Stepan Company Boosts Alpha Olefin Sulfonates (AOS) Production Capacity by 25% Pounds Annually

NORTHBROOK, Ill., June 3, 2025 /PRNewswire/ -- Stepan Company (NYSE: SCL) today reported:

Stepan Company a global leader in specialty and intermediate chemicals, announced a significant increase in its production capacity for Alpha Olefin Sulfonates (AOS). Through strategic capital investments and process improvements, Stepan has expanded its AOS capacity by 25%.

With the broadest network of sites and plants producing AOS in North America, Stepan continues to expand its production capacity through strategic initiatives at its Millsdale, Illinois; Anaheim, California; and Winder, Georgia facilities. These efforts included targeted capital investments and process enhancements that have strengthened operational efficiency across multiple locations—delivering increased capacity, greater flexibility, and enhanced reliability for Stepan's customers.

"We are excited to announce these enhancements to our AOS production capabilities," said Brandon Suttle, Asset Manager – Sulfonation BM - Product Management. "These improvements not only increase our capacity but also position us to better serve our customers with high-quality AOS products."

Stepan's Alpha Olefin Sulfonates are versatile surfactants used in detergents, personal care products, cleaning and industrial applications. Known for their fat-dissolving power, foam stability, and gentle cleansing properties, AOS is ideal for green bathroom cleaners, daily shower cleaners, liquid dishwashing detergents, shampoos, body washes, and facial cleansers. With the rise in demand for sulfate-free products, AOS is a preferred choice for formulators. It offers environmental benefits and produces dense, stable foam, making it appealing for luxurious lather. AOS is also used in Oilfield, Agriculture, Construction, and Emulsion Polymerization industries.

Adriano Galimberti, Vice President & Surfactants North America at Stepan, added, "Our commitment to continued improvement and operational excellence has enabled us to prioritize these investments to meet the growing demands of our customers."

Stepan continues to explore additional improvements to further expand capacity, develop specialty AOS products, and enhance product quality.

Corporate Profile

Stepan Company is a major manufacturer of specialty and intermediate chemicals used in a broad range of industries. Stepan is a leading merchant producer of surfactants, which are the key ingredients in consumer and industrial cleaning and disinfection compounds and in agricultural and oilfield solutions. The Company is also a leading supplier of polyurethane polyols used in the expanding thermal insulation market, and CASE (Coatings, Adhesives, Sealants, and Elastomers) industries.

Headquartered in Northbrook, Illinois, Stepan utilizes a network of modern production facilities located in North and South America, Europe and Asia.

The Company's common stock is traded on the New York Stock Exchange (NYSE) under the symbol SCL. For more information about Stepan Company please visit the Company online at www.stepan.com

Certain information in this news release consists of forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995, Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. These statements include statements about Stepan Company's plans, objectives, strategies, financial performance and outlook, trends, the amount and timing of future cash distributions, prospects or future events and involve known and unknown risks that are difficult to predict. As a result, Stepan Company's actual financial results, performance, achievements or prospects may differ materially from those expressed or implied by these forwardlooking statements. In some cases, you can identify forward-looking statements by the use of words such as "may," "could," "expect," "intend," "plan," "seek," "anticipate," "believe," "estimate," "guidance," "predict," "potential," "continue," "likely," "will," "would," "should," "illustrative" and variations of these terms and similar expressions, or the negative of these terms or similar expressions. Such forward-looking statements are necessarily based upon estimates and assumptions that, while considered reasonable by Stepan Company and its management based on their knowledge and understanding of the business and industry, are inherently uncertain. These statements are not guarantees of future performance, and stockholders should not place undue reliance on forward-looking statements. There are a number of risks, uncertainties and other important factors, many of which are beyond Stepan Company's control, that could cause actual results to differ materially from the forward-looking statements contained in this news release. Such risks, uncertainties and other important factors include, among other factors, the risks, uncertainties and factors described in Stepan Company's Form 10-K, Form 10-Q and Form 8-K reports and exhibits to those reports, and include (but are not limited to) risks and uncertainties related to accidents, unplanned production shutdowns or disruptions in manufacturing facilities; reduced demand due to customer product reformulations or new technologies; our inability to successfully develop or introduce new products; compliance with laws; our ability to identify suitable acquisition candidates and successfully complete and integrate acquisitions; global competition; volatility of raw material and energy costs and supply; disruptions in transportation or significant changes in transportation costs; downturns in certain industries and general economic downturns; international business risks, including currency exchange rate fluctuations, changes in global trade policies, including tariffs; legal restrictions and taxes; unfavorable resolution of litigation against us; maintaining and protecting intellectual property rights; our ability to access capital markets; global political, military, security or other instability; costs related to expansion or other capital projects; interruption or breaches of information technology systems; our ability to retain executive management and key personnel; and our debt covenants. These forward-looking statements are made only as of the date hereof, and Stepan Company undertakes no obligation to update or revise these forward-looking statements, whether as a result of new information, future events or otherwise.

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SOURCE Stepan Company