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   <title>Tetra Tech Secures Positions on Scotland Excel Engineering and Technical Consultancy Framework</title>
   <link>http://www.streetinsider.com/Press+Releases/Tetra+Tech+Secures+Positions+on+Scotland+Excel+Engineering+and+Technical+Consultancy+Framework/26651406.html</link>
   <description>
&lt;p&gt;    PASADENA, Calif.--(BUSINESS WIRE)--
&lt;a target=&quot;_blank&quot; rel=&quot;nofollow&quot; href=&quot;https://cts.businesswire.com/ct/CT?id=smartlink&amp;amp;url=http%3A%2F%2Fwww.tetratech.com%2F&amp;amp;esheet=54554639&amp;amp;newsitemid=20260615894742&amp;amp;lan=en-US&amp;amp;anchor=Tetra+Tech%2C+Inc.&amp;amp;index=1&amp;amp;md5=18f5c5af4d8f3146e51db1efc086c4d7&quot; shape=&quot;rect&quot;&gt;Tetra Tech, Inc.&lt;/a&gt; (NASDAQ: TTEK), a leading provider of high-end consulting and engineering services in water, environment, and sustainable infrastructure, announced today that Scotland Excel, the country’s Centre of Procurement Expertise for local government, has selected Tetra Tech to support critical infrastructure projects and environmental resiliency across Scotland.

&lt;/p&gt;&lt;p&gt;
Tetra Tech has secured positions on all nine services lots of the Scotland Excel Engineering and Technical Consultancy Framework. Under the 4-year multiple-award contract, our specialist teams will support local councils across Scotland to plan, deliver, and manage projects effectively. Tetra Tech experts</description>
   <guid isPermaLink="true">http://www.streetinsider.com/Press+Releases/Tetra+Tech+Secures+Positions+on+Scotland+Excel+Engineering+and+Technical+Consultancy+Framework/26651406.html</guid>
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   <title>Tetra Tech Secures Positions on Scotland Excel Engineering and Technical Consultancy Framework</title>
   <link>http://www.streetinsider.com/Press+Releases/Tetra+Tech+Secures+Positions+on+Scotland+Excel+Engineering+and+Technical+Consultancy+Framework/26651406.html</link>
   <description>
&lt;p&gt;    PASADENA, Calif.--(BUSINESS WIRE)--
&lt;a target=&quot;_blank&quot; rel=&quot;nofollow&quot; href=&quot;https://cts.businesswire.com/ct/CT?id=smartlink&amp;amp;url=http%3A%2F%2Fwww.tetratech.com%2F&amp;amp;esheet=54554639&amp;amp;newsitemid=20260615894742&amp;amp;lan=en-US&amp;amp;anchor=Tetra+Tech%2C+Inc.&amp;amp;index=1&amp;amp;md5=18f5c5af4d8f3146e51db1efc086c4d7&quot; shape=&quot;rect&quot;&gt;Tetra Tech, Inc.&lt;/a&gt; (NASDAQ: TTEK), a leading provider of high-end consulting and engineering services in water, environment, and sustainable infrastructure, announced today that Scotland Excel, the country’s Centre of Procurement Expertise for local government, has selected Tetra Tech to support critical infrastructure projects and environmental resiliency across Scotland.

&lt;/p&gt;&lt;p&gt;
Tetra Tech has secured positions on all nine services lots of the Scotland Excel Engineering and Technical Consultancy Framework. Under the 4-year multiple-award contract, our specialist teams will support local councils across Scotland to plan, deliver, and manage projects effectively. Tetra Tech experts</description>
   <guid isPermaLink="true">http://www.streetinsider.com/Press+Releases/Tetra+Tech+Secures+Positions+on+Scotland+Excel+Engineering+and+Technical+Consultancy+Framework/26651406.html</guid>
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   <title>Tetra Tech Secures Positions on Scotland Excel Engineering and Technical Consultancy Framework</title>
   <link>http://www.streetinsider.com/Press+Releases/Tetra+Tech+Secures+Positions+on+Scotland+Excel+Engineering+and+Technical+Consultancy+Framework/26651406.html</link>
   <description>
&lt;p&gt;    PASADENA, Calif.--(BUSINESS WIRE)--
&lt;a target=&quot;_blank&quot; rel=&quot;nofollow&quot; href=&quot;https://cts.businesswire.com/ct/CT?id=smartlink&amp;amp;url=http%3A%2F%2Fwww.tetratech.com%2F&amp;amp;esheet=54554639&amp;amp;newsitemid=20260615894742&amp;amp;lan=en-US&amp;amp;anchor=Tetra+Tech%2C+Inc.&amp;amp;index=1&amp;amp;md5=18f5c5af4d8f3146e51db1efc086c4d7&quot; shape=&quot;rect&quot;&gt;Tetra Tech, Inc.&lt;/a&gt; (NASDAQ: TTEK), a leading provider of high-end consulting and engineering services in water, environment, and sustainable infrastructure, announced today that Scotland Excel, the country’s Centre of Procurement Expertise for local government, has selected Tetra Tech to support critical infrastructure projects and environmental resiliency across Scotland.

