Momentive Performance Materials Expands SilTRUST* Technology Solutions For Solar Module Production

Momentive's patented SilTRUST technology builds on decades of experience protecting the solar arrays of spacecraft and satellites

ALBANY, N.Y., May 21, 2012 — Momentive Performance Materials Inc., a leading global provider of silicones and advanced materials, expanded its SilTRUST* solutions for solar module manufacturers with the introduction of new silicone products at the SNEC 2012 International Solar Industry and Photovoltaic Exhibition & Conference in Shanghai, China, May 16-18.This follows the recent launch of SilTRUST transparent silicone encapsulant material at the Polymers in Photovoltaics 2012 forum in Cologne, Germany, in April.


"Momentive's patented SilTRUST technology builds on decades of experience protecting the solar arrays of spacecraft and satellites," said Robert Benson, Global Marketing Director of Eco-Energy at Momentive Performance Materials."Our solar product line can protect and enhance the efficiency and durability of photovoltaic modules in harsh outdoor environments.Many of our products can also be used to help lower manufacturing costs."

The new SilTRUST products introduced at the SNEC show in China are:

· SilTRUST TSE3822-Wadhesive sealant – a one-component, oxime-cure silicone adhesive sealant that cures into elastic rubber at room temperature with exposure to moisture in the air. It has excellent adhesion to most materials used in the photovoltaic industry, including aluminum frames, back sheets and glass, without the need for primers.

· SilTRUST TSE3667 potting material – a two-component, condensation-cure silicone rubber developed for electric potting.It cures at room temperature to form an elastic flame retardant rubber that adheres to various types of materials, including most metals, plastics, glass and ceramics, without the use of primers.

For more information about Momentive's solutions for the solar industry, please call 800.295.2392 in North America (+1 614 986 2495 everywhere else), email 4information@momentive.com or visit www.momentive.com.

About Momentive Performance Materials Inc.

Momentive Performance Materials Inc. is a global leader in silicones and advanced materials, with a 70+ year heritage of being first to market with performance applications for major industries that support and improve everyday life. The company delivers science-based solutions, by linking custom technology platforms to opportunities for customers. Momentive Performance Materials Inc. is an indirect wholly-owned subsidiary of Momentive Performance Materials Holdings LLC. Additional information is available at www.momentive.com.
About Momentive

Momentive Performance Materials Holdings LLC is the ultimate parent company of Momentive Performance Materials Inc. and Momentive Specialty Chemicals Inc. (collectively, "Momentive"). Momentive is a global leader in specialty chemicals and materials, with a broad range of advanced specialty products that help industrial and consumer companies support and improve everyday life. The company uses its technology portfolio to deliver tailored solutions to meet the diverse needs of its customers around the world.Momentive was formed in October 2010 through the combination of entities that indirectly owned Momentive Performance Materials Inc. and Hexion Specialty Chemicals Inc. The capital structures and legal entity structures of both Momentive Performance Materials Inc. and Momentive Specialty Chemicals Inc. (formerly known as Hexion Specialty Chemicals, Inc.), and their respective subsidiaries and direct parent companies, remain separate. Momentive Performance Materials Inc. and Momentive Specialty Chemicals Inc. file separate financial and other reports with the Securities and Exchange Commission.Momentive is controlled by investment funds affiliated with Apollo Global Management, LLC. Additional information about Momentive and its products is available at http://www.momentive.com.

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