INDUSTRIAL LEASE

EXHIBIT 10.34

INDUSTRIAL LEASE

(Single Tenant; Net)

Between

THE IRVINE COMPANY

And

INTRALASE CORP.

INDEX TO INDUSTRIAL LEASE

(Single Tenant; Net)

i

ii

INDUSTRIAL LEASE

(Single Tenant; Net)

THIS LEASE is made as of the 7th day of September, 2000, by and between THE IRVINE COMPANY, a Delaware corporation, hereafter called “Landlord,” and INTRALASE CORP., a Delaware corporation, hereinafter called “Tenant.”

ARTICLE I. BASIC LEASE PROVISIONS

Each reference in this Lease to the “Basic Lease Provisions” shall mean and refer to the following collective terms, the application of which shall be governed by the provisions in the remaining Articles of this Lease.

Basic Rent is subject to adjustment as follows:

Commencing November 1,2002, the Basic Rent shall be Forty Five Thousand Five Hundred Forty-Two Dollars ($45,542.00) per month, based on $1.10 per rentable square foot.

Commencing November 1, 2003, the Basic Rent shall be Forty Seven Thousand Six Hundred Twelve Dollars ($47,612.00) per month, based on $1.15 per rentable square foot.

ARTICLE II. ARTICLE IL PREMISES

SECTION 2.1. LEASED PREMISES. Landlord leases to Tenant and Tenant leases from Landlord the premises shown in EXHIBIT A (the “Premises”), including the building identified in Item 1 of the Basic Lease Provisions (which together with the underlying real property, is called the “Building”), and containing approximately the floor area set forth in Item 8 of the Basic Lease Provisions. The Building is located on the site (the “Site”) shown on EXHIBIT A-1 attached hereto.

SECTION 2.2. ACCEPTANCE OF PREMISES. Tenant acknowledges that neither Landlord nor any representative of Landlord has made any representation or warranty with respect to the Premises or the Building or the suitability or fitness of either for any purpose, including without limitation any representations or warranties regarding zoning or other land use matters, and that neither Landlord nor any representative of Landlord has made any representations or warranties regarding (i) what other tenants or uses may be permitted or intended in the Building or on the Site, or (ii) any exclusivity of use by Tenant with respect to its permitted use of the Premises as set forth in Item 3 of the Basic Lease Provisions. Tenant further acknowledges that neither Landlord nor any representative of Landlord has agreed to undertake any alterations or additions or construct any improvements to the Premises except as expressly provided in this Lease. Landlord shall complete the “Tenant Improvements” (defined in the Work Letter attached as EXHIBIT X hereto) prior to the Commencement Date. The taking of possession or use of the Premises by Tenant for its business operations shall conclusively establish that the Premises and the Building were in satisfactory condition and in conformity with the provisions of this Lease in all respects, except for those matters which Tenant shall have brought to Landlord’s attention on a written punch list. The list shall be limited to any items required to be accomplished by Landlord under the Work Letter attached as Exhibit X , and shall be delivered to Landlord within thirty (30) days after the term (“Term”) of this Lease commences as provided in Article Ill below. If no items are required of Landlord under the Work Letter, by taking possession of the Premises Tenant accepts the improvements in their existing condition, and waives any right or claim against Landlord arising out of the condition of the Premises. Nothing contained in this Section shall affect the commencement of the Term or the obligation of Tenant to pay rent. Landlord shall diligently complete all punch list items of which it is notified as provided above.

SECTION 2.3. BUILDING NAME AND ADDRESS. Tenant shall not utilize any name selected by Landlord from time to time for the Building as any part of Tenant’s corporate or trade name. Landlord shall have the right to change the name, address, number or designation of the Building without liability to Tenant.

SECTION 2.4. LANDLORD’S RESPONSIBILITIES. Landlord warrants to Tenant that the plumbing, fire sprinkler, lighting, heating, ventilation and air condition systems serving the Premises shall be in good operating condition on the Commencement Date of this Lease. In the event that Tenant shall notify Landlord of a non-compliance with the foregoing warranty on or before thirty (30) days following the Commencement Date, then Landlord shall promptly rectify same at Landlord’s sole cost and expense. Landlord further represents and warrants to Tenant, that to “Landlord’s knowledge” (as hereinafter defined), the roof of the Building is weather tight. Notwithstanding the foregoing representations and warranties by Landlord, however, Tenant acknowledges and agrees that Landlord’s latest Building reports estimate that the HVAC units serving the Building will need to be replaced in approximately five (5) years, and that the roof of the Building will need to be replaced in approximately two (2) years, and that Tenant will bear the amortized cost of such “capital” replacements in accordance with the provisions of Section 4.2(f) of this Lease. As used herein, “Landlord’s knowledge” shall mean the actual knowledge, as of the date of this Lease, of Landlord’s property managers charged with responsibility for the maintenance and condition of the Building, but without obligation whatsoever for on-site inquiry, investigation or inspection.

ARTICLE III. TERM

SECTION 3.1. GENERAL. The Term shall be for the period shown in Item 5 of the Basic Lease Provisions. Subject to the provisions next below concerning the condition of Landlord’s delivery of possession of the Premises to Tenant, the Term shall commence (“Commencement Date”) on the date set forth in Item 4 of the basic Lease Provisions, and shall expire on the date (“Expiration Date”) set forth in Item 5 of the basic Lease Provisions. Subject to the provisions of Section 3.2 below, Landlord shall deliver possession of the Premises to Tenant at the Commencement Date with the “Tenant Improvements” (described in the attached Work Letter) substantially completed and free and clear of the possessory interest of the “Current Tenant” (as defined in Section 22.8), and of the possessory interest(s) of any subtenant(s) claiming through the

Current Tenant, except for the possessory interest of the Current Tenant for a portion of the Premises in the location generally shown on EXHIBIT A-2 hereto sublet (or to be sublet) from Tenant (the “Current Tenant Sublease Premises”). Such subletting, however, and the disposition and/or removal of any personal property, equipment or trade fixtures of Current Tenant remaining on or about the Premises as of the Commencement Date, shall be a matter solely between Current Tenant and Tenant and shall not be a condition to the effectiveness of this Lease. Tenant’s taking of possession of the Premises shall conclusively satisfy the conditions of Landlord’s delivery of possession described in the second sentence of this Section 3.1, but for the punch list matters described in Section 2.2 above.

