Letter of Credit Amounts. Unless otherwise specified herein, the amount of a Letter of Credit at any time shall be deemed to be the stated amount of such Letter of Credit in effect at such time; provided, however, that with respect to any Letter of Credit that, by its terms or the terms of any Issuer Document related thereto, provides for one or more automatic increases in the stated amount thereof, the amount of such Letter of Credit shall be deemed to be the maximum stated amount of such Letter of Credit after giving effect to all such increases, whether or not such maximum stated amount is in effect at such time.

Letter of Credit Fees. In consideration of the issuance of Letters of Credit hereunder, the Borrowers agree to pay to the Administrative Agent, for the pro rata benefit of the applicable Revolving Loan Lenders (based on each [[Organization A:Organization]]’s Revolving Loan Commitment), a per annum fee (the “Letter of Credit Fees”) equal to the Applicable Percentage for Eurodollar Loans on the average daily maximum amount available to be drawn under each such Letter of Credit from the date of issuance to the date of expiration. The Letter of Credit Fees will be payable quarterly in arrears after the issuance of such Letter of Credit (as well as on the Revolving Loan Maturity Date).

Letter-of-Credit Rights. If any Grantor is at any time a beneficiary under a Letter of Credit now or hereafter issued in favor of such Grantor, with a value in excess of $100,000, such Grantor shall promptly notify Lender thereof and such Grantor shall maintain all Letter-of-Credit Rights assigned to Lender so that Lender has Control of the Letter-of-Credit Rights.

Letter of Credit Fees. Each Defaulting Lender shall be entitled to receive Letter of Credit Fees for any period during which that Lender is a Defaulting Lender only to the extent allocable to its Applicable Revolving Percentage of the stated amount of Letters of Credit for which it has provided Cash Collateral pursuant to Section 2.14.

ARTICLE # THE COMMITMENTS AND CREDIT EXTENSIONS

Subject to the terms and conditions set forth herein, # each L/C Issuer agrees, in reliance upon (among other things) the agreements of the other Revolving Credit ​ set forth in this [Section 2.03], # from time to time on any Business Day during the period from the Closing Date until 30 days prior to the Initial Revolving Credit Maturity Date (or, if such day is not a Business Day, the next preceding Business Day), to issue Letters of Credit denominated in Dollars for the account of each Borrower, and to amend or extend Letters of Credit previously issued by it, in accordance with [Section 2.03(b), and (2)])] to honor drawings under the Letters of Credit; and # the Revolving Credit ​ severally agree to participate in Letters of Credit issued for the account of each Borrower or any of its Wholly-Owned Restricted Subsidiaries on a pro rata basis in accordance with their respective Pro Rata Share of the Total Revolving Credit Commitments; provided that, on the Closing Date, the aggregate amount of any Existing Letters of Credit shall be reallocated among the Revolving Credit ​ so that, after giving effect thereto, the Revolving Credit ​ shall share ratably participations in such Letters of Credit in accordance with their Pro Rata Share of the Revolving Credit Commitment (after giving effect to any L/C Credit Extension and expiration of any Letter of Credit on the Closing Date); provided, further, that any Letter of Credit issued on behalf of any Restricted Subsidiary of ESI shall be issued naming ESI as the account party on any such Letter of Credit, but such Letter of Credit may contain a statement that it is being issued for the benefit of such Restricted Subsidiary; provided, further, that no L/C Issuer shall be obligated to make any L/C Credit Extension with respect to any Letter of Credit, and no Revolving Credit Lender shall be obligated to participate in any Letter of Credit if, as of the date of such L/C Credit Extension, # the amount available to be drawn under Letters of Credit issued by such L/C Issuer would exceed such L/C Issuer’s Pro Rata Share of the Letter of Credit Sublimit, # the aggregate Outstanding Amount of the Revolving Credit Loans of any Revolving Credit Lender plus such Revolving Credit Lender’s Pro Rata Share of the Outstanding Amount of all L/C Obligations would exceed such Revolving Credit Lender’s Revolving Credit Commitment, # the Total Outstandings would exceed the Total Revolving Credit Commitments or # the Outstanding Amount of all L/C Obligations would exceed the Letter of Credit Sublimit. Each request by a Borrower for the issuance or amendment of a Letter of Credit shall be deemed to be a representation by a Borrower that the L/C Credit Extension so requested complies with the conditions set forth in the first proviso in the preceding sentence. Within the foregoing limits, and subject to the terms and conditions hereof, each Borrower’s ability to obtain Letters of Credit shall be fully revolving, and accordingly each such Borrower may, during the foregoing period, obtain Letters of Credit to replace Letters of Credit that have expired or that have been drawn upon and reimbursed. All Existing Letters of Credit shall be deemed to have been issued pursuant hereto, and from and after the Closing Date shall be subject to and governed by the terms and conditions hereof.

