X0306 4 2018-07-31 0 0000792987 ASTEC INDUSTRIES INC ASTE 0001023575 POTTS CHARLES F 1725 SHEPHERD RD CHATTANOOGA TN 37421 1 0 0 0 Common Stock 5047 D Common Stock 2018-07-31 4 A 0 266 47.00 A 2577 D Transaction represents deferred stock units issued in payment of reporting person's quarterly board retainer. Deferred stock units convert to shares of common stock on a one-for-one basis at a later date. Balance includes 1,170 of Restrictive Stock Units ("RSUs") issued in payment of the reporting person's annual stock award for being a non-employee director of the Company. Upon vesting, at the earlier of one year from the date of grant or on the day preceding the Company's next annual meeting of shareholders, the RSUs convert into shares of Company stock on a one-for-one basis, unless the individual director has made an election to defer receipt of the Company stock. Robert C Taylor, attorney in fact for Charles F. Potts 2018-07-31