BXP Earns 2023 ENERGY STAR® Sustained Excellence Award

BXP (NYSE: BXP), the largest publicly traded developer, owner, and manager of premier workplaces in the United States, today announced that it has received the 2023 ENERGY STAR Partner of the Year?Sustained Excellence Award from the U.S. Environmental Protection Agency and the U.S. Department of Energy for the third consecutive year.

The Sustained Excellence Award is the highest honor bestowed by the ENERGY STAR program. According to ENERGY STAR, "the program honors a select group of businesses and organizations that have made outstanding contributions in the transition to a clean energy economy. ENERGY STAR award winners lead their industries in the production, sale, and adoption of energy-efficient products, homes, buildings, services, and strategies. These efforts are essential to fighting the climate crisis, protecting public health, and creating a clean energy future for everyone."

"As we accelerate historic efforts to address climate change, public-private partnerships will be essential to realizing the scale of our ambition," said EPA Administrator Michael S. Regan. "I applaud this year's ENERGY STAR award winners for working with EPA to deliver a clean energy future that saves American consumers and businesses money and creates jobs."

"We're proud of our continued recognition from and partnership with the EPA and ENERGY STAR," said Doug Linde, President, BXP. "Optimizing energy performance across our portfolio is a key component of BXP's sustainability strategy and the Sustained Excellence Award highlights BXP's ongoing commitment to reducing our environmental impact."

About BXP ESG

BXP's commitment to ESG leadership has been recognized by numerous industry groups and rankings, including BXP's inclusion as #3 on Barron's 10 Most Sustainable U.S. REITs list. BXP was named to Newsweek's America's Most Responsible Companies 2023 list, ranking first in its industry and 29^th overall out of the 500 companies included on the list. BXP was recently recognized for Best ESG Program by Commercial Property Executive and was again named a Best in Building Health winner by the Center for Active Design. BXP was recognized as an inaugural Platinum level Green Lease Leader by the Institute for Market Transformation and the U.S. Department of Energy and was the recipient of Nareit's prestigious Leader in the Light Award.

About BXP

BXP (NYSE: BXP) is the largest publicly traded developer, owner, and manager of premier workplaces in the United States, concentrated in six dynamic gateway markets - Boston, Los Angeles, New York, San Francisco, Seattle, and Washington, DC. BXP has delivered places that power progress for our clients and communities for more than 50 years. BXP is a fully integrated real estate company, organized as a real estate investment trust (REIT). As of December 31, 2022, including properties owned by unconsolidated joint ventures, BXP's portfolio totaled 54.1 million square feet and 194 properties, including 13 properties under construction/redevelopment. For more information, please visit our website at www.bxp.com or follow us on LinkedIn or Instagram.

About ENERGY STAR

ENERGY STAR^® is the government-backed symbol for energy efficiency, providing simple, credible, and unbiased information that consumers and businesses rely on to make well-informed decisions. Thousands of industrial, commercial, utility, state, and local organizations rely on their partnership with the U.S. Environmental Protection Agency (EPA) to deliver cost-saving energy efficiency solutions. Since 1992, ENERGY STAR and its partners helped American families and businesses avoid more than $500 billion in energy costs and achieve more than 4 billion metric tons of greenhouse gas reductions. More background information about ENERGY STAR's impacts can be found at www.energystar.gov/impacts.