FOR IMMEDIATE RELEASE

Jul 1 2015 12:00:00:000AM
News Media Contact: Joseph Barrios, (520) 884-3725, jbarrios@tep.com

TEP Announces Closing of Exchange Offer for 3.05% Senior Notes Due 2025

Tucson, Ariz. — Tucson Electric Power (TEP) today announced the closing of an offer to exchange up to all $300 million aggregate principal amount of its outstanding 3.05% Senior Notes due 2025 (the “Old Notes”) for an equivalent amount of its 3.05% Senior Notes due 2025 (the “Exchange Notes”) registered under the Securities Act of 1933, as amended.

The Old Notes were issued and sold by TEP in February 2015 in a private offering. The exchange offer expired at 5 p.m. ET on Monday, June 29, 2015. The exchange offer was made to satisfy TEP’s obligations under a registration rights agreement entered into in connection with the issuance of the Old Notes, and does not represent a new financing transaction.

TEP received and accepted tenders of 100 percent of the Old Notes that were outstanding. The terms of the Exchange Notes are substantially identical to those of the Old Notes, except that the transfer restrictions and registrations rights relating to the Old Notes do not apply to the Exchange Notes. In addition, the Exchange Notes have a different CUSIP number than the Old Notes.

This press release is for informational purposes only and is neither an offer to buy nor a solicitation of an offer to sell any Old Notes or Exchange Notes. The exchange offer was made only pursuant to the exchange offer prospectus, which was distributed to holders of the Old Notes and has been filed with the United States Securities and Exchange Commission as part of TEP’s Registration Statement on Form S-4 (File No. 333-204237), which was declared effective on May 27, 2015.

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