&lt;/p&gt;&lt;p&gt;
Tetra Tech has secured positions on all nine services lots of the Scotland Excel Engineering and Technical Consultancy Framework. Under the 4-year multiple-award contract, our specialist teams will support local councils across Scotland to plan, deliver, and manage projects effectively. Tetra Tech experts</description>
   <guid isPermaLink="true">http://www.streetinsider.com/Press+Releases/Tetra+Tech+Secures+Positions+on+Scotland+Excel+Engineering+and+Technical+Consultancy+Framework/26651406.html</guid>
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   <title>Tetra Tech Secures Positions on Scotland Excel Engineering and Technical Consultancy Framework</title>
   <link>http://www.streetinsider.com/Press+Releases/Tetra+Tech+Secures+Positions+on+Scotland+Excel+Engineering+and+Technical+Consultancy+Framework/26651406.html</link>
   <description>
&lt;p&gt;    PASADENA, Calif.--(BUSINESS WIRE)--
&lt;a target=&quot;_blank&quot; rel=&quot;nofollow&quot; href=&quot;https://cts.businesswire.com/ct/CT?id=smartlink&amp;amp;url=http%3A%2F%2Fwww.tetratech.com%2F&amp;amp;esheet=54554639&amp;amp;newsitemid=20260615894742&amp;amp;lan=en-US&amp;amp;anchor=Tetra+Tech%2C+Inc.&amp;amp;index=1&amp;amp;md5=18f5c5af4d8f3146e51db1efc086c4d7&quot; shape=&quot;rect&quot;&gt;Tetra Tech, Inc.&lt;/a&gt; (NASDAQ: TTEK), a leading provider of high-end consulting and engineering services in water, environment, and sustainable infrastructure, announced today that Scotland Excel, the country’s Centre of Procurement Expertise for local government, has selected Tetra Tech to support critical infrastructure projects and environmental resiliency across Scotland.

&lt;/p&gt;&lt;p&gt;
Tetra Tech has secured positions on all nine services lots of the Scotland Excel Engineering and Technical Consultancy Framework. Under the 4-year multiple-award contract, our specialist teams will support local councils across Scotland to plan, deliver, and manage projects effectively. Tetra Tech experts</description>
   <guid isPermaLink="true">http://www.streetinsider.com/Press+Releases/Tetra+Tech+Secures+Positions+on+Scotland+Excel+Engineering+and+Technical+Consultancy+Framework/26651406.html</guid>
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  <item>
   <title>Tetra Tech Secures Positions on Scotland Excel Engineering and Technical Consultancy Framework</title>
   <link>http://www.streetinsider.com/Business+Wire/Tetra+Tech+Secures+Positions+on+Scotland+Excel+Engineering+and+Technical+Consultancy+Framework/26651406.html</link>
   <description>
&lt;p&gt;    PASADENA, Calif.--(BUSINESS WIRE)--
&lt;a target=&quot;_blank&quot; rel=&quot;nofollow&quot; href=&quot;https://cts.businesswire.com/ct/CT?id=smartlink&amp;amp;url=http%3A%2F%2Fwww.tetratech.com%2F&amp;amp;esheet=54554639&amp;amp;newsitemid=20260615894742&amp;amp;lan=en-US&amp;amp;anchor=Tetra+Tech%2C+Inc.&amp;amp;index=1&amp;amp;md5=18f5c5af4d8f3146e51db1efc086c4d7&quot; shape=&quot;rect&quot;&gt;Tetra Tech, Inc.&lt;/a&gt; (NASDAQ: TTEK), a leading provider of high-end consulting and engineering services in water, environment, and sustainable infrastructure, announced today that Scotland Excel, the country’s Centre of Procurement Expertise for local government, has selected Tetra Tech to support critical infrastructure projects and environmental resiliency across Scotland.

