Eastern Bankshares, Inc.

Our proxy materials are available over the Internet. Shareholders will receive a Notice of Internet Availability of Proxy Materials (the “Notice”) on or about April 1, 2024, to comply with the 40-day requirement pursuant to Rule 14a-16(a) of the Securities and Exchange Act of 1934, as amended (the “Exchange Act”). The Notice contains instructions on how to access our proxy materials, including our Proxy Statement, in connection with the Annual Meeting and submit your proxy or vote authorization form. The Notice also provides information on how to request paper copies of our proxy materials. If you have previously requested a paper copy of the proxy materials, you will receive a paper copy of our proxy materials by mail. If you have previously elected to receive our proxy materials electronically, you will continue to receive these materials electronically unless you elect otherwise. If you receive more than one Notice, it means that your shares are registered in more than one name or are registered in different accounts. In order to vote the shares you own, you must vote pursuant to the instructions on each Notice.