Hazardous Materials. (a) Tenant Obligations. Tenant shall not bring or allow any of Tenant's Agents to bring on the Premises or the Project, any asbestos, petroleum or petroleum products, used oil, explosives, toxic materials or substances defined as hazardous wastes, hazardous materials or hazardous substances under any federal, state or local law or regulation (“Hazardous Materials”), except for routine office and janitorial supplies used on the Premises and stored in the usual and customary manner and quantities, and in compliance with all applicable environmental laws and regulations (“Permitted Materials”). Except as provided in this Section 9.2, in the event of any release of Hazardous Materials on, from, under or about the Premises or the Project as the result of Tenant’s occupancy or use of the Premises, Landlord shall have the right, but not the obligation, to cause Tenant, at Tenant’s sole cost and expense, to clean up, remove, remediate and repair any soil or groundwater contamination or other damage or contamination in conformance with the requirements of applicable law. Subject to the waivers set forth in [Section 15.5], Tenant shall indemnify, protect, hold harmless and defend (by counsel acceptable to Landlord) Landlord, its affiliates, its Agents and each of their respective Agents, successors and assigns, from and against any and all demands, claims, causes of action, damages, penalties, fines, liabilities, judgments, costs and expenses (including, without limitation, reasonable attorneys’ fees and court costs) (“Claims”) to the extent caused by or arising out of # a violation of the foregoing prohibitions or # the presence or release of any Hazardous Materials on, from, under or about the Premises, the Project or other properties as the result of Tenant's occupancy or use of the Premises. Notwithstanding anything to the contrary, Tenant's obligation to indemnify, protect, hold harmless and defend Landlord, its affiliates, its Agents and each of their respective Agents, successors and assigns, shall not extend to any Claims arising as a result of, and Tenant shall not have any liability to Landlord under this Section 9.2 resulting from, any Hazardous Materials # existing or generated, on, from, under or about the Project, including, without limitation, the Premises, prior to the Date of Lease (“Pre-Existing Contamination”) unless caused or exacerbated by Tenant’s or Tenant’s Agents’ release of Hazardous Materials, exacerbation of Pre-Existing Contamination, violation of any applicable laws, statutes, ordinances or governmental rules or regulations or breach by Tenant of its obligations under this Section 9.2 (collectively, and separately referred to as “Tenant Responsible Contamination”), subject to the waivers in [Section 15.5], # that migrate onto the Premises, Building or Project by no fault of Tenant, or # generated or brought on the Premises, Building or Project by Landlord or its Agents. Tenant shall immediately give Landlord written notice # of any suspected breach of this Section 9.2, # upon Tenant’s actual knowledge of the presence or any release of any Hazardous Materials (other than Permitted Materials) within or about the Premises or # upon receiving any notices from governmental agencies or other parties pertaining to Hazardous Materials which may affect the Premises. Neither the written consent of Landlord to the presence of the Hazardous Materials, nor Tenant's compliance with all laws applicable to such Hazardous Materials, shall relieve Tenant of its indemnification obligation under this Lease. Landlord shall have the right from time to time, but not the obligation, to # request from Tenant information showing Tenant’s compliance with its obligations under Section 9.2; and # to enter upon the Premises in accordance with Article XIV to conduct such inspections and undertake such sampling and testing activities as Landlord deems necessary or desirable to determine whether Tenant is in compliance with its obligations under Section 9.2, except that in no event may Landlord sample or test tenant raw materials, lab materials, products or processes, except with the prior written consent of Tenant, which consent may be withheld if commercially reasonable alternative means exist to assure Tenant compliance.

