LionHeart Power sells UPS unit to Unified Power

Unified Power Holdings LLC, a portfolio company of Pfingsten Partners LLC, has acquired the UPS Division of LionHeart Power Systems Inc. Financial terms weren’t announced. LionHeart provides services and parts for the uninterruptible power market.

PRESS RELEASE

Pfingsten Closes Another Critical Power Services Add-on

Unified Power Acquires the UPS Division of LionHeart Power Systems, Inc.

Chicago, Illinois – November 10, 2015 – Pfingsten Partners, L.L.C. (“Pfingsten”) announces that its
portfolio company, Unified Power Holdings, L.L.C. (“Unified Power”), has acquired the UPS Division of
LionHeart Power Systems, Inc. (“LionHeart”). LionHeart is an independent provider of services and
parts for the uninterruptible power market, offering a full range of preventative and emergency
maintenance, repair, testing and battery replacement services.

“The addition of LionHeart to the Unified Power family strengthens our geographic presence in the
Midwest with an impressive customer base and a highly skilled group of field technicians,” said Chris
Roach, Unified Power’s CEO.

“LionHeart customers will enjoy Unified Power’s commitment to world-class service, factory-trained
technicians and its national service footprint,” said Phillip Bronsteatter, Principal at Pfingsten. “We are
excited about continuing to grow organically and through add-on acquisitions.”

This is Unified Power’s fourth strategic acquisition since Pfingsten became the majority shareholder in
January 2011. The transaction is part of Pfingsten’s strategy to create a leading national, independent
service provider for the critical power industry, offering a full range of preventative and emergency
maintenance services, parts, batteries and associated critical power equipment.

The transaction was completed on October 30, 2015. To learn more about Unified Power, visit
www.unifiedpowerusa.com.

About Pfingsten

Pfingsten is an operationally focused private equity firm formed in 1989. From its headquarters in
Chicago, IL and representative offices in ChangAn, China, New Delhi, India and Chennai, India, the
firm builds better businesses through operational improvements, professional management practices,
global capabilities and profitable business growth rather than financial engineering. Since completing
its first investment in 1991, Pfingsten has raised four investment funds with total commitments of
approximately $1.0 billion and has acquired 108 manufacturing, distribution and business services
companies. For more information, visit pfingsten.com.