SECTION 3.2. DELAY IN POSSESSION . If Landlord, for any reason whatsoever cannot deliver possession of the Premises to Tenant in the condition described in the second sentence of Section 3.1 above on or before the Commencement Date stated in Item 4 of the Basic Lease Provisions, then this Lease shall not be void or voidable nor shall Landlord be liable to Tenant for any resulting loss or damage. However, Tenant shall not be liable for any rent and the Commencement Date shall not occur until Landlord so delivers possession of the Premises to Tenant, except that if Landlord’s failure to so deliver possession on the Commencement Date is attributable either (i) to any failure by Tenant to perform any obligation under this Lease or (ii) to any “Tenant Delay” (as defined in the Work Letter attached hereto), then the Commencement Date shall not be advanced to the date on which possession of the Premises is tendered to Tenant, and Landlord shall be entitled to full performance by Tenant (including the payment of rent) from the date Landlord would have been able to deliver the Premises to Tenant but for Tenant’s delay(s). Notwithstanding anything to the contrary contained in this Section 3.2, however, if for any reason other than the failure by Tenant to perform any obligation under Lease and/or a Tenant Delay, the Commencement Date has not occurred by December 15, 2000, then Tenant may, by written notice to Landlord given within twenty (20) business days thereafter but prior to the actual Commencement Date, elect to terminate this Lease. In the event of a dispute between Landlord and Tenant regarding the advancement of the Commencement Date (including, without limitation, the occurrence and/or duration of Tenant Delays) and/or regarding the occurrence of the Commencement Date pursuant to the foregoing provisions of this Section 3.2, either party may elect to submit the matter for binding arbitration with JAMS/ENDISPUTE as provided in Section 22.7 of this Lease.

SECTION 3.3. RIGHT TO EXTEND THIS LEASE. Provided that Tenant is not in default under any provision of this Lease, either at the time of exercise of the extension right granted herein or at the time of the commencement of such extension, and provided further that Tenant is occupying more than fifty percent (50%) of the floor area of the Premise and/or has not assigned its interest in this Lease (except in connection with a “Permitted Transfer” as defined in Section 9.4 hereof), Tenant may extend the Term of this Lease for one (1) period of sixty (60) months. Tenant shall exercise its right to extend the Term by and only by delivering to Landlord, not less than nine (9) months or more than twelve (12) months prior to the expiration date of the Term, Tenant’s irrevocable written notice of its commitment to extend (the “Commitment Notice”). The Basic Rent payable under the Lease during any extension of the Term shall be determined as provided in the following provisions.

If Landlord and Tenant have not by then been able to agree upon the Basic Rent for the extension of the Term, then within one hundred twenty (120) and ninety (90) days prior to the expiration date of the Term, Landlord shall notify Tenant in writing of the Basic Rent that would reflect the prevailing market rental rate for a 60-month renewal of comparable space in the Project (together with any increases thereof during the extension period) as of the commencement of the extension period (“Landlord’s Determination”). Should Tenant disagree with the Landlord’s Determination, then Tenant shall, not later than twenty (20) days thereafter, notify Landlord in writing of Tenant’s determination of those rental terms (“Tenant’s Determination”). In no event, however, shall Landlord’s Determination or Tenant’s Determination be less than the Basic Rent payable by Tenant during the final month of the initial Term. Within ten (10) days following delivery of the Tenant’s Determination, the parties shall attempt to agree on an appraiser to determine the fair market rental. If the parties are unable to agree in that time, then each party shall designate an appraiser within ten (10) days thereafter. Should either party fail to so designate an appraiser within that time, then the appraiser designated by the other party shall determine the fair market rental. Should each of the parties timely designate an appraiser, then the two appraisers so designated shall appoint a third appraiser who shall, acting alone, determine the fair market rental for the Premises. Any appraiser designated hereunder shall have an MAI certification with not less than five (5) years experience in the valuation of commercial industrial buildings in Orange County, California.

Within thirty (30) days following the selection of the appraiser and such appraiser’s receipt of the Landlord’s Determination and the Tenant’s Determination, the appraiser shall determine whether

the rental rate determined by Landlord or by Tenant more accurately reflects the fair market rental rate for the 60-month renewal of the Lease for the Premises, as reasonably extrapolated to the commencement of the extension period. Accordingly, either the Landlord’s Determination or the Tenant’s Determination shall be selected by the appraiser as the fair market rental rate for the extension period. In making such determination, the appraiser shall consider rental comparables for the Project, but the appraiser shall not attribute any factor for brokerage commissions in making its determination of the fair market rental rate. At any time before the decision of the appraiser is rendered, either party may, by written notice to the other party, accept the rental terms submitted by the other party, in which event such terms shall be deemed adopted as the agreed fair market rental. The fees of the appraiser(s) shall be borne entirely by the party whose determination of the fair market rental rate was not accepted by the appraiser.

Within twenty (20) days after the determination of the fair market rental, Landlord shall prepare an appropriate amendment to this Lease for the extension period, and Tenant shall execute and return same to Landlord within twenty (20) days. Should the fair market rental not be established by the commencement of the extension period, then Tenant shall continue paying rent at the rate in effect during the last month of the initial Term, and a lump sum adjustment shall be made promptly upon the determination of such new rental.

If Tenant fails to timely comply with any of the provisions of this paragraph, Tenant’s right to extend the Term shall be extinguished and the Lease shall automatically terminate as of the expiration date of the Term, without any extension and without any liability to Landlord. Any attempt to assign or transfer any right or interest created by this paragraph except in connection with a “Permitted Transfer” (as defined in Section 9.4 hereof), shall be void from its inception. Tenant shall have no other right to extend the Term beyond the single sixty (60) month extension period created by this paragraph. Unless agreed to in a writing signed by Landlord and Tenant, any extension of the Term, whether created by an amendment to this Lease or by a holdover of the Premises by Tenant, or otherwise, shall be deemed a part of, and not in addition to, any duly exercised extension period permitted by this paragraph.

ARTICLE IV. RENT AND OPERATING EXPENSES

SECTION 4.1. BASIC RENT. From and after the Commencement Date, Tenant shall pay to Landlord without deduction or offset, Basic Rent for the Premises in the total amount shown (including subsequent adjustments, if any) in Item 6 of the Basic Lease Provisions. Any rental adjustment shown in Item 6 shall be deemed to occur on the specified monthly anniversary of the Commencement Date, whether or not that date occurs at the end of a calendar month. The rent shall be due and payable in advance commencing on the Commencement Date (as prorated for any partial month) and continuing thereafter on the first day of each successive calendar month of the Term. No demand, notice or invoice shall be required for the payment of Basic Rent. An installment of rent in the amount of one (1) full month’s Basic Rent at the initial rate specified in Item 6 of the Basic Lease Provisions shall be delivered to Landlord concurrently with Tenant’s execution of this Lease and shall be applied against the Basic Rent first due hereunder.

SECTION 4.2. OPERATING EXPENSES.

(a) Tenant shall pay to Landlord, as additional rent, “Building Costs” and “Property Taxes,” as those terms are defined below, incurred by Landlord in the operation of the Building and the Site. For convenience of reference, Property Taxes and Building Costs shall be referred to collectively as “Operating Expenses”.

(b) Commencing prior to the start of the first full “Expense Recovery Period” (as defined below) of the Lease, and prior to the start of each full or partial Expense Recovery Period thereafter, Landlord shall give Tenant a written estimate of the amount of Operating Expenses for the Expense Recovery Period. Tenant shall pay the estimated amounts to Landlord in equal monthly installments, in advance, with Basic Rent. If Landlord has not furnished its written estimate for any Expense Recovery Period by the time set forth above, Tenant shall continue to pay cost reimbursements at the rates established for the prior Expense Recovery Period, if any; provided that when the new estimate is delivered to Tenant, Tenant shall, at the next monthly payment date, pay any accrued cost reimbursements based upon the new estimate. For purposes hereof, “Expense Recovery Period” shall mean every twelve month period during the Term (or portion thereof for the first and last lease years) commencing July 1 and ending June 30.

