<div id="readability-page-1"><article><div>, /PRNewswire/ -- Ecovyst Inc. (NYSE: ECVT) (&#34;Ecovyst&#34; or the &#34;Company&#34;), a leading provider of virgin sulfuric acid, sulfuric acid regeneration services and ex-situ catalyst activation services, announced today that the Company has completed the sale of its Advanced Materials &amp; Catalysts segment to Technip Energies.<img src="https://imageproxy.pbkrs.com/https://mma.prnewswire.com/media/2243202/Ecovyst_hi_res_Logo.jpg?x-oss-process=image/auto-orient,1/interlace,1/resize,w_1440,h_1440/quality,q_95/format,jpg" width="400" height="113" original-src="https://imageproxy.pbkrs.com/https://mma.prnewswire.com/media/2243202/Ecovyst_hi_res_Logo.jpg"/>&#34;We believe the sale of our Advanced Materials &amp; Catalysts segment creates significant value for our stockholders by allowing us to realize the intrinsic value of the business,&#34; said Kurt J. Bitting, Ecovyst's Chief Executive Officer. &#34;Net proceeds from the sale will provide for significantly reduced leverage and enhanced financial flexibility that we believe will support the implementation of our growth strategies as well as the active return of capital to stockholders through our existing stock repurchase authorization,&#34; added Bitting. &#34;We want to thank the Advanced Materials &amp; Catalysts team for their valued contributions to Ecovyst, and we wish them continued success as part of Technip Energies.&#34;Arnaud Pieton, CEO of Technip Energies, commented: &#34;Closing this transaction is an important milestone in the evolution of Technip Energies. With Advanced Materials &amp; Catalysts, we are combining a differentiated catalysts and advanced materials platform with our process technologies and engineering expertise, creating an integrated offering that helps our customers to improve efficiency, reliability and emissions performance across their assets. We are very happy to welcome Advanced Materials &amp; Catalysts teams and look forward to working together to deliver the next phase of growth for our customers and stakeholders.&#34;The Company expects net proceeds after taxes and transaction expenses to be approximately $530 million, resulting in a Net Debt Leverage Ratio below 1.5x. As part of the closing, the Company used $465 million of the net proceeds to pay down its Term Loan.Lazard Frères &amp; Co. LLC served as financial advisor, and Ropes &amp; Gray LLP and Babst, Calland, Clements and Zomnir, P.C. served as legal counsel to Ecovyst. Evercore served as financial advisor, and Gibson, Dunn &amp; Crutcher LLP served as legal counsel to Technip Energies.About EcovystEcovyst Inc. and subsidiaries is a leading integrated provider of virgin sulfuric acid, sulfuric acid regeneration services and ex-situ catalyst activation services. We support our customers through our strategically located network of manufacturing facilities. We believe that our products and services contribute to improving the sustainability of the environment.Our Ecoservices business provides sulfuric acid recycling to the North American refining industry for the production of alkylate and also provides high quality and high strength virgin sulfuric acid for industrial and mining applications. Ecoservices also provides chemical waste handling and treatment services, as well as ex-situ catalyst activation services for the refining and petrochemical industry.For more information, see our website at https://www.ecovyst.com.About Technip EnergiesTechnip Energies is a global technology and engineering company. With leadership positions in LNG, hydrogen, ethylene, sustainable chemistry, and CO2 management, Technip Energies is contributing to the development of critical markets such as energy, energy derivatives, decarbonization, and circularity. Its complementary business segments, Technology, Products and Services (TPS) and Project Delivery, turn innovation into scalable and industrial reality. Through collaboration and excellence in execution, its 17,000+ employees across 34 countries are fully committed to bridging prosperity with sustainability for a world designed to last. Technip Energies generated revenues of €6.9 billion in 2024 and is listed on Euronext