Document:

Exhibit 10.1

Exhibit 10.1

CONCURRENT PRIVATE PLACEMENT

STOCK PURCHASE AGREEMENT

by and between

NOVARTIS PHARMA AG

and

IDENIX PHARMACEUTICALS, INC.

 

 

 

Table of Contents

	 	 	 	 	 
	 	 	Page	 
	 
	 	 	 	 
	1. Purchase and Sale of Stock
	 	 	1	 
	 
	 	 	 	 
	1.1 Sale and Issuance of the Shares
	 	 	1	 
	1.2 Closing
	 	 	1	 
	1.3 Delivery
	 	 	2	 
	1.4 Further Assurances
	 	 	2	 
	 
	 	 	 	 
	2. Representations and Warranties of the Company
	 	 	2	 
	 
	 	 	 	 
	2.1 Organization; Good Standing; Qualification
	 	 	2	 
	2.2 Authorization
	 	 	2	 
	2.3 Valid Issuance of the Shares
	 	 	2	 
	2.4 Governmental Consents
	 	 	3	 
	2.5 Offering
	 	 	3	 
	2.6 Environmental and Safety Laws
	 	 	3	 
	2.7 Investment Company Act
	 	 	4	 
	2.8 Registration Statement
	 	 	4	 
	 
	 	 	 	 
	3. Representations and Warranties of the Investor
	 	 	4	 
	 
	 	 	 	 
	3.1 Authorization
	 	 	4	 
	3.2 Purchase Entirely for Own Account
	 	 	4	 
	3.3 Receipt of Information
	 	 	5	 
	3.4 Investment Experience
	 	 	5	 
	3.5 Accredited Investor
	 	 	5	 
	3.6 Restricted Securities
	 	 	5	 
	3.7 Legends
	 	 	5	 
	 
	 	 	 	 
	4. Conditions of the Investor’s Obligations at Closing
	 	 	5	 
	 
	 	 	 	 
	4.1 Representations and Warranties
	 	 	5	 
	4.2 Performance
	 	 	6	 
	4.3 Qualifications
	 	 	6	 
	4.4 Consummation of the Public Offering
	 	 	6	 
	4.5 Capital Stock
	 	 	6	 
	4.6 Material Adverse Effect
	 	 	6	 
	4.7 Legal Opinion
	 	 	6	 
	4.8 Absence of Litigation
	 	 	6	 
	 
	 	 	 	 
	5. Conditions of the Company’s Obligations at Closing
	 	 	6	 
	 
	 	 	 	 
	5.1 Representations and Warranties
	 	 	6	 
	5.2 Qualifications
	 	 	7	 
	5.3 Performance
	 	 	7	 
	5.4 Absence of Litigation
	 	 	7	 

 

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	 	 	Page	 
	 
	 	 	 	 
	6. Miscellaneous.
	 	 	7	 
	 
	 	 	 	 
	6.1 Entire Agreement
	 	 	7	 
	6.2 Survival of Warranties
	 	 	7	 
	6.3 Successors and Assigns
	 	 	7	 
	6.4 Governing Law
	 	 	7	 
	6.5 Counterparts
	 	 	7	 
	6.6 Titles and Subtitles
	 	 	7	 
	6.7 Notices
	 	 	8	 
	6.8 Finder’s Fees
	 	 	9	 
	6.9 Expenses
	 	 	9	 
	6.10 Attorneys’ Fees
	 	 	9	 
	6.11 Amendments and Waivers
	 	 	9	 
	6.12 Severability
	 	 	9	 
	6.13 Indemnification
	 	 	9	 
	6.14 Remedies
	 	 	9	 
	6.15
Termination
	 	 	10	 

	 	 	 	 	 	 	 	 	 
	Exhibit	 	 	 	 	 	 
	 
	 	 	 	 	 	 	 	 
	Exhibit A
	 	Form of Opinion of Wilmer Cutler Pickering Hale and Dorr LLP	 	 	 	 

 

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CONCURRENT PRIVATE PLACEMENT

STOCK PURCHASE AGREEMENT

This Concurrent Private Placement Stock Purchase Agreement (this “Agreement”) is made
as of the 8th day of April, 2011, by and between Idenix Pharmaceuticals, Inc., a Delaware
corporation (the “Company”), and Novartis Pharma AG (the “Investor”).

