0000950120-08-000369 Sample Contracts

UNS Electric, Inc. UniSource Energy Services, Inc. $50,000,000 6.50% Senior Guaranteed Notes, Series A, due August 7, 2015
Note Purchase and Guaranty Agreement • August 11th, 2008 • Tucson Electric Power Co • Electric services • New York

UNS Electric, Inc., an Arizona corporation (the “Company”), and UniSource Energy Services, Inc., an Arizona corporation (the “Guarantor” and, together with the Company, the “Obligors”), agree with each of the purchasers whose names appear at the end hereof (each, a “Purchaser” and, collectively, the “Purchasers”) as follows: