whether any such untrue or alleged untrue statement of a material fact or omission or alleged omission to state a material fact relates to information
supplied by the Company or by the Initial Purchasers and the parties’ relative intent, knowledge, access to information and opportunity to correct or prevent such statement or omission. 

The Company and the Initial Purchasers agree that it would not be just and equitable if contribution pursuant to this Section 8 were
determined by pro rata allocation (even if the Initial Purchasers were treated as one entity for such purpose) or by any other method of allocation which does not take account of the equitable considerations referred to above in this Section 8.
The aggregate amount of losses, liabilities, claims, damages and expenses incurred by an indemnified party and referred to above in this Section 8 shall be deemed to include any legal or other expenses reasonably incurred by such indemnified
party in investigating, preparing or defending against any litigation, or any investigation or proceeding by any governmental agency or body, commenced or threatened, or any claim whatsoever based upon any such untrue or alleged untrue statement or
omission or alleged omission. 
 Notwithstanding the provisions of this Section 8, no Initial Purchaser shall be required to contribute
any amount in excess of the amount by which the total price at which the Securities purchased by it and distributed to the public were offered to the public exceeds the amount of any damages that such Initial Purchaser has otherwise been required to
pay by reason of any such untrue or alleged untrue statement or omission or alleged omission. 
 No person guilty of fraudulent
misrepresentation (within the meaning of Section 11(f) of the 1933 Act) shall be entitled to contribution from any person who was not guilty of such fraudulent misrepresentation. 

For purposes of this Section 8, each person, if any, who controls an Initial Purchaser within the meaning of Section 15 of the 1933
Act or Section 20 of the 1934 Act and each Initial Purchaser’s Affiliates and selling agents shall have the same rights to contribution as such Initial Purchaser, and each director of the Company, each officer of the Company, and each
person, if any, who controls the Company within the meaning of Section 15 of the 1933 Act or Section 20 of the 1934 Act shall have the same rights to contribution as the Company. The Initial Purchasers’ respective obligations to
contribute pursuant to this Section 8 are several in proportion to the aggregate principal amount of Initial Securities set forth opposite their respective names in Schedule A hereto and not joint. 

  
 19 

 SECTION 9. Representations, Warranties and Agreements to Survive. All representations,
warranties and agreements contained in this Agreement or in certificates of officers of the Company or any of its subsidiaries submitted pursuant hereto, shall remain operative and in full force and effect regardless of (i) any investigation
made by or on behalf of any Initial Purchaser or its Affiliates or selling agents, any person controlling any Initial Purchaser, its officers or directors or any person controlling the Company and (ii) delivery of and payment for the
Securities. 
 SECTION 10. Termination of Agreement. 

(a) Termination. The Representative may terminate this Agreement, by notice to the Company, at any time at or prior to the Closing Time
(i) if there has been, in the judgment of the Representative, since the time of execution of this Agreement or since the respective dates as of which information is given in the General Disclosure Package or the Final Offering Memorandum, any
material adverse change in the condition, financial or otherwise, or in the earnings, business affairs or business prospects of the Company and its subsidiaries considered as one enterprise, whether or not arising in the ordinary course of business,
or (ii) if there has occurred any material adverse change in the financial markets in the United States or the international financial markets, any outbreak of hostilities or escalation thereof or other calamity or crisis or any change or
development involving a prospective change in national or international political, financial or economic conditions, in each case the effect of which is such as to make it, in the judgment of the Representative, impracticable or inadvisable to
proceed with the completion of the offering or to enforce contracts for the sale of the Securities, or (iii) if trading in any securities of the Company has been suspended or materially limited by the Commission or the Nasdaq Global Select
Market, or (iv) if trading generally on the NYSE MKT or the New York Stock Exchange or in the Nasdaq Global Select Market has been suspended or materially limited, or minimum or maximum prices for trading have been fixed, or maximum ranges for
prices have been required, by any of said exchanges or by order of the Commission or any other governmental authority, or (v) a material disruption has occurred in commercial banking or securities settlement or clearance services in the United
States, or (vi) if a banking moratorium has been declared by either Federal or New York authorities. 
 (b) Liabilities. If this
Agreement is terminated pursuant to this Section, such termination shall be without liability of any party to any other party except as provided in Section 4 hereof, and provided further that Sections 1, 7, 8, 9, 14, 15, 16 and 17 shall survive
such termination and remain in full force and effect. 
 SECTION 11. Default by One or More of the Initial Purchasers. If one or more
of the Initial Purchasers shall fail at the Closing Time or a Date of Delivery to purchase the Securities which it or they are obligated to purchase under this Agreement (the “Defaulted Securities”), the Representative shall have the
right, within 24 hours thereafter, to make arrangements for one or more of the non-defaulting Initial Purchasers, or any other initial purchasers, to purchase all, but not less than all, of the Defaulted
Securities in such amounts as may be agreed upon and upon the terms herein set forth; if, however, the Representative shall not have completed such arrangements within such 24-hour period, then: 

