Casella Waste Systems — May 1, 2025 release

“While we have started the year well, it is still early, and given heightened economic and policy uncertainty, we believe that a cautious approach to our outlook is prudent.” The Company reaffirmed guidance for the fiscal year ending December 31, 2025 ("fiscal year 2025") by estimating results in the following ranges: • Revenues between $1.775 billion and $1.805 billion; • Net income between $10 million and $25 million; • Adjusted EBITDA between $410 million and $425 million; • Net cash p rovided by operating activities betw een $320 million and $335 million; and • Adjusted Free Cash Flow between $165 million and $180 million. The guidance ranges include acquisition activity announced to date, including the $40 million of annualized revenue acquired in the first quarter and previously announced in February, but do not include the impact of any acquisitions that have not been completed. Adjusted EBITDA and Adjusted Free Cash Flow related to fiscal year 2025 are described in the Unaudited Reconciliation of Fiscal Year 2025 Outlook Non-GAAP Measures section of this press release. Net income and Net cash provided by operating activities are provided as the most directly comparable GAAP measures to Adjusted EBITDA and Adjusted Free Cash Flow, respectively, however these forward-looking estimates for fiscal year 2025 do not contemplate any unanticipated impacts. Conference Call to Discuss Quarter The Company will host a conference call to discuss these results on Friday, May 02, 2025 at 10:00 a.m. Eastern Time. Individuals interested in participating in the call should register for the call by clicking here to obtain a dial in number and unique passcode. Al