Living Trust Sample Contracts

Registration Rights Agreement (December 18th, 2008)

This REGISTRATION RIGHTS AGREEMENT (this Agreement) is made as of the 16th day of December, 2008, by and among MasTec, Inc., a Florida corporation (the Company), and Trust B under the Amended and Restated Living Trust of Leo Wanzek dated February 2, 2000, a North Dakota trust (QTIP), Janet L. Wanzek, a North Dakota resident (Janet), Wanzek Construction 2008 Irrevocable Trust, a North Dakota trust (IDIT), Jon L. Wanzek, a North Dakota resident (Jon) and Jon L. Wanzek 2008 Two-Year Irrevocable Annuity Trust, a North Dakota trust (GRAT) (QTIP, Janet, IDIT, Jon and GRAT taken together are the Sellers), and Jon, as Sellers Representative (the Sellers Representative).