2023 Sustainability Report: Empire State Realty Trust

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ENVIRONMENTAL

INTRODUCTION

SUSTAINABILITY OBJECTIVES AND STRATEGY

SOCIAL

POLICIES AND TRANSPARENT REPORTING

APPENDICES

Tenant Engagement

Our tenants are critical to the success of our sustainability programs, policy implementation, asset performance, and strategies throughout our portfolio. Tenants’ energy and water consumption, waste production, and related behaviors have a significant impact on the buildings’ overall performance and our sustainability goals. We proactively engage with our tenants to align with our sustainability objectives and provide them with assistance to measure, report, and achieve their sustainability goals. We assist tenants in their sustainability journey through collaboration and exchange of environmental data, actionable recommendations for reductions, IEQ support, waste management, and ROI-based design and construction energy efficiency review. Our tenants are carbon neutral, have proven science-based Net Zero plans, leading healthy spaces, and all environmental disclosure data is provided as a service and benefit of their choice to be an ESRT tenant. Program Overview

Our partnership with our tenants goes beyond traditional engagement. We work with tenants at every stage of the relationship to integrate priorities and customize initiatives that support their sustainability goals and that drive building performance. Our tenant engagement begins with the inclusion of a suite of sustainability provisions in all of our leases. Our lease requirements promote collaboration to achieve efficiency and include performance-based criteria for emissions, energy, water, health, IEQ, responsible materials specifications, and waste diversion. We share emissions, energy, water, waste, and IEQ data with our tenants and offer hands-on sustainability expertise. Green Leasing Our leasing team integrates best practices, efficiency, and IEQ measures with modern design elements through communication of the unique sustainability features included in our state-of-the-art prebuilt spaces. All ESRT leases include green lease clauses, which contribute to our repeated Green Lease Leader Platinum recognition. Our green leases include criteria for transparent energy, water, waste, and emissions data to be tracked and reported; broker training; submetering; rigorous tenant fit-out requirements; and ongoing performance. Design and Construction We review all architectural and mechanical electrical plumbing (MEP) designs with tenants to ensure compliance with our lease requirements and alignment with our High Performance Design and Construction Guidelines. The guidelines include energy efficiency, which through our comprehensive modeling and measurement and verification work demonstrated returns of 20%–57% modeled energy savings with a payback period of two to five years. Our evaluation and assessment of the strategies we implement at each asset result in increased tenant satisfaction, comfort, and well-being, a strong ROI for our investors and tenants, and meaningful, productive, rewarding work for our tenants and occupants.

Achieved Green Lease Leader Platinum recognition in 2023, the highest recognition possible, for our dedication to sustainability for the whole building with a focus on performance of tenant space and execution of green leases across 100% of the commercial portfolio. ESRT was highlighted in a Green Lease Leaders case study on how green leasing supports building performance standards and compliance.

EMPIRE STATE REALTY TRUST: 2023 SUSTAINABILITY REPORT

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