X0306 4 2019-03-04 0 0001734875 Mid-Southern Bancorp, Inc. MSVB 0001766394 Koch Eric A. 300 N. WATER STREET SALEM IN 47167 1 0 0 0 Common Stock, par value $0.01 per share 2019-03-04 4 P 0 792 13.1 A 2132 I Through a SEP IRA Common Stock, par value $0.01 per share 2019-03-04 4 P 0 70 13.1 A 2202 I Through a SEP IRA Common Stock, par value $0.01 per share 2019-03-05 4 P 0 100 13.25 A 2302 I Through a SEP IRA Common Stock, par value $0.01 per share 2019-03-05 4 P 0 388 13.25 A 2690 I Through a SEP IRA Common Stock, par value $0.01 per share 2019-03-05 4 P 0 100 13.24 A 2790 I Through a SEP IRA Common Stock, par value $0.01 per share 220 D Common Stock, par value $0.01 per share 40150 I Owned jointly with spouse /s/Eric A. Koch 2019-03-05