Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 or 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended March 31, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-03970 HARSCO CORPORATION (Exact name of registrant as specified in its charter) Delaware 23-1483991 (State or other jur ...

HARSCO CORPORATION UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-K ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 OR ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Commission File Number 001-03970 (Exact name of registrant as specified in its charter) Delaware 23-1483991 (State or other jurisdiction of incorporation or organization) (I.R.S. employe ...

Harsco Corporation (HSC) Q4 2022 Earnings Conference Call February 27, 2023 9:00 AM ET Company Participants David Martin - Vice President of Investor Relations Nick Grasberger - Chairman and Chief Executive Officer Pete Minan - Senior Vice President and Chief Financial Officer Conference Call Participants Michael Hoffman - Stifel Larry Solow - CJS Securities Rob Brown - Lake Street Capital Markets Operator Good morning. My name is Rocco, and I will be your conference facilitator. Welcome everyone to the Har ...

(a) Excludes Harsco Rail Segment. (b) Does not total due to rounding. RECONCILIATION OF ADJUSTED EBITDA BY SEGMENT TO OPERATING INCOME (LOSS) AS REPORTED BY SEGMENT (Unaudited) RECONCILIATION OF NON-GAAP MEASURES © 2023 Harsco Corporation. All Rights Reserved. This document and the information set forth herein are the property of Harsco Corporation. HARSCO CORPORATION Harsco Harsco Consolidated 19 RECONCILIATION OF NON-GAAP MEASURES (In thousands) Harsco Environmental Harsco Clean Earth (a) Corporate Consol ...

Harsco Corporation (HSC) Q3 2022 Earnings Conference Call November 1, 2022 9:00 AM ET Company Participants David Martin - Vice President of Investor Relations Nicholas Grasberger III - Chairman and Chief Executive Officer Pete Minan - Senior Vice President and Chief Financial Officer Conference Call Participants Michael Hoffman - Stifel Mitchell Moore - KeyBanc Capital Markets Lawrence Solow - CJS Securities Robert Brown - Lake Street Capital Markets Zane Karimi - D.A. Davidson & Co. Devin Dodge - BMO Capit ...

| --- | --- | --- | |-------|-------|---------| | | | | | | | | | | | Q3 2022 | | | | | ADMINISTRATIVE ITEMS Conference Call and Access to Information More information on Harsco's quarterly earnings, including the Company's earnings press release issued today and this presentation, is available on the Investor Relations portion of Harsco's website. Company management will discuss the Company's financial performance during a conference call today at 9:00 a.m. (ET). Both the presentation and access to the cal ...

Table of Contents HARSCO CORPORATION (Exact name of registrant as specified in its charter) Delaware 23-1483991 For the Quarterly Period Ended September 30, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-03970 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 or 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 (State or other ...

| --- | --- | --- | |-------|-------|------------------------------------------------| | | | | | | | | | | | Q2 2022 | | | | Quarterly Results and Outlook Conference Call | | | | August 2, 2022 | ADMINISTRATIVE ITEMS Conference Call and Access to Information More information on Harsco's quarterly earnings, including the Company's earnings press release issued today and this presentation, is available on the Investor Relations portion of Harsco's website. Company management will discuss the Company's financi ...

Investor Presentation August - September 2022 SAFE HARBOR STATEMENT This presentation does not constitute an offer to sell, or a solicitation of an offer to buy, any security and shall not constitute an offer, solicitation or sale in any jurisdiction in which such offer, solicitation or sale would be unlawful. Forward-Looking Statements The Company's presentation contains forward-looking statements based on management's current expectations, estimates and projections. The nature of the Company's business an ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☒ QUARTERLY REPORT PURSUANT TO SECTION 13 or 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period Ended June 30, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15 (d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to Commission File Number 001-03970 HARSCO CORPORATION (Exact name of registrant as specified in its charter) Delaware 23-1483991 (State or other juri ...