APPENDICES
INTRODUCTION
SUSTAINABILITY OBJECTIVES AND STRATEGY
ENVIRONMENTAL
CORPORATE CITIZENSHIP
GOVERNANCE AND TRANSPARENT REPORTING
WATER MANAGEMENT
Code
Accounting Metric
2024 Disclosure
(1) Total water consumption data coverage from the ESRT operational portfolio, as a percentage of total/gross floor area, was equal to 100% in 2024. (2) 0%
IF-RE-140a.1
Water withdrawal data coverage as a percentage of (1) total floor area and (2) floor area in regions with High or Extremely High Baseline Water Stress, by property subsector
(1) ESRT’s total 2024 water consumed by portfolio area with data coverage was equal to 462,687 m 3 (2) 0.0%
IF-RE-140a.2 (1)Total water withdrawn by portfolio area with data coverage and (2) percentage in regions with High or Extremely High Baseline Water Stress, by property subsector
Like-for-like change in water consumption for the ESRT NYC commercial office was a 1.02% increase in 2023-2024.
IF-RE-140a.3 Like-for-like percentage change in water
withdrawn for portfolio area with data coverage, by property subsector
Empire State Realty Trust strives to reduce water usage and promote conservation efforts by implementing water conservation initiatives including installing ultra-low flow plumbing fixtures and utilizing efficient cleaning and landscaping practices. This policy applies to all existing assets. ESRT’s water management policy is broken down by asset-level baseline and performance requirements. The baseline requirements entail the identification of current sources and end uses of potable water at the asset, obtaining billing information—such as account and water meter numbers, and metering locations—tracking water usage through ENERGY STAR Portfolio Manager (ESPM) profiles, and using a water intelligence tool, Wint, to identify potential leaks, monitor water use, analyze water use trends, and identify abnormal consumption trend in real time. 100% of our commercial and multifamily portfolio has implemented this smart technology. ESRT’s performance requirements seek to maintain these baseline requirements and build upon them by setting and tracking performance goals, ensuring the ESPM profiles are being updated and water conservation best practices are in place, fixing identified leaks, installing high efficiency low-flow fixtures or retrofit low-flow aerators/fixtures where appropriate and feasible, and engaging with tenants.
IF-RE-140a.4 Description of water management risks and discussion of strategies and practices to mitigate those risks
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2024 SUSTAINABILITY REPORT
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