Document:

exv10w18

 

EXHIBIT 10.18

CREDIT AGREEMENT

     THIS AGREEMENT is entered into as of December 15th, 2004, by and between
TEKELEC, a California corporation (“Borrower”), and WELLS FARGO BANK, NATIONAL ASSOCIATION
(“Bank”).

RECITALS

     Borrower has requested that Bank extend or continue credit to Borrower as described below, and
Bank has agreed to provide such credit to Borrower on the terms and conditions contained herein.

     NOW, THEREFORE, for valuable consideration, the receipt and sufficiency of which are hereby
acknowledged, Bank and Borrower hereby agree as follows:

As used herein, the following terms have the following meanings:

“Acceptable Securities” means securities and other investments that comply in all respects
with the Investment Policy.

“Business Day” means any day except a Saturday, Sunday or any other day on which commercial
banks in California are authorized or required by law to close.

“Intermediary” means Wells Fargo Capital Management, LLC or any successor thereto.

“Investment Policy” means Borrower’s investment policy dated as of December
18th, 2003, a copy of which is attached hereto as Exhibit A, without regard to any
changes made after such date to Borrower’s investment policy.

“Letter of Credit” has the meaning set forth in Section 1.1(b) hereof

“Letter of Credit Agreement” has the meaning set forth in Section 1.1(b) hereof

“Line of Credit” has the meaning set forth in Section 1.1(a) hereof.

“Line of Credit Note” has the meaning set forth in Section 1.1(a) hereof.

“OAC” means such lawful currency of a jurisdiction other than the United States in which
Bank, in its sole discretion, agrees to issue and denominate Letters of Credit.

“Loan Documents” means this Agreement and each promissory note, contract, instrument and
other document required hereby or at any time hereafter delivered to Bank in connection herewith.

“Pledged Account” means Borrower’s securities account number 15614401 maintained with
Intermediary.

“SEC” means the Securities and Exchange Commission or any successor thereto.

“Spot Rate” means, with respect to any currency, the rate quoted by the Bank as the spot
rate for the purchase by the Bank of such currency with another currency through its foreign
exchange desk at approximately 11:00 A.M. (San Francisco time) on the date two (2) Business Days
prior to the date as of which the foreign exchange computation is made.

“Sufficient Assets” means cash, cash equivalents and/or Acceptable Securities in an
aggregate face amount equal to 100% of the amount of a requested advance or USD-denominated Letter
of Credit or 120% of the USD Equivalent Amount of a OAC-denominated Letter of Credit.

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“Tangible Net Worth” means the aggregate of total stockholders’ equity plus subordinated
debt less any intangible assets.

“USD” means United States Dollars.

“USD Equivalent Amount” means, as of any date of determination, with respect to amounts
denominated in USD, the face amount thereof, and, with respect to amounts denominated in OAC, the
equivalent amount in USD as determined by the Bank at such time on the basis of the Spot Rate for
the purchase of USD with the applicable OAC.

ARTICLE I

CREDIT TERMS

     SECTION 1.1. LINE OF CREDIT.

     (a) Line of Credit. Subject to the terms and conditions of this Agreement, Bank
hereby agrees to make advances to Borrower from time to time up to and including December
15th, 2005, not to exceed at any time the aggregate principal amount of Thirty Million
Dollars ($30,000,000.00) (“Line of Credit”), the proceeds of which shall be used for working
capital and other general corporate purposes. Borrower’s obligation to repay advances under the
Line of Credit shall be evidenced by a promissory note dated as of December 15th, 2004
(“Line of Credit Note”), all terms of which are incorporated herein by this reference. Each
advance shall be in the minimum amount of $1,000,000.00.

     (b) Letter of Credit Subfeature. As a subfeature under the Line of Credit, Bank agrees
from time to time during the term thereof to issue or cause an affiliate to issue standby letters
of credit in either USD or OAC for the account of Borrower for corporate purposes (each, a “Letter
of Credit”); provided however, that the aggregate undrawn amount of, and the aggregate amount drawn
and not yet reimbursed under, all outstanding Letters of Credit shall not at any time exceed the
USD Equivalent Amount of Twenty Million Dollars ($20,000,000.00). The form and substance of each
Letter of Credit shall be subject to approval by Bank, in its reasonable discretion. Each Letter
of Credit shall be issued for a term not to exceed 12 months, as designated by Borrower; provided
however, that no Letter of Credit shall have an expiration date subsequent to the maturity date of
the Line of Credit. An amount equal to the sum of 100% of the undrawn amount of outstanding
USD-denominated Letters of Credit and 120% of the undrawn USD Equivalent Amount of outstanding
OAC-denominated Letters of Credit shall be reserved under the Line of Credit and shall not be
available for borrowings thereunder. Each Letter of Credit shall be subject to the additional
terms and conditions of the Letter of Credit agreements, applications and any related documents
required by Bank and agreed to by Borrower in connection with the issuance thereof. Each drawing
paid under a Letter of Credit shall be deemed an advance under the Line of Credit in the USD
Equivalent Amount of such drawing (which advance, until converted by Borrower to a “LIBOR”-based
advance, shall be a “Prime Rate”-based advance (both as defined in the Line of Credit Note) and
shall be repaid by Borrower in accordance with the terms and conditions of this Agreement
applicable to such advances; provided however, that if advances under the Line of Credit are not
available, for any reason, at the time any drawing is paid, then Borrower shall immediately pay to
Bank the full USD Equivalent Amount drawn, together with interest thereon from the date such
drawing is paid to the date such amount is fully repaid by Borrower, at the Prime Rate-based rate
of interest applicable to advances under the Line of Credit. In the event that Borrower fails to
pay the amounts set forth in the preceding sentence within 10 days of Bank’s demand therefor,
Borrower agrees that Bank, in its sole discretion, may debit any account maintained by Borrower
with Bank for the amount of any such drawing. In the event of a conflict between the terms of the
Letter of Credit Agreement and this Agreement, the terms of this Agreement shall prevail.

     (c) Borrowing and Repayment. Borrower may from time to time during the term of the
Line of Credit borrow, partially or wholly repay its outstanding borrowings, and reborrow, subject
to all of the limitations, terms and conditions contained herein or in the Line of Credit Note;
provided however, that the total

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outstanding borrowings under the Line of Credit shall not at any time exceed the maximum principal
amount available thereunder, as set forth above.

     SECTION 1.2. INTEREST/FEES.

     (a) Interest. The outstanding principal balance of the Line of Credit shall bear
interest at the rate of interest set forth in the Line of Credit Note.

     (b) Computation and Payment. Interest shall be computed on the basis of a 360-day
year, actual days elapsed. Interest shall be payable at the times and place set forth in each
promissory note or other instrument or document required hereby.

     (c) Unused Commitment Fee. Borrower shall pay to Bank a fee equal to twenty
hundredths of one percent (0.20%) per annum (computed on the basis of a 360-day year, actual days
elapsed) on the average daily unused amount of the Line of Credit, which fee shall be calculated on
a quarterly basis by Bank and shall be due and payable by Borrower in arrears within 10 days after
the last day of each calendar quarter.

     (d) Letter of Credit Fees. Borrower shall pay to Bank (i) fees upon the issuance of each
Letter of Credit equal to four-tenths percent (0.40%) per annum (computed on the basis of a 360-day
year, actual days elapsed) of the face amount thereof, and (ii) fees upon the payment or
negotiation of each drawing under any Letter of Credit and fees upon the occurrence of any other
activity with respect to any Letter of Credit (including without limitation, the transfer,
amendment or cancellation of any Letter of Credit) determined in accordance with Bank’s standard
fees and charges then in effect for such activity.

     SECTION 1.3. COLLECTION OF PAYMENTS. Borrower authorizes Bank to collect all interest and
fees due under each credit subject hereto by charging Borrower’s deposit account with Bank (the
number of which shall be assigned when such deposit account is established), or any other deposit
account maintained by Borrower with Bank, for the full amount thereof. Should there be
insufficient funds in any such deposit account to pay all such sums when due, the full amount of
such deficiency shall be immediately due and payable by Borrower. Until such deposit account is
established at Bank, Borrower shall pay all interest and fees within 10 days of its receipt of each
billing therefor. All principal shall be due and payable by Borrower at the times specified in
this Agreement and the other Loan Documents.

     SECTION 1.4. COLLATERAL.

     As security for all indebtedness of Borrower to Bank subject hereto, Borrower hereby grants to
Bank security interests of first priority in the Pledged Account.

All of the foregoing shall be evidenced by and subject to the terms of a security agreement, and
securities account control agreement, all in form and substance reasonably satisfactory to Bank.

ARTICLE II

REPRESENTATIONS AND WARRANTIES

     Borrower makes the following representations and warranties to Bank, which representations and
warranties shall survive the execution of this Agreement and shall continue in full force and
effect until the full and final payment, and satisfaction and discharge, of all obligations of
Borrower to Bank subject to this Agreement.

     SECTION 2.1. LEGAL STATUS. Borrower is a corporation, duly organized and existing and in good
standing under the laws of the State of California, and is qualified or licensed to do business
(and is in good standing as a foreign corporation, if applicable) in all jurisdictions in which
such qualification or licensing is required or in which the failure to so qualify or to be so
licensed could have a material adverse effect on Borrower.

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     SECTION 2.2. AUTHORIZATION AND VALIDITY. The Loan Documents have been duly authorized, and
upon their execution and delivery in accordance with the provisions hereof will constitute legal,
valid and binding agreements and obligations of Borrower or the party which executes the same,
enforceable in accordance with their respective terms, except as may be limited by: (x) bankruptcy,
insolvency or similar laws affecting the rights of creditors generally; and (y) general principles
of equity (regardless of whether considered in a proceeding in equity or at law).

     SECTION 2.3. NO VIOLATION. The execution, delivery and performance by Borrower of each of the
Loan Documents do not violate any provision of any applicable law or regulation, or contravene any
provision of the Articles of Incorporation or By-Laws of Borrower, or result in any breach of or
default under any contract, obligation, indenture or other instrument to which Borrower is a party
or by which Borrower may be bound.

     SECTION 2.4. LITIGATION. There are no pending, or to Borrower’s knowledge threatened,
actions, claims, investigations, suits or proceedings by or before any governmental authority,
arbitrator, court or administrative agency which could have a material adverse effect on the
financial condition or operation of Borrower other than those disclosed by Borrower to Bank in
writing prior to the date hereof.

     SECTION 2.5. CORRECTNESS OF FINANCIAL STATEMENT. The financial statement of Borrower dated
June 30, 2004, a true copy of which has been delivered by Borrower to Bank prior to the date
hereof, (a) is complete and correct and presents fairly the financial condition of Borrower, (b)
discloses all liabilities of Borrower that are required to be reflected or reserved against under
generally accepted accounting principles, whether liquidated or unliquidated, fixed or contingent,
and (c) has been prepared in accordance with generally accepted accounting principles consistently
applied. Since the date of such financial statement there has been no material adverse change in
the financial condition of Borrower.

     SECTION 2.6. INCOME TAX RETURNS. Borrower has no knowledge of any pending assessments or
adjustments of its income tax payable with respect to any year.

     SECTION 2.7. NO SUBORDINATION. There is no agreement, indenture, contract or instrument to
which Borrower is a party or by which Borrower may be bound that requires the subordination in
right of payment of any of Borrower’s obligations subject to this Agreement to any other obligation
of Borrower.

     SECTION 2.8. PERMITS, FRANCHISES. Borrower possesses, and will hereafter possess, all
permits, consents, approvals, franchises and licenses required and rights to all trademarks, trade
names, patents, and fictitious names, if any, necessary to enable it to conduct the business in
which it is now engaged in compliance with applicable law, except to the extent that non-compliance
with any of the foregoing could not reasonably be expected to have a material adverse effect on
Borrower’s financial condition of operations (a “Material Adverse Effect”).

     SECTION 2.9. ERISA. To the best of Borrower’s knowledge: Borrower is in compliance in all
material respects with all applicable provisions of the Employee Retirement Income Security Act of
1974, as amended or recodified from time to time (“ERISA”); Borrower has not violated any provision
of any defined employee pension benefit plan (as defined in ERISA) maintained or contributed to by
Borrower (each, a “Plan”); no Reportable Event as defined in ERISA has occurred and is continuing
with respect to any Plan initiated by Borrower; Borrower has met its minimum funding requirements
under ERISA with respect to each Plan; and each Plan will be able to fulfill its benefit
obligations as they come due in accordance with the Plan documents and under generally accepted
accounting principles.

     SECTION 2.10. OTHER OBLIGATIONS. Borrower is not in default under any obligation for borrowed
money, any purchase money obligation or any other material lease, commitment, contract, instrument
or obligation, which default could reasonably be expected to have a Material Adverse Effect.

     SECTION 2.11. ENVIRONMENTAL MATTERS. Except as disclosed by Borrower to Bank in writing prior
to the date hereof, to the best of Borrower’s knowledge, Borrower is in compliance in all material
respects with all applicable federal or state environmental, hazardous waste, health and safety
statutes, and any

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rules or regulations adopted pursuant thereto, which govern or affect any of Borrower’s operations
and/or properties, including without limitation, the Comprehensive Environmental Response,
Compensation and Liability Act of 1980, the Superfund Amendments and Reauthorization Act of 1986,
the Federal Resource Conservation and Recovery Act of 1976, and the Federal Toxic Substances
Control Act, as any of the same may be amended, modified or supplemented from time to time. To
Borrower’s knowledge, none of the operations of Borrower is the subject of any federal or state
investigation evaluating whether any remedial action involving a material expenditure is needed to
respond to a release of any toxic or hazardous waste or substance into the environment. Borrower
has no material contingent liability in connection with any release of any toxic or hazardous waste
or substance into the environment.

ARTICLE III

CONDITIONS

     SECTION 3.1. CONDITIONS OF INITIAL EXTENSION OF CREDIT. The obligation of Bank to extend any
credit contemplated by this Agreement is subject to the fulfillment to Bank’s reasonable
satisfaction of all of the following conditions:

     (a) Approval of Bank Counsel. All legal matters incidental to the extension of credit
by Bank shall be reasonably satisfactory to Bank’s counsel.

     (b) Documentation. Bank shall have received, in form and substance reasonably
satisfactory to Bank, each of the following, duly executed:

	 	(i)  	This Agreement.
	 
	 	(ii)  	Letter of Credit Agreement.
	 
	 	(iii)  	Line of Credit Note.
	 
	 	(iv)  	Corporate Resolution.
	 
	 	(v)  	Security Agreement.
	 
	 	(vi)  	Securities Account Control Agreement.
	 
	 	(vii)  	Such other documents as Bank may require under any other Section of this
Agreement.

     (c) Financial Condition. Since December 31, 2003, there shall have been no
material adverse change, as reasonably determined by Bank, in the financial condition or business
of Borrower.

     SECTION 3.2. CONDITIONS OF EACH EXTENSION OF CREDIT. The obligation of Bank to make each
extension of credit requested by Borrower hereunder shall be subject to the fulfillment to Bank’s
reasonable satisfaction of each of the following conditions:

     (a) Compliance. The representations and warranties contained herein and in each of
the other Loan Documents shall be true in all material respects on and as of the date of the
signing of this Agreement and on the date of each extension of credit by Bank pursuant hereto, with
the same effect as though such representations and warranties had been made on and as of each such
date, and on each such date, no Event of Default as defined herein, and no condition, event or act
which with the giving of notice or the passage of time or both would constitute such an Event of
Default, shall have occurred and be continuing or shall exist.

     (b) Notice of Borrowing. Bank shall have received a Notice of Borrowing, in the form
of Exhibit B hereto, with respect to each advance or an Application for Letter of Credit, in the
form of Exhibit C hereto, with respect to each Letter of Credit not later than seven (7) Business
Days prior to the date of a requested advance or Letter of Credit.

     (c) Collateral. Borrower shall have deposited Sufficient Assets into the Pledged
Account not later than seven (7) Business Days prior to the date of a requested advance or Letter
of Credit.

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     (d) Documentation. Bank shall have received all additional documents which may be
required hereunder in connection with such extension of credit.

ARTICLE IV

AFFIRMATIVE COVENANTS

     Borrower covenants that so long as Bank remains committed to extend credit to Borrower
pursuant hereto, or any liabilities (whether direct or contingent, liquidated or unliquidated) of
Borrower to Bank under any of the Loan Documents remain outstanding, and until payment in full of
all obligations of Borrower subject hereto, Borrower shall, unless Bank otherwise consents in
writing:

     SECTION 4.1. PUNCTUAL PAYMENTS. Punctually pay all principal, interest, fees or other
liabilities due under any of the Loan Documents at the times and place and in the manner specified
therein, and immediately upon written demand by Bank, the amount by which the outstanding principal
balance of any credit subject hereto at any time exceeds any limitation on borrowings applicable
thereto.

     SECTION 4.2. ACCOUNTING RECORDS. Maintain adequate books and records in accordance with
generally accepted accounting principles consistently applied, and permit any representative of
Bank, at any reasonable time and upon reasonable prior written notice, to inspect, audit and
examine such books and records, to make copies of the same, and to inspect the properties of
Borrower.

     SECTION 4.3. FINANCIAL STATEMENTS. Provide to Bank all of the following, in form and detail
reasonably satisfactory to Bank:

     (a) not later than 90 days after and as of the end of each fiscal year, an audited financial
statement of Borrower, prepared by certified public accountants acceptable to Bank, to include
balance sheet, income statement, statement of cash flows and footnotes, and within ten (10) days
after filing with the SEC, copies of Borrower’s filed 10K report for such year;

     (b) not later than 45 days after and as of the end of each fiscal quarter, a financial
statement of Borrower, prepared by Borrower, to include balance sheet, income statement and
statement of cash flows, and within ten (10) days after filing with the SEC, copies of Borrower’s
filed 10Q report for such quarter;

     (c) not later than ten (10) days after and as of the last day of each month, a copy of the
brokerage statement covering the Pledged Account (provided, however, that Borrower hereby
authorizes Bank to at any time obtain from Intermediary all details concerning the Pledged Account
as may be requested by Bank);

     (d) from time to time such other information as Bank may reasonably request.

     SECTION 4.4. COMPLIANCE. Preserve and maintain all licenses, permits, governmental approvals,
rights, privileges and franchises necessary for the conduct of its business; and comply with the
provisions of all documents pursuant to which Borrower is organized and/or which govern Borrower’s
continued existence and with the material requirements of all laws, rules, regulations and orders
of any governmental authority applicable to Borrower and/or its business.

     SECTION 4.5. INSURANCE. Maintain and keep in force insurance of the types and in amounts
customarily carried in lines of business similar to that of Borrower, including but not limited to
fire, extended coverage, public liability, flood, property damage and workers’ compensation, with
all such insurance carried with companies and in commercially reasonable amounts, and deliver to
Bank from time to time at Bank’s reasonable (but in no event more than one (1) time in any 12-month
period, unless an Event of Default exists) request schedules setting forth all insurance then in
effect.

     SECTION 4.6. FACILITIES. Keep all properties useful or necessary to Borrower’s business in
good repair and condition, and from time to time make necessary repairs, renewals and replacements
thereto so that such properties shall be fully and efficiently preserved and maintained.

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     SECTION 4.7. TAXES AND OTHER LIABILITIES. Pay and discharge when due any and all
indebtedness, obligations, assessments and taxes, both real or personal, including without
limitation federal and state income taxes and state and local property taxes and assessments,
except such (a) as Borrower may in good faith contest or as to which a bona fide dispute may arise,
and (b) for which Borrower has made provision, to Bank’s reasonable satisfaction, for eventual
payment thereof in the event Borrower is obligated to make such payment.

     SECTION 4.8. LITIGATION. Promptly give notice in writing to Bank of any litigation pending
or, to Borrower’s knowledge, threatened against Borrower with a claim in excess of $5,000,000.00.

     SECTION 4.9. FINANCIAL CONDITION. Maintain Borrower’s consolidated financial condition as
follows using generally accepted accounting principles consistently applied and used consistently
with prior practices (except to the extent modified by the definitions herein), with compliance
determined commencing with Borrower’s financial statements for the period ending September 30,
2004:

     (a) Tangible Net Worth, determined as of the end of each fiscal quarter, not less than an
amount equal to 80% of Borrower’s Tangible Net Worth as of September 30, 2004.

     SECTION 4.10. NOTICE TO BANK. Promptly (but in no event more than five (5) days after the
occurrence of each such event or matter) give written notice to Bank in reasonable detail of: (a)
the occurrence of any Event of Default, or any condition, event or act known to Borrower which with
the giving of notice or the passage of time or both would constitute an Event of Default; (b) any
change in the name or the organizational structure of Borrower; or (c) the occurrence and nature of
any Reportable Event or Prohibited Transaction, each as defined in ERISA, or any funding deficiency
with respect to any Plan.

ARTICLE V

NEGATIVE COVENANTS

     Borrower further covenants that so long as Bank remains committed to extend credit to Borrower
pursuant hereto, or any liabilities (whether direct or contingent, liquidated or unliquidated) of
Borrower to Bank under any of the Loan Documents remain outstanding, and until payment in full of
all obligations of Borrower subject hereto, Borrower will not without Bank’s prior written consent:

     SECTION 5.1. USE OF FUNDS. Use any of the proceeds of any credit extended hereunder except
for the purposes stated in Article I hereof.

     SECTION 5.2. INVESTMENTS. Make any investments other than as permitted in Section 5.3 or in
accordance with Borrower’s investment policy.

     SECTION 5.3. MERGER, CONSOLIDATION, ACQUISITION. Merge into or consolidate with any other
entity unless Borrower is the surviving entity and such merger has been approved by the Board Of
Directors of the other entity; make any substantial change in the nature of Borrower’s business as
conducted as of the date hereof; acquire the ownership interests in any entity unless the Board of
Directors of such entity has approved the acquisition.

     SECTION 5.4. PLEDGE OF ASSETS. Mortgage, pledge, grant or permit to exist a security interest
in, or lien upon, all or any portion of the Pledged Account, except in favor of Bank

ARTICLE VI

EVENTS OF DEFAULT

     SECTION 6.1. The occurrence of any of the following shall constitute an “Event of Default”
under this Agreement:

     (a) Borrower shall fail to pay when due any principal when due, or any interest, fees or other
amounts payable under any of the Loan Documents within five (5) days after the applicable due date.

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     (b) Any financial statement or certificate furnished to Bank in connection with, or any
representation or warranty made by Borrower or any other party on behalf of Borrower under this
Agreement or any other Loan Document shall prove to be incorrect, false or misleading in any
material respect when furnished or made.

     (c) Any default in the performance of or compliance with any obligation, agreement or other
provision contained herein or in any other Loan Document (other than those referred to in
subsections (a) and (b) above), and with respect to any such default which by its nature can be
cured, such default shall continue for a period of twenty (20) days after written notice from Bank
to Borrower, provided, however, that such written notice and 20 day period shall not be applicable
to a default consisting of a breach of Sections 4.3, 5.1, 5.2, 5.3 or 5.4 hereof, or of Borrower’ s
obligation to maintain the Collateral Value of the Pledged Account as defined and set forth in the
Addendum to Security Agreement executed by Borrower in connection with the Pledged Account.

     (d) Any default in the payment or performance of any obligation, or any defined event of
default, under the terms of any contract or instrument (other than any of the Loan Documents)
pursuant to which Borrower has incurred any debt or other liability to any person or entity,
including Bank, and, if the debt or other liability is owed to a party other than Bank, the amount
thereof exceeds $5,000,000.00 and as result of such default, the debt or liability is then due and
payable in full or holder of thereof has the right to declare the same due and payable in full.

     (e) The filing of a notice of judgment lien against Borrower; or the recording of any abstract
of judgment against Borrower in any county in which Borrower has an interest in real property; or
the service of a notice of levy and/or of a writ of attachment or execution, or other like process,
against the assets of Borrower; or the entry of a judgment against Borrower; and, with respect to
any of the foregoing, the amount involved exceeds $5,000,000.00.

     (f) Borrower shall become insolvent, or shall suffer or consent to or apply for the
appointment of a receiver, trustee, custodian or liquidator of itself or any of its property, or
shall generally fail to pay its debts as they become due, or shall make a general assignment for
the benefit of creditors; Borrower shall file a voluntary petition in bankruptcy, or seeking
reorganization, in order to effect a plan or other arrangement with creditors or any other relief
under the Bankruptcy Reform Act, Title 11 of the United States Code, as amended or recodified from
time to time (“Bankruptcy Code”), or under any state or federal law granting relief to debtors,
whether now or hereafter in effect; or any involuntary petition or proceeding pursuant to the
Bankruptcy Code or any other applicable state or federal law relating to bankruptcy, reorganization
or other relief for debtors is filed or commenced against Borrower (and a full dismissal of such
petition or proceeding is not effected within sixty (60) days after the date of filing of such
petition or commencement of such proceeding), or Borrower shall file an answer admitting the
jurisdiction of the court and the material allegations of any involuntary petition; or Borrower
shall be adjudicated a bankrupt, or an order for relief shall be entered against Borrower by any
court of competent jurisdiction under the Bankruptcy Code or any other applicable state or federal
law relating to bankruptcy, reorganization or other relief for debtors.

     (g) There shall exist or occur any event or condition which Bank in good faith believes
impairs, or is substantially likely to impair, the prospect of payment or performance by Borrower
of its material obligations under any of the Loan Documents.

     (h) The dissolution or liquidation of Borrower, or any of its directors, stockholders or
members, shall take action seeking to effect the dissolution or liquidation of Borrower.

     (i) Any change in ownership of an aggregate of thirty-five percent (35%) or more of the common
stock of Borrower in a single transaction or in a series of related transactions.