Tenant shall not cause or permit any Hazardous Materials (as defined below) to be brought upon, kept or used in or about the Premises, the Building or the Project in violation of Applicable Laws by Tenant or any of its employees, agents, contractors or invitees (collectively with Tenant, each a “Tenant Party”). If # Tenant breaches such obligation, # the presence of Hazardous Materials as a result of such a breach results in contamination of the Project, any portion thereof, or any adjacent property, # contamination of the Premises otherwise occurs during the Term or any extension or renewal hereof or holding over hereunder, except to the extent caused by Landlord or its contractors or # contamination of the Project occurs as a result of Hazardous Materials that are placed on or under or are released into the Project by a Tenant Party, then Tenant shall Indemnify the Landlord Indemnitees from and against any and all Claims of any kind or nature, including # diminution in value of the Project or any portion thereof, # damages for the loss or restriction on use of rentable or usable space or of any amenity of the Project, # damages arising from any adverse impact on marketing of space in the Project or any portion thereof and # sums paid in settlement of Claims that arise before, during or after the Term as a result of such breach or contamination. This indemnification by Tenant includes costs incurred in connection with any investigation of site conditions or any clean-up, remedial, removal or restoration work required by any Governmental Authority because of Hazardous Materials present in the air, soil or groundwater above, on, under or about the Premises, except to the extent the same were caused by Landlord or its contractors. Without limiting the foregoing, if the presence of any Hazardous Materials in, on, under or about the Project, any portion thereof or any adjacent property caused or permitted by any Tenant Party results in any contamination of the Project, any portion thereof or any adjacent property, then Tenant shall promptly take all actions at its sole cost and expense as are necessary to return the Project, any portion thereof or any adjacent property to its respective condition existing prior to the time of such contamination; provided that Landlord’s written approval of such action shall first be obtained, which approval Landlord shall not unreasonably withhold; and provided, further, that it shall be reasonable for Landlord to withhold its consent if such actions could have a material adverse long-term or short-term effect on the Project, any portion thereof or any adjacent property. Tenant’s obligations under this Section shall not be affected, reduced or limited by any limitation on the amount or type of damages, compensation or benefits payable by or for Tenant under workers’ compensation acts, disability benefit acts, employee benefit acts or similar legislation. Tenant shall not be responsible for any and all loss, cost, damage, claim or expense (including [[Organization D:Organization]] fees) incurred in connection with or arising out of or relating in any way to the presence of Hazardous Materials or oil as of the date hereof in or on the Project.

Tenant's Obligations – Hazardous Materials. Except as expressly permitted herein, Tenant agrees not to cause or permit any Hazardous Materials to be brought upon, stored, used, handled, generated, released or disposed of on, in, under or about the Premises, or any other portion of the Property by Tenant, its agents, employees, subtenants, assignees, licensees, contractors or invitees (collectively, "Tenant's Parties"), without the prior written consent of Landlord, which consent Landlord may withhold in its sole and absolute discretion (except as provided below). Landlord acknowledges that it is not the intent of this Section 5.2 to prohibit Tenant from operating its business for the uses permitted hereunder. Tenant may operate its business according to the custom of Tenant's industry so long as the use or presence of Hazardous Materials is strictly and properly monitored in accordance with applicable Environmental Laws. As a material inducement to Landlord to allow Tenant to use Hazardous Materials in connection with its business, Tenant agrees to deliver to Landlord prior to the Lease Commencement Date a list identifying each type of Hazardous Material to be present at the Premises and setting forth any and all governmental approvals or permits required in connection with the presence of such Hazardous Material at the Premises (the "Hazardous Materials List"). Tenant shall deliver to Landlord an updated Hazardous Materials List on or prior to each annual anniversary of the Lease Commencement Date and shall also deliver an updated Hazardous Materials List before any new Hazardous Materials are brought to the Premises. Landlord shall not unreasonably withhold, condition or delay its consent to any changes to the Hazardous Materials List provided that the types and quantities of Hazardous Materials stated therein are of the type and amount customarily used by tenants of comparable first-class biotechnology projects, including other tenants of the Project. Tenant shall deliver to Landlord true and correct copies