Recitals

Whereas, the Company and the Investor, among other parties, are parties to that
certain Amended and Restated Stockholders’ Agreement, dated as of July 27, 2004 (as amended, the
“Stockholders’ Agreement”);

Whereas, the Company proposes to undertake a public offering (the “Public Offering”)
of 21,056,500 shares of its Common Stock, par value $0.001 per share (the “Common Stock”), pursuant
to the Registration Statement on Form S-3 (File No. 333-153741) filed by the Company with the
Securities Exchange Commission (the “Commission”) and originally declared effective by the
Commission on October 17, 2008 (together with any amendment thereto or any additional registration
statement filed pursuant to Rule 462(b) promulgated under the Securities Act of 1933, as amended
(the “Securities Act”), the “Registration Statement”);

Whereas, pursuant to Section 4.1 of the Stockholders’ Agreement, the Investor has the
right to acquire a pro rata portion of the shares of Common Stock to be offered in the Public
Offering;

Whereas, the Company has authorized the sale and issuance of shares of its Common
Stock having an aggregate purchase price of $5 million to the Investor in a private placement to
occur concurrently with the closing of the Public Offering; and

Whereas, the Investor desires to purchase such shares on the terms and conditions set
forth herein.

Now, Therefore, in consideration of the foregoing recitals and the mutual promises
hereinafter set forth, the parties hereto agree as follows:

1. Purchase and Sale of Stock.

1.1 Sale and Issuance of the Shares. Subject to the terms and conditions of this Agreement,
the Investor agrees to purchase at the Closing (as defined below) and the Company agrees to sell
and issue to the Investor at the Closing, 1,785,714 shares of Common Stock (the “Shares”) at a
price per share equal to $2.80 (the “Purchase Price”).

1.2 Closing. The purchase and sale of the Shares shall take place at the offices of Wilmer
Cutler Pickering Hale and Dorr LLP, 60 State Street, Boston, Massachusetts 02129, concurrently with
the closing of the Public Offering, as contemplated by the Underwriting Agreement, dated April 8,
2011 (the “Underwriting Agreement”), between the Company and
J.P. Morgan Securities LLC (the
“Underwriter”) (which time and place are designated as the “Closing”). The date of the Closing is
referred to herein as the “Closing Date”.

 

 

 

1.3 Delivery. At the Closing, subject to the terms and conditions hereof, the Company will
cause to be delivered to the Investor a facsimile certificate representing the number of Shares to
be purchased at the Closing by the Investor and the Company will cause its transfer agent to
promptly deliver such certificate to the Investor not later than one business day after the Closing
Date, against receipt from the Investor of the aggregate purchase price for the Shares by wire
transfer of immediately available funds made payable to the order of the Company.

1.4 Further Assurances. The Company and the Investor hereby covenant and agree without the
necessity of any further consideration, to execute, acknowledge and deliver any and all such other
documents and take any such other action as may be reasonably necessary to carry out the intent and
purposes of this Agreement.

2. Representations and Warranties of the Company. The Company hereby represents and
warrants to the Investor as follows:

2.1 Organization; Good Standing; Qualification. The Company is a corporation duly organized,
validly existing, and in good standing under the laws of the State of Delaware, has all requisite
corporate power and authority to own and operate its properties and assets and to carry on its
business as now conducted and as presently proposed to be conducted, to execute and deliver this
Agreement, to issue and sell the Shares and to carry out the provisions of this Agreement. The
Company is duly qualified and is authorized to transact business and is in good standing as a
foreign corporation in each jurisdiction in which the nature of its business or property makes such
qualification necessary, except where the failure so to qualify would not have a material adverse
effect on the condition (financial or otherwise), results of operations, assets, liabilities or
business of the Company and its subsidiaries, taken as a whole, other than changes, effects or
circumstances (i) that are the result of factors generally affecting the pharmaceutical industry or
(ii) that are attributable to the announcement or performance of this Agreement or the consummation
of the transactions contemplated by this Agreement (a “Material Adverse Effect”).

2.2 Authorization. All corporate action on the part of the Company, its officers, directors
and stockholders necessary for the authorization, execution and delivery of this Agreement, the
performance of all obligations of the Company hereunder at the Closing and the authorization,
issuance, sale and delivery of the Shares has been taken or will be taken prior to the Closing, and
this Agreement, when executed and delivered by the Company and the Investor will constitute a valid
and legally binding obligation of the Company, enforceable in accordance with its terms except
(i) as limited by applicable bankruptcy, insolvency, reorganization, moratorium, and other laws of
general application affecting enforcement of creditors’ rights generally and (ii) as limited by
public policy and laws relating to the availability of specific performance, injunctive relief, or
other equitable remedies.

