X0306 4 2016-09-30 0 0000080420 POWELL INDUSTRIES INC POWL 0001219197 MADISON DON R PO BOX 12818 HOUSTON TX 77217 0 1 0 0 Executive Vice President, CFO Common Stock 2016-09-30 2016-09-30 4 F 0 1267 39.71 D 68292 D Common Stock 2016-10-01 2016-10-01 4 A 0 4200 0.00 A 72492 D Common Stock 975 I 401(k) Shares Represents the average of the high and low stock price on 09/30/2016. Represents a grant of restricted stock that vests 100% on the third anniversary from the date of grant, subject to the Reporting Person's continued employment with the Company. Don R. Madison 2016-10-04