&lt;/p&gt;&lt;p&gt;
Tetra Tech has secured positions on all nine services lots of the Scotland Excel Engineering and Technical Consultancy Framework. Under the 4-year multiple-award contract, our specialist teams will support local councils across Scotland to plan, deliver, and manage projects effectively. Tetra Tech experts</description>
   <guid isPermaLink="true">http://www.streetinsider.com/Business+Wire/Tetra+Tech+Secures+Positions+on+Scotland+Excel+Engineering+and+Technical+Consultancy+Framework/26651406.html</guid>
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   	  </item>
  <item>
   <title>Tetra Tech Secures Positions on Scotland Excel Engineering and Technical Consultancy Framework</title>
   <link>http://www.streetinsider.com/Business+Wire/Tetra+Tech+Secures+Positions+on+Scotland+Excel+Engineering+and+Technical+Consultancy+Framework/26651406.html</link>
   <description>
&lt;p&gt;    PASADENA, Calif.--(BUSINESS WIRE)--
&lt;a target=&quot;_blank&quot; rel=&quot;nofollow&quot; href=&quot;https://cts.businesswire.com/ct/CT?id=smartlink&amp;amp;url=http%3A%2F%2Fwww.tetratech.com%2F&amp;amp;esheet=54554639&amp;amp;newsitemid=20260615894742&amp;amp;lan=en-US&amp;amp;anchor=Tetra+Tech%2C+Inc.&amp;amp;index=1&amp;amp;md5=18f5c5af4d8f3146e51db1efc086c4d7&quot; shape=&quot;rect&quot;&gt;Tetra Tech, Inc.&lt;/a&gt; (NASDAQ: TTEK), a leading provider of high-end consulting and engineering services in water, environment, and sustainable infrastructure, announced today that Scotland Excel, the country’s Centre of Procurement Expertise for local government, has selected Tetra Tech to support critical infrastructure projects and environmental resiliency across Scotland.

&lt;/p&gt;&lt;p&gt;
Tetra Tech has secured positions on all nine services lots of the Scotland Excel Engineering and Technical Consultancy Framework. Under the 4-year multiple-award contract, our specialist teams will support local councils across Scotland to plan, deliver, and manage projects effectively. Tetra Tech experts</description>
   <guid isPermaLink="true">http://www.streetinsider.com/Business+Wire/Tetra+Tech+Secures+Positions+on+Scotland+Excel+Engineering+and+Technical+Consultancy+Framework/26651406.html</guid>
   <pubDate>Tue, 16 Jun 2026 09:00:00 -0400</pubDate>
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   	  </item>
  <item>
   <title>Tetra Tech Secures Positions on Scotland Excel Engineering and Technical Consultancy Framework</title>
   <link>http://www.streetinsider.com/Business+Wire/Tetra+Tech+Secures+Positions+on+Scotland+Excel+Engineering+and+Technical+Consultancy+Framework/26651406.html</link>
   <description>
&lt;p&gt;    PASADENA, Calif.--(BUSINESS WIRE)--
&lt;a target=&quot;_blank&quot; rel=&quot;nofollow&quot; href=&quot;https://cts.businesswire.com/ct/CT?id=smartlink&amp;amp;url=http%3A%2F%2Fwww.tetratech.com%2F&amp;amp;esheet=54554639&amp;amp;newsitemid=20260615894742&amp;amp;lan=en-US&amp;amp;anchor=Tetra+Tech%2C+Inc.&amp;amp;index=1&amp;amp;md5=18f5c5af4d8f3146e51db1efc086c4d7&quot; shape=&quot;rect&quot;&gt;Tetra Tech, Inc.&lt;/a&gt; (NASDAQ: TTEK), a leading provider of high-end consulting and engineering services in water, environment, and sustainable infrastructure, announced today that Scotland Excel, the country’s Centre of Procurement Expertise for local government, has selected Tetra Tech to support critical infrastructure projects and environmental resiliency across Scotland.

&lt;/p&gt;&lt;p&gt;
Tetra Tech has secured positions on all nine services lots of the Scotland Excel Engineering and Technical Consultancy Framework. Under the 4-year multiple-award contract, our specialist teams will support local councils across Scotland to plan, deliver, and manage projects effectively. Tetra Tech experts</description>
   <guid isPermaLink="true">http://www.streetinsider.com/Business+Wire/Tetra+Tech+Secures+Positions+on+Scotland+Excel+Engineering+and+Technical+Consultancy+Framework/26651406.html</guid>
   <pubDate>Tue, 16 Jun 2026 09:00:00 -0400</pubDate>
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  <item>
   <title>Tetra Tech Secures Positions on Scotland Excel Engineering and Technical Consultancy Framework</title>
   <link>http://www.streetinsider.com/Business+Wire/Tetra+Tech+Secures+Positions+on+Scotland+Excel+Engineering+and+Technical+Consultancy+Framework/26651406.html</link>
   <description>
&lt;p&gt;    PASADENA, Calif.--(BUSINESS WIRE)--
&lt;a target=&quot;_blank&quot; rel=&quot;nofollow&quot; href=&quot;https://cts.businesswire.com/ct/CT?id=smartlink&amp;amp;url=http%3A%2F%2Fwww.tetratech.com%2F&amp;amp;esheet=54554639&amp;amp;newsitemid=20260615894742&amp;amp;lan=en-US&amp;amp;anchor=Tetra+Tech%2C+Inc.&amp;amp;index=1&amp;amp;md5=18f5c5af4d8f3146e51db1efc086c4d7&quot; shape=&quot;rect&quot;&gt;Tetra Tech, Inc.&lt;/a&gt; (NASDAQ: TTEK), a leading provider of high-end consulting and engineering services in water, environment, and sustainable infrastructure, announced today that Scotland Excel, the country’s Centre of Procurement Expertise for local government, has selected Tetra Tech to support critical infrastructure projects and environmental resiliency across Scotland.

