Failure to Timely Clean-Up. Should any Clean-up for which Tenant is responsible not be completed, or should Tenant not receive the Closure Letter and any governmental approvals required under Environmental Laws in conjunction with such Clean-up prior to the expiration or earlier termination of this Lease, then, commencing on the later of the termination of this Lease and three (3) business days after Landlord's delivery of notice of such failure and that it elects to treat such failure as a holdover, Tenant shall be liable to Landlord as a holdover tenant (as more particularly provided in Article 16) until Tenant has fully complied with its obligations under this Section 5.3.

Environmental Reports; Clean-Up. If any written report, including any report containing results of any Environmental Assessment (an "Environmental Report") shall indicate # the presence of any Hazardous Materials as to which Tenant has a removal or remediation obligation under this Section 5.3, and # that as a result of same, the investigation, characterization, monitoring, assessment, repair, closure, remediation, removal, or other clean-up (the "Clean-up") of any Hazardous Materials is required, Tenant shall immediately prepare and submit to Landlord within thirty (30) days after receipt of the Environmental Report a comprehensive plan, subject to Landlord’s written approval, specifying the actions to be taken by Tenant to perform the Clean-up so that the Premises are restored to the conditions required by this Lease. Upon Landlord’s approval of the Clean-up plan, Tenant shall, at Tenant’s sole cost and expense, without limitation on any rights and remedies of Landlord under this Lease, immediately implement such plan with a consultant reasonably acceptable to Landlord and proceed to Clean-Up Hazardous Materials in accordance with all applicable laws. If, within thirty (30) days after receiving a copy of such Environmental Report, Tenant fails either # to complete such Clean-up, or # with respect to any Clean-up that cannot be completed within such thirty-day period, fails to proceed with diligence to prepare the Clean-up plan and complete the Clean-up as promptly as practicable, then Landlord shall have the right, but not the obligation, and without waiving any other rights under this Lease, to carry out any Clean-up recommended by the Environmental Report or required by any governmental authority having jurisdiction over the Premises, and recover all of the costs and expenses thereof from Tenant as Additional Rent, payable within ten (10) days after receipt of written demand therefor.

Environmental Reports; Clean-Up. If any written report, including any report containing results of any Environmental Assessment (an “ XE "Environmental Report" Environmental Report”) shall indicate # the presence of any Hazardous Materials as to which Tenant has a removal or remediation obligation

First Amendment to Second Amended and Restated Operating Agreement, dated as of March , 2014, of 2012 V PPA Holdco, LLC by and between Firstar and Clean Technologies;

Timely Notice. In order to receive termination compensation and the health insurance benefit set forth in numbered paragraph 1, the Employee agrees to notify ​ in writing within 45 days of the "Good Reason" event that entitles the Employee to termination compensation. Failure to provide such written notice shall be deemed a full waiver of all termination compensation. It is specifically understood and agreed that this 45-day notice is a material condition precedent to the Employer's obligation to pay these benefits. Employee fully understands the need for timely notice and agrees that termination compensation and health insurance will not be paid if notice is not given within 45 days of the "Good Reason" event.

No Rent Abatement. Tenant shall continue to pay all Rent due or accruing under this Lease during any Clean-up, and shall not be entitled to any reduction, offset or deferral of any Base Rent or Additional Rent due or accruing under this Lease during any such Clean-up.

Signs, Response Plans, Etc. Tenant shall be responsible for posting on the Premises any signs required under applicable Environmental Laws in connection with any required Clean-up necessitated by Tenant's use of the Premises. Tenant shall also complete and file any business response plans or inventories required by any Applicable Laws in connection with any required Clean-up, necessitated by Tenant's use of the Premises. Tenant shall concurrently file a copy of any such business response plan or inventory with Landlord in connection with any required Clean-up, necessitated by Tenant's use of the Premises.

Lock-Up Period. Participant hereby agrees that Participant shall not offer, pledge, sell, contract to sell, sell any option or contract to purchase, purchase any option or contract to sell, grant any option, right or warrant to purchase, lend, or otherwise transfer or dispose of, directly or indirectly, any Common Stock (or other securities) of the Company or enter into any swap, hedging or other arrangement that transfers to another, in whole or in part, any of the economic consequences of ownership of any Common Stock (or other securities) of the Company held by Participant (other than those included in the registration) for a period specified by the representative of the underwriters of Common Stock (or other securities) of the Company not to exceed 180-days following the effective date of any registration statement of the Company filed under the Securities Act (or such other period as may be requested by the Company or an underwriter to accommodate regulatory restrictions including, but not limited to, FINRA Rule 2241, if applicable, or any similar or successor provisions or amendments thereto).