Prohibition/Compliance/Indemnity. Tenant shall not cause or permit any Hazardous Materials (as hereinafter defined) to be brought upon, kept, used, stored, handled, treated, generated in or about, or released or disposed of from, the Premises or the Project in violation of applicable Environmental Requirements (as hereinafter defined) by Tenant or any Tenant Party. If Tenant breaches the obligation stated in the preceding sentence, or if the presence of Hazardous Materials in the Premises during the Term or any holding over results in contamination of the Premises, the Project or any adjacent property or if contamination of the Premises, the Project or any adjacent property by Hazardous Materials brought into, kept, used, stored, handled, treated, generated in or about, or released or disposed of from, the Premises by anyone other than Landlord and Landlord’s employees, agents and contractors otherwise occurs during the Term or any holding over, Tenant hereby indemnifies and shall defend and hold Landlord, its officers, directors, employees, agents and contractors harmless from any and all actions (including, without limitation, remedial or enforcement actions of any kind, administrative or judicial proceedings, and orders or judgments arising out of or resulting therefrom), costs, claims, damages (including, without limitation, punitive damages and damages based upon diminution in value of the Premises or the Project, or the loss of, or restriction on, use of the Premises or any portion of the Project), expenses (including, without limitation, attorneys’, consultants’ and experts’ fees, court costs and amounts paid in settlement of any claims or actions), fines, forfeitures or other civil, administrative or criminal penalties, injunctive or other relief (whether or not based upon personal injury, property damage, or contamination of, or adverse effects upon, the environment, water tables or natural resources), liabilities or losses which arise during or after the Term as a result of such contamination. This indemnification of Landlord by Tenant includes, without limitation, costs incurred in connection with any investigation of site conditions or any cleanup, treatment, remedial, removal, or restoration work required by any federal, state or local Governmental Authority because of Hazardous Materials present in the air, soil or ground water above, on, or under the Premises. Without limiting the foregoing, if the presence of any Hazardous Materials on the Premises, the Building, the Project or any adjacent property caused or permitted by Tenant or any Tenant Party results in any contamination of the Premises, the Building, the Project or any adjacent property, Tenant shall promptly take all actions at its sole expense and in accordance with applicable Environmental Requirements as are necessary to return the Premises, the Building, the Project or any adjacent property to the condition existing prior to the time of such contamination, provided that Landlord’s approval of such action shall first be obtained, which approval shall not unreasonably be withheld so long as such actions would not potentially have any material adverse long-term or short-term effect on the Premises the Building or the Project. Notwithstanding anything to the contrary contained in Section 28 or this Section 30, Tenant shall not be responsible for, and the indemnification and hold harmless obligation set forth in this paragraph shall not apply to # contamination in the Premises which Tenant can reasonably demonstrate existed in the Premises immediately prior to the Commencement Date, # the presence of any Hazardous Materials in the Premises which Tenant can reasonably demonstrate migrated from outside of the Premises into the Premises, # caused by Landlord or any Landlord’s employees, agents and contractors, # any contamination reflected in the Environmental Reports (as defined below), or # any Hazardous Materials that Tenant can reasonably demonstrate were not brought upon, kept, used, stored, handled, treated, generated in or released or disposed of from the Premises or the Project by Tenant or any Tenant Party; unless in any case, the presence of such Hazardous Materials # is the result of a breach by Tenant of any of its obligations under this Lease, or # was caused, contributed to or exacerbated by Tenant or any Tenant Party.

