X0306 5 2018-12-31 0 0 0 0001282637 NEWMARKET CORP NEU 0000919561 GOTTWALD BRUCE C 330 SOUTH FOURTH STREET RICHMOND VA 23219 1 0 1 0 Common Stock 2018-04-02 5 G 0 28496 0.00 D 592499 D Common Stock 2018-09-05 5 G 0 29525 0.00 D 562974 D Common Stock 2018-11-26 5 G 0 1656 0.00 D 561318 D Common Stock 292915 I 2015 GRAT Common Stock 375000 I 2018 GRAT Common Stock 18731 I Shares held by wife On September 4, 2015, the reporting person contributed shares of the Company's stock to a grantor retained annuity trust for the benefit of himself and his adult children. The reporting person is trustee and sole annuitant of the 2015 GRAT. These shares have previously been included in the reporting person's direct holdings. On April 13, 2018, the reporting person contributed shares of the Company's stock to a grantor retained annuity trust for the benefit of himself and his adult children. The reporting person is trustee and sole annuitant of the 2018 GRAT. These shares have previously been included in the reporting person's direct holdings. /s/ M. Rudolph West (By Power of Attorney for Bruce C. Gottwald) 2019-02-14