(i) if the principal amount of Defaulted Securities does not exceed 10% of the aggregate principal amount of the Securities to
be purchased on such date, each of the non-defaulting Initial Purchasers shall be obligated, severally and not jointly, to purchase the full amount thereof in the proportions that their respective underwriting
obligations hereunder bear to the underwriting obligations of all non-defaulting Initial Purchasers, or 

  
 20 

 (ii) if the principal amount of Defaulted Securities exceeds 10% of the aggregate
principal amount of the Securities to be purchased on such date, this Agreement or, with respect to any Date of Delivery which occurs after the Closing Time, the obligation of the Initial Purchasers to purchase, and the Company to sell, the Option
Securities to be purchased and sold on such Date of Delivery, shall terminate without liability on the part of any non-defaulting Initial Purchaser. 

No action taken pursuant to this Section shall relieve any defaulting Initial Purchaser from liability in respect of its default. 

In the event of any such default which does not result in a termination of this Agreement or, in the case of a Date of Delivery which is after
the Closing Time, which does not result in a termination of the obligation of the Initial Purchasers to purchase and the Company to sell the relevant Option Securities, as the case may be, either the (i) Representative or (ii) the Company
shall have the right to postpone Closing Time or the relevant Date of Delivery, as the case may be, for a period not exceeding seven days in order to effect any required changes in the General Disclosure Package or the Final Offering Memorandum or
in any other documents or arrangements. As used herein, the term “Initial Purchaser” includes any person substituted for an Initial Purchaser under this Section 11. 

SECTION 12. Notices. All notices and other communications hereunder shall be in writing and shall be deemed to have been duly given if
mailed or transmitted by any standard form of telecommunication. Notices to the Initial Purchasers shall be directed to Merrill Lynch at One Bryant Park, New York, New York 10036, attention of Syndicate Department (facsimile: (646) 855-3073),
with a copy to ECM Legal (facsimile: (212) 230-8730); notices to the Company shall be directed to it at 4300 North First Street, San Jose, California 95134, attention of General Counsel (fax (408) 490-6524) (harmoniclegal@harmonicinc.com).

 SECTION 13. No Advisory or Fiduciary Relationship. The Company acknowledges and agrees that (a) the purchase and sale of the
Securities pursuant to this Agreement, including the determination of the initial offering price of the Securities and any related discounts and commissions, is an arm’s-length commercial transaction between the Company, on the one hand, and
the several Initial Purchasers, on the other hand, (b) in connection with the offering of the Securities and the process leading thereto, each Initial Purchaser is and has been acting solely as a principal and is not the agent or fiduciary of
the Company, any of its subsidiaries or their respective stockholders, creditors, employees or any other party, (c) no Initial Purchaser has assumed or will assume an advisory or fiduciary responsibility in favor of the Company with respect to
the offering of the Securities or the process leading thereto (irrespective of whether such Initial Purchaser has advised or is currently advising the Company or any of its subsidiaries on other matters) and no Initial Purchaser has any obligation
to the Company with respect to the offering of the Securities except the obligations expressly set forth in this Agreement, (d) the Initial Purchasers and their respective affiliates may be engaged in a broad range of transactions that involve
interests that differ from those of the Company and (e) the Initial Purchasers have not provided any legal, accounting, regulatory or tax advice with respect to the offering of the Securities and the Company has consulted its own respective
legal, accounting, regulatory and tax advisors to the extent it deemed appropriate. 
 SECTION 14. Parties. This Agreement shall each
inure to the benefit of and be binding upon the Initial Purchasers and the Company and their respective successors. Nothing expressed or mentioned in this Agreement is intended or shall be construed to give any person, firm or corporation, other
than the Initial Purchasers and the Company and their respective successors and the controlling persons and officers and directors referred to in Sections 7 and 8 and their heirs and legal representatives, any legal or equitable right, remedy
or claim under or in respect of this Agreement or any provision herein contained. This Agreement and all conditions and provisions hereof are intended to be for the sole and exclusive 

  
 21 

 
benefit of the Initial Purchasers and the Company and their respective successors, and said controlling persons and officers and directors and their heirs and legal representatives, and for the
benefit of no other person, firm or corporation. No purchaser of Securities from any Initial Purchaser shall be deemed to be a successor by reason merely of such purchase. 

