The interior of the ThyssenKrupp Steel USA factory in Calvert, Alabama, is pictured in this undated handout photo. Germany's ThyssenKrupp has agreed to compensate buyers of its U.S. steel plant for any underperformance in the next few years to seal a long-awaited deal to be outlined later on November 29, 2013, two people familiar with the transaction said. REUTERS/ThyssenKrupp/Handout via Reuters (UNITED STATES - Tags: BUSINESS COMMODITIES INDUSTRIAL) ATTENTION EDITORS - THIS IMAGE WAS PROVIDED BY A THIRD PARTY. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. NO SALES. NO ARCHIVES.THIS PICTURE IS DISTRIBUTED EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS ORG XMIT: TOR109