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Exhibit 10.5  

          

  

  

  

  

  

  

  

 
 

XTENT, INC.    
    
    AMENDED AND RESTATED    
    
    INVESTORS' RIGHTS AGREEMENT    
    
    May 5, 2006    
    

          

  

  

  

  

  

  

  

 
 
 

TABLE OF CONTENTS    
    

	 
	 
	 	Page

	Section 1 Definitions	 	1
	 	
 1.1	

Defined Terms	
 	

1
	

Section 2 Restrictions on Transferability of Securities; Registration Rights	
 	

3
	 	
 2.1	

Restrictions on Transfer	
 	

3
	 	2.2	Requested Registration	 	4
	 	2.3	Company Registration	 	6
	 	2.4	Expenses of Registration	 	7
	 	2.5	Registration on Form S-3	 	7
	 	2.6	Registration Procedures	 	8
	 	2.7	Indemnification	 	8
	 	2.8	Information by Holder	 	10
	 	2.9	Limitations on Subsequent Registration Rights	 	10
	 	2.10	Rule 144 Reporting	 	11
	 	2.11	Transfer or Assignment of Registration Rights	 	11
	 	2.12	"Market Stand-Off" Agreement	 	11
	 	2.13	Allocation of Registration Opportunities	 	12
	 	2.14	Delay of Registration	 	12
	 	2.15	Termination of Registration Rights	 	12
	

Section 3 Covenants of the Company	
 	

13
	 	
 3.1	

Basic Financial Information and Inspection Rights	
 	

13
	 	3.2	Key Man Insurance	 	13
	 	3.3	Directors and Officers Insurance	 	13
	 	3.4	Proprietary Information and Invention Assignment Agreements	 	13
	 	3.5	Termination of Covenants	 	13
	

Section 4 Right of First Refusal	
 	

14
	 	
 4.1	

Right of First Refusal to Major Holders	
 	

14
	 	4.2	Termination of Right of First Refusal	 	16
	

Section 5 Miscellaneous	
 	

16
	 	
 5.1	

Amendment	
 	

16
	 	5.2	Notices	 	16
	 	5.3	Governing Law	 	17
	 	5.4	Successors and Assigns	 	17
	 	5.5	Entire Agreement	 	17
	 	5.6	Delays or Omissions	 	17
	 	5.7	Severability	 	17
	 	5.8	Titles and Subtitles	 	17
	 	5.9	Counterparts	 	17
	 	5.10	Telecopy Execution and Delivery	 	17
	 	5.11	Jurisdiction; Venue	 	18
	 	5.12	Jury Trial	 	18
	 	5.13	Further Assurances	 	18
	 	5.14	Waiver of Potential Conflicts of Interest	 	18
	 	5.15	Confidentiality	 	18
	 	5.16	Aggregation of Shares	 	19
	 	5.17	Waiver of Right of First Refusal	 	19

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XTENT, INC.
  AMENDED AND RESTATED INVESTORS' RIGHTS AGREEMENT    
    

        This Amended and Restated Investors' Rights Agreement (this "Agreement") is made and entered into as of
May 5, 2006, by and among Xtent, Inc., a Delaware corporation (the "Company"), certain existing holders of the Company's Preferred Stock
(the "Prior Investors") and purchasers of the Company's Series D Preferred Stock (the "New
Investors," and, together with the Prior Investors, the "Investors") all of whose names are listed on  Exhibit A attached
hereto. This Agreement supersedes in its entirety the Amended and Restated Investors' Rights Agreement dated
February 9, 2005 entered into by and among the Company and the Prior Investors (the "Prior Agreement"). 

 
 

RECITALS    
    

        A.    WHEREAS, the Company and the New Investors are entering into a Series D Preferred Stock Purchase Agreement dated as
of the date of this Agreement (the "Series D Purchase Agreement"), pursuant to which such New Investors will purchase shares of the Company's
Series D Preferred Stock; 

        B.    WHEREAS, a condition to the obligations of certain of the New Investors under the Series D Purchase Agreement is
that the Company, the Prior Investors and the New Investors enter into this Agreement for the purpose of setting forth certain restrictions on transfer, registration rights, and information rights; 

        C.    WHEREAS, in order to induce the New Investors to purchase shares of Series D Preferred Stock under the
Series D Purchase Agreement the Company, the Prior Investors and the New Investors have agreed to enter into this Agreement; and 

        D.    WHEREAS, the Company and the Prior Investors holding the number of shares necessary to amend the Prior Agreement desire to
amend and restate the Prior Agreement and to accept the rights and covenants hereof in lieu of their rights and covenants under the Prior Agreement. 

 
 

AGREEMENT    
    

        NOW, THEREFORE, in consideration of the mutual promises and covenants set forth herein, the parties hereto agree
as follows: 

 
 

Section 1
  Definitions

        1.1    Defined Terms.    As used in this Agreement, the following terms shall have the meanings set forth below: 

        (a)   "Change of Control" shall mean either (i) a consolidation or merger with or into another corporation as a result
of which the stockholders of the Company will own less than fifty percent (50%) of the outstanding stock of the surviving corporation or (ii) a sale, lease, exclusive license or other
conveyance of all or substantially all of the assets of the Company, provided that in the case of either (i) or (ii), the stockholders receive upon such transaction cash and/or unrestricted
securities that are actively traded on a National Securities Exchange or the Nasdaq Stock Market. 

        (b)   "Closing" shall mean the date of the initial sale of shares of the Company's Series D Preferred Stock. 

        (c)   "Commission" shall mean the Securities and Exchange Commission or any other federal agency at the time administering the
Securities Act. 

        (d)   "Exchange Act" shall mean the Securities Exchange Act of 1934, as amended, or any similar successor federal statute and
the rules and regulations thereunder, all as the same shall be in effect from time to time. 

 

        (e)   "Holder" shall mean any Investor who then holds Registrable Securities and any holder of Registrable Securities to whom
the registration rights conferred by this Agreement have been transferred in compliance with Section 2.1 and Section 2.11 hereof. 

        (f)    "Indemnified Party" shall have the meaning set forth in  Section 2.7(c) hereof. 

        (g)   "Indemnifying Party" shall have the meaning set forth in  Section 2.7(c) hereof. 

        (h)   "Initiating Holders" shall mean any Holder or Holders who in the aggregate hold not less than forty percent (40%) of the
outstanding Registrable Securities. 

        (i)    "Major Holder" shall mean any Holder who then holds at least 1,000,000 shares (subject to subsequent adjustments for
stock splits, stock dividends, reverse stock splits and the like) of Registrable Securities. For the purpose of determining whether an Investor is a Major Investor, all shares of Preferred Stock or
Common Stock issued or issuable upon conversion of outstanding Preferred Stock held or acquired by an Investor and its affiliated entities shall be aggregated. 

        (j)    "New Securities" shall have the meaning set forth in  Section 4.1(a) hereto. 

        (k)   "Other Stockholders" shall mean persons other than Holders who, by virtue of agreements with the Company, are entitled to
include their securities in certain registrations hereunder. 

        (l)    "Preferred Stock" shall mean the Company's Series A Preferred Stock, Series B Preferred Stock,
Series C Preferred Stock and Series D Preferred Stock. 

        (m)  "Qualified IPO" shall mean the Company's first sale of its Common Stock in a bona fide, firm commitment underwriting
pursuant to a registration statement filed with the Securities Exchange Commission, with aggregate net proceeds to the Company of at least $60,000,000 (after deduction for underwriting discounts,
commissions and expenses, if any) and a per share price to the public of at least $9.00. 

        (n)   "Registrable Securities" shall mean (i) shares of Common Stock issued or issuable pursuant to the conversion of
the Shares and (ii) any Common Stock issued as a dividend or other distribution with respect to or in exchange for or in replacement of the shares referenced in (i) above; provided,
however, that Registrable Securities shall not include any shares of Common Stock which have previously been registered or which have been sold to the public either pursuant to a registration
statement or Rule 144, or which have been sold in a private transaction in which the transferor's rights under this Agreement are not assigned. 

        (o)   The
terms "register," "registered" and
"registration" shall refer to a registration effected by preparing and filing a registration statement in compliance with the Securities Act and
applicable rules and regulations thereunder, and the declaration or ordering of the effectiveness of such registration statement. 

        (p)   "Registration Expenses" shall mean all expenses incurred in effecting any registration pursuant to this Agreement,
including, without limitation, all registration, qualification, and filing fees, printing expenses, escrow fees, fees and disbursements of counsel for the Company, blue sky fees and expenses, and
expenses of any regular or special audits incident to or required by any such registration, but shall not include Selling Expenses, fees and disbursements of counsel for the Holders and the
compensation of regular employees of the Company, which shall be paid in any event by the Company. 

        (q)   "Restricted Securities" shall mean any Registrable Securities required to bear the first legend set forth in  Section 2.1(b) hereof. 

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        (r)   "Rule 144" shall mean Rule 144 as promulgated by the Commission under the Securities Act, as such Rule may
be amended from time to time, or any similar successor rule that may be promulgated by the Commission. 

        (s)   "Rule 145" shall mean Rule 145 as promulgated by the Commission under the Securities Act, as such Rule may
be amended from time to time, or any similar successor rule that may be promulgated by the Commission. 

        (t)    "Securities Act" shall mean the Securities Act of 1933, as amended, or any similar successor federal statute and the
rules and regulations thereunder, all as the same shall be in effect from time to time. 

        (u)   "Selling Expenses" shall mean all underwriting discounts, selling commissions and stock transfer taxes applicable to the
sale of Registrable Securities and fees and disbursements of counsel for any Holder (other than the fees and disbursements of counsel included in Registration Expenses). 

        (v)   "Series D Purchase Agreement" shall have the meaning set forth in the recitals hereto. 

        (w)  "Shares" shall mean the Company's Preferred Stock. 

 
 

Section 2
  Restrictions on Transferability of Securities; Registration Rights.

        2.1    Restrictions on Transfer.    

        (a)   Each
Holder agrees not to make any disposition of all or any portion of the Registrable Securities unless: 

        (i)    There
is then in effect a registration statement under the Securities Act covering such proposed disposition and such disposition is made in accordance with such
registration statement; 

        (ii)   Such
Holder shall have notified the Company of the proposed disposition and shall have furnished the Company with a detailed statement of the circumstances surrounding
the proposed disposition, and, if reasonably requested by the Company, such Holder shall have furnished the Company with an opinion of counsel, reasonably satisfactory to the Company, that such
disposition will not require registration of such shares under the Securities Act, provided that the transferee will be subject to the terms of this Section 2.1 to the same extent as if such
transferee were an original Holder hereunder. It is agreed that the Company will not require the delivery of notice or opinions of counsel for transactions made pursuant to Rule 144 except in
unusual circumstances; 

        (iii)  Such
transfer is to (A) a fund, partnership, limited liability company or other entity that is affiliated with such Holder; (B) a director, officer,
stockholder, partner or member (or retired partner or member) of such Holder, or to the estate of any such partner or member (or retired partner or member); or (C) a trust for the benefit of
such Holder or to such Holder's spouse, siblings, lineal descendants or ancestors by gift, will or intestate succession; provided, in each case, that the transferee will be subject to the terms of
this Section 2.1 to the same extent as if such transferee were an original Holder hereunder; or 

        (iv)  Such
transfer is otherwise required by federal or state law. 

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        (b)   Each
certificate representing Registrable Securities shall (unless otherwise permitted by the provisions of this Agreement) be stamped or otherwise imprinted with a
legend substantially similar to the following (in addition to any legend required under applicable state securities laws): 

THE
SECURITIES REPRESENTED HEREBY HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE "ACT"), AND MAY NOT BE OFFERED, SOLD OR
OTHERWISE TRANSFERRED, PLEDGED OR HYPOTHECATED UNLESS AND UNTIL REGISTERED UNDER THE ACT OR, IN THE OPINION OF COUNSEL SATISFACTORY TO THE ISSUER OF THESE SECURITIES, SUCH OFFER, SALE OR TRANSFER,
PLEDGE OR HYPOTHECATION OTHERWISE COMPLIES WITH THE ACT. 

THE
SHARES REPRESENTED BY THIS CERTIFICATE ARE SUBJECT TO A LOCK-UP PERIOD OF UP TO 180 DAYS FOLLOWING THE EFFECTIVE DATE OF A REGISTRATION STATEMENT OF THE COMPANY FILED UNDER THE
SECURITIES ACT OF 1933, AS AMENDED, OR FOR SUCH LONGER PERIOD AS SET FORTH IN THE AMENDED AND RESTATED INVESTORS' RIGHTS AGREEMENT BETWEEN THE COMPANY AND THE ORIGINAL HOLDER OF THESE SHARES, A COPY
OF WHICH MAY BE OBTAINED AT THE PRINCIPAL OFFICE OF THE COMPANY. SUCH LOCK-UP PERIOD IS BINDING ON TRANSFEREES OF THESE SHARES. 

        (c)   The
Company shall be obligated to reissue unlegended certificates at the request of any Holder thereof if the Holder shall have obtained (i) an opinion of counsel
at such Holder's expense (which counsel may be counsel to the Company) reasonably acceptable to the Company to the effect that the securities proposed to be disposed of may lawfully be so disposed of
without registration, qualification or legend, and (ii) delivered such securities to the Company or its transfer agent. 

        (d)   Any
legend endorsed on an instrument pursuant to applicable state securities laws and the stop-transfer instructions with respect to such securities shall be
removed upon receipt by the Company of an order of the appropriate blue sky authority authorizing such removal. 

        2.2    Requested Registration.    

        (a)    Request for Registration.    If the Company shall receive from Initiating Holders at any time or times not
earlier than the earlier of (i) three (3) years after the date of this Agreement or (ii) one-hundred eighty (180) days after the effective date of the first
registration statement filed by the Company covering an offering of any of its securities to the general public, a written request that the Company effect any registration with respect to all or a
part of the Registrable Securities (but not less than 20% of the Registrable Securities then outstanding) the aggregate proceeds of which (before deduction of underwriting discounts, commissions and
expenses, if any) are not less than $10,000,000, the Company will: 

        (i)    promptly
give written notice of the proposed registration to all other Holders; and 

        (ii)   as
soon as practicable, use its best efforts to effect such registration (including, without limitation, filing post-effective amendments, appropriate
qualifications under applicable blue sky or other state securities laws, and appropriate compliance with the Securities Act) and as would permit or facilitate the sale and distribution of all or such
portion of such Registrable Securities as are specified in such request, together with all or such portion of the Registrable Securities of any Holder or Holders joining in such request as are
specified in a written request received by the Company within twenty (20) days after such written notice from the Company is mailed or delivered. Notwithstanding anything to the contrary
contained herein, if the registration requested is to be an underwritten offering and if the underwriters have not limited the number of Registrable Securities to be underwritten, the 

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Company
shall be entitled, at its election, to join in any such registration with respect to securities to be offered by it or any other party. 

        (iii)  The
Company shall not be obligated to effect, or to take any action to effect, any such registration requested pursuant to this  Section 2.2: 

        (A)  In
any particular jurisdiction in which the Company would be required to execute a general consent to service of process in effecting such registration, qualification,
or compliance, unless the Company is already subject to service in such jurisdiction and except as may be required by the Securities Act; 

        (B)  After
the Company has initiated two (2) such registrations pursuant to this Section 2.2(a) (counting for
these purposes only registrations which have been declared or ordered effective and pursuant to which securities have been sold and registrations which have been withdrawn by the Holders as to which
the Holders have not elected to bear the Registration Expenses pursuant to Section 2.4 hereof and would, absent such election, have been required
to bear such expenses); 

        (C)  During
the period starting with the date ninety (90) days prior to the Company's good faith estimate of the date of filing of, and ending on a date ninety
(90) days after the effective date of (or one hundred eighty (180) days in the case of the first registration statement filed by the Company), a Company-initiated registration; provided
that the Company delivers notice to the Initiating Holders within thirty (30) days of the written request that the Company intends to file such registration statement within ninety
(90) days and provided that the Company is actively employing in good faith its best efforts to cause such registration statement to become effective; or 

        (D)  If
the Initiating Holders propose to dispose of shares of Registrable Securities that may be immediately registered on Form S-3 pursuant to a request
made under Section 2.5 hereof. 

        (b)   Subject
to the foregoing clauses (A) through (D), the Company shall file a registration statement covering the Registrable Securities so requested to be
registered as soon as practicable after receipt of the request or requests of the Initiating Holders; provided, however, that if (i) in the good faith judgment of the Board of Directors of the
Company (the "Board of Directors"), such registration would be detrimental to the Company and the Board of Directors concludes, as a result, that it is
in the best interests of the Company to defer the filing of such registration statement at such time, and (ii) the Company furnishes to the Initiating Holders a certificate signed by the
President or Chief Executive Officer of the Company stating that in the good faith judgment of the Board of Directors, it would be detrimental to the Company for such registration statement to be
filed in the near future and that it is, therefore, in the best interests of the Company to defer the filing of such registration statement, then the Company shall have the right to defer such filing
for a period of not more than ninety (90) days (except as provided in clause (C) above) after receipt of the request of the Initiating Holders, and, provided further, that the Company
shall not defer its obligation in this manner more than once in any twelve-month period. 

        The
registration statement filed pursuant to the request of the Initiating Holders may, subject to the provisions of Sections 2.2(d) and  2.13 hereof, include
other securities of the Company, with respect to which registration rights have been granted, and may include securities of the
Company being sold for the account of the Company. 

        (c)    Underwriting.    In the event that a registration pursuant to this Section 2.2 is for a registered
public offering involving an underwriting, the right of any Holder to participate in such registration shall be conditioned upon such Holder's participation in such underwriting and the 

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inclusion
of such Holder's Registrable Securities in the underwriting (unless otherwise mutually agreed by a majority in interest of the Initiating Holders and such Holder with respect to such
participation and inclusion) to the extent provided herein. A Holder may elect to include in such underwriting all or a part of the Registrable Securities such Holders holds. 

        (d)    Procedures.    If the Company shall request inclusion in any registration pursuant to  Section 2.2 of securities being
sold for its own account, or if other persons shall request inclusion in any registration pursuant to  Section 2.2, the Initiating Holders shall, on behalf of all Holders, offer to include such
securities in the underwriting and may condition such
offer on their acceptance of the further applicable provisions of this Section 2 (including  Section 2.12). The Company shall (together with all
Holders and other persons proposing to distribute their securities through such underwriting)
enter into an underwriting agreement in customary form with the representative of the underwriter or underwriters selected for such underwriting by a majority in interest of the Initiating Holders,
which underwriters are reasonably acceptable to the Company. Notwithstanding any other provision of this Section 2.2, if the representative of
the underwriters advises the Initiating Holders in writing that marketing factors require a limitation on the number of shares to be underwritten, the number of shares to be included in the
underwriting or registration shall be allocated as set forth in Section 2.13 hereof. If a person who has requested inclusion in such registration
as provided above does not agree to the terms of any such underwriting, such person shall be excluded therefrom by written notice from the Company, the underwriter or the Initiating Holders. The
securities so excluded shall also be withdrawn from registration. Any Registrable Securities or other securities excluded or withdrawn from such underwriting shall also be withdrawn from such
registration. If shares are so withdrawn from the registration and if the number of shares to be included in such registration was previously reduced as a result of marketing factors pursuant to this  Section 2.2(d),
 then the Company shall offer to all Holders who have retained rights to include securities in the registration the right to
include additional securities in the registration in an aggregate amount equal to the number of shares so withdrawn, with such shares to be allocated among such Holders requesting additional inclusion
in accordance with Section 2.13. 

        2.3    Company Registration.    

        (a)   If
the Company shall determine to register any of its securities either for its own account or the account of a security holder or holders exercising their respective
demand registration rights (other than pursuant to Section 2.2 or 2.5 hereof), other than a
registration relating solely to employee benefit plans, a registration relating to the offer and sale of debt securities, or a registration relating to a corporate reorganization or other transaction
on Form S-4, or a registration on any registration form that does not permit secondary sales, the Company will: 

        (i)    promptly
give to each Holder written notice thereof; and 

        (ii)   use
its best efforts to include in such registration (and any related qualification under blue sky laws or other compliance), except as set forth in  Section 2.3(b) below, and in any underwriting
involved therein, all the Registrable Securities specified in a written request or requests, made
by any Holder and received by the Company within ten (10) days after the written notice from the Company described in clause (i) above is mailed or delivered by the Company. Such written
request may specify all or a part of a Holder's Registrable Securities. 

        (b)    Underwriting.    If the registration of which the Company gives notice is for a registered public offering
involving an underwriting, the Company shall so advise the Holders as a part of the written notice given pursuant to Section 2.3(a)(i). In such
event, the right of any Holder to registration pursuant to this Section 2.3 shall be conditioned upon such Holder's participation in such
underwriting and the inclusion of such Holder's Registrable Securities in the underwriting to the extent provided herein. All Holders proposing to distribute their securities through such 

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underwriting
shall (together with the Company and the other holders of securities of the Company with registration rights to participate therein distributing their securities through such
underwriting) enter into an underwriting agreement in customary form with the representative of the underwriter or underwriters selected by the Company. 

        Notwithstanding
any other provision of this Section 2.3, if the representative of the underwriters advises the Company in writing
that marketing factors require a limitation on the number of shares to be underwritten, the representative may (subject to the limitations set forth below) exclude all Registrable Securities from, or
limit the number of Registrable Securities to be included in, the registration and underwriting. The Company shall so advise all holders of securities requesting registration, and the number of shares
of securities that are entitled to be included in the registration and underwriting shall be allocated first to the Company for securities being sold for its own account and thereafter as set forth in  Section 2.13; provided, however, that, except in
connection with the Company's initial public offering (from which Registrable Securities may be entirely excluded), the number of shares to be sold by the Holders shall not be limited to less than
twenty percent (20%) of the total number of shares to be included in such registration. If any person does not agree to the terms of any such underwriting, such person shall be excluded therefrom by
written notice from the Company or the underwriter. Any Registrable Securities or other securities excluded or withdrawn from such underwriting shall be withdrawn from such registration. To facilitate
the allocation of shares in accordance with the above provisions, the Company or the underwriter(s) may round the number of shares allocated to any Holder to the nearest 100 shares (with 50 being
rounded up). 

        If
shares are so withdrawn from the registration and if the number of shares of Registrable Securities to be included in such registration was previously reduced as a result of marketing
factors, the Company shall then offer to all persons who have retained the right to include securities in the registration the right to include additional securities in the registration in an
aggregate amount equal to the number of shares so withdrawn, with such shares to be allocated among the persons requesting additional inclusion in accordance with this  Section 2.3(b) and
Section 2.13 hereof. 