Lock-Up Agreement. At the Closing, BRPA and the Company Stockholders listed on [Schedule 1.7] of the Company Schedules (the “Lock-Up Stockholders”) shall enter into an agreement which shall provide that the Lock-Up Stockholders shall not transfer the shares of BRPA Common Stock received hereunder as Per Share Merger Consideration except to Permitted Transferees, until the earlier of # the six-month anniversary of the Closing Date, # with respect to 50% of the shares of BRPA Common Stock issued to the Lock-Up Stockholders, the date on which the closing price of the BRPA Common Stock equals or exceeds $12.00 per share (as adjusted for stock splits, stock dividends, reorganizations, recapitalizations and the like) for any 20 trading days within any 30-trading day period commencing after the Closing Date, and # the date after the Closing on which BRPA consummates a liquidation, merger, stock exchange or other similar transaction which results in all of BRPA’s stockholders having the right to exchange their BRPA Common Stock for cash, securities or other property. The book entry positions or certificates evidencing shares of BRPA Common Stock issued to the Lock-Up Stockholders hereunder will each include prominent disclosure or bear a prominent legend evidencing the fact that such shares are subject to the foregoing transfer restrictions.

Lock-Up. For a period from the Effective Date until the twelve month anniversary of the Effective Date (the “Lock-Up Period”), Holder will not, directly or indirectly:

During the Lock-up Period (as defined below), the Holder irrevocably agrees that it, he or she will not offer, sell, contract to sell, pledge or otherwise dispose of, directly or indirectly, any of the Lock-up Shares (as defined below) (including any securities convertible into, or exchangeable for, or representing the rights to receive, Lock-up Shares), enter into a transaction that would have the same effect, or enter into any swap, hedge or other arrangement that transfers, in whole or in part, any of the economic consequences of ownership of such Lock-up Shares, whether any of these transactions are to be settled by delivery of any such Lock-up Shares, in cash or otherwise, publicly disclose the intention to make any offer, sale, pledge or disposition, or to enter into any transaction, swap, hedge or other arrangement, or engage in any Short Sales (as defined below) with respect to any security of the Purchaser; provided that if the Holder is the Chief Executive Officer of the Company, the Holder may offer, sell, contract to sell, pledge or otherwise dispose of, directly or indirectly, up to 500,000 of the Lock-up Shares (any such shares, “Transfer Shares”) provided that the person acquiring such Transfer Shares shall sign and deliver to the Parent a resale lock-up agreement substantially in the form of this resale lock-up agreement and the lock-up period for such Transfer Shares shall be no shorter than the Lock-Up Period applicable to the Transfer Shares immediately prior to their transfer.

Failure. Any failure by Licensee to comply with the obligations set forth in this Article V in significant and material respects shall be subject to Article XIII, and any other available remedies at law or in equity.

◦test for, monitor, clean up, remove, contain, treat, detoxify or neutralize pollutants, or in any way respond to or assess the effects of pollutants.

treatment, storage, disposal, transport or handling of pollutants, contaminants, petroleum or petroleum products, chemicals or industrial, toxic or hazardous substances or wastes or the clean-up or other remediation thereof.

Attach copies of any clearance letters obtained from any regulatory agencies involved and the results of any final soil or groundwater sampling done upon completion of the clean-up work.

Make-Up Subaccounts. The balance in Participant’s Make-Up Subaccount shall vest or be forfeited under the same terms that would apply had such amount been part of the Participant’s account under the ESOP; provided, however that amounts so forfeited shall not be restored if the Participant is reemployed, regardless of whether similar forfeitures under the ESOP would be restored under the circumstances.

Catch-up contributions means elective deferrals made to the plan that are in excess of an otherwise applicable plan limit and that are made by participants who are age 50 or over by the end of their taxable years. An otherwise applicable plan limit is a limit in the plan that applies to elective deferrals without regard to catch-up contributions, such as any limitation set forth in [Section 3.4], the limits on annual additions described in [Section 5.1], the dollar limitation on elective deferrals under Code section 402(g) (not taking into account catch-up contributions) and the limit imposed by the actual deferral percentage (ADP) test under [Section 5.5(b)]. Catch-up contributions for a participant for a taxable year may not exceed:

Lock-Up Agreement. In connection with the initial public offering of the Company’s securities and upon request of the Company or the underwriters managing any underwritten offering of the Company’s securities, Optionee hereby agrees not to sell, make any short sale of, loan, grant any option for the purchase of, or otherwise dispose of any securities of the Company however and whenever acquired (other than those included in the registration) without the prior written consent of the Company or such underwriters, as the case may be, for such period of time (not to exceed 180 days but subject to such extension or extensions as may be required by the underwriters in order to publish research reports while complying with Rule 2711 of the National Association of Securities Dealers, Inc.) from the effective date of such registration as may be requested by the Company or such managing underwriters and to execute an agreement reflecting the foregoing as may be requested by the underwriters at the time of the public offering.

Catch-Up Contributions. A Catch-Up Eligible Participant for any Plan Year shall be eligible to make Catch-Up Contributions (as Before-Tax Contributions and/or Roth Contributions, as designated by the Participant) for such Plan Year. Catch-Up Eligible Participants shall be provided with the effective opportunity to make the same dollar amount of Catch-Up Contributions. The Committee shall administer this [Section 4.1(b)] as provided in IRS Regulation 1.414(v)-1 and pursuant to such other uniform and non-discriminatory rules as the Committee shall determine.