Tenant shall not cause or permit any Hazardous Materials (as defined below) to be brought upon, kept or used in or about the Premises in violation of Applicable Laws by Tenant or any of its employees, agents, contractors or invitees (collectively with Tenant, each a “Tenant Party”). If # Tenant breaches such obligation, # the presence of Hazardous Materials as a result of such a breach results in contamination of the Premises, any portion thereof, or any adjacent property, # contamination of the Premises otherwise occurs during the Term or any extension or renewal hereof or holding over hereunder or # contamination of the Premises occurs as a result of Hazardous Materials that are placed on or under or are released into the Premises by a Tenant Party, then Tenant shall Indemnify the Landlord Indemnitees from and against any and all Claims of any kind or nature, including # diminution in value of the Premises or any portion thereof, # damages for the loss or restriction on use of rentable or usable space or of any amenity of the Premises, # damages arising from any adverse impact on marketing of space in the Premises or any portion thereof and # sums paid in settlement of Claims that arise before, during or after the Term as a result of such breach or contamination. This Indemnification by Tenant includes costs incurred in connection with any investigation of site conditions or any clean-up, remedial, removal or restoration work required by any Governmental Authority because of Hazardous Materials present in the air, soil or groundwater above, on, under or about the Premises. Without limiting the foregoing, if the presence of any Hazardous Materials in, on, under or about the Premises, any portion thereof or any adjacent property caused or permitted by any Tenant Party results in any contamination of the Premises, any portion thereof or any adjacent property, then Tenant shall promptly take all actions at its sole cost and expense as are necessary to return the Premises, any portion thereof or any adjacent property to its respective condition existing prior to the time of such contamination; provided that Landlord’s written approval of such action shall first be obtained, which approval Landlord shall not unreasonably withhold; and provided, further, that it shall be reasonable for Landlord to withhold its consent if such actions could have a material adverse long-term or short-term effect on the Premises, any portion thereof or any adjacent property. Tenant’s obligations under this Section shall not be affected, reduced or limited by any limitation on the amount or type of damages, compensation or benefits payable by or for Tenant under workers’ compensation acts, disability benefit acts, employee benefit acts or similar legislation.

Prohibition/Compliance/Indemnity. Tenant shall not cause or permit any Hazardous Materials (as hereinafter defined) to be brought upon, kept, used, stored, handled, treated, generated in or about, or released or disposed of from, the Premises or the Project in violation of applicable Environmental Requirements (as hereinafter defined) by Tenant or any Tenant Party. If Tenant breaches the obligation stated in the preceding sentence, or if the presence of Hazardous Materials in the Premises during the Term or any holding over results in contamination of the Premises, the Project or any adjacent property or if contamination of the Premises, the Project or any adjacent property by Hazardous Materials brought into, kept, used, stored, handled, treated, generated in or about, or released or disposed of from, the Premises by anyone other than Landlord and Landlord’s employees, agents and contractors otherwise occurs during the Term or any holding over, Tenant hereby indemnifies and shall defend and hold Landlord, its officers, directors, employees, agents and contractors harmless from any and all actions (including, without limitation, remedial or enforcement actions of any kind, administrative or judicial proceedings, and orders or judgments arising out of or resulting therefrom), costs, claims, damages (including, without limitation, punitive damages and damages based upon diminution in value of the Premises or the Project, or the loss of, or restriction on, use of the Premises or any portion of the Project), expenses (including, without limitation, attorneys’, consultants’ and experts’ fees, court costs and amounts paid in settlement of any claims or actions), fines, forfeitures or other civil, administrative or criminal penalties, injunctive or other relief (whether or not based upon personal injury, property damage, or contamination of, or adverse effects upon, the environment, water tables or natural resources), liabilities or losses (collectively, “Environmental Claims”) which arise during or after the Term as a result of such contamination. This indemnification of Landlord by Tenant includes, without limitation, costs incurred in connection with any investigation of site conditions or any cleanup, treatment, remedial, removal, or restoration work required by any federal, state or local Governmental Authority because of Hazardous Materials present in the air, soil or ground water above, on, or under the Premises. Without limiting the foregoing, if the presence of any Hazardous Materials on the Premises, the Building, the Project or any adjacent property caused or permitted by Tenant or any Tenant Party results in any contamination of the Premises, the Building, the Project or any adjacent property, Tenant shall promptly take all actions at its sole expense and in accordance with applicable Environmental Requirements as are necessary to return the Premises, the Building, the Project or any adjacent property to the condition existing prior to the time of such contamination, provided that Landlord’s approval of such action shall first be obtained, which approval shall not unreasonably be withheld so long as such actions would not potentially have any material adverse long-term or short-term effect on the Premises or the Project. Notwithstanding anything to the contrary contained in [Section 28] or this [Section 30], Tenant shall not be responsible for, and the indemnification and hold harmless obligation set forth in this paragraph shall not apply to # contamination in the Premises which Tenant can reasonably prove existed in the Premises immediately prior to the Commencement Date, or # the presence of any Hazardous Materials in the Premises which Tenant can reasonably prove migrated from outside of the Premises into the Premises, unless in either case, the presence of such Hazardous Materials # is the result of a breach by Tenant of any of its obligations under this Lease, or # was caused, contributed to or exacerbated by Tenant or any Tenant Party.