     SECTION 6.2. REMEDIES. Upon the occurrence of any Event of Default: (a) all indebtedness of
Borrower under each of the Loan Documents, any term thereof to the contrary notwithstanding, shall
at Bank’s option and without notice become immediately due and payable without presentment, demand,
protest or notice

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of dishonor, all of which are hereby expressly waived by each Borrower; (b) the obligation, if any,
of Bank to extend any further credit under any of the Loan Documents shall immediately cease and
terminate; and (c) Bank shall have all rights, powers and remedies available under each of the Loan
Documents, or accorded by law, including without limitation the right to resort to any or all
security for any credit subject hereto and to exercise any or all of the rights of a beneficiary or
secured party pursuant to applicable law. All rights, powers and remedies of Bank may be exercised
at any time by Bank and from time to time after the occurrence of an Event of Default, are
cumulative and not exclusive, and shall be in addition to any other rights, powers or remedies
provided by law or equity.

ARTICLE VII

MISCELLANEOUS

     SECTION 7.1. NO WAIVER. No delay, failure or discontinuance of Bank in exercising any right,
power or remedy under any of the Loan Documents shall affect or operate as a waiver of such right,
power or remedy; nor shall any single or partial exercise of any such right, power or remedy
preclude, waive or otherwise affect any other or further exercise thereof or the exercise of any
other right, power or remedy. Any waiver, permit, consent or approval of any kind by Bank of any
breach of or default under any of the Loan Documents must be in writing and shall be effective only
to the extent set forth in such writing.

     SECTION 7.2. NOTICES. All notices, requests and demands which any party is required or may
desire to give to any other party under any provision of this Agreement must be in writing
delivered to each party at the following address:

	 	 	 
	BORROWER:

	 	TEKELEC
	

	 	Treasury Department
	

	 	26580 West Agoura Rd
	

	 	Calabasas, CA 91302
	 
	 	 
	BANK:

	 	WELLS FARGO BANK, NATIONAL ASSOCIATION
	

	 	U.S. Corporate Banking Group, MAC E2818-163
	

	 	707 Wilshire Blvd., 16th Floor
	

	 	Los Angeles, CA 90017

or to such other address as any party may designate by written notice to all other parties. Each
such notice, request and demand shall be deemed given or made as follows: (a) if sent by hand
delivery, upon delivery; (b) if sent by mail, upon the earlier of the date of receipt or three (3)
days after deposit in the U.S. mail, first class and postage prepaid; and (c) if sent by facsimile,
upon receipt.

          SECTION 7.3. COSTS, EXPENSES AND ATTORNEYS’ FEES. Borrower shall pay to Bank immediately upon
demand the full amount of all payments, advances, charges, costs and expenses, including reasonable
attorneys’ fees (to include outside counsel fees and all allocated costs of Bank’s in-house
counsel), expended or incurred by Bank in connection with (a) the negotiation and preparation of
any amendments and waivers to this Agreement and the other Loan Documents, (b) the enforcement of
Bank’s rights and/or the collection of any amounts which become due to Bank under any of the Loan
Documents, and (c) the prosecution or defense of any action in any way related to any of the Loan
Documents, including without limitation, any action for declaratory relief, whether incurred at the
trial or appellate level, in an arbitration proceeding or otherwise, and including any of the
foregoing incurred in connection with any bankruptcy proceeding (including without limitation, any
adversary proceeding, contested matter or motion brought by Bank or any other person) relating to
any Borrower. Notwithstanding any provision in this Agreement to the contrary, in any action or
dispute between the parties arising out of or in any way connected with this Agreement or any of
the other Loan Documents, the prevailing party in any such action or dispute (whether by way of
judgment, arbitration award, mediation, settlement or otherwise, and whether or not suit is
commenced) shall be entitled to collect from the other party the prevailing party’s costs and
expenses incurred in connection with such action or dispute, including, without limitation, all
litigation costs and reasonable attorneys’ fees.

9

 

     SECTION 7.4. SUCCESSORS, ASSIGNMENT. This Agreement shall be binding upon and inure to the
benefit of the heirs, executors, administrators, legal representatives, successors and assigns of
the parties; provided however, that Borrower may not assign or transfer its interest hereunder
without Bank’s prior written consent. Bank reserves the right to sell, assign, transfer, negotiate
or grant participations in all or any part of, or any interest in, Bank’s rights and benefits under
each of the Loan Documents. In connection therewith, Bank may disclose all documents and
information which Bank now has or may hereafter acquire relating to any credit subject hereto,
Borrower or its business, or any collateral required hereunder.

     SECTION 7.5. ENTIRE AGREEMENT; AMENDMENT. This Agreement and the other Loan Documents
constitute the entire agreement between Borrower and Bank with respect to each credit subject
hereto and supersede all prior negotiations, communications, discussions and correspondence
concerning the subject matter hereof. This Agreement may be amended or modified only in writing
signed by each party hereto.

     SECTION 7.6. NO THIRD PARTY BENEFICIARIES. This Agreement is made and entered into for the
sole protection and benefit of the parties hereto and their respective permitted successors and
assigns, and no other person or entity shall be a third party beneficiary of, or have any direct or
indirect cause of action or claim in connection with, this Agreement or any other of the Loan
Documents to which it is not a party.

     SECTION 7.7. TIME. Time is of the essence of each and every provision of this Agreement and
each other of the Loan Documents.

     SECTION 7.8. SEVERABILITY OF PROVISIONS. If any provision of this Agreement shall be
prohibited by or invalid under applicable law, such provision shall be ineffective only to the
extent of such prohibition or invalidity without invalidating the remainder of such provision or
any remaining provisions of this Agreement.

     SECTION 7.9. COUNTERPARTS. This Agreement may be executed in any number of counterparts, each
of which when executed and delivered shall be deemed to be an original, and all of which when taken
together shall constitute one and the same Agreement.

     SECTION 7.10. GOVERNING LAW. This Agreement shall be governed by and construed in accordance
with the laws of the State of California.

     SECTION 7.11. ARBITRATION.

          (a) Arbitration. The parties hereto agree, upon demand by any party, to submit to
binding arbitration all claims, disputes and controversies between or among them (and their
respective employees, officers, directors, attorneys, and other agents), whether in tort, contract
or otherwise arising out of or relating to in any way (i) the loan and related Loan Documents which
are the subject of this Agreement and its negotiation, execution, collateralization,
administration, repayment, modification, extension, substitution, formation, inducement,
enforcement, default or termination; or (ii) requests for additional credit.

          (b) Governing Rules. Any arbitration proceeding will (i) proceed in a location in
California selected by the American Arbitration Association (“AAA”); (ii) be governed by the
Federal Arbitration Act (Title 9 of the United States Code), notwithstanding any conflicting choice
of law provision in any of the documents between the parties; and (iii) be conducted by the AAA, or
such other administrator as the parties shall mutually agree upon, in accordance with the AAA’s
commercial dispute resolution procedures, unless the claim or counterclaim is at least
$1,000,000.00 exclusive of claimed interest, arbitration fees and costs in which case the
arbitration shall be conducted in accordance with the AAA’s optional procedures for large, complex
commercial disputes (the commercial dispute resolution procedures or the optional procedures for
large, complex commercial disputes to be referred to, as applicable, as the “Rules”). If there is
any inconsistency between the terms hereof and the Rules, the terms and procedures set forth herein
shall control. Any party who fails or refuses to submit to arbitration following a demand by any
other party shall bear all costs and expenses incurred by such other party in compelling
arbitration of any dispute. Nothing contained herein shall be deemed

10

 

to be a waiver by any party that is a bank of the protections afforded to it under 12 U.S.C. §91 or
any similar applicable state law.

          (c) No Waiver of Provisional Remedies, Self-Help and Foreclosure. The
arbitration requirement does not limit the right of any party to (i) foreclose against real or
personal property collateral; (ii) exercise self-help remedies relating to collateral or proceeds
of collateral such as setoff or repossession; or (iii) obtain provisional or ancillary remedies
such as replevin, injunctive relief, attachment or the appointment of a receiver, before during or
after the pendency of any arbitration proceeding. This exclusion does not constitute a waiver of
the right or obligation of any party to submit any dispute to arbitration or reference hereunder,
including those arising from the exercise of the actions detailed in sections (i), (ii) and (iii)
of this paragraph.

     (d) Arbitrator Qualifications and Powers. Any arbitration proceeding in which the
amount in controversy is $5,000,000.00 or less will be decided by a single arbitrator selected
according to the Rules, and who shall not render an award of greater than $5,000,000.00. Any
dispute in which the amount in controversy exceeds $5,000,000.00 shall be decided by majority vote
of a panel of three (3) arbitrators; provided however, that all three (3) arbitrators must actively
participate in all hearings and deliberations. The arbitrator will be a neutral attorney licensed
in the State of California or a neutral retired judge of the state or federal judiciary of
California, in either case with a minimum of 10 years experience in the substantive law applicable
to the subject matter of the dispute to be arbitrated. The arbitrator will determine whether or
not an issue is arbitratable and will give effect to the statutes of limitation in determining any
claim. In any arbitration proceeding the arbitrator will decide (by documents only or with a
hearing at the arbitrator’s discretion) any pre-hearing motions which are similar to motions to
dismiss for failure to state a claim or motions for summary adjudication. The arbitrator shall
resolve all disputes in accordance with the substantive law of California and may grant any remedy
or relief that a court of such state could order or grant within the scope hereof and such
ancillary relief as is necessary to make effective any award. The arbitrator shall also have the
power to award recovery of all costs and fees, to impose sanctions and to take such other action as
the arbitrator deems necessary to the same extent a judge could pursuant to the Federal Rules of
Civil Procedure, the California Rules of Civil Procedure or other applicable law. Judgment upon
the award rendered by the arbitrator may be entered in any court having jurisdiction. The
institution and maintenance of an action for judicial relief or pursuit of a provisional or
ancillary remedy shall not constitute a waiver of the right of any party, including the plaintiff,
to submit the controversy or claim to arbitration if any other party contests such action for
judicial relief.

     (e) Discovery. In any arbitration proceeding discovery will be permitted in
accordance with the Rules. All discovery shall be expressly limited to matters directly relevant
to the dispute being arbitrated and must be completed no later than 20 days before the hearing date
and within 180 days of the filing of the dispute with the AAA. Any requests for an extension of
the discovery periods, or any discovery disputes, will be subject to final determination by the
arbitrator upon a showing that the request for discovery is essential for the party’s presentation
and that no alternative means for obtaining information is available.

     (f) Class Proceedings and Consolidations. The resolution of any dispute arising
pursuant to the terms of this Agreement shall be determined by a separate arbitration proceeding
and such dispute shall not be consolidated with other disputes or included in any class proceeding.

     (g) Payment Of Arbitration Costs And Fees. The arbitrator shall award all costs and
expenses of the arbitration proceeding.

     (h) Real Property Collateral; Judicial Reference. Notwithstanding anything herein to
the contrary, no dispute shall be submitted to arbitration if the dispute concerns indebtedness
secured directly or indirectly, in whole or in part, by any real property unless (i) the holder of
the mortgage, lien or security interest specifically elects in writing to proceed with the
arbitration, or (ii) all parties to the arbitration waive any rights or benefits that might accrue
to them by virtue of the single action rule statute of California, thereby agreeing that all
indebtedness and obligations of the parties, and all mortgages, liens and security interests
securing such

11

 

indebtedness and obligations, shall remain fully valid and enforceable. If any such dispute is not
submitted to arbitration, the dispute shall be referred to a referee in accordance with California
Code of Civil Procedure Section 638 et seq., and this general reference agreement is intended to be
specifically enforceable in accordance with said Section 638. A referee with the qualifications
required herein for arbitrators shall be selected pursuant to the AAA’s selection procedures.
Judgment upon the decision rendered by a referee shall be entered in the court in which such
proceeding was commenced in accordance with California Code of Civil Procedure Sections 644 and
645.

     (i) Miscellaneous. To the maximum extent practicable, the AAA, the arbitrators and
the parties shall take all action required to conclude any arbitration proceeding within 180 days
of the filing of the dispute with the AAA. No arbitrator or other party to an arbitration
proceeding may disclose the existence, content or results thereof, except for disclosures of
information by a party required in the ordinary course of its business or by applicable law
or regulation. If more than one agreement for arbitration by or between the parties potentially
applies to a dispute, the arbitration provision most directly related to the Loan Documents or the
subject matter of the dispute shall control. This arbitration provision shall survive termination,
amendment or expiration of any of the Loan Documents or any relationship between the parties.

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

	 	 	 	 	 	 	 
	 	 	 	 	WELLS FARGO BANK,
	TEKELEC	 	NATIONAL ASSOCIATION
	 
	 	 	 	 	 	 
	By:

	 	 	 	By:	 	 
	

	 
	 	 	 
	Title:

	 	 	 	Title:	 	 
	

	 
	 	 	 

12exv10w19

 

EXHIBIT 10.19

North Ranch Corporate Center

4580 E. Thousand Oaks Boulevard

Westlake Village, CA 91362

OFFICE LEASE

Grenhill Development Corporation,

a California corporation

as Landlord,

and

Tekelec,

a California corporation

as Tenant.

 

 

TABLE OF CONTENTS

	 	 	 	 	 
	 	 	Page
	ARTICLE 1 REAL PROPERTY, BUILDING AND PREMISES

	 	 	1	 
	 
	 	 	 	 
	ARTICLE 2 LEASE TERM

	 	 	2	 
	 
	 	 	 	 
	ARTICLE 3 BASE RENT

	 	 	2	 
	 
	 	 	 	 
	ARTICLE 4 ADDITIONAL RENT

	 	 	3	 
	 
	 	 	 	 
	ARTICLE 5 USE OF PREMISES

	 	 	9	 
	 
	 	 	 	 
	ARTICLE 6 SERVICES AND UTILITIES

	 	 	10	 
	 
	 	 	 	 
	ARTICLE 7 REPAIRS

	 	 	11	 
	 
	 	 	 	 
	ARTICLE 8 ADDITIONS AND ALTERATIONS

	 	 	12	 
	 
	 	 	 	 
	ARTICLE 9 COVENANT AGAINST LIENS

	 	 	13	 
	 
	 	 	 	 
	ARTICLE 10 INSURANCE

	 	 	13	 
	 
	 	 	 	 
	ARTICLE 11 DAMAGE AND DESTRUCTION

	 	 	15	 
	 
	 	 	 	 
	ARTICLE 12 NONWAIVER

	 	 	16	 
	 
	 	 	 	 
	ARTICLE 13 CONDEMNATION

	 	 	16	 
	 
	 	 	 	 
	ARTICLE 14 ASSIGNMENT AND SUBLETTING

	 	 	17	 
	 
	 	 	 	 
	ARTICLE 15 SURRENDER OF PREMISES; REMOVAL OF TRADE FIXTURES

	 	 	19	 
	 
	 	 	 	 
	ARTICLE 16 HOLDING OVER

	 	 	20	 
	 
	 	 	 	 
	ARTICLE 17 ESTOPPEL CERTIFICATES

	 	 	20	 
	 
	 	 	 	 
	ARTICLE 18 SUBORDINATION

	 	 	21	 
	 
	 	 	 	 
	ARTICLE 19 DEFAULTS; REMEDIES

	 	 	21	 
	 
	 	 	 	 
	ARTICLE 20 COVENANT OF QUIET ENJOYMENT

	 	 	24	 
	 
	 	 	 	 
	ARTICLE 21 SECURITY DEPOSIT

	 	 	24	 
	 
	 	 	 	 
	ARTICLE 22 SIGNS

	 	 	25	 
	 
	 	 	 	 
	ARTICLE 23 COMPLIANCE WITH LAW

	 	 	25	 
	 
	 	 	 	 
	ARTICLE 24 LATE CHARGES

	 	 	26	 

-i-

 

	 	 	 	 	 
	 	 	Page
	ARTICLE 25 LANDLORD’S RIGHT TO CURE DEFAULT; PAYMENTS BY TENANT

	 	 	26	 
	 
	 	 	 	 
	ARTICLE 26 ENTRY BY LANDLORD

	 	 	26	 
	 
	 	 	 	 
	ARTICLE 27 TENANT PARKING

	 	 	27	 
	 
	 	 	 	 
	ARTICLE 28 MISCELLANEOUS PROVISIONS

	 	 	27	 

-ii-

 

SUMMARY OF BASIC LEASE INFORMATION

     The undersigned hereby agree to the following terms of this Summary of Basic Lease Information (the
“Summary”). This Summary is hereby incorporated into and made a part of the attached Office Lease
(this Summary and the Office Lease to be known collectively as the “Lease”) which pertains to the
office building described in Section 6.1 below (the “Building”). Each reference in the
Office Lease to any term of this Summary shall have the meaning as set forth in this Summary for
such term. In the event of a conflict between the terms of this Summary and the Office Lease, the
terms of the Office Lease shall prevail. Any initially capitalized terms used herein and not
otherwise defined herein shall have the meaning as set forth in the Office Lease.

	 	 	 	 	 	 	 
	TERMS OF LEASE	 	 	 	 
	(References are to the Office Lease)	 	 	 	DESCRIPTION
	1.

	 	Dated as of:
	 	 	 	December 14, 2004.
	 
	 	 	 	 	 	 
	2.

	 	Landlord:
	 	 	 	Grenhill Development Corporation

a California corporation
	 
	 	 	 	 	 	 
	3.

	 	Address of Landlord

(Section 29.14):
	 	 	 	330 No. Brand Boulevard

Suite 11806

Glendale, CA 91203

Attention: Sarwono Sutrisno
	 
	 	 	 	 	 	 
	4.

	 	Tenant:
	 	 	 	Tekelec

a California corporation
	 
	 	 	 	 	 	 
	5.

	 	Address of Tenant

(Section 29.14):
	 	 	 	26580 Agoura Road

Calabasas, CA 91302

Attention: Dan Detwiler

(Prior to Lease Commencement Date)
	 
	 	 	 	 	 	 
	

	 	 	 	 	 	and
	 
	 	 	 	 	 	 
	

	 	 	 	 	 	4580 E. Thousand Oaks Boulevard

Westlake Village, CA 91362
	 
	 	 	 	 	 	 
	

	 	 	 	 	 	Attention: Dan
Detwiler

(After Lease Commencement Date)
	6.

	 	Premises

(Article 1):	 	 	 	 
	 
	 	 	 	 	 	 
	

	 	     6.1
	 	Building:
	 	North Ranch Corporate Center

4580 E. Thousand Oaks Boulevard

Westlake Village, CA 91362
	 
	 	 	 	 	 	 
	

	 	     6.2
	 	Premises:
	 	Approximately 22,409 rentable
(21,266 usable) square feet of
space located on the
2nd and 3rd
floors, as set forth in Exhibit A
attached hereto.

S-1-

 

	 	 	 	 	 	 	 
	TERMS OF LEASE	 	 	 	 
	(References are to the Office Lease)	 	 	 	DESCRIPTION
	

	 	     6.3
	 	Approximate Number
of rentable square feet
in Building:
	 	 37,813
	 
	 	 	 	 	 	 
	7.

	 	Term

(Article 2):	 	 	 	 
	 
	 	 	 	 	 	 
	

	 	     7.1
	 	Lease Term:
	 	Ten (10) years.
	 
	 	 	 	 	 	 
	

	 	     7.2
	 	Lease Commencement
Date:
	 	The date that is the first Monday
after the Premises are ready for
occupancy (as more fully
described in Article 2) by Tenant
for the conduct of its business.
	 
	 	 	 	 	 	 
	

	 	     7.3
	 	Lease Expiration
Date:
	 	The day prior to the tenth
(10th) anniversary of
the Lease Commencement Date.
	 
	 	 	 	 	 	 
	8.

	 	Base Rent

(Article 3):
	 	 	 	Subject to Rent Abatement months
two (2), three (3), four (4),
twenty-three (23), twenty-four
(24) and forty-nine (49).

	 	 	 	 	 	 	 	 	 	 	 	 	 
	 	 	 	 	 	 	Monthly	 	 	 	 
	 	 	Annual	 	 	Installment	 	 	Annual Rental	 
	Lease Year	 	Base Rent	 	 	of Base Rent	 	 	Rate per Rentable Square Foot	 
	Year 1
	 	$	626,555.64	 	 	$	52,212.97	 	 	$27.96 Modified Gross
	Year 2
	 	$	626,555.64	 	 	$	52,212.97	 	 	$27.96 Modified Gross
	Year 3
	 	$	653,446.44	 	 	$	54,453.87	 	 	$29.16 Modified Gross
	Year 4
	 	$	653,446.44	 	 	$	54,453.87	 	 	$29.16 Modified Gross
	Year 5
	 	$	680,337.24	 	 	$	56,694.77	 	 	$30.36 Modified Gross
	Year 6
	 	$	680,337.24	 	 	$	56,694.77	 	 	$30.36 Modified Gross
	Year 7
	 	$	707,228.04	 	 	$	58,935.67	 	 	$31.56 Modified Gross
	Year 8
	 	$	707,228.04	 	 	$	58,935.67	 	 	$31.56 Modified Gross
	Year 9
	 	$	734,118.84	 	 	$	61,176.57	 	 	$32.76 Modified Gross
	Year 10
	 	$	734,118.84	 	 	$	61,176.57	 	 	$32.76 Modified Gross

	 	 	 	 	 	 	 	 	 
	9.

	 	Additional Rent

(Article 4):	 	 	 	 	 	 
	 	 	 	 	 	 	 	 	 
	 	 	     9.1	 	Base Year:	 	The calendar year of 2005.
	 
	 	 	 	 	 	 	 	 
	 	 	     9.2	 	Tenant’s Share of
Direct Expenses:	 	Approximately 59.26%.
	 
	 	 	 	 	 	 	 	 
	10.	 	Security Deposit

(Article 21):	 	 	 	 $61,176.57.
	 
	 	 	 	 	 	 	 	 
	11.	 	Number of Parking Passes

(Article 28):	 	 	 	Eighty-five (85) parking passes.
	 
	 	 	 	 	 	 	 	 
	12.	 	Brokers

(Section 29.18):	 	 	 	Landlord  — CB
Richard Ellis

Tenant – The Staubach Company

S-2-

 

	 	 	 	 	 	 	 	 	 
	TERMS OF LEASE	 	 	 	 
	(References are to the Office Lease)	 	 	 	DESCRIPTION
	13.	 	Permitted Use

(Section 5):	 	 	 	General Office
	 
	 	 	 	 	 	 	 	 
	14.	 	Option to Extend:	 	 	 	One 5-year option to extend,
exercisable upon not less than
nine (9) months nor more than
twelve (12) months prior
written notice.
	 
	 	 	 	 	 	 	 	 
	15.

	 	Options to Terminate:
	 	 	 	•
	 	At end of fifth year
with nine (9) months prior
written notice and termination fee.
	 
	 	 	 	 	 	 	 	 
	

	 	 	 	 	 	•
	 	At end of seventh year
with nine (9) months prior
written notice and termination
fee.

The foregoing terms of this Summary are hereby agreed to by Landlord and Tenant.

	 	 	 	 	 
	 	 	“Landlord”:
	 
	 	 	 	 
	 	 	Grenhill Development Corporation,

a California corporation
	 
	 	 	 	 
	

	 	By:	 	 
	

	 	 	 	 
	

	 	Its:	 	 
	

	 	 	 	 
	 
	 	 	 	 
	 	 	“Tenant”:
	 
	 	 	 	 
	 	 	Tekelec,

a California corporation
	 
	 	 	 	 
	

	 	By:	 	 
	

	 	 	 	 
	

	 	Its:	 	 
	

	 	 	 	 

S-3-

 

OFFICE LEASE

This Office Lease, which includes the preceding Summary of Basic Lease Information (the “Summary”)
attached hereto as pages S-1 through S-4 and incorporated herein by this reference (the Office
Lease and Summary to be known sometimes collectively hereafter as the “Lease”), dated as of the
date set forth in Section 1 of the Summary, is made by and between “Landlord” and “Tenant” as those
terms are defined in Sections 2 and 4 of the Summary, respectively.

REAL PROPERTY, BUILDING AND PREMISES

Real Property, Building and Premises. Upon and subject to the terms set forth in this
Lease, Landlord hereby leases to Tenant and Tenant hereby leases from Landlord the premises set
forth in Section 6.2 of the Summary (the “Premises”), which Premises are located in the
building (the “Building”) set forth in Section 6.1 of the Summary. Landlord and Tenant
hereby stipulate and agree that the measurement of the Premises, calculated pursuant to the
Standard Method of Measuring Floor Area in Office Buildings, ANSI=Z65.2.2-1996 promulgated by the
Building Owners and Managers Association International, is as set forth in Section 6.2 of
the Summary, and such square footage shall not be subject to remeasurement or modification.
Landlord and Tenant hereby stipulate and agree that the rentable area of the Premises is as set
forth in Section 6 of the Summary, and such square footage shall not be subject to
remeasurement or modification. The outline of the Premises is set forth in Exhibit A
attached hereto. The parties hereto hereby acknowledge that the purpose of Exhibit A is to
show the approximate location of the Premises in the “Building,” as that term is defined in
Section 1.1.2, below, only, and such Exhibit is not meant to constitute an agreement,
representation or warranty as to the construction of the Premises, the precise area thereof or the
specific location of the “Common Areas,” as that term is defined in Section 1.1.3, below,
or the elements thereof or of the accessways to the Premises or the “Project,” as that term is
defined in Section 1.1.2, below. The Building, the parking area servicing the Building,
the land upon which the Building stands, and the land, improvements and other buildings surrounding
the Building which are designated from time to time by Landlord as appurtenant to or servicing the
Building, are herein sometimes collectively referred to herein as the “Real Property.” Except as
specifically set forth in this Lease, the Tenant Work Letter attached hereto as Exhibit D
(the “Tenant Work Letter”), the Space Plan Specifications attached hereto as Exhibit G and the
construction documents, Landlord shall not be obligated to provide or pay for any improvement work
or services related to the improvement of the Premises. Tenant is relying upon Landlord’s
representation or warranties that the Premises, the Building and the Project are in compliance with
all current applicable Uniform Building Codes and that as of the Commencement Date of the Lease,
all systems service the Building, Premises, or the Project are in prime working order and repair.
However, neither Landlord nor its agent have made any representations or warranties with respect to
the suitability of any of the foregoing for the conduct of Tenant’s business, except as
specifically set forth in this Lease and the Tenant Work Letter. The taking of possession of the
Premises by Tenant shall conclusively establish that the Premises were at such time in good and
sanitary order, condition and repair subject to latent or patent defects, minor Punch List items,
which cost to repair shall be the Landlord’s responsibility.

