<?xml version="1.0" encoding="UTF-8" ?><!-- Generated on Mon, 07 Sep 2026 08:09:36 -0400--><rss version="2.0">
    <channel>
        <title>Onterris, Inc. (ONT) Press Releases</title>
        <link>https://ir.onterris.com/news-events/press-releases/rss</link>
        <description></description>
        <language>en-us</language>
                                            <image>
                <url>https://d1io3yog0oux5.cloudfront.net/_ca88d8f187714163e7bece74f32b12c7/onterris/files/theme/images/logo-sm.png</url>
                <title>Onterris, Inc. Logo</title>
                <link></link>
            </image>
                <generator>Equisolve Investor Relations Suite</generator>
        
                            <item>
                <title><![CDATA[Onterris Announces More Than $9 Million in New Project Awards From Long-Standing Global Energy Client]]></title>
                <description><![CDATA[]]></description>
                <link>https://ir.onterris.com/news-events/press-releases/detail/246/onterris-announces-more-than-9-million-in-new-project-awards-from-long-standing-global-energy-client</link>
                <pubDate>Thu, 13 Aug 26 09:01:00 -0400</pubDate>
                <guid>https://ir.onterris.com/news-events/press-releases/detail/246/onterris-announces-more-than-9-million-in-new-project-awards-from-long-standing-global-energy-client</guid>
                                                                            </item>
                    <item>
                <title><![CDATA[Onterris Reports Second Quarter Results, Updates Full-Year 2026 Guidance, and Announces Board-led Strategic Review Process]]></title>
                <description><![CDATA[]]></description>
                <link>https://ir.onterris.com/news-events/press-releases/detail/245/onterris-reports-second-quarter-results-updates-full-year-2026-guidance-and-announces-board-led-strategic-review-process</link>
                <pubDate>Wed, 05 Aug 26 16:03:00 -0400</pubDate>
                <guid>https://ir.onterris.com/news-events/press-releases/detail/245/onterris-reports-second-quarter-results-updates-full-year-2026-guidance-and-announces-board-led-strategic-review-process</guid>
                                                                            </item>
                    <item>
                <title><![CDATA[Onterris Hires Kurt Beil as Executive Vice President]]></title>
                <description><![CDATA[]]></description>
                <link>https://ir.onterris.com/news-events/press-releases/detail/244/onterris-hires-kurt-beil-as-executive-vice-president</link>
                <pubDate>Mon, 03 Aug 26 15:02:00 -0400</pubDate>
                <guid>https://ir.onterris.com/news-events/press-releases/detail/244/onterris-hires-kurt-beil-as-executive-vice-president</guid>
                                                                            </item>
                    <item>
                <title><![CDATA[Onterris Announces Timing of Second Quarter 2026 Results]]></title>
                <description><![CDATA[]]></description>
                <link>https://ir.onterris.com/news-events/press-releases/detail/243/onterris-announces-timing-of-second-quarter-2026-results</link>
                <pubDate>Thu, 23 Jul 26 08:30:00 -0400</pubDate>
                <guid>https://ir.onterris.com/news-events/press-releases/detail/243/onterris-announces-timing-of-second-quarter-2026-results</guid>
                                                                            </item>
                    <item>
                <title><![CDATA[Onterris Awarded $6 Million Australian Contract to Support Environmental Approvals for Major Mining Operation]]></title>
                <description><![CDATA[]]></description>
                <link>https://ir.onterris.com/news-events/press-releases/detail/242/onterris-awarded-6-million-australian-contract-to-support-environmental-approvals-for-major-mining-operation</link>
                <pubDate>Mon, 29 Jun 26 09:00:00 -0400</pubDate>
                <guid>https://ir.onterris.com/news-events/press-releases/detail/242/onterris-awarded-6-million-australian-contract-to-support-environmental-approvals-for-major-mining-operation</guid>
                                                                            </item>
                    <item>
                <title><![CDATA[Onterris Joins Greentown Labs to Advance Environmental Innovation and Commercialization]]></title>
                <description><![CDATA[]]></description>
                <link>https://ir.onterris.com/news-events/press-releases/detail/241/onterris-joins-greentown-labs-to-advance-environmental-innovation-and-commercialization</link>
                <pubDate>Mon, 08 Jun 26 09:02:00 -0400</pubDate>
                <guid>https://ir.onterris.com/news-events/press-releases/detail/241/onterris-joins-greentown-labs-to-advance-environmental-innovation-and-commercialization</guid>
                                                                            </item>
                    <item>
                <title><![CDATA[Onterris to Attend William Blair 46th Annual Growth Stock Conference]]></title>
                <description><![CDATA[]]></description>
                <link>https://ir.onterris.com/news-events/press-releases/detail/240/onterris-to-attend-william-blair-46th-annual-growth-stock-conference</link>
                <pubDate>Tue, 26 May 26 08:00:00 -0400</pubDate>
                <guid>https://ir.onterris.com/news-events/press-releases/detail/240/onterris-to-attend-william-blair-46th-annual-growth-stock-conference</guid>
                                                                            </item>
                    <item>
                <title><![CDATA[Onterris Reports First Quarter Results and Reiterates Full-Year 2026 Guidance]]></title>
                <description><![CDATA[]]></description>
                <link>https://ir.onterris.com/news-events/press-releases/detail/239/onterris-reports-first-quarter-results-and-reiterates-full-year-2026-guidance</link>
                <pubDate>Wed, 06 May 26 16:02:00 -0400</pubDate>
                <guid>https://ir.onterris.com/news-events/press-releases/detail/239/onterris-reports-first-quarter-results-and-reiterates-full-year-2026-guidance</guid>
                                                                            </item>
                    <item>
                <title><![CDATA[Onterris Launches Inaugural Research Report, Finds Majority of Executives Tie Environmental Performance to Business Success]]></title>
                <description><![CDATA[]]></description>
                <link>https://ir.onterris.com/news-events/press-releases/detail/238/onterris-launches-inaugural-research-report-finds-majority-of-executives-tie-environmental-performance-to-business-success</link>
                <pubDate>Tue, 05 May 26 09:00:00 -0400</pubDate>
                <guid>https://ir.onterris.com/news-events/press-releases/detail/238/onterris-launches-inaugural-research-report-finds-majority-of-executives-tie-environmental-performance-to-business-success</guid>
                                                                            </item>
                    <item>
                <title><![CDATA[Onterris Earns 2026 E+E Leader Award for Innovation in Sustainability]]></title>
                <description><![CDATA[]]></description>
                <link>https://ir.onterris.com/news-events/press-releases/detail/237/onterris-earns-2026-e-e-leader-award-for-innovation-in-sustainability</link>
                <pubDate>Wed, 29 Apr 26 09:00:00 -0400</pubDate>
                <guid>https://ir.onterris.com/news-events/press-releases/detail/237/onterris-earns-2026-e-e-leader-award-for-innovation-in-sustainability</guid>
                                                                            </item>
            </channel>
</rss>