Niskayuna, New York – June 1, 2026 – Momentive Performance Materials (Momentive), a global high-performance silicones and specialty solutions company, today announced the appointment of Jim Knaub as Chief Marketing Officer (CMO), effective June 1. In this role, he will lead the global marketing team and oversee the Company’s portfolio positioning, value proposition development, go‑to‑market strategy, and commercial enablement.

Jim Knaub joins Momentive from Dow, bringing more than 24 years of experience in a variety of leadership positions driving growth through strong product marketing and go‑to‑market leadership across the chemical industry.

“We are pleased to welcome Jim to Momentive,” said Craig Borkowski, Chief Executive Officer at Momentive. “His demonstrated expertise in transforming technical innovation into customer value, along with his collaborative approach with sales and R&D, will support the enhancement of our portfolio, foster growth, and strengthen our commitment to innovation.”

“I’m thrilled to be joining Momentive and partnering with the marketing, commercial and innovation teams to help drive profitable growth,” said Jim. “This is an organization with strong technology and big opportunities, and I’m excited to bring a disciplined, market‑driven approach to how we position, launch, and scale our products globally.”

Jim holds a Bachelor of Science in Chemical Engineering from Lehigh University and a Master of Business Administration from The University of Texas at Austin.

About Momentive

Momentive is a premier global advanced materials company with a cutting-edge focus on silicone and specialty products. We deliver technologies, solutions, and processes designed to propel our customer’s products forward—products that have a profound impact on everyday life from dawn to dusk, and from living rooms to outer space. With every innovation, Momentive aims to create a more sustainable future. Our vast product portfolio is made up of advanced silicone solutions that play an essential role in driving performance across a multitude of industries, including agriculture, automotive, aerospace, electronics, personal care, consumer products, building and construction, and more.

Momentive Performance Materials Inc., an indirect wholly owned subsidiary of KCC Corporation, is one of the world’s largest producers of silicone and silicone derivatives. Additional information about Momentive and its products is available at momentive.com.