Common Areas. Tenant shall have the non-exclusive right to use in common with other
tenants in the Project, and subject to the rules and regulations attached hereto as Exhibit
B (the “Rules and Regulations”), those portions of the Project which are provided, from time to
time, for use in common by Landlord, Tenant and any other tenants of the Project (such areas,
together with such other portions of the Project designated by Landlord, in its reasonable
discretion, including certain areas designated for the exclusive use of certain tenants, or to be
shared by Landlord and certain tenants, are collectively referred to herein as the “Common Areas”).
The manner in which the Common Areas are maintained and operated shall be at the reasonable
discretion of Landlord and the use thereof shall be subject to such rules, regulations and
restrictions as Landlord may make from time to time. Landlord reserves the right to close
temporarily, make alterations or additions to, or change the location of elements of the Real
Property and the Common Areas; provided that such closures, alterations, additions, changes in
location, ingress or egress do not materially, adversely affect the Tenant or impair Tenant’s
conduct of business from the Premises.

-1-

 

LEASE TERM

The terms and provisions of this Lease shall be effective as of the date of this Lease. The
term of this Lease (the “Lease Term”) shall be as set forth in Section 7.1 of the Summary
and shall commence on the date (the “Lease Commencement Date”) set forth in Section 7.2 of
the Summary, and shall terminate on the date (the “Lease Expiration Date”) set forth in Section
7.3 of the Summary, unless this Lease is sooner terminated as hereinafter provided.
Notwithstanding anything to the contrary in this Lease, the actual Commencement Date shall be on
the Monday after the Premises are ready for occupancy. The Premises shall be deemed ready for
occupancy when: a) a Certificate of Occupancy permitting lawful occupancy of the Building and
Premises or temporary Certificate of Occupancy (“TCO”) is received by the Landlord from the City of
Thousand Oaks (provided that if a TCO is issued, Landlord shall diligently pursue a Certificate of
Occupancy prior to expiration of the TCO); b) the Building’s sanitary, electrical and HVAC systems
are fully operational; c) access to the Premises, public areas and parking facilities are available
with all fire and life safety components in place; d) the improvements to the offices and other
public areas of the Building are substantially complete, except for minor “punch-list” items and;
e) Tenant has been given twenty (20) days prior access to the Premises for the purposes of
installing furnishings, fixtures and equipment, which access may be concurrent with the
construction of the Tenant Improvements and provided that Tenant shall not interfere with
Landlord’s contractor. For purposes of this Lease, the term “Lease Year” shall mean each
consecutive twelve (12) month period during the Lease Term beginning on the Commencement Date.
Within thirty (30) days of the Commencement Date, Landlord shall deliver to Tenant a notice in the
form as set forth in Exhibit C attached hereto, which Tenant shall execute and return to Landlord
within five (5) business days of receipt thereof. In the event that after the execution of this
Lease it appears that the Landlord will be delayed in delivering the Premises to Tenant beyond
April 17, 2005 (the “Outside Date”), for any reason other than delays caused by Tenant, then Tenant
shall be permitted, by giving fifteen (15) days prior written notice to Landlord (the “Termination
Notice”), to terminate this Lease and Tenant shall have no further obligations to Landlord under
the Terms of this Lease. Landlord will have five (5) days after Tenant’s delivery of the
Termination Notice to provide Tenant with assurances, reasonable to Tenant, that Landlord will be
able to successfully complete construction of the Building and the contemplated Tenant Improvements
so as to allow Tenant to occupy the Building and Premises by the Outside Date.

BASE RENT

Tenant shall pay, without notice or demand, to Landlord at the management office of the
Building, or at such other place as Landlord may from time to time designate in writing, giving
Tenant reasonable advance notice, in the form of a check or currency which, at the time of payment,
is legal tender for private or public debts in the United States of America, base rent (“Base
Rent”) as set forth in Section 8 of the Summary, payable in equal monthly installments as
set forth in Section 8 of the Summary in advance on or before the first day of each and
every calendar month during the Lease Term, without any setoff or deduction whatsoever.
Notwithstanding the foregoing, Tenant shall not be obligated to pay Base Rent for the
2nd, 3rd, 4th, 23rd, 24th, and
49th months of the Lease Term (the “Abated Base Rent”). The Base Rent for the first
full calendar month of the Lease Term shall be paid at the time of Tenant’s execution of this
Lease. If any “Rent,” as that term is defined in Section 4.1, below, payment date
(including the Lease Commencement Date) falls on a day of a calendar month other than the first day
of

-2-

 

such calendar month or if any Rent payment is for a period which is shorter than one calendar month
such as during the last month of the Lease Term, the Rent for any fractional calendar month shall
accrue on a daily basis for the period from the date such payment is due to the end of such
calendar month or to the end of the Lease Term at a rate per day which is equal to 1/365 of the
Rent. All other payments or adjustments required to be made under the terms of this Lease that
require proration on a time basis shall be prorated on the same basis.

ADDITIONAL RENT

Additional Rent. In addition to paying the Base Rent specified in Article 3 of
this Lease, Tenant shall pay as additional rent “Tenant’s Share” of the annual “Direct Expenses,”
as those terms are defined in Sections 4.2.6 and 4.2.2 of this Lease, respectively,
which are in excess of the amount of Direct Expenses applicable to the “Base Year,” as that term is
defined in Section 4.2.1 of this Lease. Notwithstanding anything in this Lease to the
contrary, Tenant shall not be obligated to pay any portion of such excess Direct Expenses during
the first twelve (12) months of the Lease Term. Such additional rent, together with any and all
other amounts payable by Tenant to Landlord, as additional rent or otherwise, pursuant to the terms
of this Lease, shall be hereinafter collectively referred to as the “Additional Rent.” The Base
Rent and Additional Rent are herein collectively referred to as the “Rent.” All amounts due under
this Article 4 as Additional Rent shall be payable for the same periods and in the same
manner, time and place as the Base Rent. Without limitation on other obligations of Tenant which
shall survive the expiration of the Lease Term, the obligations of Tenant to pay the Additional
Rent provided for in this Article 4 shall survive the expiration of the Lease Term.

Definitions. As used in this Article 4, the following terms shall have the meanings
hereinafter set forth:

     “Base Year” shall mean the period set forth in Section 9.1 of the Summary.

     “Direct Expenses” shall mean “Operating Expenses” and “Tax Expenses.”

     “Expense Year” shall mean each calendar year in which any portion of the Lease Term falls,
through and including the calendar year in which the Lease Term expires.

     “Operating Expenses” shall mean all expenses, costs and amounts of every kind and nature which
Landlord shall pay or incur during any Expense Year because of or in connection with the ownership,
management, maintenance, repair, replacement, restoration or operation of the Real Property,
including, without limitation, any amounts paid or incurred for (i) the cost of supplying all
utilities, the cost of operating, maintaining, repairing, replacing, renovating and managing the
utility systems, mechanical systems, sanitary and storm drainage systems, and escalator and
elevator systems, and the cost of supplies, tools, and equipment and maintenance and service
contracts in connection therewith; (ii) the cost of licenses, certificates, permits and inspections
and the cost of contesting the validity or applicability of any governmental enactments which may
affect Operating Expenses, (iii) the cost of insurance carried by Landlord, in such amounts as
Landlord may reasonably determine; (iv) the cost of landscaping, relamping, and all supplies,
tools, equipment and materials used in the operation, repair and maintenance of the Project, or any
portion thereof; (v) fees, charges and other costs, including management fees or administrative
charges (or amounts in lieu thereof), consulting fees (including but not limited to any consulting
fees incurred in connection with the procurement of insurance), legal fees and accounting fees, of
all persons engaged by Landlord or otherwise reasonably incurred by Landlord in connection with the
management, operation, maintenance and repair of the Real Property; (vi) the cost of parking area
repair, restoration, and maintenance, including, but not limited to, resurfacing, repainting,
restriping, and cleaning, which cost shall be amortized over the useful life of the expenditure;
(vii) payments under any equipment rental agreements and the fair rental value of any management
office space; (viii) wages, salaries and other compensation and benefits of all persons engaged in
the operation, maintenance or security of the Real Property; (ix) payments under any easement,
license, operating agreement, declaration, restrictive covenant, or instrument pertaining to the
sharing of costs by the Building; (x) operation, repair, maintenance

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and replacement of all systems and equipment and components thereof of the Building, which
cost (in the case of replacement) shall be amortized over the useful life of the expenditure; (xi)
the cost of janitorial, alarm, security and other services, replacement of wall and floor
coverings, ceiling tiles and fixtures in common areas, maintenance and replacement of curbs and
walkways, exterior windows and walls, repair to roofs and re-roofing, waterproofing and sealing of
garage, foundation and basement areas, which cost (in the case of replacement) shall be amortized
over the useful life of the expenditure; (xii) amortization (including interest on the unamortized
cost) of the cost of acquiring or the rental expense of personal property used in the maintenance,
operation and repair of the Building and Real Property; (xiii) the cost of capital improvements or
other costs incurred in connection with the Real Property (A) which relate to the operation,
repair, maintenance and replacement of all systems, equipment or facilities which serve the Real
Property in the whole or in part, (B) which are a labor-saving device or to effect other economies
in the operation or maintenance of the Real Property, or any portion thereof to the extent of cost
savings reasonably anticipated by Landlord, or (C) that are required under any governmental law or
regulation that is then enforced against the Real Property by a federal, state or local
governmental agency; provided, however, that each such permitted capital expenditure shall be
amortized (including interest on the unamortized cost) over its useful life; (xiv) costs, fees,
charges or assessments imposed by, or resulting from any mandate imposed on Landlord by, any
federal, state or local government for fire and police protection, trash removal, community
services, or other services which do not constitute “Tax Expenses” as that term is defined in
Section 4.2.5, below; and (xv) payments under any easement, license, operating agreement,
declaration, restrictive covenant, or instrument pertaining to the sharing of costs by the
Building. If the Building is not fully occupied during all or a portion of any Expense Year,
Landlord shall make an appropriate adjustment to the variable components of Operating Expenses for
such Expense Year as reasonably determined by Landlord employing sound accounting and management
principles, to determine the amount of Operating Expenses that would have been paid had the
Building been ninety-five percent (95%) occupied, and the amount so determined shall be deemed to
have been the amount of Operating Expenses for such Expense Year.

          Notwithstanding anything to the contrary, Direct Expenses shall not include the following
items or cost components:

1. Costs associated with the operation of the business of the ownership or entity which
constitutes “Landlord”, as distinguished from the costs of building operations, including, but not
limited to, partnership accounting and legal matters, costs of defending any lawsuits with any
mortgagee (except as the actions of Tenant may be in issue), commission related to costs of selling
as well as the costs of syndicating, financing, mortgaging or hypothecating any of Landlord’s
interest in the Building, costs of any disputes between Landlord and its employees (if any) not
engaged in Building operation, disputes of Landlord with Building management, or outside fees paid
in connection with disputes with other tenants;

2. Costs incurred in connection with the construction of the Building or in connection with
any addition or capital improvements to the Building subsequent to the date of original
construction (to the extent they upgrade or improve the Building as opposed to replacing existing
items that have worn out), including but not limited to correcting defects in or inadequacy of the
initial design or construction of the Building;

3. Depreciation, interest and principal payments on mortgages, and other debt costs, if any;

4. Expenses directly resulting from the negligence of Landlord, its agents, servants or
employees;

5. Legal fees, space planners’ fees, real estate brokers’ leasing commissions, and advertising
expenses incurred in connection with the original development or original leasing of the Building
or future leasing of the Building;

6. Costs for which Landlord is reimbursed by its insurance carrier or any tenant’s insurance
carrier;

7. Any bad debt loss, rent loss, or reserves for bad debts or rent loss;

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8. The expense of extraordinary services provided to other tenants in the Building;

9. The wages of any employee who devotes less than 49% of all his or her time to the Building;

10. Fines, penalties, and interest unless caused by Tenant;

11. Insurance deductible expenses for any and all claims made by Landlord, unless caused by
Tenant;

12. Wages and fees incurred in connection with the ownership, management and operation of the
parking structure;

13. Any Operating Expenses in connection with the ground floor and mezzanine levels, or any
other floor in the Building devoted to retail operation;

14. Any recalculation of or additional Operating Expenses actually incurred more than two (2)
years prior to the year in which Landlord proposes that such costs by included;

15. Mass transit or such other public transportation pass-through assessment, if any;

16. Costs incurred due to Landlord’s failure to comply with laws enacted on or before the date
the Building’s Temporary Certificate of Occupancy is validly issued;

17. Costs incurred by Landlord with respect to goods and services (including utilities sold
and supplied to tenants and occupants of the Building) to the extent that Landlord is directly
reimbursed by tenant(s);

18. Costs, including permit, license and inspection costs, incurred with respect to the
installation of tenant improvements made for new tenants in the Building or incurred in renovating
or otherwise improving, decorating, painting or redecorating vacant space for tenants or other
occupants of the Building;

19. Expenses in connection with services or other benefits that are not provided to Tenant or
for which Tenant is charged directly but which are provided to another tenant or occupant of the
Building;

20. Costs of alterations or improvements to the Premises or the Premises of other tenants;

21. Rentals and other related expenses incurred in leasing equipment ordinarily considered to be of
a capital nature, except equipment not affixed to the Building which is used in providing
janitorial or similar services;

22. All items and services for which Tenant or any other tenant in the Building reimburses Landlord
or which Landlord provides selectively to one or more tenants (other than Tenant) without
reimbursement;

23. Electric power costs for which any tenant directly contracts with the local public service
company;

24. Wages, salaries, fees and fringe benefits paid to administrative or executive personnel or
officers or partners of Landlord unless employed at competitive rates as independent contractors
and any other expenses representing an amount paid to a related corporation, entity or person that
is in excess of the amount that would be paid in the absence of such relationship;

25. The cost of tools and equipment used initially in the construction, operation, repair and
maintenance of the Building;

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26. The cost of overtime or other expense to Landlord in curing its defaults or performing
work expressly provided in this Lease to be borne at Landlord’s expense; and

27. Amounts paid by Landlord (including interest) on account or to cure violations of or deviations
from the requirements or statutes, laws, regulations notices or ordinances on any part of the
Project or Building and any costs or expense resulting from Landlord’s violation of any agreement
to which it is a party and costs incurred to test, survey, cleanup, contain, abate, remove or
otherwise remedy hazardous materials from the Project.

Landlord shall make payments for goods, utilities and services in a timely manner to obtain the
maximum possible discount. If capital items that are customarily purchased by landlords of first
class office buildings in Ventura County are leased, rather than purchased, by Landlord, the
decision by Landlord to lease the item in question shall not serve to increase Tenant’s
proportionate share of Operating Expenses beyond that which would have applied had the item in
question been purchased. In the calculation of any expenses hereunder, it is understood that no
expense shall be charged more than once. Landlord shall use its best efforts to effect an
equitable pro-ration of bills for services rendered to the Building and to any other property owned
by Landlord. Landlord agrees to keep books and records showing the Operating Expenses in
accordance with generally accepted accounting principles consistently maintained on a year-to-year
basis. Tenant shall have a right to inspect Landlord’s books and records to assure proper
accounting, within twelve (12) months of the receipt of a “Statement” (as defined in Section
4.3.2), at the cost of Tenant. Landlord shall reimburse Tenant, upon demand, for all costs
reasonably incurred by Tenant in connection with any audit in the event that such audit determines
that the Operating Expenses collected by Landlord exceed the actual Operating Expenses for the
applicable period by more than five percent (5%), but in no event exceeding the sum of $6,000.

     “Tax Expenses” shall mean all federal, state, county, or local governmental or municipal
taxes, fees, charges or other impositions of every kind and nature, whether general, special,
ordinary or extraordinary (including, without limitation, real estate taxes, general and special
assessments, transit taxes, leasehold taxes or taxes based upon the receipt of rent, including
gross receipts or sales taxes applicable to the receipt of rent, unless required to be paid by
Tenant, personal property taxes imposed upon the fixtures, machinery, equipment, apparatus, systems
and equipment, appurtenances, furniture and other personal property used in connection with the
Building), which Landlord shall pay or incur during any Expense Year (without regard to any
different fiscal year used by such governmental or municipal authority) because of or in connection
with the ownership, leasing and operation of the Real Property. For purposes of this Lease, Tax
Expenses shall be calculated as if the tenant improvements in the Building were fully constructed
and the Real Property, the Building, and all tenant improvements in the Building were fully
assessed for real estate tax purposes, and accordingly, during the portion of any Expense Year
occurring during the Base Year, Tax Expenses shall be deemed to be increased appropriately.

          Tax Expenses shall include, without limitation:

          Subject to Section 4.2.5.4 hereof, any assessment, tax, fee, levy or charge in
addition to, or in substitution, partially or totally, of any assessment, tax, fee, levy or
charge previously included within the definition of real property tax, it being acknowledged
by Tenant and Landlord that Proposition 13 was adopted by the voters of the State of
California in the June 1978 election (“Proposition 13”) and that assessments, taxes, fees,
levies and charges may be imposed by governmental agencies for such services as fire
protection, street, sidewalk and road maintenance, conservation, refuse removal and for

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other governmental services formerly provided without charge to property owners or
occupants, and, in further recognition of the decrease in the level and quality of
governmental services and amenities as a result of Proposition 13, Tax Expenses shall also
include any governmental or private assessments or the Project’s contribution towards a
governmental or private cost-sharing agreement for the purpose of augmenting or improving
the quality of services and amenities normally provided by governmental agencies. It is the
intention of Tenant and Landlord that all such new and increased assessments, taxes, fees,
levies, and charges and all similar assessments, taxes, fees, levies and charges be included
within the definition of Tax Expenses for purposes of this Lease;

          Any assessment, tax, fee, levy, or charge allocable to or measured by the area of
the Premises or the rent payable hereunder, including, without limitation, any gross income
tax with respect to the receipt of such rent, or upon or with respect to the possession,
leasing, operating, management, maintenance, alteration, repair, use or occupancy by Tenant
of the Premises, or any portion thereof;

          Any assessment, tax, fee, levy or charge, upon this transaction or any document to
which Tenant is a party, creating or transferring an interest or an estate in the Premises;
and

          Any possessory taxes charged or levied in lieu of real estate taxes.

               Any reasonable expenses incurred by Landlord in attempting to protest, reduce or
minimize Tax Expenses shall be included in Tax Expenses in the Expense Year such expenses are paid.
Tax refunds shall be deducted from Tax Expenses in the Expense Year they are received by Landlord.
All special assessments which may be paid in installments shall be paid by Landlord in the maximum
number of installments permitted by law and not included in Operating Expenses except in the year
in which the assessment is actually paid; provided, however, that if the prevailing practice in
comparable buildings located in the vicinity of the Building is to pay such assessments on an early
basis, and Landlord pays the same on such basis, such assessments shall be included in Operating
Expenses in the year paid by Landlord. The amount of Tax Expenses for the Base Year attributable
to the valuation of the Real Property, inclusive of tenant improvements, shall be known as “Base
Taxes”.

               Notwithstanding anything to the contrary contained in this Section 4.2.5 (except as set
forth in Section 4.2.5.1 or levied in whole or part in lieu of Tax Expenses), there shall be
excluded from Tax Expenses (i) all excess profits taxes, franchise taxes, gift taxes, capital stock
taxes, inheritance and succession taxes, estate taxes, federal and state income taxes, and other
taxes to the extent applicable to Landlord’s general or net income (as opposed to rents, receipts
or income attributable to operations at the Building), (ii) any items included as Operating
Expenses, and (iii) any items paid by Tenant under Section 4.5 of this Lease.

               4.2.5.4 In the event of a sale or transfer of the Building or Project that results in a
reassessment of property value and corresponding increase in property taxes, Tenant shall be exempt
from

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payment of any resulting increase in Tax Expenses during the first seven (7) years of the
Lease Term as follows: (i) during Years 1 and 2 of the Lease Term Tenant shall be exempt from 75%
of such Tax Increases; (ii) during Years 3 through 5 of the Lease Term Tenant shall be exempt from
50% of such Tax Increases; and (iii) during Years 6 and 7 of the Lease Term Tenant shall be exempt
from 25% of such Tax Increases.

     “Tenant’s Share” shall mean the percentage set forth in Section 9.2 of the Summary.
Tenant’s Share was calculated by multiplying the number of rentable square feet of the Premises by
100 and dividing the product by the total rentable square feet in the Building. In the event
either the Premises and/or the Building is expanded, Tenant’s Share shall be appropriately
adjusted, and, as to the Expense Year in which such change occurs, Tenant’s Share for such year
shall be determined on the basis of the number of days during such Expense Year that each such
Tenant’s Share was in effect

     4.2.6.1 If the Project is not fully assessed for real estate taxes during the Base Year,
for purposes of determining Base Year Tax Expenses Landlord shall calculate the Base Year real
estate taxes as if they had been computed on the full assessed value of the Project..

Calculation and Payment of Additional Rent.

     Calculation of Excess. If for any Expense Year ending or commencing within the
Lease Term, Tenant’s Share of Direct Expenses for such Expense Year exceeds Tenant’s Share of the
amount of Direct Expenses applicable to the Base Year, then Tenant shall pay to Landlord, in the
manner set forth in Section 4.3.2, below, and as Additional Rent, an amount equal to the
excess (the “Excess”).

     Statement of Actual Direct Expenses and Payment by Tenant. Landlord shall endeavor to
give to Tenant, on or before the first day of April following the end of each Expense Year (but in
no event later than the first of May following the end of each Expense Year), a statement (the
“Statement”) which shall state the Direct Expenses incurred or accrued for such preceding Expense
Year, and which shall indicate the amount, if any, of any Excess. Upon receipt of the Statement
for each Expense Year ending during the Lease Term, if an Excess is present, Tenant shall pay,
within thirty (30) days, the full amount of the Excess for such Expense Year, less the amounts, if
any, paid during such Expense Year as “Estimated Excess,” as that term is defined in Section
4.3.3, below. The failure of Landlord to timely furnish the Statement for any Expense Year
shall not prejudice Landlord from enforcing its rights under this Article 4. Even though
the Lease Term has expired and Tenant has vacated the Premises, when the final determination is
made of Tenant’s Share of the Direct Expenses for the Expense Year in which this Lease terminates,
taking into consideration that the Lease Expiration Date may have occurred prior to the final day
of the applicable Expense Year, if an Excess is present, Tenant shall within thirty (30) days of
billing pay to Landlord an amount as calculated pursuant to the provisions of Section 4.3.1
of this Lease. The provisions of this Section 4.3.2 shall survive the expiration or
earlier termination of the Lease Term.

     Statement of Estimated Direct Expenses. In addition, Landlord shall give Tenant a
yearly expense estimate statement (the “Estimate Statement”) which shall set forth Landlord’s
reasonable estimate (the “Estimate”) of what the total amount of Direct Expenses for the
then-current Expense Year shall be and the estimated excess (the “Estimated Excess”) as calculated
by comparing Direct Expenses, which shall be based upon the Estimate, to the amount of Direct
Expenses applicable to the Base Year, which Estimate Statement may be provided by Landlord once a
year. The failure of Landlord to timely furnish the Estimate Statement for any Expense Year shall
not preclude Landlord from enforcing its rights to collect any Estimated Excess under this
Article 4. If pursuant to the Estimate Statement (or a revision thereof) an Estimated
Excess is calculated for the then-current Expense Year, Tenant shall pay, within thirty (30) days,
a fraction of the Estimated Excess (or the increase in the Estimated Excess if pursuant to a
revised Estimated Statement) for the then-current Expense Year (reduced by any amounts paid
pursuant to the last sentence of this Section 4.3.3). Such fraction shall have as its
numerator the number of months which have elapsed in such current Expense Year to the month of such
payment, both months inclusive, and shall have twelve (12) as its denominator. Until a new
Estimate Statement is furnished, Tenant shall pay monthly, with

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the monthly Base Rent installments, an amount equal to one-twelfth (1/12) of the total
Estimated Excess set forth in the previous Estimate Statement delivered by Landlord to Tenant.

Allocation of Direct Expenses. Notwithstanding anything to the contrary set forth in
this Article 4, when calculating the Direct Expenses for the Base Year, such Direct
Expenses shall not include any increase in Tax Expenses attributable to special assessments,
charges, costs, or fees, or due to modifications or changes in governmental laws or regulations,
including but not limited to the institution of a split tax roll, and Operating Expenses shall
exclude market — wide labor — rate increases due to extraordinary circumstances, including, but not
limited to, boycotts and strikes, and utility rate increases due to extraordinary circumstances
including, but not limited to, conservation surcharges, boycotts, embargoes or other shortages and
amortized costs relating to capital improvements.

Taxes and Other Charges for Which Tenant Is Directly Responsible.

               Tenant shall be liable for and shall pay ten (10) days before delinquency, taxes levied
against Tenant’s equipment, furniture, fixtures and any other personal property located in or about
the Premises. If any such taxes on Tenant’s equipment, furniture, fixtures and any other personal
property are levied against Landlord or Landlord’s property or if the assessed value of Landlord’s
property is increased by the inclusion therein of a value placed upon such equipment, furniture,
fixtures or any other personal property and if Landlord pays the taxes based upon such increased
assessment, which Landlord shall have the right to do regardless of the validity thereof but only
under proper protest if requested by Tenant, Tenant shall upon demand repay to Landlord the taxes
so levied against Landlord or the proportion of such taxes resulting from such increase in the
assessment, as the case may be.