2.3 Valid Issuance of the Shares. The Shares, when issued, sold and delivered in accordance
with the terms of this Agreement for the consideration expressed herein, will be duly and validly
issued, fully paid and nonassessable, and will be free of restrictions on transfer imposed by or
through the Company other than restrictions on transfer under this Agreement or the Lock-Up
Agreement, dated April 6, 2011, by and between the Investor and the Underwriter.

 

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2.4 Governmental Consents. No consent, approval, qualification, order or authorization of, or
filing with, any local, state, or federal governmental authority is required on the part of the
Company in connection with the Company’s valid execution, delivery or performance of this
Agreement, or the offer, sale or issuance of the Shares by the Company, except such filings as have
been made prior to the Closing and except any notices of sale required to be filed with the
Securities and Exchange Commission under Regulation D of the Securities Act.

2.5 Offering. Based in part on the truth and accuracy of the Investor’s representations set
forth in this Agreement, the offer, sale and issuance of the Shares as contemplated by this
Agreement are exempt from the registration requirements of the Securities Act, and neither the
Company nor any authorized agent acting on its behalf will take any action hereafter that would
cause the loss of such exemption.

2.6 Environmental and Safety Laws.

(a) Neither the Company nor any Subsidiary (as defined below) is in material violation of any
Environmental Law (as defined below) and, to its knowledge, no material expenditures are or will be
required in order to comply with any Environmental Law. As used in this Agreement,
“Environmental Law” shall mean any applicable federal, state and local law, ordinance, rule
or regulation of any nation or government whether federal, state, municipal, local, provincial,
regional or other political subdivision thereof that regulates, fixes liability for, or otherwise
relates to, the environment or workplace health and safety, including, without limitation, the
handling, use (including use in industrial processes, in construction, as building materials, or
otherwise), treatment, storage presence, actual Release (as defined below) or threatened Release
(whether by disposal, a discharge into any water source or system or into the air, or otherwise) of
any Hazardous Materials (as defined below). The term “Release” shall mean any spilling,
leaking, pumping, pouring, emitting, emptying, discharging, injecting, escaping, leaching,
migrating, dumping or disposing into the environment. The term “Subsidiary” shall mean any
and all corporations, partnerships, joint ventures, associations and other entities controlled by
the Company directly or indirectly through one or more intermediaries.

(b) Neither the Company nor any Subsidiary has used, generated, manufactured, refined,
treated, transported, stored, handled, transferred, produced, processed or Released any Hazardous
Materials on, from or affecting any Property (as defined below) in any manner or by any means in
material violation of any Environmental Laws and, to the Company’s knowledge, there is no threat of
such use, generation, manufacture, refining, treatment, transportation, storage, handling,
transfer, production, processing or Release. As used herein, the term “Property” shall
include, without limitation, land, buildings and laboratory facilities owned or leased or otherwise
used by the Company or any Subsidiary or as to which the Company or such Subsidiary now has any
duties, responsibilities (for cleanup, remedy or otherwise) or liabilities under any Environmental
Laws, or as to which the Company or any Subsidiary may have such duties, responsibilities or
liabilities because of past acts or omissions of the Company or any such Subsidiary or their
predecessors, or because the Company or any such Subsidiary or their predecessors in the past was
such an owner or operator of, or bore some other relationship with, such land, buildings or
laboratory facilities. The term “Hazardous Materials” shall mean any flammable explosives,
petroleum products, petroleum by-products, radioactive materials, hazardous wastes, hazardous
substances, toxic substances, pollutants, contaminants, or other materials regulated or defined as
such by Environmental Laws.

(c) The Company has not received written notice that it or any Subsidiary is a party
potentially responsible for environmental cleanup costs incurred at a site or for corrective action
under any Environmental Laws. The Company has not received any written requests for information in
connection with any inquiry by any Governmental Entity (as defined below) concerning disposal sites
or other environmental matters. The term “Governmental Entity” shall mean any federal,
state, local, municipal or foreign court of competent jurisdiction, governmental agency, authority,
instrumentality, regulatory body, stock market or stock exchange.