SECTION 15. Trial by Jury. The Company (on its behalf and, to the extent permitted by applicable law, on behalf of its stockholders and
affiliates) and each of the Initial Purchasers hereby irrevocably waives, to the fullest extent permitted by applicable law, any and all right to trial by jury in any legal proceeding arising out of or relating to this Agreement or the transactions
contemplated hereby. 
 SECTION 16. GOVERNING LAW. THIS AGREEMENT AND ANY CLAIM, CONTROVERSY OR DISPUTE ARISING UNDER OR RELATED TO
THIS AGREEMENT SHALL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF, THE STATE OF NEW YORK WITHOUT REGARD TO ITS CHOICE OF LAW PROVISIONS. 

SECTION 17. Consent to Jurisdiction. Any legal suit, action or proceeding arising out of or based upon this Agreement or the
transactions contemplated hereby (“Related Proceedings”) shall be instituted in (i) the federal courts of the United States of America located in the City and County of New York, Borough of Manhattan or (ii) the courts of
the State of New York located in the City and County of New York, Borough of Manhattan (collectively, the “Specified Courts”), and each party irrevocably submits to the exclusive jurisdiction (except for proceedings instituted in regard to
the enforcement of a judgment of any such court, as to which such jurisdiction is non-exclusive) of such courts in any such suit, action or proceeding. Service of any process, summons, notice or document by mail to such party’s address set
forth above shall be effective service of process for any suit, action or other proceeding brought in any such court. The parties irrevocably and unconditionally waive any objection to the laying of venue of any suit, action or other proceeding in
the Specified Courts and irrevocably and unconditionally waive and agree not to plead or claim in any such court that any such suit, action or other proceeding brought in any such court has been brought in an inconvenient forum. 

SECTION 18. TIME. TIME SHALL BE OF THE ESSENCE OF THIS AGREEMENT. EXCEPT AS OTHERWISE SET FORTH HEREIN, SPECIFIED TIMES OF DAY REFER TO
NEW YORK CITY TIME. 
 SECTION 19. Counterparts. This Agreement may be executed in any number of counterparts, each of which shall be
deemed to be an original, but all such counterparts shall together constitute one and the same Agreement. 
 SECTION 20. Effect of
Headings. The Section headings herein are for convenience only and shall not affect the construction hereof. 
 SECTION 21. Xtract
Research LLC. The Company hereby agrees that the Initial Purchasers may provide copies of the Preliminary Offering Memorandum and the Final Offering Memorandum relating to the offering of the Securities and any other agreements or documents
relating thereto, including, without limitation, any trust indentures, to Xtract Research LLC (“Xtract”) following the completion of the offering for inclusion in an online research service sponsored by Xtract, access to which is
restricted to “qualified institutional buyers” as defined in Rule 144A under the 1933 Act. 

  
 22 

 If the foregoing is in accordance with your understanding of our agreement, please sign and
return to the Company a counterpart hereof, whereupon this instrument, along with all counterparts, will become a binding agreement among the Initial Purchasers and the Company in accordance with its terms. 

 

			
	Very truly yours,
	
	HARMONIC INC.
		
	By	 	 /s/ Harold Covert

		 	Title: Chief Financial Officer

  

			
	 CONFIRMED AND ACCEPTED,
as of the date first above written:

	
	 MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED

		
	 By
	 	 /s/ Stephen R. Miller, Jr.

		 	 Authorized Signatory

 For itself and as Representative of the other Initial Purchasers named in Schedule A hereto. 

  
 23 

 SCHEDULE A 

  
 Sch A-1 

 SCHEDULE B 

Final Term Sheet 

  
 Sch B - 1 

 SCHEDULE C 

Issuer Written Information 

  
 Sch C - 1 

 SCHEDULE D 

List of Persons and Entities Subject to Lock-up 

  
 Sch D-1 

 Exhibit A 

FORM OF OPINION OF COMPANY’S COUNSEL 

TO BE DELIVERED PURSUANT TO SECTION 5(b) 
  

	 	1.	The Company is a corporation duly incorporated and validly existing under the laws of the State of Delaware and is in good standing under such laws. The Company has requisite corporate power to own or lease its
properties and carry on its business, as described in the Final Offering Memorandum. The Company is qualified to do business and is in good standing as a foreign corporation in the State of California. 