Prohibition/Compliance/Indemnity. Tenant shall not cause or permit any Hazardous Materials (as hereinafter defined) to be brought upon, kept, used, stored, handled, treated, generated in or about, or released or disposed of from, the Premises or the Project in violation of applicable Environmental Requirements (as hereinafter defined) by Tenant or any Tenant Party. If Tenant breaches the obligation stated in the preceding sentence, or if the presence of Hazardous Materials in the Premises during the Term or any holding over results in contamination of the Premises, the Project or any adjacent property or if contamination of the Premises, the Project or any adjacent property by Hazardous Materials brought into, kept, used, stored, handled, treated, generated in or about, or released or disposed of from, the Premises by anyone other than Landlord and Landlord’s employees, agents and contractors otherwise occurs during the Term or any holding over, Tenant hereby indemnifies and shall defend and hold Landlord, its officers, directors, employees, agents and contractors harmless from any and all actions (including, without limitation, remedial or enforcement actions of any kind, administrative or judicial proceedings, and orders or judgments arising out of or resulting therefrom), costs, claims, damages (including, without limitation, punitive damages and damages based upon diminution in value of the Premises or the Project, or the loss of, or restriction on, use of the Premises or any portion of the Project), expenses (including, without limitation, reasonable attorneys’, consultants’ and experts’ fees, court costs and amounts paid in settlement of any claims or actions), fines, forfeitures or other civil, administrative or criminal penalties, injunctive or other relief (whether or not based upon personal injury, property damage, or contamination of, or adverse effects upon, the environment, water tables or natural resources), liabilities or losses (collectively, “Environmental Claims”) which arise during or after the Term as a result of such contamination. This indemnification of Landlord by Tenant includes, without limitation, costs incurred in connection with any investigation of site conditions or any cleanup, treatment, remedial, removal, or restoration work required by any federal, state or local Governmental Authority because of Hazardous Materials present in the air, soil or ground water above, on, or under the Premises. Without limiting the foregoing, if the presence of any Hazardous Materials on the Premises, the Building, the Project or any adjacent property caused or permitted by Tenant or any Tenant Party results in any contamination of the Premises, the Building, the Project or any adjacent property, Tenant shall promptly take all actions at its sole expense and in accordance with applicable Environmental Requirements as are necessary to return the Premises, the Building, the Project or any adjacent property to the condition existing prior to the time of such contamination, provided that Landlord’s approval of such action shall first be obtained, which approval shall not unreasonably be withheld, conditioned or delayed so long as such actions would not potentially have any material adverse long-term or short-term effect on the Premises, the Building or the Project. Notwithstanding anything to the contrary contained in Section 28 or this Section 30, Tenant shall not be responsible for, and the indemnification and hold harmless obligation set forth in this paragraph shall not apply to # contamination in the Premises which Tenant can prove existed in the Premises immediately prior to the Commencement Date, # the presence of any Hazardous Materials in the Premises which Tenant can prove migrated from outside of the Premises into the Premises, or # contamination caused by Landlord or any Landlord’s employees, agents and contractors, unless in either case, the presence of such Hazardous Materials # is the result of a breach by Tenant of any of its obligations under this Lease, or # was caused, contributed to or exacerbated by Tenant or any Tenant Party.

