Pfingsten Completes First Acquisition for Photonics Platform

Pacific Lasertec ("PLT") Acquires Diode Laser Concepts

Pfingsten announces its portfolio company, PLT Holdings, L.P., has acquired Diode Laser Concepts Inc. ("DLC"), a designer and manufacturer of custom, turnkey laser modules and systems. Headquartered in Medford, OR, DLC's products support critical applications across analytical instrumentation, medical, industrial and defense.

"DLC is a trusted engineering partner to its customers, with a strong track record of delivering complex and innovative solutions for high-performance applications," said Blake Fennell, CEO of PLT. "This partnership expands our product portfolio and strengthens our engineering capabilities, positioning us to deliver enhanced value to our customers."

"We are excited to be welcomed into the PLT family," said Mike Robinson, CEO of DLC, who will continue with the business. "By combining our strengths, we are better positioned to develop and manufacture OEM-optimized laser systems that meet the needs of demanding applications."

DLC is PLT's first strategic acquisition under Pfingsten's ownership. "The acquisition of DLC brings new technology to the platform, expanding PLT's addressable market," said Phil Bronsteatter, Managing Director at Pfingsten. "DLC's deep engineering resources and collaborative, customer-driven approach enhances PLT's technical capabilities and support the development of broader solutions across a wider range of applications."

The transaction closed in January 2026. To learn more about PLT and DLC, please visit pacificlasertec.com and diodelaserconcepts.com.

About Pfingsten

Pfingsten is an operationally focused private equity firm founded in 1989. From its headquarters in Chicago, the firm builds better businesses through operational improvements, professional management practices, global capabilities and profitable business growth. Since completing its first investment in 1991, Pfingsten has raised six investment funds with total commitments of approximately $1.8 billion and has acquired 174 manufacturing, distribution and business services companies. For more information, visit pfingsten.com.

About PLT

Pacific Lasertec is a manufacturer of specialty lasers and related power supplies. The company's product supports critical applications across life sciences, semiconductor, test & measurement, advanced manufacturing and medical diagnostics end markets.