Bank Of N.t. Butterfield & Son Limited (the) VotingNYSE: NTB

Q1 2026 Dividend Declaration

· Issued by Bank Of N.t. Butterfield & Son Limited (the) Voting

BLUT 6RFIELD

Apri! 28, 2026

Electronically via PDF

Bermuda Stock Exchange 110 Pitts Bay Road

4th Floor Hamilton Bermuda

Attention: Ailish Byrne, Chief Compliance Officer

EMBARGOED UNTIL 5:30PM DST BERMUDA TIME ON 28 April 2026

Dear Ailish

Re: Ordinary Share Dividend - The Bank of N.T. Butterfield & Son Limited (the "Bank")

Pursuant to Regulations 6.15(1) and 6.20 of the BSX Listing Regulations Section IIA, we hereby notify the BSX that, effective 28 April 2026, the Board of Directors of the Bank approved the declaration and payment of an interim dividend of $0.50 per ordinary share (the "Q1 Dividend"), payable on 26 May 2026 to the ordinary shareholders of record as of the close of business on 13 May 2026.

Further, my colleague Nicky Stevens will dispatch a copy of the Bank's earnings release for the period ended 31 March 2026 which references the Q1 Dividend. The earnings release and this Dividend Notification are embargoed until 5:30 pm DST Bermuda time on 28 April 2026.

Yours sincerely



Noah Fields

Investor Relations Officer

Corporate Management

The Bank of N.T. BulterfieId & hon I imited | 6S Front 5I reeI, Hamilton HM 12

P.O. Box HM t9S, Hamillan HM AX, Bermuda

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Noah.Fields§ftutlerfieldgroup.com



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