        (c)    Right to Terminate Registration.    The Company shall have the right to terminate or withdraw any registration
initiated by it under this Section 2.3 prior to the effectiveness of such registration whether or not any Holder has elected to include
securities in such registration. 

        2.4    Expenses of Registration.    All Registration Expenses incurred in connection with any registration,
qualification or compliance pursuant to Sections 2.2, 2.3 and  2.5 hereof including the reasonable fees of
one counsel for the selling stockholders not to exceed $25,000 per registration, shall be borne by the Company; provided, however, that if the Holders bear the Registration Expenses for any
registration proceeding begun pursuant to Section 2.2 and subsequently withdrawn by the Holders registering shares therein, such registration
proceeding shall not be counted as a requested registration pursuant to Section 2.2 hereof. Furthermore, in the event that a withdrawal by the
Holders is based upon material adverse information relating to the Company that is different from the information known or available (upon request from the Company or otherwise) to the Holders
requesting registration at the time of their request for registration under Section 2.2, such registration shall not be treated as a counted
registration for purposes of Section 2.2 hereof, even though the Holders do not bear the Registration Expenses for such registration. All Selling
Expenses relating to securities so registered shall be borne by the Holders of such securities pro rata on the basis of the number of shares of securities so registered on their behalf, as shall any
other expenses in connection with the registration required to be borne by the Holders of such securities. 

        2.5    Registration on Form S-3.    

        (a)   After
its initial public offering, the Company shall use its best efforts to qualify for registration on Form S-3 or any comparable or successor form
or forms. After the Company has qualified for the use of Form S-3, in addition to the rights contained in the foregoing provisions of 

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this
Section 2, the Holders shall have the right to request registrations on Form S-3 (such requests shall be in writing and shall state the number of shares of Registrable
Securities to be disposed of and the intended methods of disposition of such shares by such Holder or Holders), provided,  however, that the Company shall
not be obligated to effect any such registration (i) if the Holders, together with the holders of any other
securities of the Company entitled to inclusion in such registration, propose to sell Registrable Securities and such other securities (if any) on Form S-3 at an aggregate price to
the public of less than $l,000,000 (ii) in the circumstances described in clauses (A) and (C) of Section 2.2(a)(iii),
(iii) if the Company shall furnish the certification described in Section 2.2(b) (but subject to the limitations set forth therein), or
(iv) if the Company has effected two registrations under this Section 2.5 within the twelve (12) months immediately proceeding the date of such request. 

        (b)   If
a request complying with the requirements of Section 2.5(a) hereof is delivered to the Company, the provisions
of Sections 2.2(a)(i) and (ii) and Section 2.2(b)
hereof shall apply to such registration. If the registration is for an underwritten offering, the provisions of Sections 2.2(c) and  2.2(d) hereof shall
apply to such registration. 

        2.6    Registration Procedures.    In the case of each registration effected by the Company pursuant to  Section 2, the Company
will keep each Holder advised in writing as to the initiation of each registration and as to the completion thereof. At
its expense, the Company will use its best efforts to: 

        (a)   Upon
the request of the Holders of a majority of the Registrable Securities registered thereunder, keep such registration effective for a period of one hundred eighty
(180) days or until the Holder or Holders have completed the distribution described in the registration statement relating thereto, whichever first occurs; 

        (b)   Prepare
and file with the Commission such amendments and supplements to such registration statement and the prospectus used in connection with such registration
statement as may be necessary to comply with the provisions of the Securities Act with respect to the disposition of all securities covered by such registration statement; 

        (c)   Furnish
such number of prospectuses and other documents incident thereto, including any amendment of or supplement to the prospectus, as a Holder from time to time may
reasonably request; 

        (d)   Cause
all such Registrable Securities registered pursuant hereunder to be listed on each securities exchange on which similar securities issued by the Company are then
listed; and 

        (e)   In
connection with any underwritten offering pursuant to a registration statement filed pursuant to Section 2.2
hereof, the Company will enter into an underwriting agreement in form reasonably necessary to effect the offer and sale of such securities, provided such underwriting agreement contains reasonable and
customary provisions, and provided further, that each Holder participating in such underwriting shall also enter into and perform its obligations under such agreement. 

        2.7    Indemnification.    

        (a)   The
Company will indemnify each Holder, each of its officers, directors and partners, legal counsel, and accountants and each person controlling such Holder within the
meaning of Section 15 of the Securities Act, with respect to which registration, qualification, or compliance has been effected pursuant to this  Section 2, and each underwriter, if any, and
each person who controls within the meaning of Section 15 of the Securities Act any
underwriter, against all expenses, claims, losses, damages, and liabilities (or actions, proceedings, or settlements in respect thereof) arising out of or based on any untrue statement (or alleged
untrue statement) of a material fact contained in any prospectus, offering circular, or other document (including any 

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related
registration statement, notification, or the like) incident to any such registration, qualification, or compliance, or based on any omission (or alleged omission) to state therein a material
fact required to be stated therein or necessary to make the statements therein not misleading, or any violation by the Company of the Securities Act or any rule or regulation thereunder applicable to
the Company and relating to action or inaction required of the Company in connection with any such registration, qualification, or compliance, and will reimburse each such Holder, each of its
officers, directors, partners, legal counsel, and accountants and each person controlling such Holder, each such underwriter, and each person who controls any such underwriter, for any legal and any
other expenses reasonably incurred in connection with investigating and defending or settling any such claim, loss, damage, liability, or action, provided that the Company will not be liable in any
such case to the extent that any such claim, loss, damage, liability, or expense arises out of or is based on any untrue statement or omission based upon written information furnished to the Company
by such Holder or underwriter and stated to be specifically for use therein. It is agreed that the indemnity agreement contained in this  Section 2.7(a) shall not apply to amounts paid in settlement
of any such loss, claim, damage, liability, or action if such settlement is effected
without the consent of the Company (which consent shall not be unreasonably withheld). 

        (b)   Each
Holder will, if Registrable Securities held by such Holder are included in the securities as to which such registration, qualification, or compliance is being
effected, indemnify the Company, each of its directors, officers, partners, legal counsel, and accountants and each underwriter, if any, of the Company's securities covered by such a registration
statement, each person who controls the Company or such underwriter within the meaning of Section 15 of the Securities Act, each other such Holder and Other Stockholder, and each of their
officers, directors, and partners, and each person controlling such Holder or Other Stockholder, against all claims, losses, damages and liabilities (or actions in respect thereof) arising out of or
based on any untrue statement (or alleged untrue statement) of a material fact contained in any such registration statement, prospectus, offering circular, or other document, or any omission (or
alleged omission) to state therein a material fact required to be stated therein or necessary to make the statements therein not misleading, and will reimburse the Company and such Holders, Other
Stockholders, directors, officers, partners, legal counsel, and accountants, persons, underwriters, or control persons for any legal or any other expenses reasonably incurred in connection with
investigating or defending any such claim, loss, damage, liability, or action, in each case to the extent, but only to the extent, that such untrue statement (or alleged untrue statement) or omission
(or alleged omission) is made in such registration statement, prospectus, offering circular, or other document in reliance upon and in conformity with written information furnished to the Company by
such Holder and stated to be specifically for use therein provided, however, that the obligations of such Holder hereunder shall not apply to amounts paid in settlement of any such claims, losses,
damages, or liabilities (or actions in respect thereof) if such settlement is effected without the consent of such Holder (which consent shall not be unreasonably withheld); and provided that in no
event shall any indemnity under this Section 2.7 exceed the net proceeds from the offering received by such Holder. 

        (c)   Each
party entitled to indemnification under this Section 2.7 (the "Indemnified
Party") shall give notice to the party required to provide indemnification (the "Indemnifying Party") promptly after such
Indemnified Party has actual knowledge of any claim as to which indemnity may be sought, and shall permit the Indemnifying Party to assume the defense of such claim or any litigation resulting
therefrom, provided that counsel for the Indemnifying Party, who shall conduct the defense of such claim or any litigation resulting therefrom, shall be approved by the Indemnified Party (whose
approval shall not be unreasonably withheld), and the Indemnified Party may participate in such defense at such party's expense, and provided further that the failure of any Indemnified Party to give
notice as provided herein shall not relieve the Indemnifying Party of 

9

 

its
obligations under this Section 2, to the extent such failure is not prejudicial. No Indemnifying Party, in the defense of any such claim or
litigation, shall, except with the consent of each Indemnified Party, consent to entry of any judgment or enter into any settlement that does not include as an unconditional term thereof the giving by
the claimant or plaintiff to such Indemnified Party of a release from all liability in respect to such claim or litigation. Each Indemnified Party shall furnish such information regarding itself or
the claim in question as an Indemnifying Party may reasonably request in writing and as shall be reasonably required in connection with defense of such claim and litigation resulting therefrom. 

        (d)   If
the indemnification provided for in this Section 2.7 is held by a court of competent jurisdiction to be
unavailable to an Indemnified Party with respect to any loss, liability, claim, damage, or expense referred to therein, then the Indemnifying Party, in lieu of indemnifying such Indemnified Party
hereunder, shall contribute to the amount paid or payable by such Indemnified Party as a result of such loss, liability, claim, damage, or expense in such proportion as is appropriate to reflect the
relative fault of the Indemnifying Party on the one hand and of the Indemnified Party on the other in connection with the statements or omissions that resulted in such loss, liability, claim, damage,
or expense as well as any other relevant equitable considerations. The relative fault of the Indemnifying Party and of the Indemnified Party shall be determined by reference to, among other things,
whether the untrue or alleged untrue statement of a material fact or the omission to state a material fact relates to information supplied by the Indemnifying Party or by the Indemnified Party and the
parties' relative intent, knowledge, access to information, and opportunity to correct or prevent such statement or omission. 

        (e)   Notwithstanding
the foregoing, to the extent that the provisions on indemnification and contribution contained in the underwriting agreement entered into in connection
with the underwritten public offering are in conflict with the foregoing provisions, the provisions in the underwriting agreement shall control. 

        2.8    Information by Holder.    Each Holder of Registrable Securities shall furnish to the Company such information
regarding such Holder and the distribution proposed by such Holder as the Company may reasonably request in writing and as shall be reasonably required in connection with any registration,
qualification, or compliance referred to in this Section 2.

        2.9    Limitations on Subsequent Registration Rights.    From and after the date of this Agreement, the Company shall
not, without the prior written consent of a majority in interest of the Holders, enter into any agreement with any holder or prospective holder of any securities of the Company giving such holder or
prospective holder any registration rights the terms of which are more favorable than the registration rights granted to the Holders hereunder. 

10

  

        2.10    Rule 144 Reporting.    With a view to making available the benefits of certain rules and regulations
of
the Commission that may permit the sale of the Restricted Securities to the public without registration, the Company agrees to use its best efforts to: 

        (a)   File
with the Commission in a timely manner all reports and other documents required of the Company under the Securities Act and the Exchange Act at any time after it
has become subject to such reporting requirements; 

        (b)   So
long as a Holder owns any Restricted Securities, furnish to the Holder forthwith upon written request a written statement by the Company as to its compliance with the
reporting requirements of Rule 144 (at any time from and after ninety (90) days following the effective date of the first registration statement filed by the Company for an offering of
its securities to the general public), and of the Securities Act and the Exchange Act (at any time after it has become subject to such reporting requirements), a copy of the most recent annual or
quarterly report of the Company, and such other reports and documents so filed as a Holder may reasonably request in availing itself of any rule or regulation of the Commission allowing a Holder to
sell any such securities without registration. 

        2.11    Transfer or Assignment of Registration Rights.    The rights to cause the Company to register securities
granted to a Holder by the Company under this Section 2 may be transferred or assigned by a Holder only to (i) any partner or retired
partner of a Holder which is a partnership; (ii) any member or former member of any Holder which is a limited liability company; (iii) any family member or trust for benefit of any
individual Holder; (v) any affiliated venture capital fund under common investment management of a Holder which is a venture capital entity or (v) a transferee or assignee of not less
than 75,000 shares of Registrable Securities (subject to subsequent adjustments for stock splits, stock dividends, reverse stock splits, and the like), provided that the Company is given written
notice at the time of or within a reasonable time after each such transfer or assignment, stating the name and address of the transferee or assignee and identifying the securities with respect to
which such registration rights are being transferred or assigned, and, provided further, that the transferee or assignee of such rights assumes in writing the obligations of such Holder under this  Section 2.

        2.12    "Market Stand-Off" Agreement.    Each Holder hereby agrees that he, she or it will not, without
the prior written consent of the managing underwriter, during the period commencing on the date of the final prospectus relating to the Company's first underwritten public offering of its Common Stock
under the Securities Act and ending on the date specified by the Company and the managing underwriter (such period not to exceed one hundred eighty (180) days) (the "Lockup Period")
(i) lend, 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, directly or indirectly, any shares of Common Stock or any securities convertible into or exercisable or exchangeable for Common Stock (whether such shares or any such
securities are then owned by such Holder or are thereafter acquired), or (ii) enter into any swap or other arrangement that transfers to another, in whole or in part, any of the economic
consequences of ownership of the Common Stock, whether any such transaction described in clause (i) or (ii) above is to be settled by delivery of Common Stock or such other securities,
in cash or otherwise. The foregoing provisions of this Section 2.12 shall (i) apply only if all directors and executive officers of the Company and holders of at least five percent (5%)
of the Company's outstanding voting securities have executed and delivered an agreement identical or substantially similar either to the provisions set forth in this Section 2.12 or to that
which the Holders have been requested to sign by the managing underwriter, (ii) apply to the first such registration statement of the Company, including securities to be sold on its behalf to
the public in an underwritten offering, and (iii) not apply to the sale of any shares to an underwriter pursuant to an underwriting agreement. The underwriters in connection with a public
offering of equity securities by the Company are intended third party beneficiaries of this Section 2.12 and shall have the right, power and authority, subject to the foregoing limitations, to
enforce the provisions hereof as though they were 

11

 

a
party hereto. The obligations described in this Section 2.12 shall not apply to a registration relating solely to employee benefit plans on
Form S-l or Form S-8 or similar forms that may be promulgated in the future, or a registration relating solely to a transaction on Form S-4 or
similar forms that may be promulgated in the future. The Company may impose stop-transfer instructions and may stamp each such certificate with the second legend set forth in  Section 2.1(b) hereof
with respect to the shares of Common Stock (or other securities) subject to the foregoing restriction until the end of the
Lock-Up Period. Each Holder agrees to execute a market standoff agreement with said underwriters in customary form consistent with the provisions of this  Section 2.12. 

        2.13    Allocation of Registration Opportunities.    Subject to the last sentence of this  Section 2.13, in any circumstance in
which all of the Registrable Securities and other shares of Common Stock of the Company (including shares of
Common Stock issued or issuable upon conversion of shares of any currently unissued series of Preferred Stock of the Company) with registration rights (the "Other
Shares") requested to be included in a registration on behalf of the Holders or other selling stockholders cannot be so included as a result of limitations of the aggregate
number of shares of Registrable Securities and Other Shares that may be so included, the number of shares of Registrable Securities and Other Shares that may be so included shall be allocated among
the Holders and other selling stockholders requesting inclusion of shares pro rata on the basis of the number of shares of Registrable Securities and Other Shares that would be held by such Holders
and other selling stockholders, assuming conversion; provided, however, that such allocation shall not operate to reduce the aggregate number of Registrable Securities and Other Shares to be included
in such registration, if any Holder or other selling stockholder does not request inclusion of the maximum number of shares of Registrable Securities and Other Shares allocated to him pursuant to the
above-described procedure,
in which case the remaining portion of his allocation shall be reallocated among those requesting Holders and other selling stockholders whose allocations did not satisfy their requests pro rata on
the basis of the number of shares of Registrable Securities and Other Shares which would be held by such Holders and other selling stockholders, assuming conversion, and this procedure shall be
repeated until all of the shares of Registrable Securities and Other Shares which may be included in the registration on behalf of the Holders and other selling stockholders have been so allocated. No
stockholder of the Company shall be granted registration rights that would reduce the number of shares includable by the holders of Registrable Securities in such registration (except for  pari passu
registration rights granted for securities issuable upon the exercise of warrants issued in connection with debt financing by banks or
equipment lessors, provided that the terms of such debt financing and the issuance of warrants were approved by a majority of the Board of Directors) without the consent of the holders of at least
sixty percent (60%) of the Registrable Securities. The Company shall not limit the number of Registrable Securities to be included in a registration pursuant to this Agreement in order to include
shares held by stockholders with no registration rights or to include shares of stock issued to founders of the Company or to employees, officers, directors, or consultants pursuant to the Company's
2002 Stock Plan, or in the case of registrations under Sections 2.2 or 2.5 hereof, in order to include
in such registration securities registered for the Company's own account or Other Shares. 

        2.14    Delay of Registration.    No Holder shall have any right to take any action to restrain, enjoin, or otherwise
delay any registration as the result of any controversy that might arise with respect to the interpretation or implementation of this Section 2.

        2.15    Termination of Registration Rights.    The right of any Holder to request registration or inclusion in any
registration pursuant to Section 2.2, 2.3 or 2.5
shall terminate on the closing of the first registered public offering of Common Stock of the Company, if all shares of Registrable Securities held or entitled to be held upon conversion by such
Holder may immediately be sold under Rule 144 during any ninety (90)-day period, or the earlier of (i) such date after the closing of the first registered public offering of
Common Stock of the Company as all shares of Registrable Securities held or entitled to be 

12

 

held
upon conversion by such Holder may immediately be sold under Rule 144 during any ninety (90)-day period, (ii) five (5) years after the closing of a Qualified IPO,
or (iii) a Change of Control. 

 
 

Section 3
  Covenants of the Company.    
    

        The Company hereby covenants and agrees, as follows: 

        3.1    Basic Financial Information and Inspection Rights.    Except as otherwise prohibited by federal or state law: 

        (a)   The
Company will furnish the following reports to each Holder: 

        (i)    within
forty-five (45) days after the end of each fiscal quarter of the Company, a consolidated balance sheet of the Company and its subsidiaries, if
any, as at the end of such quarter, and consolidated statements of income and cash flows of the Company and its subsidiaries, if any, for such year, prepared in accordance with generally accepted
accounting principles consistently applied; and 

        (ii)   within
one hundred twenty (120) days after the end of each fiscal year of the Company, a consolidated balance sheet of the Company and its subsidiaries, if any,
as at the end of such fiscal year, and consolidated statements of income and cash flows of the Company and its subsidiaries, if any, for such year, prepared in accordance with generally accepted
accounting principles consistently applied, certified by independent public accountants of recognized national standing selected by the Company. 

        (b)   In
addition, the Company will furnish the following reports to each Major Holder: 

        (i)    at
least thirty (30) days prior to the beginning of each fiscal year an operating plan for such fiscal year; 

        (ii)   within
thirty (30) days after the end of each month, an unaudited balance sheet and statements of income and cash flows, which set forth variances from the
operating plan; and 

        (iii)  within
thirty (30) days after the end of each month an updated capitalization table listing all share, option, warrant, and debt holders as of such month end. 

        (c)   So
long as any Holder holds any shares of Preferred Stock, such Holder shall be entitled to standard inspection rights as provided for by applicable law, upon reasonable
notice. 

        3.2    Key Man Insurance.    The Company will use its best efforts to maintain a key-man life insurance
policy for the chief executive officer in the amount of $2,000,000, naming the Company as the beneficiary. 

        3.3    Directors and Officers Insurance.    The Company will use its best efforts to maintain directors and officers
insurance policies for each of the directors and officers in an amount of at least $2,000,000. 

        3.4    Proprietary Information and Invention Assignment Agreements.    The Company will enter into the Company's
standard proprietary information and invention assignment agreement with each current, former and future officer, employee and consultant of the Company. The Company will have future officers,
employees or consultants execute such agreements before commencing work for the Company. 

        3.5    Termination of Covenants.    The covenants set forth in this  Section 3 shall terminate and be of no further force and
effect immediately before the earlier of (i) the closing of the Company's
Qualified IPO or (ii) a Change of Control, or if otherwise prohibited by applicable state or federal securities laws 

13

 

and
regulations. Nothing in this Section 3 shall require the Company to provide such information and inspection rights to the public generally. 

 
 

Section 4
  Right of First Refusal.

        4.1    Right of First Refusal to Major Holders.    The Company hereby grants to each Major Holder the right of first
refusal to purchase a pro rata share of New Securities (as defined in this Section 4.1) which the Company may, from time to time after the date
hereof, propose to sell and issue. A Major Holder's pro rata share, for purposes of this right of first refusal, is the ratio of the number of shares of Common Stock of the Company owned by such Major
Holder immediately prior to the issuance of New Securities, assuming full conversion of the Shares and exercise of any options or warrants held by said Major Holder, to the total number of shares of
Common Stock of the Company outstanding immediately prior to the issuance of New Securities, assuming full conversion of the Shares and exercise of all outstanding convertible securities, rights,
options and warrants to acquire Common Stock of the Company. Each Major Holder shall have a right of over-allotment such that if any Major Holder fails to exercise its right hereunder to
purchase its pro rata share of New Securities, the other Major Holders may purchase the non-purchasing Major Holder's portion on a pro rata basis within ten (10) days from the date
such non-purchasing Major Holder fails to exercise its right hereunder to purchase its pro rata share of New Securities. This right of first refusal shall be subject to the following
provisions: 

        (a)   "New Securities" shall mean any capital stock (including Common Stock and/or Preferred Stock) of the Company whether now
authorized or not, and rights, options or warrants to purchase such capital stock, and securities of any type whatsoever that are, or may become, convertible into capital stock; provided that the term
"New Securities" does not include: 

        (i)    Series D
Preferred Stock purchased under the Series D Purchase Agreement; 

        (ii)   shares
of Common Stock issued or issuable upon conversion of the Shares; 

        (iii)  shares
of Common Stock issued or issuable to officers, directors and employees of, or consultants to, the Company pursuant to stock grants, option plans, purchase
plans or other employee stock incentive programs or arrangements, in each case approved by the Board of Directors, including the approval of at least two (2) of the members of the Board of
Directors elected pursuant to Sections 1 (b), 1(c), 1(d) and 1(e) of that certain Amended and Restated Voting Agreement entered into by the Corporation and certain holders of voting securities in the
Company as of even date herewith (known hereinafter as the "Preferred Directors"), or upon exercise of options or warrants granted to such parties
pursuant to any such plan or arrangement; 

        (iv)  shares
of Common Stock issued upon the exercise or conversion of options or convertible securities of the Company pursuant to the terms of such options or convertible
securities as outstanding and in existence as of the date of this Agreement, as amended; 

        (v)   shares
of Common Stock issued or issuable as a dividend or distribution on the Shares or pursuant to any event for which adjustment is made pursuant to Article IV
paragraph 4(e), 4(f) or 4(g) of the Certificate of Incorporation of the Company; 

        (vi)  shares
of Common Stock issued in a Qualified IPO; 

        (vii) shares
of capital stock, or options, or warrants to purchase shares of capital stock issued or issuable pursuant to the acquisition of another corporation by the
Company by merger, purchase of substantially all of the assets or other reorganization or pursuant to a joint venture agreement, other than a joint venture agreement principally for the purpose of 

14

 

an
equity financing, provided, that in each case, such issuances are approved by the Board of Directors, including the approval of at least two (2) of the Preferred Directors; 

        (viii) shares
of capital stock, or options, or warrants to purchase shares of capital stock issued or issuable to banks, equipment lessors or other financial institutions
pursuant to a commercial leasing or debt financing transaction or similar transaction approved by the Board of Directors, including the approval of at least two (2) of the Preferred Directors; 

        (ix)  shares
of capital stock determined by the Board of Directors, including the approval of at least two (2) of the Preferred Directors, to be exempt from the
definition of New Securities and issued or issuable in connecting with sponsored research, collaboration, technology license, development, OEM, marketing or other similar agreements or strategic
partnerships, in each case approved by the Board of Directors, including the approval of at least two (2) of the Preferred Directors; 

        (x)   shares
of Common Stock issued to suppliers or third party service providers in connection with the provision of goods or services pursuant to transaction approved by the
Board of Directors, including the approval of at least two (2) of the Preferred Directors; 

        (xi)  shares
of Common Stock or Preferred Stock of the Company which are otherwise excluded by the affirmative vote or consent of the holders of at least sixty percent (60%)
of the Preferred Stock then outstanding; and 

        (xii) any
right, option or warrant to acquire any security convertible into the securities excluded from the definition of New Securities pursuant to subsections
(i) through (xi) above. 