 

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(d) The stockholders of the Company have had no control over, or authority with respect to,
and have not exercised control over the waste disposal operations of the Company or any Subsidiary.
The Company has not exercised control over the waste disposal operations of any Subsidiary.

2.7 Investment Company Act. The Company is not an “investment company”, or a company
“controlled” by an “investment company”, within the meaning of the Investment Company Act of 1940,
as amended.

2.8 Registration Statement. The Registration Statement conforms, and the base prospectus
forming a part of the Registration Statement, as supplemented by the final prospectus supplement
relating to the Public Offering filed pursuant to Rule 424(b) under the Securities Act (together,
the “Prospectus”) and any further amendments or supplements to the Registration Statement or the
Prospectus, together with all information incorporated by reference in the Registration Statement
or the Prospectus, will conform, in all material respects to the requirements of the Securities Act
and the rules and regulations of the Securities and Exchange Commission thereunder and do not and
will not, as of the applicable effective date as to the Registration Statement and any amendment
thereto, and as of the applicable filing date as to the Prospectus and any amendment or supplement
thereto, contain an untrue statement of a material fact or omit to state a material fact required
to be stated therein or necessary to make the statements therein not misleading. The Company
assumes full responsibility for the accuracy and completeness of all information included or
incorporated by reference in the Registration Statement and the Prospectus and acknowledges that
the Investor has relied upon the Registration Statement and the Prospectus in entering into this
Agreement; provided, however, that this representation and warranty shall not apply to any
statements or omissions made in reliance upon and in conformity with information furnished in
writing to the Company by the Investor expressly for use in the Registration Statement or the
Prospectus.

3. Representations and Warranties of the Investor. The Investor hereby represents
and warrants to the Company that:

3.1 Authorization. executed and delivered, will constitute a valid and legally binding
obligation of the Investor. All corporate action on the part of the Investor, its officers,
directors and stockholders necessary for the authorization, execution and delivery of this
Agreement and the performance of all obligations of the Investor hereunder at the Closing has been
taken or will be taken prior to the Closing, and this Agreement, when executed and delivered, will
constitute a valid and legally binding obligation of the Investor, enforceable in accordance with
its terms except (i) as limited by applicable bankruptcy, insolvency, reorganization, moratorium,
and other laws of general application affecting enforcement of creditors’ rights generally and
(ii) as limited by laws relating to the availability of specific performance, injunctive relief, or
other equitable remedies.

3.2 Purchase Entirely for Own Account. The Shares to be purchased by the Investor will be
acquired for investment for the Investor’s own account, not as a nominee or agent, and not with a
view to the resale or distribution of any part thereof, and that the Investor has no present
intention of selling, granting any participation in, or otherwise distributing the same. By
executing this Agreement, the Investor further represents that the Investor does not have any
contract, undertaking, agreement or arrangement with any person to sell, transfer or grant
participations to such person or to any third person, with respect to any of the Shares.

 

4

 

3.3 Receipt of Information. The Investor believes the Investor has received all the
information the Investor considers necessary or appropriate for deciding whether to purchase the
Shares. The Investor further represents that the Investor has had an opportunity to ask questions
and receive answers from the Company regarding the terms and conditions of the offering of the
Shares and the business, properties, prospects and financial condition of the Company. The
foregoing, however, does not limit or modify the representations and warranties of the Company in
Section 2 of this Agreement or the right of the Investor to rely thereon.

3.4 Investment Experience. The Investor represents that the Investor is experienced in
evaluating and investing in private placement transactions of securities of companies in a similar
stage of development and acknowledges that the Investor is able to fend for itself, can bear the
economic risk of the Investor’s investment, and has such knowledge and experience in financial and
business matters that the Investor is capable of evaluating the merits and risks of the investment
in the Shares.

3.5 Accredited Investor. The Investor either (i) is an “accredited investor” (as defined in
Regulation D under the Securities Act) or (ii) is a “non-U.S. person” (as defined in Regulation S
under the Securities Act) and is not acquiring the Shares for the account or benefit of any U.S.
Person.

3.6 Restricted Securities. The Investor understands that the Shares may not be sold,
transferred, or otherwise disposed of without registration under the Securities Act or an exemption
therefrom, and that in the absence of an effective registration statement covering the Shares or an
available exemption from registration under the Securities Act, the Shares must be held
indefinitely. In particular, the Investor is aware that the Shares may not be sold pursuant to
Rule 144 promulgated under the Securities Act unless all of the conditions of that Rule are met.

