Press release

VAM USA EXPANDS ITS FIELD SERVICE NETWORK

Houston, December 5, 2013

VAM USA, manufacturer of the world leading premium connection VAM®, announces it is opening a new Field Service office in Pittsburgh, Pennsylvania.

The new location will be operational in January 2014, and will provide all services offered in other offices, including rig preparation and rig site services. This office will support operators using VAM® and Vallourec products in the North East. Onshore and offshore, the highly trained VAM Field Service teams provide reliable, worry free support around the clock.

Joe Genghini, General Manager of Field and Technical Services , explains “VAM USA hired three local service technicians and one manager to support this service office. Additional staff will be added as demand in the region grows. This will ensure our customers of efficient field running practices that save time and money. ”

This 5th office opening continues VAM USA expansion of its field service network in the USA. It complements the offer of its sister company Vallourec Star’s state of the art pipe rolling and heat treatment mill located in Youngstown, Ohio.

The new VAM Field Service office contact info is 1-888-863-5204, or joseph.genghini@vam- usa.com.

VAM USA is a joint venture between Vallourec, , Sumitomo Corporation, and NSSMC, Japan. VAM® is a registered trademark of Vallourec Oil & Gas France.

About Vallourec Vallourec is a world leader in premium tubular solutions primarily serving energy markets and other industrial applications.

With over 23,000 employees, integrated manufacturing facilities, advanced R&D and a presence in over 20 countries, Vallourec provides customers with comprehensive, innovative solutions designed to respond to the challenges of the 21st century.

Listed on NYSE (ISIN: FR0000120354, Ticker VK) and eligible for the Deferred Settlement Service (SRD), Vallourec is included in the MSCI World Index, and CAC 40.

In the United States, Vallourec has established a sponsored Level 1 American Depositary Receipt (ADR) program (ISIN code: US92023R2094, Ticker: VLOWY). Parity between Vallourec's ADR and ordinary share is 5 for 1.

www.vallourec.com

Contact [email protected] Tel: +1 (713) 479 3200