AMERICAN INTEGRATED SERVICES, INC.

THIS ENDORSEMENT CHANGES THE POLICY. PLEASE READ IT CAREFULLY. ADDITIONAL INSURED --OWNERS, LESSEES OR CONTRACTORS AUTOMATIC STATUS -COMPLETED OPERATIONS -COVERAGE A, D.1 & D.4 Policy Expiration Date Endorsement Effective Policy Number Policy Effective Date ECP2041242-12 9/1/2025 9/1/2026 This endorsement modifies insurance provided under the following: ENVIRONMENTAL COMBINED POLICY I.SECTION Ill -WHO IS AN INSURED is amended to include as an additional insured: Date 9/1/2025 1.Any person or organization for whom you have performed operations when you and such person or organization have agreed in writing in a contract or agreement, in effect during this policy period, that such person or organization be added as an additional insured on this policy; and 2.Any other person or organization you are explicitly required to add as an additional insured under the contract or agreement described in Paragraph 1. above. Such contract or agreement must be executed and in effect prior to the performance of your work included in the products-completed operations hazard which is the subject of such contract or agreement. Such person(s) or organization(s) is an additional insured only with respect to liability for bodily injury or property damage under SECTION I -COVERAGE A -BODILY INJURY AND PROPERTY DAMAGE LIABILITY, Coverage D.1 -Contractors Pollution Legal Liability and Coverage D.4 -Microbial Substance Contractors Pollution Liability, directly caused by your work performed for the additional insured described in Paragraph 1. or 2. above, and included in the products-completed operations hazard. However, the insurance afforded to such additional insured described above: a.Only applies to the extent permitted by law; and b.Will not be broader than that which you are required by the contract or agreement to provide for such additional insured; and c.Will not extend beyond that which is provided to you in this policy. II.With respect to the insurance afforded to these additional insureds, the following additional exclusions apply: This insurance does not apply to: a.Bodily injury or property damage arising out of the rendering of, or the failure to render, any professional architectural, engineering or surveying services, including: (1)The preparing, approving, or failing to prepare or approve, maps, shop drawings, opinions, reports, surveys, field orders, change orders or drawings and specifications; or (2)Supervisory, inspection, architectural or engineering activities. This exclusion applies even if the claims against any insured allege negligence or other wrongdoing in the supervision, hiring, employment, training or monitoring of others by that insured, if the occurrence which caused the bodily injury or property damage involved the rendering of, or the failure to render any professional architectural, engineering or surveying services. Ill. With respect to the insurance afforded to these additional insureds, the following is added to SECTION V -LIMITS OF INSURANCE: The most we will pay on behalf of the additional insured is the amount of insurance: 1.Required by the contract or agreement described in Paragraph 1.1.; or 2.Available under the applicable limits of insurance; whichever is less. This endorsement shall not increase the applicable limits of insurance. IV.With respect to the insurance afforded to these additional insureds, the following is added to SECTION VI - Includes copyrighted material of Insurance Services Office, Inc., used with its permission. Page 1 of 2 ECP 1248 01 21 Docusign Envelope ID: 454B37BC-E736-8121-8335-9195AC5F2386