3.7 Legends. To the extent applicable, each certificate evidencing any of the Shares shall be
endorsed with the legends set forth below:

“THE SHARES REPRESENTED HEREBY HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF
1933, AS AMENDED, AND MAY NOT BE SOLD, TRANSFERRED, ASSIGNED, PLEDGED OR
HYPOTHECATED UNLESS AND UNTIL REGISTERED UNDER SUCH ACT, OR EXCECPT PURSUANT TO AN
EXEMPTION THEREFROM UNDER SUCH ACT.”

4. Conditions of the Investor’s Obligations at Closing. The obligations of the
Investor under this Agreement are subject to the fulfillment on or before the Closing of each of
the following conditions, the waiver of which shall not be effective against the Investor if the
Investor does not consent in writing thereto:

4.1 Representations and Warranties. The representations and warranties of the Company
contained in Section 2 shall be true on and as of the Closing with the same effect as though such
representations and warranties had been made on and as of the date of the Closing. An officer of
the Company shall have provided the Investor an executed certificate certifying that the
representations and warranties of the Company contained in Section 2 are true and correct as of the
date of the Closing.

 

5

 

4.2 Performance. The Company shall have performed and complied with all agreements,
obligations and conditions contained in this Agreement that are required to be performed or
complied with by it on or before the Closing. An officer of the Company shall have provided the
Investor an executed certificate certifying that the conditions specified in this Section 4.2 have
been fulfilled.

4.3 Qualifications. All authorizations, approvals, or permits, if any, of any governmental
authority or regulatory body of the United States or of any state that are required in connection
with the lawful issuance and sale of the Shares pursuant to this Agreement shall be duly obtained
and effective as of the Closing.

4.4 Consummation of the Public Offering. The Public Offering shall have been consummated and
the initial Closing Date (as defined in the Underwriting Agreement) shall have occurred.

4.5 Capital Stock. Upon the consummation of the Public Offering, the Company shall have sold
18,310,000 shares of its Common Stock in the Public Offering, at a price per share equal to the
Purchase Price. Following the consummation of the Public Offering, after giving effect to the
purchase of the Shares pursuant to this Agreement, the Investor shall own not less than 30% of the
voting stock of the Company. An officer of the Company shall have provided the Investor an
executed certificate certifying that each condition set forth in this Section 4.5 is true and
correct as of the date of the Closing.

4.6 Material Adverse Effect. There shall not have occurred any event, occurrence, or
circumstance which has had or could be reasonably likely to have a Material Adverse Effect.

4.7 Legal Opinion. The Investor shall have received from Wilmer Cutler Pickering Hale and
Dorr LLP such firm’s legal opinion addressed to the Investor and dated the Closing Date, which
shall be substantially in the form attached hereto as Exhibit A.

4.8 Absence of Litigation. There shall be no injunction, action, suit proceeding or
investigation pending or currently threatened against the Company or the Investor which questions
the validity of this Agreement or the right of the Company or the Investor to enter into this
Agreement or to consummate the transaction contemplated hereby.

5. Conditions of the Company’s Obligations at Closing. The obligations of the
Company under this Agreement are subject to the fulfillment on or before the Closing of each of the
following conditions, the waiver of which shall not be effective against the Company if the Company
does not consent in writing thereto:

5.1 Representations and Warranties. The representations and warranties of the Investor
contained in Section 3 shall be true on and as of the Closing with the same effect as though such
representations and warranties had been made on and as of the date of the Closing. An officer of
the Investor shall have provided the Company an executed certificate certifying that the
representations and warranties of the Investor contained in Section 3 of this Agreement are true
and correct as of the date of the Closing.

 

6

 

5.2 Qualifications. All authorizations, approvals, or permits, if any, of any governmental
authority or regulatory body of the United States or of any state that are required in connection
with the lawful issuance and sale of the Shares pursuant to this Agreement shall be duly obtained
and effective as of the Closing.

5.3 Performance. The Investor shall have performed and complied with in all material respects
all agreements, obligations and conditions contained in this Agreement that are required to be
performed or complied with by it on or before the Closing. An officer of the Investor shall have
provided the Company an executed certificate certifying that the conditions specified in this
Section 5.3 have been fulfilled.

