Praxair, Inc. (NYSE: PX), a recognized global leader in sustainable development, was awarded a Silver Class distinction in RobecoSAM's Sustainability Yearbook 2018 ( https://yearbook.robecosam.com/). Praxair was one of nine companies recognized with distinction in the chemical sector, and was the only U.S. company and industrial gases company to be recognized among all of RobecoSAM's classes. Praxair has received a distinction each year since the yearbook was first published in 2004. "It is important for corporations to step up and help address global challenges through their business practices and we are proud that Praxair is being recognized for doing so," said Riva Krut, Praxair chief sustainability officer. "RobecoSAM is identifying companies that they consider to be good investments based on a variety of metrics including Environmental, Social and Governance factors." RobecoSAM is an investment specialist focused exclusively on sustainability investing and has compiled one of the world's most comprehensive databases of sustainability information. The organization evaluated 2,473 companies based on economic, environmental and social dimensions, as well as other intangible business issues, such as management of innovation, customer relationships and brands. More information about Praxair's sustainable development practices can be found at http://bit.ly/1UXmtdG. About Praxair Praxair, Inc. is a leading industrial gas company in North and South America and one of the largest worldwide. With market capitalization of approximately $40 billion and 2017 sales of $11 billion, the company employs over 26,000 people globally and has been named to the Dow Jones® World Sustainability Index for 15 consecutive years. Praxair produces, sells and distributes atmospheric, process and specialty gases, and high-performance surface coatings. Our products, services and technologies are making our planet more productive by bringing efficiency and environmental benefits to a wide variety of industries, including aerospace, chemicals, food and beverage, electronics, energy, healthcare, manufacturing, primary metals and many others. For more information about the company, please visit our website at www.praxair.com.