Hamilton, Bermuda—14 December 2017: The Bank of N.T. Butterfield & Son Limited (“Butterfield” or the “Bank”) (NYSE: NTB | BSX: NTB.BH) announced that, in step with yesterday’s 25 basis point increase in the US Federal Funds Rate, the Bank is adjusting its interest rates on loans and fixed-term deposits.

Hamilton, Bermuda—4 December 2017: The Bank of N.T. Butterfield & Son Limited (“Butterfield”) today announced that Pamela Thomas-Graham has been appointed to its Board as a Non-Executive Director.

Hamilton, Bermuda—30 October 2017: A V5 Hybrid Seabin has been installed at the Royal Hamilton Amateur Dinghy Club (RHADC) thanks to the sponsorship of Butterfield, a Global Pilot Partner of the Seabin Project

HAMILTON, BERMUDA— 25 October 2017: The Bank of N.T. Butterfield & Son Limited (“Butterfield”) (NYSE: NTB | BSX: NTB.BH) today announced that it has entered into an agreement to acquire Deutsche Bank’s Global Trust Solutions (“GTS”) business, excluding its US operations. Terms of the agreement were not disclosed.

Hamilton, Bermuda - 25 October 2017: The Bank of N.T. Butterfield & Son Limited (BSX: NTB.BH; NYSE: NTB) today announced financial results for the quarter ended 30 September 2017.

Hamilton, Bermuda—18 October 2017: The Bank of N.T. Butterfield & Son Limited (“Butterfield”) (NYSE: NTB | BSX: NTB.BH) today announced the following changes within its senior management team structure.

Hamilton, Bermuda—6 October 2017: The Bank of N.T. Butterfield & Son Limited (“Butterfield”) today announced that Meroe Park has been appointed to its Board as a Non-Executive Director.

Hamilton, Bermuda—19 September 2017: Employees of Butterfield Group companies around the world joined forces with local environmental groups to take part in the International Costal Clean-Up on Saturday, 16 September 2017. 267 Butterfield team members cleared 113 bags of trash and recyclables from public spaces in six countries during the first of what will become an annual Community Action Day for the Bank.

Hamilton, Bermuda—25 July 2017: The Bank of N.T. Butterfield & Son Limited (“Butterfield” or the “Bank”) (BSX: NTB.BH; NYSE: NTB) today announced net income for the second quarter ended 30 June 2017, as well as changes in the composition of its Board of Directors.

Hamilton, Bermuda—5 July 2017: The Bank of N.T. Butterfield & Son Limited (“Butterfield”) (NYSE: NTB | BSX: NTB.BH) will release second quarter 2017 financial results after market hours on Tuesday, 25 July 2017.

Hamilton, Bermuda—12 May 2017: A V5 Hybrid Seabin—Bermuda’s first—has been installed at the Princess Marina at Hamilton Princess & Beach Club in the island’s capital thanks to the sponsorship of Bermuda-based Butterfield Group, a Global Pilot Partner of the Seabin Project.

Hamilton, Bermuda – 28 April 2017: The Bank of N.T. Butterfield & Son Limited (“the Bank”) announced the results of the Shareholders’ vote at the Bank’s 113th Annual General Meeting held today.

Hamilton, Bermuda—25 April 2017: The Bank of N.T. Butterfield & Son Limited (“Butterfield” or the “Bank”) (BSX: NTB.BH; NYSE: NTB) today announced net income for the first quarter ended 31 March 2017 of $35.9 million, an increase of $0.5 million compared to $35.4 million earned in the fourth quarter of 2016 and an increase of $9.1 million compared to $26.8 million earned in the same quarter a year ago.

Hamilton, Bermuda and New York, NY—20 April 2017: On 27 March 2017, the Bank of N.T. Butterfield & Son Limited (“Butterfield”) (NYSE: NTB | BSX: NTB.BH) distributed a proxy statement (the “Proxy Statement”) and related proxy material soliciting votes from its shareholders in connection with its upcoming Annual General Meeting which will be held on Friday, 28 April 2017.

Hamilton, Bermuda and New York, NY—12 April 2017: On 27 March 2017, the Bank of N.T. Butterfield & Son Limited (“Butterfield”) (NYSE: NTB | BSX: NTB.BH) distributed a proxy statement (the “Proxy Statement”) and related proxy materials soliciting votes from its shareholders in connection with its upcoming Annual General Meeting which will be held on Friday 28 April 2017. The following information is to provide Butterfield shareholders with supplemental information related to Proposal 6: General Mandate to Issue Shares included in the Proxy Statement.

