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FOR IMMEDIATE RELEASE

Momentive Performance Materials Inc. Announces Second Quarter 2012 Conference Call

ALBANY, N.Y., (August 2 2012) – Momentive Performance Materials Inc. (“Momentive Performance Materials” or the “Company”) today announced it will host a teleconference to discuss Second Quarter 2012 results on Tuesday, August 7, 2012, at 10 a.m. Eastern Time. The Company will issue a press release announcing its financial results for the second quarter ended June 30, 2012 prior to the opening of the market on August 7, 2012.

Interested parties are asked to dial-in approximately 10 minutes before the call begins at the following numbers:

U.S. Participants: 866-203-3206
International Participants: 617-213-8848
Participant Passcode: 13638422

Live Internet access to the call and presentation materials will be available through the Investor Relations section of the Company’s website: www.momentive.com

A replay of the call will be available for three weeks beginning at 1 p.m. Eastern Time on August 7, 2012. The playback can be accessed by dialing 888-286-8010 (U.S.) and +1-617-801-6888 (International). The passcode is 10268517. A replay also will be available through the Investor Relations Section of the Company’s website.

About the Company
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 whollyowned subsidiary of Hexion Holdings LLC, the owner of its sister company, Hexion Inc., the global leader in thermoset resins. Additional information is available at www.momentive.com.

About the New Momentive
Hexion Holdings LLC is the ultimate parent company of Momentive Performance Materials Inc. and Hexion Inc. (collectively, the “new Momentive”). The new 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. The new 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 Hexion Inc. (formerly known as Hexion Specialty Chemicals, Inc.), and their respective subsidiaries and direct parent companies, remain separate. Momentive Performance Materials Inc. and Hexion Inc. file separate financial and other reports with the Securities and Exchange Commission. The new Momentive is controlled by investment funds affiliated with Apollo Global Management, LLC. Additional information about the new Momentive and its products is available at www.momentive.com.

Contacts

Investors:
John Kompa
614-225-2223
john.kompa@momentive.com

Media:
John Scharf
518-233-3893
john.scharf@momentive.com

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