BUTTERFIELD TO ANNOUNCE THIRD QUARTER 2021 FINANCIAL RESULTS ON 27th, OCTOBER 2021 AND HOST EARNINGS CONFERENCE CALL ON 28th, OCTOBER 2021

11 October 2021

Hamilton, Bermuda: 11^th, October 2021 – In a filing with the Bermuda Stock Exchange, The Bank of N.T. Butterfield & Son Limited (the “Bank”; Ticker: NTB.BH) advised that Butterfield is to announce their third quarter 2021 financial results and host an earnings conference call. The full filing stated:

BUTTERFIELD TO ANNOUNCE THIRD QUARTER 2021 FINANCIAL RESULTS ON OCTOBER 27, 2021 AND HOST EARNINGS CONFERENCE CALL ON OCTOBER 28, 2021

Hamilton, Bermuda — October 11, 2021: The Bank of N.T. Butterfield & Son Limited (“Butterfield”) (NYSE: NTB | BSX: NTB.BH) will release third quarter 2021 financial results following the close of the New York Stock Exchange on Wednesday, October 27, 2021.

Earnings conference call: Thursday, October 28, 2021 at 10:00 a.m. Eastern Time

Dial-in information: +1 (844) 855 9501 (toll-free US) or +1 (412) 858 4603 (international)

Live audio webcast: A live audio webcast of the call can be accessed via Butterfield’s investor relations website at https://www.butterfieldgroup.com/investor-relations/events-presentations

Replay: An audio replay of the call will be available at https://www.butterfieldgroup.com/investor-relations/events-presentations for 12 months beginning October 28, 2021.

-ENDS-

About Butterfield:

Butterfield is a full-service bank and wealth manager headquartered in Hamilton, Bermuda, providing services to clients from Bermuda, the Cayman Islands, Guernsey and Jersey, where our principal banking operations are located, and The Bahamas, Switzerland, Singapore and the United Kingdom, where we offer specialized financial services. Banking services comprise deposit, cash management and lending solutions for individual, business and institutional clients. Wealth management services are composed of trust, private banking, asset management and custody. In Bermuda, the Cayman Islands and Guernsey, we offer both banking and wealth management. In The Bahamas, Singapore and Switzerland, we offer select wealth management services. In the UK, we offer residential property lending. In Jersey, we offer select banking and wealth management services. Butterfield is publicly traded on the New York Stock Exchange (symbol: NTB) and the Bermuda Stock Exchange (symbol: NTB.BH). Further details on the Butterfield Group can be obtained from our website at: www.butterfieldgroup.com.

Investor Relations Contact:

Noah Fields

Investor Relations

The Bank of N.T. Butterfield & Son Limited

Phone : (441) 299 3816

E-mail : noah.fields@butterfieldgroup.com

Media Relations Contact:

Nicky Stevens

VP, Group Strategic Marketing & Communications

The Bank of N.T. Butterfield & Son Limited

Phone: (441) 299 1624

Cellular: (441) 524 4106

E-mail: nicky.stevens@butterfieldgroup.com

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For more information on the Bermuda Stock Exchange (BSX), contact James Best at 1-441-292-7212 orjbest@bsx.com. Information is also available at www.bsx.com and on Bloomberg at BSX.

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