0001193125-07-041965 Sample Contracts

NUCOR CORPORATION and HARRIS STEEL GROUP INC. SUPPORT AGREEMENT December 29, 2006

Support Agreement • February 28th, 2007 • Nucor Corp • Steel works, blast furnaces & rolling mills (coke ovens) • Ontario

• Contract Type
  Support Agreement
• Filed
  February 28th, 2007
• Company
  Nucor Corp
• Industry
  Steel works, blast furnaces & rolling mills (coke ovens)
• Jurisdiction
  Ontario

THIS SUPPORT AGREEMENT entered into this 29th of December, 2006 between Nucor Corporation, a corporation existing under the laws of Delaware (hereinafter called “Nucor”) and Harris Steel Group Inc., a corporation existing under the laws of Ontario (hereinafter called the “Company”).

LOCK-UP AGREEMENT

Lock-Up Agreement • February 28th, 2007 • Nucor Corp • Steel works, blast furnaces & rolling mills (coke ovens) • Ontario

• Contract Type
  Lock-Up Agreement
• Filed
  February 28th, 2007
• Company
  Nucor Corp
• Industry
  Steel works, blast furnaces & rolling mills (coke ovens)
• Jurisdiction
  Ontario

This agreement (the “Agreement”) sets out the terms and conditions upon which Nucor Corporation (“Nucor”) will cause a corporation to be designated by it (the “Offeror”) to make an offer (the “Offer”) to purchase all of the outstanding common shares (“Shares”) of Harris Steel Group Inc. (the “Company”).