               If the tenant improvements in the Premises, whether installed and/or paid for by Landlord or
Tenant and whether or not affixed to the real property so as to become a part thereof, are assessed
for real property tax purposes at a valuation higher than the actual cost of the Tenant
Improvements, then the Tax Expenses levied against Landlord or the property by reason of such
excess assessed valuation shall be deemed to be taxes levied against personal property of Tenant
and shall be governed by the provisions of Section 4.5.1, above.

               Notwithstanding any contrary provision herein, Tenant shall pay prior to delinquency any (i)
rent tax or sales tax, service tax, transfer tax or value added tax, or any other applicable tax on
the rent or services herein or otherwise respecting this Lease, (ii) taxes assessed upon or with
respect to the possession, leasing, operation, management, maintenance, alteration, repair, use or
occupancy by Tenant of the Premises or any portion of the Project, including the Project parking
facility; or (iii) taxes assessed upon this transaction or any document to which Tenant is a party
creating or transferring an interest or an estate in the Premises.

USE OF PREMISES

Permitted Use. Tenant shall use the Premises solely for the “Permitted Use,” as that
term is defined in Section 13 of the Summary, and Tenant shall not use or permit the Premises to be
used for any other purpose or purposes whatsoever without the prior written consent of Landlord,
which may be withheld in Landlord’s sole discretion.

Prohibited Uses. The uses prohibited under this Lease shall include, without limitation,
use of the Premises or a portion thereof for: (i) offices or agencies of any foreign governmental
or political subdivision thereof; (ii) offices of any health care professionals or service
organization; (iv) schools or other training facilities which are not ancillary to corporate,
executive or professional office use; (v) retail or restaurant uses; or (vi) communications firms
such as radio and/or television stations. Tenant shall not allow occupancy density of use of the
Premises which is greater than one person for each 100 square feet of the Premises. Tenant further
covenants and agrees that Tenant shall not use, or suffer or permit any person or persons to use,
the Premises or any part thereof for any use or purpose contrary to the provisions of the Rules and
Regulations set forth in Exhibit B, attached hereto, or in violation of the laws of the United
States of America, the State of California, or the ordinances, regulations or requirements of the
local municipal or county governing body or other lawful authorities having jurisdiction over the
Building) including, without limitation, any such laws, ordinances, regulations or requirements
relating to hazardous materials or substances, as those terms are defined by applicable laws

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now or hereafter in effect. Tenant shall not do or permit anything to be done in or about the
Premises which will in any way damage the reputation of the Building or obstruct or interfere with
the rights of other tenants or occupants of the Building, or injure or annoy them or use or allow
the Premises to be used for any improper, unlawful or objectionable purpose, nor shall Tenant
cause, maintain or permit any nuisance in, on or about the Premises. Tenant shall comply with all
recorded covenants, conditions, and restrictions now or hereafter affecting the Project.

SERVICES AND UTILITIES

Standard Tenant Services. Landlord shall provide the following services on all days
during the Lease Term, unless otherwise stated below.

     Subject to all governmental rules, regulations and guidelines applicable thereto,
Landlord shall provide heating and air conditioning when necessary for normal comfort for normal
office use in the Premises from 7:00 A.M. to 6:00 P.M. Monday through Friday and on Saturday from
9:00 A.M. to 1:00 P.M., except for the date of observation of New Year’s Day, President’s Day,
Memorial Day, Independence Day, Labor Day, Thanksgiving Day, the day after Thanksgiving Day,
Christmas Day and at Landlord’s reasonable discretion, other locally or nationally recognized
holidays (collectively, the “Holidays”). Subject to unusual circumstances beyond Landlord’s
reasonable control, Tenant shall be permitted access to the Premises twenty-four hours per day,
seven days a week, three hundred sixty five days per year.

     Landlord shall provide adequate electrical wiring and facilities for connection to Building
standard ceiling mounted lighting fixtures and incidental use equipment, provided that Tenant’s
consumption of electricity does not exceed 4 kilowatt/hour per usable square foot of the Premises
per month, which electrical usage shall be subject to applicable laws and regulations, including
Title 24. Tenant will design Tenant’s electrical system serving any equipment producing nonlinear
electrical loads to accommodate such nonlinear electrical loads, including, but not limited to,
oversizing neutral conductors, derating transformers and/or providing power-line filters.
Engineering plans shall include a calculation of Tenant’s fully connected electrical design load
with and without demand factors and shall indicate the number of watts of unmetered and submetered
loads. Tenant shall bear the cost of replacement of lamps, starters and ballasts for non-Building
standard lighting fixtures within the Premises.

     Landlord shall provide city water from the regular Building outlets for drinking, kitchen,
lavatory and toilet purposes.

     Landlord shall provide janitorial services in all common areas of the Building. Tenant shall
provide its own janitorial services for the Premises.

     Landlord shall provide nonexclusive automatic elevator service at all times, provided, however
that Landlord shall install systems in the elevator service (e.g., key card or security keys) that
will permit Tenant to secure elevator access to the Premises.

     Landlord shall wash outside surface windows of the Premises at least once per year.

     Tenant shall cooperate fully with Landlord at all times and abide by all regulations and
requirements that Landlord may reasonably prescribe for the proper functioning and protection of
the HVAC, electrical, mechanical and plumbing systems.

Overstandard Tenant Use. Tenant shall not, without Landlord’s prior written consent,
use heat-generating machines, machines other than normal fractional horsepower office machines, or
equipment or lighting other than building standard lights in the Premises, which may affect the
temperature otherwise maintained by the air conditioning system or increase the water normally
furnished for the Premises by Landlord pursuant to the terms of Section 6.1 of this Lease.
If such consent is given, Landlord shall have the right to install supplementary air conditioning
units or other facilities in the Premises, including supplementary or additional metering devices,
and the cost thereof, including the cost of installation,

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operation and maintenance, increased wear and tear on existing equipment and other similar charges,
shall be paid by Tenant to Landlord upon billing by Landlord. If Tenant uses water, electricity,
heat or air conditioning in excess of that supplied by Landlord pursuant to Section 6.1 of
this Lease, Tenant shall pay to Landlord, upon billing, the cost of such excess consumption, the
cost of the installation, operation, and maintenance of equipment which is installed in order to
supply such excess consumption, and the cost of the increased wear and tear on existing equipment
caused by such excess consumption; and Landlord may install devices to separately meter any
increased use and in such event Tenant shall pay the increased cost directly to Landlord, on
demand, including the cost of such additional metering devices. Tenant’s use of electricity shall
never exceed the capacity of the feeders to the Building or the risers or wiring installation. If
Tenant desires to use heat, ventilation or air conditioning during hours other than those for which
Landlord is obligated to supply such utilities pursuant to the terms of Section 6.1 of this
Lease, Tenant shall give Landlord such prior notice, as Landlord shall from time to time establish
as appropriate, of Tenant’s desired use and Landlord shall supply such utilities to Tenant at the
Landlord’s actual cost plus an administrative charge of ten percent (10%) (which shall be treated
as Additional Rent). Additionally, as part of Landlord’s responsibility to construct the Tenant
Improvements, Landlord shall bear the initial cost of all electrical, gas and water usage meters as
well as any other equipment specified in the construction documents required to provide such extra
services to Tenant.

Interruption of Use. Tenant agrees that Landlord shall not be liable for damages, by
abatement of Rent or otherwise, for failure to furnish or delay in furnishing any service
(including telephone and telecommunication services), or for any diminution in the quality or
quantity thereof, when such failure or delay or diminution is occasioned, in whole or in part, by
repairs, replacements, or improvements, by any strike, lockout or other labor trouble, by inability
to secure electricity, gas, water, or other fuel at the Building after reasonable effort to do so,
by any accident or casualty whatsoever, by act or default of Tenant or other parties, or by any
other cause beyond Landlord’s reasonable control; and such failures or delays or diminution shall
never be deemed to constitute an eviction or disturbance of Tenant’s use and possession of the
Premises or relieve Tenant from paying Rent or performing any of its obligations under this Lease.
Furthermore, Landlord shall not be liable under any circumstances for a loss of, or injury to,
property or for injury to, or interference with, Tenant’s business, including, without limitation,
loss of profits, however occurring, through or in connection with or incidental to a failure to
furnish any of the services or utilities as set forth in this Article 6. Landlord may
comply with voluntary controls or guidelines promulgated by any governmental entity relating to the
use or conservation of energy, water, gas, light or electricity or the reduction of automobile or
other emissions without creating any liability of Landlord to Tenant under this Lease, provided
that the Premises are not thereby rendered untenantable. Notwithstanding anything contained in
this Lease to the contrary, if there is any material slowdown, interruption or stoppage of any of
the services required to be provided by Landlord for a period in excess of three (3) consecutive
business days, or seven (7) non-consecutive business days in any six (6) month period, and provided
such cause is not the result of any “Force Majeure” (as defined in Section 28.16), and such
slowdown, interruption or stoppage materially interferes with the conduct of Tenant’s business at
the Premises, then Rent shall be abated in proportion to the affected portion of the Premises until
the problem is fully cured or remedied. In the event that only a portion of the Premises is
affected and the remaining portion is not sufficient to allow Tenant to conduct its business
therein, and if Tenant does not conduct its business from such remaining portion, Rent for the
entire Premises shall be abated until services are restored.

REPAIRS

Tenant’s Repair Obligations. Except as otherwise provided herein and subject to the
terms of Article 6, Tenant shall, at Tenant’s own expense, pursuant to the terms of this Lease,
including without limitation Article 8 hereof, keep the Premises, including all
improvements, fixtures and furnishings therein, in good order, repair and condition at all times
during the Lease Term except to the extent caused by Landlord’s acts or damage arising from any
casualty, normal wear and tear, or other events that are not the direct result of Tenant’s acts or
omissions. In addition, Tenant shall, at Tenant’s own expense but under the supervision and
subject to the prior approval of Landlord, and within any reasonable period of time specified by
Landlord, pursuant to the terms of this Lease, including without limitation Article 8
hereof, promptly and adequately repair all damage to the Premises and replace or repair all damaged
or broken fixtures and appurtenances; provided however, that, at Landlord’s option, or if Tenant
fails to make such repairs, Landlord may, but need not, make such repairs and replacements, and
Tenant shall pay Landlord the cost thereof, including a percentage of the cost thereof (to be
uniformly established for the Building) sufficient to reimburse Landlord for all overhead, general
conditions, fees and other costs or expenses arising from Landlord’s involvement with such repairs
and replacements forthwith upon being billed for same. Landlord may, but shall not be required to,
enter the Premises at all reasonable times to make such repairs, alterations, improvements and
additions to the Premises or to the Building or to any equipment located in the Building as
Landlord shall desire or deem necessary or as Landlord may be required to do by governmental or
quasi-governmental authority or court order or decree. Tenant hereby waives and releases its right
to make repairs at Landlord’s expense under Sections 1941 and 1942 of the California Civil Code or
under any similar law, statute, or ordinance now or hereafter in effect.

Landlord’s Repair Obligations. Landlord shall repair any and all items or Building systems
within or serving the Premises, which become injured, damage, or break, as a result of any event
that is not caused by Tenant’s negligence or willful

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misconduct and the cost of such repairs will
be borne by Landlord and may be included in the calculation of Building Operating Expenses as
stated in Article 4, Additional Rent. Landlord shall, at its sole cost and expense, shall be
solely responsible for the repair of all latent or patent structural defects in the Building prior
to and during the term of the Lease and any extensions thereof, which cost shall not be included in
the calculation of Building Operating Expenses as stated in Article 4. Landlord shall as a part of
its responsibilities maintain all landscaping of the Real Property surrounding the Building in a
manner comparable to other first class office buildings located in the Westlake Village office
sub-market.

ADDITIONS AND ALTERATIONS

Landlord’s Consent to Alterations. Tenant may not make any improvements, alterations,
additions or changes to the Premises (collectively, the “Alterations”) without first procuring the
prior written consent of Landlord to such Alterations, which consent shall be requested by Tenant
not less than thirty (30) days prior to the commencement thereof, and which consent shall not be
unreasonably withheld, conditioned, or delayed. The construction of the initial improvements to
the Premises shall be governed by the terms of the Tenant Work Letter, attached hereto as Exhibit
D, and not the terms of this  Article 8. Notwithstanding the foregoing, Tenant shall be
permitted to make non-structural Alterations without Landlord’s consent, so long as such
Alterations do not (i) affect Building systems, (ii) affect the structural elements of the
Building, and (iii) exceed a cost of $25,000 in any calendar year; provided however that Tenant
shall have the right to make cosmetic changes such as painting or carpeting so long as such changes
to not exceed a cost of $100,000 in any calendar year.

Manner of Construction. Landlord may impose, as a condition of its consent to all
Alterations or repairs of the Premises or about the Premises, such requirements as Landlord in its
reasonable discretion may deem desirable, including, but not limited to, the requirement that upon
Landlord’s request, Tenant shall, at Tenant’s expense, remove such Alterations upon the expiration
or any early termination of the Lease Term, and/or the requirement that Tenant utilize for such
purposes only contractors, materials, mechanics and materialmen selected by Landlord; provided,
however, that Landlord shall notify Tenant, at the time Tenant requests Landlord’s consent to make
Alterations, as to whether or not it shall require such Alterations shall be removed at the end or
the Lease Term or sooner expiration. Tenant shall be permitted to use contractors of its selection
to perform the Alterations, subject to Landlord’s reasonable approval by Landlord. If such
Alterations will involve the use of or disturb hazardous materials or substances existing in the
Premises, Tenant shall comply with Landlord’s rules and regulations concerning such hazardous
materials or substances. Tenant shall construct such Alterations and perform such repairs in
conformance with any and all applicable rules and regulations of any federal, state, county or
municipal code or ordinance and pursuant to a valid building permit, issued by the City of Westlake
Village, in conformance with Landlord’s construction rules and regulations. In performing the work
of any such Alterations, Tenant shall have the work performed in such manner as not to obstruct
access to the Building or the common areas for any other tenant of the Building, and as not to
obstruct the business of Landlord or other tenants in the Building. Tenant shall not use (and upon
notice from Landlord shall cease using) contractors, services, workmen, labor, materials or
equipment that, in Landlord’s reasonable judgment, would disturb labor harmony with the workforce
or trades engaged in performing other work, labor or services in or about the Building or the
Common Areas. Upon completion of any Alterations, Tenant agrees to cause a timely Notice of
Completion to be recorded in the office of the Recorder of the county in which the Building is
located in accordance with the terms of Section 3093 of the Civil Code of the State of California
or any successor statute, and Tenant shall deliver to the Building management office a reproducible
copy of the “as built” drawings of the Alterations as well as all permits, approvals and other
documents issued by any governmental agency in connection with the Alterations at Tenant’s cost.

Payment for Improvements. If payment is made directly to contractors, Tenant shall comply
with Landlord’s requirements for final lien releases and waivers in connection with Tenant’s
payment for work to contractors. Whether or not Tenant orders any work directly from Landlord,
Tenant shall not be required to pay to Landlord any fee to compensate Landlord for overhead,
general conditions, fees, or other costs and expenses arising from Landlord’s involvement with
such work.

Construction Insurance. In the event that Tenant makes any Alterations, Tenant agrees to
carry or cause its general contractor to carry “Builder’s All Risk” insurance in an amount approved
by Landlord covering the construction of such Alterations, and such other insurance as Landlord may
require, it being understood and agreed that all of such Alterations shall be insured by Tenant
pursuant to Article 10 of this Lease immediately upon completion thereof.

Landlord’s Property. All Alterations, improvements, fixtures and/or equipment which may be
installed or placed in or about the Premises, and all signs installed in, on or about the Premises,
from time to time, shall be at the sole cost of Tenant and shall be and become the property of
Landlord, except that Tenant may remove any Alterations, improvements, fixtures and/or equipment
which Tenant can substantiate to Landlord have not been paid for with any tenant improvement
allowance funds provided to Tenant by Landlord, provided Tenant repairs any damage to the Premises
and Building caused by such removal. Furthermore, if Landlord, as a condition to Landlord’s
consent to any Alteration, requires that Tenant remove any Alteration upon the expiration or early
termination of the Lease Term, Landlord may, by written notice to Tenant given at the time Tenant
requests Landlord’s consent for such Alterations, require Tenant at Tenant’s expense to

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remove such
Alterations and to repair any damage to the Premises and Building caused by such removal. If
Tenant fails to complete such removal and/or to repair any damage caused by the removal of any
Alterations, Landlord may do so and may charge the actual cost thereof to Tenant. Tenant hereby
protects, defends, indemnifies and holds Landlord harmless from any liability, cost, obligation,
expense or claim of lien in any manner relating to the installation, placement, removal or
financing of any such Alterations, improvements, fixtures and/or equipment in, on or about the
Premises, which obligations of Tenant shall survive the expiration or earlier termination of this
Lease.

COVENANT AGAINST LIENS

Tenant shall keep the Building and Premises free from any liens or encumbrances arising out of
the work performed, materials furnished or obligations incurred by or on behalf of Tenant, and
shall protect, defend, indemnify and hold Landlord harmless from and against any claims,
liabilities, judgments or costs (including, without limitation, reasonable attorneys’ fees and
costs) arising out of same or in connection therewith. Tenant shall give Landlord notice at least
twenty (20) days prior to the commencement of any such work on the Premises (or such additional
time as may be necessary under applicable laws) to afford Landlord the opportunity of posting and
recording appropriate notices of non-responsibility. Tenant shall remove any such lien or
encumbrance by bond or otherwise within thirty (30) days after notice by Landlord, and if Tenant
shall fail to do so, Landlord may pay the amount necessary to remove such lien or encumbrance,
without being responsible for investigating the validity thereof. The amount so paid shall be
deemed Additional Rent under this Lease payable upon demand, without limitation as to other
remedies available to Landlord under this Lease. Nothing contained in this Lease shall authorize
Tenant to do any act which shall subject Landlord’s title to the Building or Premises to any liens
or encumbrances whether claimed by operation of law or express or implied contract. Any claim to a
lien or encumbrance upon the Building or Premises arising in connection with any such work or
respecting the Premises not performed by or at the request of Landlord shall be null and void, or
at Landlord’s option shall attach only against Tenant’s interest in the Premises and shall in all
respects be subordinate to Landlord’s title to the Building and Premises.

INSURANCE

Indemnification and Waiver. Tenant hereby assumes all risk of damage to property or
injury to persons in, upon or about the Premises from any cause whatsoever and agrees that
Landlord, its partners, trustees, ancillary trustees and their respective officers, directors,
shareholders, beneficiaries, agents, servants, employees, and independent contractors
(collectively, the “Landlord Parties”) shall not be liable for any damage either to person or
property or resulting from the loss of use thereof, which damage is sustained by Tenant or by other
persons claiming through Tenant. Tenant shall indemnify, defend, protect, and hold harmless
Landlord Parties from any and all loss, cost, damage, expense and liability (including without
limitation court costs and reasonable attorneys’ fees) (collectively, “Losses and Liabilities”)
incurred in connection with or arising from any cause in, on or about the Premises or any acts,
omissions or negligence of Tenant or of any person claiming by, through or under Tenant, its
partners, and their respective officers, agents, servants, employees, and independent contractors
(collectively, the “Tenant Parties”), in, on or about the Real Property, either prior to, during,
or after the expiration of the Lease Term, provided that the terms of the foregoing indemnity shall
not apply to the negligence or willful misconduct of Landlord or the Landlord Parties. Landlord
shall indemnify, defend, protect and hold harmless Tenant from any Losses and Liabilities (i)
incurred in connection with or arising from any cause, in, on or about the Common Areas that is not
attributable to the negligence of willful misconduct of Tenant or any person claiming by, through
or under Tenant or the agents, servants and employees of Tenant or (ii) arising out of the
negligence or willful misconduct of Landlord or Landlord’s agents, servants and employees. Should
either party be named as a defendant in any suit brought against the other party in connection with
or arising out of an event covered by the foregoing indemnity, the indemnifying party shall pay to
the indemnified party its costs and expenses incurred in such suit, including without limitation,
its actual professional fees such as appraisers’, accountants’ and attorneys’ fees. Tenant’s
agreement to

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indemnify Landlord pursuant to this Section 10.1 is not intended and shall not
relieve any insurance carrier of its obligations under policies required to be carried by Tenant
pursuant to the provision of this Lease, to the extent such policies cover the matters subject to
the Tenant’s indemnification obligations; nor shall they supersede any inconsistent agreement of
the parties set forth in any other provision of this Lease. The provisions of this Section
10.1 shall survive the expiration or sooner termination of this Lease with respect to any
claims or liability occurring prior to such expiration or termination.

Tenant’s Compliance with Landlord’s Fire and Casualty Insurance. Tenant shall, at
Tenant’s expense, comply with all insurance company requirements pertaining to the use of the
Premises. If Tenant’s conduct or use of the Premises causes any increase in the premium for any
insurance policies carried by Landlord, then Tenant shall reimburse Landlord for any such increase.
Tenant, at Tenant’s expense, shall comply with all rules, orders, regulations or requirements of
the American Insurance Association (formerly the National Board of Fire Underwriters) and with any
similar body.

Tenant’s Insurance. Tenant shall maintain the following coverages in the following
amounts.

     Commercial General Liability Insurance covering the insured against claims of bodily
injury, personal injury and property damage arising out of Tenant’s operations, assumed liabilities
or use of the Premises, including fire/water legal liability and a Commercial General Liability
endorsement covering the insuring provisions of this Lease and the performance by Tenant of the
indemnity agreements set forth in Section 10.1 of this Lease, for limits of liability not
less than:

	 	 	 
	Bodily Injury and

	 	$3,000,000 each occurrence
	Property Damage Liability

	 	$3,000,000 annual aggregate
	 
	 	 
	Personal Injury Liability

	 	$3,000,000 each occurrence
	

	 	$3,000,000 annual aggregate
	

	 	0% Insured’s participation

     Physical Damage Insurance covering (i) all office furniture, trade fixtures, office
equipment, merchandise and all other items of Tenant’s property on the Premises installed by, for,
or at the expense of Tenant, (ii) the “Tenant Improvements,” as that term is defined in the Tenant
Work Letter, and any other improvements which exist in the Premises as of the Lease Commencement
Date (excluding the Base Building), and (iii) all other improvements, alterations and additions to
the Premises. Such insurance shall be written on an “all risks” of physical loss or damage basis,
for the full replacement cost value (subject to reasonable deductible amounts) new without
deduction for depreciation of the covered items and in amounts that meet any co-insurance clauses
of the policies of insurance and shall include coverage for damage or other loss caused by fire or
other peril including, but not limited to, vandalism and malicious mischief, theft, water damage of
any type, including sprinkler leakage, bursting or stoppage of pipes, and explosion, and providing
business interruption coverage for a period of one year.

     Worker’s Compensation and Employer’s Liability or other similar insurance pursuant to all
applicable state and local statutes and regulations.

     Business Interruption Insurance in the amount necessary to insure payment of Tenant’s
obligations to pay Rent hereunder for a period of not less than twelve (12) months; provided,
however, Tenant, at its sole discretion, shall be permitted to self-insure for Business
Interruption coverage.

Form of Policies. The minimum limits of policies of insurance required of Tenant under
this Lease shall in no event limit the liability of Tenant under this Lease. Such insurance shall
(i) name Landlord, and any other party the Landlord so specifies, as an additional insured,
including Landlord’s managing agent, if any; (ii) specifically cover the liability assumed by
Tenant under this Lease, including, but not limited to, Tenant’s obligations under Section 10.1 of
this Lease; (iii) be issued by an insurance company having a rating of not less than A-X in Best’s
Insurance Guide or which is otherwise acceptable to Landlord and licensed to do business in the
State of California; (iv) be primary insurance as to all claims thereunder and provide that any
insurance carried by Landlord is excess and is non-contributing with any insurance requirement of
Tenant; (v) be in form and content reasonably acceptable to Landlord; and (vi) provide that said
insurance shall not be canceled or coverage changed unless thirty (30) days’ prior written notice
shall have been given to Landlord and any mortgagee of Landlord. Tenant shall deliver said policy
or policies or certificates (including endorsements)

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thereof to Landlord on or before the Lease
Commencement Date and at least twenty (20) days before the expiration dates thereof. In the event
Tenant shall fail to procure such insurance, or to deliver such policies or certificate, Landlord
may, at its option and upon ten (10) day prior written notice to Tenant, procure such policies for
the account of Tenant, and the cost thereof shall be paid to Landlord within five (5) days after
delivery to Tenant of bills therefor.

Subrogation. Landlord and Tenant intend that their respective property loss risks
shall be borne by reasonable insurance carriers to the extent above provided, and Landlord and
Tenant hereby agree to look solely to, and seek recovery only from, their respective insurance
carriers in the event of a property loss to the extent that such coverage is agreed to be provided
hereunder. The parties each hereby waive all rights and claims against each other for such losses,
and waive all rights of subrogation of their respective insurers, provided such waiver of
subrogation shall not affect the right of the insured to recover thereunder. The parties agree
that their respective insurance policies are now, or shall be, endorsed such that the waiver of
subrogation shall not affect the right of the insured to recover thereunder, so long as no material
additional premium is charged therefore.

Additional Insurance Obligations. Notwithstanding anything to the contrary contained in
this Lease, in the event of any termination of this Lease pursuant to Article 11 or
Article 13 below, Tenant shall assign and deliver to Landlord (or to any party designated
by Landlord) all insurance proceeds payable to Tenant under Tenant’s insurance required under
Section 10.3 of this Lease.

Landlord’s Insurance. As part of Operating Expenses, Landlord shall carry such insurance
with respect to the Building and Project, of the types and amounts as Landlord shall reasonably
deem appropriate, based on practices of prudent owners of comparable first-class projects in the
Thousand Oaks-Westlake Village, California area, provided, however, Landlord shall carry Commercial
General Liability Insurance in a coverage amount at least equal to the minimum coverage required by
Tenant.