(c) Within one hundred twenty (120) days after the end of each Expense Recovery Period, Landlord shall furnish to Tenant a statement showing in reasonable detail the actual or prorated Operating Expenses incurred by Landlord during the period, and the parties shall within

thirty (30) days thereafter make any payment or allowance necessary to adjust Tenant’s estimated payments, if any, to Tenant’s actual owed amounts as shown by the annual statement. Any delay or failure by Landlord in delivering any statement hereunder shall not constitute a waiver of Landlord’s right to require Tenant to pay Operating Expenses pursuant hereto. Any amount due Tenant shall be credited against installments next coming due under this Section 4.2, and any deficiency shall be paid by Tenant together with the next installment. If Tenant has not made estimated payments during the Expense Recovery Period, any amount owing by Tenant pursuant to subsection (a) above shall be paid to Landlord in accordance with Article XVI. Should Tenant fail to object in writing to Landlord’s determination of actual Operating Expenses within sixty (60) days following delivery of Landlord’s expense statement, Landlord’s determination of actual Operating Expenses for the applicable Expense Recovery Period shall be conclusive and binding on the parties and any future claims to the contrary shall be barred.

Landlord agrees that it will maintain complete and accurate records of all costs, expenses and disbursements paid or incurred by Landlord, its employees, agents and/or contractors, with respect to the Operating Expenses. Provided Tenant is not then in default under this Lease, Tenant shall have the right to have Tenant’s financial officer, a trained accountant (which may be an employee of Tenant) or a certified public accountant to audit Landlord’s Operating Expenses, subject to the terms and conditions hereof. In no event, however, shall such auditor be compensated by Tenant on a “contingency” basis, or on any other basis tied to the results of said audit. Tenant shall give notice to Landlord of Tenant’s intent to audit within sixty (60) days following delivery of Landlord’s expense statement for each of the Expense Recovery Periods. Following reasonable notice to Landlord, such audit shall be conducted at a mutually agreeable time during normal business hours at the office of Landlord or its management agent where the records are maintained. If Tenant’s audit determines that actual Operating Expenses have been overstated by more than five percent (5%), then subject to Landlord’s right to review and/or contest the audit results, Landlord shall reimburse Tenant for the reasonable out-of-pocket costs of such audit. Tenant’s rent shall be appropriately adjusted to reflect any overstatement in Operating Expenses. In the event of a dispute between Landlord and Tenant regarding the results of such audit, either party may elect to submit the matter for binding arbitration with JAMS/ENDISPUTE, as provided in Section 22.7 of this Lease.

All of the information obtained by Tenant and/or its auditor in connection with such audit, as well as any compromise, settlement, or adjustment reached between Landlord and Tenant as a result thereof, shall be held in strict confidence and, except as may be required pursuant to litigation and except for inadvertent disclosures despite Tenant’s reasonable efforts to keep the disclosed information confidential, shall not be disclosed to any third party, directly or indirectly, by Tenant or its auditor or any of their officers, agents or employees. Landlord may require Tenant’s auditor to execute a separate confidentiality agreement affirming the foregoing as a condition precedent to any audit.

(d) Even though the Lease has terminated and the Tenant has vacated the Premises, when the final determination is made of Operating Expenses for the Expense Recovery Period in which the Lease terminates, Tenant shall upon notice pay the entire increase due over the estimated expenses paid. Conversely, any overpayment made in the event expenses decrease shall be rebated by Landlord to Tenant.

(e) If, at any time during any Expense Recovery Period, any one or more of the Operating Expenses are increased to a rate(s) or amount(s) in excess of the rate(s) or amount(s) used in calculating the estimated expenses for the year, then the estimate of Operating Expenses shall be increased for the month in which such rate(s) or amount(s) becomes effective and for all succeeding months by an amount equal to the increase. Landlord shall give Tenant written notice of the amount or estimated amount of the increase, the month in which the increase will become effective, and the month for which the payments are due. Tenant shall pay the increase to Landlord as a part of Tenant’s monthly payments of estimated expenses as provided in paragraph (b) above, commencing from and after Landlord’s notice to Tenant with the month in which such increase shall be in effect.

(f) The term “Building Costs” shall include all expenses of operation and maintenance of the Building and all landscaping, walkways, parking areas and lighting of the Site, to the extent such expenses are not billed to and paid directly by Tenant, and shall include the following charges by way of illustration but not limitation: water and sewer charges; insurance premiums or reasonable premium equivalents should Landlord elect to self-insure any risk that Landlord is authorized to insure hereunder; license, permit, and inspection fees; heat; light; power; air conditioning; supplies; materials; equipment; tools; the cost of any environmental, insurance, tax or other consultant utilized by Landlord in connection with the Building and/or the Site; establishment of reasonable reserves for replacements and/or repair of the Building and/or the Site; costs incurred

in connection with compliance of any laws or changes in laws applicable to the Building or the Site; the cost of any capital investments (other than tenant improvements for specific tenants) to the extent of the amortized amount thereof over the useful life of such capital investments calculated at a market cost of funds, all as reasonably determined by Landlord, for each such year of useful life during the Term; labor; reasonably allocated wages and salaries, fringe benefits, and payroll taxes for administrative and other personnel directly applicable to the Building and/or the Site, including both Landlord’s personnel and outside personnel; any expense incurred pursuant to Sections 6.1, 6.2, 6.3, 7.2, and 10.2; and a reasonable overhead/management fee for the professional operation of the Building and the Site. Notwithstanding anything to the contrary contained herein, the amount of such overhead/management fee to be charged to Tenant shall be determined by multiplying the actual fee charged (which from time to time may be with respect to the Building only, or the Building together with other properties owned by Landlord and/or its affiliates) by a fraction, the numerator of which is the floor area of the Premises (as set forth in Item No. 8 of the Basic Lease Provisions) and the denominator of which is the total square footage of space charged with such fee actually leased to tenants (including Tenant). It is understood that Building Costs shall include competitive charges for direct services provided by any subsidiary or division of Landlord, and may include the Building’s or the Site’s proportionate share of the cost of maintenance or repair contracts which cover the Building and/or the Site and other buildings and/or projects in Landlord’s portfolio, as reasonably allocated by Landlord.

(g) The term “Property Taxes” as used herein shall include the following: (i) all real estate taxes or personal property taxes, as such property taxes may be reassessed from time to time; and (ii) other taxes, charges and assessments which are levied with respect to this Lease or to the Building and/or the Site, and any improvements, fixtures and equipment and other property of Landlord located in the Building and/or on the Site, except that general net income and franchise taxes imposed against Landlord shall be excluded; and (iii) all assessments and fees for public improvements, services, and facilities and impacts thereon, including without limitation arising out of any Community Facilities Districts, “Mello Roos” districts, similar assessment districts, and any traffic impact mitigation assessments or fees; (iv) any tax, surcharge or assessment which shall be levied in addition to or in lieu of real estate or personal property taxes, other than taxes covered by Article VIII; and (v) costs and expenses incurred in contesting the amount or validity of any Property Tax by appropriate proceedings.

