Service Level Agreement (SLA) Between China Capability Centre and Mainland China, Hong Kong and Macau Entities Effective Date: The first of October 2025. Version: Draft 2 Introduction This Service Level Agreement (“SLA”) is entered into between the China Capability Centre (“CCC”) and the Mainland China, Hong Kong, and Macau (“MCHKM”) Entities to establish the scope, delivery standards, and responsibilities pertaining to the provision of centralized business support services. This SLA is a subsidiary agreement to the Master Professional Services Agreement (“PSA”) dated July 17, 2023, among API Group, Inc. and its Affiliates, which governs all recharges between group entities. This SLA incorporates by reference all terms of the PSA and constitutes a separate contract between the Receiving Party and the Providing Party regarding the Services outlined herein. Accordingly, this SLA serves as a foundational framework for inter-entity recharges within the MCHKM region. The Service Recipient and the Service Provider are referred to as “Party” individually and collectively as the “Parties.” A) All defined terms in this SLA have the same meaning as in the PSA unless stated otherwise. B) References to Services below pertain exclusively to those specified herein, not under other SOWs between the Parties. C) Terms in the PSA shall prevail over conflicting terms in this SLA, unless explicitly agreed otherwise. Scope of Services The CCC undertakes to provide the following services to the MCHKM Entities: General administrative and operational support services Finance Function: Responsible for managing accounts payable and receivable, staff reimbursement, fixed asset management, accounts reconciliation, and compliance with all relevant statutory requirements. Operations Function: Deliver efficient and standardized execution of core business processes, ensuring timely and high-quality service delivery. Continuously optimize operational workflows to improve accuracy and cost-effectiveness, while maintaining regulatory compliance and seamless service continuity. Technical support services Technical Support includes all specialized assistance required to maintain and operate the Service, which directly impacts revenue. Support will be provided by qualified personnel such as engineers, draftspersons, and product development specialists. This support covers resolving technical issues, reviewing and updating designs or specifications, and ensuring the Service performs as intended. Product sourcing services Source Function: Centralize sourcing and supplier management to maximize cost savings through strategic purchasing and volume leverage. Provide transparent procurement support, contract administration, and supplier relationship oversight to secure quality goods and services aligned with organizational objectives. Manage the end-to-end purchase order process, including requisition validation, PO creation, approval routing, order tracking, and timely coordination with suppliers to ensure accurate fulfillment of orders. Solution development services Solution Development Hub: Design, develop, and deliver innovative digital solutions tailored to meet the unique needs of clients. Maintain high standards in custom software development and code quality, ensuring reliability and security. Provide ongoing training to sales and operations teams, enabling continuous improvement and expert service delivery. Support clients with effective onboarding and technical assistance to foster long-term partnerships and maximize solution value. Effective Date Unless terminated earlier in accordance with the PSA, the SLA Term will begin on the SLA Effective date shall continue in full force and effect for successive one-year periods unless and to the extent terminated in accordance with clause 13 of PSA (the "Term"). Incorporation of Master Agreement This SLA is incorporated as a subsidiary agreement to the PSA, which governs all recharges among group entities that have acceded to it. As such, its terms and principles regarding service charges are aligned with, and subject to, the overarching contractual framework established by the PSA. Service Fees The total fees payable by the Service Recipient to the Service Provider for the Services under this SLA shall be determined as follows: General administrative and operational support services For Chubb HK Limited, and Chubb Macau Limited G&A cost (incl. existing Shanghai G&A) Operational Support Cost Fully Burdened Cost: The sum of the G&A and Operational Support Costs. Plus Mark-Up: 10% of the Fully Burdened Cost. Plus VAT: 6% (unrecoverable) on the Mark-Up Cost. For Beijing Chubb Fire Security Systems Co. Limited, and Shanghai Chubb Intelligent Building Systems Co Ltd Plus Mark-Up: 5% of the Fully Burdened Cost. Plus VAT: 6% (recoverable) on the Mark-Up Cost. Technical support services For Chubb HK Limited, and Chubb Macau Limited Technical Support Cost Fully Burdened Cost: The sum of the Technical Support Costs. Plus Mark-Up: 15% of the Fully Burdened Cost. Plus VAT: 6% (unrecoverable) on the Mark-Up Cost. For Beijing Chubb Fire Security Systems Co. Limited, and Shanghai Chubb Intelligent Building Systems Co Ltd Plus Mark-Up: 5% of the Fully Burdened Cost. Plus VAT: 6% (recoverable) on the Mark-Up Cost. Product Sourcing from Mainland China For Chubb HK Limited, and Chubb Macau Limited Cost Mark-Up: 12.5% plus VAT (exempt if exported), and applicable customs duties. For Beijing Chubb Fire Security Systems Co. Limited and Shanghai Chubb Intelligent Building Systems Co. Ltd.: Cost Mark-Up: 12.5% plus VAT (recoverable). Solution Development service from Mainland China For Chubb HK Limited, and Chubb Macau Limited Cost Mark-Up: 12.5% plus VAT (exempt if exported), and applicable customs duties. For Beijing Chubb Fire Security Systems Co. Limited and Shanghai Chubb Intelligent Building Systems Co. Ltd.: Cost Mark-Up: 12.5% plus VAT (recoverable). Service Delivery Standards The CCC shall provide the agreed services during official business hours, [e.g., Monday to Friday, 09:00 to 18:00]. Service requests will be acknowledged within 8 to 16 business hours and resolved within 5 business days, commensurate to their complexity. Quarterly performance and feedback reviews will be held with the MCHKM Entities to ensure quality and continuous improvement. Responsibilities China Capability Centre: The CCC shall deliver all agreed services in accordance with the requisite quality standards and timelines. The CCC will communicate any service issues proactively and strive for ongoing process and service enhancement. MCHKM Entities: The MCHKM Entities are responsible for providing accurate and timely information necessary for service fulfillment. Each entity will designate official contacts for coordination and participate in periodic feedback and review sessions. Escalation and Issue Resolution Any service-related issues that remain unresolved shall be escalated through the following process: CCC Team Lead CCC Manager MCHKM Entity Management All parties will seek to resolve issues promptly and cooperatively. Termination This SLA may be terminated in accordance with the provisions of the PSA. Acceptance and Signatures This Service Level Agreement is agreed to by the authorized representatives of both parties: For China Capability Centre:For MCHKM Entities: Name:Name: Title:Title: Date:Date: