X0306 4 2020-03-17 0 0000730263 THOR INDUSTRIES INC THO 0001255017 ORTHWEIN PETER BUSCH C/O THOR INDUSTRIES, INC. 601 EAST BEARDSLEY AVENUE ELKHART IN 46514-3305 1 0 0 0 Common Stock 74783 I See Note Common Stock 124000 I See Note Common Stock 30000 I See Note Common Stock 299700 I See Note Common Stock 500000 I See Note Common Stock 2020-03-17 5 G 0 E 10400 0 D 870032 D Common Stock 2020-03-17 5 G 0 E 800 0 A 68780 I See Note These shares are held for the account of the Trust FBO Peter B. Orthwein, of which the reporting person is the trustee and beneficiary. These shares are held for the account of the Adolphus Busch Orthwein Trust for the benefit of the reporting person's children. The reporting person is one of the trustees of the trust. These shares are held for the account of a trust for the benefit of the reporting person's half-brother. The reporting person is one of the trustees of the trust. These shares are held for the account of the PBO-BMO Descendants Trust, of which the reporting person is the sole trustee and of which the reporting person's three youngest children are the beneficiaries. The reporting person disclaims beneficial ownership of the shares except to the extent of the pecuniary interest of the reporting person, his spouse and his three youngest children in the shares. These shares are held by the reporting person's grantor retained annuity trust. Bona fide gift. Of the 10,400 shares gifted by the reporting person on March 17, 2020, 800 were gifted to the reporting person's spouse. These shares are held for the account of the reporting person's spouse. /s/ Peter B. Orthwein 2020-03-18