SECTION 4.3. SECURITY DEPOSIT. Concurrently with Tenant’s delivery of this Lease, Tenant shall deposit with Landlord the sum, if any, stated in Item 9 of the Basic Lease Provisions, to be held by Landlord as security for the full and faithful performance of Tenant’s obligations under this Lease (the “Security Deposit”). Subject to the last sentence of this Section, the Security Deposit shall be understood and agreed to be the property of Landlord upon Landlord’s receipt thereof, and may be utilized by Landlord in its discretion towards the payment of all prepaid expenses by Landlord for which Tenant would be required to reimburse Landlord under this Lease, including without limitation brokerage commissions and Tenant Improvement costs. Upon any default by Tenant, including specifically Tenant’s failure to pay rent or to abide by its obligations under Sections 7.1 and 15.3 below, whether or not Landlord is informed of or has knowledge of the default, the Security Deposit shall be deemed to be automatically and immediately applied, without waiver of any rights Landlord may have under this Lease or at law or in equity as a result of the default, as a set off for full or partial compensation for Landlord’s damages arising from that default. If any portion of the Security Deposit is applied after a default by Tenant, Tenant shall within five (5) days after written demand by Landlord deposit cash with Landlord in an amount sufficient to restore the Security Deposit to its original amount. Landlord shall not be required to keep this Security Deposit separate from its general funds, and Tenant shall not be entitled to interest on the Security Deposit. If Tenant fully performs its obligations under this Lease, the Security Deposit or any balance thereof shall be returned to Tenant (or, at Landlord’s option, and unless otherwise expressly agreed to in the applicable consent to assignment agreement, to the last assignee of Tenant’s interest in this Lease) after the expiration of the Term, provided that Landlord may retain the Security Deposit to the extent and until such time as all amounts due from Tenant in accordance with this Lease have been determined and paid in full.

SECTION 4.4. LETTER OF CREDIT. In addition to the Security Deposit and as security hereunder, Tenant shall deliver to Landlord, concurrently with Tenant’s execution of this Lease, an irrevocable stand-by letter of credit in the amount of One Hundred Sixty Six Thousand Two Hundred Twenty-Nine Dollars ($166,229.00). Said letter of credit shall be in form and with the substance of Exhibit F attached hereto, and issued by Silicon Valley Bank or by another financial institution located in Orange County and which is acceptable to Landlord. The letter of credit shall either: (i) be issued with a fixed expiration date of December 31, 2005, or (ii) shall provide for automatic annual renewals through that date which is sixty (60) days after the Expiration Date of the

Term of this Lease. In the event the letter of credit is issued with an annual renewal obligation and the letter of credit is not renewed by the issuing financial institution on or before twenty (20) days prior to the then-scheduled expiration date of the letter of credit, then Landlord shall have the right to draw the full amount of such letter of credit and to hold such amount as part of the Security Deposit pursuant to Section 4.3 of this Lease. Upon any default by Tenant, including specifically Tenant’s failure to pay rent or to abide by its obligations under Sections 7.1 and 15.3 below and Tenant’s failure to cure the same within any applicable cure period, Landlord shall be entitled to draw upon said letter of credit by the issuance of Landlord’s sole written demand to the issuing financial institution. Such draw shall be in an amount necessary to cure the default in question and to compensate Landlord for all damages incurred thereby, as determined by Landlord in its sole and absolute discretion, and if such amount cannot be readily determined by Landlord, then the full amount of the letter of credit can be drawn by Landlord pending determination of said amount. Notwithstanding the foregoing, while the amount of any such draw shall be determined in Landlord’s sole and absolute discretion as provided in the foregoing, if the amount of any such draw(s) shall ultimately exceed the amount of damages actually incurred by Landlord as the result of Tenant’s default (as determined pursuant to the applicable provisions of Article XIV of this Lease), then Landlord shall promptly refund any such excess to Tenant. Any such draw shall be without waiver or any rights Landlord may have under this Lease or at law or in equity as a result of the default, as a setoff for full or partial compensation for the default. If any portion of the letter of credit is drawn after a default by Tenant, Tenant shall within five (5) days after written demand by Landlord restore the letter of credit. Failure to so restore said letter of credit within said five (5) days shall be a default by Tenant under this Lease. Partial drawings upon said letter of credit shall be permitted.

In the event that Tenant has not been in default under the Lease (beyond the expiration of any applicable cure period) at any time during the Term hereof, and provided further that Tenant has not at any time been more than five (5) days late more than once during the applicable previous twelve (12)-month period with respect to any payments of rent due under the Lease, then upon the written request of Tenant, Landlord shall authorize in writing consecutive reductions to the principal amount of the letter of credit in the amount of Thirty Three Thousand Two Hundred Forty-Six Dollars ($33,246.00) each upon the expiration of the twelfth (12th), twenty-fourth (24th), thirty-sixth (36th), and forty-eighth (48th) months of the Term.

ARTICLE V. USES

SECTION 5.1. USE. Tenant shall use the Premises only for the purposes stated in Item 3 of the Basic Lease Provisions, all in accordance with applicable laws and restrictions and pursuant to approvals to be obtained by Tenant from all relevant and required governmental agencies and authorities, The parties agree that any contrary use shall be deemed to cause material and irreparable harm to Landlord and shall entitle Landlord to injunctive relief in addition to any other available remedy. Tenant, at its expense, shall procure, maintain and make available for Landlord’s inspection throughout the Term, all governmental approvals, licenses and permits required for the proper and lawful conduct of Tenant’s permitted use of the Premises. Tenant shall not use or allow the Premises to be used for any unlawful purpose, nor shall Tenant permit any nuisance or commit any waste in the Premises or the Site. Tenant shall not do or permit to be done anything which will invalidate or increase the cost of any insurance policy(ies) covering the Building, the Site and/or their contents, and shall comply with all applicable insurance underwriters rules and the requirements of the Pacific Fire Rating Bureau or any other organization performing a similar function. Tenant shall comply at its expense with all present and future laws, ordinances, restrictions, regulations, orders, rules and requirements of all governmental authorities that pertain to Tenant or its use of the Premises, including without limitation all federal and state occupational health and safety requirements, whether or not Tenant’s compliance will necessitate expenditures or interfere with its use and enjoyment of the Premises. Tenant shall comply at its expense with all present and future covenants, conditions, easements or restrictions now or hereafter affecting or encumbering the Building and/or the Site, and any amendments or modifications thereto, including without limitation the payment by Tenant of any periodic or special dues or assessments charged against the Premises or Tenant which may be allocated to the Premises or Tenant in accordance with the provisions thereof. Tenant shall promptly upon demand reimburse Landlord for any additional insurance premium charged by reason of Tenant’s failure to comply with the provisions of this Section, and shall indemnify Landlord from any liability and/or expense resulting from Tenant’s noncompliance. As used in this Section 5.1, the term “permit” shall be deemed to mean “knowingly permit” in connection with anything that Tenant permits to be done on or about the Site, as opposed to the Premises itself. Notwithstanding anything to the contrary contained in this Section 5.1, in the event Tenant’s obligation for compliance with all future and present laws, ordinances, restrictions, regulations, orders, rules and requirements of all governmental authorities, and with all present and future covenants, conditions, easements or restrictions now or hereafter affecting or encumbering the

