UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13A-16 OR 15D-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934 For the month of December, 2017 Commission File Number: 001-37877 The Bank of N.T. Butterfield & Son Limited (Translation of registrant s name into English) 65 Front Street Hamilton, HM 12 Bermuda (Address of principal executive offices) Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F. Form 20-F ýform 40-F o Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): o Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): o
DOCUMENTS INCLUDED AS PART OF THIS FORM 6-K Attached hereto (i) as Exhibit 99.1 is the press release announcing the appointment of Pamela Thomas-Graham as a Non-Executive Director on the Board of Directors of The Bank of N.T. Butterfield & Son Limited. Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. Date: December 4, 2017 THE BANK OF N.T. BUTTERFIELD & SON LIMITED By: Name: Title: /s/ Shaun Morris Shaun Morris General Counsel and Group Chief Legal Officer 2
EXHIBIT INDEX Exhibit Description 99.1 Press release - Pamela Thomas-Graham Joins Butterfield Board 3
PAMELATHOMAS-GRAHAMJOINSBUTTERFIELDBOARD Hamilton,Bermuda-4December2017: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. Ms. Thomas-Graham is a Harvard-educated entrepreneur and executive with nearly three decades of experience in the financial services, media and apparel industries. She is the Founder and current Chief Executive Officer of Dandelion Chandelier LLC, a private digital media enterprise focused on the intersection of luxury, marketing and technology. Prior to establishing Dandelion Chandelier, Ms. Thomas-Graham spent six years with Credit Suisse where she served as Chief Talent, Branding and Communications Officer, and Chief Marketing and Talent Officer & Head of Private Banking and Wealth Management New Markets. From 2008 to 2010, she was Managing Director of private equity firm, Angelo, Gordon & Company, leading the firm s investments in the consumer and retail sectors. Before assuming leadership roles in financial services, Ms. Thomas-Graham was Senior Vice President, Global Brand Development and Group President, Apparel Brands at Liz Claiborne (now Kate Spade & Company) where she was responsible for the P&L of 18 global brands. Prior to joining Liz Claiborne, she spent six years at NBC Universal, where she served as President and Chief Executive Officer of CNBC.com, and later President and Chief Operating Officer, and Chairman, President and Chief Executive Officer of CNBC. Ms. Thomas-Graham began her career at global consulting firm McKinsey & Company in 1989, and became the firm s first African-American female partner in 1995. She was named one of the Top 10 Consultants in America by ConsultingMagazinein 1999. Ms. Thomas-Graham holds Bachelor of Arts in Economics, Master of Business Administration, and Doctor of Law degrees from Harvard University. She currently serves on the board of The Clorox Company as the Lead Independent Director, as well as the boards of several non-profit organisations in the US. Michael Collins, Butterfield s Chairman and Chief Executive Officer, said On behalf of my fellow Directors, I am pleased to welcome Pamela to the Butterfield Board. With her extensive leadership and board experience across a number of industries and disciplines, and a demonstrated ability to launch and grow global brands, Pamela will be a tremendous resource to the Bank as we continue to focus on enhancing shareholder value through trust and wealth management acquisitions. -ENDS-
NotestoEditors: Butterfield is a full-service bank and wealth manager headquartered in Hamilton, Bermuda, providing services to clients from six jurisdictions: Bermuda, the Cayman Islands and Guernsey, where our principal banking operations are located; and The Bahamas, Switzerland and the United Kingdom, where we offer specialised financial services. Banking services comprise retail and corporate banking. Wealth management services are composed of trust, private banking, and asset management. In Bermuda and the Cayman Islands, we offer both banking and wealth management. In Guernsey, The Bahamas and Switzerland, we offer wealth management. In the UK, we offer residential property lending. 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. MediaRelationsContact: Mark Johnson Vice President, Group Head of Communications The Bank of N.T. Butterfield & Son Limited Phone: (441) 299 1624 Cellular: (441) 524 1025 Fax: (441) 295 3878 E-mail: mark.johnson@butterfieldgroup.com