Paris. The Company also has American Depositary Receipts trading over the counter. For further information: https://www.ten.comPresentation of Non-GAAP Financial MeasuresIn this press release, the Company has provided Net Debt Leverage Ratio, which is not provided in accordance with U.S. generally accepted accounting principles (&#34;GAAP&#34;) and which presents results on a basis adjusted for certain items. The Company uses this Non-GAAP financial measure for business planning purposes and in measuring its performance relative to that of its competitors. The Company believes that this Non-GAAP financial measure is a useful financial metric to assess its operating performance from period-to-period by excluding certain items that the Company believes are not representative of its core business. This Non-GAAP financial measure is not intended to replace, and should not be considered superior to, the presentation of the Company's financial results in accordance with GAAP. The use of his Non-GAAP financial measure terms may differ from similar measures reported by other companies and may not be comparable to other similarly titled measures. This Non-GAAP financial measure is reconciled from the measures under GAAP in the attached appendix.Note on Forward-Looking StatementsSome of the information contained in this press release constitutes &#34;forward-looking statements.&#34; Forward-looking statements can be identified by words such as &#34;anticipates,&#34; &#34;intends,&#34; &#34;plans,&#34; &#34;seeks,&#34; &#34;believes,&#34; &#34;estimates,&#34; &#34;expects,&#34; &#34;projects,&#34; &#34;aims&#34; and similar references to future periods. Forward-looking statements are based on our current expectations and assumptions regarding our business, the economy and other future conditions. Because forward-looking statements relate to the future, they are subject to inherent uncertainties, risks and changes in circumstances that are difficult to predict. Examples of forward-looking statements include, but are not limited to, the anticipated benefits of the closing of the Advanced Materials &amp; Catalysts sale transaction, the expected net proceeds and the potential uses thereof, our anticipated financial position following consummation of the transaction, including our projected Net Debt Leverage Ratio, the implementation of our growth strategies, and our plans to return capital to stockholders through stock repurchases. Our actual results may differ materially from those contemplated by the forward-looking statements. We caution you, therefore, against relying on any of these forward-looking statements. They are neither statements of historical fact nor guarantees or assurances of future performance. Important factors that could cause actual results to differ materially from those in the forward-looking statements include, but are not limited to: regional, national or global political, economic, business, competitive, market and regulatory conditions, including the enactment, schedule and impact of tariffs and trade disputes; currency exchange rates; the effects of inflation; and other factors, including those described in the sections titled &#34;Risk Factors&#34; and &#34;Management's Discussion &amp; Analysis of Financial Condition and Results of Operations&#34; in our filings with the SEC, which are available on the SEC's website at www.sec.gov. These forward-looking statements speak only as of the date of this release. Factors or events that could cause our actual results to differ may emerge from time to time, and it is not possible for us to predict all of them. We undertake no obligation to update any forward-looking statement, whether as a result of new information, future developments or otherwise, except as may be required by applicable law.Appendix: Reconciliation of Expected Debt to Expected Net Debt(1)<div><table><tbody><tr><td colspan="2" rowspan="1">(in millions, except ratios)</td><td colspan="1" rowspan="1"> </td><td colspan="1" rowspan="1"> </td><td colspan="1" rowspan="1"> </td></tr><tr><td colspan="2" rowspan="1"> </td><td colspan="1" rowspan="1"> </td><td colspan="1" rowspan="1"> </td><td colspan="1" rowspan="1"> </td></tr><tr><td