Building and/or the Site, results in a capital improvement on Tenant’s part (or Tenant’s being obligated to reimburse Landlord for a capital improvement), Tenant shall only be responsible for the amortized cost of such capital improvement (amortized at a market cost of funds as reasonably determined by Landlord) over the useful life of said improvement during the Term, except in the event each obligation for capital improvement is required due to Tenant’s particular use of the Premises, (in which case Tenants shall be fully responsible for the entire cost and installation of each capital investment).

SECTION 5.2. SIGNS. Provided Tenant continues to occupy the entire floor area of the Premises, Tenant shall have the exclusive right to install one (1) building top exterior sign on the Building in a location designated by Landlord, subject to Landlord’s right of prior approval that such exterior signage is in compliance with the Signage Criteria (defined below). Except as provided in the foregoing or as otherwise approved in writing by Landlord, in its sole discretion, Tenant shall have no right to maintain identification signs in any location in, on or about the Premises, the Building or the Site and shall not place or erect any signs, displays or other advertising materials that are visible from the exterior of the Building. The size, design, graphics, material, style, color and other physical aspects of any permitted sign shall be subject to Landlord’s written approval prior to installation (which approval may be withheld in Landlord’s discretion), any covenants, conditions or restrictions encumbering the Premises, Landlord’s signage program for the Site, as in effect from time to time and approved by the City of Irvine (“Signage Criteria”), and any applicable municipal or other governmental permits and approvals. Tenant acknowledges having received and reviewed a copy of the current Signage Criteria for the Site. Tenant shall be responsible for the cost of any permitted sign, including the fabrication, installation, maintenance and removal thereof. If Tenant fails to maintain its sign, or if Tenant fails to remove same upon termination of this Lease and repair any damage caused by such removal, Landlord may do so at Tenant’s expense.

SECTION 5.3. HAZARDOUS MATERIALS.

(a) For purposes of this Lease, the term “Hazardous Materials” includes (i) any “hazardous materials” as defined in Section 25501(n) of the California Health and Safety Code, (ii) any other substance or matter which results in liability to any person or entity from exposure to such substance or matter under any statutory or common law theory, and (iii) any substance or matter which is in excess of permitted levels set forth in any federal, California or local law or regulation pertaining to any hazardous or toxic substance, material or waste.

(b) Tenant shall not cause or permit any Hazardous Materials to be brought upon, stored, used, generated, released or disposed of on, under, from or about the Premises or the Site (including without limitation the soil and groundwater thereunder) without the prior written consent of Landlord. Notwithstanding the foregoing, Tenant shall have the right, without obtaining prior written consent of Landlord, to utilize within the Premises standard household cleaning products and office products that may contain 1-lazardous Materials (such as photocopy toner, “White Out”, and the like), provided however , that (i) Tenant shall maintain such products in their original retail packaging, shall follow all instructions on such packaging with respect to the storage, use and disposal of such products, and shall otherwise comply with all applicable laws with respect to such products, and (ii) all of the other terms and provisions of this Section 5.3 shall apply with respect to Tenant’s storage, use and disposal of all such products. Landlord may, in its sole discretion, place such conditions as Landlord deems appropriate with respect to any such Hazardous Materials, and may further require that Tenant demonstrate that any such Hazardous Materials are necessary or useful to Tenant’s business and will be generated, stored, used and disposed of in a manner that complies with all applicable laws and regulations pertaining thereto and with good business practices. Tenant understands that Landlord may utilize an environmental consultant to assist in determining conditions of approval in connection with the storage, generation, release, disposal or use of Hazardous Materials by Tenant on or about the Premises, and/or to conduct periodic inspections of the storage, generation, use, release and/or disposal of such Hazardous Materials by Tenant on and from the Premises, and Tenant agrees that any costs incurred by Landlord in connection therewith, to the extent of a violation by Tenant of the provisions of this Section 5.3 of the Lease, shall be reimbursed by Tenant to Landlord as additional rent hereunder upon demand.

(c) Prior to the execution of this Lease, Tenant shall complete, execute and deliver to Landlord an Environmental Questionnaire and Disclosure Statement (the “Environmental Questionnaire”) in the form of Exhibit B attached hereto. Landlord hereby consents to the use by Tenant of the kinds and quantities of Hazardous Materials shown in the foregoing-delivered Environmental Questionnaire, provided Tenant shall comply with all applicable laws and regulations pertaining to the generation, storage, use and disposal of such Hazardous Materials. The completed Environmental Questionnaire shall be deemed incorporated into this Lease for all purposes, and

Landlord shall be entitled to rely fully on the information contained therein. On each anniversary of the Commencement Date until the expiration or sooner termination of this Lease, Tenant shall disclose to Landlord in writing the names and amounts of all Hazardous Materials which were stored, generated, used, released and/or disposed of on, under or about the Premises for the twelve-month period prior thereto, and which Tenant desires to store, generate, use, release and/or dispose of on, under or about the Premises for the succeeding twelve-month period. In addition, to the extent Tenant is permitted to utilize hazardous Materials upon the Premises, Tenant shall promptly provide Landlord with complete and legible copies of all the following environmental documents relating thereto: reports filed pursuant to any self-reporting requirements; permit applications, permits, monitoring reports, workplace exposure and community exposure warnings or notices and all other reports, disclosures, plans or documents (even those which may be characterized as confidential) relating to water discharges, air pollution, waste generation or disposal, and underground storage tanks for hazardous Materials; orders, reports, notices, listings and correspondence (even those which may be considered confidential) of or concerning the release, investigation of, compliance, cleanup, remedial and corrective actions, and abatement of Hazardous Materials; and all complaints, pleadings and other legal documents filed by or against Tenant related to Tenant’s use, handling, storage, release and/or disposal of Hazardous Materials.

(d) Landlord and its agents shall have the right, but not the obligation, to inspect, sample and/or monitor the Premises, the Site and/or the soil or groundwater thereunder at any time to determine whether Tenant is complying with the terms of this Section 5.3, and in connection therewith Tenant shall provide Landlord with full access to all relevant facilities, records and personnel. If Tenant is not in compliance with any of the provisions of this Section 5.3, or in the event of a release of any Hazardous Material on, under or about the Premises and/or the Site caused or permitted by Tenant, its agents, employees, contractors, licensees or invitees, Landlord and its agents shall have the right, but not the obligation, without limitation upon any of Landlord’s other rights and remedies under this Lease, to immediately enter upon the Premises and/or the Site without notice and to discharge Tenant’s obligations under this Section 5.3 at Tenant’s expense, including without limitation the taking of emergency or long-term remedial action. Landlord and its agents shall endeavor to minimize interference with Tenant’s business in connection therewith, but shall not be liable for any such interference. In addition, Landlord, at Tenant’s expense, shall have the right, but not the obligation, to join and participate in any legal proceedings or actions initiated in connection with any claims arising out of the storage, generation, use, release and/or disposal by Tenant or its agents, employees, contractors, licensees or invitees of Hazardous Materials on, under, from or about the Premises and/or the Site.