&lt;/p&gt;&lt;p&gt;
Tetra Tech has secured positions on all nine services lots of the Scotland Excel Engineering and Technical Consultancy Framework. Under the 4-year multiple-award contract, our specialist teams will support local councils across Scotland to plan, deliver, and manage projects effectively. Tetra Tech experts</description>
   <guid isPermaLink="true">http://www.streetinsider.com/Business+Wire/Tetra+Tech+Secures+Positions+on+Scotland+Excel+Engineering+and+Technical+Consultancy+Framework/26651406.html</guid>
   <pubDate>Tue, 16 Jun 2026 09:00:00 -0400</pubDate>
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   <title>Tetra Tech wins dam modernization contract in Washington state</title>
   <link>http://www.streetinsider.com/Corporate+News/Tetra+Tech+wins+dam+modernization+contract+in+Washington+state/26621476.html</link>
   <description>&lt;p&gt;Tetra Tech Inc. (NASDAQ: TTEK) announced it was selected as lead design engineer for a hydropower dam spillway modernization project in Washington state. The company will work as part of a team with Kuney Construction and J.F. Brennan under a multi-year contract with Chelan County Public Utility District.&lt;/p&gt;&lt;p&gt;The project involves modernizing spillway infrastructure at Rock Island Dam and Rocky Reach Dam on the Columbia River. Tetra Tech will conduct infrastructure assessments and develop new spillway gates, gate controls, and concrete rehabilitation for both facilities.&lt;/p&gt;&lt;p&gt;The company's work will include structural, mechanical and electrical analyses, seismic evaluations, and risk assessments. Tetra Tech</description>
   <guid isPermaLink="true">http://www.streetinsider.com/Corporate+News/Tetra+Tech+wins+dam+modernization+contract+in+Washington+state/26621476.html</guid>
   <pubDate>Tue, 09 Jun 2026 09:04:28 -0400</pubDate>
      	<category domain="http://rss.financialcontent.com/stocksymbol">TTEK</category>
   	  </item>
  <item>
   <title>Tetra Tech Selected as Lead Designer for Hydropower Dam Modernization Contract</title>
   <link>http://www.streetinsider.com/Press+Releases/Tetra+Tech+Selected+as+Lead+Designer+for+Hydropower+Dam+Modernization+Contract/26621264.html</link>
   <description>
&lt;p&gt;    PASADENA, Calif.--(BUSINESS WIRE)--
&lt;a target=&quot;_blank&quot; rel=&quot;nofollow&quot; href=&quot;https://cts.businesswire.com/ct/CT?id=smartlink&amp;amp;url=http%3A%2F%2Fwww.tetratech.com%2F&amp;amp;esheet=54550012&amp;amp;newsitemid=20260608468175&amp;amp;lan=en-US&amp;amp;anchor=Tetra+Tech%2C+Inc.&amp;amp;index=1&amp;amp;md5=9104e1e52d4b005fa00029a429de00ef&quot; shape=&quot;rect&quot;&gt;Tetra Tech, Inc.&lt;/a&gt; (NASDAQ: TTEK), a leading provider of high-end solutions in water, environment, and sustainable infrastructure, announced today that Tetra Tech was selected as lead design engineer, as part of the Kuney Construction and J.F. Brennan team, to provide planning, assessment, engineering, and construction services for the Progressive Design-Build (PDB) Hydropower Dam Spillway Modernization Project for Chelan County Public Utility District (PUD).

