HARSCO CORPORATION ANNOUNCES TIMING OF FIRST QUARTER 2019 RESULTS AND CONFERENCE CALL

CAMP HILL, PA – April 15, 2019 - Harsco Corporation (NYSE: HSC) today announced that it will issue its first quarter 2019 earnings results on Thursday, May 9, 2019 prior to NYSE market open via newswire distribution and a posting on the company website at www.harsco.com. The Company will also host a quarterly conference call and webcast that morning beginning at 9:00 a.m. ET.

Conference Call and Webcast Details for Investors and Financial Analysts

What: Harsco Corporation First Quarter 2019 Conference Call

Date: Thursday, May 9, 2019

Time: 9:00 a.m. Eastern Time

Dial-in (US): (800) 611-4920Call: (800) 611-4920

Dial-in (International): (973) 200-3957Call: (973) 200-3957

Conference ID: 60531312

Listen-Only Mode and Archived Webcast: www.harsco.com

Replay of the earnings call will be available at www.harsco.com and by telephone through May 23, 2019 by dialing (855) 859-2056Call: (855) 859-2056, (404) 537-3406Call: (404) 537-3406 or (800) 585-8367Call: (800) 585-8367.