(e) If the presence of any Hazardous Materials on, under, from or about the Premises or the Site caused or permitted by Tenant or its agents, employees, contractors, licensees or invitees results in (i) injury to any person, (ii) injury to or any contamination of the Premises or the Site, or (iii) injury to or contamination of any real or personal property wherever situated, Tenant, at its expense, shall promptly take all actions necessary to return the Premises and the Site and any other affected real or personal property owned by Landlord to the condition existing prior to the introduction of such Hazardous Materials and to remedy or repair any such injury or contamination, including without limitation, any cleanup, remediation, removal, disposal, neutralization or other treatment of any such Hazardous Materials. Notwithstanding the foregoing, Tenant shall not, without Landlord’s prior written consent, take any remedial action in response to the presence of any Hazardous Materials on, under or about the Premises or the Site or any other affected real or personal property owned by Landlord or enter into any similar agreement, consent, decree or other compromise with any governmental agency with respect to any Hazardous Materials claims; provided however, Landlord’s prior written consent shall not be necessary in the event that the presence of Hazardous Materials on, under or about the Premises or the Site or any other affected real or personal property owned by Landlord (i) imposes an immediate threat to the health, safety or welfare of any individual or (ii) is of such a nature that an immediate remedial response is necessary and it is not possible to obtain Landlord’s consent before taking such action. To the fullest extent permitted by law, Tenant shall indemnify, hold harmless, protect and defend (with attorneys acceptable to Landlord) Landlord and any successors to all or any portion of Landlord’s interest in the Premises and the Site and any other real or personal property owned by Landlord from and against any and all liabilities, losses, damages, diminution in value, judgments, fines, demands, claims, recoveries, deficiencies, costs and expenses (including without limitation attorneys’ fees, court costs and other professional expenses), whether foreseeable or unforeseeable, arising directly or indirectly out of the use, generation, storage, treatment, release, on- or off-site disposal or transportation of Hazardous Materials on, into, from, under or about the Premises, the Building and the Site and any other real or personal property owned by Landlord caused or permitted by Tenant, its agents, employees, contractors, licensees or invitees, specifically including without limitation the cost of any required or necessary repair, restoration, cleanup or detoxification of the Premises, the

Building and the Site and any other real or personal property owned by Landlord, and the preparation of any closure or other required plans, whether or not such action is required or necessary during the Term or after the expiration of this Lease. If Landlord at any time discovers that Tenant or its agents, employees, contractors, licensees or invitees may have caused or permitted the release of a Hazardous Material on, under, from or about the Premises or the Site or any other real or personal property owned by Landlord, Tenant shall, at Landlord’s request, immediately prepare and submit to Landlord a comprehensive plan, subject to Landlord’s approval, specifying the actions to be taken by Tenant to return the Premises or the Site or any other real or personal property owned by Landlord to the condition existing prior to the introduction of such Hazardous Materials. Upon Landlord’s approval of such cleanup plan, Tenant shall, at its expense, and without limitation of any rights and remedies of Landlord under this Lease or at law or in equity, immediately implement such plan and proceed to cleanup such Hazardous Materials in accordance with all applicable laws and as required by such plan and this Lease. The provisions of this subsection (e) shall expressly survive the expiration or sooner termination of this Lease. As used in this Section 5.3(e), the terms “permit” and “permitted” shall be deemed to mean “knowingly permit” and “knowingly permitted” in connection with anything that Tenant permits, or has permitted, to be done on or about the Site, as opposed to the Premises itself.

(f) Landlord hereby discloses to Tenant, and Tenant hereby acknowledges, certain facts relating to Hazardous Materials at the Site known by Landlord to exist as of the date of this Lease, as more particularly described in Exhibit C attached hereto. Tenant shall have no liability or responsibility with respect to the Hazardous Materials conditions described in Exhibit C , nor with respect to any Hazardous Materials which Tenant proves: (i) were not caused or permitted by Tenant, its agents, employees, contractors, licensees or invitees; (ii) were the result of violations of any “hazardous Materials Laws” (as hereinafter defined) relating to the Premises, the Building, or the Site (the Premises, the Building, and the Site shall be collectively referred to herein as the “Property”) which violations existed as of the Commencement Date, or (iii) were present in, on, tinder or about any part of the Property as of the Commencement Date, or that were brought into, onto, about, or under any part of the Property by anyone other than Tenant or its agents, employees, contractors, licensees or invitees. “Hazardous Materials Laws” shall mean and include all federal, state, and local laws relating to the environment or to Hazardous Materials, including, but not limited to, the Comprehensive Environmental Response, Compensation and Liability Act of 1980 (42 U.S.C. Section 9601 et. seq .), each as amended from time to time. Notwithstanding the foregoing, Tenant agrees to notify its agents, employees, contractors, licensees, and invitees of any exposure or potential exposure to Hazardous Materials at the Premises that Landlord brings to Tenant’s attention.

(g) To “Landlord’s knowledge” (as hereinafter defined), Landlord has complied, and the Property is in compliance as of the date of this Lease, with all Hazardous Materials Laws, and no notice of violation of any Hazardous Materials Law with respect thereto, or any permit, license or other authorization relating thereto has been received, nor is any such notice pending or, to Landlord’s knowledge, threatened. To Landlord’s knowledge, no underground or above-ground storage tanks or surface impoundments are located on or under any part of the Property. Except in compliance with hazardous Materials Laws, neither Landlord, nor to Landlord’s knowledge, any prior owner, operator, tenant or occupant of any part of the Property, has generated, used, treated, spilled, stored, transferred, disposed, released or caused a threatened release in, at, under, into, from, to or on any part of the Property of any Hazardous Materials. Except as disclosed to Tenant, Landlord has not received any notice or claim to the effect that either Landlord or any part of the Property is or may be liable to any governmental authority or private party as a result of the release or threatened release of any Hazardous Materials. As used herein, “Landlord’s knowledge” shall mean the actual knowledge, as of the Commencement Date of this Lease, of the current employees of Landlord charged with responsibility for the environmental compliance of the Property with Hazardous Materials Laws, but without obligation whatsoever for on- or off-site inquiry, investigation or inspection.