Hamilton, Bermuda—4 April 2017: The Bank of N.T. Butterfield & Son Limited (“Butterfield”), a Bermuda-based bank and trust company with operations in six international locations, has joined the Seabin Global Pilot Program. Butterfield will install the pre-series V5 Hybrid Seabin at the marina at Hamilton Princess & Beach Club in Bermuda’s capital.

Hamilton, Bermuda—29 March 2017: The Bank of N.T. Butterfield & Son Limited (“Butterfield”) (NYSE: NTB | BSX: NTB.BH) will release first quarter 2017 financial results after market hours on Tuesday, 25 April 2017.

Hamilton, Bermuda—15 March 2017: The Bank of N.T. Butterfield & Son Limited (“Butterfield” or the “Bank”) (NYSE: NTB | BSX: NTB.BH) announced that, in alignment with today’s 25 basis point increase in the US Federal Funds Rate, the Bank has adjusted its Bermuda Dollar Base Rates on Bermuda Dollar loans.

Hamilton, Bermuda and New York, NY—28 February 2017: The Bank of N.T. Butterfield & Son Limited (“Butterfield”) (NYSE: NTB | BSX: NTB.BH) today announced the closing of its previously announced registered secondary offering by certain selling shareholders, including affiliates of the Carlyle Group (“Carlyle”), of 10,989,163 of its voting ordinary shares (“Common Shares”) at a price of $31.75 per share. Butterfield did not receive any of the proceeds from the sale of the Common Shares.

Hamilton, Bermuda and New York, NY—23 February 2017: The Bank of N.T. Butterfield & Son Limited (“Butterfield”) (NYSE: NTB | BSX: NTB.BH) today announced the pricing of a registered secondary offering by certain selling shareholders of 9,555,794 of Butterfield’s voting ordinary shares at a price to the public of $31.75 per share (the “Offering Price”). Butterfield will not receive any of the proceeds from the sale of the shares.

Hamilton, Bermuda and New York, NY—21 February 2017: The Bank of N.T. Butterfield & Son Limited (“Butterfield”) (NYSE: NTB | BSX: NTB.BH) today announced that certain of its shareholders (collectively, the “Selling Shareholders”), including affiliates of The Carlyle Group (collectively, “Carlyle”), intend to offer 9,555,794 shares of Butterfield’s voting ordinary shares, par value $0.01 per share (the “Common Stock”), in an underwritten public offering. In addition, the Selling Shareholders intend to grant the underwriters a 30-day option to purchase up to an additional 1,433,369 shares of the Common Stock at the public offering price, less underwriting discounts and commissions. The shares offered, including the underwriters’ option to purchase additional shares, will include all 7,632,569 shares currently owned by Carlyle. Butterfield will not be issuing any shares in connection with the offering and will not receive any proceeds from the offering.

Hamilton, Bermuda –13 February 2017: The Bank of N.T. Butterfield & Son Limited (“Butterfield” or the “Bank”) (BSX: NTB.BH; NYSE: NTB) today announced net income for the year ended 31 December 2016 of $115.9 million, an increase of $38.2 million compared to $77.7 million earned a year ago. The $42 million premium on the preference share redemption resulted in a $0.05 per share decrease in earnings per share to $1.18. After removing the effects of non-core items, core earnings for the full year were $138.6 million, an increase of $24.7 million compared to 2015. The Board declared a dividend for the quarter ended 31 December 2016 of $0.32 per common share, a three-fold increase from the prior quarter and the same quarter in the previous year.

Hamilton, Bermuda - 13 February 2017: The Bank of N.T. Butterfield & Son Limited (BSX: NTB.BH; NYSE: NTB) (the “Company”) announced today that it plans to conduct a registered public secondary offering of shares of its common stock. All of the shares sold in the offering will be sold by certain selling shareholders. The selling shareholders have not yet determined the number of shares to be offered, and the timing of the offering remains subject to market conditions.

The Bank of N.T. Butterfield & Son Limited (“Butterfield”) (NYSE: NTB | BSX: NTB.BH) will release 2016 financial results in advance of market opening on Monday, 13 February 2017.

Hamilton, Bermuda and London, England—18 January 2017: The Bank of N.T. Butterfield & Son Limited (“Butterfield” or the “Bank”) (NYSE: NTB | BSX: NTB.BH) today announced that it has completed the orderly wind-down of its London-based private banking business and has fully discontinued its deposit-taking and investment management services in the UK.