HSC Harsco Corporation

Harsco Corporation (NYSE: HSC), a global, market leading provider of environmental solutions for industrial and specialty waste streams, today announced that Company management will be participating in the following upcoming investor conferences:

• Oppenheimer’s 18th Annual Industrial Growth Conference (Virtual)Monday, May 8, 2023
• Gabelli 9th Annual Waste & Recycling Symposium (New York)Thursday, May 11, 2023

• KeyBanc Industrials & Basic Materials Conference (Boston)Thursday, June 1, 2023

• Stifel Cross Sector Insight Conference (Boston)Wednesday, June 7, 2023

About Harsco Corporation

Harsco Corporation is a global, market leader providing environmental solutions for industrial and specialty waste streams, and innovative technologies for the rail industry. Based at Two Logan Square, PA, the 13,000-employee company operates in more than 30 countries. Harsco’s common stock is a component of the S&P SmallCap 600 Index and the Russell 2000 Index. Additional information can be found at www.harsco.com.

Investor Contact David Martin1 267 946 1407damartin@harsco.com

Media ContactJay Cooney1 267 857 8017jcooney@harsco.com