 

	 	2.	The execution and delivery of the Operative Documents have been duly authorized by all necessary corporate action on the part of the Company, and the Company has the corporate power to execute and deliver the Operative
Documents and to perform its obligations under the terms of the Operative Documents. 

  

	 	3.	The Purchase Agreement has been duly executed and delivered by the Company. 

  

	 	4.	The authorized capital stock of the Company is as set forth in the Final Offering Memorandum under the caption “Description of Capital Stock.” 

 

	 	5.	The Securities being issued on the date hereof are in the form contemplated in the Indenture and have been duly authorized by all necessary corporate action of the Company and have been duly executed by the Company and
when authenticated by the Trustee in accordance with the terms of the Indenture (which authentication we have not determined by inspection of the Securities) and issued and delivered to the Initial Purchasers against payment of the purchase price
therefor specified in the Purchase Agreement, the Securities will constitute valid and binding obligations of the Company, enforceable against the Company in accordance with their terms. 

 

	 	6.	The Indenture has been duly authorized by all necessary corporate action on the part of the Company and the Indenture has been duly executed and delivered by the Company and the Indenture constitutes a valid and binding
instrument, enforceable against the Company in accordance with its terms. 

  

	 	7.	The shares of Common Stock initially issuable upon conversion of the Securities (assuming full physical settlement of the Securities and including shares of Common Stock issuable with respect to any [Make-Whole
Fundamental Change] (as defined in the Indenture)) (the “Shares”) have been duly authorized and reserved by all necessary corporate action on the part of the Company and the Shares, if any, when issued upon due conversion of
the Securities in accordance with the terms of such Securities and the Indenture would, if issued today, be validly issued, fully paid and nonassessable and free of preemptive rights arising under the Certificate of Incorporation or Bylaws or the
DGCL. 

  

	 	8.	The statements set forth in the General Disclosure Package and the Final Offering Memorandum under the caption “Description of Notes” insofar as such statements purport to constitute a summary of the terms of
the Indenture and the Securities, fairly summarize such terms in all material respects. 

  
 A-1 

	 	9.	The statements set forth in the General Disclosure Package and the Final Offering Memorandum under the caption “Certain U.S. Federal Income Tax Considerations,” insofar as they purport to summarize the United
States federal tax laws referred to therein or legal conclusions with respect thereto, are fair summaries in all material respects. 

  

	 	10.	The statements set forth in the General Disclosure Package and Final Offering Memorandum under the caption “Description of Capital Stock,” insofar as such statements constitute summaries of legal matters or
documents, fairly summarize the matters and documents referred to therein in all material respects. 

  

	 	11.	The Company is not, and after giving effect to the offering and sale of the Securities and the application of the proceeds thereof as described in the General Disclosure Package, will not be required to be registered
as, an “investment company,” as such term is defined in the Investment Company Act. 

  

	 	12.	None of the issuance and sale of the Securities being delivered on the date hereof, the execution, delivery and performance by the Company of its obligations under the Purchase Agreement, the Indenture and the
Securities or the consummation of the transactions contemplated thereby will (i) violate the Certificate of Incorporation or Bylaws, (ii) conflict with, result in a breach or violation by the Company of any of the terms or provisions of,
or constitute a default by the Company under any Reviewed Agreement, (iii) result in a violation of any Reviewed Judgment, or (iv) contravene any applicable law. 

 

	 	13.	No consent, approval, authorization, order, registration or qualification of or with any U.S. federal, New York, California or Delaware (solely with respect to the DGCL) governmental agency or body or court is required
for the execution and delivery of the Purchase Agreement, the offer, sale or issuance by the Company of the Securities or the consummation by the Company of the transactions contemplated by the Purchase Agreement or the Indenture, except
(i) such as have been obtained under the Securities Act, (ii) such as may be required under state securities or Blue Sky laws, and (iii) as contemplated by the Operative Documents. 

 

	 	14.	Assuming the accuracy of the Initial Purchasers’ representations contained in the Purchase Agreement and the accuracy of the Company’s representations contained in the Purchase Agreement, no registration of
the Securities or the Shares is required under the Securities Act for the sale of the Securities by the Company to the Initial Purchasers pursuant to the Purchase Agreement and the Indenture or for the initial resale of the Securities by the Initial
Purchasers in the manner contemplated by the Purchase Agreement, the General Disclosure Package and the Final Offering Memorandum, and it is not necessary to qualify the Indenture under the Trust Indenture Act (it being understood that, in each
case, no opinion is expressed as to any subsequent resale of the Securities or the consequences thereof). 

