Avtron Power Solutions Expands Capabilities with Acquisition of Rx Monitoring Services, Transforming Data Center Commissioning Automation

Cleveland, OH – June 25, 2024 – Avtron Power Solutions, a Hidden Harbor Capital Partners portfolio
company, and a global leader in load bank test solutions, announces the acquisition of Rx Monitoring
Services (RxMS), a prominent provider of power quality monitoring services and commissioning
tools. This strategic acquisition marks a significant milestone for Avtron, as it strengthens its position
in the data center industry and expands load bank testing capabilities with a focus on commissioning
automation.

Rx Monitoring Services specializes in the design and manufacture of advanced power quality
monitoring and commissioning automation solutions. The company’s expertise in developing
integrated monitoring systems has earned it a trusted reputation among data center and facility
operators worldwide. In addition, RxMS offers power quality monitoring services for healthcare and
other mission critical applications. Notably, RxMS has previously collaborated with Avtron to
integrate its monitoring systems to communicate with Avtron load banks.

With the integration of RxMS, Avtron Power Solutions will transform how data centers conduct
testing. The introduction of commissioning automation will make testing more reliable and
repeatable. The capability to write standardized scripts and have anyone execute it simplifies the
testing process, reducing human error and increasing efficiency. This automation ensures consistent
results and allows for seamless operation, ultimately enhancing the reliability and performance of
data center infrastructure.

“We are thrilled to welcome Rx Monitoring Services to the Avtron family,” said David Cox, CEO of
Avtron Power Solutions. “This acquisition aligns perfectly with our commitment to providing
comprehensive solutions for our customers’ critical infrastructure needs. By combining the load bank
testing expertise of Avtron with RxMS advanced monitoring and commissioning products, we can
offer unparalleled support to critical facility operators worldwide.

Both Avtron and Rx Monitoring Services have established strong relationships with key industry
players in the commissioning and monitoring space. Through this acquisition, both companies aim to
leverage each other’s technology to enhance their service offerings and provide comprehensive
solutions to their customers.

“We are excited to join forces with Avtron Power Solutions,” said Bob Thomas, President of Rx
Monitoring Services. “This partnership presents compelling opportunities for both companies to
expand our capabilities and better serve the evolving needs of mission critical industries. By
integrating with the supply chain and manufacturing expertise of Avtron, RxMS can accelerate its
growth and continue to deliver innovative solutions to all of our customers.”

The acquisition of Rx Monitoring Services represents a strategic move for Avtron Power Solutions as
it continues to expand its presence in the critical infrastructure market. With a shared commitment
to innovation and customer satisfaction, Avtron and RxMS are poised to drive the future of critical
facility commissioning, monitoring, and testing.

About Avtron Power Solutions
Avtron Power Solutions is the global leader in load banks and test solutions, including the Avtron and
Froment product lines, the SIGMA control platform, and related services offerings, with operations

in North America and the UK. For more information about Avtron Power Solutions please visit
www.avtronpower.com.

About Rx Monitoring Services
Rx Monitoring Services specializes in the design and manufacture of advanced power quality
monitoring and commissioning automation solutions for data center, health care, and other mission
critical applications. Its manufacturing, design, and support staff are in Bedford, New Hampshire.
For more information about Rx Monitoring Services please visit www.rxms.com.

About Hidden Harbor Capital Partners
Hidden Harbor Capital Partners is a private equity firm which helps create business success stories by
building teams focused on execution. We believe that great companies are built on a strong group of
people as their foundation, and that businesses succeed when they are intensely focused on
executing a small set of well-defined objectives. Hidden Harbor currently manages over $800 million
of equity capital and is investing out of its second fund, a $450 million vehicle. For more information
Hidden Harbor Capital Partners, please visit www.hh-cp.com.