Delivery of Letter of Credit. Tenant shall deliver to Landlord, within ten (10) business days after Tenant's execution of this Lease, an unconditional, clean, irrevocable letter of credit (the "L‑C XE "L‑C" ") in the amount set forth in Section 8 of the Lease Summary (the "L‑C Amount XE "L‑C Amount" "), which L‑C shall be issued by a money-center, solvent and nationally recognized bank (a bank which accepts deposits, maintains accounts, has a local San Francisco Bay Area office which will negotiate a letter of credit or will accept draw requests by facsimile, and whose deposits are insured by the FDIC) reasonably acceptable to Landlord (such approved, issuing bank being referred to herein as the "Bank XE "Bank" "), which Bank must have a rating from Standard and Poors Corporation of BBB+ or better (or any equivalent rating thereto from any successor or substitute rating service selected by Lessor) and a letter of credit issuer rating from Moody’s Investor Service of [[Unknown Identifier]] or better (or any equivalent rating thereto from any successor rating agency thereto)) (collectively, the "Bank’s Credit Rating Threshold XE "Bank’s Credit Rating Threshold" "), and which L‑C shall be substantially in the form of [Exhibit H], attached hereto (with such commercially reasonable modifications required by the issuing bank as are reasonably approved by Landlord).. Landlord hereby agrees that Silicon Valley Bank is an approved “Bank” as of the date of this Lease. Tenant shall pay all expenses, points and/or fees incurred by Tenant in obtaining the L‑C. The L‑C shall # be "callable" at sight, irrevocable and unconditional, # be maintained in effect, whether through renewal or extension, for the period commencing on the date of this Lease and continuing until the date (the "L‑C Expiration Date XE "L‑C Expiration Date" ") that is no less than sixty (60) days after the expiration of the Lease Term as the same may be extended, and Tenant shall deliver a new L‑C or certificate of renewal or extension to Landlord at least thirty (30) days prior to the expiration of the L‑C then held by Landlord, without any action whatsoever on the part of Landlord, # be fully assignable by Landlord, its successors and assigns, # permit partial draws and multiple presentations and drawings, and # be otherwise subject to the Uniform Customs and Practices for Documentary Credits (1993-Rev), International Chamber of Commerce Publication #500, or the International Standby Practices-ISP 98, International Chamber of Commerce Publication #590. Landlord, or its then managing agent, shall have the right to draw down an amount up to the face amount of the L‑C if any of the following shall have occurred or be applicable: # such amount is due to Landlord under the terms and conditions of this Lease, and has not been paid within applicable notice and cure periods (or, if Landlord is prevented by law from providing notice, within the period for payment set forth in this Lease), or # Tenant has filed a voluntary petition under the U. S. Bankruptcy Code or any state bankruptcy code (collectively, "Bankruptcy Code XE "Bankruptcy Code" "), or # an involuntary petition has been filed against Tenant under the Bankruptcy Code that is not dismissed within thirty (30) days, or # the Lease has been rejected, or is deemed rejected, under Section 365 of the U.S. Bankruptcy Code, following the filing of a voluntary petition by Tenant under the Bankruptcy Code, or the filing of an involuntary petition against Tenant under the Bankruptcy Code, or # the Bank has notified Landlord that the L‑C will not be renewed or extended through the L‑C Expiration Date, and Tenant has not provided a replacement L-C that satisfies the requirements of this Lease at least thirty (30) days prior to such expiration, or # Tenant is placed into receivership or conservatorship, or becomes subject to similar proceedings under Federal or State law, or # Tenant executes an assignment for the benefit of creditors, or # if # any of the Bank's credit ratings have been reduced below the Bank's Credit Rating Threshold, or # the Bank ceases to satisfy the conditions required by this Section 21.1, and Tenant has failed to provide Landlord with a replacement letter of credit, conforming in all respects to the requirements of this Article 21 (including, but not limited to, the requirements placed on the issuing Bank more particularly set forth in this Section 21.1 above), in the amount of the applicable L‑C Amount, within ten (10) days following Landlord’s written demand therefor (with no other notice or cure or grace period being applicable thereto, notwithstanding anything in this Lease to the contrary) (each of the foregoing being an "L‑C Draw Event XE "L‑C Draw Event" "). The L‑C shall be honored by the Bank regardless of whether Tenant disputes Landlord's right to draw upon the L‑C. In addition, in the event the Bank is placed into receivership or