  
 A-2 

 Exhibit B 

FORM OF LOCK-UP TO BE DELIVERED PURSUANT TO SECTION 5(g) 

December     , 2015 
 Merrill
Lynch, Pierce, Fenner & Smith 
 Incorporated, 

as Representative of the several 
 Initial Purchasers to be named
in Schedule A to the Purchase Agreement 
 One Bryant Park 

New York, New York 10036 
 Re: Proposed
Private Placement by Harmonic Inc. 
 Dear Sirs: 

The undersigned, a stockholder and an officer and/or director of Harmonic Inc., a Delaware corporation (the “Company”), understands
that Merrill Lynch, Pierce, Fenner & Smith Incorporated (“Merrill Lynch”) proposes to enter into a Purchase Agreement (the “Purchase Agreement”), as representative of the several Initial Purchasers to be named in
Schedule A to such agreement (collectively, the “Initial Purchasers”), with the Company providing for the placement of $125,000,000 aggregate principal amount of the Company’s Convertible Senior Notes due 2020 (the
“Securities”). In recognition of the benefit that such a placement will confer upon the undersigned as a stockholder and an officer and/or director of the Company, and for other good and valuable consideration, the receipt and sufficiency
of which are hereby acknowledged, the undersigned agrees with each Initial Purchaser that, during the period beginning on the date hereof and ending on the date that is 90 days from the date of the Purchase Agreement (the “Lock-up
Period”), the undersigned will not, without the prior written consent of Merrill Lynch, (i) directly or indirectly, offer, pledge, sell, contract to sell, sell any option or contract to purchase, purchase any option or contract to sell,
grant any option, right or warrant to purchase or otherwise transfer or dispose of any shares of the Company’s common stock, par value $0.001 per share (the “Common Stock”), or any securities convertible into or exercisable or
exchangeable for Common Stock, whether now owned or hereafter acquired by the undersigned or with respect to which the undersigned has or hereafter acquires the power of disposition (collectively, the “Lock-Up Securities”), or exercise any
right with respect to the registration of any of the Lock-up Securities, or file or cause to be filed any registration statement in connection therewith, under the Securities Act of 1933, as amended, or (ii) enter into any swap or any other
agreement or any transaction that transfers, in whole or in part, directly or indirectly, the economic consequence of ownership of the Lock-Up Securities, whether any such swap or transaction is to be settled by delivery of Common Stock or other
securities, in cash or otherwise. 
 Notwithstanding the foregoing, and subject to the conditions below, the undersigned may: 

 

	 	(a)	transfer the undersigned’s Lock-Up Securities without the prior written consent of Merrill Lynch: 

  

	 	(i)	as a bona fide gift or gifts; 

  
 B-1 

	 	(ii)	to any member of the undersigned’s immediate family or to any trust for the direct or indirect benefit of the undersigned or the immediate family of the undersigned, or if the undersigned is a trust, to a trustor
or beneficiary of the trust or to the estate of a beneficiary of such trust, provided that any such transfer shall not involve a disposition for value (for purposes of this lock-up agreement, “immediate family” shall mean any
relationship by blood, marriage or adoption, not more remote than first cousin); 

  

	 	(iii)	by will or intestate succession upon the death of the undersigned; 

  

	 	(iv)	as a distribution to limited partners or stockholders of the undersigned or affiliates of the undersigned; 

  

	 	(v)	to the undersigned’s affiliates or to any investment fund or other entity controlled or managed by the undersigned; 

  

	 	(vi)	in connection with the exercise of options, warrants or rights to acquire shares of Common Stock or any security convertible or exercisable into shares of Common Stock issued pursuant to the Company’s employee
benefit plans in effect on the date hereof or agreements made available to Merrill Lynch in accordance with their terms that expire during the Lock-up Period, provided that any such shares issued upon exercise of such option or warrant or
other right to acquire shares of Common Stock shall continue to be subject to the provisions of this agreement; 

  