Prohibition/Compliance/Indemnity. Tenant shall not cause or permit any Hazardous Materials (as hereinafter defined) to be brought upon, kept, used, stored, handled, treated, generated in or about, or released or disposed of from, the Premises or the Project in violation of applicable Environmental Requirements (as hereinafter defined) by Tenant or any Tenant Party. If Tenant breaches the obligation stated in the preceding sentence, or if the presence of Hazardous Materials in the Premises during the Term or any holding over results in contamination of the Premises, the Project and/or any adjacent property or if contamination of the Premises, the Project and/or any adjacent property by Hazardous Materials brought into, kept, used, stored, handled, treated, generated in or about, or released or disposed of from, the Premises during the Term (or any holding over) by anyone other than Landlord or a Landlord Indemnified Party, then, except for Excluded Matters (as defined below), Tenant hereby indemnifies and shall defend and hold Landlord, its officers, directors, employees, managers, agents, sub-agents, and contractors harmless from any and all actions (including, without limitation, remedial or enforcement actions of any kind, administrative or judicial proceedings, and orders or judgments arising out of or resulting therefrom), costs, claims, damages (including, without limitation, consequential damages, punitive damages and damages based upon diminution in value of the Premises or the Project (in the case of diminution in value, then only to the extent based upon, related to, or arising out of the acts or negligent omissions of Tenant or any Tenant Party), or the loss of, or restriction on, use of the Premises or any portion of the Project), expenses (including, without limitation, reasonable attorneys’, consultants’ and experts’ fees, court costs and amounts paid in settlement of any claims or actions), fines, forfeitures or other civil, administrative or criminal penalties, injunctive or other relief (whether or not based upon personal injury, property damage, or contamination of, or adverse effects upon, the environment, water tables or natural resources), liabilities or losses (collectively, “Environmental Claims”) which arise during or after the Term as a result of such contamination. This indemnification of Landlord by Tenant includes, without limitation, costs incurred in connection with any investigation of site conditions or any cleanup, treatment, remedial, removal, or restoration work required by any federal, state or local Governmental Authority because of Hazardous Materials present in the air, soil or ground water above, on, or under the Premises, the Building, the Project or any other adjacent property. Without limiting the foregoing, if the presence of any Hazardous Materials in, on or under the Premises, the Building, the Project or any adjacent property caused by or permitted by Tenant or any Tenant Party results in any contamination, Tenant shall promptly notify Landlord upon discovering the same and shall take all actions at its sole expense and in accordance with applicable Environmental Requirements as are necessary to return the Premises, the Building, the Project and/or any adjacent property to the condition existing prior to the time of such contamination, provided that Landlord’s approval of such action shall first be obtained, which approval shall not unreasonably be withheld so long as such actions would not potentially have any material adverse long-term or short-term effect on the Premises, the Building or the Project. Notwithstanding anything to the contrary contained in this Section 30(a) or otherwise, Tenant shall not be responsible for the clean-up or remediation of, and the indemnification and hold harmless obligation set forth in this paragraph shall not apply to (“Excluded

Hazardous Materials. The term "Hazardous Materials" means any substance, material, or waste which is now or hereafter classified or considered to be hazardous, toxic, or dangerous under any Law relating to pollution or the protection or regulation of human health, natural resources or the environment, or poses or threatens to pose a hazard to the health or safety of persons on the Premises or in the Project. Subject to Section 9(c), Tenant shall not use, generate, store, or dispose of, or permit the use, generation, storage or disposal of Hazardous Materials on or about the Premises or the Project except in a manner and quantity necessary for the ordinary performance of Tenant's business, and then in compliance with all Laws. If Tenant breaches its obligations under this Section 25(w), Landlord may immediately take any and all action reasonably appropriate to remedy the same, including taking all appropriate action to clean up or remediate any contamination resulting from Tenant's use, generation, storage or disposal of Hazardous Materials. Tenant shall not undertake, nor shall Tenant permit any Tenant Party to undertake, any invasive investigation, drilling or sampling of the soil or groundwater at the Premises, the Building, the Project or the Complex without the prior written consent of Landlord, which consent shall be in Landlord's sole discretion. TENANT SHALL DEFEND, INDEMNIFY, AND HOLD HARMLESS LANDLORD AND ITS REPRESENTATIVES AND AGENTS FROM AND AGAINST ANY AND ALL CLAIMS, DEMANDS, LIABILITIES, CAUSES OF ACTION, SUITS, JUDGMENTS, DAMAGES AND EXPENSES (INCLUDING REASONABLE ATTORNEYS' FEES AND COST OF CLEANUP AND REMEDIATION) ARISING FROM TENANT'S FAILURE TO COMPLY WITH THE PROVISIONS OF THIS SECTION 25(W). THIS INDEMNITY PROVISION SHALL SURVIVE TERMINATION OR EXPIRATION OF THIS LEASE.

