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 investor conferences:

• Stifel 2022 Investor Summit at WasteExpoMonday, May 9, 2022Stifel will host a fireside chat for Harsco at 10am PT (7am ET). This event will be webcast live and will be available via the below link or through the Investor Relations section of Harsco’s website.https://wsw.com/webcast/wexpo10/hsc/1801368

• Goldman Sachs Seventh Annual Leveraged Finance and Credit ConferenceThursday, May 12, 2022

• 16th Annual Barrington Research Virtual Spring ConferenceThursday, May 19, 2022

• KeyBanc Industrials & Basic Materials ConferenceWednesday, June 1, 2022

• Loop Capital Markets 2022 Investor ConferenceThursday, June 2, 2022

• Stifel 2022 Cross Sector Insight ConferenceTuesday, June 7, 2022

About Harsco Corporation Harsco Corporation (NYSE: HSC) is a global market leader providing environmental solutions for industrial and specialty waste streams, and innovative technologies for the rail sector. Based in Camp Hill, PA, the 12,000-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 Martin717.612.5628damartin@harsco.com

Media ContactJay Cooney717.730.3683jcooney@harsco.com