Letter of Credit Collateral Account. The Borrowers hereby agree that they will, from the time a deposit is required pursuant to Section 2.3(a), [Section 9.2(c)], Section 9.3 or [Section 11.9] until the Obligations are satisfied and all Letters of Credit have expired or been terminated or cancelled or as otherwise set forth below, maintain a special collateral account (the “Letter of Credit Collateral Account”) at the Administrative Agent’s office at the address specified pursuant to Section 11.1, in the name of the Borrowers, but under the sole dominion and control, including the exclusive right of withdrawal, of the Administrative Agent, for the benefit of the Revolving Loan Lenders, and in which the Borrowers shall have no interest other than as set forth in this [Section 2.3(l)] or in Section 9.3. Such Letter of Credit Collateral Account shall be funded to the extent required by Section 2.3(a), [Section 9.2(c)], Section 9.3 or [Section 11.9]. In addition to the foregoing, the Borrowers hereby grant to the Administrative Agent, for the benefit of itself, the Issuing [[Organization A:Organization]] and the Revolving Loan Lenders, a properly perfected security interest in and lien on the Letter of Credit Collateral Account, any cash or other funds, notes, certificates of deposit and other instruments that may hereafter be on deposit in the Letter of Credit Collateral Account, any certificates or instruments from time to time evidencing or representing the Letter of Credit Collateral Account, all interest, dividends and other property distributed in respect of or in exchange for the foregoing, and the proceeds thereof (the “Letter of Credit Collateral”), all to secure the payment and performance of the Obligations as set forth below. The Borrowers agree that they will not # sell or otherwise dispose of any interest in the Letter of Credit Collateral or # create or permit to exist any lien, security interest or other charge or encumbrance upon or with respect to any of the

Transfer of Letter of Credit. The Letter of Credit shall provide that Landlord, its successors and assigns, may, at any time and without notice to Tenant and without first obtaining Tenant’s consent thereto, transfer (one or more times) all or any portion of its interest in and to the Letter of Credit to another party, person or entity. In the event of a transfer of Landlord’s interest in the Building, Landlord shall transfer the Letter of Credit, in whole or in part, to the transferee and thereupon Landlord shall, without any further agreement between the parties, be released by Tenant from all liability therefor arising after such transfer, and it is agreed that the provisions hereof shall apply to every transfer or assignment of the whole or any portion of said Letter of Credit to a new landlord. In connection with any such transfer of the Letter of Credit by Landlord, Tenant shall, at Tenant’s sole cost and expense, execute and submit to the Bank such applications, documents and instruments as may be necessary to effectuate such transfer, and Tenant shall be responsible for paying the Bank’s transfer and processing fees in connection therewith.

“Loan Documents” means, collectively, # this Agreement, # the Notes, # the Guaranty, # each Fee Letter, # each Letter of Credit and # each of the Issuer Documents, as of the foregoing # - # may be amended, supplemented or restated from time to time.