        (b)   In
the event the Company proposes to undertake an issuance of New Securities, it shall give each Major Holder written notice of its intention, describing the type of New
Securities, and their price and the general terms upon which the Company proposes to issue the same. Each Major Holder shall have ten (10) days after any such notice is mailed or delivered to
agree to purchase such Major Holder's pro rata share of such New Securities for the price and upon the terms specified in the notice by giving written notice to the Company and stating therein the
quantity of New Securities to be purchased. 

        (c)   In
the event the Major Holders fail to exercise fully the right of first refusal within said ten (10) day period and after the expiration of the additional ten
(10) day period for the exercise of the over-allotment provisions of this Section 4.1, the Company shall have ninety
(90) days thereafter to sell or enter into an agreement (pursuant to which the sale of New Securities covered thereby shall be closed, if at all, within ninety (90) days from the date of
said agreement) to sell the New Securities respecting which the Major Holders' right of first refusal option set forth in this Section 4.1 was
not exercised, at a price and upon terms no more favorable to the purchasers thereof than specified in the Company's notice to Major Holders pursuant to  Section 4.1(b). In the event the Company has
not sold the New Securities within such ninety (90) day period or entered into an agreement
to sell the New Securities in accordance with the foregoing within ninety (90) days from the date of said agreement, the Company shall not thereafter issue or sell any New Securities, without
first
again offering such securities to the Major Holders in the manner provided in Sections 4.1(a) and 4.1(b)
above. 

        (d)   The
right of first refusal set forth in this Section 4.1 may not be assigned or transferred, except that such
right is assignable by each Major Holder to (i) any transferee that receives at least 1,000,000 shares of Registrable Securities in such transfer and (ii) any wholly owned subsidiary or
parent of, or to any corporation or entity that is, within the meaning of the Securities Act, controlling, controlled by or under common control with, any such Major Holder. 

15

 

        4.2    Termination of Right of First Refusal.    The right of first refusal set forth in  Section 4.1 shall terminate and be of
no further force and effect immediately before the earlier of (i) the closing of the Company's
Qualified IPO or (ii) a Change of Control. 

 
 

Section 5
  Miscellaneous.

        5.1    Amendment.    Except as expressly provided herein, neither this Agreement nor any term hereof may be amended,
waived, discharged or terminated other than by a written instrument referencing this Agreement and signed by the Company and the Holders holding at least sixty percent (60%) of the Registrable
Securities (excluding any of such shares that have been sold to the public or pursuant to Rule 144); provided, however, that Holders purchasing Shares from the Company after the date hereof may
become parties to this Agreement without any amendment of this Agreement pursuant to this paragraph or any consent or approval of any other Holder. Notwithstanding the foregoing, in the event an
amendment, modification or waiver adversely affects the rights and/or obligations of any party or parties under this Agreement in a manner materially different from the manner in which it affects the
rights and/or obligations of each of the other parties, such amendment, modification or waiver shall also require the written consent of such adversely affected party or a majority in interest of such
adversely affected parties; provided, however, that the amendment of this Agreement in connection with
an equity financing of the Company to provide the holders of a new class or series of capital stock of the Company with rights pari passu with or senior
to those of the holders of the Series D Preferred Stock hereunder by itself shall not be deemed an event requiring such consent. Any such amendment, waiver, discharge or termination effected in
accordance with this paragraph shall be binding upon each Holder and each future holder of all such securities of Holder. Each Holder acknowledges that by the operation of this paragraph, the holders
of at least sixty percent (60%) of the Registrable Securities (excluding any of such shares that have been sold to the public or pursuant to Rule 144) will have the right and power to diminish
or eliminate all rights of such Holder under this Agreement, subject to the provisions herein. In addition, the Company may waive performance of any obligation owing to it, as to some or all of the
Holders, or agree to accept alternatives to such performance, without obtaining the
consent of any Holder. In the event that an underwriting agreement contains terms differing from this Agreement, as to any such Holder the terms of such underwriting agreement shall govern. 

        5.2    Notices.    All notices and other communications required or permitted hereunder shall be in writing and shall
be mailed by registered or certified mail, postage prepaid, sent by facsimile or electronic mail or otherwise delivered by hand or by messenger addressed: 

        (a)   if
to an Investor, at such Investor's facsimile number or electronic mail address as shown in the Company's records, as may be updated in accordance with the provisions
hereof; 

        (b)   if
to any other holder of any Shares or the underlying Common Stock, at such address, facsimile number or electronic mail address as shown in the Company's records, or,
until any such holder so furnishes an address, facsimile number or electronic mail address to the Company, then to and at the address of the last holder of such Shares or underlying Common Stock for
which the Company has contact information in its records; or 

        (c)   if
to the Company, one copy should be sent to its address or facsimile number set forth on the signature page to this Agreement and addressed to the attention of the
President, or at such other address or facsimile number as the Company shall have furnished to the Investors, with a copy to J. Casey McGlynn, Wilson Sonsini Goodrich & Rosati, 650 Page Mill
Road, Palo Alto, California fax: (650) 483-6811. 

        With
respect to any notice given by the Company under any provision of the Delaware General Corporation Law or the Company's charter or bylaws, each Investor agrees that such notice may
given by facsimile or by electronic mail. 

16

 

        Each
such notice or other communication shall for all purposes of this Agreement be treated as effective or having been given when delivered if delivered personally, or, if sent by mail,
at the earlier of its receipt or 72 hours after the same has been deposited in a regularly maintained receptacle for the deposit of the United States mail, addressed and mailed as aforesaid or,
if sent by facsimile, upon confirmation of facsimile transfer or, if sent by electronic mail, when directed to the electronic mail address as shown in the Company's records. 

        5.3    Governing Law.    This Agreement shall be governed in all respects by the internal laws of the State of
California as applied to agreements entered into among California residents to be performed entirely within California, without regard to principles of conflicts of law. 

        5.4    Successors and Assigns.    This Agreement, and any and all rights, duties and obligations hereunder, shall not
be assigned, transferred, delegated or sublicensed by any Investor without the prior written consent of the Company. Any attempt by an Investor without such permission to assign, transfer, delegate or
sublicense any rights, duties or obligations that arise under this Agreement shall be void. Subject to the foregoing and except as otherwise provided herein, the provisions of this Agreement shall
inure to the benefit of, and be binding upon, the successors, assigns, heirs, executors and administrators of the parties. 

        5.5    Entire Agreement.    This Agreement and the exhibit hereto constitute the full and entire understanding and
agreement between the parties with regard to the subjects hereof. No party hereto shall be liable or bound to any other party in any manner with regard to the subjects hereof or thereof by any
warranties, representations or covenants except as specifically set forth herein. 

        5.6    Delays or Omissions.    Except as expressly provided herein, no delay or omission to exercise any right, power
or remedy accruing to any party to this Agreement upon any breach or default of any other party under this Agreement shall impair any such right, power or remedy of such non-defaulting
party, nor shall it be construed to be a waiver of any such breach or default, or an acquiescence therein, or of or in any similar breach or default thereafter occurring, nor shall any waiver of any
single breach or default be deemed a waiver of any other breach or default theretofore or thereafter occurring. Any waiver, permit, consent or approval of any kind or character on the part of any
party of any breach or default under this Agreement, or any waiver on the part of any party of any provisions or conditions of this Agreement, must be in writing and shall be effective only to the
extent specifically set forth in such writing. All remedies, either under this Agreement or by law or otherwise afforded to any party to this Agreement, shall be cumulative and not alternative. 

        5.7    Severability.    Unless otherwise expressly provided herein, the rights of the Investors hereunder are several
rights, not rights jointly held with any of the other Investors. In the event that any provision of this Agreement becomes or is declared by a court of competent jurisdiction to be illegal,
unenforceable or void, this Agreement shall continue in full force and effect without said provision, and the parties agree to negotiate, in good faith, a legal and enforceable substitute provision
which most nearly effects the parties' intent in entering into this Agreement. 

        5.8    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. All references in this Agreement to sections, paragraphs and exhibits shall, unless otherwise provided, refer to sections and
paragraphs hereof and exhibits attached hereto. 

        5.9    Counterparts.    This Agreement may be executed in any number of counterparts, each of which shall be
enforceable against the parties that execute such counterparts, and all of which together shall constitute one instrument. 

        5.10    Telecopy Execution and Delivery.    A facsimile, telecopy or other reproduction of this Agreement may be
executed by one or more parties hereto, and an executed copy of this Agreement may be delivered by one or more parties hereto by facsimile or similar electronic transmission device 

17

 

pursuant
to which the signature of or on behalf of such party can be seen, and such execution and delivery shall be considered valid, binding and effective for all purposes. At the request of any
party hereto, all parties hereto agree to execute an original of this Agreement as well as any facsimile, telecopy or other reproduction hereof. 

        5.11    Jurisdiction; Venue.    With respect to any disputes arising out of or related to this Agreement, the parties
consent to the exclusive jurisdiction of, and venue in, the state courts in San Mateo County in the State of California (or in the event of exclusive federal jurisdiction, the courts of the Northern
District of California). 

        5.12    Jury Trial.    EACH OF THE PARTIES HERETO HEREBY IRREVOCABLY WAIVES, TO THE FULLEST EXTENT PERMITTED BY LAW,
ANY AND ALL RIGHT TO TRIAL BY JURY IN ANY LEGAL PROCEEDING (WHETHER SOUNDING IN CONTRACT, TORT OR OTHERWISE) ARISING OUT OF OR RELATED TO THIS AGREEMENT. 

        5.13    Further Assurances.    Each party hereto agrees to execute and deliver, by the proper exercise of its
corporate, limited liability company, partnership or other powers, all such other and additional instruments and documents and do all such other acts and things as may be necessary to more fully
effectuate this Agreement. 

        5.14    Waiver of Potential Conflicts of Interest.    Each of the Investors and the Company acknowledges that Wilson
Sonsini Goodrich & Rosati, Professional Corporation ("WSGR") may have represented and may currently represent the Company and certain of the
Investors. In the course of such representation, WSGR may have come into possession of confidential information relating to the Company and Investors. Each of the Investors and the Company
acknowledges that WSGR is representing only the Company in this transaction. Each of the Investors and the Company understands that an affiliate of WSGR may also be an Investor under this Agreement.
Each of the Investors and the Company hereby waives any actual or potential conflict of interest which may arise as a result of WSGR's representation of such persons and entities, WSGR's possession of
such confidential information and the participation by WSGR's affiliate in the financing. Each of the Investors and the Company represents that it has had the opportunity to consult with independent
counsel concerning the giving of this waiver. 

        5.15    Confidentiality.    Anything in this Agreement to the contrary notwithstanding, no Holder by reason of this
Agreement shall have access to any trade secrets or classified information of the Company. The Company shall not be required to comply with any information rights of Section 3 in respect of any
Holder whom the Company reasonably determines to be a competitor or an officer, employee, director, or to be a holder of more than ten percent (10%) of the voting securities of a competitor. Each
Holder acknowledges that the information received by them pursuant to this Agreement may be confidential and for its use only, and it will not use such confidential information in violation of the
Exchange Act or reproduce, disclose or disseminate such information to any other person (other than to: (i) its attorneys, accountants, consultants, and other professionals to the extent
necessary to obtain their services in connection with monitoring its investment in the Company; or (ii) to any affiliate, partner, member, stockholder, or wholly owned subsidiary of the Holder
in the ordinary course of business, provided that the recipient of such information is bound by the confidentiality provisions) unless such information (i) is known or becomes known to the
public in general (other than as a result of a breach of this Agreement by the Holder), (ii) is or has been independently developed or conceived by the Holder without use of the Company's
information, (iii) is or has been made known or disclosed to the Holder by a third party without a breach of any obligation of confidentiality such third party may have to the Company, or
(iv) must be disclosed as required by law, provided that the Holder promptly notifies the Company of such disclosure and takes reasonable steps to minimize the extent of any such required
disclosure. 

18

 

        5.16    Aggregation of Shares.    All Shares held or acquired by affiliated entities or persons shall be aggregated
together for the purposes of determining the availability of any rights under this Agreement. 

        5.17    Waiver of Right of First Refusal.    The Prior Investors hereby expressly waive the right of first refusal,
including but not limited to any notice provisions, contained in Section 4.1 of the Prior Agreement. 

19

        IN WITNESS WHEREOF, the parties hereto have executed this Agreement effective as of the day and year first above written. 

	 	 	COMPANY:
	

 	
 	
XTENT, INC.

a Delaware corporation
	

 	
 	

By:	
 	

/s/ Gregory D. Casciaro
 Gregory D. Casciaro

President and Chief Executive Officer
	

 	
 	

 	
 	

Address:	

125 Constitution Drive

Menlo Park, CA 94025

	 	 	INVESTORS:
	

 	
 	

MORGENTHALER PARTNERS VI, L.P.
	

 	
 	

By:	
 	

Morgenthaler Management Partners VI, LLC,
	 	 	Its:	 	Managing Partner
	

 	
 	

By:	
 	

/s/ Robert C. Bellas, Jr.
 Robert C. Bellas, Managing Member
	

 	
 	

Address:	

2710 Sand Hill Road, Suite 100

Menlo Park, CA 94025

	 	 	ADAMS STREET V, L.P.
	

 	
 	

By:	
 	

Adams Street Partners, LLC
	 	 	Its:	 	General Partner
	

 	
 	

By:	
 	

/s/ Terry Gould
 Name

Title
	

 	
 	

Address:	

One North Wacker Drive, Suite 2200

Chicago, IL 60606-2807
	

 	
 	

ADAMS STREET 2006 DIRECT FUND, L.P.
	

 	
 	

By:	
 	

ASP 2006 Direct Management, LLC
	 	 	Its:	 	General Partner
	

 	
 	

By:	
 	

Adams Street Partners, LLC
	 	 	Its:	 	Managing Member
	

 	
 	

By:	
 	

/s/ Terry Gould
 Name

Title: Partner
	

 	
 	

Address:	

One North Wacker Drive, Suite 2200

Chicago, IL 60606-2807

	 	 	ST. PAUL VENTURE CAPITAL VI, LLC
	

 	
 	

By:	
 	

SPVC Management VI, LLC
	 	 	Its:	 	Managing Member
	

 	
 	

By:	
 	

/s/ Allan R. Will
 Its Managing Director
	

 	
 	

Address:	

10400 Viking Drive, Suite 550

Eden Prairie, MN 55344

	 	 	LATTERELL VENTURE PARTNERS, L.P.
	

 	
 	

By:	
 	

Latterell Capital Management, L.L.C.
	 	 	Its:	 	General Partner
	

 	
 	

By:	
 	

/s/ Patrick F. Latterell

	 	 	Name:	 	Patrick Latterell
	 	 	Title:	 	Managing Member
	

 	
 	

Address:	

Four Embarcadero Center

Suite 2500

San Francisco, CA 94111
	

 	
 	

LATTERELL VENTURE PARTNERS II, L.P.
	

 	
 	

By:	
 	

Latterell Capital Management II, L.L.C.
	 	 	Its:	 	General Partner
	

 	
 	

By:	
 	

/s/ Patrick F. Latterell

	 	 	Name:	 	Patrick Latterell
	 	 	Title:	 	Managing Member
	

 	
 	

Address:	

Four Embarcadero Center

Suite 2500

San Francisco, CA 94111
	

 	
 	

LVP III ASSOCIATES, L.P.
	

 	
 	

By:	
 	

Latterell Capital Management III, L.L.C.
	 	 	Its:	 	General Partner
	

 	
 	

By:	
 	

/s/ Patrick F. Latterell

	 	 	Name:	 	Patrick Latterell
	 	 	Title:	 	Managing Member
	

 	
 	

Address:	

Four Embarcadero Center

Suite 2500

San Francisco, CA 94111

	 	 	LATTERELL VENTURE PARTNERS III, L.P.
	

 	
 	

By:	
 	

Latterell Capital Management III, L.L.C.
	 	 	Its:	 	General Partner
	

 	
 	

By:	
 	

/s/ Patrick F. Latterell

	 	 	Name:	 	Patrick Latterell
	 	 	Title:	 	Managing Member
	

 	
 	

Address:	

Four Embarcadero Center

Suite 2500

San Francisco, CA 94111
	

 	
 	

LVP III PARTNERS, L.P.
	

 	
 	

By:	
 	

Latterell Capital Management III, L.L.C.
	 	 	Its:	 	General Partner
	

 	
 	

By:	
 	

/s/ Patrick F. Latterell

	 	 	Name:	 	Patrick Latterell
	 	 	Title:	 	Managing Member
	

 	
 	

Address:	

Four Embarcadero Center

Suite 2500

San Francisco, CA 94111

	 	 	ADVANCED TECHNOLOGY VENTURES VII, L.P.
	

 	
 	

By:	
 	

ATV Associates VII, L.L.C., its General Partner
	

 	
 	

By:	
 	

/s/ Michael Carusi
 Michael Carusi

Managing Director
	

 	
 	

Address:	

1000 Winter Street, Suite 3700

Waltham, MA 02451
	

 	
 	

ADVANCED TECHNOLOGY VENTURES VII (B), L.P.
	

 	
 	

By:	
 	

ATV Associates VII, L.L.C., its General Partner
	

 	
 	

By:	
 	

/s/ Michael Carusi
 Michael Carusi

Managing Director
	

 	
 	

Address:	

1000 Winter Street, Suite 3700

Waltham, MA 02451
	

 	
 	

ADVANCED TECHNOLOGY VENTURES VII (C), L.P.
	

 	
 	

By:	
 	

ATV Associates VII, L.L.C., its General Partner
	

 	
 	

By:	
 	

/s/ Michael Carusi
 Michael Carusi

Managing Director
	

 	
 	

Address:	

1000 Winter Street, Suite 3700

Waltham, MA 02451

	 	 	ATV ENTREPRENEURS VII, L.P.
	

 	
 	

By:	
 	

ATV Associates VII, L.L.C., its General Partner
	

 	
 	

By:	
 	

/s/ Michael Carusi
 Michael Carusi

Managing Director
	

 	
 	

Address:	

1000 Winter Street, Suite 3700

Waltham, MA 02451
	

 	
 	

ADVANCED TECHNOLOGY VENTURES VI, L.P.
	

 	
 	

By:	
 	

ATV Associates VI, L.L.C., its General Partner
	

 	
 	

By:	
 	

/s/ Michael Carusi
 Michael Carusi

Managing Director
	

 	
 	

Address:	

1000 Winter Street, Suite 3700

Waltham, MA 02451
	

 	
 	

ATV ENTREPRENEURS VI, L.P.
	

 	
 	

By:	
 	

ATV Associates VI, L.L.C., its General Partner
	

 	
 	

By:	
 	

/s/ Michael Carusi
 Michael Carusi

Managing Director
	

 	
 	

Address:	

1000 Winter Street, Suite 3700

Waltham, MA 02451

	 	 	WS INVESTMENT COMPANY, LLC (2006C)
	

 	
 	

By:	
 	

/s/ Casey McGlynn
 J. Casey McGlynn

Member
	

 	
 	

Address:	

650 Page Mill Road

Palo Alto, CA 94304

	 	 	INVESTOR:
	

 	
 	

By:	

/s/ Henry A. Plain, Jr.

	

 	
 	

Print Name:	

Henry A. Plain, Jr.

	

 	
 	

Title:	

Trustee

	

 	
 	

Address:	

    
    

   

   

 
 

EXHIBIT A    
    
    PRIOR INVESTORS    
    

Name of Investor

Morgenthaler Partners VI, L.P.

Latterell Venture Partners, LP

Latterell Venture Partners II, LP

Advanced Technology Ventures VII, L.P.

Advanced Technology Ventures VII, L.P.

Advanced Technology Ventures VII (B), L.P.

Advanced Technology Ventures VII (C), L.P.

ATV Entrepreneurs VII, L.P.

ATV Entrepreneurs VI, L.P.

Occam International, B.V.

oak creek investments AG

Edward R. Magargee

Donald S. Baim

WS Investment Company (WS 2004D)

WS Investment Company (WS 2005A)

Xavier Marco

Dan Dadourian

Orrick Investments 2005 LLC

C&F Investment Partners

Sachio Okamura

Jim A. Lococo

Charles G. Woodward

R. Joseph Monsen

G. Douglas Jorndt

James Dreher and Tracy Brennan, Joint Tenancy with Right of Survivorship

Scott E. and Katherine T. Grainger, husband and wife

Brian Walsh

Louis S. and Kathleen A. McKeever, Joint Tenancy with Right of Survivorship

St. Paul Venture Capital VI, LLC

Robert K. Anderson

Donald S. Baim

Brody Family Trust U/T/D/8/15/86

Vaughn D. Bryson

Erik T. Engelson Trust UDT, dated March 29, 2000

Peter Fitzgerald

oak creek investments AG

Howard M. Holstein

Jonathan W. Osgood

The Ferolyn T. Powell Living Trust UTA, dated January 29, 2001

Frederick St. Goar

Takei Unkart Family Trust, dated August 26, 1987

WS Investment Company

WS Investment Company, LLC (2002C) 

 
 

NEW INVESTORS    
    

Name of Investor

Morgenthaler
Partners VI, L.P.