&lt;/p&gt;&lt;p&gt;
Under the single-award, multi-year contract, Tetra Tech’s engineers, scientists, and technical specialists will support the Chelan County PUD and the PDB team to develop new and resilient spillway</description>
   <guid isPermaLink="true">http://www.streetinsider.com/Press+Releases/Tetra+Tech+Selected+as+Lead+Designer+for+Hydropower+Dam+Modernization+Contract/26621264.html</guid>
   <pubDate>Tue, 09 Jun 2026 09:00:00 -0400</pubDate>
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   <title>Tetra Tech Selected as Lead Designer for Hydropower Dam Modernization Contract</title>
   <link>http://www.streetinsider.com/Press+Releases/Tetra+Tech+Selected+as+Lead+Designer+for+Hydropower+Dam+Modernization+Contract/26621264.html</link>
   <description>
&lt;p&gt;    PASADENA, Calif.--(BUSINESS WIRE)--
&lt;a target=&quot;_blank&quot; rel=&quot;nofollow&quot; href=&quot;https://cts.businesswire.com/ct/CT?id=smartlink&amp;amp;url=http%3A%2F%2Fwww.tetratech.com%2F&amp;amp;esheet=54550012&amp;amp;newsitemid=20260608468175&amp;amp;lan=en-US&amp;amp;anchor=Tetra+Tech%2C+Inc.&amp;amp;index=1&amp;amp;md5=9104e1e52d4b005fa00029a429de00ef&quot; shape=&quot;rect&quot;&gt;Tetra Tech, Inc.&lt;/a&gt; (NASDAQ: TTEK), a leading provider of high-end solutions in water, environment, and sustainable infrastructure, announced today that Tetra Tech was selected as lead design engineer, as part of the Kuney Construction and J.F. Brennan team, to provide planning, assessment, engineering, and construction services for the Progressive Design-Build (PDB) Hydropower Dam Spillway Modernization Project for Chelan County Public Utility District (PUD).

&lt;/p&gt;&lt;p&gt;
Under the single-award, multi-year contract, Tetra Tech’s engineers, scientists, and technical specialists will support the Chelan County PUD and the PDB team to develop new and resilient spillway</description>
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   <title>Tetra Tech Selected as Lead Designer for Hydropower Dam Modernization Contract</title>
   <link>http://www.streetinsider.com/Press+Releases/Tetra+Tech+Selected+as+Lead+Designer+for+Hydropower+Dam+Modernization+Contract/26621264.html</link>
   <description>
&lt;p&gt;    PASADENA, Calif.--(BUSINESS WIRE)--
&lt;a target=&quot;_blank&quot; rel=&quot;nofollow&quot; href=&quot;https://cts.businesswire.com/ct/CT?id=smartlink&amp;amp;url=http%3A%2F%2Fwww.tetratech.com%2F&amp;amp;esheet=54550012&amp;amp;newsitemid=20260608468175&amp;amp;lan=en-US&amp;amp;anchor=Tetra+Tech%2C+Inc.&amp;amp;index=1&amp;amp;md5=9104e1e52d4b005fa00029a429de00ef&quot; shape=&quot;rect&quot;&gt;Tetra Tech, Inc.&lt;/a&gt; (NASDAQ: TTEK), a leading provider of high-end solutions in water, environment, and sustainable infrastructure, announced today that Tetra Tech was selected as lead design engineer, as part of the Kuney Construction and J.F. Brennan team, to provide planning, assessment, engineering, and construction services for the Progressive Design-Build (PDB) Hydropower Dam Spillway Modernization Project for Chelan County Public Utility District (PUD).

&lt;/p&gt;&lt;p&gt;
Under the single-award, multi-year contract, Tetra Tech’s engineers, scientists, and technical specialists will support the Chelan County PUD and the PDB team to develop new and resilient spillway</description>
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   <title>Tetra Tech Selected as Lead Designer for Hydropower Dam Modernization Contract</title>
   <link>http://www.streetinsider.com/Press+Releases/Tetra+Tech+Selected+as+Lead+Designer+for+Hydropower+Dam+Modernization+Contract/26621264.html</link>
   <description>
&lt;p&gt;    PASADENA, Calif.--(BUSINESS WIRE)--
&lt;a target=&quot;_blank&quot; rel=&quot;nofollow&quot; href=&quot;https://cts.businesswire.com/ct/CT?id=smartlink&amp;amp;url=http%3A%2F%2Fwww.tetratech.com%2F&amp;amp;esheet=54550012&amp;amp;newsitemid=20260608468175&amp;amp;lan=en-US&amp;amp;anchor=Tetra+Tech%2C+Inc.&amp;amp;index=1&amp;amp;md5=9104e1e52d4b005fa00029a429de00ef&quot; shape=&quot;rect&quot;&gt;Tetra Tech, Inc.&lt;/a&gt; (NASDAQ: TTEK), a leading provider of high-end solutions in water, environment, and sustainable infrastructure, announced today that Tetra Tech was selected as lead design engineer, as part of the Kuney Construction and J.F. Brennan team, to provide planning, assessment, engineering, and construction services for the Progressive Design-Build (PDB) Hydropower Dam Spillway Modernization Project for Chelan County Public Utility District (PUD).