5.4 Absence of Litigation. There shall be no injunction, action, suit proceeding or
investigation pending or currently threatened against the Company or the Investor which questions
the validity of this Agreement or the right of the Company or the Investor to enter into this
Agreement or to consummate the transaction contemplated hereby.

6. Miscellaneous.

6.1 Entire Agreement. This Agreement and the documents referred to herein constitute the
entire agreement among the parties relating to the subject matter hereof and thereof.

6.2 Survival of Warranties. The warranties, representations and covenants of the Company and
the Investor contained in or made pursuant to this Agreement shall survive the execution and
delivery of this Agreement and the Closing.

6.3 Successors and Assigns. Except as otherwise provided herein, the terms and conditions of
this Agreement shall inure to the benefit of and be binding upon the respective successors and
assigns of the parties (including permitted transferees of the Shares). Nothing in this Agreement,
express or implied, is intended to confer upon any party other than the parties hereto or their
respective successors and assigns any rights, remedies, obligations or liabilities under or by
reason of this Agreement, except as expressly provided in this Agreement. Notwithstanding anything
to the contrary contained herein, the Investor’s rights and obligations under this Agreement may be
assigned to an Affiliate (as defined in the Amended and Restated Stockholders’ Agreement), provided
that the Company is given at least one (1) business day prior written notice of the assignment by
the Investor.

6.4 Governing Law. This Agreement shall be governed by and construed under the laws of the
State of Delaware, without reference to conflicts of laws principles.

6.5 Counterparts. This Agreement may be executed in two or more counterparts, each of which
shall be deemed an original, but all of which together shall constitute one and the same
instrument.

6.6 Titles and Subtitles. The titles and subtitles used in this Agreement are used for
convenience only and are not to be considered in construing or interpreting this Agreement.

 

7

 

6.7 Notices. Unless otherwise provided, all notices and other communications required or
permitted under this Agreement shall be in writing and shall be mailed by United States first-class
mail, postage prepaid, sent by facsimile or delivered personally by hand or by a nationally
recognized courier addressed to the party to be notified at the address or facsimile number
indicated for such person on the signature page hereof, or at such other address or facsimile
number as such party may designate by ten (10) days’ advance written notice to the other parties
hereto. All such notices and other written communications shall be effective on the date of
mailing, facsimile transfer or delivery. Unless otherwise provided in writing to the other party,
all notices shall be sent to the following addresses:

Novartis Pharma AG

Lichtstrasse 35

CH-4002 Basel

Switzerland

Attention: Chief Executive Officer

Telecopy: 41-61-324-6677

With copies to (which shall not constitute notice):

Novartis Pharma AG

Lichtstrasse 35

CH-4002 Basel

Switzerland

Attention: General Counsel

Telecopy: 41-61-324-6859

and

Kaye Scholer LLP

425 Park Avenue

New York, NY 10022

Attention: Anthony H. Golden, Esq.

Facsimile:212-836-8689

Idenix Pharmaceuticals, Inc.

60 Hampshire Street

Cambridge, Massachusetts 02139

Attention: Chief Executive Officer

Telecopy: (617) 995-9801

With copies to (which shall not constitute notice):

Idenix Pharmaceuticals, Inc.

60 Hampshire Street

Cambridge, Massachusetts 02139

Attention: General Counsel

Telecopy: (617) 995-9801

and

Wilmer Cutler Pickering Hale and Dorr LLP

60 State Street

Boston, Massachusetts 02129

Attention: Susan W. Murley, Esq.

Telecopy: (617) 526-5000

 

8

 

6.8 Finder’s Fees. Each party represents that it neither is nor will be obligated for any
finder’s fee or commission in connection with this transaction.

The Investor agrees to indemnify and to hold harmless the Company from any liability for any
commission or compensation in the nature of a finder’s fee (and the cost and expenses of defending
against such liability or asserted liability) for which the Investor or any of its officers,
partners, employees or representatives is responsible.

The Company agrees to indemnify and hold harmless the Investor from any liability for any
commission or compensation in the nature of a finder’s fee (and the costs and expenses of defending
against such liability or asserted liability) for which the Company or any of its officers,
employees or representatives is responsible.

6.9 Expenses. Irrespective of whether the Closing is effected, each party hereto shall pay
all costs and expenses incurred by them with respect to the negotiation, execution, delivery and
performance of this Agreement.

6.10 Attorneys’ Fees. If any action at law or in equity is necessary to enforce or interpret
the terms of this Agreement, the prevailing party shall be entitled to reasonable attorneys’ fees,
costs and disbursements in addition to any other relief to which such party may be entitled.

