Casella Waste Systems — Aug 6, 2026 release

“The business is performing in line with plan and our outlook for the year has not materially changed.” The Company updated guidance for the fiscal year ending December 31, 2026 (“fiscal year 2026”) for the following ranges: • Revenues between $2.090 billion and $2.110 billion (raised from a range of $2.060 billion to $2.080 billion); and • Net income between $0 and $6 million (lowered from a range of $4 million to $10 million). The Company reaffirmed guidance for fiscal year 2026 by estimating results in the following ranges: • Adjusted EBITDA between $473 million and $483 million; • Net cash provided by operating activities between $370 million and $380 million; and • Adjusted Free Cash Flow between $200 million and $210 million. The guidance ranges do not include the impact of any acquisitions that have not been completed. Adjusted EBITDA and Adjusted Free Cash Flow related to fiscal year 2026 are described in the Unaudited Reconciliation of Fiscal Year 2026 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 2026 do not contemplate any unanticipated impacts. Conference Call to Discuss Quarter The Company will host a conference call to discuss these results on Friday, August 7, 2026 at 10:00 a.m. Eastern Time. Individuals interested in participating in the call should register for the call by clickin g here to obtai