DAMAGE AND DESTRUCTION

Repair of Damage to Premises by Landlord. Tenant shall promptly notify Landlord of any
damage to the Premises, of which it has actual knowledge, resulting from fire or any other
casualty. If the Premises or any common areas of the Building serving or providing access to the
Premises shall be damaged by fire or other casualty, Landlord shall promptly and diligently,
subject to reasonable delays for insurance adjustment or other matters beyond Landlord’s reasonable
control, and subject to all other terms of this  Article 11, restore the base, shell, and
core of the Premises and such common areas. Such restoration shall be to substantially the same
condition of the base, shell, and core of the Premises and common areas prior to the casualty,
except for modifications required by zoning and building codes and other laws or by the holder of a
mortgage on the Building or any other modifications to the common areas deemed desirable by
Landlord, provided access to the Premises and any common restrooms serving the Premises shall not
be materially impaired. Upon the occurrence of any damage to the Premises, upon notice (the
“Landlord Repair Notice”) to Tenant from Landlord, Tenant shall assign to Landlord (or to any party
designated by Landlord) all insurance proceeds payable to Tenant under Tenant’s insurance required
under Section 10.3.2 (ii) and (iii) of this Lease, and Landlord shall repair any injury or damage
to the Tenant Improvements installed in the Premises and shall return such Tenant Improvements to
their original condition; provided that if the cost of such repair by Landlord exceeds the amount
of insurance proceeds received by Landlord from Tenant’s insurance carrier, as assigned by Tenant,
the cost of such repairs shall be paid by Tenant. Upon receipt of Landlord Repair Notice, prior
to the commencement of construction, Tenant shall submit to Landlord, for Landlord’s review and
approval, any changes to the original construction documents including all plans, specifications
and working drawings relating thereto, and Landlord shall select the contractors to perform such
improvement work. Landlord shall not be liable for any inconvenience or annoyance to Tenant or its
visitors, or injury to Tenant’s business resulting in any way from such damage or the repair
thereof; provided however, that if such fire or other casualty shall have damaged the Premises or
Common Areas necessary to Tenant’s occupancy, Landlord shall allow Tenant an abatement of all Rent
during the time the Premises or Building are inaccessible or unfit for occupancy for the purposes
permitted under this Lease; provided, further, however, that if the damage or destruction is due to
the negligence or willful misconduct of Tenant or any of its agents, employees, contractors,
invitees or guests, Tenant shall be responsible for any reasonable, applicable insurance deductible
(which shall be payable to Landlord upon demand) and there shall be no rent abatement. In the
event that Landlord shall not deliver the Landlord Repair Notice, Tenant’s right to rent abatement
pursuant to the preceding sentence shall terminate as of the date which is reasonably determined by
Landlord to be the date Tenant should have completed repairs to the Premises assuming Tenant used
reasonable due diligence in connection therewith.

Landlord’s Option to Repair. Notwithstanding the terms of Section 11.1 of this
Lease, Landlord may elect not to rebuild and/or restore the Premises and/or Building and instead
terminate this Lease by notifying Tenant in writing of such

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termination within sixty (60) days
after the date of damage, such notice to include a termination date giving Tenant one hundred
eighty (180) days to vacate the Premises, but Landlord may so elect only if the Building shall be
damaged by fire or other casualty or cause, whether or not the Premises are affected, and one or
more of the following conditions is present: (i) repairs cannot reasonably be completed within one
hundred eighty (180) days of the date of damage (when such repairs are made without the payment of
overtime or other premiums); (ii) the holder of any mortgage on the Building or ground lessor with
respect to the Real Property shall require that the insurance proceeds or any portion thereof be
used to retire the mortgage debt, or shall terminate the ground lease, as the case may be; (iii)
the damage is not fully covered, except for deductible amounts, by Landlord’s insurance policies;
or (iv) the damage occurs during the last twelve (12) months of the Lease Term. In addition, in
the event that Landlord determines that repairs cannot be reasonably completed within one hundred
eighty (180) days of the date of the damage or if the damage occurs during the last twelve (12)
months of the Lease Term, Tenant shall have the option to terminate this Lease by giving written
notice to Landlord of the exercise of such option within thirty (30) days after the occurrence of
the damage (in the case of damage occurring during the last twelve months of the Lease Term) or
Landlord notifies Tenant of the estimated repair completion date, in which event this Lease shall
cease and terminate. Upon such termination, Tenant shall pay any Rent then outstanding, properly
apportioned up to the date of termination, and both parties shall thereafter be freed and
discharged of all further obligations hereunder, except as provided for in provisions of this Lease
which by their terms survive the expiration or earlier termination of the Lease Term.

Waiver of Statutory Provisions. The provisions of this Lease, including this
Article 11, constitute an express agreement between Landlord and Tenant with respect to any
and all damage to, or destruction of, all or any part of the Premises, the Building or any other
portion of the Real Property, and any statute or regulation of the State of California, including,
without limitation, Sections 1932(2) and 1933(4) of the California Civil Code, with respect to any
rights or obligations concerning damage or destruction in the absence of an express agreement
between the parties, and any other statute or regulation, now or hereafter in effect, shall have no
application to this Lease or any damage or destruction to all or any part of the Premises, the
Building or any other portion of the Real Property.

NONWAIVER

No waiver of any provision or breach of this Lease shall be implied by any failure of Landlord
to enforce any remedy on account of the violation of such provision, even if such violation shall
continue or be repeated subsequently, any waiver by Landlord of any provision of this Lease may
only be in writing, and no express waiver shall affect any provision other than the one specified
in such waiver and that one only for the time and in the manner specifically stated. Forbearance
by Landlord in enforcement of one or more of the remedies herein provided upon an event of default
shall not be deemed or construed to constitute a waiver of such default. The acceptance of any
Rent hereunder by Landlord following the occurrence of any default, whether or not known to
Landlord, shall not be deemed a waiver of any such default, except only a default in the payment of
the Rent so accepted.

CONDEMNATION

If the whole or any part of the Premises or Building shall be taken by power of eminent domain
or condemned by any competent authority for any public or quasi-public use or purpose, or if any
adjacent property or street shall be so taken or condemned, or reconfigured or vacated by such
authority in such manner as to require the use, reconstruction or remodeling of any part of the
Premises or Building, or if Landlord shall grant a deed or other instrument in lieu of such taking
by eminent domain or condemnation, Landlord shall have the option to terminate this Lease effective
as of the date possession is required to be surrendered to the authority. If more than twenty-five
percent (25%) of the rentable square feet of the Premises or Tenant’s parking spaces are taken, or
if access to the Premises is substantially

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impaired, in each case for a period in excess of one
hundred eighty (180) days, Tenant shall have the option to terminate this Lease effective as of the
date possession is required to be surrendered to the authority. Tenant shall not because of such
taking assert any claim against Landlord or the authority for any compensation because of such
taking and Landlord shall be entitled to the entire award or payment in connection therewith,
except that Tenant shall have the right to file any separate claim available to Tenant for any
taking of Tenant’s personal property and fixtures belonging to Tenant and removable by Tenant upon
expiration of the Lease Term pursuant to the terms of this Lease, and for moving expenses, so long
as such claims do not diminish the award available to Landlord or its mortgagee, and such claim is
payable separately to Tenant. All Rent shall be apportioned as of the date of such termination.
If any part of the Premises shall be taken, and this Lease shall not be so terminated, the Rent
shall be proportionately abated. Tenant hereby waives any and all rights it might otherwise have
pursuant to Section 1265.130 of the California Code of Civil Procedure. Notwithstanding anything
to the contrary contained in this Article 13, in the event of a temporary taking of all or any
portion of the Premises for a period of one hundred and eighty (180) days or less, then this Lease
shall not terminate but the Base Rent and the Additional Rent shall be abated for the period of
such taking in proportion to the ratio that the amount of rentable square feet of the Premises
taken bears to the total rentable square feet of the Premises. Landlord shall be entitled to
receive the entire award made in connection with any such temporary taking.

ASSIGNMENT AND SUBLETTING

Transfers. Tenant shall not, without the prior written consent of Landlord, which
shall not be unreasonably withheld, conditioned, or delayed, assign, mortgage, pledge, hypothecate,
encumber, or permit any lien to attach to, or otherwise transfer, this Lease or any interest
hereunder, permit any assignment or other such foregoing transfer of this Lease or any interest
hereunder by operation of law, sublet the Premises or any part thereof, or permit the use of the
Premises by any persons other than Tenant and its employees (all of the foregoing are hereinafter
sometimes referred to collectively as “Transfers” and any person to whom any Transfer is made or
sought to be made is hereinafter sometimes referred to as a “Transferee”). If Tenant shall desire
Landlord’s consent to any Transfer, Tenant shall notify Landlord in writing, which notice (the
“Transfer Notice”) shall include (i) the proposed effective date of the Transfer, which shall not
be less than thirty (30) days nor more than one hundred eighty (180) days after the date of
delivery of the Transfer Notice, (ii) a description of the portion of the Premises to be
transferred (the “Subject Space”), (iii) all of the terms of the proposed Transfer and the
consideration therefor, including a calculation of the “Transfer Premium,” as that term is defined
in Section 14.3, below, in connection with such Transfer, the name and address of the proposed
Transferee, and a copy of all existing and/or proposed documentation pertaining to the proposed
Transfer, including all existing operative documents to be executed to evidence such Transfer or
the agreements incidental or related to such Transfer, (iv) current financial statements of the
proposed Transferee certified by an officer, partner or owner thereof, and any other information
required by Landlord, which will enable Landlord to determine the financial responsibility,
character, and reputation of the proposed Transferee, nature of such Transferee’s business and
proposed use of the Subject Space, and (v) an executed estoppel certificate from Tenant in the form
attached hereto as Exhibit E. Any Transfer made without Landlord’s prior written consent shall, at
Landlord’s option, be null, void and of no effect, and shall, at Landlord’s option, constitute a
default by Tenant under  Section 19.1.7 of this Lease. Whether or not Landlord shall grant
consent, Tenant shall pay Landlord’s review and processing fees, which shall not exceed $1,000.00
per occurrence, within thirty (30) days after written request by Landlord.

Landlord’s Consent. Landlord shall not unreasonably withhold, condition, or delay its
consent to any proposed Transfer of the Subject Space to the Transferee on the terms specified in
the Transfer Notice. The parties hereby agree that it shall be deemed to be reasonable under this
Lease and under any applicable law for Landlord to withhold consent to any proposed Transfer where
one or more of the following apply, without limitation as to other reasonable grounds for
withholding consent:

     The Transferee is of a character or reputation or engaged in a business which is not
consistent with the quality of the Building;

     The Transferee is either a governmental agency or instrumentality thereof (i) which is that of
a foreign country, (ii) which is of a character or reputation, is engaged in a business, or is of,
or is associated

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with, a political orientation or faction, which is inconsistent with the quality
of the Building, or which would otherwise reasonably offend a landlord of a comparable building
located in the vicinity of the Building, (iii) which is capable of exercising the power of eminent
domain or condemnation, or (iv) which would significantly increase the human traffic in the
Premises or Building;

The Transferee’s intended use of the Premises is inconsistent with the Permitted Use;

     The Transferee is not a party of reasonable financial worth and/or financial stability in
light of the responsibilities involved under the Lease on the date consent is requested;

     The proposed Transfer would cause Landlord to be in violation of another lease or agreement to
which Landlord is a party, or would give an occupant of the Building a right to cancel its lease;

     The terms of the proposed Transfer will allow the Transferee to exercise a right of renewal,
right of expansion, right of first offer, or other similar right held by Tenant (or will allow the
Transferee to occupy space leased by Tenant pursuant to any such right);

Notwithstanding anything to the contrary in this Lease, if Tenant or any proposed Transferee
claims that Landlord has unreasonably withheld or delayed its consent under Section 14.2 or
otherwise has breached or acted unreasonably under this Article 14, their sole remedies
shall be declaratory judgment and an injunction for the relief sought without any monetary damages,
and Tenant hereby waives all other remedies on its own behalf and, to the extent permitted under
all applicable laws, on behalf of the proposed Transferee. Tenant shall indemnify, defend and hold
harmless Landlord from any and all liability, losses, claims, damages, costs, expenses, causes of
action and proceedings involving any third party or parties (including without limitation Tenant’s
proposed subtenant or assignee) who claim they were damaged by Landlord’s withholding or
conditioning of Landlord’s consent unless such withholding or conditioning is found to have been
wrongful. If Landlord consents to any Transfer pursuant to the terms of this Section 14.2,
Tenant may within six (6) months after Landlord’s consent, but not later than the expiration of
said six-month period, enter into such Transfer of the Premises or portion thereof, upon
substantially the same terms and conditions as are set forth in the Transfer Notice furnished by
Tenant to Landlord pursuant to Section 14.1 of this Lease, provided that if there are any
changes in the terms and conditions from those specified in the Transfer Notice (i) such that
Landlord would initially have been entitled to refuse its consent to such Transfer under this
Section 14.2, or (ii) which would cause the proposed Transfer to be more favorable to the
Transferee than the terms set forth in Tenant’s original Transfer Notice, Tenant shall again submit
the Transfer to Landlord for its approval and other action under this Article 14 (including
Landlord’s right of recapture, if any, under Section 14.4 of this Lease).

Transfer Premium. If Landlord consents to a Transfer, as a condition thereto which the
parties hereby agree is reasonable, Tenant shall pay to Landlord fifty percent (50%) of any
“Transfer Premium,” as that term is defined in this  Section 14.3, received by Tenant from
such Transferee. “Transfer Premium” shall mean all rent, additional rent or other consideration
payable by such Transferee in excess of the Rent and Additional Rent payable by Tenant under this
Lease, on a per rentable square foot basis if less than all of the Premises is transferred, after
deducting the reasonable expenses incurred by Tenant for (i) any changes, alterations and
improvements to the Premises in connection with the Transfer or any improvement allowances provided
to Transferee in connection therewith, (ii) any brokerage commissions in connection with the
Transfer, and (iii) any costs to buy-out or takeover the previous lease of a Transferee. “Transfer
Premium” shall also include, but not be limited to, key money and bonus money paid by Transferee to
Tenant in connection with such Transfer, and any payment in excess of fair market value for
services rendered by Tenant to Transferee or for assets, fixtures, inventory, equipment, or
furniture transferred by Tenant to Transferee in connection with such Transfer. In the
calculations of the Rent (as it relates to the Transfer Premium calculated under this  Section
14.3), and the Transferee’s Rent and Quoted Rent under  Section 14.2 of this Lease, the
Rent paid during each annual period for the Subject Space, and the Transferee’s Rent and the Quoted
Rent, shall be computed after adjusting such rent to the actual effective rent to be paid, taking
into consideration any and all leasehold concessions granted in connection therewith, including,
but not limited to, any rent credit and tenant improvement allowance. For purposes of calculating
any such effective rent, all such concessions shall be amortized on a straight-line basis over the
relevant term.

Effect of Transfer. If Landlord consents to a Transfer, (i) the terms and conditions of
this Lease shall in no way be deemed to have been waived or modified, (ii) such consent shall not
be deemed consent to any further Transfer by either Tenant or a Transferee, (iii) Tenant shall
deliver to Landlord, promptly after execution, an original executed copy of all

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documentation
pertaining to the Transfer in form reasonably acceptable to Landlord, (iv) Tenant shall furnish
upon Landlord’s request a complete statement, certified by an independent certified public
accountant, or Tenant’s chief financial officer, setting forth in detail the computation of any
Transfer Premium Tenant has derived and shall derive from such Transfer, and (v) no Transfer
relating to this Lease or agreement entered into with respect thereto, whether with or without
Landlord’s consent, shall relieve Tenant or any guarantor of the Lease from liability under this
Lease. Landlord or its authorized representatives shall have the right at the end of every
calendar year to audit the books, records and papers of Tenant relating to any Transfer, and shall
have the right to make copies thereof. If the Transfer Premium respecting any Transfer shall be
found understated, Tenant shall, within thirty (30) days after demand, pay the deficiency and
Landlord’s costs of such audit.

Additional Transfers. For purposes of this Lease, the term “Transfer” shall also include
(i) if Tenant is a partnership, the withdrawal or change, voluntary, involuntary or by operation of
law, of fifty percent (50%) or more of the partners, or transfer of fifty percent (50%) or more of
partnership interests, within a twelve (12)-month period, or the dissolution of the partnership
without immediate reconstitution thereof, and (ii) if Tenant is a closely held corporation (i.e.,
whose stock is not publicly held and not traded through an exchange or over the counter), the
dissolution, merger, consolidation or other reorganization of Tenant, the sale or other transfer of
more than an aggregate of fifty percent (50%) of the voting shares of Tenant (other than to
immediate family members by reason of gift or death), within a twelve (12)-month period.

Permitted Transfers. Notwithstanding anything to the contrary contained this Article 14,
none of (i) an assignment or subletting of all of the Premises to an entity which is controlled by,
controls, or is under common control with, Tenant (an “Affiliate”), (ii) a public stock offering,
or (iii) an assignment of subletting of all of the Premises to any person or entity resulting from
a consolidation or merger with Tenant or to the purchaser of all or substantially all of Tenant’s
assets (provided that such person or entity has a net worth equal to Tenant’s net worth as of the
date of this Lease), shall be deemed a Transfer, under this Article 14, provided that Tenant
notifies Landlord thirty (30) days prior to any such assignment or sublease or public stock
offering, and provided further that such assignment or sublease is not a subterfuge by Tenant to
avoid its obligations under this Lease.

Occurrence of Default. Any Transfer hereunder shall be subordinate and subject to the
provisions of this Lease, and if this Lease shall be terminated during the term of any Transfer,
Landlord shall have the right to: (i) treat such Transfer as cancelled and repossess the Subject
Space by any lawful means, or (ii) require that such Transferee attorn to and recognize Landlord as
its landlord under any such Transfer. If Tenant shall be in default under this Lease, Landlord is
hereby irrevocably authorized, as Tenant’s agent and attorney-in-fact, to direct any Transferee to
make all payments under or in connection with the Transfer directly to Landlord (which Landlord
shall apply towards Tenant’s obligations under this Lease) until such default is cured. Such
Transferee shall rely on any representation by Landlord that Tenant is in default hereunder,
without any need for confirmation thereof by Tenant. Upon any assignment, the assignee shall
assume in writing all obligations and covenants of Tenant thereafter to be performed or observed
under this Lease. No collection or acceptance of rent by Landlord from any Transferee shall be
deemed a waiver of any provision of this Article 14 or the approval of any Transferee or a release
of Tenant from any obligation under this Lease, whether theretofore or thereafter accruing. In no
event shall Landlord’s enforcement of any provision of this Lease against any Transferee be deemed
a waiver of Landlord’s right to enforce any term of this Lease against Tenant or any other person.
If Tenant’s obligations hereunder have been guaranteed, Landlord’s consent to any Transfer shall
not be effective unless the guarantor also consents to such Transfer.

SURRENDER OF PREMISES; REMOVAL OF TRADE FIXTURES

Surrender of Premises. No act or thing done by Landlord or any agent or employee of
Landlord during the Lease Term shall be deemed to constitute an acceptance by Landlord of a
surrender of the Premises unless such intent is specifically acknowledged in a writing signed by
Landlord. The delivery of keys to the Premises to Landlord or any agent or employee of Landlord
shall not constitute a surrender of the Premises or effect a termination of this Lease, whether or
not the keys are thereafter retained by Landlord, and notwithstanding such delivery Tenant shall be
entitled to the return of such keys at any reasonable time upon request until this Lease shall have
been terminated. The voluntary or other surrender of this Lease by Tenant, whether accepted by
Landlord or not, or a mutual termination hereof, shall not work a merger, and at the option of
Landlord shall operate as an assignment to Landlord of all subleases or subtenancies affecting the
Premises.

Removal of Tenant Property by Tenant. Upon the expiration of the Lease Term, or upon any
earlier termination of this Lease, Tenant shall, subject to the provisions of this  Article
15, quit and surrender possession of the Premises to Landlord in as good order and condition as
when Tenant took possession and as thereafter improved by Landlord and/or Tenant, reasonable wear
and tear and repairs which are specifically made the responsibility of Landlord hereunder excepted.
Upon such expiration or termination, Tenant shall, without expense to Landlord, remove or cause to
be removed from the Premises all debris and rubbish, and such items of furniture, equipment,
free-standing cabinet work, and other articles of

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personal property owned by Tenant or installed or
placed by Tenant at its expense in the Premises, and such similar articles of any other persons
claiming under Tenant, as Landlord may, in its sole discretion, require to be removed, and Tenant
shall repair at its own expense all damage to the Premises and Building resulting from such
removal.

HOLDING OVER

If Tenant holds over after the expiration of the Lease Term hereof, with or without the
express or implied consent of Landlord, such tenancy shall be from month-to-month only, and shall
not constitute a renewal hereof or an extension for any further term, and in such case Rent shall
be payable at a monthly rate equal to one hundred twenty-five percent (125%) of the Rent applicable
during the last rental period of the Lease Term under this Lease. Such month-to-month tenancy
shall be subject to every other term, covenant and agreement contained herein. Nothing contained
in this Article 16 shall be construed as consent by Landlord to any holding over by Tenant,
and Landlord expressly reserves the right to require Tenant to surrender possession of the Premises
to Landlord as provided in this Lease upon the expiration or other termination of this Lease. The
provisions of this Article 16 shall not be deemed to limit or constitute a waiver of any
other rights or remedies of Landlord provided herein or at law. Tenant acknowledges that if Tenant
holds over without Landlord’s consent, such holding over may compromise or otherwise affect
Landlord’s ability to enter into new leases with prospective tenants regarding the Premises.
Therefore, if Tenant fails to surrender the Premises upon the termination or expiration of this
Lease, in addition to any other liabilities to Landlord accruing therefrom, Tenant shall protect,
defend, indemnify and hold Landlord harmless from all loss, costs (including reasonable attorneys’
fees) and liability resulting from such failure, including, without limiting the generality of the
foregoing, any claims made by any succeeding tenant founded upon such failure to surrender, and any
losses suffered by Landlord, including lost profits, resulting from such failure to surrender.

ESTOPPEL CERTIFICATES

Within fifteen (15) days following a request in writing by Landlord, Tenant shall execute and
deliver to Landlord an estoppel certificate, which, as submitted by Landlord, shall be
substantially in the form of Exhibit E, attached hereto, (or such other form as may be required by
any prospective mortgagee or purchaser of the Building, or any portion thereof), indicating therein
any exceptions thereto that may exist at that time, and shall also contain any other information
reasonably requested by Landlord or Landlord’s mortgagee or prospective mortgagee or purchasers.
Tenant shall execute and deliver whatever other instruments may be reasonably required for such
purposes. At any time during the Lease Term, Landlord may require Tenant to provide Landlord with
a current financial statement and financial statements of the two (2) years prior to the current
financial statement year, but not more frequently than once per calendar year. Such statements
shall be prepared in accordance with generally accepted accounting principles and, if such is the
normal practice of Tenant, shall be audited by an independent certified public accountant. Failure
of Tenant to timely execute and deliver such estoppel certificate or other instruments where such
failure continues for a period of three (3) days after the date Tenant receives written notice from
Landlord of such failure shall constitute an acceptance of the Premises and an acknowledgment by
Tenant that statements included in the estoppel certificate are true and correct, without
exception. Any such financial

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statements shall be treated by Landlord as confidential and not
disclosed to third parties unless the Tenant is a publicly traded company.

SUBORDINATION

Landlord warrants and represents that as of the date of this Lease, there are no ground or
underlying leases of the Real Property nor any mortgages or trust deeds encumbering the Real
Property or the Building. This Lease shall be subject and subordinate to all present and future
ground or underlying leases of the Real Property and to the lien of any mortgages or trust deeds,
now or hereafter in force against the Real Property and the Building, if any, and to all renewals,
extensions, modifications, consolidations and replacements thereof, and to all advances made or
hereafter to be made upon the security of such mortgages or trust deeds, unless the holders of such
mortgages or trust deeds, or the lessors under such ground lease or underlying leases, require in
writing that this Lease be subject and subordinate thereto. In consideration of, and as a
condition precedent to, Tenant’s agreement to permit its interest pursuant to this Lease to be
subordinated to any particular future ground or underlying lease of the Building or the Real
Property or to the lien of any first mortgage or trust deed, hereafter enforced against the
Building or the Real Property and to any renewals, extensions, modifications, consolidations and
replacements thereof, Landlord shall deliver to Tenant a commercially reasonable non-disturbance
agreement executed by the landlord under such ground lease or underlying lease or the holder of
such mortgage or trust deed providing that as long as Tenant is not in default under this Lease,
the Lease shall remain in effect for the full Lease Term. Tenant covenants and agrees in the event
any proceedings are brought for the foreclosure of any such mortgage, to attorn, without any
deductions or setoffs whatsoever, to the purchaser upon any such foreclosure sale if so requested
to do so by such purchaser, and to recognize such purchaser as the lessor under this Lease. Tenant
shall, within ten (10) business days of request by Landlord, execute such further instruments or
assurances as Landlord may reasonably deem necessary to evidence or confirm the subordination or
superiority of this Lease to any such mortgages, trust deeds, ground leases or underlying leases.