Adams Street 2006 Direct Fund, L.P.

Advanced Technology Ventures VII, L.P.

Advanced Technology Ventures VI, L.P.

Advanced Technology Ventures VII (B), L.P.

Advanced Technology Ventures VII (C), L.P.

ATV Entrepreneurs VI, L.P.

ATV Entrepreneurs VII, L.P.

Latterell Venture Partners II, LP

Latterell Venture Partners, LP

St. Paul Venture Capital VI, LLC

LVP III Associates, L.P.

Latterell Venture Partners III, L.P.

LVP III Partners, L.P.

Adams Street V, L.P.

Adams Street 2006 Direct Fund L.P.

Barry S. Weinstock

Ken Rosenfield

Mark S. Toth

Christopher T. Boylan

Stephen M. Swanick

George T. Nahhas

Aaron M. Lew

Kelly Ray Vore

Dan Gregory Dadourian, M.D.

Daniel McCormick

AngioCare

WS Investment Company, LLC (2006C)

Wesley Sterman

Xavier Marco

Beatrice Marco-Barbion

Claude Marco

Venkatesh G. Ramaiah and Anita Ratan Ramaiah JTWROS

Jack L. Martin

Joseph Cardenas

G. Thomas Gibson and Carol E. Gibson Joint Tenancy with Right of Survivorship

Ellen M. Martin and Philip L. Schaadt, a married couple as community property

Jim Lococo

Farhad Khosravi & Flora Shirzad Khosravi Trust u/a/d 10/19/2004

Graham Woodward

Kevin Kotler

Sachio Okamura

Richard A. Casciaro

Robert E. Flaherty

Richard Gumer

K. Angela Macfarlane

Stefan Widensohler

Philip H. Oettinger and Trina L. Oettinger, as Community Property with Right of Survivorship (CPWROS)

Saul Family Trust

Biosensors International Group, Ltd.

R. Stefan Kiesz 

XTENT, INC.  

 FIRST AMENDMENT TO  

 THE AMENDED AND RESTATED INVESTORS' RIGHTS AGREEMENT  

        Contingent upon and effective immediately prior to the first sale of securities in connection with the initial public offering (the
"Effective Date") of XTENT, Inc., a Delaware corporation (the "Company"), this First Amendment to
the Amended and Restated Investor Rights' Agreement (the "Amendment") by and among the Company and the holders of at least sixty percent (60%) of the
Company's outstanding Registrable Securities (the "Investors") amends the Amended and Restated Investors' Rights Agreement dated May 5, 2006 (the
"Agreement"). All defined terms used in this Amendment not otherwise defined herein shall have the same meaning as set forth in the Agreement. 

        WHEREAS,
the Investors possess certain registration rights, rights of first refusal, information rights and other rights pursuant to the Agreement; 

        WHEREAS,
pursuant to Sections 3.5 and 4.2 of the Agreement, certain rights, including the rights of first refusal and information rights, of each Investor under the Agreement terminate
immediately prior to the closing of the Company's Qualified IPO; 

        WHEREAS,
pursuant to Section 1.1(m) the Agreement, "Qualified IPO" is defined as the Company's first sale of its Common Stock in a bona fide, firm commitment underwriting pursuant
to a registration statement filed with the Securities and Exchange Commission, with aggregate net proceeds to the Company of at least $60,000,000 (after deduction for underwriting discounts,
commissions and expenses, if any) and a per share price to the public of at least $9.00; and 

        WHEREAS,
the undersigned Investors desire to amend the definition of Qualified IPO of the Agreement to delete the $9.00 price per share requirement so that certain rights, including the
rights of first refusal and information rights, of each Investor, terminate immediately prior to the closing of a firm commitment underwritten offering of the Company's Common Stock with net proceeds
to the Company of at least $60,000,000. 

        NOW
THEREFORE, for good and valuable consideration, the receipt and adequacy of which are hereby acknowledged, the parties agree to amend the Agreement as follows: 

I.    Amendment.    

        A.    The
definition of Qualified IPO under Section 1.1(m) of the Agreement is hereby amended in its entirety as follows: 

"Qualified
IPO" shall mean the Company's first sale of its Common Stock in a bona fide, firm commitment underwriting pursuant to a registration statement filed with the Securities and Exchange
Commission with net proceeds to the Company of at least $60,000,000 (after deduction for underwriting discounts, commissions and expenses, if any)." 

II.    Miscellaneous.    

        A.    Governing Law.    This Amendment shall be governed by and construed and interpreted
under the laws of the State of California without reference to conflicts of law principles. 

        B.    Modification.    This Amendment may not be altered, amended or modified in any way
except by written consent of the Company and the holders of at least sixty percent (60%) of the Company's outstanding Registrable Securities. Waiver of any term or provision of this Amendment or
forbearance to enforce any term or provision by any party shall not constitute a waiver as to any subsequent breach or failure of the same term or provision or a waiver of any other term or provision
of this Amendment. 

        C.    Full Force and Effect.    Except as amended hereby, the Agreement shall remain in full
force and effect. 

        D.    Counterparts.    This Amendment may be executed in counterparts, each of which shall be
declared an original, but all of which together shall constitute one and the same instrument. 

[Remainder
of the page intentionally left blank] 

        This Amendment is executed as of the Effective Date. 

	 	 	XTENT, INC.
	

 	
 	
By:	

/s/ Gregory D. Casciaro
 Gregory D. Casciaro

President and Chief Executive Officer

	 	 	INVESTORS:
	

 	
 	
MORGENTHALER PARTNERS VI, L.P.
	

 	
 	

By:	
 	

Morgenthaler Management Partners VI, LLC,
	 	 	Its:	 	Managing Partner
	

 	
 	

By:	
 	

/s/ Robert C. Bellas, Jr.
 Robert C. Bellas, Managing Member
	 	 	Address:	2710 Sand Hill Road, Suite 100

Menlo Park, CA 94025

	 	 	ST. PAUL VENTURE CAPITAL VI, LLC
	

 	
 	

By:	
 	

SPVC Management VI, LLC
	 	 	Its:	 	Managing Member
	

 	
 	

By:	
 	

/s/ Allan R. Will
 Allan Will, Managing Director
	 	 	Address:	10400 Viking Drive, Suite 550

Eden Prairie, MN 55344

	 	 	LATTERELL VENTURE PARTNERS, L.P.
	

 	
 	

By:	
 	

Latterell Capital Management, L.L.C.
	 	 	Its:	 	General Partner
	

 	
 	

By:	
 	

/s/ Patrick F. Latterell
 Patrick Latterell, Managing Member
	 	 	Address:	Four Embarcadero Center

Suite 2500

San Francisco, CA 94111
	

 	
 	

LATTERELL VENTURE PARTNERS II, L.P.
	

 	
 	

By:	
 	

Latterell Capital Management II, L.L.C.
	 	 	Its:	 	General Partner
	

 	
 	

By:	
 	

/s/ Patrick F. Latterell
 Patrick Latterell, Managing Member
	 	 	Address:	Four Embarcadero Center

Suite 2500

San Francisco, CA 94111
	

 	
 	

LVP III ASSOCIATES, L.P.
	

 	
 	

By:	
 	

Latterell Capital Management III, L.L.C.
	 	 	Its:	 	General Partner
	

 	
 	

By:	
 	

/s/ Patrick F. Latterell
 Patrick Latterell, Managing Member
	 	 	Address:	Four Embarcadero Center

Suite 2500

San Francisco, CA 94111
	

 	
 	

LATTERELL VENTURE PARTNERS III, L.P.
	

 	
 	

By:	
 	

Latterell Capital Management III, L.L.C.
	 	 	Its:	 	General Partner
	

 	
 	

By:	
 	

/s/ Patrick F. Latterell
 Patrick Latterell, Managing Member
	 	 	Address:	Four Embarcadero Center

Suite 2500

San Francisco, CA 94111
	

 	
 	

LVP III PARTNERS, L.P.
	

 	
 	

By:	
 	

Latterell Capital Management III, L.L.C.
	 	 	Its:	 	General Partner
	

 	
 	

By:	
 	

/s/ Patrick F. Latterell
 Patrick Latterell, Managing Member
	 	 	Address:	Four Embarcadero Center

Suite 2500

San Francisco, CA 94111
	 	 	 	 	 	 

	

 	
 	

ADVANCED TECHNOLOGY VENTURES VII, L.P.
	

 	
 	

By:	
 	

ATV Associates VII, L.L.C., its General Partner
	

 	
 	

By:	
 	

/s/ Michael Carusi
 Michael Carusi, Managing Director
	 	 	Address:	1000 Winter Street, Suite 3700

Waltham, MA 02451
	

 	
 	

ADVANCED TECHNOLOGY VENTURES VII (B), L.P.
	

 	
 	

By:	
 	

ATV Associates VII, L.L.C., its General Partner
	

 	
 	

By:	
 	

/s/ Michael Carusi
 Michael Carusi, Managing Director
	 	 	Address:	1000 Winter Street, Suite 3700

Waltham, MA 02451
	

 	
 	

ADVANCED TECHNOLOGY VENTURES VII (C), L.P.
	

 	
 	

By:	
 	

ATV Associates VII, L.L.C., its General Partner
	

 	
 	

By:	
 	

/s/ Michael Carusi
 Michael Carusi, Managing Director
	 	 	Address:	1000 Winter Street, Suite 3700

Waltham, MA 02451
	

 	
 	

ATV ENTREPRENEURS VII, L.P.
	

 	
 	

By:	
 	

ATV Associates VII, L.L.C., its General Partner
	

 	
 	

By:	
 	

/s/ Michael Carusi
 Michael Carusi, Managing Director
	 	 	Address:	1000 Winter Street, Suite 3700

Waltham, MA 02451
	

 	
 	

ADVANCED TECHNOLOGY VENTURES VI, L.P.
	

 	
 	

By:	
 	

ATV Associates VI, L.L.C., its General Partner
	

 	
 	

By:	
 	

/s/ Michael Carusi
 Michael Carusi, Managing Director
	 	 	Address:	1000 Winter Street, Suite 3700

Waltham, MA 02451
	

 	
 	

ATV ENTREPRENEURS VI, L.P.
	

 	
 	

By:	
 	

ATV Associates VI, L.L.C., its General Partner
	

 	
 	

By:	
 	

/s/ Michael Carusi
 Michael Carusi, Managing Director
	 	 	Address:	1000 Winter Street, Suite 3700

Waltham, MA 02451
	 	 	 	 	 	 

	

 	
 	

ATV ALLIANCE 2002, L.P.
	

 	
 	

By:	
 	

ATV Alliance Associates, L.L.C., its General Partner
	

 	
 	

By:	
 	

/s/ Michael Carusi
 Michael Carusi, Managing Director
	 	 	Address:	1000 Winter Street, Suite 3700

Waltham, MA 02451

QuickLinks

XTENT, INC. AMENDED AND RESTATED INVESTORS' RIGHTS AGREEMENT May 5, 2006

TABLE OF CONTENTS

XTENT, INC. AMENDED AND RESTATED INVESTORS' RIGHTS AGREEMENT

RECITALS

AGREEMENT

Section 1 Definitions

Section 2 Restrictions on Transferability of Securities; Registration Rights.

Section 3 Covenants of the Company.

Section 4 Right of First Refusal.

Section 5 Miscellaneous.

EXHIBIT A PRIOR INVESTORS

NEW INVESTORSQuickLinks
 -- Click here to rapidly navigate through this document

Exhibit 10.6  

TENANT: XTENT, INC.  

 
 

LEASE    
    
    TABLE OF CONTENTS    
    

	ARTICLE
 
	 	TITLE
	 	PAGE

	1	 	Premises and Term	 	1
	

2	
 	

Rent	
 	

4
	

3	
 	

Landlord's Work—Tenant's Work	
 	

5
	

4	
 	

Streets	
 	

7
	

5	
 	

Utility Services	
 	

7
	

6	
 	

Assignment—Change of Ownership	
 	

7
	

7	
 	

Tenant's Additional Agreements	
 	

9
	

8	
 	

Use of Premises	
 	

11
	

9	
 	

Indemnity and Public Liability Insurance	
 	

11
	

10	
 	

Fire Insurance and Casualty	
 	

12
	

11	
 	

Repair	
 	

14
	

12	
 	

Fixtures & Alterations	
 	

16
	

13	
 	

Remedies	
 	

17
	

14	
 	

Bankruptcy	
 	

18
	

15	
 	

Surrender of Premises	
 	

19
	

16	
 	

Eminent Domain	
 	

19
	

17	
 	

Real Property Taxes	
 	

20
	

18	
 	

Common Area, Parking Facilities	
 	

21
	

19	
 	

Miscellaneous	
 	

22

 
 

BUSINESS PARK LEASE    
    

        THIS LEASE is made this 15th day of September, 2003, between 125 CONSTITUTION ASSOCIATES, L.P. a California limited partnership, herein referred to as "Landlord",
and XTENT, INC:, a Delaware corporation, herein referred to as "Tenant". 

WITNESSETH:  

 
  ARTICLE 1—Premises and Term    
    

        Section 1.1.    Landlord hereby leases to Tenant and Tenant hereby leases from Landlord the demised premises consisting
of approximately 14,551 rentable square feet (including Tenant's prorata share of building common areas) located on the first floor of the approximately 64,491 square foot building located at 125
Constitution Drive, Menlo Park, California (as described in Exhibit "A" and located substantially as shown on  Exhibit "B" attached hereto), upon
and subject to the terms and provisions of this Lease for a demised term of approximately Forty Two
(42) calendar months (plus any partial period prior to the commencement of the first full calendar month), commencing one (1) day after substantial completion of the Tenant Improvements
described in Article 3, as certified by Landlord and Landlord's Contractor, with all approvals and permits from the appropriate governmental
authorities required for the legal occupancy of the demised premises based on the substantial completion of the Tenant Improvements having been obtained (the "Commencement Date"), and ending on the
last day of the Forty Second (42nd) calendar month (exclusive of such partial period, if any) after such commencement. Landlord shall use commercially reasonable efforts to deliver the demised
premises to Tenant with the Tenant Improvements substantially completed on or before November 30, 2003. 

        Subject
to the following conditions, in the event Landlord has not commenced construction of the Tenant Improvements in the demised premises on or before November 1, 2003 (the
"Anticipated TI Commencement Date"), or has not substantially completed the construction of the Tenant Improvements in the demised premises on or before December 15, 2003 (the "Anticipated TI
Completion Date"), then Tenant shall have, as its sole and exclusive remedy (unless Landlord has not used its commercially reasonable efforts as required above), the one (1) time right to
terminate this Lease upon written notice given to Landlord within three (3) days after the Anticipated TI
Commencement Date or Anticipated TI Completion Date, as the case may be; provided that (i) Tenant shall submit Tenant's final Plans to Landlord for Landlord's approval on or before
August 26, 2003; and shall make any needed corrections thereto such that Landlord can submit the Plans for permits on or before August 27, 2003, (ii) once Landlord has approved
Tenant's final Plans and has submitted such Plans to the appropriate governmental agencies for permits, Tenant and Tenant's Architect shall diligently pursue all such required approvals including
immediately responding to requests and/or making modifications to the Plans as required by the appropriate governmental agencies (and including bearing the cost of an outside plan checker subject to
the allowance); and if Tenant does not submit Tenant's final Plans to Landlord for Landlord's approval on or before August 26, 2003, or make any needed corrections such that Landlord can submit
the Plans for permits on or before August 27, 2003, or if Tenant (or Tenant's Architect) does not diligently pursue all the required approvals, then the Anticipated TI Commencement and
Completion Dates shall be extended on a day for day basis by the number of days of delay caused by Tenant's failure to timely perform such obligations; (iii) Tenant's final Plans as submitted
to the appropriate governmental agencies shall not require a use permit and, if a use permit is required, Tenant shall modify the Plans within five (5) days of notice that such a use permit is
required to eliminate the need for the same; and (iv) if Tenant requests extra work and/or a change order, or if Tenant accesses the demised premises to install fixtures and equipment therein
as described below, which results in a delay in substantially completing the Tenant Improvements, then the Anticipated TI Completion Date shall be extended on a day for day basis by the number of days
of any such delay. 

        Tenant
shall have the right to access the demised premises for the purposes of installing Tenant's fixtures and equipment during the two (2) weeks prior to the Commencement Date.
From and after 

 

the
date Tenant first accesses any portion of the demised premises, all of the provisions of this Lease (other than the obligation to pay rent) shall be applicable notwithstanding that the demised
term has not yet commenced. Specifically, but without limitation, Tenant's and Landlord's obligations with respect to insurance and indemnities shall be operable as of the date Tenant accesses any
portion of the demised premises, and Tenant shall provide certificates of insurance for the insurance required of Tenant pursuant to Articles 9 and 10 of this Lease prior to accessing any
portion of the demised premises. 

        Tenant
shall indemnify Landlord and all occupants of the building of which the demised premises (the "building") is a part against any and all claims arising out of Tenant's access
and/or work or other activity in the demised premises. Tenant agrees that such access and installation of fixtures and equipment will not interfere with or delay Landlord's completion of the Tenant
Improvements and that any such delay caused by such access or installation shall not delay the commencement of the demised term or the payment of rent hereunder. 

        Section 1.2.    Provided this Lease is in full force and effect and Tenant is not, at the time of giving the notice
described below or at any time thereafter until commencement of the option term, in default under any of the terms, conditions and covenants of this Lease, and subject to the terms and conditions set
forth herein, Tenant shall be granted the option to extend the term of this Lease for one (1) consecutive period of twenty-four (24) months (the "option term") as provided
below: 

        (a)   Tenant
shall notify Landlord in writing of Tenant's exercise of the option to extend the Lease not less than six (6), nor more than nine (9), full calendar months prior
to the expiration of the initial term; 

        (b)   The
option term will commence on the day after the expiration of the initial term and shall terminate twenty-four (24) months later; 

        (c)   There
shall be no further option to extend and there shall be no Tenant Allowance; 

        (d)   The
option to extend can be exercised only by XTent, Inc. for its sole use of the demised premises and may not be transferred or assigned to any sublessee,
assignee or other party, nor may this option be exercised by XTent, Inc. for the use of the demised premises by any sublessee, assignee or party other than XTent, Inc., except for
subleases of less than fifty percent (50%) of the demised premises in the aggregate and except that the option can be transferred to a Permitted Transferee described in  Section 6.F. hereof;

        (e)   The
then current payments for additional rent shall continue to be adjusted during the option term pursuant to the provisions of this Lease; 

        (f)    The
base rent as described hereinbelow for each year of the option term shall (subject to the provisions hereof) equal ninety-five percent (95%) of the Fair
Market Rental Value (hereinafter defined). "Fair Market Rental Value" shall mean the market rent, including annual increases (if any), being charged on the first day of the option term for similar
space in buildings of comparable quality as the building in which the demised premises is situate which are located in similar areas of the Cities of Menlo Park and Palo Alto. In determining the Fair
Market Rental Value comparable transactions shall be considered, including without limitation, length of lease term, landlord and tenant inducements and rent increases, if and to the extent then a
part of market conditions. The rent on comparable leases shall be adjusted to reflect the value or cost of such inducements since neither Landlord nor Tenant shall have any obligation to pay or
perform any such inducements (except for rent increases if applicable). For purposes of the determination of Fair Market Rental Value it shall be assumed the Landlord and Tenant are each ready,
willing and able to enter into such a lease but are under no compulsion to do so. 

2

 

        Within
twenty (20) calendar days after Tenant's written notice of exercise, Tenant shall advise Landlord of its estimate of the Fair Market Rental Value for the demised premises.
Landlord, within twenty (20) calendar days thereafter, shall advise Tenant in writing of its estimate of the Fair Market Rental Value. During the next twenty (20) calendar days the
parties shall meet and confer for the purpose of agreeing upon Fair Market Rental Value. If the parties are then unable to agree, then the Fair Market Rental Value shall be determined by an appraisal
as herein set forth and the Fair Market Rental Value as so determined shall be binding upon Landlord and Tenant. Within ninety (90) calendar days after the Tenant's notice of exercise, Landlord
and Tenant shall each appoint an appraiser and notify the other patty in writing of its choice. Thereupon, the two appraisers so elected shall elect a third appraiser within thirty
(30) calendar days of their appointment, unless during such period the two appraisers shall have agreed upon a Fair Market Rental Value, or have reconciled their appraisals to within ten
percent (10%) of each other in which event the average of the two appraisals will be the Fair Market Rental Value, in which case their determination shall be final and binding. If the two appraisers
shall be unable to agree upon a third appraiser, then the Landlord and Tenant shall immediately request the Presiding Judge of the San Mateo County Superior Court to make such selection. The three
appraisers shall meet and confer for a period not to exceed sixty (60) calendar days and the determination of Fair Market Rental Value by a majority of the three shall be final and binding. In
the event that a majority cannot agree, then the third (neutral) appraiser shall direct each of the party appraisers to review their appraisals for a period of seven (7) calendar days and
return to a meeting of the three appraisers within five (5) calendar days thereafter with each respective party appraiser having indicated their final appraisal of Fair Market Rental Value in a
sealed envelope and signed by that appraiser. The third appraiser will do the same. The envelopes will be opened in the presence of the three appraisers and the Fair Market Rental Value of the party
appraiser which is closest to the Fair Market Rental Value of the third appraiser will be the final Fair Market Rental Value and binding on the parties. Each party shall bear the cost of the appraiser
selected by it and the cost of the third appraiser shall be shared equally (including all costs associated with an appointment by the Superior Court of San Mateo, if applicable, regardless of which
party filed the application). To be appointed as an appraiser the person so appointed shall hold the professional designation of MAI awarded by the American Institute of Real Estate Appraisers or such
designation as may then be the preeminent professional designation, hold any licenses which may then be required by law, and have at least five (5) years current experience appraising
commercial/light industrial properties in San Mateo County. 

        Notwithstanding
the foregoing to the contrary, in no event shall the base rent for each year of the option term be reduced below the base rent payable by Tenant for the last year (or
partial year) of the original demised term. 

