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                <title><![CDATA[Ecovyst Reports First Quarter 2026 Results and Revises 2026 Outlook]]></title>
                <description><![CDATA[]]></description>
                <link>https://investor.ecovyst.com/news-events/press-releases/detail/172/ecovyst-reports-first-quarter-2026-results-and-revises-2026</link>
                <pubDate>Tue, 05 May 26 06:00:00 -0400</pubDate>
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                <title><![CDATA[Ecovyst Announces Agreement to Acquire Calabrian Sulfur Dioxide & Sulfur Derivatives Business]]></title>
                <description><![CDATA[]]></description>
                <link>https://investor.ecovyst.com/news-events/press-releases/detail/171/ecovyst-announces-agreement-to-acquire-calabrian-sulfur</link>
                <pubDate>Fri, 01 May 26 06:45:00 -0400</pubDate>
                <guid>https://investor.ecovyst.com/news-events/press-releases/detail/171/ecovyst-announces-agreement-to-acquire-calabrian-sulfur</guid>
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                <title><![CDATA[Ecovyst to Host First Quarter 2026 Earnings Conference Call and Webcast on Tuesday, May 5, 2026 at 11:00 a.m. ET]]></title>
                <description><![CDATA[]]></description>
                <link>https://investor.ecovyst.com/news-events/press-releases/detail/170/ecovyst-to-host-first-quarter-2026-earnings-conference-call</link>
                <pubDate>Mon, 20 Apr 26 12:07:00 -0400</pubDate>
                <guid>https://investor.ecovyst.com/news-events/press-releases/detail/170/ecovyst-to-host-first-quarter-2026-earnings-conference-call</guid>
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                <title><![CDATA[Ecovyst Reports Fourth Quarter and Full Year 2025 Results]]></title>
                <description><![CDATA[]]></description>
                <link>https://investor.ecovyst.com/news-events/press-releases/detail/169/ecovyst-reports-fourth-quarter-and-full-year-2025-results</link>
                <pubDate>Thu, 26 Feb 26 06:00:00 -0500</pubDate>
                <guid>https://investor.ecovyst.com/news-events/press-releases/detail/169/ecovyst-reports-fourth-quarter-and-full-year-2025-results</guid>
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                <title><![CDATA[Ecovyst to Host Fourth Quarter 2025 Earnings Conference Call and Webcast on Thursday, February 26, 2026 at 11:00 a.m. ET]]></title>
                <description><![CDATA[]]></description>
                <link>https://investor.ecovyst.com/news-events/press-releases/detail/168/ecovyst-to-host-fourth-quarter-2025-earnings-conference</link>
                <pubDate>Fri, 13 Feb 26 08:27:00 -0500</pubDate>
                <guid>https://investor.ecovyst.com/news-events/press-releases/detail/168/ecovyst-to-host-fourth-quarter-2025-earnings-conference</guid>
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                <title><![CDATA[Ecovyst Completes Sale of Advanced Materials & Catalysts Segment to Technip Energies]]></title>
                <description><![CDATA[]]></description>
                <link>https://investor.ecovyst.com/news-events/press-releases/detail/167/ecovyst-completes-sale-of-advanced-materials-catalysts</link>
                <pubDate>Fri, 02 Jan 26 01:00:00 -0500</pubDate>
                <guid>https://investor.ecovyst.com/news-events/press-releases/detail/167/ecovyst-completes-sale-of-advanced-materials-catalysts</guid>
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                <title><![CDATA[Ecovyst Reports Third Quarter 2025 Results and Updates Guidance]]></title>
                <description><![CDATA[]]></description>
                <link>https://investor.ecovyst.com/news-events/press-releases/detail/166/ecovyst-reports-third-quarter-2025-results-and-updates</link>
                <pubDate>Tue, 04 Nov 25 06:00:00 -0500</pubDate>
                <guid>https://investor.ecovyst.com/news-events/press-releases/detail/166/ecovyst-reports-third-quarter-2025-results-and-updates</guid>
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                <title><![CDATA[Ecovyst to Host Third Quarter 2025 Earnings Conference Call and Webcast on Tuesday, November 4, 2025 at 11:00 a.m. ET]]></title>
                <description><![CDATA[]]></description>
                <link>https://investor.ecovyst.com/news-events/press-releases/detail/165/ecovyst-to-host-third-quarter-2025-earnings-conference-call</link>
                <pubDate>Wed, 22 Oct 25 15:54:00 -0400</pubDate>
                <guid>https://investor.ecovyst.com/news-events/press-releases/detail/165/ecovyst-to-host-third-quarter-2025-earnings-conference-call</guid>
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                <title><![CDATA[Ecovyst Announces Agreement to Sell its Advanced Materials & Catalyst Segment to Technip Energies]]></title>
                <description><![CDATA[]]></description>
                <link>https://investor.ecovyst.com/news-events/press-releases/detail/164/ecovyst-announces-agreement-to-sell-its-advanced-materials</link>
                <pubDate>Thu, 11 Sep 25 01:03:00 -0400</pubDate>
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                <title><![CDATA[Ecovyst Reports Second Quarter 2025 Results]]></title>
                <description><![CDATA[]]></description>
                <link>https://investor.ecovyst.com/news-events/press-releases/detail/163/ecovyst-reports-second-quarter-2025-results</link>
                <pubDate>Thu, 07 Aug 25 06:00:00 -0400</pubDate>
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