Prohibition/Compliance/Indemnity. Tenant shall not cause or permit any Hazardous Materials (as hereinafter defined) to be brought upon, kept, used, stored, handled, treated, generated in or about, or released or disposed of from, the Premises or the Project in violation of applicable Environmental Requirements (as hereinafter defined) by Tenant or any Tenant Party. If Tenant breaches the obligation stated in the preceding sentence, or if the presence of Hazardous Materials in the Premises during the Term or any holding over results in contamination of the Premises, the Project or any adjacent property or if contamination of the Premises, the Project or any adjacent property by Hazardous Materials brought into, kept, used, stored, handled, treated, generated in or about, or released or disposed of from, the Premises by anyone other than Landlord and Landlord’s employees, agents and contractors otherwise occurs during the Term or any holding over, Tenant hereby indemnifies and shall defend and hold Landlord, its officers, directors, employees, agents and contractors harmless from any and all actions (including, without limitation, remedial or enforcement actions of any kind, administrative or judicial proceedings, and orders or judgments arising out of or resulting therefrom), costs, claims, damages (including, without limitation, punitive damages and damages based upon diminution in value of the Premises or the Project, or the loss of, or restriction on, use of the Premises or any portion of the Project), expenses (including, without limitation, attorneys’, consultants’ and experts’ fees, court costs and amounts paid in settlement of any claims or actions), fines, forfeitures or other civil, administrative or criminal penalties, injunctive or other relief (whether or not based upon personal injury, property damage, or contamination of, or adverse effects upon, the environment, water tables or natural resources), liabilities or losses (collectively, “Environmental Claims”) which arise during or after the Term as a result of such contamination. This indemnification of Landlord by Tenant includes, without limitation, costs incurred in connection with any investigation of site conditions or any cleanup, treatment, remedial, removal, or restoration work required by any federal, state or local Governmental Authority because of Hazardous Materials present in the air, soil or ground water above, on, or under the Premises. Without limiting the foregoing, if the presence of any Hazardous Materials on the Premises, the Building, the Project or any adjacent property caused or permitted by Tenant or any Tenant Party results in any contamination of the Premises, the Building, the Project or any adjacent property, Tenant shall promptly take all actions at its sole expense and in accordance with applicable Environmental Requirements as are necessary to return the Premises, the Building, the Project or any adjacent property to the condition existing prior to the time of such contamination, provided that Landlord’s approval of such action shall first be obtained, which approval shall not unreasonably be withheld so long as such actions would not potentially have any material adverse long-term or short-term effect on the Premises the Building or the Project. Notwithstanding anything to the contrary contained in Section 28 or this Section 30, Tenant shall not be responsible for, and the indemnification and hold harmless obligation set forth in this paragraph shall not apply to # contamination in the Premises which Tenant can prove existed in the Premises immediately prior to the Commencement Date, or # the presence of any Hazardous Materials in the Premises which Tenant can prove migrated from outside of the Premises into the Premises, unless in either case, the presence of such Hazardous Materials # is the result of a breach by Tenant of any of its obligations under this Lease, or # was caused, contributed to or exacerbated by Tenant or any Tenant Party.