$ECVT

Ecovyst Inc. (ECVT) filed an SEC Form 8-K — Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers. Exhibit 99.1 Ecovyst Announces Chief Financial Officer Transition WAYNE, PA, August 24, 2026 — Ecovyst Inc. (NYSE: ECVT) (“Ecovyst” or the “Company”), a leading provider of regenerated sulfuric acid, virgin sulfuric acid, and sulfur dioxide and related derivatives, today announce

Ecovyst (ECVT) discussed its Q2 2026 results and strategy on an earnings call. The company closed the Calabrian sulfur dioxide business on June 30, and said Q2 sales rose to $250 million and adjusted EBITDA was $53 million. It reported $13 million adjusted free cash flow for the first half and net debt leverage of 2x after the acquisition. Guidance was revised for higher sulfur pass-through.

Ecovyst (NYSE:ECVT) said integration of its Calabrian acquisition is progressing as planned, with no customer disruptions, and expects $3m to $4m in cost and revenue synergies that would lower the acquisition multiple. Q2 sales rose $74m, including $55m sulfur pass-through. It raised 2026 guidance to $1.02b-$1.06b sales and $195m-$207m adjusted EBITDA, citing Calabrian.

Ecovyst (NYSE:ECVT) reported Q2 adjusted EPS of $0.21, above the $0.19 consensus, on revenue up 42% to $250 million versus $237.48 million expected. The company raised 2026 guidance: adjusted EBITDA to $195m-$207m and revenue to $1.02b-$1.06b. It also closed an INEOS sulfur dioxide derivatives acquisition in June 2026.

Ecovyst Inc. (NYSE: ECVT) reported Q2 2026 sales of $250.0 million, up 42% year over year, and net income of $10.7 million. Adjusted EBITDA rose 27% to $53.1 million. The company completed the Calabrian sulfur dioxide acquisition on June 30, 2026 and raised full-year 2026 Adjusted EBITDA guidance to $195 million to $207 million.

Ecovyst Inc. (ECVT) filed an SEC Form 8-K — Results of Operations and Financial Condition. Exhibit 99.1 Ecovyst Reports Second Quarter 2026 Results and Raises 2026 Outlook WAYNE, PA, August 5, 2026 -- Ecovyst Inc. (NYSE: ECVT) (“Ecovyst” or the “Company”), a leading provider of regenerated sulfuric acid, virgin sulfuric acid, and sulfur dioxide and related derivatives,

Ecovyst Inc. (ECVT) filed an SEC Form 8-K — Entry into a Material Definitive Agreement. EX-10.1 2 d833981dex101.htm EX-10.1 EX-10.1 Exhibit 10.1 Execution Version FOURTH AMENDMENT AGREEMENT This FOURTH AMENDMENT AGREEMENT, dated as of June 30, 2026 (this “ Fourth Amendment ”), is entered into by and among Ecovyst Catalyst Technologies LLC, a Delaware limited liabili

Lorance Sarah sold 8,450 shares of Ecovyst Inc. (ECVT) at $13.33 ($0.11M total) on 2026-06-02.

Mangrove Partners IM said in an SEC filing dated May 15, 2026 that it fully exited its Ecovyst (ECVT) position, selling 5,447,873 shares in an estimated $61.53 million trade based on average Q1 pricing. The filing also shows the stake’s quarter-end value fell by $53.01 million, reflecting sales and price movement.

Ecovyst has provided an adjusted EBITDA outlook of $180 million to $195 million for 2026. This announcement comes as the company plans to acquire Calabrian for an estimated $190 million, a move expected to contribute significantly to its financial performance.