        When
the base rent for the option term is determined pursuant to the above provisions, the parties shall promptly execute an amendment to this Lease stating the base rent to be paid
during the option term. In the event Tenant has retained the services of a real estate broker to represent Tenant during the negotiations of the option term, it is expressly understood that Landlord
shall have no obligation for the payment of all or any part of a real estate commission or other brokerage fee to Tenant's real estate broker in connection therewith. Tenant shall be solely
responsible for the payments of fees for services rendered to Tenant by such broker in connection with the option term. 

        Section 1.3.    The demised premises is presently occupied by an existing tenant pursuant to a lease which is in full
force and effect. Landlord represents and warrants that concurrently with or prior to the execution of this Lease, Landlord has entered into an agreement with such existing tenant to terminate such
lease effective no later than thirty (30) days after the date Landlord gives notice to terminate to the existing tenant (which notice Landlord shall provide to the existing tenant immediately
after full execution and delivery of this Lease by Landlord and Tenant). This Lease and the obligations of Tenant and Landlord hereunder are expressly conditioned upon the vacation of the demised 

3

 

premises
by the existing tenant. In the event that the existing tenant fails to surrender and vacate the demised premises on or before October 31, 2003, despite Landlord's timely notice to
vacate, Landlord shall have the right to terminate this Lease unless Tenant accepts such delay and agrees to an extension of the Anticipated TI Commencement and Completion Dates in  Section 1.1.
needed to accommodate such delay. 

 
 

ARTICLE 2—Rent    
    

        Section 2.1.    Tenant covenants and agrees to pay to Landlord without set-off, recoupment, deduction or
demand of any nature whatsoever, base rent for each year during the demised term as follows: for the first year of the demised term, the amount of One Hundred Sixty Two Thousand Three Hundred Eighty
Nine and 16/100 Dollars ($162,389.16) per annum, payable in twelve (12) equal monthly installments of Thirteen Thousand Five Hundred Thirty Two and 43/100 Dollars ($13,532.43); for the second
year of the demised term, the amount of One Hundred Sixty Seven Thousand Two Hundred Sixty and 831100 Dollars ($167,260.83) per annum, payable in twelve (12) equal monthly installments of
Thirteen Thousand Nine Hundred Thirty Eight and 40/100 Dollars ($13,938.40); for the third year during the demised term, the amount of One Hundred Seventy Two Thousand Two Hundred
Seventy Eight and 65/100 Dollars ($172,278.65) per annum, payable in twelve (12) equal monthly installments of Fourteen Thousand Three Hundred Fifty Six and 551100 Dollars ($14,356.55); and for
the remainder of the demised term the amount of One Hundred Seventy Seven Thousand Four Hundred Forty Seven Dollars ($177,447.00) per annum, payable in twelve (12) equal monthly installments of
Fourteen Thousand Seven Hundred Eighty Seven and 25/100 Dollars ($14,787.25). Base rent shall be paid monthly in advance on the first (1st) day of each calendar month. 

        Section 2.2.    For the purpose of this Lease, a year shall be twelve (12) calendar months, commencing with the
first day of the first full calendar month of the demised term and the succeeding anniversaries thereof. For any period prior to the commencement of the first year or subsequent to the end of the last
year of the demised term, rent shall be prorated on the basis of the rental rate then payable. 

        Section 2.3.    All sums payable and all statements deliverable to Landlord by Tenant under this Lease shall be paid and
delivered to 125 Constitution Associates, L.P. at Sixty 31st Avenue, San Mateo, California 94403-3497, or at such other place as Landlord may from time to time direct by notice to Tenant
and all such sums shall be paid in lawful money of the United States. 

        Section 2.4.    Upon execution of this Lease, Tenant shall pay to the Landlord the following: 

        (A)  Thirteen
Thousand Five Hundred Thirty Two and 43/100 Dollars ($13,532.43) which shall be applied by Landlord to the first base rent to become due and payable under this
Lease, and 

        (B)  Fourteen
Thousand Seven Hundred Eighty Seven and 25/100 Dollars ($14,787.25) which shall be held as a Security Deposit pursuant to the terms of  Section 19.9.

        Section 2.5.    In addition to base rent under Section 2.1., all
other payments to be made under this Lease by Tenant to Landlord shall be deemed to be and shall become additional rent hereunder, whether or not the same to be designated as such, and shall be
included in the term "rent" wherever used in this Lease; and, unless another time shall be expressly provided for the payment thereof, all rent and additional rent shall be due and payable together
with the next succeeding installment of base rent; and Landlord shall have the same remedies for failure to pay the same as for a nonpayment of base rent. 

        Section 2.6.    Any amount due from Tenant to Landlord that is not paid when due shall bear interest at the lesser of
eight percent (8%) or the highest rate then permitted to be charged on late payments under leases under California law; provided, however, the payment of any such interest shall 

4

 

not
excuse or cure the default upon which such interest accrued. Tenant acknowledges and agrees that payment of such interest on late payments is reasonable compensation to Landlord for the additional
costs incurred by Landlord caused by such late payment, including, but not limited to, collection and administration expenses and the loss of the use of the money that was late in payment. 

 
 

ARTICLE 3—Landlord's Work—Tenant's Work    
    

        Section 3.1.    Landlord shall provide certain leasehold improvements ("Tenant Improvements") to be made to the demised
premises. The plans and specifications for the Tenant Improvements (the "Plans") have been prepared under the direction of Vitae (the "Architect") and have been approved by Landlord and Tenant and
made a part hereof as Exhibit C. Landlord shall contribute toward the cost of the Tenant Improvements the lesser of (i) the actual cost of the Tenant Improvements, or (ii) One
Hundred Seventy Four Thousand Six Hundred Twelve Dollars ($174,612.00). To the extent the cost of the Tenant Improvements exceeds $174,612.00, pursuant to the preceding sentences, Tenant shall
reimburse Landlord such excess within fifteen (15) days following invoicing by Landlord to Tenant for the portion of the work in excess of $174,612.00 completed in accordance with invoices paid
by Landlord for such work; provided that if the excess is estimated to exceed the amount of Twenty Five Thousand Dollars ($25,000.00). Tenant shall pay such amount to Landlord prior to the
commencement of construction with a final reconciliation being made within fifteen (15) days following the completion of construction. 

        Immediately
following approval of the Plans, Landlord shall apply for all requisite building permits and approvals for construction of the Tenant Improvements in accordance with the
Plans. The contractor selected to perform the Tenant Improvements is W. L. Butler (the "Contractor"). Promptly following issuance of building permits, or on such earlier date permitted
under law (e.g., demolition work), Landlord shall cause the Contractor to commence construction of the Tenant Improvements and diligently prosecute the same to completion in a good and workmanlike
manner in accordance with the Plans and in accordance with applicable laws, including the Americans with Disabilities Act ("ADA"). 

        Neither
party shall have the right to require extra work or change orders with respect to the construction of the Tenant Improvements without the prior written consent of the other,
which consent shall not be unreasonably withheld or delayed. All change orders shall specify any change in the cost as a consequence of the change order. The commencement of Tenant's obligation to pay
rent pursuant to the terms of this Lease shall not be delayed as a result of extra work or a change order requested by Tenant. 

5

   
        As used in this Section 3.1., the cost of providing the Tenant Improvements shall include all soft costs, including without
limitation, architect's fees, fees for permits, consulting engineer fees, contractor fees, inspection fees, fees for testing services and fees for processing and completing changes to the Plans, in
addition to actual hard costs of construction. Landlord agrees that it shall not charge any supervision fee or registration fee for Landlord's or its construction manager's time spent in supervising
or monitoring the construction of the Tenant Improvements. In addition, the cost of the Tenant Improvements shall not include and Landlord shall be solely responsible for (and Tenant shall have no
responsibility for, and the Tenant Improvement allowance described above shall not be used towards) the following: (a) costs attributable to improvements installed outside the demising walls of
the demised premises unless such are part of the Tenant Improvements; (b) costs for improvements which are not shown on or described in the Plans unless otherwise approved by Tenant;
(c) costs incurred to remove hazardous materials or substances from the demised premises or the surrounding area; (d) interest and other costs of financing construction costs;
(e) costs recoverable by Landlord upon account of warranties and insurance; (f) the premium for Landlord's builder's risk insurance; (g) restoration costs in excess of insurance
proceeds as a consequence of casualties, provided that the deductible (not to exceed $10,000.00) applicable to any casualty shall be included as part of the Tenant Improvements; and (h) wages,
labor and overhead for overtime and premium time (unless approved by Tenant). 

        Notwithstanding
anything in this Lease to the contrary, Landlord shall (at its cost) be responsible for improvement work required to be performed in or on the exterior of the building,
the Common Areas, the Parking Facilities, the structural portions of the building or portions of the building outside of the demised premises (i) to satisfy requirements of the Americans with
Disabilities Act ("ADA") and (ii) to satisfy requirements of applicable laws, rules, codes and regulations applicable to such areas generally because of construction work being performed in the
building (and not specifically in connection with or required as part of the Tenant Improvements due to the particular nature thereof); and Tenant (at its cost or as part of the Tenant Improvement
allowance) shall be responsible for the cost of improvement work (i) in the interior of the demised premises required to be performed in connection with the Tenant Improvements to satisfy
requirements of applicable laws, rules, codes and regulations (including the ADA), and (ii) in or on the exterior of the building, the Common Areas, the Parking Facilities, the structural
portions of the building or portions of the building outside the demised premises, to satisfy requirements of applicable laws, rules, codes and regulations triggered specifically in connection with,
or required as part of, the Tenant Improvements due to the particular nature thereof. 

        Notwithstanding
anything in this Lease to the contrary, Landlord shall (at its cost) replace the 20-ton air conditioning unit No. 5 ("A/C #5 Unit") serving the first
floor of the building and, in the event Tenant exercises its option to lease the expansion space as provided in Section 19.21, the
15-ton air conditioning unit No. 6 ("A/C #6 Unit") serving the second floor of the building. Landlord shall use reasonable business efforts to replace the A/C #5 Unit prior to the
Commencement Date and, if Tenant exercises its option to lease the expansion space, the A/C #6 Unit prior to delivery of possession of the expansion space to Tenant with the Tenant Improvements
completed (in both instances, subject to Unavoidable Delays). Notwithstanding anything in this Lease to the contrary, no delay in the completion of the replacement of the A/C #5 Unit (or the A/C #6
Unit, if at all) shall delay the commencement of rent as to the demised premises or the expansion space, as the case may be. If Landlord does not replace the A/C #5 Unit prior to the Commencement Date
or the A/C #6 Unit (if at all) prior to delivery of possession of the expansion space to Tenant with the Tenant Improvements completed, then Landlord shall replace such Unit(s) at a time which will
cause the least amount of disruption to Tenant's business in the demised premises (i.e., on the weekend or before 8:00 am or after 6:00 pm). 

        Except
for the work described in this Section 3.1., and except as provided in  Section 11.5 below, Tenant, upon substantial completion of such work as
reasonably certified by the Architect, shall accept the demised premises
in an "as is" condition subject to the punch list items described in the following 

6

 

sentence.
Tenant shall, within thirty (30) days of certification by Landlord and Landlord's Contractor that the Tenant Improvements are substantially complete, notify Landlord and Contractor of
any items of work that are defective or incomplete. Landlord shall thereafter diligently pursue on Tenant's behalf the correction or completion of said items. 

        Section 3.2.    Any subsequent alterations, additions or improvements may be made pursuant to the provisions of  Article 12 herein. 

ARTICLE 4—Streets  

        Section 4.1.    Tenant agrees to require employees, and to direct customers and other persons visiting Tenant, to park in
the parking area provided in the Common Area (Article 18) as designated from time to time by Landlord and to allow Landlord to post the streets
for no parking. 

ARTICLE 5—Utility Services  

        Section 5.1.    Landlord has at its own cost and expense secured the installation of water, gas, sanitary sewers and
electrical services to the demised premises and made all necessary connections thereof to the building. Tenant shall pay all meter or service charges made by public utilities companies and shall pay
for the water, gas and/or electricity used on the demised premises, and sewer use fees and charges whether ad valorum or not and any so called "sewer connection charges" based on increased
wastewater discharge from the demised premises. Landlord shall (subject to reimbursement pursuant to Article 11) maintain such connections of
utilities to the building. 

        Section 5.2.    Landlord shall not be liable to Tenant for the failure of any utility services except to the extent
caused by the negligence or willful misconduct of Landlord or its agents or contractors. If there is any interruption, failure, stoppage or interference of the utilities or services to the demised
premises under the Lease as a direct result of (i) Landlord's negligence or willful misconduct; or (ii) damage to the system supplying such utilities or services and if, and to the
extent, Landlord is entitled to make a claim under its casualty insurance for rental loss, and if such interruption continues for three (3) consecutive calendar days; then Tenant shall be
entitled to an equitable abatement of rent to the extent of the interference with Tenant's use of the demised premises occasioned thereby. 

ARTICLE 6—Assignment—Change of Ownership  

 Section 6.1.  

        A.    Except
as otherwise provided herein, Tenant shall not, by operation of law or otherwise, transfer, assign, sublet, license, mortgage or hypothecate this Lease or the
Tenant's interest in and to the demised premises without first procuring the written consent of Landlord, which consent shall not be unreasonably withheld. Any attempted transfer, assignment,
subletting, license, mortgage or hypothecation without Landlord's written consent shall be void and confer no rights upon any third person. Nothing herein contained shall relieve Tenant from its
covenants and obligations for the demised term. Tenant agrees to reimburse Landlord for Landlord's reasonable outside attorneys' fees incurred in conjunction with the processing and documentation of
any such requested transfer, assignment, subletting, licensing, mortgage or hypothecation of this Lease or Tenant's interest in and to the demised premises (not to exceed $2,000.00 in the aggregate
per request for consent). If Landlord consents to any assignment or sublease pursuant to this Article, Tenant shall pay Landlord, as additional rent: 

        (a)   in
the case of each and every assignment, an amount equal to one-half (1/2) of all monies, property, and other consideration of every kind
whatsoever paid or payable to Tenant by the assignee for such assignment and for all property of Tenant transferred to the assignee as part of the transaction (including, but not limited to, fixtures,
other leasehold improvements, furniture, 

7

 

equipment,
and furnishings, but only to the extent such consideration exceeds the fair market value thereof), after subtracting all costs in connection with such assignment set forth in clauses (ii),
(iii) and (iv) of subparagraph (b) below; and 

        (b)   in
the case of each and every sublease, one-half (1/2) of the amount by which all rent and/or other monies, property and consideration of
every kind whatsoever paid or payable to Tenant by the subtenant under the sublease applicable to the leasehold interest (or other property in excess of the fair market value thereof), exceeds the sum
of: 

        (i)    all
base rent and additional rent under this Lease accruing during the term of the sublease in respect of the subleased space (as reasonably determined by Landlord,
taking into account the useable area of the premises demised under the sublease); plus 

        (ii)   commissions
actually paid by Tenant to procure the sublease to an independent third party licensed real estate broker, amortized over the term of the sublease,
commencing with the date on which the sublease term commences; plus 

        (iii)  third
party attorneys' fees in connection with such sublease; plus 

        (iv)  the
actual cost of leasehold improvements undertaken by Tenant (subject to Landlord's prior written consent) solely to prepare the sublease space for the subtenant,
amortized over the period of the term of the sublease, commencing with the date on which the sublease commences. 

        B.    Each
transfer, assignment, subletting, license, mortgage and hypothecation to which there has been consent shall be by an instrument in writing in form satisfactory to
Landlord, and shall be executed by the transferor, assignor, sublessor, licensor, concessionaire, hypothecator or mortgagor and the transferee, assignee, sublessee, licensee, or mortgagee in each
instance, as the case may be; and each transferee, assignee, sublessee, licensee, concessionaire or mortgagee shall agree in writing for the benefit of Landlord herein to assume, to be bound by, and
to perform the terms, covenants and conditions of this Lease to be done, kept and performed by Tenant for the applicable space and term, including the payment of all amounts due or to become due under
this Lease directly to Landlord. One (1) executed copy of such written instrument shall be delivered to Landlord. Failure to first obtain in writing Landlord's consent or failure to comply with
the provisions of this Article shall operate to prevent any such transfer, assignment, subletting, license, mortgage, or hypothecation from becoming effective. 

        C.    Intentionally
Deleted. 

        D.    Landlord's
rights to assign this Lease are and shall remain unqualified. Upon any sale of the demised premises and provided the purchaser assumes all obligations under
this Lease, Landlord shall thereupon be entirely released of all obligations of Landlord hereunder accruing thereafter and shall not be subject to any liability accruing after such sale. 

        E.    The
consent of Landlord to any transfer, assignment, sublease, license, mortgage or hypothecation of this Lease is not and shall not operate as a consent to any future or
further transfer, assignment, sublease, license, mortgage or hypothecation. 

        F.     Notwithstanding
anything to the contrary herein, Tenant may, without Landlord's prior written consent, sublet the demised premises or assign the Lease to a Permitted
Transferee under the conditions contained herein. For the purposes hereof, a Permitted Transferee is defined as: (a) the parent corporation of Tenant; or (b) a subsidiary or affiliate of
Tenant; or (c) any successor entity which results from a merger or consolidation (provided the net worth of the surviving entity is at least equal to the net worth of Tenant just prior to such
merger or consolidation or the amount of Five Million Dollars ($5,000,000), whichever is greater; and further provided that all of the assets then held by Tenant remain or become assets of the
surviving entity); or (d) a purchaser of all or substantially all of 

8

 

Tenant's
assets or stock as a going concern. Any such Permitted Transferee shall agree in writing, in form satisfactory to Landlord, to assume, to be bound by, and to perform the terms, covenants and
conditions of this Lease to be done, kept and performed by Tenant, including the payment of all amounts due or to become due under this Lease directly to Landlord, without any modification of this
Lease. Tenant shall provide Landlord with the following no later than ten (10) days prior to the effective date of the proposed transfer; (i) the name and address of the Permitted
Transferee, and (ii) a copy of the proposed sublet or assignment agreement, and (iii) such reasonable information as may be requested by Landlord to substantiate that the proposed
assignee or sublessee qualifies as a Permitted Transferee under the definition set forth hereinabove. Failure of Tenant to so provide Landlord with such information or a copy of the written instrument
effecting the proposed sublease or assignment shall operate to prevent any such sublease or assignment from becoming effective and any such transaction shall be null and void. Nothing herein contained
shall be construed as releasing Tenant from any of its liabilities or other obligations hereunder, including the payment of rent: 

        None
of the transactions permitted under this Section 6.F. shall require the consent of Landlord but Tenant shall notify Landlord
in writing of the same as provided hereinabove. 

ARTICLE 7—Tenant's Additional Agreements  

        Section 7.1.    Tenant agrees at all times during the demised term to: (A) Keep the demised premises in a neat and
clean condition. (B) Promptly remove all waste, garbage or refuse from the demised premises. (C) Subject to Section 3.1., promptly
comply with all laws and ordinances and all rules and regulations of duly constituted governmental authorities affecting the demised premises, and the cleanliness, safety, use and occupation thereof,
but this clause (C) shall not be construed to require Tenant to comply with any such laws, ordinances, rules or regulations which require building-wide alterations or improvements
required by code unless the same are made necessary by act or work performed by Tenant (other than the Tenant Improvements) or the nature of Tenant's business, in which event Tenant shall comply with
the same as respects the demised premises. (D) Prevent the escape from the demised premises of all fumes, odors and other substances which are offensive or may constitute a nuisance or
interfere with other tenants. 

        Section 7.2.    Tenant agrees that it will not at any time during the demised term without first obtaining the Landlord's
written consent: (A) Conduct or permit any fire, bankruptcy or auction sale in the demised premises. (B) Place on the exterior walls (including both interior and exterior surfaces of
windows and doors), the roof of any buildings or any other part of the demised premises, any sign, symbol, advertisement, neon light, other light or other object or thing visible to public view
outside of the demised premises. (C) Change the exterior color of the demised premises or of the building in which the same are situate, or any part thereof, or the color, size, location or
composition of any sign, symbol or advertisement that may have been approved by Landlord. (D) Park, operate, load or unload, any truck or other delivery vehicle on any place other than the
loading area designated for Tenant's use. (E) Use the plumbing facilities for any purpose other than that for which they were constructed or dispose of any foreign substance therein.
(F) Install any exterior lighting or plumbing facilities, shades or awnings, amplifiers or similar devices, or use any advertising medium which may be heard or experienced outside the demised
premises, such as loudspeakers, phonographs, or radio broadcasts. (G) Deface any portion of the building or improvements in which the demised premises are located, normal usage excepted. In the
event any portion of the building is defaced or damaged, Tenant agrees to repair such damage. (H) Permit any rubbish or garbage to accumulate on the demised premises, or any part thereof,
unless confined in metal containers so located as not to be visible to members of the public. (I) Install, maintain or operate any sign except as approved in writing by Landlord. Landlord shall
allow Tenant to install, at Tenant's election and at Tenant's expense, Tenant's signage on a new monument sign for the building (which monument Landlord will, at Tenant's election, promptly construct
subject to reimbursement by Tenant of Tenant's prorata share of such monument sign) and 

9

 

Tenant's
identification signage (i.e., name and logo) to replace the currently existing building signage for the demised premises, subject to Landlord's approval, in Landlord's reasonable discretion,
as to the size, type, installation procedure and location of the sign, and subject to approval by the City of Menlo Park, California, and provided that at the expiration or sooner termination of this
Lease, at Landlord's election, Tenant shall, at Tenant's sole cost and expense, remove such signage and repair any damage caused by such removal. (J) Store materials, supplies, equipment,
finished products, raw materials or articles of any nature outside of the demised premises. (K) Use the demised premises for retail, commercial or residential purposes. (L) Use, store,
generate or dispose of any "hazardous material", "hazardous substance" or "hazardous waste" as those terms are defined from time to time under applicable laws and regulations, except that Tenant may
use and store in the demised premises and dispose (off premises) small quantities of the same reasonably necessary for the operation of Tenant's business. 

        Section 7.3.    Tenant agrees that it will not at any time during the demised term: (A) Perform any act or carry
on any practice which may injure the demised premises. (B) Burn anything in or about the demised premises. (C) Keep or display any merchandise or other object on or otherwise obstruct
any sidewalks, walkways or areaways. (D) Use or permit the use of any portion of the demised premises as living quarters, sleeping apartments, lodging rooms, or for any unlawful purpose.
(E) Use or permit the demised premises to be used for any purpose which is or shall not then be allowed under the Zoning Ordinance of the City of Menlo Park, California, in that area. 

        Section 7.4.    Tenant shall, at its expense, comply with all applicable laws, regulations, rules and orders governing
the operation of Tenant's business operations, regardless of when they become or became
effective, including, without limitation, those relating to health, safety, noise, environmental protection, waste disposal, and water and air quality, and furnish satisfactory evidence of such
compliance upon request of Landlord. 