&lt;/p&gt;&lt;p&gt;
Under the single-award, multi-year contract, Tetra Tech’s engineers, scientists, and technical specialists will support the Chelan County PUD and the PDB team to develop new and resilient spillway</description>
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   <title>Tetra Tech Selected as Lead Designer for Hydropower Dam Modernization Contract</title>
   <link>http://www.streetinsider.com/Press+Releases/Tetra+Tech+Selected+as+Lead+Designer+for+Hydropower+Dam+Modernization+Contract/26621264.html</link>
   <description>
&lt;p&gt;    PASADENA, Calif.--(BUSINESS WIRE)--
&lt;a target=&quot;_blank&quot; rel=&quot;nofollow&quot; href=&quot;https://cts.businesswire.com/ct/CT?id=smartlink&amp;amp;url=http%3A%2F%2Fwww.tetratech.com%2F&amp;amp;esheet=54550012&amp;amp;newsitemid=20260608468175&amp;amp;lan=en-US&amp;amp;anchor=Tetra+Tech%2C+Inc.&amp;amp;index=1&amp;amp;md5=9104e1e52d4b005fa00029a429de00ef&quot; shape=&quot;rect&quot;&gt;Tetra Tech, Inc.&lt;/a&gt; (NASDAQ: TTEK), a leading provider of high-end solutions in water, environment, and sustainable infrastructure, announced today that Tetra Tech was selected as lead design engineer, as part of the Kuney Construction and J.F. Brennan team, to provide planning, assessment, engineering, and construction services for the Progressive Design-Build (PDB) Hydropower Dam Spillway Modernization Project for Chelan County Public Utility District (PUD).

&lt;/p&gt;&lt;p&gt;
Under the single-award, multi-year contract, Tetra Tech’s engineers, scientists, and technical specialists will support the Chelan County PUD and the PDB team to develop new and resilient spillway</description>
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   <title>Tetra Tech Selected as Lead Designer for Hydropower Dam Modernization Contract</title>
   <link>http://www.streetinsider.com/Press+Releases/Tetra+Tech+Selected+as+Lead+Designer+for+Hydropower+Dam+Modernization+Contract/26621264.html</link>
   <description>
&lt;p&gt;    PASADENA, Calif.--(BUSINESS WIRE)--
&lt;a target=&quot;_blank&quot; rel=&quot;nofollow&quot; href=&quot;https://cts.businesswire.com/ct/CT?id=smartlink&amp;amp;url=http%3A%2F%2Fwww.tetratech.com%2F&amp;amp;esheet=54550012&amp;amp;newsitemid=20260608468175&amp;amp;lan=en-US&amp;amp;anchor=Tetra+Tech%2C+Inc.&amp;amp;index=1&amp;amp;md5=9104e1e52d4b005fa00029a429de00ef&quot; shape=&quot;rect&quot;&gt;Tetra Tech, Inc.&lt;/a&gt; (NASDAQ: TTEK), a leading provider of high-end solutions in water, environment, and sustainable infrastructure, announced today that Tetra Tech was selected as lead design engineer, as part of the Kuney Construction and J.F. Brennan team, to provide planning, assessment, engineering, and construction services for the Progressive Design-Build (PDB) Hydropower Dam Spillway Modernization Project for Chelan County Public Utility District (PUD).

&lt;/p&gt;&lt;p&gt;
Under the single-award, multi-year contract, Tetra Tech’s engineers, scientists, and technical specialists will support the Chelan County PUD and the PDB team to develop new and resilient spillway</description>
   <guid isPermaLink="true">http://www.streetinsider.com/Press+Releases/Tetra+Tech+Selected+as+Lead+Designer+for+Hydropower+Dam+Modernization+Contract/26621264.html</guid>
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   <title>Tetra Tech Selected as Lead Designer for Hydropower Dam Modernization Contract</title>
   <link>http://www.streetinsider.com/Press+Releases/Tetra+Tech+Selected+as+Lead+Designer+for+Hydropower+Dam+Modernization+Contract/26621264.html</link>
   <description>
&lt;p&gt;    PASADENA, Calif.--(BUSINESS WIRE)--
&lt;a target=&quot;_blank&quot; rel=&quot;nofollow&quot; href=&quot;https://cts.businesswire.com/ct/CT?id=smartlink&amp;amp;url=http%3A%2F%2Fwww.tetratech.com%2F&amp;amp;esheet=54550012&amp;amp;newsitemid=20260608468175&amp;amp;lan=en-US&amp;amp;anchor=Tetra+Tech%2C+Inc.&amp;amp;index=1&amp;amp;md5=9104e1e52d4b005fa00029a429de00ef&quot; shape=&quot;rect&quot;&gt;Tetra Tech, Inc.&lt;/a&gt; (NASDAQ: TTEK), a leading provider of high-end solutions in water, environment, and sustainable infrastructure, announced today that Tetra Tech was selected as lead design engineer, as part of the Kuney Construction and J.F. Brennan team, to provide planning, assessment, engineering, and construction services for the Progressive Design-Build (PDB) Hydropower Dam Spillway Modernization Project for Chelan County Public Utility District (PUD).