DEFAULTS; REMEDIES

Defaults. The occurrence of any of the following shall constitute a default of this
Lease by Tenant:

     Any failure by Tenant to pay any Rent or any other charge required to be paid under this
Lease, or any part thereof, where such failure continues for a period of five (5) days after notice
from Landlord to Tenant that the same is due; or

     Except where a specific time period is otherwise set forth for Tenant’s performance in this
Lease, in which event the failure to perform by Tenant within such time period shall be a default
by Tenant under this Section 19.1.2, any failure by Tenant to observe or perform any other
provision, covenant or condition of this Lease to be observed or performed by Tenant where such
failure continues for thirty (30) days after written notice thereof from Landlord to Tenant;
provided however, that any such notice shall be in lieu of, and not in addition to, any notice
required under California Code of Civil Procedure Section 1161 or any similar or successor law; and
provided further that if the nature of such default is such that the same cannot

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reasonably be
cured within a thirty (30) day period, Tenant shall not be deemed to be in default if it diligently
commences such cure within such period and thereafter diligently proceeds to rectify and cure said
default, as soon as possible, but in no event exceeding a period of time in excess of sixty (60)
days after written notice thereof from Landlord to Tenant; or

     To the extent permitted by law, a general assignment by Tenant or any guarantor of the Lease
for the benefit of creditors, or the taking of any corporate action in furtherance of bankruptcy or
dissolution whether or not there exists any proceeding under an insolvency or bankruptcy law, or
the filing by or against Tenant or any guarantor of any proceeding under an insolvency or
bankruptcy law, unless in the case of a proceeding filed against Tenant or any guarantor the same
is dismissed within sixty (60) days, or the appointment of a trustee or receiver to take possession
of all or substantially all of the assets of Tenant or any guarantor, unless possession is restored
to Tenant or such guarantor within sixty (60) days, or any execution or other judicially authorized
seizure of all or substantially all of Tenant’s assets located upon the Premises or of Tenant’s
interest in this Lease, unless such seizure is discharged within thirty (30) days; or

     The failure by Tenant to observe or perform according to the provisions of Articles 5, 14, 17
or 18 of this Lease where such failure continues for more than five (5) business days after notice
from Landlord; or

     The notice periods provided herein are in lieu of, and not in addition to, any notice periods
provided by law.

Remedies Upon Default. Upon the occurrence of a default by Tenant, Landlord shall
have, in addition to any other remedies available to Landlord at law or in equity (all of which
remedies shall be distinct, separate and cumulative), the option to pursue any one or more of the
following remedies, each and all of which shall be cumulative and nonexclusive, without any notice
or demand whatsoever.

     Terminate this Lease, in which event Tenant shall immediately surrender the Premises to
Landlord, and if Tenant fails to do so, Landlord may, without prejudice to any other remedy which
it may have for possession or arrearages in rent, enter upon and take possession of the Premises
and expel or remove Tenant and any other person who may be occupying the Premises or any part
thereof, without being liable for prosecution or any claim or damages therefor; and Landlord may
recover from Tenant the following:

     The worth at the time of award of any unpaid rent which has been earned at the
time of such termination; plus

     The worth at the time of award of the amount by which the unpaid rent which would have
been earned after termination until the time of award exceeds the amount of such rental loss
that Tenant proves could have been reasonably avoided; plus

     The worth at the time of award of the amount by which the unpaid rent for the balance
of the Lease Term after the time of award exceeds the amount of such rental loss that Tenant
proves could have been reasonably avoided; plus

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     Any other amount necessary to compensate Landlord for all the detriment
proximately caused by Tenant’s failure to perform its obligations under this Lease or which
in the ordinary course of things would be likely to result therefrom, specifically including
but not limited to, brokerage commissions and advertising expenses incurred, expenses of
remodeling the Premises or any portion thereof for a new tenant, whether for the same or a
different use, and any special concessions made to obtain a new tenant; and

     At Landlord’s election, such other amounts in addition to or in lieu of the foregoing
as may be permitted from time to time by applicable law.

The term “rent” as used in this Section 19.2 shall be deemed to be and to mean all
sums of every nature required to be paid by Tenant pursuant to the terms of this Lease, whether to
Landlord or to others. As used in Paragraphs 19.2.1(i) and (ii), above, the “worth at the time of
award” shall be computed by allowing interest at the rate set forth in Article 25 of this
Lease, but in no case greater than the maximum amount of such interest permitted by law. As used
in Paragraph 19.2.1(iii) above, the “worth at the time of award” shall be 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%).

     Landlord shall have the remedy described in California Civil Code Section 1951.4 (lessor
may continue lease in effect after lessee’s breach and abandonment and recover Rent as it becomes
due, if lessee has the right to sublet or assign, subject only to reasonable limitations).
Accordingly, if Landlord does not elect to terminate this Lease on account of any default by
Tenant, Landlord may, from time to time, without terminating this Lease, enforce all of its rights
and remedies under this Lease, including the right to recover all rent as it becomes due.

     Landlord shall at all times have the rights and remedies (which shall be cumulative with each
other and cumulative and in addition to those rights and remedies available under Sections 19.2.1
and 19.2.2, above, or any law or other provision of this Lease), without prior demand or notice
except as required by applicable law, to seek any declaratory, injunctive or other equitable
relief, and specifically enforce this Lease, or restrain or enjoin a violation or breach of any
provision hereof.

Subleases of Tenant. Whether or not Landlord elects to terminate this Lease on account
of any default by Tenant, as set forth in this  Article 19, Landlord shall have the right to
terminate any and all subleases, licenses, concessions or other consensual arrangements for
possession entered into by Tenant and affecting the Premises or may, in Landlord’s sole discretion,
succeed to Tenant’s interest in such subleases, licenses, concessions or arrangements. In the
event of Landlord’s election to succeed to Tenant’s interest in any such subleases, licenses,
concessions or arrangements, Tenant shall, as of the date of notice by Landlord of such election,
have no further right to or interest in the rent or other consideration receivable thereunder.

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Form of Payment After Default. Following the occurrence of an event of default by
Tenant, Landlord shall have the right to require that any or all subsequent amounts paid by Tenant
to Landlord hereunder, whether to cure the default in question or otherwise, be paid in the form of
money order, cashier’s or certified check drawn on an institution acceptable to Landlord, or by
other means reasonably approved by Landlord, notwithstanding any prior practice of accepting
payments in any different form.

Efforts to Relet. No re-entry or repossession, repairs, maintenance, changes, alterations
and additions,  reletting, appointment of a receiver to protect Landlord’s interests
hereunder, or any other action or omission by Landlord shall be construed as an election by
Landlord to terminate this Lease or Tenant’s right to possession, or to accept a surrender of the
Premises, nor shall same operate to release Tenant in whole or in part from any of Tenant’s
obligations hereunder, unless express written notice of such intention is sent by Landlord to
Tenant. Tenant hereby irrevocably waives any right otherwise available under any law to redeem or
reinstate this Lease.

Landlord Default. Notwithstanding anything to the contrary set forth in this Lease,
Landlord shall be in default in the performance of any obligations required to be performed by
Landlord pursuant to this Lease if Landlord fails to perform such obligation within thirty (30)
days after the receipt of notice from Tenant, specifying Landlord’s failure to perform, provided,
however, if the nature of Landlord’s obligation is such that more than thirty (30) days are
required for its performance, then Landlord shall not be in default under this Lease if it shall
commence such performance within such thirty (30) day period and thereafter diligently pursue the
same to completion. Upon any such default by Landlord under this Lease, Tenant may exercise any of
its rights provided by law or in equity.

COVENANT OF QUIET ENJOYMENT

Landlord covenants that Tenant, on paying the Rent, charges for services and other payments
herein reserved and on keeping, observing and performing all the other terms, covenants,
conditions, provisions and agreements herein contained on the part of Tenant to be kept, observed
and performed, shall, during the Lease Term, peaceably and quietly have, hold and enjoy the
Premises subject to the terms, covenants, conditions, provisions and agreements hereof without
interference by any persons lawfully claiming by or through Landlord. The foregoing covenant is in
lieu of any other covenant express or implied.

SECURITY DEPOSIT

Concurrent with Tenant’s execution of this Lease, Tenant shall deposit with Landlord a
security deposit (the “Security Deposit”) in the amount set forth in Section 10 of the
Summary, as security for the faithful performance by Tenant of all of its obligations under this
Lease. If Tenant defaults with respect to any provisions of this Lease, including, but not limited
to, the provisions relating to the payment of Rent, Landlord may, but shall not be required to,
apply all or any part of the Security Deposit for the payment of any Rent or any other sum in
default and Tenant shall, within five (5) days after written demand therefor, restore the Security
Deposit to its original amount. Any unapplied balance of the Security Deposit shall be returned to
Tenant, or, at Landlord’s option, to the last assignee of Tenant’s interest hereunder, within sixty
(60) days following the expiration of the Lease Term. Tenant shall not be entitled to any interest
on the Security Deposit. Tenant hereby waives the provisions of Section 1950.7 of the California
Civil Code, or any successor statute.

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SIGNS

Suite Signage. Landlord shall install and maintain, at Landlord’s sole cost and
expense, Building standard suite signage at the entrance to the Premises and the elevator lobby of
the Premises.

Building Signage. Subject to Landlord’s prior written approval, which shall not be
unreasonably withheld, conditioned, or delayed, Tenant shall be permitted to install, at Tenant’s
sole cost and expense, building top signage which includes Tenant’s name and or logo (the “Building
Signage”) in the location on the Building generally depicted on Exhibit F attached hereto. The
Building Signage shall comply with the applicable sign ordinances of the City of Thousand Oaks (the
“City”), and Tenant shall obtain a sign permit from the City prior to the installation of the
signage. Installation of the Building Signage must occur, if at all, within twelve (12) months of
the Commencement Date. The exact location and design of such signage shall be agreed upon prior to
such installation and shall be subsequently made a part of this Lease. Notwithstanding the
foregoing, in the event that landscaping or any other item planted or installed after the date of
the Lease obstructs Tenant’s Building Signage, Tenant shall have the right anytime during the Term
to relocate, at Landlord’s sole cost and expense, the Building Signage to a location reasonably
approved by Landlord. Any such relocation shall be in compliance with applicable City sign
ordinances and Tenant shall obtain, at Landlord’s expense, a sign permit from the City prior to
installation of the new signage; provided, however, that if the City or any other third party not
controlled by Landlord required the obstruction to be planted or installed, then the cost to
relocate the Building Signage and obtain any required permits shall be at Tenant’s sole cost and
expense. Upon the termination of the Lease or vacating of the Premises by Tenant (including
Tenant’s sublease of the entire Premises), Tenant shall, at Tenant’s sole cost and expense, remove
the Building Signage and restore the Building to its prior condition.

Prohibited Signage and Other Items. Any signs, notices, logos, pictures, names or
advertisements which are installed and that have not been individually approved by Landlord may be
removed without notice by Landlord at the sole expense of Tenant. Any signs, window coverings, or
blinds (even if the same are located behind the Landlord approved window coverings for the
Building), or other items visible from the exterior of the Premises or Building are subject to the
prior written approval of Landlord, in its sole discretion.

Building Directory. Tenant shall be provided one (1) line to display Tenant’s name and
location in the Building, and the names of Tenant’s principal employees and subtenants, which cost
shall be borne by Landlord.

COMPLIANCE WITH LAW

Tenant shall not do anything or suffer anything to be done in or about the Premises which will
in any way conflict with any law, statute, ordinance or other governmental rule, regulation or
requirement now in force or which may hereafter be enacted or promulgated. Should any standard or
regulation now or hereafter be imposed on Landlord or Tenant by a state, federal or local
governmental body charged with the establishment, regulation and enforcement of occupational,
health or safety standards for employers, employees, landlords or tenants, then Tenant agrees, at
its sole cost and expense, to comply promptly with such standards or regulations. Tenant shall be
responsible, at its sole cost and expense, to make all alterations to the Premises as are required
to comply with the governmental rules, regulations, requirements or standards described in this
Article 24. The judgment of any court of competent jurisdiction or the admission of Tenant
in any judicial action, regardless of whether Landlord is a party thereto, that Tenant has violated
any of said governmental measures, shall be conclusive of that fact as between Landlord and Tenant.

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LATE CHARGES

If any installment of Rent or any other sum due from Tenant shall not be received by Landlord
or Landlord’s designee within five (5) business days, then Tenant shall pay to Landlord a late
charge equal to five percent (5%) of the overdue amount. The late charge shall be deemed
Additional Rent and the right to require it shall be in addition to all of Landlord’s other rights
and remedies hereunder or at law and shall not be construed as liquidated damages or as limiting
Landlord’s remedies in any manner. In addition to the late charge described above, any Rent or
other amounts owing hereunder which are not paid within ten (10) days after the date they are due
shall thereafter bear interest until paid at a rate per annum equal to the highest rate permitted
by applicable law.

LANDLORD’S RIGHT TO CURE DEFAULT; PAYMENTS BY TENANT

Landlord’s Cure. All covenants and agreements to be kept or performed by Tenant under
this Lease shall be performed by Tenant at Tenant’s sole cost and expense and without any reduction
of Rent. If Tenant shall fail to perform any of its obligations under this Lease, within a
reasonable time after such performance is required by the terms of this Lease, Landlord may, but
shall not be obligated to, after reasonable prior notice to Tenant, make any such payment or
perform any such act on Tenant’s part without waiving its right based upon any default of Tenant
and without releasing Tenant from any obligations hereunder.

Tenant’s Reimbursement. Except as may be specifically provided to the contrary in this
Lease, Tenant shall pay to Landlord, within thirty (30) days after delivery by Landlord to Tenant
of statements therefor: (i) sums equal to expenditures reasonably made and obligations incurred by
Landlord in connection with the remedying by Landlord of Tenant’s defaults pursuant to the
provisions of  Section 26.1; (ii) sums equal to all losses, costs, liabilities, damages and
expenses referred to in  Article 10 of this Lease; and (iii) sums equal to all expenditures
made and obligations incurred by Landlord in collecting or attempting to collect the Rent or in
enforcing or attempting to enforce any rights of Landlord under this Lease or pursuant to law,
including, without limitation, all legal fees and other amounts so expended. Tenant’s obligations
under this  Section 26.2 shall survive the expiration or sooner termination of the Lease
Term.

ENTRY BY LANDLORD

Landlord reserves the right at all reasonable times and upon reasonable notice to Tenant
(which shall be at least twenty-four (24) hours prior notice, except in the case of emergency) to
enter the Premises to (i) inspect them; (ii) show the Premises to prospective purchasers,
mortgagees or ground or underlying lessors, or, during the last twelve (12) months of the Lease
Term, prospective tenants; (iii) post notices of nonresponsibility; or (iv) alter, improve or
repair the Premises or the Building if necessary to comply with current building codes or other
applicable laws, or for structural alterations, repairs or improvements to the Building.
Notwithstanding anything to the contrary contained in this Article 26, Landlord may enter
the Premises at any time to (A) perform services required of Landlord; (B) take possession due to
any breach of this Lease in the manner provided herein; and (C) perform any covenants of Tenant
which Tenant fails to perform. Landlord may make any such entries without the abatement of Rent
and may take such steps as required to accomplish the stated purposes; provided, however, that any
such entry shall be accomplished as expeditiously as reasonably possible and so long as such entry
shall not

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unreasonably interfere with Tenant’s business operations. For each of the above
purposes, Landlord shall at all times have a key with which to unlock all the doors in the
Premises, excluding Tenant’s vaults, safes and special security areas designated in advance by
Tenant. In an emergency, Landlord shall have the right to use any means that Landlord may deem
proper to open the doors in and to the Premises. Any entry into the Premises by Landlord in the
manner hereinbefore described shall not be deemed to be a forcible or unlawful entry into, or a
detainer of, the Premises, or an actual or constructive eviction of Tenant from any portion of the
Premises. No provision of this Lease shall be construed as obligating Landlord to perform any
repairs, alterations or decorations except as otherwise agreed to be performed by Landlord herein.

TENANT PARKING

Tenant shall have the right throughout the Lease Term to park in the parking spaces set forth
in Section 11 of the Summary. There shall be no charge for any such parking spaces.
Tenant’s continued right to use the parking spaces is conditioned upon Tenant abiding by all rules
and regulations which are prescribed from time to time for the orderly operation and use of the
parking spaces and upon Tenant’s cooperation in seeing that Tenant’s employees and Visitors also
comply with such rules and regulations, to the extent that Tenant has control over such
individuals. Provided such does not interfere with Tenant’s conduct of business, access to the
Premises or Building Landlord specifically reserves the right to change the location, size,
configuration, design, layout and all other aspects of the parking spaces in question at any time
and Tenant acknowledges and agrees that Landlord may, without incurring any liability to Tenant and
without any abatement of Rent under this Lease, from time to time, close-off or restrict access to
the parking spaces in question for purposes of permitting or facilitating any such construction,
alteration or improvements. Landlord may totally or partially delegate its responsibilities
hereunder to a parking operator in which case such parking operator shall have all the rights of
control delegated by Landlord. The parking spaces issued to Tenant pursuant to this Article
27 are provided to Tenant solely for use by Tenant’s own personnel (not including Tenant’s
invitees and guests) and such passes may not be transferred, assigned, subleased or otherwise
alienated by Tenant without Landlord’s prior approval.

MISCELLANEOUS PROVISIONS

Terms; Captions. The words “Landlord” and “Tenant” as used herein shall include the
plural as well as the singular. The necessary grammatical changes required to make the provisions
hereof apply either to corporations or partnerships or individuals, men or women, as the case may
require, shall in all cases be assumed as though in each case fully expressed. The captions of
Articles and Sections are for convenience only and shall not be deemed to limit, construe, affect
or alter the meaning of such Articles and Sections.

Binding Effect. Each of the provisions of this Lease shall extend to and shall, as the
case may require, bind or inure to the benefit not only of Landlord and of Tenant, but also of
their respective successors or assigns, provided this clause shall not permit any assignment by
Tenant contrary to the provisions of  Article 14 of this Lease.

No Air Rights. No rights to any view or to light or air over any property, whether
belonging to Landlord or any other person, are granted to Tenant by this Lease. If at any time any
windows of the Premises are temporarily darkened or the light or view therefrom is obstructed by
reason of any repairs, improvements, maintenance or cleaning in or about the

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Building, the same
shall be without liability to Landlord and without any reduction or diminution of Tenant’s
obligations under this Lease.

Modification of Lease. Should any current or prospective mortgagee or ground lessor
for the Building require a modification of this Lease, which modification will not cause an
increased cost or expense to Tenant or in any other way materially and adversely change the rights
and obligations of Tenant hereunder, then and in such event, Tenant agrees that this Lease may be
so modified and agrees to execute whatever documents are required therefor and deliver the same to
Landlord within ten (10) days following the request therefor. At the request of Landlord or any
mortgagee or ground lessor, Tenant agrees to execute a short form of Lease and to deliver the same
to Landlord within ten (10) days following the request therefor.

Transfer of Landlord’s Interest. Tenant acknowledges that Landlord has the right to
transfer all or any portion of its interest in the Real Property and Building and in this Lease,
and Tenant agrees that in the event of any such transfer and a transfer of the Security Deposit,
Landlord shall automatically be released from all liability under this Lease and Tenant agrees to
look solely to such transferee for the performance of Landlord’s obligations hereunder after the
date of transfer and such transferee shall be deemed to have fully assumed and be liable for all
obligations of this Lease to be performed by Landlord, including the return of any Security Deposit
(provided that Landlord notifies Tenant of the identity of the transferee promptly after the
transfer of the Security Deposit), and Tenant shall attorn to such transferee. Tenant further
acknowledges that Landlord may assign its interest in this Lease to a mortgage lender as additional
security and agrees that such an assignment shall not release Landlord from its obligations
hereunder and that Tenant shall continue to look to Landlord for the performance of its obligations
hereunder.

Prohibition Against Recording. Except as provided in  Section 28.3 of this Lease,
neither this Lease, nor any memorandum, affidavit or other writing with respect thereto, shall be
recorded by Tenant or by anyone acting through, under or on behalf of Tenant.

Landlord’s Title. Landlord’s title is and always shall be paramount to the title of
Tenant. Nothing herein contained shall empower Tenant to do any act which can, shall or may
encumber the title of Landlord.

Relationship of Parties. Nothing contained in this Lease shall be deemed or construed by
the parties hereto or by any third party to create the relationship of principal and agent,
partnership, joint venturer or any association between Landlord and Tenant.

Application of Payments. Landlord shall have the right to apply payments received from
Tenant pursuant to this Lease, regardless of Tenant’s designation of such payments, to satisfy any
obligations of Tenant hereunder, in such order and amounts as Landlord, in its sole discretion, may
elect.

Time of Essence. Time is of the essence of this Lease and each of its provisions.

Partial Invalidity. If any term, provision or condition contained in this Lease shall, to
any extent, be invalid or unenforceable, the remainder of this Lease, or the application of such
term, provision or condition to persons or circumstances other than those with respect to which it
is invalid or unenforceable, shall not be affected thereby, and each and every other term,
provision and condition of this Lease shall be valid and enforceable to the fullest extent possible
permitted by law.

No Warranty. In executing and delivering this Lease, Tenant has not relied on any
representations, including, but not limited to, any representation as to the amount of any item
comprising Additional Rent or the amount of the Additional Rent in the aggregate or that Landlord
is furnishing the same services to other tenants, at all, on the same level or on the same basis,
or any warranty or any statement of Landlord which is not set forth herein or in one or more of the
exhibits attached hereto.

Landlord Exculpation. The liability of Landlord or the Landlord Parties to Tenant for any
default by Landlord under this Lease or arising in connection herewith or with Landlord’s
operation, management, leasing, repair, renovation, alteration or any other matter relating to the
Building or the Premises shall be limited solely and exclusively to an amount which is equal to the
interest of Landlord in the Building, provided that in no event shall such liability extend to any
sales or insurance proceeds received by Landlord or the Landlord Parties in connection with the
Building or Premises. Neither Landlord, nor any of the Landlord Parties shall have any personal
liability therefor, and Tenant hereby expressly waives and releases such personal liability on
behalf of itself and all persons claiming by, through or under Tenant. The limitations of
liability contained in this  Section 28.13 shall inure to the benefit of Landlord’s and the
Landlord Parties’ present and future partners, beneficiaries, officers, directors, trustees,
shareholders, agents and employees, and their respective partners, heirs, successors and assigns.
Under no circumstances shall any present or future partner of Landlord (if Landlord is a
partnership), or trustee or beneficiary (if Landlord or any partner of Landlord is a trust), have
any liability for the performance of Landlord’s obligations under this Lease. Notwithstanding any
contrary provision herein, neither Landlord nor the Landlord Parties shall be liable under any
circumstances for injury or damage to, or interference with, Tenant’s business, including but not
limited to, loss of profits, loss of rents or other revenues, loss of business opportunity, loss of
goodwill or loss of use, in each case, however occurring.

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Entire Agreement. It is understood and acknowledged that there are no oral agreements
between the parties hereto affecting this Lease and this Lease constitutes the parties’ entire
agreement with respect to the leasing of the Premises and supersedes and cancels any and all
previous negotiations, arrangements, brochures, agreements and understandings, if any, between the
parties hereto or displayed by Landlord to Tenant with respect to the subject matter thereof, and
none thereof shall be used to interpret or construe this Lease. None of the terms, covenants,
conditions or provisions of this Lease can be modified, deleted or added to except in writing
signed by the parties hereto.

Right to Lease. Landlord reserves the absolute right to effect such other tenancies in the
Building as Landlord in the exercise of its sole business judgment shall determine to best promote
the interests of the Building. Tenant does not rely on the fact, nor does Landlord represent, that
any specific tenant or type or number of tenants shall, during the Lease Term, occupy any space in
the Building.

Force Majeure. Any prevention, delay or stoppage due to strikes, lockouts, labor disputes,
acts of God, inability to obtain services, labor, or materials or reasonable substitutes therefor,
governmental actions, civil commotions, fire or other casualty, and other causes beyond the
reasonable control of the party obligated to perform (collectively, the “Force Majeure”), except
with respect to the obligations imposed with regard to Rent and other charges to be paid by Tenant
pursuant to this Lease, and except as to Tenant’s obligations under  Articles 5 and
24 of this Lease notwithstanding anything to the contrary contained in this Lease, shall
excuse the performance of such party for a period equal to any such prevention, delay or stoppage
and, therefore, if this Lease specifies a time period for performance of an obligation of either
party, that time period shall be extended by the period of any delay in such party’s performance
caused by a Force Majeure.

Waiver of Redemption by Tenant. Tenant hereby waives, for Tenant and for all those
claiming under Tenant, any and all rights now or hereafter existing to redeem by order or judgment
of any court or by any legal process or writ, Tenant’s right of occupancy of the Premises after any
termination of this Lease.

Notices. All notices, demands, statements, approvals or communications (collectively,
“Notices”) given or required to be given by either party to the other hereunder shall be in
writing, shall be sent by United States certified or registered mail, postage prepaid, return
receipt requested, nationally recognized overnight courier, facsimile, or delivered personally (i)
to Tenant at the appropriate address set forth in  Section 5 of the Summary, or to such
other place as Tenant may from time to time designate in a Notice to Landlord; or (ii) to Landlord
at the addresses set forth in  Section 3 of the Summary, or to such other firm or to such
other place as Landlord may from time to time designate in a Notice to Tenant. Any Notice will be
deemed given on the date it is mailed as provided in this  Section 28.18 or upon the date
personal delivery is made or attempted to be made. If Tenant is notified of the identity and
address of Landlord’s mortgagee or ground or underlying lessor, Tenant shall give to such mortgagee
or ground or underlying lessor written notice of any default by Landlord under the terms of this
Lease by registered or certified mail, and such mortgagee or ground or underlying lessor shall be
given a reasonable opportunity to cure such default prior to Tenant’s exercising any remedy
available to Tenant.

Joint and Several. If there is more than one Tenant, the obligations imposed upon Tenant
under this Lease shall be joint and several.

Authority. If Tenant is a corporation or partnership, each individual executing this Lease
on behalf of Tenant hereby represents and warrants that Tenant is a duly formed and existing entity
qualified to do business in California and that Tenant has full right and authority to execute and
deliver this Lease and that each person signing on behalf of Tenant is authorized to do so.

Attorney’s Fees. In the event that either Landlord or Tenant should bring suit for the
possession of the Premises, for the recovery of any sum due under this Lease, or because of the
breach of any provision of this Lease or for any other relief against the other, then all costs and
expenses, including reasonable attorneys’ fees, incurred by the prevailing party therein shall be
paid by the other party, which obligation on the part of the other party shall be deemed to have
accrued on the date of the commencement of such action and shall be enforceable whether or not the
action is prosecuted to judgment.