        Should
Tenant or Tenant's employees, agents, representatives or contractors discharge, leak, spill or emit any hazardous materials upon or from the demised premises, Tenant, at its
expense, shall be obligated to remedy the same to the satisfaction of Landlord and any governmental body having jurisdiction thereover. Tenant agrees to indemnify, hold harmless, and defend Landlord
against all liability, cost, and expense (including without limitation any fines, penalties, judgments, litigation costs, and attorneys' fees) incurred by Landlord as a result of Tenant's breach of
this section, or as a result of any such discharge, leakage, spillage, or emission, regardless of whether such liability, cost, or expense arises during or after the demised term. 

        Tenant
shall pay all amounts due Landlord under this section, as additional rent, within ten (10) days after any such amounts become due. 

        To
the extent required by law, Tenant shall, at least thirty (30) days prior to the termination of the demised term, or any earlier termination of this Lease, submit a plan to the
Menlo Park Fire Protection District in accordance with applicable provisions of the Uniform Fire Code, with a copy to Landlord, demonstrating how any hazardous materials which were stored, dispensed,
handled or used in, at or upon the demised premises will be transported, disposed of or reused at the expiration or sooner termination of the demised term of this Lease; and Tenant shall, at the
expiration or sooner termination of the demised term, comply with all applicable laws, regulations, rules and orders of any governmental body having jurisdiction thereover (including without
limitation the Menlo Park Fire Protection District) regarding the disposal of any such hazardous materials. 

        Tenant's
obligations under this Section 7.4. shall survive the expiration or earlier termination of this Lease, including without
limitation any termination resulting from any default by Tenant under the Lease. 

10

 

        Notwithstanding
any provision to the contrary in this Lease, Tenant shall not be liable for (through reimbursements under the Lease or otherwise), and Landlord shall indemnify, defend,
protect and hold harmless Tenant, its agents, stockholders, directors, successors, representatives, and assigns from and against, all losses, costs, claims, liabilities and damages (including
reasonable attorneys' fees) arising out of or in connection with any hazardous material present prior to the Commencement Date in, on or about the building or the soil, improvements, groundwater or
surface water thereof, except to the extent that any of the foregoing results from the release or emission of hazardous materials by Tenant or Tenant's agents, employees, servants, contractors or
invitees. Landlord represents to Tenant that, except as disclosed in any environmental reports provided to Tenant, Landlord has no knowledge of
any hazardous materials located on, about or under the demised premises, the Common Areas or the Parking Facilities. With respect to any hazardous materials found in the demised premises after the
Commencement Date not released by Tenant or Tenant's employees, agents, representatives or contractors, the parties agree that as between Landlord and Tenant, Tenant shall not be responsible for
losses, costs or liability in connection therewith. 

        Landlord's
obligations under this Section 7.4 shall survive the expiration or earlier termination of this Lease. 

ARTICLE 8—Use of Premises  

        Section 8.1.    Tenant shall use the demised premises solely for office, research and development, non-retail
sales and light assembly and storage, and for no other purposes without Landlord's written consent, which consent shall not be unreasonably withheld. 

ARTICLE 9—Indemnity and Public Liability Insurance  

        Section 9.1.    Except to the extent caused by the negligence or willful misconduct of Landlord or its agents or
contractors or a breach of the Lease by Landlord, Tenant agrees to indemnify and save harmless Landlord from and against all claims arising from any negligence, willful misconduct or breach of Lease
of Tenant, or its contractors, licensees, agents, servants, invitees or employees, or arising from any accident, injury or damage whatsoever caused to any person, or to the property of any person
occurring during the demised term in or about the demised premises and from and against all costs, expenses and liabilities incurred in or in connection with any such claim or proceeding brought
thereon, including, but not limited to, reasonable attorneys' fees and court costs. 

        Section 9.2.    Tenant agrees to maintain in full force during the demised term a policy of commercial general liability
insurance under which Landlord and such other persons, firms or corporations as are designated by Landlord and are properly includible as additional insureds under the terms of any such policies of
insurance are named as additional insureds. Such commercial general liability policy shall contain a provision that Landlord, although named as an additional insured, shall nevertheless be entitled to
recovery under said policies for any loss occasioned to it, its servants, agents and employees, by reason of the negligence of Tenant. Each such policy shall be approved as to form and insurance
company by Landlord, such approval not to be unreasonably withheld, be noncancelable with respect to the Landlord and Landlord's said designees without twenty (20) days' written notice to the
Landlord and Landlord's said designees, and a certificate thereof shall be delivered to Landlord prior to
commencement of the demised term and thereafter thirty (30) days prior to expiration of the term of each policy. The limits of liability of such comprehensive general liability insurance shall
be Two Million Dollars ($2,000,000.00) for injury or death to one or more persons and damage to property, combined single limit. All public liability, property damage and other casualty policies shall
be written as primary policies, not contributing with and not in excess of coverage which Landlord may carry. 

11

   
        If Tenant shall not comply with its covenants to maintain insurance made above, or if Tenant fails to provide certificates thereof to Landlord as is provided above, Landlord may, but
shall not be required to, obtain any such insurance and, if Landlord does obtain any such insurance, Tenant shall, on demand, reimburse Landlord for the premium for any such insurance. 

        Section 9.3.    Tenant agrees to use and occupy the demised premises and to use all other portions of the Business Park
(which it is herein given the right to use) at its own risk and hereby releases to the full extent permitted by law, the Landlord, its agents, servants, contractors, and employees from all claims and
demands of every kind resulting from any accident, damage or injury occurring therein, except to the extent caused by the negligence or willful misconduct of Landlord or its agents or contractors or a
breach of the Lease by Landlord. Landlord shall have no responsibility or liability for any loss of, or damage to, fixtures or other personal property of Tenant. The provisions of this Section shall
apply during the whole of the demised term. 

ARTICLE 10—Fire Insurance and Casualty  

        Section 10.1.    If the demised premises should be damaged or destroyed during the demised term by any casualty insured
under Landlord's property insurance policies, Landlord shall (except as hereinafter provided), repair and/or rebuild the same to substantially the condition in which the same existed immediately prior
to such damage or destruction. Landlord's obligation under this Section shall in no event exceed either (A) the scope of the work done by Landlord in the original construction of such building
(including, however, the Tenant Improvements), or (B) the proceeds of any such insurance policy if Landlord keeps the building and the demised premises insured against loss or damage by fire
and extended coverage insurance to the extent of at least one hundred percent (100%) (excluding any deductible not exceeding $10,000.00) of the insurable value of the building if reasonably obtainable
from responsible insurance companies licensed to do business in California, unless Landlord nevertheless elects to repair and/or rebuild the building and the demised premises. Landlord shall not be
responsible for replacing or repairing any exterior signs, trade fixtures, equipment, display cases, or any installations originally installed by the Tenant. Tenant shall have no interest in the
proceeds of any insurance carried by Landlord. In the event of any casualty, Tenant shall reimburse Landlord for the deductible, or portion thereof, applicable to such casualty (not to exceed
$10,000.00). 

        Section 10.2.    Tenant's base rent shall be abated proportionately during any period in which, by reason of any such
damage or destruction, the demised premises is rendered partially or totally untenantable. Such abatement shall continue for the period commencing with such destruction or damage and ending
with the substantial completion by the Landlord of such work or repair and/or reconstruction as Landlord is obligated to do. 

        Section 10.3.    If the building should be damaged or destroyed to the extent of thirty three and one-third
percent (331/3%) or more of the then monetary value thereof by an event described in Section 10.1., then Landlord may terminate
this Lease by written notice to Tenant. 

        If
the demised premises should be damaged from any cause (excluding Tenant's willful misconduct) and the time needed to repair and/or rebuild the same is reasonably estimated by Landlord
to exceed two hundred seventy (270) days, then Tenant may terminate this Lease by written notice to Landlord as follows: 

        Landlord
shall notify Tenant within thirty (30) days following any damage to or destruction of the demised premises of the length of time Landlord reasonably estimates to be
necessary for repair or restoration of the demised premises. Tenant shall have the right to terminate the Lease within fifteen (15) days following receipt of such notice if restoration or
repair of the demised premises is estimated by Landlord to take more than two hundred seventy (270) days from the date Landlord receives permits for such restoration or repair. Tenant shall
have the additional right to terminate the Lease if 

12

 

restoration
or repair in fact takes longer (subject to unavoidable delay or delays caused by Tenant) than 270 days from the date Landlord received permits for such restoration or repair and
Tenant notifies Landlord of its intention to terminate the Lease before the date that restoration and repair is actually completed. 

        If
neither Landlord or Tenant elects to terminate this Lease then Landlord shall repair and/or rebuild the same as provided hereunder. If such damage or destruction occurs and this Lease
is not so terminated, this Lease shall remain in full force and effect and the parties waive the provisions of any law to the contrary. The Landlord's obligation under this Section shall in no event
exceed the scope of the work to be done by the Landlord in the original construction of said building and the demised premises (but including the Tenant Improvements). 

        Section 10.4.    Tenant agrees to comply with all of the regulations and rules of the Insurance Service Office or any
similar body and will not do, suffer, or permit an act to be done in or about the demised premises which will increase any insurance rate with respect thereto. 

        Section 10.5.    Tenant agrees, in addition to any rent provided for herein, to pay to the Landlord the cost of the fire
and extended coverage insurance policy carried by Landlord on the demised premises during the entire demised term or any renewal or extension thereof. Landlord shall carry standard fire and
extended coverage policies in the amount of one hundred percent (100%) (excluding any deductible not exceeding $10,000.00) of the insurable value of the building. 

        Section 10.6.    During the demised term, Tenant shall carry, at its expense, insurance against loss and damage by fire
including "Special Perils" provisions for the full insurable value of Tenant's merchandise and personal property, including wall coverings, carpeting and drapes, and the trade fixtures, furnishings
and operating equipment in the demised premises, whether supplied by Tenant or existing in the demised premises upon commencement of the Lease. A certificate evidencing such coverage shall be
delivered to Landlord prior to commencement of the demised term and thereafter thirty (30) days prior to the expiration of the term of such policy. If Tenant shall not comply with its covenants
to maintain said insurance, or if Tenant fails to provide a certificate thereof to Landlord, Landlord may, but shall not be required to, obtain any such insurance, and if Landlord does obtain any such
insurance, Tenant shall, on demand, reimburse Landlord for the premium for any such insurance. 

        Section 10.7.    In the event the demised premises or the building shall be damaged as a result of any flood, earthquake,
act of war, nuclear reaction, nuclear radiation or radioactive contamination, or from any other casualty not covered by Landlord's property insurance, to any extent whatsoever, Landlord may, within
ninety (90) days following the date of such damage, commence repair, reconstruction or restoration of the demised premises or the building and prosecute the same diligently to completion, in
which event this Lease shall continue in full force and effect, or within said ninety (90) day period elect not to so repair, reconstruct or restore the demised premises or the building (unless
Tenant elects to pay the shortfall and waives any right to terminate the Lease under Section 10.3., in which event Landlord may not elect not to
so repair, reconstruct or restore), in which event this Lease shall cease and terminate. In either such event Landlord shall give Tenant written notice of its intention within said
ninety-day period. 

        Section 10.8.    Upon any termination of this Lease under the provisions of this  Article 10, the rent shall be adjusted as of the date of such termination and the parties shall be released without further obligation to the
other party upon the surrender of possession of the demised premises to Landlord, except for items that have been theretofore accrued and are then unpaid, and except for obligations that are
designated as surviving such termination. 

        Section 10.9.    Landlord may maintain any commercially reasonable insurance on the demised premises that Landlord deems
necessary or advisable, including, but not limited to, any rental 

13

 

insurance,
Landlord's protective liability insurance or any insurance required by any mortgagee of Landlord; and Landlord may include the amount of the premiums for such insurance in the total of the
insurance premiums which Tenant is required to pay its prorata share under the terms hereof (provided, however, such insurance premiums shall not include earthquake insurance premiums to the extent
they exceed three (3) times the cost of standard fire and extended coverage insurance premiums). 

        Section 10.10.    Notwithstanding anything to the contrary in this Lease, the parties hereto release each other and their
respective agents, employees, successors and assigns from all liability for damage to any property that is actually covered by property insurance in force or which would normally be covered by full
replacement value fire and extended coverage insurance, without regard to the negligence or willful misconduct of the entity so released. Each patty shall cause each insurance policy it obtains to
include a waiver of subrogation regarding the liabilities released hereby. 

ARTICLE 11—Repair  

        Section 11.1.    Landlord agrees, at Landlord's sole expense and without right of reimbursement, to repair the structural
portions of the building of which the demised premises is a part (including, without limitation, the foundation, the structural roof and exterior walls) throughout the life of the Lease. Structural
repair and maintenance shall not be deemed to include immaterial cracks or fissures in walls or floors, nor the requirement of painting or caulking. 

        Section 11.2.    Tenant agrees during the demised term or any extension thereof to maintain the demised premises, and
every part thereof, except as to work to be performed by Landlord under Sections 11.1., 11.3. and  11.5. Tenant further agrees to clean the inside of all of the glass on the exterior of the demised premises. If Tenant should fail to faithfully perform
its maintenance obligations hereunder then Landlord shall, upon having given notice to Tenant of such failure and the passage of the applicable cure periods under the Lease, have the right to perform,
or cause to be performed, said maintenance and Tenant shall on demand reimburse Landlord for Landlord's costs of providing such maintenance. Landlord's reservation of the right to enter upon the
demised premises to perform any repairs or maintenance or other work in, to, or about the demised premises which in the first instance is the Tenant's obligation pursuant to this Lease shall not be
deemed to impose any obligation on Landlord to do so, nor shall Landlord be rendered liable to Tenant or any third party for the failure to do so, and Tenant shall not be relieved from any obligation
to indemnify Landlord as otherwise provided elsewhere in this Lease. 

        Section 11.3.    Landlord shall provide the following services for the building of which the demised premises is a part
and Tenant shall, in addition to all other payments required to be made under other provisions of this Lease, on demand reimburse Landlord (except for costs incurred by Landlord under  Sections 11.1 or
11.5, which costs shall be at Landlord's sole cost and expense) for Tenant's prorata
share of Landlord's gross costs of: (i) maintaining, repairing and replacing the non-structural portions of the roof and the roof membrane; (ii) painting the exterior of the
building; (iii) maintenance and repair associated with the mechanical and electrical rooms; (iv) maintenance and repair of the trash enclosure utilized in connection with the building;
(v) maintenance and repair of connections of utilities to the building to the extent they serve the demised premises and other portions of the building, (vi) maintenance, repair and
replacement of the heating and air conditioning equipment to the extent they serve the demised premises and other portions of the building, whether furnished by Landlord or Tenant, and
(vii) any other maintenance and repair other than that which Landlord is required to perform at Landlord's expense per Section 11.1. or  11.5.
Tenant's prorata share of Landlord's gross costs of maintenance, repair and/or replacement mentioned in this Section (except for costs associated
with maintenance, repair or replacement of items exclusively serving the demised premises, all of which costs Tenant shall reimburse Landlord) shall be that portion of the whole which the floor area
of the 

14

 

demised
premises bears to the floor area of the building of which the demised premises is a part (i.e., currently 23%). Tenant shall also, on demand, reimburse Landlord for all of Landlord's gross
costs of (i) maintaining, repairing and replacing the heating and air conditioning equipment to the extent they serve the demised premises exclusively, whether furnished by Landlord or Tenant,
and (ii) exterior cleaning, and the maintenance, repair and replacement of, the exterior glass in the demised premises, and (iii) maintenance and repair of connections of utilities to
the building to the extent they serve the demised premises exclusively. Landlord's said gross costs as used in this Section 11.3. shall include
all costs and expenses of every kind or nature incurred by Landlord in the performance of such maintenance, repair or replacements. 

        Section 11.4.    If during the term of this Lease Landlord or Landlord's insurance carrier requires the installation of
any fire detection device, because of the nature of the particular activities being carried on by Tenant in the demised premises, then said system or device shall be installed at the sole cost of the
Tenant within the time specified. 

        Section 11.5.    Landlord agrees that it will deliver the demised premises to Tenant in good condition with
(i) subject to Section 3.1., the exterior and structural portions of the building in compliance with all laws, rules, codes and
regulations existing at the time of construction thereof, and (ii) the electrical, HVAC and plumbing systems serving the demised premises in good working order and the roof of the building in
good repair. In the event of any breach of said promise, Landlord shall promptly rectify the same at its sole cost and expense. 

        Section 11.6.    Notwithstanding the provisions of Sections 11.3. and  18.3 hereof to the contrary, Tenant's obligation to reimburse Landlord for (i) costs associated with the replacement (as opposed to repairs and
maintenance) of the roof membrane and underlayment (subject to the provisions of Section 11.7. hereof) and the heating, ventilating and
air-conditioning units furnished by Landlord, or
(ii) costs of the repair or maintenance of any of the foregoing and costs incurred pursuant to Section 18.3. where each individual
expenditure exceeds $10,000.00 (herein, "capital costs"), (iii) costs associated with the replacement (as opposed to repairs and maintenance) of the parking facilities, and (iv) the cost
of building-wide improvements required to be made by changes in applicable laws, shall be limited to a proportionate share of such capital, replacement and/or improvement costs (the
"Reimbursement Amounts") calculated as follows; 

        (a)   if
such costs are incurred during the initial demised term of this Lease, by multiplying such replacement costs by a fraction, the numerator of which is the number of
days in the original demised term and the denominator of which is the number of days in the estimated useful life of the replacement; and 

        (b)   if
Tenant exercises its option to extend the term of this Lease and if such costs are incurred during any such extended term of this Lease, by multiplying such
replacement costs by a fraction, the numerator of which is the number of days in the demised term of this Lease (including any extended term) and the denominator of which is the number of days in the
estimated useful life of the replacement. 

        If
a Reimbursement Amount has been determined under subsection (a) above with respect to any replacement costs, and Tenant subsequently exercises its option to extend the term of
this Lease, Tenant shall also be responsible for another Reimbursement Amount with respect to such replacement costs determined by multiplying such replacement costs by a fraction, the numerator of
which is the number of days in the extended term of this Lease and the denominator of which is the number of days in the estimated useful life of the replacement. 

        The
foregoing limitation shall not apply to equipment furnished by Tenant and maintained by Landlord. Tenant shall pay any Reimbursement Amounts, as additional rent, monthly on a
straight-line 

15

 

basis
amortized over the remaining demised term of the Lease using an interest rate equal to eight percent (8%) per annum. 

        The
limitations on Tenant's liability for expenses hereunder shall in no event apply to any costs for repairs or replacements occasioned by (x) Tenant's negligent acts or
omissions or those of its employees, contractors, agents, invitees or servants, or (y) the particular nature of Tenant's business, all of which costs shall be borne solely by Tenant. 

        Section 11.7.    Notwithstanding any provisions of this Lease to the contrary, the parties acknowledge and agree that
(i) during the first two (2) years of the demised term of this Lease Tenant's prorata share of the cost of maintenance and repairs to the non-structural portions of the roof
and roof membrane on the building shall not be more than Five Thousand Dollars ($5,000.00) per year, (ii) during the first two (2) years of the demised term of this Lease Tenant shall
have no obligation to pay any share of the cost of the replacement of the roof membrane on the building incurred during such two (2) years and (iii) during the final sixty
(60) days of (a) the initial demised term or (b) any extended term, Tenant shall have no obligation to reimburse Landlord for any of the costs described in  Section 11.6. which are
incurred during such sixty (60) day period (excepting any such costs occasioned by Tenant's negligent acts or
omissions or those of its employees, contractors, agents, invitees or servants or the particular nature of Tenant's business, all of which costs shall be borne solely by Tenant). 

ARTICLE 12—Fixtures & Alterations  

        Section 12.1.    All trade fixtures owned by Tenant and installed in the demised premises shall remain:he property of
Tenant and may be removed from time to time and shall be removed at the expiration of the demised term. Tenant shall repair any damage to the demised premises caused by the removal of said fixtures.
If Tenant fails to remove such fixtures on or before the last day of the demised term, all such fixtures shall become the property of Landlord, unless Landlord elects to require their removal, in
which case Tenant shall promptly remove them and restore the demised premises to its condition prior to such removal. Landlord may also, at Landlord's sole discretion, store such fixtures at Tenant's
expense. Tenant shall have the right to mortgage or hypothecate its trade fixtures, equipment and other personal property as security for its obligations under any equipment lease or other financing
arrangement related to the conduct of Tenant's business. Landlord agrees, upon Tenant's request, to execute an agreement, in form and content satisfactory to Landlord, waiving Landlord's rights under
this Lease in and to such fixtures, equipment and personal property to the mortgagee or equipment lessee or other financing thereof. 

        Section 12.2.    Tenant shall not make any alterations, additions or improvements in or to the demised premises or the
building without submitting plans and specifications therefor for the prior written consent of Landlord, which consent shall not be unreasonably withheld or delayed, provided the same do not involve
the exterior of the building, the building structure or adversely impact the mechanical, electrical or life safety systems. Additionally, subject to the qualifications in the immediately preceding
sentence, Tenant may, without Landlord's consent, make minor alterations and improvements to the interior of the demised premises provided the cost of the same do not exceed Five Thousand Dollars
($5,000.00) for any particular project and provided that Tenant furnishes Landlord with plans for such changes within thirty (30) days of completion thereof. All such alterations, additions or
improvements, whether or not required to be consented to by Landlord, shall be made at Tenant's sole cost and expense in accordance with the plans and specifications therefor and Tenant agrees to
provide Landlord with an "as built" set of plans and specifications after any such work is completed. Tenant shall secure any and all governmental permits, approvals or authorizations required in
connection with any such work, and shall hold Landlord harmless from any and all liability, costs, damages, expenses (including attorneys' fees) and any and all liens resulting therefrom. All
alterations, decorations, additions and improvements (and expressly including all light fixtures and floor coverings 

16

 

installed
by Tenant), shall be deemed to belong to Tenant, but shall be deemed to have been attached to the demised premises or the building and to have become the property of Landlord upon the
termination of the demised term, except furniture, removable paneling, wall fixtures, trade fixtures, appliances and equipment which do not become a part of the demised premises. Upon the expiration
or sooner termination of the demised term hereof, Tenant shall, upon written demand by Landlord, at Tenant's sole cost and expense, forthwith remove any alterations, decorations, additions or
improvements made by Tenant, designated by Landlord to be removed at the time of consent, and Tenant shall forthwith at its sole cost and expense repair any damage to the demised premises or the
building caused by such removal, but in no event shall Tenant be required to remove the Tenant Improvements. 