&lt;/p&gt;&lt;p&gt;
Under the single-award, multi-year contract, Tetra Tech’s engineers, scientists, and technical specialists will support the Chelan County PUD and the PDB team to develop new and resilient spillway</description>
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   <title>Tetra Tech Selected as Lead Designer for Hydropower Dam Modernization Contract</title>
   <link>http://www.streetinsider.com/Press+Releases/Tetra+Tech+Selected+as+Lead+Designer+for+Hydropower+Dam+Modernization+Contract/26621264.html</link>
   <description>
&lt;p&gt;    PASADENA, Calif.--(BUSINESS WIRE)--
&lt;a target=&quot;_blank&quot; rel=&quot;nofollow&quot; href=&quot;https://cts.businesswire.com/ct/CT?id=smartlink&amp;amp;url=http%3A%2F%2Fwww.tetratech.com%2F&amp;amp;esheet=54550012&amp;amp;newsitemid=20260608468175&amp;amp;lan=en-US&amp;amp;anchor=Tetra+Tech%2C+Inc.&amp;amp;index=1&amp;amp;md5=9104e1e52d4b005fa00029a429de00ef&quot; shape=&quot;rect&quot;&gt;Tetra Tech, Inc.&lt;/a&gt; (NASDAQ: TTEK), a leading provider of high-end solutions in water, environment, and sustainable infrastructure, announced today that Tetra Tech was selected as lead design engineer, as part of the Kuney Construction and J.F. Brennan team, to provide planning, assessment, engineering, and construction services for the Progressive Design-Build (PDB) Hydropower Dam Spillway Modernization Project for Chelan County Public Utility District (PUD).

&lt;/p&gt;&lt;p&gt;
Under the single-award, multi-year contract, Tetra Tech’s engineers, scientists, and technical specialists will support the Chelan County PUD and the PDB team to develop new and resilient spillway</description>
   <guid isPermaLink="true">http://www.streetinsider.com/Press+Releases/Tetra+Tech+Selected+as+Lead+Designer+for+Hydropower+Dam+Modernization+Contract/26621264.html</guid>
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   <title>Tetra Tech Selected as Lead Designer for Hydropower Dam Modernization Contract</title>
   <link>http://www.streetinsider.com/Business+Wire/Tetra+Tech+Selected+as+Lead+Designer+for+Hydropower+Dam+Modernization+Contract/26621264.html</link>
   <description>
&lt;p&gt;    PASADENA, Calif.--(BUSINESS WIRE)--
&lt;a target=&quot;_blank&quot; rel=&quot;nofollow&quot; href=&quot;https://cts.businesswire.com/ct/CT?id=smartlink&amp;amp;url=http%3A%2F%2Fwww.tetratech.com%2F&amp;amp;esheet=54550012&amp;amp;newsitemid=20260608468175&amp;amp;lan=en-US&amp;amp;anchor=Tetra+Tech%2C+Inc.&amp;amp;index=1&amp;amp;md5=9104e1e52d4b005fa00029a429de00ef&quot; shape=&quot;rect&quot;&gt;Tetra Tech, Inc.&lt;/a&gt; (NASDAQ: TTEK), a leading provider of high-end solutions in water, environment, and sustainable infrastructure, announced today that Tetra Tech was selected as lead design engineer, as part of the Kuney Construction and J.F. Brennan team, to provide planning, assessment, engineering, and construction services for the Progressive Design-Build (PDB) Hydropower Dam Spillway Modernization Project for Chelan County Public Utility District (PUD).

