Exhibit 16.1

Previously filed as Exhibit 16.1 to the Form 8-K filed December 16, 2014

December 16, 2014

Securities and Exchange Commission100 F Street, N.E.Washington, DC 20549

Ladies and Gentlemen:

We have read Item 4.01 of Form 8-K dated December 16, 2014, of Astec Industries, Inc. and are in agreement with the statements contained in the second, third, and fourth paragraphs on page 2. We have no basis to agree or disagree with other statements of the registrant contained therein.

/s/ Ernst & Young LLP