CARLSBAD, Calif. and PORT WASHINGTON, N.Y. - Verdezyne Inc., a synthetic biology company producing biobased chemicals, and Aceto Corporation (ACET), a leader in the marketing, sales and distribution of specialty chemicals in the U.S., announce the introduction of FerroShield HC, a nitrate-free dibasic acid mixture with exceptional ferrous corrosion inhibition properties.Verdezyne’s FerroShield HC can be used in a number of corrosion inhibitor applications, including metalworking fluids, engine coolants, metal cleaners, die cast release agents, and aqueous hydraulic fluids. FerroShield HC has been successfully produced at commercial scale and production material is now available for sample and sale.

“The rust inhibition market is in need of a high-performing dibasic acid mixture such as our FerroShield HC product, which can be used in the production of water soluble metalworking fluids,” said E. William Radany, Ph.D., president and CEO of Verdezyne. “We are excited to bring FerroShield to the corrosion inhibition market and are now producing and selling this high quality product. FerroShield’s superior corrosion inhibition performance can be easily incorporated into existing customer formulas and fits in well with Verdezyne’s diacid product portfolio.”“Aceto is very excited to partner with Verdezyne to bring FerroShield HC to the U.S. market,” commented Keith Wilkinson, Vice President, Specialty Chemicals for Aceto. “We have heard great feedback from the market about FerroShield HC performance and are pleased to add it to our portfolio of products available for the corrosion inhibition market.”About VerdezyneVerdezyne is a synthetic biology company offering biobased chemicals manufactured via fermentation of its proprietary yeast cells. The company has two commercial products, BIOLON™ DDDA (dodecanedioic acid) and FerroShield™ dibasic acid mixture. Current investors in Verdezyne include BP Ventures, DSM Venturing B.V., OVP Venture Partners, Monitor Ventures, and Sime Darby. For more information, visit www.verdezyne.com or connect with the company on Twitter, LinkedIn or Facebook.About Aceto CorporationACETO Corporation (NASDAQ: ACET), incorporated in 1947 and with offices and operations in 10 countries, is engaged in the development, marketing, sale and distribution of Human Health products (finished dosage form generics and nutraceuticals), Pharmaceutical Ingredients (pharmaceutical intermediates and active pharmaceutical ingredients) and Performance Chemicals (specialty chemicals and agricultural protection products).For samples, orders or more information about Verdezyne’s FerroShield, please contact:

• The U.S.: kwilkinson@aceto.com
• Asia: ddda@wecocbc.com
• Europe: ferroshield@will-co.nl

Verdezyne Media Contact: Jenna Ngian Vice President, Global Sales and Supply Chain JNgian@Verdezyne.com 760-707-5288Aceto Corporation Media Contact: Jody Burfening jburfening@lhai.com 212-838-3777