Qnity Electronics, Inc. ("Qnity") (NYSE:Q), a premier technology solutions leader across the semiconductor value chain, today announced that it has appointed Katherine (Kate) Dei Cas as President of its Semiconductor Technologies business segment, effective August 3. Sam Ponzo, who has been serving as the segment’s Interim President, will return to his role as Qnity’s Chief Commercial & Strategy Officer at that time.

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Kate Dei Cas, President of Qnity's Semiconductor Technologies business segment, effective August 3, 2026.

"Kate brings significant experience driving operational excellence and strategic initiatives within the semiconductor industry," said Jon Kemp, Qnity’s Chief Executive Officer. "Her proven ability to foster high-performing teams, manage global supply chains, and drive growth make her the ideal leader for our Semi business. We are thrilled to welcome her to Qnity and look forward to working together to deliver value for our customers and shareholders."

Kate has more than 25 years of semiconductor industry experience. She joins Qnity from EMD Electronics, a division of Merck KGaA Darmstadt, Germany, where she most recently served as Executive Vice President and as a member of the Executive Team.

"Qnity has built an exceptional portfolio at a truly pivotal moment for our industry. AI is fundamentally reshaping how the world’s most advanced chips are designed and manufactured, and I am thrilled to partner with Jon and this team as we drive the transformation ahead," said Kate Dei Cas. "Throughout my career I have been driven by building relationships — with customers, partners, and the teams I am a part of — and I look forward to bringing that same commitment to Qnity as we work together to power what’s next."

About Qnity

Qnity is a premier technology provider across the semiconductor value chain, empowering AI, high performance computing, and advanced connectivity. From groundbreaking solutions for semiconductor chip manufacturing, to enabling high-speed transmission within complex electronic systems, our high-performance materials and integration expertise make tomorrow’s technologies possible. More information about the company, its businesses and solutions can be found at www.qnityelectronics.com.

Qnity™, the Qnity Node Logo, and all products, unless otherwise noted, denoted with TM or ^® are trademarks, trade names or registered trademarks of affiliates of Qnity Electronics, Inc.

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