Retirement Plan

Amendment to "Appendix A" of the Astec Industries, Inc. Supplemental Executive Retirement Plan

Exhibit 10.1

THIS AMENDMENT to “Appendix A” of the Astec Industries, Inc. Supplemental Executive Retirement Plan, adopted effective October 21, 2010, as amended and restated as of January 1, 2009 (the “Plan”), is adopted by Astec Industries, Inc. (the “Company”), effective as of August 1, 2011.

WHEREAS, Article 2 of the Plan permits the Board of Directors of the Company (the “Board”) to designate participants in the Plan from time to time, whose names and effective dates of participation shall be set forth on Exhibit A to the Plan; and

NOW, THEREFORE, the Company hereby amends “Appendix A” of the Plan in the form attached hereto, to update the same for changes in Plan participation approved by the Board, by action taken on May 9, 2011 and July 28, 2011, respectively.

Except as amended herein, the Plan shall continue in full force and effect.

                                                     ASTEC INDUSTRIES, INC.

Date: July 28, 2011                     By /s/ Steve Anderson              
                                                     Name Steve Anderson               
                                                     Title Secretary                             


Each Participant’s Date of Participation

 Name of Participant      Effective Dates of Participation
J. Don Brock
January 1, 1995
Thomas R. Campbell
January 1, 1995
Frank Cargould
January 1, 1995
Jeff Elliott
January 1, 1995
Tim Gonigam
January 1, 1995
F. McKamy Hall
January 1, 1995 – January 31, 2012
Richard Patek
January 1, 1995
W. Norman Smith
January 1, 1995
Joseph Vig
January 1, 1995
Jeff Richmond
May 1, 2004
Richard Dorris
January 3, 2005
Ben Brock
January 1, 2007
James Pfeiffer
January 1, 2007
Michael A. Bremmer
January 1, 2007
January 1, 2008
Lawrence R. Cumming
January 1, 2008
Neil Peterson
January 1, 2008
January 1, 2008
Joe Cline
February 1, 2008
Walter F. Keating
October 25, 2010
May 31, 2011
August 1, 2011