Dorf Ketal and Ashland Water Technologies Enter Strategic Distribution Partnership

Houston, TX. – Dorf Ketal Chemicals, LLC, a specialty chemical company serving the downstream refining and

petrochemical industries, and Ashland Water Technologies, a commercial unit of Ashland Inc. (NYSE: ASH), today

announced they have entered a strategic distribution agreement within North America and the Caribbean.

Under the terms of the agreement, Ashland Water Technologies will serve as Dorf Ketal’s sole distributor in the assigned

territory, initially North America and the Caribbean. Ashland Water Technologies and Dorf Ketal intend to accelerate the

delivery of innovative products and services to the refining and chemical processing industries. Field engineers and

applications specialists from both companies will work together to deliver highly differentiated process and water

treatment solutions, as well as documented return on investment, to customers.

“With market-leading positions around the world, Dorf Ketal has demonstrated its ability to rapidly innovate and deliver

sustainable solutions to the most difficult challenges facing refiners and chemical producers today,” said Matt Knight,

president and chief executive officer, Dorf Ketal Chemicals. “As a new entrant to the North American market, we have

been looking for a partner that shares our commitment to innovation and service. We believe that Ashland Water

Technologies is that partner and will help accelerate our rate of market penetration and growth.”

“Our industrial water treatment team has a proven track record of delivering documented return on investment for more

than 30 years across all major industries, including refining and petrochemical production,” said John Schumann, vice

president, industrial water, Ashland Water Technologies. “We take a proactive approach to working with our customers,

who are increasingly asking to evaluate the process side of their operations and to deliver value-added solutions. Our

partnership with Dorf Ketal will allow us to do just that.”

About Dorf Ketal

Dorf Ketal Chemicals LLC is a Delaware-based company and a wholly owned subsidiary of Dorf Ketal Pvt. (I) Ltd., a

privately owned specialty chemical company based in Mumbai, India. Globally, Dorf Ketal is the industry’s fastest-growing

provider of formulated specialty chemicals to the downstream hydrocarbon markets. New problem-solving chemistries

are producing a vitality index of over 35 percent, and have contributed to sustained and rapid global growth with Dorf

Ketal serving many of the world’s leading refiners and petrochemical producers.

About Ashland Water Technologies

Ashland Water Technologies is a leading global producer of papermaking chemicals and a leading specialty chemicals

supplier to the pulp, paper, food and beverage, chemical processing, refining, petrochemical, mining and municipal

markets. Its process, utility and functional chemistries are used to improve operational efficiencies, enhance product

quality, protect plant assets and help ensure environmental compliance.