6.11 Amendments and Waivers. Any term of this Agreement may be amended, and the observance of
any term of this Agreement may be waived (either generally or in a particular instance and either
retroactively or prospectively), only with the written consent of the party to be charged. Any
amendment or waiver effected in accordance with this paragraph shall be binding upon each holder of
any securities purchased under this Agreement at the time outstanding, each future holder of all
such securities and the Company.

6.12 Severability. If one or more provisions of this Agreement are held to be unenforceable
under applicable law, such provision shall be excluded from this Agreement and the balance of the
Agreement shall be interpreted as if such provision were so excluded and shall be enforceable in
accordance with its terms.

6.13 Indemnification. The Company shall indemnify, defend and hold the Investor and the
Investor’s directors, officers, employees, agents and affiliates harmless against any and all
liabilities, loss, cost or damage, together with all reasonable costs and expenses related thereto
(including legal and accounting fees and expenses), arising from, relating to, or connected with
the untruth, inaccuracy or breach of any statements, representations, warranties or covenants of
the Company contained herein or in any certificate provided by the Company pursuant to this
Agreement. The foregoing indemnification shall survive the termination of this Agreement for any
reason.

 

9

 

6.14 Remedies. In case any one or more of the covenants or agreements set forth in this
Agreement shall have been breached by any party hereto, the party or parties entitled to the
benefit of such covenants or agreements may proceed to protect and enforce their rights either by
suit in equity or action at law, including, but not limited to, an action for damages as a result
of any such breach or any action for specific performance of any such covenant or agreement
contained in this Agreement. The rights, powers and remedies of the parties under this Agreement
are cumulative and not exclusive of any other right, power or remedy which such parties may have
under any other agreement or law. No single or partial assertion or exercise or any right, power
or remedy or a party hereunder shall preclude any other or further assertion or exercise thereof.

6.15
Termination. This Agreement shall be automatically terminated if
for any reason the Underwriting Agreement is terminated prior to the
Closing Date.

[THE REMAINDER OF THIS PAGE IS INTENTIONALLY LEFT BLANK]

 

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In Witness Whereof, the parties hereto have executed this Concurrent
Private Placement Stock Purchase Agreement as of the date first written above:

	 	 	 	 	 	 	 	 	 	 	 	 	 
	Idenix Pharmaceuticals, Inc.	 	Novartis Pharma AG	 	 
	 
	 	 	 	 	 	 	 	 	 	 	 	 
	By:	 	/s/ Maria Stahl	 	By:	 	/s/ Anthony Rosenberg	 	 
	 	 	 	 	 	 	 	 	 
	 

	 	Name:
	 	Maria Stahl
	 	 	 	Name:
	 	Anthony Rosenberg	 	 
	 

	 	Title:
	 	Senior Vice President, General Counsel
	 	 	 	Title:
	 	Head Partnering and Emerging Businesses	 	 
	 
	 	 	 	 	 	 	 	 	 	 	 	 
	 	 	 	 	 	 	By:	 	/s/ Matt Owens	 	 
	 	 	 	 	 	 	 	 	 	 	 
	 

	 	 	 	 	 	 	 	Name:
	 	Matt Owens	 	 
	 

	 	 	 	 	 	 	 	Title:
	 	Senior Legal Counsel	 	 

 

 

 

EXHIBIT A

FORM OF OPINION OF

WILMER CUTLER PICKERING HALE AND DORR, LLPExhibit 10.41

Exhibit 10.41

Amendment to the KB Home 2010 Equity Incentive Plan

At KB Home’s 2011 Annual Meeting of Stockholders, held on April 7, 2011, KB Home’s stockholders
approved an amendment to the first sentence of Section 3.1(a) of the KB Home 2010 Equity
Incentive Plan (the “Plan”) that replaced the words “Three Million Five Hundred Thousand
(3,500,000)” with the words “Seven Million Five Hundred Thousand (7,500,000).” As a result, the
first sentence of Section 3.1(a) of the Plan is now as follows:

“3.1 Number of Shares.

(a) Subject to adjustment as provided in Section 3.1(b) and Section 13.2, a total of Seven
Million Five Hundred Thousand (7,500,000) Shares shall be authorized for grant under the Plan.”

Except for the above amendment, no other changes were made to the Plan.

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