UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934 (Amendment No.     )

Filed by Registrant ☒

Filed by a Party other than the Registrant ☐

Check the appropriate box:

☐ Preliminary Proxy Statement

☐ Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))

☐ Definitive Proxy Statement

☒ Definitive Additional Materials

☐ Soliciting Material Pursuant to §240.14a-12

BOSTON PROPERTIES, INC.

(Name of Registrant as Specified in Its Charter)

(Name of Person(s) Filing Proxy Statement, if other than the Registrant)

Payment of Filing Fee (Check the appropriate box):

☒ No fee required.

☐ Fee computed on table below per Exchange Act Rules 14a-6(i)(1) and 0-11.

1) Title of each class of securities to which transaction applies:

2) Aggregate number of securities to which transaction applies:

3) Per unit price or other underlying value of transaction computed pursuant to Exchange Act Rule 0-11 (set forth the amount on which the filing fee is calculated and state how it was determined):

4) Proposed maximum aggregate value of transaction:

5) Total fee paid:

☐ Fee paid previously with preliminary materials.

☐ Check box if any part of the fee is offset as provided by Exchange Act Rule 0-11(a)(2) and identify the filing for which the offsetting fee was paid previously. Identify the previous filing by registration statement number, or the Form or Schedule and the date of its filing.

1) Amount Previously Paid:

2) Form, Schedule or Registration Statement No.:

3) Filing Party:

4) Date Filed:

BOSTON PROPERTIES, INC.

800 BOYLSTON STREET, SUITE 1900*** Exercise Your Right to Vote ***

BOSTON, MA 02199Important Notice Regarding the Availability of Proxy Materials for the Stockholder Meeting to Be Held on May 20, 2020.

ATTN: INVESTOR RELATIONS

BOSTON PROPERTIES, INC.    Meeting Information*

Meeting Type: Annual Meeting

For holders as of: March 25, 2020

Date: May 20, 2020 Time: 9:00 AM EDT

Location: Metropolitan Square

655 15th St, NW

2nd Floor

Washington, D.C. 20005

*Depending on the status of health concerns about the coronavirus, or COVID-19, we may    decide to hold theAnnual Meeting by live audio webcast instead of holding theAnnual Meeting    at Metropolitan Square. The Company will publicly announce a decision to hold the Annual    Meeting, at the same date and time, solely by audio webcast in a press release available at    http://investors.bxp.com/press-releases as soon as practicable before the Annual    Meeting. In the event the Annual Meeting is not held at Metropolitan Square, you or    your proxyholder may participate, vote and examine our stockholder list by visiting    www.virtualshareholdermeeting.com/BXP2020 and using your 16-digit control number.    You are receiving this communication because you hold shares in the company named    above.

This is not a ballot. You cannot use this notice to vote these shares. This communication    presents only an overview of the more complete proxy materials that are available to    you on the Internet. You may view the proxy materials online at www.proxyvote.com or    easily request a paper copy (see reverse side).    We encourage you to access and review all of the important information contained in    the proxy materials before voting.

P38343     proxy See the materials reverse and side voting of this instructions. notice to obtain

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Before You Vote

How to Access the Proxy Materials

Proxy Materials Available to VIEW or RECEIVE:    

NOTICE AND PROXY STATEMENT    ANNUAL REPORT TO STOCKHOLDERS

How to View Online:    

Have the information that is printed in the box marked by the arrow    XXXX XXXX XXXX XXXX (located on the

following page) and visit: www.proxyvote .com.    

How to Request and Receive a PAPER or E-MAIL Copy:

If you want to receive a paper or e-mail copy of these documents, you must request one. There is NO charge for requesting    a copy. Please choose one of the following methods to make your request:    1) BY INTERNET: www.proxyvote.com    2) BY TELEPHONE: 1-800-579-1639    3) BY E-MAIL*: sendmaterial@proxyvote.com

* If requesting materials by e-mail, please send a blank e-mail with the information that is printed in the box marked by the arrow XXXX XXXX XXXX XXXX (located on the following page) in the subject line.

Requests, instructions and other inquiries sent to this e-mail address will NOT be forwarded to your investment advisor. Please make the request as instructed above on or before May 6, 2020 to facilitate timely delivery.

How To Vote

Please Choose One of the Following Voting Methods

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marked by the arrow XXXX XXXX XXXX XXXX (located on the following page) available and follow the instructions.

Vote In Person:

Many stockholder meetings have attendance requirements including, but not limited to, the possession of an attendance ticket issued by the entity holding the meeting. Please check the meeting materials for any

P38343

special requirements for meeting attendance. At the meeting, you will need to request a ballot to vote these shares.

Vote By Internet: To vote now by Internet, go to www.proxyvote.com. Have the information that is printed in the box marked by the arrow XXXX XXXX XXXX XXXX (located on the following page) available and follow the instructions D05130 Vote By Mail: You can vote by mail by requesting a paper copy of the materials, which will include a proxy card.

Voting Items

The Board of Directors recommends you vote FOR    

all of the nominees for director listed.    

1. Election of Directors:

Nominees: The Board of Directors recommends you vote FOR

proposals 2 and 3.

1a. Joel I. Klein

2. To approve, by non-binding, advisory resolution,

the Company’s named executive officer

1b. Kelly A. Ayotte compensation.

3. To ratify the Audit Committee’s appointment of

1c. Bruce W. Duncan PricewaterhouseCoopers LLP as the Company’s

independent registered public accounting firm

1d. Karen E. Dykstra for the fiscal year ending December 31, 2020.

NOTE: In their discretion, the proxies are authorized to

1e. Carol B. Einiger vote upon any other matters that are properly brought

by or at the direction of the Board of Directors before

the Annual Meeting and at any adjournments or

1f. Diane J. Hoskins postponements thereof.

1g. Douglas T. Linde

1h. Matthew J. Lustig

1i. Owen D. Thomas

1j. David A. Twardock

1k. William H. Walton, III

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