(h) Landlord shall take responsibility, at its sole cost and expense, for any governmentally-ordered clean-up, remediation, removal, disposal, neutralization, monitoring or other treatment of the Hazardous Materials conditions disclosed on EXHIBIT C attached hereto, and in connection with other Hazardous Materials which were present in, on under or about any part of the Property as of the Commencement Date. The foregoing obligation on the part of Landlord shall include the reasonable costs (including, without limitation, reasonable attorney’s fees) of defending Tenant (with attorneys reasonably acceptable to Tenant) from and against any legal action or proceeding instituted by any governmental agency in connection with such clean-up, remediation, removal, disposal, neutralization or other treatment of such conditions, provided that Tenant promptly tenders such defense to Landlord. The obligation on the part of Landlord contained in this Section 5.3(h) is personal to The Irvine Company and shall not be binding on, nor inure against any

successor in interest to The Irvine Company as of the owner of the Premises, including without limitation, any lender acquiring the Premises by foreclosure of its mortgage or deed of trust or deed in lieu of foreclosure.

ARTICLE VI. SERVICES AND PARKING

SECTION 6.1. UTILITIES AND SERVICES. Tenant shall be responsible for and shall pay promptly, directly to the appropriate supplier, all charges for water, gas, electricity, sewer, heat, light, power, telephone, refuse pickup, janitorial service, interior landscape maintenance and all other utilities, materials and services furnished directly to Tenant or the Premises or used by Tenant in, on or about the Premises during the Term, together with any taxes thereon. Landlord shall not be liable for damages or otherwise for any failure or interruption of any utility or other service furnished to the Premises, and no such failure or interruption shall be deemed an eviction or entitle Tenant to terminate this Lease or withhold or abate any rent due hereunder. Notwithstanding the foregoing, if as a result of the actions of Landlord, its agents, contractors or employees, for more than three (3) consecutive business days following written notice to Landlord, there is no HVAC or electricity services to the Premises, or such an interruption of other essential utilities and building services, such as fire protection or water, so that the Premises cannot be used by Tenant, in Tenant’s judgment reasonably exercised, then Tenant’s Basic Rent shall thereafter be abated until the Premises are again usable by Tenant; provided, however, that if Landlord is diligently pursuing the repair of such utilities or services and Landlord provides substitute services reasonably suitable for Tenant’s purposes, as for example, bringing in portable air-conditioning equipment, then there shall not be an abatement of Basic Rent. Any disputes concerning the foregoing shall be resolved by JAMS arbitration pursuant to Section 22.7 of this Lease. The foregoing provisions shall not apply in case of damage to, or destruction of, the Premises, which shall be governed by the provisions of Article XI of the Lease. Landlord shall, upon at least 24 hours prior notice to Tenant and during normal business hours (except in cases of emergency), have free access to all electrical and mechanical installations of Landlord.

SECTION 6.2. PARKING. Tenant shall be entitled to the number of vehicle parking spaces on the Site set forth in Item 14 of the Basic Lease Provisions. Tenant shall not permit or allow any vehicles that belong to or are controlled by Tenant or Tenant’s employees, suppliers, shippers, customers or invitees to be loaded, unloaded or parked in areas other than those designated by Landlord for such activities. If Tenant permits or allows any of the prohibited activities described above, then Landlord shall have the right, without notice, in addition to such other rights and remedies that Landlord may have, to remove or tow away the vehicle involved and charge the costs to Tenant. Parking shall be limited to striped parking stalls, and no parking shall be permitted in any driveways, access ways or in any area which would prohibit or impede the free flow of traffic within the Site. There shall be no parking of any vehicles of any kind for longer than 48-hour periods unless otherwise authorized by Landlord, and vehicles which have been abandoned or parked in violation of the terms hereof may be towed away at the owner’s expense. Except as expressly provided in Section 10.3(b) of this Lease, nothing contained in this Lease shall be deemed to create liability upon Landlord for any damage to motor vehicles of visitors or employees, for any loss of property from within those motor vehicles, or for any injury to Tenant, its visitors or employees. Landlord shall have the right to establish, and from time to time amend, and to enforce against all users all reasonable rules and regulations (including the designation of areas for employee parking) that Landlord may deem necessary and advisable for the proper and efficient operation and maintenance of parking within the Site. Landlord shall have the right to construct, maintain and operate lighting facilities within the parking areas; to change the area, level, location and arrangement of the parking areas and improvements therein; to enforce parking charges (by operation of meters or otherwise); and to do and perform such other acts in and to the parking areas and improvements therein as, in the use of good business judgment, Landlord shall determine to be advisable. Notwithstanding the foregoing, in no event shall Landlord enforce additional parking charges against Tenant during the initial 60-month Term of this Lease. Any person using the parking area shall observe all directional signs and arrows and any posted speed limits. Parking areas shall be used only for parking vehicles. Washing, waxing, cleaning or servicing of vehicles, or the storage of vehicles for longer than 48-hour periods, is prohibited unless otherwise authorized by Landlord. Tenant shall be liable for any damage to the parking areas caused by Tenant or Tenant’s employees, suppliers, shippers, customers or invitees, including without limitation damage from excess oil leakage. Tenant shall have no right to install any fixtures, equipment or personal property in the parking areas.

SECTION 6.3. CHANGES AND ADDITIONS BY LANDLORD. Landlord reserves the right to make alterations or additions to the Site, or to the attendant fixtures and equipment on the Site, in its reasonable discretion. No change shall entitle Tenant to any abatement of rent or other claim against Landlord, provided that the change does not deprive Tenant of reasonable access to or use of the Premises.

ARTICLE VII. MAINTAINING THE PREMISES

SECTION 7.1. TENANT’S MAINTENANCE AND REPAIR. Tenant at its sole expense shall comply with all applicable laws and governmental regulations governing the Premises and make all repairs necessary to keep the Premises in the condition as existed on the Commencement Date (or on any later date that the improvements may have been installed), excepting ordinary wear and tear, including without limitation the electrical and mechanical systems, any air conditioning, ventilating or heating equipment which serves the Premises, all walls, glass, windows, doors, door closures, hardware, fixtures, electrical, plumbing, fire extinguisher equipment and other equipment. Any damage or deterioration of the Premises shall not be deemed ordinary wear and tear if the same could have been prevented by good maintenance practices by Tenant. As part of its maintenance obligations hereunder, Tenant shall, at Landlord’s request, provide Landlord with copies of all maintenance schedules, reports and notices prepared by, for or on behalf of Tenant. Tenant shall obtain preventive maintenance contracts from a licensed heating and air conditioning contractor to provide for regular inspection and maintenance of the heating, ventilating and air conditioning systems servicing the Premises, all subject to Landlord’s approval. All repairs shall be at least equal in quality to the original work, shall be made only by a licensed contractor approved in writing in advance by Landlord (which approval shall not be unreasonably withheld), and shall be made only at the time or times approved by Landlord. Any contractor utilized by Tenant shall be subject to Landlord’s standard requirements for contractors, as modified from time to time. Landlord shall have the right at all times (upon at least 24 hours’ prior notice) to inspect Tenant’s maintenance of all equipment (including without limitation air conditioning, ventilating and heating equipment), and may impose reasonable restrictions and requirements with respect to repairs, as provided in Section 7.3, and the provisions of Section 7.4 shall apply to all repairs. Alternatively, Landlord may elect to make any repair or maintenance required hereunder on behalf of Tenant and at Tenant’s expense, and Tenant shall promptly reimburse Landlord for all costs incurred upon submission of an invoice. Notwithstanding anything to the contrary contained in this Section 7.1, in the event Tenant’s obligation for compliance with all applicable laws and governmental regulations, or making repairs, results in a capital improvement on Tenant’s part (or Tenant’s being obligated to reimburse Landlord for a capital improvement), Tenant shall only be responsible for the amortized cost of such capital improvement (amortized at a market cost of funds as reasonably determined by Landlord) over the useful life of such improvements during the Term (except in the event obligation for any such capital improvement is required due to Tenant’s particular use of the Premises, in which case Tenant shall be fully responsible for the entire cost and installation of such capital improvement).