colspan="2" rowspan="1">Total gross debt as of September 30, 2025</td><td colspan="1" rowspan="1"> </td><td colspan="1" rowspan="1">$ 864</td><td colspan="1" rowspan="1"> </td></tr><tr><td colspan="2" rowspan="1"> </td><td colspan="1" rowspan="1"> </td><td colspan="2" rowspan="1"> </td></tr><tr><td colspan="2" rowspan="1">Expected net proceeds</td><td colspan="1" rowspan="1"> </td><td colspan="1" rowspan="1">$ 530</td><td colspan="1" rowspan="1"> </td></tr><tr><td colspan="2" rowspan="1">Debt paydown</td><td colspan="1" rowspan="1"> </td><td colspan="1" rowspan="1">(465)</td><td colspan="1" rowspan="1"> </td></tr><tr><td colspan="2" rowspan="1">Excess Cash</td><td colspan="1" rowspan="1"> </td><td colspan="1" rowspan="1">$ 65</td><td colspan="1" rowspan="1"> </td></tr><tr><td colspan="2" rowspan="1"> </td><td colspan="1" rowspan="1"> </td><td colspan="1" rowspan="1"> </td><td colspan="1" rowspan="1"> </td></tr><tr><td colspan="2" rowspan="1">Cash and cash equivalents as of September 30, 2025</td><td colspan="1" rowspan="1"> </td><td colspan="1" rowspan="1">$ 99</td><td colspan="1" rowspan="1"> </td></tr><tr><td colspan="2" rowspan="1"> </td><td colspan="1" rowspan="1"> </td><td colspan="1" rowspan="1"> </td><td colspan="1" rowspan="1"> </td></tr><tr><td colspan="2" rowspan="1">Remaining Debt(2)</td><td colspan="1" rowspan="1"> </td><td colspan="1" rowspan="1">$ 399</td><td colspan="1" rowspan="1"> </td></tr><tr><td colspan="2" rowspan="1">Less: Expected Remaining Cash(3)</td><td colspan="1" rowspan="1"> </td><td colspan="1" rowspan="1">185</td><td colspan="1" rowspan="1"> </td></tr><tr><td colspan="2" rowspan="1">Expected Net Debt</td><td colspan="1" rowspan="1"> </td><td colspan="1" rowspan="1">$ 214</td><td colspan="1" rowspan="1"> </td></tr><tr><td colspan="2" rowspan="1"> </td><td colspan="1" rowspan="1"> </td><td colspan="1" rowspan="1"> </td><td colspan="1" rowspan="1"> </td></tr><tr><td colspan="2" rowspan="1">Adjusted EBITDA Guidance Provided in November 3, 2025 earnings release(4)</td><td colspan="1" rowspan="1"> </td><td colspan="1" rowspan="1">$ 170</td><td colspan="1" rowspan="1"> </td></tr><tr><td colspan="2" rowspan="1"> </td><td colspan="1" rowspan="1"> </td><td colspan="1" rowspan="1"> </td><td colspan="1" rowspan="1"> </td></tr><tr><td colspan="2" rowspan="1">Expected Net Debt Leverage Ratio</td><td colspan="1" rowspan="1"> </td><td colspan="1" rowspan="1"> 1.3 x</td><td colspan="1" rowspan="1"> </td></tr><tr><td colspan="1" rowspan="1"> </td><td colspan="1" rowspan="1"> </td><td colspan="1" rowspan="1"> </td><td colspan="1" rowspan="1"> </td><td colspan="1" rowspan="1"> </td></tr></tbody></table></div>(1) This table illustrates projected debt and projected net debt upon consummation of the sale of the Advanced Materials &amp; Catalysts segment and the related debt paydown in connection with the consummation of such sale.(2) Equal to total gross debt as of September 30, 2025 less debt paydown of $465 million.(3) Expected Remaining Cash includes cash and cash equivalents as of September 30, 2025 of $99 million plus $21 million of expected net cash generation in the fourth quarter of 2025 plus Excess Cash as calculated above.(4) Guidance for Adjusted EBITDA from continuing operations of approximately $170 million provided in November 3, 2025 earnings release.For more information: Gene Shiels – Director of Investor Relations (484) 617 1225 gene.shiels@ecovyst.comSOURCE Ecovyst Inc.</div></article></div>

ECVT

Ecovyst Inc. has completed the sale of its Advanced Materials & Catalysts segment to Technip Energies for approximately $530 million. This transaction is expected to significantly reduce Ecovyst's leverage and enhance financial flexibility, supporting growth strategies and stockholder returns. Technip Energies aims to integrate the acquired segment with its existing technologies to improve efficiency and emissions performance. The deal involved financial advisement from Lazard Frères & Co. for Ecovyst and Evercore for Technip Energies, with legal counsel provided by Ropes & Gray LLP and Gibson, Dunn & Crutcher LLP, respectively.

Ecovyst Completes Sale of Advanced Materials & Catalysts Segment to Technip Energies | ECVT Stock News