Empire State Building achieves 49% energy reduction as portfolio-wide initiatives advance efficiency, healthy buildings, and data-driven operations

NEW YORK--(BUSINESS WIRE)-- Empire State Realty Trust, Inc. (NYSE: ESRT) published its annual Sustainability Report that features major awards and achievements, data-based goals, and transparent metrics for sustainability, energy efficiency, and corporate citizenship throughout its portfolio.

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Empire State Realty Trust Publishes 2025 Sustainability Report With Major Achievements, Targets, and Metrics

“The annual Sustainability Report reflects our continued leadership and commitment to energy and sustainability performance,” said Anthony E. Malkin, chairman and CEO at Empire State Realty Trust. “We are pleased to report another year of excellence in sustainability and healthy buildings across our portfolio and to continue to drive value for our tenants and investors.”

ESRT’s major achievements in 2025 included:

• Ranked first in management of all companies in the Americas by GRESB and achieved 5-Star rating for sixth consecutive year
• Reduced energy use at the Empire State Building by 49% since 2007, and across our entire office portfolio by 39% since 2009
• 100% of portfolio WELL Health-Safety Rated(1) and received third consecutive WELL Health-Safety Leadership Award and Healthy Building Catalyst Award
• Empire State Building became the first LEEDv5 Platinum building in New York State
• Implemented comprehensive portfolio-wide energy efficiency improvements, highlighted by heat pump installations and advanced Building Management System upgrades
• Fitwel Champion and 82% of portfolio certified(1)
• 100% of NYC commercial office portfolio ENERGY STAR or NextGen certified(1)

Corporate citizenship responsibility goals, metrics, and achievements listed in the report includes ESRT’s recently renewed recognition as a Certified™ Great Place to Work®.

Read the full Sustainability Report and learn more about ESRT’s sustainability work online.

About Empire State Realty Trust

Empire State Realty Trust, Inc. (NYSE: ESRT) is a NYC-focused REIT that owns and operates a portfolio of well-leased, top of tier, modernized, amenitized, and well-located office, retail, and multifamily assets. ESRT’s flagship Empire State Building, the “World's Most Famous Building,” features its iconic Observatory, ranked the #1 Top Attraction in New York City for the fourth consecutive year in Tripadvisor’s 2025 Travelers’ Choice Awards: Best of the Best Things to Do. The Company is a recognized leader in energy efficiency and indoor environmental quality. As of December 31, 2025, ESRT’s portfolio is comprised of approximately 7.9 million rentable square feet of office space, 0.8 million rentable square feet of retail space and 743 residential units. More information about Empire State Realty Trust can be found at esrtreit.com and by following ESRT on Facebook, Instagram, TikTok, X and LinkedIn.

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MEDIA:

Empire State Realty Trust

Jamie Heitner

212-400-3339

[email protected]

Source: Empire State Realty Trust, Inc.