SECTION 7.2. LANDLORD’S MAINTENANCE AND REPAIR. Subject to Section 7.1 and Article Xl, Landlord shall provide service, maintenance and repair with respect to the roof, foundations, and footings of the Building, all landscaping, walkways, parking areas and exterior lighting of the Site, and the exterior surfaces of the exterior walls of the Building, except that Tenant at its expense shall make all repairs which Landlord deems reasonably necessary as a result of the act or negligence of Tenant, its agents, employees, invitees, subtenants or contractors. Landlord shall have the right to employ or designate any reputable person or firm, including any employee or agent of Landlord or any of Landlord’s affiliates or divisions, to perform any service, repair or maintenance function. Landlord need not make any other improvements or repairs except as specifically required under this Lease, and nothing contained in this Section shall limit Landlord’s right to reimbursement from Tenant for maintenance, repair costs and replacement costs as provided elsewhere in this Lease. Tenant understands that it shall not make repairs at Landlord’s expense nor, in any event, by rental offset. Tenant further understands that Landlord shall not be required to make any repairs to the roof, foundations or footings unless and until Tenant has notified Landlord in writing of the need for such repair and Landlord shall have a reasonable period of time thereafter to commence and complete said repair, if warranted. All costs of any maintenance and repairs on the part of Landlord provided hereunder shall be considered part of Building Costs.

SECTION 7.3. ALTERATIONS. Tenant shall make no alterations, additions or improvements to the Premises without the prior written consent of Landlord, which consent may be given or withheld in Landlord’s sole discretion. Notwithstanding the foregoing, Landlord shall not unreasonably withhold its consent to any alterations, additions or improvements to the Premises which cost less than One Dollar ($1.00) per square foot of the improved portions of the Premises (excluding warehouse square footage) and do not (i) affect the exterior of the Building or outside areas (or be visible from adjoining sites), or (ii) affect or penetrate any of the structural portions of the Building, including but not limited to the roof, or (iii) require any change to the basic floor plan of the Premises, any change to any structural or mechanical systems of the Premises, or any

governmental permit as a prerequisite to the construction thereof, or (iv) interfere in any manner with the proper functioning of or Landlord’s access to any mechanical, electrical, plumbing or HVAC systems, facilities or equipment located in or serving the Building, or (v) diminish the value of the Premises. Landlord may impose, as a condition to its consent, any requirements that Landlord in its discretion may deem reasonable or desirable, including but not limited to a requirement that all work be covered by a lien and completion bond satisfactory to Landlord and requirements as to the manner, time, and contractor for performance of the work. Tenant shall obtain all required permits for the work and shall perform the work in compliance with all applicable laws, regulations and ordinances, all covenants, conditions and restrictions affecting the Premises and/or the Site, and the Rules and Regulations (hereafter defined) Tenant understands and agrees that Landlord shall be entitled to a supervision fee in the amount of five percent (5%) of the cost of any such work requiring a permit from the City of Irvine. If any governmental entity requires, as a condition to any proposed alterations, additions or improvements to the Premises by Tenant, that improvements be made to the outside areas of the Site, and if Landlord consents to such improvements to said outside areas, then Tenant shall, at Tenant’s sole expense, make such required improvements to the outside areas in such manner, utilizing such materials, and with such contractors (including, if required by Landlord, Landlord’s contractors) as Landlord may require in its sole discretion. Under no circumstances shall Tenant make any improvement which incorporates any Hazardous Materials, including without limitation asbestos-containing construction materials into the Premises. Any request for Landlord’s consent shall be made in writing and shall contain architectural plans describing the work in detail reasonably satisfactory to Landlord. Unless Landlord otherwise requires in writing, all alterations, additions or improvements affixed to the Premises (excluding moveable trade fixtures and furniture) shall become the property of Landlord and shall be surrendered with the Premises at the end of the Term, except that Landlord may, by notice to Tenant, require Tenant to remove by the Expiration Date, or sooner termination date of this Lease, all or any alterations, decorations, fixtures, additions, improvements and the like installed either by Tenant or by Landlord at Tenant’s request, and to repair any damage to the Premises arising from that removal. Any notice to Tenant pursuant to the foregoing shall be given by Landlord concurrently with its consent (following tenant’s request for such consent) for all or any alterations, decorations, fixtures or additions and the like. If such consent for such alterations decorations, fixtures, additions is either not requested by Tenant or is not given by Landlord, then any such notice of removal may be given at any time prior to sixty (60) days following the expiration or earlier termination of the Term of this Lease. Except as otherwise provided in this Lease or in any Exhibit to this Lease, should Landlord make any alteration or improvement to the Premises for Tenant, Landlord shall be entitled to prompt reimbursement from Tenant for all costs incurred.

SECTION 7.4. MECHANIC’S LIENS. Tenant shall keep the Premises free from any liens arising out of any work performed, materials furnished, or obligations incurred by or for Tenant. Upon request by Landlord, Tenant shall promptly cause any such lien to be released by posting a bond in accordance with California Civil Code Section 3143 or any successor statute. In the event that Tenant shall not, within thirty (30) days following the imposition of any lien, cause the lien to be released of record by payment or posting of a proper bond, Landlord shall have, in addition to all other available remedies, the right to cause the lien to be released by any means it deems proper, including payment of or defend against the claim giving rise to the lien. All expenses so incurred by Landlord, including Landlord’s attorneys’ fees, shall be reimbursed by Tenant promptly following Landlord’s demand, together with interest from the date of payment by Landlord at the maximum rate permitted by law until paid. Tenant shall give Landlord no less than twenty (20) days’ prior notice in writing before commencing construction of any kind on the Premises so that Landlord may post and maintain notices of nonresponsibility on the Premises.

SECTION 7.5. ENTRY AND INSPECTION. Landlord shall during normal business hours, upon at least 24 hours’ written or oral notice and with a Tenant escort if Tenant so chooses (except in emergencies, when no notice or escort shall be required) have the right to enter the Premises to inspect them, to supply services in accordance with this Lease, to protect the interests of Landlord in the Premises, and to submit the Premises to prospective or actual purchasers or encumbrance holders (or, during the last one hundred and eighty (180) days of the Term or when an uncured Tenant default exists, to prospec