Governing Law; WAIVER OF TRIAL BY JURY. This Lease shall be construed and enforced in
accordance with the laws of the State of California. IN ANY ACTION OR PROCEEDING ARISING HEREFROM,
LANDLORD AND TENANT HEREBY CONSENT TO (I) THE JURISDICTION OF ANY COMPETENT COURT WITHIN THE STATE
OF CALIFORNIA, (II) SERVICE OF PROCESS BY ANY MEANS AUTHORIZED BY CALIFORNIA LAW, AND (III) IN THE
INTEREST OF SAVING TIME AND EXPENSE, TRIAL WITHOUT A JURY IN ANY ACTION, PROCEEDING OR COUNTERCLAIM
BROUGHT BY EITHER OF THE PARTIES HERETO AGAINST THE OTHER OR THEIR SUCCESSORS IN RESPECT OF ANY
MATTER ARISING OUT OF OR IN CONNECTION WITH THIS LEASE, THE RELATIONSHIP OF LANDLORD AND TENANT,
TENANT’S USE OR OCCUPANCY OF THE PREMISES, AND/OR ANY CLAIM FOR INJURY OR DAMAGE, OR ANY EMERGENCY
OR STATUTORY REMEDY. IN THE EVENT LANDLORD COMMENCES ANY SUMMARY PROCEEDINGS OR ACTION FOR
NONPAYMENT OF BASE RENT OR ADDITIONAL RENT, TENANT SHALL NOT INTERPOSE ANY COUNTERCLAIM OF ANY
NATURE OR DESCRIPTION (UNLESS SUCH COUNTERCLAIM SHALL BE MANDATORY) IN ANY SUCH PROCEEDING OR
ACTION, BUT SHALL BE RELEGATED TO AN INDEPENDENT ACTION AT LAW.

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Submission of Lease. Submission of this instrument for examination or signature by
Tenant does not constitute a reservation of, option for or option to lease, and it is not
effective as a lease or otherwise until execution and delivery by both Landlord and Tenant.

Brokers. Landlord and Tenant hereby warrant to each other that they have had no dealings
with any real estate broker or agent in connection with the negotiation of this Lease, excepting
only the real estate brokers or agents specified in  Section 12 of the Summary (the
“Brokers”), and that they know of no other real estate broker or agent who is entitled to a
commission in connection with this Lease. Each party agrees to indemnify and defend the other
party against and hold the other party harmless from any and all claims, demands, losses,
liabilities, lawsuits, judgments, and costs and expenses (including without limitation reasonable
attorneys’ fees) with respect to any leasing commission or equivalent compensation alleged to be
owing on account of the indemnifying party’s dealings with any real estate broker or agent other
than the Brokers. The terms of this  Section 28.24 shall survive the expiration or earlier
termination of the Lease Term.

Independent Covenants. This Lease shall be construed as though the covenants herein
between Landlord and Tenant are independent and not dependent and Tenant hereby expressly waives
the benefit of any statute to the contrary and agrees that if Landlord fails to perform its
obligations set forth herein, Tenant shall not be entitled to make any repairs or perform any acts
hereunder at Landlord’s expense or to any setoff of the Rent or other amounts owing hereunder
against Landlord.

Building Name and Signage. Landlord shall have the right at any time to change the name of
the Building and to maintain any and all signs on the exterior and to install, affix and maintain
any and all signs on the interior of the Building as Landlord may, in Landlord’s sole discretion,
desire. Tenant shall not use the name of the Building or use pictures or illustrations of the
Building in advertising or other publicity, without the prior written consent of Landlord, which
consent shall not be unreasonably withheld, conditioned, or delayed.

Counterparts. This Lease may be executed in counterparts with the same effect as if both
parties hereto had executed the same document. Both counterparts shall be construed together and
shall constitute a single lease.

Confidentiality. Tenant acknowledges that the content of this Lease and any related
documents are confidential information. Tenant shall keep such confidential information strictly
confidential and shall not disclose such confidential information to any person or entity other
than Tenant’s financial, legal, and space planning consultants.

Transportation Management. Tenant shall fully comply with all present or future programs
intended to manage parking, transportation or traffic in and around the Building, and in connection
therewith, Tenant shall take responsible action for the transportation planning and management of
all employees located at the Premises by working directly with Landlord, any governmental
transportation management organization or any other transportation-related committees or entities,

Successors. Except as otherwise expressly provided herein, the obligations of this Lease
shall bind and benefit the successors and assigns of the parties hereto; provided, however, that no
assignment, sublease or other transfer in violation of the provisions of  Article 14 shall
operate to vest any rights in any putative assignee, subtenant or transferee of Tenant.

Landlord Renovations. It is specifically understood and agreed that Landlord has no
obligation and has made no promises to alter, remodel, improve, renovate, repair or decorate the
Premises, Building, or any part thereof and that no representations respecting the condition of the
Premises or the Building have been made by Landlord to Tenant except as specifically set forth
herein or in the Tenant Work Letter. However, Tenant acknowledges that Landlord may during the
Lease Term renovate, improve, alter, or modify (collectively, the “Renovations”) the Building,
Premises, and/or Real Property, including without limitation the parking structure, common areas,
systems and equipment, roof, and structural portions of the same. Tenant hereby agrees that such
Renovations and Landlord’s actions in connection with such Renovations shall in no way constitute a
constructive eviction of Tenant nor entitle Tenant to any abatement of Rent, except to the extent
that such work prevents Tenant from conducting its business in the Premises or any portion thereof.
Landlord shall have no responsibility or for any reason be liable to Tenant for any direct or
indirect injury to or interference with Tenant’s business arising from the Renovations, nor shall
Tenant be entitled to any compensation or damages from Landlord for loss of the use of the whole or
any part of the Premises or of Tenant’s personal property or improvements resulting from the
Renovations or Landlord’s actions in connection with such Renovations, or for any inconvenience or
annoyance occasioned by such Renovations or Landlord’s actions in connection with such Renovations.
Landlord agrees to provide Tenant with reasonable advance notice of the Renovations and to
schedule the work at such times and in such a manner as to minimize disruption to the conduct of
Tenant’s business at the Premises.

No Violation. Tenant hereby warrants and represents that neither its execution of nor
performance under this Lease shall cause Tenant to be in violation of any agreement, instrument,
contract, law, rule or regulation by which Tenant is bound, and Tenant shall protect, defend,
indemnify and hold Landlord harmless against any claims, demands, losses, damages, liabilities,
costs and expenses, including, without limitation, reasonable attorneys’ fees and costs, arising
from Tenant’s breach of this warranty and representation.

Communications and Computer Lines. Tenant may install, maintain, replace, remove or use
any communications or computer wires and cables (collectively, the “Lines”) at the Building in or
serving the Premises, provided that (i) Tenant

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shall obtain Landlord’s prior written consent, which
shall not be unreasonably withheld, conditioned, or delayed, use an experienced and qualified
contractor approved in writing by Landlord, and comply with all of the other provisions of Articles
7 and 8 of this Lease, (ii) an acceptable number of spare Lines and space for additional Lines
shall be maintained for existing and future occupants of the Building, as determined in Landlord’s
reasonable opinion, (iii) the Lines therefor (including riser cables) shall be appropriately
insulated to prevent excessive electromagnetic fields or radiation, and shall be surrounded by a
protective conduit reasonably acceptable to Landlord, (iv) any new or existing Lines servicing the
Buildings shall comply with all applicable governmental laws and regulations, (v) as a condition to
permitting the installation of new Lines, Landlord may require that Tenant remove existing Lines
located in or serving the Premises and repair any damage in connection with such removal, and (vi)
Tenant shall pay all costs in connection therewith. Landlord reserves the right to require that
Tenant remove any Lines located in or serving the Premises which are installed in violation of
these provisions, or which are at any time in violation of any laws or represent a dangerous or
potentially dangerous condition. Landlord makes no representation or assurances with regard to the
suitability, available or capacity of the Building’s telephone and communication distribution
network or risers within or service to the Building for Tenant’s communication needs.

Tenant’s Option to Terminate. Tenant shall have two (2) options to terminate the Lease
(collectively the “Termination Option”) effective as of the (i) last day of the sixtieth
(60th) month or, if not so terminated, (ii) the last day of the eighty-fourth
(84th) month of the initial Lease Term. The Termination Option must be exercised by
Tenant by written notice (“Notice of Termination”) to Landlord delivered no later than nine (9)
months prior to each respective effective termination date. The Notice of Termination must be
accompanied by a fee equal to the sum of the then unamortized (i) cost of Tenant Improvements, (ii)
leasing commissions paid by Landlord under this Lease, and (iii) Abated Base Rent.

Option to Extend Term. Provided Tenant is not then in default after the expiration of
applicable notice and cure periods, Tenant shall have the option to extend the Lease Term for one
additional five (5) year period (the “Extended Term”), commencing the next calendar day after the
expiration of the initial Lease Term (the “Option”). The Option shall apply only to the entirety
of the Premises, and Tenant shall have no right to exercise the Option as to only a portion of the
Premises. Tenant may exercise the Option by written notice to Landlord (the “Option Notice”)
delivered no more than twelve (12) and no less than nine (9) months prior to the Termination Date.

     Fixed Monthly Rent Payable. The Rent payable by Tenant during the Extended Term
(“Option Rent”) shall be equal to 95% of the Fair Market Value of the Premises as of the
commencement date of the Extended Term but shall not be less than the sum of Base Rent and Tenant’s
Share of Operating Expenses payable by Tenant for the last month of the initial Lease Term. The
term “Fair Market Value” shall be defined as the effective rent reasonably achievable by landlords
in the Westlake Village sub-market of the Conejo Valley, and shall include but not be limited to,
all economic benefits obtainable by landlords, such as fixed monthly rent (including periodic
adjustments), additional rent in the form of operating expense reimbursements, and any and all
monetary or non-monetary concessions that may be given in the market place to a non-renewal tenant,
as is chargeable for a similar use of comparable space in the geographic area of the Premises.
Landlord and Tenant shall have thirty (30) days (the “Negotiation Period”) after Landlord receives
the Option Notice in which to agree on the Fair Market Value. If Landlord and Tenant agree on the
Fair Market Value during the Negotiation Period, they shall immediately execute an amendment to the
Lease extending the Term and stating the Fair Market Value.

     Appraisers to Set Fixed Rent. If Landlord and Tenant are unable to agree on the Fair
Market Value during the Negotiation Period, then:

          Landlord and Tenant, each at its own cost, shall select an independent real estate
appraiser or real estate broker with at least ten (10) years full-time commercial appraisal or
brokerage experience in the area in which the Premises are located, and shall provide written
notice to the other party of the identity and address of the appraiser so appointed. Landlord and
Tenant shall make such selection within ten (10) days after the expiration of the Negotiation
Period.

          Within thirty (30) days of having been appointed to do so (the “Appraisal Period”), the
two (2) appraisers so appointed shall meet and set the Fair Market Value for the Extended Term. In
setting the Fair Market Value, the appraisers shall solely consider the use of the Premises for
general office purposes.

     Failure by Appraisers to Set Fair Market Value. If the two (2) appointed appraisers
or brokers are unable to agree on the Fair Market Value within ten (10) days after expiration of
the Appraisal Period, they shall elect a third appraiser of like or better qualifications, and who
has not previously acted in any capacity for either Landlord or Tenant. Landlord and Tenant shall
each bear one half of the costs of the third appraiser’s fee. Within thirty (30) days after the
selection of the third appraiser (the “Second Appraisal

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Period”) the Fair Market Value for the
Extended Term shall be set by a majority of the appraisers now appointed. If a majority of the
appraisers are unable to set the Fair Market Value within the Second Appraisal Period, the three
(3) appraisers shall individually render separate appraisals of the Fair Market Value, and their
three (3) appraisals shall be added together, then divided by three (3); resulting in an average of
the appraisals, which shall be the Fair Market Value during the Extended Term. However, if the low
appraisal or high appraisal varies by more than ten percent (10%) from the middle appraisal, then
one (1) or both shall be disregarded. If only one (1) appraisal is disregarded, the remaining two
(2) appraisals shall be added together and their total divided by two (2), and the resulting
average shall be the Fair Market Value. If both the low and high appraisal are disregarded, the
middle appraisal shall be the Fair Market Value for the Premises during the Extended Term. The
appraisers shall immediately notify Landlord and Tenant of the Fair Market Value so established,
and Landlord and Tenant shall immediately execute an amendment to the Lease, extending the Term and
revising the Fixed Rent payable pursuant to the Fair Market Value so established.

     No Assignment of Option. This Option may be exercised only by the original Tenant
signing the Lease or an Affiliate (as such term is defined in Section 14.6 above), and
shall be null, void and of no further force or effect as of the date that Tenant assigns the Lease
to an unaffiliated entity and/or subleases more than forty-nine percent (49%) of the total Rentable
Area of the Premises.

Tenant’s Holdover at 26580 Agoura Road, Calabasas, California. Unless there is a delay
due to Force Majeure, Landlord shall agree to reimburse Tenant for holdover charges in excess of
normal monthly base rent imposed by Tenant’s current landlord, Arden Realty, at 26580 Agoura Road,
Calabasas, California, from and after January 17, 2004; provided however that Landlord’s
reimbursement obligation to Tenant shall be calculated only upon the rentable square feet contained
in the Premises. By way of example, if Tenant is paying $3.00 per rentable square foot holdover
base rent in Calabasas and that base rent is $0.50 more than the base rent Tenant paid before it
held over, then Landlord’s obligation to reimburse Tenant would equal $0.50 times 22,409 rentable
square feet per month or $11,204.50. Tenant shall provide Landlord with a copy of its lease for
the property in Calabasas upon the execution of this Lease.

Right of First Offer. Tenant shall have a “three-time” right of first offer (the “ROFO”)
to lease all space available or that which may come available on the first floor of the Building
(“First Offer Space”), provided that the ROFO shall be subordinate to the existing rights of
existing tenants. If Landlord desires to lease the First Offer Space, and assuming no existing
tenants have exercised their rights to lease the First Offer Space, Landlord shall offer the First
Offer Space to Tenant by written notice (the “First Offer Notice”). Tenant must exercise the ROFO,
if at all, within ten (10) days after Landlord has delivered the First Offer Notice. The rental
rate for any First Offer Space leased within the first eighteen (18) months of the Commencement
Date shall be at the then current rental rate as that for the initial space with the same Base Year
and a Tenant Improvement allowance package equal to the unamortized portion of the improvements
which were provided by Landlord for the initial space. Any space leased after 18 months of the
Lease term shall be at Fair Market Rate as defined in Section 28.35 hereof.

Hazardous Materials. Landlord represents and warrants that any handling, transportation,
storage, treatment or use of hazardous or toxic substance, material or waste (collectively,
“Hazardous Materials”) that have occurred on the Property, including the Premises, prior to the
Commencement Date have been in compliance with all applicable federal, state, and local laws,
regulations and ordinances; that no leak, spill, release, discharge, emission or disposal of
Hazardous Materials has occurred on the Property, including the Premises, prior to the Commencement
Date; that the soil, groundwater, and soil vapor on or under the Property, including the Premises,
are free of Hazardous Materials as of the Commencement Date and; that as of the Commencement Date
the Building will not contain any asbestos or PCBs, and the Property does not contain any
underground storage tanks. Landlord agrees to indemnify Tenant and its officers, employees and
agents from any claims, judgments, damages, penalties, fines, costs, liabilities (including sums
paid in settlement of claims) or loss including attorneys’ fees, consultant fees, and expert fees
which arise during or after the Lease Term from or in connection with a breach of the
representations and warranties contained in this  Section 28.38.  In the event that Landlord
gains knowledge of the existence of any Hazardous Materials in, on or under the Real Property,
Building, or the Premises, Landlord shall immediately take actions to remediate any and all
Hazardous Materials, which cost shall be borne solely by Landlord. This section survives the Term
of this Lease..

Antenna Installation. Landlord will allow Tenant to install and maintain, on the roof of
the Building at a location selected by Tenant, an array of communication antennae and related
antennae support system (collectively, the “Antennae System”). As part of the initial Tenant
Improvement work, Landlord shall provide a conduit from the Premises to the roof for use in
connecting the Antennae System cabling. Tenant shall bear all costs associated with the
installation of the Antennae System, including all permits and fees. Tenant shall be responsible
for any damage to the roof caused by the Antennae System and shall be responsible for removal of
the Antennae System and repair of the roof upon the expiration or termination of the Lease. There
shall be no charge to Tenant for occupying such space on the roof or within the Building conduit.

-32-

 

IN WITNESS WHEREOF, Landlord and Tenant have caused their duly authorized representatives to
execute this Lease as of the day and date first above written.

	 	 	 	 	 	 	 
	 	 	“Landlord”:	 	 
	 
	 	 	 	 	 	 
	 	 	Grenhill Development Corporation,	 	 
	 	 	a California corporation	 	 
	 
	 	 	 	 	 	 
	

	 	By:
	 	Sarwono Sutrisno	 	 
	

	 	 	 	

	 	 
	 	 	Its: President	 	 
	 
	 	 	 	 	 	 
	 	 	“Tenant”:	 	 
	 
	 	 	 	 	 	 
	 	 	Tekelec,	 	 
	 	 	a California corporation	 	 
	 
	 	 	 	 	 	 
	

	 	By:
	 	Paul J. Pucino	 	 
	

	 	 	 	

	 	 
	 	 	Its: Chief Financial Officer	 	 

-33-

 

EXHIBIT A

OUTLINE OF PREMISES

-1 -

 

EXHIBIT B

RULES AND REGULATIONS

Tenant shall faithfully observe and comply with the following Rules and Regulations. Landlord
shall not be responsible to Tenant for the nonperformance of any of said Rules and Regulations by
or otherwise with respect to the acts or omissions of any other tenants or occupants of the Real
Property.

• Tenant shall not alter any lock or install any new or additional locks or bolts on any
doors or windows of the Premises without obtaining Landlord’s prior written consent. Tenant shall
bear the cost of any lock changes or repairs required by Tenant. Two keys will be furnished by
Landlord for the Premises, and any additional keys required by Tenant must be obtained from
Landlord at a reasonable cost to be established by Landlord.

• All doors opening to public corridors shall be kept closed at all times except for normal
ingress and egress to the Premises.

• Landlord reserves the right to close and keep locked all entrance and exit doors of the
Building during such hours as are customary for comparable buildings. Tenant, its employees and
agents must be sure that the doors to the Building are securely closed and locked when leaving the
Premises if it is after the normal hours of business for the Building. Any tenant, its employees,
agents or any other persons entering or leaving the Building at any time when it is so locked, or
any time when it is considered to be after normal business hours for the Building, may be required
to sign the Building register. Access to the Building may be refused unless the person seeking
access has proper identification or has a previously arranged pass for access to the Building.
Landlord and his agents shall in no case be liable for damages for any error with regard to the
admission to or exclusion from the Building of any person. In case of invasion, mob, riot, public
excitement, or other commotion, Landlord reserves the right to prevent access to the Building or
the Real Property during the continuance thereof by any means it deems appropriate for the safety
and protection of life and property.

• No furniture, freight or equipment of any kind shall be brought into the Building without
prior notice to Landlord. All moving activity into or out of the Building shall be scheduled with
Landlord and done only at such time and in such manner as Landlord designates. No service
deliveries (other than messenger services) will be allowed between hours of 4:00 p.m. to 6:00 p.m.,
Monday through Friday. Landlord shall have the right to prescribe the weight, size and position of
all safes and other heavy property brought into the Building and also the times and manner of
moving the same in and out of the Building. Safes and other heavy objects shall, if considered
necessary by Landlord, stand on supports of such thickness as is necessary to properly distribute
the weight. Landlord will not be responsible for loss of or damage to any such safe or property in
any case. Any damage to any part of the Building, its contents, occupants or visitors by moving or
maintaining any such safe or other property shall be the sole responsibility and expense of Tenant.

• No furniture, packages, supplies, equipment or merchandise will be received in the Building
or carried up or down in the elevators, except between such hours and in such specific elevator as
shall be designated by Landlord.

• The requirements of Tenant will be attended to only upon application at the management
office for the Real Property or at such office location designated by Landlord. Employees of
Landlord shall not perform any work or do anything outside their regular duties unless under
special instructions from Landlord.

-1 -

 

• Tenant shall not disturb, solicit, or canvass any occupant of the Real Property and shall
cooperate with Landlord and its agents of Landlord to prevent the same.

• The toilet rooms, urinals, wash bowls and other apparatus shall not be used for any purpose
other than that for which they were constructed, and no foreign substance of any kind whatsoever
shall be thrown therein. The expense of any breakage, stoppage or damage resulting from the
violation of this rule shall be borne by the tenant who, or whose employees or agents, shall have
caused it.

• Tenant shall not overload the floor of the Premises, nor mark, drive nails or screws, or
drill into the partitions, woodwork or plaster or in any way deface the Premises or any part
thereof without Landlord’s prior written consent.

• Except for vending machines intended for the sole use of Tenant’s employees and invitees,
no vending machine or machines other than fractional horsepower office machines shall be installed,
maintained or operated upon the Premises without the written consent of Landlord.

• Tenant shall not use or keep in or on the Premises, the Building, or the Real Property any
kerosene, gasoline or other inflammable or combustible fluid or material.

• Tenant shall not without the prior written consent of Landlord use any method of heating or
air conditioning other than that supplied by Landlord.

• Tenant shall not use, keep or permit to be used or kept, any foul or noxious gas or
substance in or on the Premises, or permit or allow the Premises to be occupied or used in a manner
offensive or objectionable to Landlord or other occupants of the Real Property by reason of noise,
odors, or vibrations, or interfere in any way with other tenants or those having business therein.

• Tenant shall not bring into or keep within the Real Property, the Building or the Premises
any animals, birds, bicycles or other vehicles.

• No cooking shall be done or permitted on the Premises, nor shall the Promises be used for
the storage of merchandise, for lodging or for any improper, objectionable or immoral purposes.
Notwithstanding the foregoing, Underwriters’ laboratory-approved equipment and microwave ovens may
be used in the Premises for heating food and brewing coffee, tea, hot chocolate and similar
beverages for employees and visitors, provided that such use is in accordance with all applicable
federal, state and city laws, codes, ordinances, rules and regulations.

• Landlord will approve where and how telephone and telegraph wires are to be introduced to
the Premises. No boring or cutting for wires shall be allowed without the consent of Landlord.
The location of telephone, call boxes and other office equipment affixed to the Premises shall be
subject to the approval of Landlord.

• Landlord reserves the right to exclude or expel from the Real Property any person who, in
the judgment of Landlord, is intoxicated or under the influence of liquor or drugs, or who shall in
any manner do any act in violation of any of these Rules and Regulations.

• Tenant, its employees and agents shall not loiter in or on the entrances, corridors,
sidewalks, lobbies, halls, stairways, elevators, or any common areas of the Building for the
purpose of smoking tobacco products or for any other purpose, nor in any way obstruct such areas,
and shall use them only as a means of ingress and egress for the Premises.

-2 -

 

• Tenant shall not waste electricity, water or air conditioning and agrees to cooperate fully
with Landlord to ensure the most effective operation of the Building’s heating and air conditioning
system, and shall refrain from attempting to adjust any controls.

• Tenant shall store all its trash and garbage within the interior of the Premises. No
material shall be placed in the trash boxes or receptacles if such material is of such nature that
it may not be disposed of in the ordinary and customary manner of removing and disposing of trash
in the vicinity of the Building without violation of any law or ordinance governing such disposal.
All trash, garbage and ref use disposal shall be made only through entry-ways and elevators
provided for such purposes at such times as Landlord shall designate.

• Tenant shall comply with all safety, fire protection and evacuation procedures and
regulations established by Landlord or any governmental agency.

• Tenant shall assume any and all responsibility for protecting the Premises from theft,
robbery and pilferage, which includes keeping doors locked and other means of entry to the Premises
closed.

• No awnings or other projection shall be attached to the outside walls of the Building
without the prior written consent of Landlord. No curtains, blinds, shades or screens shall be
attached to or hung in, or used in connection with, any window or door of the Premises without the
prior written consent of Landlord. All electrical ceiling fixtures hung in offices or spaces along
the perimeter of the Building must be fluorescent and/or of a quality, type, design and bulb color
approved by Landlord. Tenant shall abide by Landlord’s regulations concerning the opening and
closing of window coverings which are attached to the windows in the Premises, if any, which have a
view of any interior portion of the Building or the common areas of the Building.

• The sashes, sash doors, skylights, windows, and doors that reflect or admit light and air
into the halls, passageways or other public places in the Building shall not be covered or
obstructed by Tenant, nor shall any bottles, parcels or other articles be placed on the
windowsills.

• Tenant must comply with requests by Landlord concerning the informing of their employees of
items of importance to Landlord.

• Tenant shall not use in any space or in the public halls of the Building any hand trucks
except those equipped with rubber tires and side guards or such other material-handling equipment
as Landlord may approve. Tenant shall not bring any other vehicles of any kind into the Building.

Landlord reserves the right at any time to change or rescind any one or more of these Rules and
Regulations, or to make such other and further reasonable Rules and Regulations as in Landlord’s
judgment may from time to time be necessary for the management, safety, care and cleanliness of the
Premises, Building, and the Real Property, and for the preservation of good order therein, as well
as for the convenience of other occupants and tenants therein. Landlord may waive, any one or more
of these Rules and Regulations for the benefit of any particular tenants, but no such waiver by
Landlord shall be construed as a waiver of such Rules and Regulations in favor of any other tenant,
nor prevent Landlord from thereafter enforcing any such Rules or Regulations against any or all
tenants of the Real Property. Tenant shall be deemed to have read these Rules and Regulations and
to have agreed to abide by them as a condition of its occupancy of the Premises.

-3 -

 

EXHIBIT C

NOTICE OF LEASE TERM DATES

	 	 	 
	To:

	 	                                                            
	

	 	                                                            
	

	 	                                                            
	

	 	                                                            

	 	(1)  	Re: Office Lease dated                     , 2004 between Grenhill Development Corporation, a
California corporation (“Landlord”), and Tekelec, a California corporation (“Tenant”)
concerning floor(s) two (2) and three (3) of the office building located at 4580 E.
Thousand Oaks Boulevard, Westlake Village, California.

