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News Release

Alliant Energy closes on the sale of RMT

Renewable energy services company now owned by Infrastructure and Energy Alternatives, LLC

MADISON, Wis. – February 1, 2013 – Alliant Energy Corporation (NYSE: LNT) announced today that it has closed on the sale of RMT, Inc. (RMT), a former renewable energy services subsidiary, to Infrastructure and Energy Alternatives, LLC (IEA). Alliant Energy announced in December 2012 that it had entered into a definitive agreement to sell RMT to IEA. Terms and conditions of the sale are not being disclosed.

IEA is a leading provider of engineering, procurement and construction services to a variety of markets including renewable energy and fossil generation across North America. RMT will become a subsidiary of IEA working in their renewable energy group along with existing IEA subsidiary White Construction, Inc. RMT’s headquarters will remain in Madison, Wis.

RMT is a leading engineering, procurement and construction contractor specializing in the design and construction of wind and solar electric energy generating facilities and high-voltage transmission lines.

 

Media Contact: Steve Schultz, (608) 458-3285
Investor Relations Contact: Susan Gille, (608) 458-3956