	 	(vii)	to the Company in connection with the receipt of shares of Common Stock in connection with the vesting or settlement of restricted stock units that vest during the Lock-up Period or the “net” or
“cashless” exercise of options that expire during the Lock-up Period to purchase shares of Common Stock for purposes of exercising such options, including the payment of taxes due as a result of the vesting, settlement or exercise of such
securities, provided that any such shares of Common Stock received upon such vesting, settlement or exercise shall continue to be subject to the provisions of this agreement, and, in addition, to the extent the Company or the undersigned
elects to settle income tax withholding and remittance obligations of the undersigned in connection with the vesting of such restricted stock units held by the undersigned by withholding shares of Common Stock pursuant to this subclause, then the
undersigned may transfer up to a number of shares of Common Stock underlying the vested and settled restricted stock units held by the undersigned equal to the maximum tax rate applicable to such undersigned; 

 

	 	(viii) 	if the undersigned is not eligible to settle income tax withholding and remittance obligations of the undersigned in connection with the vesting of restricted stock units held by the undersigned that vest during the
Lock-up Period by withholding shares of Common Stock pursuant to subclause (vii) above, then the undersigned may transfer up to a number of shares of the Common Stock underlying the vested and settled restricted stock units held by the
undersigned equal to the maximum tax rate applicable to such undersigned; 

  

	 	(ix)	to the Company, in connection with the repurchase of shares of Common Stock issued pursuant to an employee benefit plan in effect on the date hereof in accordance with the terms of such plan; 

  
 B-2 

	 	(x)	pursuant to a written plan meeting the requirements of Rule 10b5-1 (a “10b5-1 Plan”) under the Securities Exchange Act of 1934, as amended (the “Exchange Act”), in existence as of the date hereof,
provided that any public announcement or filing under Section 16(a) of the Exchange Act regarding such sale or transfer state that such transfers are made pursuant to a 10b5-1 Plan; 

 

	 	(xi)	pursuant to a bona fide third-party tender offer, merger, consolidation or other similar transaction made to all holders of the Common Stock involving a change of control of the Company, provided that in the event that
such tender offer, merger, consolidation or other such transaction is not completed, the undersigned’s Lock-Up Securities shall continue to be subject to the provisions of this agreement; or 

 

	 	(xii)	by operation of law, pursuant to a qualified domestic order or in connection with a divorce settlement; 

provided, however, that in the case of subclauses (i), (ii), (iii), (iv) and (v) above, it shall be a condition to the
transfer or distribution that each donee, trustee, distributee, or transferee shall execute an agreement stating that such donee, trustee, distributee, or transferee is receiving and holding such capital stock subject to the provisions of this
agreement and there shall be no further transfer of such capital stock except in accordance with this agreement; and 
 provided
further, that in the case of subclauses (i), (ii), (iii), (iv), (v), (vi), (vii) and (viii) above, it shall be a condition to such transfer that no filing under Section 16(a) of the Exchange Act nor any other public filing or
disclosure of such transfer by or on behalf of the undersigned shall be required or voluntarily made during the Lock-Up Period; provided, however, that solely with respect to subclause (iii), this provision shall not apply with respect to mandatory
Form 5 filings under Section 16(a) of the Exchange Act; 
  

	 	(b)	enter into, amend or modify a 10b5-1 Plan after the date of this agreement relating to the sale of the undersigned’s Lock-Up Securities, provided that the securities subject to such 10b5-1 Plan may not be sold
until after the expiration of the Lock-Up Period, and no public announcement or filing under the Exchange Act regarding the establishment of such plan shall be required or voluntarily made during the Lock-Up Period. 

The undersigned also agrees and consents to the entry of stop transfer instructions with the Company’s transfer agent and registrar
against the transfer of the Lock-Up Securities except in compliance with the foregoing restrictions. 
 Notwithstanding anything to the contrary contained
herein, this agreement shall automatically terminate upon the termination of the Purchase Agreement (other than the provisions thereof which survive termination) prior to payment for and delivery of the Securities. 

The undersigned hereby consents to receipt of this agreement in electronic form and understands and agrees that this agreement may be signed electronically.
In the event that any signature is delivered by facsimile transmission, electronic mail, or otherwise by electronic transmission evidencing an intent to sign this agreement, such facsimile transmission, electronic mail or other electronic
transmission shall create a valid and binding obligation of the undersigned with the same force and effect as if such signature were an original. Execution and delivery of this agreement by facsimile transmission, electronic mail or other electronic
transmission is legal, valid and binding for all purposes. 

  
 B-3 

 
			
	Very truly yours,
		
	Signature:	 	  

 
			
	Print Name:	 	  

  
 B-4

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