NEWS RELEASE
PENTAIR AQUATIC ECO-SYSTEMS, INC. PURCHASES ASSETS OF EMPEROR AQUATICS, INC.

SANFORD, NC – February 13, 2014 — Pentair Aquatic Eco-Systems, Inc. announced today it has purchased the assets
of Emperor Aquatics, Inc. (EAI), a leading supplier of UV disinfection and water filtering solutions, on December 31,
2013. EAI is headquartered in Pottstown, Pennsylvania.

With the addition of EAI, Pentair is well positioned to address the growing concerns over biosecurity in Aquaculture
and the increased use of UV disinfection in the Pool industry. “This acquisition provides entry into the growing UV
market and is the perfect complement to our existing commercial sanitization products,” said Karl Frykman, President
of Pentair Aquatic Systems.

By establishing a UV center of excellence, Pentair Aquatic Eco-Systems looks to continue development of tailored
engineered solutions across all industries.

Robert D. Miller, Chief Financial Officer of Pentair’s Aquatic Systems business, leads the day-to-day operations of
Pentair Aquatic Eco-Systems, including EAI.

ABOUT PENTAIR AQUATIC SYSTEMS

Pentair Aquatic Systems provides leading edge equipment, accessories and water technology solutions to the
swimming pool, aquaculture and environmental water monitoring industries. Aquatic Systems produces a broad line
of products from pumps and filtration equipment to thermal products, automated controls, lights, automatic cleaners,
water purification and treatment technology, UV sterilizers, electromagnetic flow meters, irrigation controls, and
more. Applications for Aquatic Systems products include maintenance, repair and renovation of existing in-field
equipment, as well as planning and engineered solutions for new installations in North America, Europe, and emerging
markets such as China, Latin America and other countries.

ABOUT PENTAIR LTD.

Pentair Ltd. (www.pentair.com) delivers industry-leading products, services and solutions for its customers’ diverse
needs in water and other fluids, thermal management and equipment protection. With 2013 revenues of $7.5 billion,
Pentair employs more than 30,000 people worldwide.

PENTAIR CONTACT:

Rebecca Osborn
Senior Manager, External Communications
Direct: 763-656-5589
Email: rebecca.osborn@pentair.com