X0306 5 2017-12-31 0 0 0 0000793547 NAVIGATORS GROUP INC NAVG 0001170862 DEEKS TERENCE N C/O THE NAVIGATORS GROUP, INC. 400 ATLANTIC STREET, 8TH FLOOR STAMFORD CT 06901 1 0 1 0 Common Stock par value $.10 per share 2017-03-18 5 G 0 70996 0.00 A 3184420 D Common Stock par value $.10 per share 2017-03-18 5 G 0 531640 0.00 D 3184420 I See Footnote Common Stock par value $.10 per share 2017-06-02 5 G 0 980716 0.00 D 3184420 I See Footnote Common Stock par value $.10 per share 2017-12-31 5 G 0 438328 0.00 A 3184420 I See Footnote Common Stock par value $.10 per share 2017-12-31 5 G 0 421748 0.00 A 3184420 D Common Stock par value $.10 per share 2017-12-31 5 G 0 222536 0.00 A 3184420 D Represents distribution in kind to the Reporting Person by the Terence N. Deeks 2014 Qualified Three Year Annuity Trust (the "2014 Trust"). Represents distribution in kind by the 2014 Trust to trusts for the benefit of Reporting Person's children or grandchildren. Includes 1,927,294 shares held by the 2015 Trust, 2016 Trust and 2017 Trust (collectively the "Trusts"), as of December 31, 2017, of which the Reporting Person is the settler, 56,400 shares owned jointly with the Reporting Person's wife, 1,149,726 shares held directly and 51,000 shares held by the Deeks Family Foundation (the "Foundation"). The Reporting Person disclaims beneficial ownership of the shares held by the Trusts and the Foundation except to the extent of any pecuniary interest he may be deemed to hold therein. Represents gift by the Reporting Person to the Terence N. Deeks 2017 Qualified Three Year Annuity Trust (the "2017 Trust"). Represents distribution in kind to the Reporting Person by the Terence N. Deeks 2015 Qualified Three Year Annuity Trust (the "2015 Trust"). Represents distribution in kind to the Reporting Person by the Terence N. Deeks 2016 Qualified Three Year Annuity Trust (the "2016 Trust"). Represents distribution in kind to the Reporting Person by the 2017 Trust. /s/ Deepa Nayini, attorney-in-fact 2018-01-19