Boston Properties Investor Presentation — March 2021

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Supplemental Operating and Financial Data

for the Quarter Ended March 31, 2021THE COMPANY

Boston Properties, Inc. (NYSE: BXP) (“Boston Properties,” “BXP” or the “Company”) is the largest publicly-traded developer, owner and manager of Class A

office properties in the United States, concentrated in five markets - Boston, Los Angeles, New York, San Francisco and Washington, DC. The Company is a

fully integrated real estate company, organized as a real estate investment trust (REIT), that develops, manages, operates, acquires and owns a diverse

portfolio of primarily Class A office space. Including properties owned by joint ventures, the Company’s complete portfolio totals 51.6 million square feet and

196 properties, including nine properties under construction/redevelopment, and it consists of 177 office properties, 12 retail properties, six residential

properties and one hotel. Boston Properties is well-known for its in-house building management expertise and responsiveness to tenants’ needs. The

Company holds a superior track record of developing premium Central Business District (CBD) office buildings, successful mixed-use complexes, suburban

office centers and build-to-suit projects for a diverse array of creditworthy tenants. Boston Properties actively works to promote its growth and operations in a

sustainable and responsible manner. The Company has earned nine consecutive Global Real Estate Sustainability Benchmark (GRESB) Green Stars and

the highest GRESB 5-star Rating. Boston Properties, an S&P 500 Company, was founded in 1970 by Mortimer B. Zuckerman and Edward H. Linde and

became a public company in 1997.

FORWARD-LOOKING STATEMENTS

This Supplemental package contains “forward-looking statements” as defined in the Private Securities Litigation Reform Act of 1995. You can identify these

statements by our use of the words “anticipates,” “believes,” “budgeted,” “could,” “estimates,” “expects,” “guidance,” “intends,” “may,” “might,” “plans,”

“projects,” “should,” “will” and similar expressions that do not relate to historical matters. These statements are based on our current plans, expectations,

projections and assumptions about future events. You should exercise caution in interpreting and relying on forward-looking statements because they involve

known and unknown risks, uncertainties and other factors which are, in some cases, beyond Boston Properties’ control. If our underlying assumptions prove

inaccurate, or known or unknown risks or uncertainties materialize, actual results could differ materially from those expressed or implied by the forward-

looking statement. These factors include, without limitation, uncertainties and risks related to the impact of the COVID-19 global pandemic, including the