ARTICLE 13—Remedies  

        Section 13.1.    Should Tenant default in the performance of any of its obligations under this Lease with reference to
the payment of rent and such default continues for five (5) days after written notice of such default, or should Tenant default in the performance of any other obligations under this Lease and
such default continue for thirty (30) days after receipt of written notice from Landlord specifying such default or beyond the time reasonably necessary to cure if such default is of a nature
to require more than thirty (30) days to remedy, then, in addition to all other rights and remedies Landlord may have under this Lease or under applicable law, Landlord shall have the following
rights and remedies: 

        (1)   The
Landlord has the remedy described in California Civil Code Section 1951.4 (Landlord may continue the lease in effect after Tenant's breach and abandonment and
recover Rent as it becomes due, if Tenant has the right to sublet or assign, subject only to reasonable limitations). If Tenant
breaches any covenants of this Lease or if any event of default occurs, whether or not Tenant abandons the demised premises, this Lease shall continue in effect until Landlord terminates Tenant's
right to possession, and Tenant shall remain liable to perform all of its obligations under this Lease and Landlord may enforce all of Landlord's rights and remedies, including the right to recover
rent as it falls due. If Tenant abandons the demised premises or fails to maintain and protect the same as herein provided, Landlord shall have the right to do all things necessary or appropriate to
maintain, preserve and protect the demised premises, including the installation of guards, and may do all things appropriate to a re-letting of the demised premises, and none of said acts
shall be deemed to terminate Tenant's right of possession, unless Landlord elects to terminate the same by written notice to Tenant. Tenant agrees to reimburse Landlord on demand for all amounts
reasonably expended by Landlord in maintaining, preserving and protecting the demised premises, together with interest on the amounts expended from time to time at the maximum legal rate. Landlord
shall also have the right to repair the demised premises at the expense of Tenant and as deemed necessary by Landlord. 

        (2)   Landlord
shall have the right to terminate the Lease and shall be entitled, at Landlord's election, to recover damages in an amount as set forth in Section 1951.2
of the Civil Code of California as then in effect, which damages shall include (1) the worth at the time of award of any unpaid rent and additional rent which had been earned at the time of
such termination; plus (2) the worth at the time of award of the amount by which the unpaid rent and additional rent which would have been earned after termination until the time of award
exceeds the amount of such rental loss Tenant proves could have been reasonably avoided; plus (3) the worth at the time of award of the amount by which the unpaid rent and additional rent for
the balance of the term after the time of award exceeds the amount of such rental loss that Tenant proves could be reasonably avoided; plus (4) all other amounts due Landlord from Tenant under
the terms of this Lease, or necessary to compensate Landlord for all detriment caused by Tenant's failure to perform its obligations under this Lease. The Lease should not be deemed terminated until
Landlord gives Tenant written notice of such termination or until Landlord re-lets all or a portion 

17

 

of
the Premises. Landlord shall be required to mitigate damages by making a good faith effort to re-let the Premises. 

        As
used in subparagraphs (1) and (2) above, the "worth at the time of award" is computed by allowing interest at the legal rate of ten percent (10%) per annum. As used in
subparagraph (3) above, the "worth at the time of award" is computed by discounting such amount at the discount rate of the Federal Reserve Bank of San Francisco at the time of award plus one
percent (1%). 

        (3)   No
right or remedy herein conferred upon or reserved to Landlord is intended to be exclusive of any other right or remedy herein or by law, provided that each shall be
cumulative and in addition to every other right or remedy given herein or now hereafter existing at law or in equity or by statute. 

        Section 13.2.    Landlord shall in no event be in default in the performance of any of its obligations hereunder unless
and until Landlord shall have failed to perform such obligations within thirty (30) days or such additional times as is reasonably required to correct any such default after notice by Tenant to
the Landlord properly specifying wherein the Landlord has failed to perform any such obligation. In the event Landlord fails to perform any of its obligations herein within such thirty (30) day
period or fails to commence such cure within said thirty (30) day period and thereafter continuously with due diligence prosecute such cure to completion where such failure could not reasonably
be cured within said thirty (30) day period, then Tenant shall have the right, but not the obligation, to cure such default and to demand reimbursement by Landlord of the cost of such cure,
with interest thereon at the rate of eight percent (8%) per annum or the highest rate allowed by law, whichever is less, from the date of the expenditure until repaid. 

ARTICLE 14—Bankruptcy  

        Section 14.1.    Tenant shall give written notice to Landlord of its intention to commence proceedings under any state or
federal insolvency or bankruptcy law, or any comparable law that is now or hereafter may be in effect, whereby Tenant seeks to be, or would be, discharged of its debts or the payment of its debts is
sought to be delayed, at least thirty (30) days prior to the commencement of such proceedings. 

        Section 14.2.    If any of the following events occur: 

        (1)   The
entry of an order for relief under Title 11 of the United States Code as to Tenant or its executors, administrators or assigns, if any, or the adjudication of
Tenant or its executors, administrators or assigns, if any, as insolvent or bankrupt pursuant to the provisions of any state insolvency or bankruptcy act; 

        (2)   The
appointment of a receiver, trustee or other custodian of the property of Tenant by reason of the insolvency or inability of Tenant to pay its debts; 

        (3)   The
general assignment of the property of Tenant for the benefit of creditors; 

        (4)   The
commencement of any proceedings under any state or federal insolvency or bankruptcy law, or any comparable law that is now or hereafter may be in effect, whereby
Tenant seeks to be, or would be, discharged of its debts or the payment of its debts is sought to be delayed; 

        (5)   The
failure of Tenant to give written notice to Landlord provided for in Section 14.1. above; 

18

   
        then Landlord may, at any time thereafter, in addition to any and all other rights or remedies of Landlord under this Lease or under applicable law, upon written notice to Tenant,
terminate this Lease, and upon such notice this Lease shall cease and terminate with the same force and effect as though the date set forth in said notice were the date originally set forth herein and
fixed for the expiration of the demised term. Tenant shall thereupon vacate and surrender the demised premises, but shall remain liable as herein provided in  Section 13.1.(2). 

ARTICLE 15—Surrender of Premises  

        Section 15.1.    Tenant shall, upon termination of the demised term, or any earlier termination of this Lease, surrender
to Landlord the demised premises without an:, damage, injury, or disturbance thereto, or payment therefor, except damages due to ordinary wear and tear, acts of God, fire and other perils, and Tenant
shall dispose of any hazardous materials stored, dispensed, handled or used in, at or upon the demised premises by Tenant in accordance with the provisions of  Section 7.4. 

ARTICLE 16—Eminent Domain  

        Section 16.1.    If more than thirty-three percent (33%) of the floor area of the demised premises shall be taken under
the power of eminent domain or the portion not so taken will not be reasonably adequate for the operation of Tenant's business after the Landlord completes such repairs or alterations as the Landlord
is obligated or elects to make, or if Tenant's parking rights under the Lease are materially reduced as a result of such taking, Tenant shall have the right to elect either to terminate this Lease,
or, subject to Landlord's right to terminate the Lease pursuant to Section 16.4., to continue in possession of the remainder of the demised
premises, and shall notify Landlord in writing within ten (10) days after such taking of Tenant's election. Subject to Landlord's termination rights, in the event Tenant elects to remain in
possession, as provided in the first sentence hereof, all of the terms herein provided shall continue in effect, except that the base rent shall be reduced in the same proportion that the floor area
of the demised premises taken bears to the original floor area of the demised premises, and Landlord shall at its own cost and expense make all necessary repairs or alterations to the demised premises
so as to constitute the portion of the demised premises not taken a complete architectural unit for the purposes allowed by this Lease, but such work shall not exceed the scope of the work to be
done by Landlord in originally constructing the building and the demised premises (but including the Tenant Improvements). 

        Section 16.2.    Each party waives the provisions of Code of Civil Procedure Section 1265.130 allowing either
party to petition the Superior Court to terminate this Lease in the event of a partial taking. 

        Section 16.3.    All damages or awards for any taking under the power of eminent domain whether for the whole or a part
of the demised premises shall belong to and be the property of Landlord whether such damages or awards shall be awarded as compensation for diminution in value to the leasehold or to the fee of the
demised premises; provided, however, that Landlord shall not be entitled to the award made to Tenant or Landlord for loss of business, depreciation to, and cost or removal of stock and fixtures and
for leasehold improvements which have been installed by Tenant at its sole cost and expense less depreciation which is to be computed on the basis of completely depreciating such leasehold
improvements during the initial term of this Lease, and any award made to Tenant in excess of the then depreciated value of leasehold improvements shall be payable to the Landlord. 

        Section 16.4.    If more than thirty-three percent (33%) of the floor areas of the building or the demised premises shall
be taken under power of eminent domain, or if any material part of the Parking and Accommodation Areas shall be so taken, Landlord may, by written notice to Tenant delivered on or before the date of
surrendering possession to the public authority pursuant to such taking, terminate this Lease as of such date. 

19

 

        Section 16.5.    If this Lease is terminated as provided in this Article, the rent shall be paid up to the day that
possession is so taken by public authority and Landlord shall make a prorata refund of any rent and all deposits paid by Tenant in advance and not yet earned. 

ARTICLE 17—Real Property Taxes  

        Section 17.1.    Tenant shall reimburse Landlord for all real property taxes, assessments and ongoing sewer fees
applicable to the demised premises. Taxes shall be prorated to lease years for purpose of making this computation. Such payment shall be made by Tenant within thirty (30) days after receipt of
Landlord's written statement setting forth the amount of such computation thereof. If the term of this Lease shall not expire concurrently with the expiration date of the fiscal tax year, Tenant's
liability for taxes for the last partial lease year shall be prorated on an annual basis. 

        Section 17.2.    If the demised premises are not separately assessed, Tenant's liability shall be an equitable proportion
of the real property taxes for all of the land and improvements included within the tax parcel assessed, such proportion to be determined by Landlord from the respective valuations assigned in the
assessor's work sheets or such other information as may be reasonably available. Landlord's reasonable determination thereof, in good faith, shall be conclusive. 

        Section 17.3.    Tenant shall pay prior to delinquency all taxes assessed against and levied upon trade fixtures,
furnishings, equipment and all other personal property contained in the demised premises or elsewhere. Tenant shall cause said trade fixtures, furnishings, equipment and all other personal property to
be assessed and billed separately from the real property of Landlord. 

        If
any of Tenant's said personal property shall be assessed with Landlord's real property, Tenant shall pay Landlord the taxes attributable to Tenant within ten (10) days after
receipt of a written statement setting forth the taxes applicable to Tenant's property. 

        Section 17.4.    In addition to all other payments provided for herein, the Tenant shall on demand reimburse Landlord for
its prorata share of any surcharges, fees, and any similar charges required to be paid by any instrumentality of local, state or federal government in connection with charged parking on the parking
areas and facilities furnished by Landlord, including policing; supervising with attendants; other costs in connection with providing charged parking; repairs, replacements and maintenance not
properly chargeable to capital account under good accounting principles; interest and depreciation of the actual cost of modification or improvements to the areas, facilities and improvements (made
after the Commencement Date) maintained in this Article either (i) required by any instrumentality of local, state or federal government, or (ii) installed by Landlord on account of
governmental requirements to facilitate payment of a parking charge by the general public for parking in the parking area, or both, and other similar costs; and there shall be excluded (a) cost
of construction of such improvements which is properly chargeable to capital account and (b) depreciation of the original cost of construction of all items not previously mentioned in this
sentence. If Landlord shall on account of governmental requirements require the payment of a parking charge by the general public for parking in the parking area, then during any period in which such
a charge is made the total revenue (after deducting excise and similar taxes thereon and taxes, fees or surcharges imposed by any agency or instrumentality of local, state or federal government)
actually received in cash or its equivalent by Landlord for such parking charge shall be credited against said gross costs. 

        Section 17.5.    Notwithstanding the provisions of Article 17
hereinabove, Tenant shall pay any increase in "real property taxes" resulting from any and all improvements of any kind whatsoever placed on or in the demised premises for the benefit of or at the
request of Tenant regardless of whether said improvements were installed or constructed either by Landlord or Tenant. 

        Section 17.6.    In addition to all other payments provided for herein, the Tenant shall on demand reimburse Landlord for
any tax (excluding income tax) and/or business license fee or other levy that 

20

 

may
be levied, assessed or imposed upon the rent or other payments provided for herein or on the square footage of the demised premises, on the act of entering into this Lease, or on the occupancy of
the Tenant however described, as a direct substitution in whole or in part for, or in addition to, any real property taxes, whether pursuant to laws presently existing or enacted in the future. 

        Section 17.7.    "Real Property taxes" shall not include and Tenant shall not be required to pay any portion of any tax
or assessment expense or any increase therein (a) in excess of the amount which would be payable if such tax or assessment expense were paid in installments over the longest possible term; or
(b) attributable to Landlord's net income, inheritance, gift, transfer, estate or state taxes. 

ARTICLE 18—Common Area, Parking Facilities  

        Section 18.1.    Landlord grants to Tenant during the demised term the non-exclusive right to use the parking
facilities and other areas provided and designated as "Common Area and Parking Facilities" on Exhibit "B" hereto for the accommodation and parking of
such automobiles of the Tenant, its officers, agents, and employees and customers while working or visiting Tenant. Such right shall include the nonexclusive use of three (3) parking spaces per
one thousand (1,000) rentable square feet in the demised premises. Tenant agrees that its officers, agents, and employees will park their automobiles only on such parts of the Common Area and parking
areas as Landlord from time to time designates as employee parking areas and Tenant specifically agrees that such officers, agents and employees will not park on any public streets in the vicinity of
the building(s) of which the demised premises are a part. Except as provided in Section 17.4., Landlord shall not charge parking fees for such
right to use parking facilities. 

        Section 18.2.    All parking areas and facilities furnished by Landlord including, but not limited to, pedestrian
sidewalks, landscaped areas and parking areas shall at all times be subject to the control and management of Landlord so that Landlord will be in a position to make available efficient and convenient
use thereof, and Landlord shall have the right from time to time to establish, modify and enforce reasonable rules and regulations with respect to all facilities and areas mentioned in this Article,
and Tenant agrees to abide by and conform therewith. Landlord shall have the right to construct, maintain, and operate lighting facilities on all of said areas and improvements, to police the same,
from time to time to change the area, location and arrangement of parking areas and facilities, to close (if necessary), all or any portion of said areas or facilities to such extent as may in the
opinion of Landlord's counsel be legally sufficient to prevent a dedication thereof or the accrual of any rights of any person or of the public therein, and to do and perform such other acts in and to
said areas and improvements respectively as in the use of good business judgment the Landlord shall determine to be
advisable with a view to the improvement of the convenience and use thereof by Tenant, other lessees, and their respective employees and visitors, so long as none of the foregoing shall materially
reduce Tenant's parking rights under the Lease or materially affect Tenant's access to the demised premises. Landlord shall make reasonable business efforts not to disturb Tenant's use and enjoyment
of the demised premises in the event Landlord performs any construction or changes pursuant to this Section 18.2.

        Section 18.3.    Tenant agrees during the demised term to pay to Landlord an annual charge which shall be Tenant's
prorata share of Landlord's actual gross costs of operating, maintaining and/or replacing all of the areas and facilities mentioned in this Article. The annual charge shall be an estimate computed on
the basis of periods of twelve (12) consecutive calendar months, commencing and ending on such dates as may be designated by Landlord, and shall be paid in monthly installments on the first day
of each calendar month in the amount estimated by Landlord. Within ninety (90) days after the end of each such annual period, Landlord will determine (and furnish to Tenant a statement showing
in reasonable detail) the actual annual charge for such period and the amounts so estimated and paid during such period shall be adjusted within such ninety (90) days (including adjustments on
a 

21

 

prorata
basis of any partial such period at either end of the demised term) and one party shall pay to the other on demand whatever amount is necessary to effectuate such adjustment. Tenant's prorata
share of Landlord's said gross costs shall be determined as follows: 

        The
Tenant's prorata share of Landlord's gross costs of maintaining and operating all areas, facilitates and improvements mentioned in this Article shall be that portion of the whole
which the floor area of the demised premises bears to the floor area of the building of which the demised premises is a part. 

        Landlord's
said gross costs shall consist of and include all costs and expenses of every kind or nature incurred by Landlord in the operation, maintenance and/or replacement of all of
the areas, facilities and improvements mentioned in this Article determined in accordance with good accounting practices by an accountant employed by Landlord. Without otherwise limiting the
generality of the foregoing, there shall be included in such gross costs public liability and property damage insurance, landscape maintenance, maintenance of utilities, water, cleaning of areas,
facilities and improvements, operation of lighting, policing and sweeping of parking areas, repairs, replacements and maintenance, and an amount equal to ten percent (10%) of the total of all of the
above for administration of the Common Areas and Parking Facilities. 

        Notwithstanding
anything to the contrary in this Lease, such operating, maintaining and/or replacing costs shall not include and Tenant shall not have any obligation to perform or to pay
for the following (collectively, "Costs"): (a) Costs occasioned by the act, omission or violation of any law by Landlord or any other occupant of the building, or their respective agents,
employees or contractors; (b) Costs occasioned by casualty (except for deductibles not to exceed $10,000.00 for any single event) or by the exercise of the power of eminent domain;
(c) subject to Section 3.1., Costs to correct any construction defect in the demised premises or the building or to cause the building
exterior, common areas or
building structure to comply with laws, rules, codes or regulations existing as of the Commencement Date; (d) interest, charges and fees incurred on debt; and (e) Costs associated with
repairs and maintenance exclusively serving other tenant spaces in the building (other than the demised premises). 

        Section 18.4.    The Common Areas and Parking Facilities included for the purpose of this Article are those shown on  Exhibit "B" outside of the building area. 

ARTICLE 19—MISCELLANEOUS  

        Section 19.1.    Landlord and its designee shall have the right during reasonable business hours, upon at least
twenty-four (24) hours' prior notice, to enter the demised premises except restricted areas as established by or on behalf of the Federal Government for security purposes (and in
emergencies at all times and without notice), (i) to inspect the same, and (ii) for any purpose connected with Landlord's rights or obligations under this Lease. Such entry shall be
subject to Tenant's reasonable security measures. 

        Section 19.2.    Tenant waives the provisions of Civil Code Sections 1941 and 1942 with respect to Tenant's right to make
repairs and deduct the expenses of such repairs from rent. 

        Section 19.3.    This Lease shall be governed exclusively by the provisions hereof and by the laws of the State of
California as the same from time to time exist. This Lease expresses the entire understanding and all agreements of the parties hereto with each other and neither party hereto has made or shall be
bound by any agreement or any representation to the other party which is not expressly set forth in this Lease. If any provision of this Lease shall be invalid, unenforceable or ineffective for any
reason whatsoever, all other provisions hereof shall be and remain in full force and effect. 

22

 

        Section 19.4.    lf Tenant should hold over after the demised term and any extension thereof as herein provided for, then
such holding over shall be construed as a tenancy from month to month at a rent one hundred twenty-five percent (125%) of that provided for under the monthly rental of the principal term
of this Lease. 

        Section 19.5.    Tenant agrees to maintain all toilet and washroom facilities within the demised premises in a neat,
clean and sanitary condition. 

        Section 19.6.    Landlord covenants and agrees that Tenant, subject to the terms and provisions of this Lease, on paying
the rent and observing, keeping and performing all of the terms and provisions of this Lease on its part to be observed, kept and performed, shall lawfully, peaceably and quietly have, hold, occupy
and enjoy the demised premises during the demised term without hindrance or ejection by any person lawfully claiming under or against the Landlord. 

        Section 19.7.    Subject to Article 6, the terms and provisions
hereof shall be construed as running with the land and shall be binding upon and inure to the benefit of heirs, executors, administrators, successors and assigns of Landlord and Tenant. 

 Section 19.8.  

        A.    Tenant
shall promptly pay all sums of money with respect to any labor, services, materials, supplies or equipment furnished or alleged to have been furnished to Tenant
in, at or about the demised premises, or furnished to Tenant's agents, employees, contractors or subcontractors, that may be secured by any mechanic's, materialmen's, supplier's or other liens against
the demised premises or Landlord's interest therein. In the event any such or similar liens shall be filed, Tenant shall, within three (3) days of receipt thereof, give notice to Landlord of
such lien, and Tenant shall, within thirty (30) days after receiving notice of the filing of the lien, discharge such lien by payment of the amount due to the lien claimant. However, Tenant may
in good faith contest such lien provided that within such thirty (30) day period Tenant provides Landlord with a surety bond from a company acceptable to Landlord, protecting against said lien
in an amount at least one and one-half (11/2) times the amount claimed or secured as a lien or such greater amount as may be required by applicable law and provided further
that Tenant, if it should decide to contest such lien, shall agree to indemnify, defend and save harmless Landlord from and against all costs arising from or in connection with any proceeding with
respect to such lien. Failure of Tenant to discharge the lien or, if contested, to provide such bond and indemnification shall constitute a default under this Lease and, in addition to any other right
or remedy of Landlord, Landlord may, but shall not be obligated, to discharge or secure the release of any lien by paying the amount claimed to be due, and the amount so paid by Landlord, and all
costs and expenses incurred by Landlord therewith, including, but not limited to, court costs and reasonable attorneys' fees, shall be due and payable by Tenant to Landlord forthwith on demand. 

        B.    At
least fifteen (15) days before the commencement by Tenant of any material construction or remodeling work on the demised premises, Tenant shall give written
notice thereof to Landlord. Landlord shall have the right to post and maintain on the demised premises such Notices of Non-Responsibility, or similar notices, provided for under applicable
laws. 

 Section 19.9.  

        A.    Tenant
shall deposit with Landlord the sum specified in Section 2.4.(B) hereof as a "Security Deposit." The
Security Deposit shall be held by Landlord as security for the faithful performance of all the terms of this Lease to be observed and performed by Tenant. The Security Deposit shall not be mortgaged,
assigned, transferred or encumbered by Tenant without the written consent of Landlord and any such act on the part of Tenant shall be without force and effect and shall not be binding upon Landlord. 

23

 

        B.    If
any of the rents herein reserved or any other sum payable by Tenant to Landlord shall be overdue and unpaid, or should Landlord make payments on behalf of Tenant, or
should Tenant shall fail to perform any of the terms of this Lease, then Landlord may, at its option and without prejudice to any other remedy which Landlord may have on account thereof, apply the
entire Security Deposit, or so much thereof as may be necessary, to compensate Landlord toward the payment of rent or additional rent, loss, or damage sustained by Landlord due to such breach on the
part of Tenant, and Tenant shall forthwith upon demand restore said Security Deposit to the original sum deposited. Should Tenant comply with all of said terms and promptly pay all of the rent and all
other sums payable by Tenant to Landlord, said Security Deposit shall be returned in full to Tenant at the end of the demised term. 

