BUTTERFIELD TO ANNOUNCE THIRD QUARTER FINANCIAL RESULTS ON OCTOBER 23, 2018

Hamilton, Bermuda — 28 September 2018: In a filing with the Bermuda Stock Exchange (“BSX”), The Bank of N.T. Butterfield & Son Limited (“Butterfield”) (NYSE: NTB | BSX: NTB.BH) announced the release of Q3 financial results on 23 October 2018.  The filing stated:

Hamilton, Bermuda—September 27, 2018: The Bank of N.T. Butterfield & Son Limited (“Butterfield”) (NYSE: NTB | BSX: NTB.BH) will release third quarter 2018 financial results following the close of the New York Stock Exchange on Tuesday, October 23, 2018.

Butterfield executives will also host a conference call for investors to discuss third quarter 2018 results on Wednesday, October 24, 2018 at 10:00 a.m. EDT. Callers may access the conference call via the investor relations page of Butterfield's website at www.butterfieldgroup.com, or by dialing +1 (844) 855 9501 (toll-free) or +1 (412) 858 4603 (international). A replay of the call will be archived on the Butterfield website following the live call.

-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.

Media Relations Contact:                                                    Investor Relations Contact:                               

Mark Johnson                                                                       Noah Fields

Vice President, Group Head of Communications              Vice President, Investor Relations

The Bank of N.T. Butterfield & Son Limited                         The Bank of N.T. Butterfield & Son Limited

Phone: (441) 299 1624                                                          Phone : (441) 299 3816

Cellular: (441) 524 1025                                                        E-mail : noah.fields@butterfieldgroup.com

E-mail: mark.johnson@butterfieldgroup.com