X0306 4 2018-12-31 0 0000868780 Dorman Products, Inc. DORM 0001205405 BERMAN STEVEN L C/O DORMAN PRODUCTS, INC. 3400 WALNUT STREET COLMAR PA 18915 1 1 1 0 Executive Chairman Common Stock 2018-12-31 5 G 0 E 3634 0.00 D 66542 I By Charitable Remainder Trust Common Stock 2018-12-31 5 G 0 E 3634 0.00 A 1083833 D Common Stock 25177 I By 401(k) On December 31, 2018, a charitable remainder trust of which the reporting person is a trustee and of which the reporting person and his wife are beneficiaries distributed to the reporting person 3,634 shares of Common Stock in satisfaction of an annual distribution obligation. The reporting person disclaims beneficial ownership of Common Stock held by the charitable remainder trust except to the extent of his and his wife's pecuniary interest therein. The shares are represented by units held in a unitized stock fund through the Issuer's 401(k) Retirement Plan and Trust. The unitized stock fund of the Issuer's 401(k) Retirement Plan and Trust consists of cash and Common Stock in amounts that vary from time to time. As of December 31, 2018, the reporting person had 16,492 units in the Issuer's 401(k) Retirement Plan and Trust, which units consisted of 25,177 shares of Common Stock. The filing of this Statement shall not be construed as an admission (a) that the person filing this Statement is, for the purposes of Section 16 of the Securities Exchange Act of 1934, as amended, the beneficial owner of any securities covered by this Statement, or (b) that this Statement is legally required to be filed by such person. s/ Thomas J. Knoblauch, by Power of Attorney 2019-01-29