Gentlemen:

In accordance with the Office Lease (the “Lease”), we wish to advise you and/or confirm as follows:

1. The Premises are Ready For Occupancy, and the Lease Term shall commence on or has commenced on                     ,
2005 for a term of ten (10) years ending on                    , 2015. Rent commenced to accrue on                                        ,
in the amount of                     .

• If the Lease Commencement Date is other than the first day of the month, the first billing
will contain a pro rata adjustment. Each billing thereafter, with the exception of the final
billing, shall be for the full amount of the monthly installment as provided for in the Lease.

• Your rent checks should be made payable to                                          at                                         .

• The exact number of rentable square feet within the Premises is                      square feet.

 

 

• Tenant’s Share as adjusted based upon the exact number of rentable square feet within the
Premises is                     %.

	 	 	 	 	 	 	 
	 	 	“Landlord”:
	 
	 	 	 	 	 	 
	 	 	Grenhill Development Corporation,
	 	 	a California corporation
	 
	 	 	 	 	 	 
	

	 	By:	 	 	 	 
	

	 	 	 	 	 	 
	

	 	Its:	 	 	 	 
	

	 	 	 	 	 	 
	 
	 	 	 	 	 	 
	

	 	By:	 	 	 	 
	

	 	 	 	 	 	 
	

	 	Its:	 	 	 	 
	

	 	 	 	 	 	 

Agreed to and Accepted as
of ________________, 200_.

“Tenant”:

Tekelec,
a California corporation

	 	 	 	 	 
	By:
	 	 	 	 
	

	 	
	 	 
	Its:
	 	 	 	 
	

	 	
	 	 

 

 

EXHIBIT D

TENANT WORK LETTER

Section 1 CONSTRUCTION DRAWINGS

A. Final Plans. The Tenant Improvements shall be constructed substantially as shown on the
conceptual space plan delivered to Landlord on October 29, 2004 (the “Final Space Plan”) for the
Premises prepared by Heney Dong & Associates (the “Designer”) who has been retained by Tenant to
create a space plan designating a layout suitable to the Tenant’s needs. A copy of the Final Space
Plan and the final keynotes thereto are attached hereto as Exhibit G. The Final Space Plan
includes a layout and designation of all offices, rooms and other partitioning, their intended use,
and equipment to be contained therein as well as a reasonable amount of detail so that the
Construction Drawings may be prepared. The fees of the Designer shall be reimbursed to Tenant by
Landlord up to a maximum of $0.12 per rentable square foot of the Premises within fifteen (15) days
of receipt of paid invoices from Tenant verifying that the Designer has been paid.

B. Selection of Architect/Construction Drawings. Landlord shall retain its own
architect/space planner (the “Architect”) to prepare Construction Drawings to perform the services
indicated in Schedule 1. Landlord shall retain engineering consultants (the “Engineers”) to
prepare all plans and engineering working drawings relating to the structural, mechanical,
electrical, plumbing, HVAC, life safety, and sprinkler work in the Premises, which work is not part
of the Base Building. The plans and drawings to be prepared by Architect and the Engineers
hereunder shall be known collectively as the “Construction Drawings.” All Construction Drawings
shall comply with the Final Space Plan and shall be subject to the reasonable approval of the
Tenant and Tenant’s agents. Landlord and Architect shall verify, in the field, the dimensions and
conditions as shown on the relevant portions of the base building plans, and Landlord and Architect
shall be solely responsible for the same, and Tenant shall have no responsibility in connection
therewith. Tenant’s review of the Construction Drawings, shall be the sole purpose determining
compliance with Final Space Plans and design criteria and shall not imply review of engineering,
Code compliance, impact to base building or other like matters. Accordingly, notwithstanding that
any Construction Drawings are reviewed by Tenant or its representative, and notwithstanding any
design comments or program comments which may be rendered to Landlord by Tenant’s representative,
Tenant shall have no liability whatsoever in connection therewith and shall not be responsible for
any omissions or errors contained in the Construction Drawings.

C. Final Working Drawings. Landlord shall enlist Engineers and Architect to assist Tenant
in evaluating requirements for Tenant’s standard and non-standard equipment and specifications,
including, without limitation, B.T.U. calculations, electrical requirements and special electrical
receptacle requirements for the Premises, to ensure all Tenant’s requirements for operation are to
completely represented in the “Final Working Drawings” (as that term is defined in below). On or
before the date set forth in Section 5 below, Architect and the Engineers shall complete the
architectural and engineering drawings for the Premises, and Architect shall compile a fully
coordinated set of architectural, structural, mechanical, electrical and plumbing working drawings
in a form which is complete to allow subcontractors to bid on the work and to obtain all applicable
permits (collectively, the “Final Working Drawings”) and shall submit the same to Tenant for
Tenant’s reasonable approval. Landlord may also submit the same to the appropriate municipal
authorities for all applicable building permits. Landlord shall supply Tenant with two (2) full
size sets and (2) half size sets signed by the Architect of such Final Working Drawings. Tenant
shall advise Landlord within five (5) business days after Tenant’s receipt of the Final Working
Drawings for

 

 

the Premises if the same is unsatisfactory or incomplete in any respect. If Landlord is so
advised, Landlord shall immediately revise the Final Working Drawings in accordance with such
review and any disapproval of Tenant in connection therewith.

Approved Working Drawings. The Final Working Drawings shall be approved by Tenant and
Landlord (the “Approved Working Drawings”) prior to the commencement of construction of the
Premises by Landlord. No changes, modifications or alterations in the Approved Working Drawings
may be made without the prior written consent of both Landlord and Tenant, which consent may not be
unreasonably withheld.

E. Cost Proposal. After the Approved Working Drawings are approved by Landlord and Tenant,
Landlord shall provide Tenant with a cost proposal in accordance with the Approved Working Drawings
for constructing the Tenant Improvements, which cost proposal shall include, as nearly as possible,
a detailed break-down by sub-trade — and unit costs (the “Cost Proposal ”). Landlord and Tenant
shall meet and approve the amount of the Cost Proposal. The amount of the Cost Proposal to be paid
by Landlord shall be the sum of $688,800 (the “Landlord Contribution”). Any portion of the Cost
Proposal in excess of the Landlord Contribution shall be paid by Tenant (“Tenant Contribution”).
Included in the Tenant Contribution shall be a three percent (3%) construction management fee
payable to Landlord on all hard costs within the Cost Proposal that exceed the Landlord
Contribution. Landlord shall be released to purchase the items set forth in the Cost Proposal and
to commence the construction relating to such items upon the approval of the Cost Proposal by the
parties. The date on which the parties approve the Cost Proposal shall be known hereafter as the
“Cost Proposal Date ”. Tenant shall deliver the Tenant Contribution to Landlord on or before the
date set forth in Article 5.

F. Time Deadlines. Landlord and Tenant shall use their best efforts and all due diligence
to cooperate with the Architect, the Engineers, and each other to complete all phases of the
Construction Drawings and the permitting process and to receive the permits, and with Contractor
for approval of the Cost Proposal as soon as possible after the execution of the Lease, and, in
that regard, shall meet with Landlord on a scheduled basis to be determined by Landlord, to discuss
Tenant’s progress in connection with the same. The applicable dates for approval of items, plans
and drawings as described herein are set forth and further elaborated upon in Section 5 below (the
“Time Deadlines ”). Landlord and Tenant agree to act in a timely manner in order to facilitate
compliance with the Time Deadlines.

Section 2 CONSTRUCTION OF THE TENANT IMPROVEMENTS

A. The Contractor. A general contractor shall be selected by way of competitive proposals
from no fewer than two (2) contractors mutually agreed to by Tenant and Landlord. Landlord and
Tenant shall together review detailed proposal and scope. Contractor shall be retained by Landlord
to construct the Tenant Improvements, subject to the approval of Tenant, which shall not be
unreasonably withheld, conditioned, or delayed.

B. Tenant’s Agents — Landlord recognizes that Tenant will enlist its own contactors,
suppliers and furniture installers (the “Tenant’s Vendors”) to provide material and labor to the
Premises during the course of construction of the Tenant improvements. Landlord shall make all
reasonable efforts to accommodate Tenant Vendors and shall cause the Contractor to coordinate its
work with Tenant’s Vendors.

C. Parking — Landlord shall provide free parking for all Tenant’s Vendors and the General
Contractor’s forces.

 

 

D. Governmental Compliance. The Tenant Improvements shall comply in all respects with
the following: (i) the Code and other state, federal, city or quasi-governmental laws, codes,
ordinances and regulations, as each may apply according to the rulings of the controlling public
official, agent or other person; (ii) applicable standards of the American Insurance Association
(formerly, the National Board of Fire Underwriters) and the National Electrical Code; and (iii)
building material manufacturer’s specifications.

E. Inspection by Tenant. Tenant and Tenant’s agents shall have the right to inspect the
Tenant Improvements at all times, provided however, that Tenant’s failure to inspect the Tenant
Improvements shall in no event constitute a waiver of any of Tenant’s rights hereunder nor shall
Tenant’s inspection of the Tenant Improvements constitute approval of the same. Should Tenant or
Tenant’s agents disapprove any portion of the Tenant Improvements, Tenant shall notify Landlord in
writing of such disapproval and shall specify the items disapproved. Any defects in the Tenant
Improvements or deviations from the Approved Working Drawings shall be rectified by Landlord at no
expense to Tenant.

F. Warranties – All work installed by Landlord, its agents, employees, third party vendors
or the general contractor shall be warranted by the Landlord for the duration of the initial Lease
Term.

G. Meetings. Commencing upon the execution of this Lease, Landlord and Tenant shall hold
weekly meetings at a reasonable time, with the Architect and the Contractor regarding the progress
of the preparation of Construction Drawings and the construction of the Tenant Improvements, which
meetings shall be held at a location designated by Landlord. Tenant and/or its agents shall
receive prior notice of, and, upon Tenant’s request, certain of Landlord’s Agents shall attend such
meetings. One such meeting each month shall include the review of Contractor’s current request for
payment.

H. Schedule. Landlord will provide Tenant with Design and Construction schedule prepared by
the Architect and Contactor indicating in detail the design and construction phases for
coordination with Tenant’s Agents.

I. Construction Approval. Contractor shall provide invoices to the Landlord with copies to
the Architect and Tenant on a monthly basis. Upon written authorization from the Architect (whose
responsibility it is to determine if the work has been completed to the extent represented by the
contractor) and written authorization from the Tenant or Tenant’s Representative, the Landlord
shall pay the Contractor directly.  

		
	Section 3. 	COMPLETION OF THE TENANT IMPROVEMENTS; COMMENCEMENT DATE

A. Substantial Completion. For purposes of this Lease, “Substantial Completion” of the
Premises shall occur upon (i) the issuance of a certificate of occupancy for the Building, (ii) the
issuance of a certificate of occupancy or temporary certificate of occupancy for the Premises, and
(iii) the completion of construction of the Tenant Improvements in the Premises pursuant to the
Approved Working Drawings, with the exception of any Punch List Work and any tenant fixtures,
workstations, built-in furniture other than the main reception desk, or equipment to be installed
by Tenant or under the supervision of Contractor.

B. Delay of the Substantial Completion of the Premises. Except as provided in this
Section 3B, the Commencement Date and Tenant’s obligation to pay rent for the Premises shall occur
as set forth in Article 2 of the Lease. If there shall be a delay or there are delays in the
Substantial Completion of the Premises or in the occurrence of any of the other conditions
precedent to the Lease Commencement Date, as set forth in Article 2 of the Lease, as a direct,
indirect, partial, or total result of:

 

 

	 	(i)  	Tenant’s failure to comply with the Time Deadlines;
	 
	 	(ii)  	Tenant’s failure to timely approve any matter requiring Tenant’s approval;
	 
	 	(iii)  	A breach by Tenant of the terms of this Tenant Work Letter or the Lease;
	 
	 	(iv)  	Tenant’s request for changes in the Approved Working Drawings;
	 
	 	(v)  	Tenant’s requirement for materials, components, finishes or improvements which
are not available in a commercially reasonable time given the anticipated date of
Substantial Completion of the Premises, as set forth in the Lease, or which are
different from, or not included in, Landlord’s standard improvement package items for
the Building;
	 
	 	(vi)  	Changes to the base, shell and core work of the Building required by the
Approved Working Drawings; or
	 
	 	(vii)  	Any other acts or omissions of Tenant, or its agents, or employees,

then, notwithstanding anything to the contrary set forth in the Lease or this Tenant Work
Letter and regardless of the actual date of the Substantial Completion of the Premises, the Lease
Commencement Date shall be deemed to be the date the Lease Commencement Date would have occurred if
no Tenant delay or delays, as set forth above, had occurred.

Section 4 MISCELLANEOUS

A. Tenant’s Representative. Tenant has designated Dan Detwiler as its sole representative
with respect to the matters set forth in this Tenant Work Letter, who, until further notice to
Landlord, shall have full authority and responsibility to act on behalf of the Tenant as required
in this Tenant Work Letter.

B. Landlord’s Representative. Landlord has designated Dawn Pardinas as its sole
representatives with respect to the matters set forth in this Tenant Work Letter, who, until
further notice to Tenant, shall have full authority and responsibility to act on behalf of the
Landlord as required in this Tenant Work Letter.

C. Time of the Essence in This Tenant Work Letter. Unless otherwise indicated, all
references herein to a “number of days” shall mean and refer to calendar days. If any item
requiring approval is timely disapproved by Landlord, the procedure for preparation of the document
and approval thereof shall be repeated until the document is approved by Landlord.

D. Tenant’s Entry Into the Premises Prior to Substantial Completion. Provided that Tenant
and its agent do not interfere with Contractor’s work in the Building and the Premises, Contractor
shall allow Tenant access to the Premises pursuant to Section 2 of the Lease prior to the
Substantial Completion of the Premises for the purpose of Tenant installing fixtures and equipment
(including Tenant’s data and telephone equipment) in the Premises; provided however, that prior to
such entry to the Premises, Tenant shall provide evidence reasonably satisfactory to Landlord that
Tenant’s insurance, as described in Section 10.3 of the Lease shall be in effect as of the time of
entry. Such permission may be revoked at any time upon twenty-four hours’ notice, upon an
explanation of a reasonable and justified cause, and Tenant and Tenant’s Vendors shall not
interfere with Landlord or Contractor in completing the Building or the Tenant Improvements.

E. Punch List Work. Landlord shall inform Tenant in writing one (1) week prior to the
expected date of Substantial Completion, so that the parties can arrange for and conduct a walk
through of the Premises on the expected date of Substantial Completion. Within thirty (30) days
after Substantial Completion, Tenant shall prepare and deliver to Landlord a list of any items
comprising Punch List Work. Promptly following receipt of such list, Landlord shall cause
Contractor to promptly complete the Punch List Work in a manner that minimizes disruption to
Tenant’s business operations.

 

 

Section 5 TIME DEADLINES

	 	 	 	 	 	 
	 
	 	Actions to be Performed	 	 	Dates	 
	 	A. Landlord and Tenant review
and finalize Tenant’s list for
Tenant Improvements

	 	 	November 8, 2004 through November 17,
2004 (Completed)	 
	 	B. Receive Contractor’s
estimate for construction based
on Final Space Plan

	 	 	November 12, 2004 (Completed)	 
	 	C. Landlord and Tenant sign off
on Space Plan and key notes
based on construction costs and
material used

	 	 	Week of November 15, 2004 (Completed)	 
	 	D. Begin draft construction
drawings based on signed off
Space Plan and key notes

	 	 	November 18, 2004 (In progress as of
December 3, 2004)	 
	 	E. Submit construction drawings
to City of Thousand Oaks,
Landlord & Tenant for review and
comment

	 	 	December 17, 2004	 
	 	F. Receive construction drawing
red-line comments from Landlord
and Tenant

	 	 	December 29, 2004	 
	 	G. Receive construction drawing
red-line comments from City of
Thousand Oaks; Landlord to
provide Tenant with construction
bid based on Approved Working
Drawings.

	 	 	January 7, 2005	 
	 	H. Re-submit construction
drawings to City of Thousand
Oaks

	 	 	January 12, 2005	 
	 	I. Receive construction permit

	 	 	Week of January 19, 2005	 
	 	J. Receive certificate of
occupancy for Building

	 	 	Not applicable to T. I.	 
	 

 

 

EXHIBIT D

SCHEDULE 1

DESCRIPTION OF BASE BUILDING IMPROVEMENTS

The following is a description of Base Improvements for the Premises. Any items not specifically
identified are intended to be included with the Tenant Improvements.

The building consist of three (3) story steel framed construction with surface parking. The
exterior finish is exterior stucco with brick accent, concrete tile roof and bronze glazing in
bronze aluminum frames throughout. The front entry to the building has geometrically designed
window wall system with a lighted open effect.

	1)  	Completed men’s and women’s restrooms to include 48” height ceramic tile on 2 walls only –
“wet walls” and complete tile on the entire floor with a floor drain. The restrooms shall
contain high quality fixtures, adequately sized mirrors, and the countertops shall be of stone
material provided at Landlord’s expense.

	2)  	Completed telephone/electrical closets on each floor, properly vented and lighted. Tenant’s
telephone and communication equipment to be located in Premises.

	3)  	Completed are painted and carpeted stairwells to include required lighting, excluding exit
lighting within the Premises.

	4)  	The HVAC system in place is comprised of 9 individual package units ranging from 3 tons and
up to 121/2 tons for ultimate flexibility of zoning and lower operating cost. The base building
will include fully air-conditioned corridors, stairs, and lobbies with digital control
systems.

	5)  	The main building lobby will be finished with stone or tile flooring, laminated panel walls,
and drywall ceiling with downlights.

	6)  	The common corridors on all floors are approximately 5’0” feet wide through the central
portion of the building with 9’-0” high ceiling. Finish paint and/or wall covering in the
corridor. The perimeter of the inside exterior walls shall have completed studs with
insulation installed prior to Tenant Improvements at Landlord’s expense. Interior columns in
lease space will be dry wall taped for future finish. Required corridor walls will be
finished on corridor side only. Half the cost of corridor demising partitions will be charged
against the Tenant Improvement allowance.

	7)  	All floors shall be delivered finished smooth (wall to wall) and shall be flat to a level of
one-quarter (1/4) inch over ten (10) feet in any direction (noncumulative). The floors shall be
ready to accept floor covering, with only minor floor-floating required.

	8)  	The premises shall be provided with sprinkler risers, mainlines, branch lines and heads as
required by local codes for unoccupied space. The cost of any modifications to base system
shall be deducted from the Tenant Improvement allowance.

	9)  	An electrical system shall be properly installed in the Building using high quality
components consisting of 2,000 amps, 480/277 volt, 3 phase, 4 wire service located in the
completed electrical room. Primary electrical service to the Building shall be installed and
wired with pad mounted

 

 

	   	transformer in an acceptable location. Adequate power shall be transformed for house power
(to include but not be limited to exterior lighting, landscaping controls, parking lot
lighting, etc.).
	 
	10)  	The loading capacity of all “upper” floors shall be a minimum live load of eighty (80) pounds
per square foot and a minimum dead load of twenty (20) pounds per square foot.
	 
	11)  	One (1) elevator of adequate size and capacity to serve the building will be provided to
service all three (3) floors.
	 
	12)  	Interior Building Standard Specifications:

	 	 	 	 	 	 
	 
	 	Entry Door/Frames:

	 	 	Aluminum door frame with single glass opening.	 
	 	 

	 	 	 	 
	 	Entry Door Hardware:

	 	 	Overhead Concealed closers.	 
	 	 

	 	 	 	 
	 	Interior Door/Frame:

	 	 	3’ x 8’ solid core door with Red Oak Veneer faces and
edges and stained Finish. Western Integrated Black
Aluminum Door frame.	 
	 	 

	 	 	 	 
	 	Interior Door Hardware:

	 	 	Schlage “D” series (non-mortise) lever #17 (finish 626).	 
	 	 

	 	 	 	 
	 	Demising Partitions:

	 	 	3 5/8” 25 gauge metal studs @ 24” on center from floor to
slab above with l layer of 5/8” type X Gypsum board each
side with R-11 sound insulation between studs.	 
	 	 

	 	 	 	 
	 	Interior Partitions:

	 	 	3 5/8” 25 gauge metal studs @ 24” on center from floor to
6” above ceiling grid with 5/8” gypsum board each side.	 
	 	 

	 	 	 	 
	 	Ceiling Grid and Tile:

	 	 	Donn Products Standard 2’ x 2’ fineline 1/8” grid with
Armstrong Minatone 24” x 24” x 3/4” USG Olympia Micro Clima
Plus tiles at 9’2” above finish floor.	 
	 	 

	 	 	 	 
	 	Resilient Flooring:

	 	 	12” x 12” x 1/8” vinyl composition tile “VCT” from
Armstrong Excelon Standard.	 
	 	 

	 	 	 	 
	 	Carpet and Base:

	 	 	31 oz. Nylon carpet glue down. 4” vinyl base with carpet
base at corridors.	 
	 	 

	 	 	 	 
	 	Painting:

	 	 	Dunn Edwards eggshell latex paint. One prime and one
Finish cost from building standard selections.	 
	 	 

	 	 	 	 
	 	Fire Sprinklers:

	 	 	Fully sprinklered suites with semi-recessed heads per code.	 
	 	 

	 	 	 	 
	 	Electrical Outlets:

	 	 	Standard electrical plugs and cover plates (white) 2 per
1,500 square feet.	 
	 	 

	 	 	 	 
	 	Switches:

	 	 	Standard (white single pole silent type toggle switch per
Title 24 calculations.	 
	 	 

	 	 	 	 
	 	Dedicated Outlets:

	 	 	20 amp dedicated outlet. Two (2) per suite.	 
	 	 

	 	 	 	 
	 	Telephone Outlets:

	 	 	Telephone/data outlet, one (1) per office (white).	 
	 	 

	 	 	 	 
	 

 

 

	 	 	 	 	 	 
	 
	 	Lighting Fixtures

	 	 	2’ x 4’ recessed fixture with parabolic lenses. Down lights, recessed
Lithonia fixture, 100 watt lamps.	 
	 	 

	 	 	 	 
	 	Suite Door Signage:
	 	 	 	 
	 	 

	 	 	 	 
	 	Fire/Life Safety:

	 	 	Emergency smoke detectors as required by code.	 
	 	 

	 	 	 	 
	 	Window Coverings:
	 	 	 	 
	 	 

	 	 	 	 
	 

 

 

EXHIBIT E

ESTOPPEL CERTIFICATE

	 	 	 
	TO:

	 	                                                            
	

	 	                                                            
	

	 	                                                            
	

	 	                                                            
	

	 	Attn:

Tekelec (“Tenant”) hereby certifies as follows:

1. The undersigned is the Tenant under that certain Office Lease dated                     , 20___(the
“Lease”), executed by Grenhill Development Corporation (“Landlord”) as Landlord and the undersigned
as Tenant, covering a portion of the property located at 4580 E. Thousand Oaks Boulevard, Westlake
Village, California (the “Property”).

2. Pursuant to the Lease, Tenant has leased approximately 22,409 square feet of space (the
“Premises”) at the Property and has paid to Landlord a security deposit of $16,176.57. The term of
the Lease commenced on January 15, 2005 and the expiration date of the Lease is January 14, 2015.
Tenant has paid rent through                     , 20___. The next rental payment in the amount of
$                     is due on                     , 20___. Tenant is required to pay ___percent (___%) of all
annual operating expenses for the Property in excess of                     .

3. Tenant is entitled to eighty five (85) parking spaces at a charge of $                     per month per
space.

4. The Lease provides for an option to extend the term of the Lease for ___years. The rental
rate for such extension term is as follows:                                                                                                                         .
Except as expressly provided in the Lease, and other documents attached hereto, Tenant
does not have any right or option to renew or extend the term of the Lease, to lease other space at
the Property, nor any preferential right to purchase all or any part of the Premises or the
Property.

5. True, correct and complete copies of the Lease and all amendments, modifications and supplements
thereto are attached hereto and the Lease, as so amended, modified and supplemented, is in full
force and effect, and represents the entire agreement between Tenant and Landlord with respect to
the Premises and the Property. There are no amendments, modifications or supplements to the Lease,
whether oral or written, except as follows (include the date of such amendment, modification or
supplement).

6. All space and improvements leased by Tenant have been completed and furnished in accordance with
the provisions of the Lease, and Tenant has accepted and taken possession of the Premises.

7. Landlord is not in any respect in default in the performance of the terms and provisions of the
Lease. Tenant is not in any respect in default under the Lease and has not assigned, transferred
or hypothecated the Lease or any interest therein or subleased all or any portion of the Premises.

 

 

     8. There are no offsets or credits against rentals payable under the Lease and no free periods or
rental concessions have been granted to Tenant, except as follows:                                                                                                     .

     9. Tenant has no actual or constructive knowledge of any processing, use, storage, disposal,
release or treatment of any hazardous or toxic materials or substances on the Premises or the
Property except as follows (if none, state “none”):                                                                                                                         .

     This Certificate is given to                                          with the understanding that                      will rely
hereon in connection with the conveyance of the Property of which the Premises constitute a part to
                    . Following any such conveyance, Tenant agrees that the Lease shall remain in full
force and effect and shall bind and inure to the benefit of the                      and its successor in
interest as if no purchase had occurred.

	 	 	 
	DATED:                     , 2004

	 	“TENANT”
	 
	 	 
	

	 	 
	 
	 	 
	

	 	 

[ATTACH LEASE AND AMENDMENTS TO THIS CERTIFICATE]

EXHIBIT F

DEPICTION OF BUILDING SIGNAGE LOCATION

[GRAPHIC]

 

 

EXHIBIT G

COPY OF FINAL SPACE PLAN WITH KEYNOTES

[GRAPHIC DEPICTION]

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