        C.    In
the event of bankruptcy or other similar proceedings listed in Article 14 hereof, the Security Deposit shall be
deemed to be applied first to the payment of rent and other charges due Landlord for all periods prior to the filing of such proceedings. 

        D.    In
the event Landlord delivers the Security Deposit to the purchaser of Landlord's interest in the demised premises, Landlord, after written notice to Tenant of said
delivery, shall be discharged from any further liability with respect to the Security Deposit. This provision shall also apply to any subsequent transferees. 

        Section 19.10.    All notices, statements, demands, requests, consents, approvals, authorizations, offers, agreements,
appointments or designations hereunder by either party to the other shall be in writing and shall be sufficiently given and served upon the other party if sent by United States certified mail, return
receipt requested, postage prepaid, or overnight courier (provided a receipt is given), and addressed as follows: 

        If
sent by mail to Tenant, the same shall be addressed to the Tenant at 125 Constitution Avenue, Suite A, Menlo Park, California 94025, Attention:
President and CEO, or at such other place as Tenant may from time to time designate by notice to Landlord. 

        If
sent by mail to Landlord, the same shall be addressed to Landlord at Sixty 31st Avenue, San Mateo, California 94403-3497, Attention: Legal
Department, or at such other place as Landlord may from time to time designate by notice to Tenant. 

        Any
such notice when sent by certified mail as above provided shall be deemed duly served on the third business day following the date of such mailing. Any such notice when sent by
overnight courier as above provided shall be deemed duly served on the first business day following the date of such mailing. 

        Section 19.11.    As used in this Lease and when required by the context, each number (singular or plural) shall include
all numbers, and each gender shall include all genders; and unless the context otherwise requires, the word "person" shall include corporation, firm or association. 

        Section 19.12.    In case of litigation with respect to the mutual rights, obligations, or duties of the parties
hereunder, the prevailing party shall be entitled to reimbursement from the other party of all costs and reasonable attorneys' fees actually incurred. 

        Section 19.13.    Intentionally Deleted. 

24

           Section 19.14.    Except as otherwise expressly stated, each payment provided herein to be made by
Tenant to Landlord
shall be in addition to and not in substitution for the other payments to be made by Tenant to Landlord. 

        Section 19.15.    Time is and shall be of the essence of this Lease and all of the terms, provisions, covenants and
conditions hereof. 

        Section 19.16.    The Tenant warrants that it has not had any dealings with any realtor, broker, or agent in connection
with the negotiation of this Lease excepting only Colliers International and Cornish & Carey, whom Landlord agrees to pay whatever commission may
be due. Each party agrees to hold the other harmless from any cost, expense or liability for any compensation, commissions or charges claimed by any other realtor, broker, or agent with respect to
this Lease and/or the negotiation thereof with whom the other party has or purportedly has dealt. 

        Section 19.17.    Tenant agrees that its interest in this Lease shall be subordinate to any mortgage, deed of trust
and/or other security indenture hereafter placed upon the demised premises and to any and all advances made or to be made thereunder and to the interest thereon made and all renewals, replacements,
and extensions thereof, but nothing herein contained shall be deemed to alter or limit Tenant's rights as set forth in Section 19.6. Tenant
shall, at the request of Landlord or any mortgagee, trustee or holder of any such security instrument, execute in writing an agreement subordinating its rights under this Lease to the lien of such
mortgage, deed of trust and/or other security indenture. If any mortgagee, trustee or holder of such security instrument elects to have the Tenant "s interest in this Lease superior to any such
instrument by notice to Tenant, then this Lease should be deemed superior to the lien of any such mortgage, deed of trust or security indenture whether this Lease was executed before or after said
mortgage, deed of trust and/or security indenture. Notwithstanding the foregoing, the Lease shall not be subject to or subordinate to any ground or underlying lease or to any lien, mortgage, deed of
trust, or security interest now or hereafter affecting the demised premises, nor shall Tenant be required to execute any documents subordinating this Lease, unless the ground lessor, lender, or other
holder of the interest to which this Lease shall be subordinated contemporaneously executes a recognition and nondisturbance agreement which (i) provides that this Lease shall not be terminated
so long as Tenant is not in default under this Lease and (ii) recognizes all of Tenant's rights hereunder (an "SNDA"). As of the date of this Lease there is no existing mortgagee, lender,
ground lessor or other party currently holding a security interest affecting the demised premises or the building. 

        Section 19.18.    Landlord reserves the right during the last six months of the term of this Lease or the last six months
of any extension hereof to enter the demised premises during normal working hours upon at least twenty-four (24) hours' prior notice for the purpose of showing the demised
premises (except restricted areas established by, or on behalf of, the Federal Government for security purposes) to prospective tenants or purchasers and to place signs on the demised premises
advertising the property for lease or sale. 

        Section 19.19.    The following term as used in this Lease shall have the following meaning: 

        (a)   "Unavoidable
Delay" means any prevention, delay or stoppage due to strike(s), lockout(s), labor dispute(s), act(s) of God, inability to obtain labor or materials or
reasonable substitutes therefor, governmental restrictions, governmental regulations, governmental controls, enemy or hostile governmental action, civil commotion, fire or other casualty, and other
conditions or causes beyond the reasonable control of the party obligated to perform. 

        Section 19.20.    Tenant shall at any time during the demised term, but no more than twice in any twelve
(12) month period, within ten (10) days after written notice from Landlord, execute, acknowledge and deliver to Landlord or, at Landlord's request, Landlord's mortgagee, an estoppel 

25

 

certificate
in writing (i) certifying that this Lease is unmodified and in full force and effect (or, if modified, stating the nature of such modification and certifying that this Lease, as so
modified, is in full force and effect) and the date to which the rent and other charges are paid in advance, if any, (ii) acknowledging that there are not, to Tenant's knowledge, any uncured
defaults on the part of Landlord hereunder, or specifying such defaults, if any, are claimed, and (iii) ratifying and certifying any such other matters as may reasonably be requested. Any such
certificate may be conclusively relied upon by any prospective purchaser or encumbrancer of the demised premises. Tenant's failure to deliver such certificate within such time shall be conclusive upon
Tenant that this Lease is in full force and effect, without modification except as may be represented by Landlord; that there are no uncured defaults in Landlord's performance, and that not more than
one month's rent has been paid in advance. 

        Section 19.21.    Option to Expand.    Provided this Lease is in full force and effect and so long as Tenant is
not in default under any of the terms and conditions of this Lease beyond applicable notice and cure periods, commencing upon the expiration of the existing tenant's lease and the vacation of the
space by the existing tenant (presently scheduled for November 30, 2003), Tenant shall have the option to lease the space containing approximately 5,490 rentable square feet (including the
common lobby and stairwell) and located on the second floor of the building as described in Exhibit "X"and as shown on the plan attached hereto as  Exhibit "X-1" (the "expansion space") subject to the following terms and conditions: 

        (a)   Landlord
shall notify Tenant in writing of the date the expansion space will be available. Tenant shall have ten (10) days after Landlord's notice to notify
Landlord in writing of its election to expand into the expansion space. The demised term of the Lease for the expansion space shall commence on
completion of Tenant Improvements as described hereinbelow and shall expire on the same date as the demised term for the original demised premises (subject to Tenant's option to extend the term for
both the original demised premises and the expansion space); 

        (b)   From
and after completion of the Tenant Improvements and delivery of possession of the expansion space to Tenant, the expansion space shall be added to the demised
premises leased by Tenant hereunder; 

        (c)   The
base rent for the expansion space shall commence on the date Landlord completes the Tenant Improvements and delivers the expansion space to Tenant and shall be at
the rental rate of $1.00 per square foot per month (i.e., $5,490.00 per month), and shall be increased on the same dates as the scheduled rent increases for the original demised premises by the amount
of three percent (3%) annually, and all items of additional rent which are calculated based on the square footage of the demised premises shall be adjusted accordingly to include the rentable square
footage of the expansion space; 

        (d)   Landlord
shall perform Tenant Improvements to the expansion space pursuant to the provisions of Section 3.1. of
this Lease and as follows: (i) the Tenant Allowance shall be the amount of Sixty Five Thousand Eight Hundred Eighty Dollars ($65,880.00) or the actual cost of the Tenant Improvements for the
expansion area, whichever is less; (ii) the Plans for the Tenant Improvements shall be prepared by the Architect and delivered to Landlord within fifteen (15) days of Tenant's notice
exercising the option to expand. The Plans shall be reasonably approved by Landlord and Tenant within fifteen (15) days thereafter. Any delay shall be deducted, on a day for day basis, from the
commencement date of the demised term for the expansion space, unless such delay is the result of Landlord unreasonably withholding its consent to the Plans; (iii) the reference to $25,000.00
in the first paragraph of Section 3.1. shall, with respect to the expansion space, be deemed to be Ten Thousand Dollars ($10,000.00); and
(iv) the other provisions of Section 3.1. regarding contractors, construction and costs shall apply also to the expansion space; 

26

 

        (e)   If
Tenant exercises its option to lease the expansion space the parties shall promptly thereafter execute an amendment to this Lease to add the expansion space to the
demised premises under the terms and conditions hereof. 

        Section 19.22.    Expenditures in Good Faith.    Any
expenditure by a party permitted or required under this Lease, for which such party is entitled to demand and does demand reimbursement from the other party, shall be incurred in good faith. 

        Section 19.23.    Tenant shall have the right, at Tenant's expense, no more than once annually, to inspect and audit the
books and records of Landlord with respect to the operating and other costs referred to in this Lease. Such inspections and audits shall be completed in Landlord's offices during normal business hours
within one hundred twenty (120) days after delivery of Landlord's annual report for said year setting forth such costs and shall be performed by a certified public accountant employed by
Tenant. Tenant shall give Landlord no less than thirty (30) days' advance written notice of its intent to inspect and audit. Tenant's right to inspect and audit is conditioned upon Tenant, and
Tenant's accountant, executing and delivering to Landlord appropriate confidentiality agreements acceptable to Landlord agreeing to keep the results of any such inspection confidential. 

        IN
WITNESS WHEREOF, the parties have executed this instrument. 

	TENANT:	 	LANDLORD:
	

XTENT, INC.,

a Delaware corporation	
 	

125 CONSTITUTION ASSOCIATES, L.P.,

a California Limited Partnership
	

By:	

/s/ Hank A. Plain, Jr.
 President	
 	

By:	

Bohannon Development Company,

Managing Partner
	

By:	

/s/ J. Casey McGlynn
 Secretary	
 	

By:	

/s/ Robert L. Webster
 Robert L. Webster, President
	

 	

 	
 	

By:	

/s/ Scott E. Bohannon
 Scott E. Bohannon, Asst. Secretary

(MultipleTenant—

27

 
 

EXHIBIT "A"    
    
    BOHANNON INDUSTRIAL PARK    
    
    DESCRIPTION OF DEMISED PREMISES FOR    
    
    "XTENT"    
    

125
Constitution Drive, 1st Floor 

Menlo
Park. California 

        All
that certain real property situated in the City of Menlo Park, County of San Mateo, State of California, described as follows: 

        Commencing
at a point in the northerly line of Constitution Drive, said point being the most westerly comer of Parcel 1, as shown on Parcel Map filed November 16, 1969 in Volume 8
of Parcel Maps at Page 50, Records of San Mateo County, State of California, from which corner the point of beginning of demised premises bears South 74° 00' East 368.40 Feet and North
16° 00' East 36.42 Feet. Thence from said point of beginning 

	North 74°	 	00'	 	West	 	26.42	 	Feet,	 	Thence
	South 16°	 	00'	 	West	 	16.42	 	Feet,	 	Thence
	North 74°	 	00'	 	West	 	55.08	 	Feet,	 	Thence
	North 16°	 	00'	 	East	 	180.00	 	Feet,	 	Thence
	South 74°	 	00'	 	East	 	81.50	 	Feet,	 	Thence
	South 16°	 	00'	 	West	 	163.58	 	Feet	 	 
	to the point of beginning.	 	 	 	 

Together
with Tenant's pro rata share of the foyer and interior common areas, a total of approximately 14,551 square feet. 

7/24/03

  

 
 

EXHIBIT "X"    
    
    BOHANNON INDUSTRIAL PARK    
    
    DESCRIPTION OF EXPANSION SPACE    
    

125
Constitution Drive, 2nd Floor 

Menlo
Park, California 

        All
that certain real property situated in the City of Menlo Park, County of San Mateo, State of California, described as follows: 

        Commencing
at a point in the northerly line of Constitution Drive, said point being the most westerly comer of Parcel 1, as shown on Parcel Map filed November 16, 1969 in Volume 8
of Parcel Maps at Page 50, Records of San Mateo County, State of California, from which corner the point of beginning
of demised premises bears South 74° 00' East 368.40 Feet and North 16° 00' East 36.25 Feet. Thence from said point of beginning 

	North 74°	 	00'	 	West	 	10.50	 	Feet,	 	Thence
	South 16°	 	00'	 	West	 	16.25	 	Feet,	 	Thence
	North 74°	 	00'	 	West	 	71.00	 	Feet,	 	Thence
	North 16°	 	00'	 	East	 	68.00	 	Feet.	 	Thence
	South 74°	 	00'	 	East	 	81.50	 	Feet,	 	Thence
	South 16°	 	00'	 	West	 	68.00	 	Feet	 	 
	to the point of beginning.	 	 	 	 

Together
with Tenant's pro rata share of the foyer and interior common areas, a total of approximately 5,490 square feet. 

7/24/03

  

 
 

AMENDMENT TO LEASE    
    

        THIS AMENDMENT TO LEASE ("Amendment") is made this 22nd day of November, 2005 (the "Effective Date"), between 125 CONSTITUTION ASSOCIATES, L.P., a
California limited partnership, herein referred to as "Landlord", and XTENT, INC., a Delaware corporation, herein referred to as "Tenant". 

 
 

WITNESSETH:    
    

        WHEREAS, Landlord and Tenant entered into a Lease entitled "Business Park Lease" dated September 15, 2003, for certain demised premises consisting of
approximately 14,551 rentable square feet (the "Existing Premises"), located at 125 Constitution Drive, Menlo Park, California (the "Building"), as more particularly described in said Lease, and 

        WHEREAS,
Landlord and Tenant wish to increase the size of the demised premises subject to the Lease by adding to the Existing Premises approximately 5,587 rentable square feet of space
located on the second floor of the Building (the "Expansion Space") as shown on Exhibit "X" hereto, all as more particularly set out hereinbelow. 

        NOW,
THEREFORE, in consideration of the covenants and conditions contained herein, Landlord and Tenant agree to amend the Lease as follows: 

        1.     Upon
execution and delivery of this Amendment, Landlord shall deliver, and Tenant shall accept, possession of the Expansion Space (such date shall be the "Expansion
Commencement Date"), and the demised premises shall increase from approximately 14,551 rentable square feet to approximately 20,138 rentable square feet by adding the Expansion Space to the Existing
Premises, and all references in the Lease to the "demised premises" shall, on and after the Expansion Commencement Date, be deemed to refer to both the Existing Premises and the Expansion Space,
including Tenant's option to extend the term of the Lease contained in Section 1.2. Effective on the Expansion Commencement Date, Exhibit "A"
attached to the Lease is hereby deleted in its entirety and shall be replaced with Exhibit "A" attached hereto. Tenant shall include the Expansion Space
in all insurance required in the Lease to be carried by Tenant and shall provide Landlord evidence thereof as of the Expansion Commencement Date. The demised term of the Lease for the Expansion Space
shall expire on the same date as for the Existing Premises, on May 31, 2007. 

        2.     Landlord
shall not be required to perform any work in the Expansion Space, and Tenant accepts the Expansion Space in an "as is" condition. However, Landlord shall
reimburse Tenant for the cost of new kitchen cabinetry and casework, up to a maximum reimbursement amount of Five Thousand Dollars ($5,000.00). Tenant shall provide Landlord with evidence of the cost
to Tenant for such work, and Landlord shall provide such payment to Tenant within thirty (30) days after Tenant's request therefor. 

        3.     Commencing
on the Expansion Commencement Date, and continuing to and including September 30, 2006, base rent for the Expansion Space in the amount of Fifty
Thousand Two Hundred Eighty Three Dollars ($50,283.00) per annum, payable in twelve (12) equal monthly installments of Four Thousand One Hundred ninety and 25/100 Dollars ($4,190.25), shall be
added to the base rent payable for the Existing Premises pursuant to the provisions contained in Article 2 of the Lease; and for the period from October 1, 2006, to and including
May 31, 2007, base rent for the Expansion Space in the amount of Fifty One Thousand Seven Hundred Ninety One and 49/100 Dollars ($51,791.49) per annum, payable in twelve (12) equal
monthly installments of Four Thousand Three Hundred Fifteen and 96/100 Dollars ($4,315.96), shall be added to the base rent payable for the Existing Premises pursuant to the provisions contained in
Article 2 of the Lease. 

        4.     As
of the Effective Date, the following provisions contained in the Lease shall be null and void and of no further force or effect: (i) Tenant's right to terminate
the Lease contained in the second paragraph of Section 1.1.; and (ii) the Option to Expand contained in Section 19.21. 

 

        5.     The
parties agree that upon execution and delivery of this Amendment, Tenant shall pay to Landlord the amount of $4,315.96 as an additional Security Deposit, for a total
Security Deposit of $19,103.21, which shall be held by Landlord pursuant to the terms of the Lease, as amended herein. 

        6.     As
of the Expansion Commencement Date, Tenant's pro rata share referred to in Section 11.3 of the Lease shall be increased to 31.23%. 

        7.     Tenant
warrants that it has not had any dealings with any realtor, broker or agent in connection with the negotiation of this Amendment with the exception of Colliers
International and Cornish and Carey Commercial and agrees that Landlord has no obligation to pay any commission with respect thereto with the exception of Colliers International and Cornish and Carey
Commercial. Tenant holds Landlord
harmless from any cost, expense or liability for any compensation, commissions or charges claimed by any realtor, broker, or agent with respect to this Amendment and/or the negotiation thereof. 

        8.     It
is understood and agreed that all other terms and conditions of the Lease shall be and remain the same. If there is any conflict between the provisions of this
Amendment and the provisions of the Lease, the provisions contained in this Amendment shall control. 

        9.     This
Amendment shall be construed under the laws of the State of California. If any provision of this Amendment, or portion thereof, or the application thereof to any
person or circumstances shall, to any extent, be invalid or unenforceable, the remainder of this Amendment shall not be affected thereby and each provision of this Amendment shall be valid and
enforceable to the fullest extent permitted by law. 

2

 

        IN
WITNESS WHEREOF, the parties have executed this Amendment as of the date first hereinabove written. 

	TENANT:	 	LANDLORD
	

XTENT, INC.,

a Delaware corporation	
 	

125 CONSTITUTION ASSOCIATES, L.P.,

a California partnership
	

By:	

/s/ Jeffry Grainger
 V.P Corporate Affairs	
 	

By:	

BOHANNON DEVELOPMENT COMPANY, Managing Partner
	

By:	

/s/ J. Casey McGlynn
 Secretary	
 	

By:	

/s/ Scott Bohannon
 Senior Vice President
	

 	

 	
 	

By:	

/s/ Illegible
 Secretary

3

  

 
 

EXHIBIT "A"
  BOHANNON INDUSTRIAL PARK
  DESCRIPTION OF DEMISED PREMISES FOR
"XTENT"
  125 Constitution Drive
  Menlo Park, California

        All
that certain real property situated in the City of Menlo Park, County of San Mateo, State of California, described as follows: 

First Floor: 

        Commencing
at a point in the northerly line of Constitution Drive, said point being the most westerly corner of Parcel 1, as shown on Parcel Map filed November 16, 1969 in Volume
8 of Parcel Maps at Page 50, Records of San Mateo County, State of California, from which corner the point of beginning of demised premises bears South 74° 00' East 368.40 Feet and North
16° 00' East 36.42 Feet. Thence from said point of beginning 

	North	 	74° 00'	 	West	 	26.42 Feet,	 	Thence
	South	 	16° 00'	 	West	 	16.42 Feet,	 	Thence
	North	 	74° 00'	 	West	 	55.08 Feet,	 	Thence
	North	 	16° 00'	 	East	 	180.00 Feet,	 	Thence
	South	 	74° 00'	 	East	 	81.50 Feet,	 	Thence
	South	 	16° 00'	 	West	 	163.58 Feet	 	 
	to the point of beginning.	 	 

Together
with Tenant's pro rata share of the foyer and interior common areas, a total of approximately 14,551 square feet. 

Second Floor:  

        Commencing at a point in the northerly line of Constitution Drive, said point being the most westerly corner of Parcel 1, as shown on Parcel Map filed
November 16, 1969 in Volume 8 of Parcel Maps at Page 50, Records of San Mateo County, State of California, from which corner the point of beginning of demised premises bears South
74° 00' East 368.40 Feet and North 16° 00' East 36.25 Feet. Thence from said point of beginning 

	North	 	74° 00'	 	West	 	10.50 Feet,	 	Thence
	South	 	16° 00'	 	West	 	16.25 Feet,	 	Thence
	North	 	74° 00'	 	West	 	71.00 Feet,	 	Thence
	North	 	16° 00'	 	East	 	92.25 Feet,	 	Thence
	South	 	74° 00'	 	East	 	04.00 Feet,	 	Thence
	South	 	16° 00'	 	West	 	24.25 Feet	 	Thence
	South	 	74° 00'	 	East	 	77.50 Feet,	 	Thence
	South	 	16° 00'	 	West	 	51.75 Feet	 	 
	to the point of beginning.	 	 

Together
with Tenant's pro rata share of the foyer and interior common areas, a total of approximately 5,587 square feet. 

Totaling
approximately 20.138 rentable square feet. 

  

QuickLinks

LEASE TABLE OF CONTENTS

BUSINESS PARK LEASE

ARTICLE 1—Premises and Term

ARTICLE 2—Rent

ARTICLE 3—Landlord's Work—Tenant's Work

EXHIBIT "A" BOHANNON INDUSTRIAL PARK DESCRIPTION OF DEMISED PREMISES FOR "XTENT"

EXHIBIT "X" BOHANNON INDUSTRIAL PARK DESCRIPTION OF EXPANSION SPACE

AMENDMENT TO LEASE

WITNESSETH

EXHIBIT "A" BOHANNON INDUSTRIAL PARK DESCRIPTION OF DEMISED PREMISES FOR "XTENT" 125 Constitution Drive Menlo Park, California

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