&lt;/p&gt;&lt;p&gt;
Under the single-award, multi-year contract, Tetra Tech’s engineers, scientists, and technical specialists will support the Chelan County PUD and the PDB team to develop new and resilient spillway</description>
   <guid isPermaLink="true">http://www.streetinsider.com/Business+Wire/Tetra+Tech+Selected+as+Lead+Designer+for+Hydropower+Dam+Modernization+Contract/26621264.html</guid>
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   <title>Tetra Tech Selected as Lead Designer for Hydropower Dam Modernization Contract</title>
   <link>http://www.streetinsider.com/Business+Wire/Tetra+Tech+Selected+as+Lead+Designer+for+Hydropower+Dam+Modernization+Contract/26621264.html</link>
   <description>
&lt;p&gt;    PASADENA, Calif.--(BUSINESS WIRE)--
&lt;a target=&quot;_blank&quot; rel=&quot;nofollow&quot; href=&quot;https://cts.businesswire.com/ct/CT?id=smartlink&amp;amp;url=http%3A%2F%2Fwww.tetratech.com%2F&amp;amp;esheet=54550012&amp;amp;newsitemid=20260608468175&amp;amp;lan=en-US&amp;amp;anchor=Tetra+Tech%2C+Inc.&amp;amp;index=1&amp;amp;md5=9104e1e52d4b005fa00029a429de00ef&quot; shape=&quot;rect&quot;&gt;Tetra Tech, Inc.&lt;/a&gt; (NASDAQ: TTEK), a leading provider of high-end solutions in water, environment, and sustainable infrastructure, announced today that Tetra Tech was selected as lead design engineer, as part of the Kuney Construction and J.F. Brennan team, to provide planning, assessment, engineering, and construction services for the Progressive Design-Build (PDB) Hydropower Dam Spillway Modernization Project for Chelan County Public Utility District (PUD).

&lt;/p&gt;&lt;p&gt;
Under the single-award, multi-year contract, Tetra Tech’s engineers, scientists, and technical specialists will support the Chelan County PUD and the PDB team to develop new and resilient spillway</description>
   <guid isPermaLink="true">http://www.streetinsider.com/Business+Wire/Tetra+Tech+Selected+as+Lead+Designer+for+Hydropower+Dam+Modernization+Contract/26621264.html</guid>
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   <title>Tetra Tech Selected as Lead Designer for Hydropower Dam Modernization Contract</title>
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   <description>
&lt;p&gt;    PASADENA, Calif.--(BUSINESS WIRE)--
&lt;a target=&quot;_blank&quot; rel=&quot;nofollow&quot; href=&quot;https://cts.businesswire.com/ct/CT?id=smartlink&amp;amp;url=http%3A%2F%2Fwww.tetratech.com%2F&amp;amp;esheet=54550012&amp;amp;newsitemid=20260608468175&amp;amp;lan=en-US&amp;amp;anchor=Tetra+Tech%2C+Inc.&amp;amp;index=1&amp;amp;md5=9104e1e52d4b005fa00029a429de00ef&quot; shape=&quot;rect&quot;&gt;Tetra Tech, Inc.&lt;/a&gt; (NASDAQ: TTEK), a leading provider of high-end solutions in water, environment, and sustainable infrastructure, announced today that Tetra Tech was selected as lead design engineer, as part of the Kuney Construction and J.F. Brennan team, to provide planning, assessment, engineering, and construction services for the Progressive Design-Build (PDB) Hydropower Dam Spillway Modernization Project for Chelan County Public Utility District (PUD).

&lt;/p&gt;&lt;p&gt;
Under the single-award, multi-year contract, Tetra Tech’s engineers, scientists, and technical specialists will support the Chelan County PUD and the PDB team to develop new and resilient spillway</description>
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   <title>Tetra Tech Selected as Lead Designer for Hydropower Dam Modernization Contract</title>
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   <description>
&lt;p&gt;    PASADENA, Calif.--(BUSINESS WIRE)--
&lt;a target=&quot;_blank&quot; rel=&quot;nofollow&quot; href=&quot;https://cts.businesswire.com/ct/CT?id=smartlink&amp;amp;url=http%3A%2F%2Fwww.tetratech.com%2F&amp;amp;esheet=54550012&amp;amp;newsitemid=20260608468175&amp;amp;lan=en-US&amp;amp;anchor=Tetra+Tech%2C+Inc.&amp;amp;index=1&amp;amp;md5=9104e1e52d4b005fa00029a429de00ef&quot; shape=&quot;rect&quot;&gt;Tetra Tech, Inc.&lt;/a&gt; (NASDAQ: TTEK), a leading provider of high-end solutions in water, environment, and sustainable infrastructure, announced today that Tetra Tech was selected as lead design engineer, as part of the Kuney Construction and J.F. Brennan team, to provide planning, assessment, engineering, and construction services for the Progressive Design-Build (PDB) Hydropower Dam Spillway Modernization Project for Chelan County Public Utility District (PUD).

&lt;/p&gt;&lt;p&gt;
Under the single-award, multi-year contract, Tetra Tech’s engineers, scientists, and technical specialists will support the Chelan County PUD and the PDB team to develop new and resilient spillway</description>
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   <title>Tetra Tech Selected as Lead Designer for Hydropower Dam Modernization Contract</title>
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&lt;p&gt;    PASADENA, Calif.--(BUSINESS WIRE)--
&lt;a target=&quot;_blank&quot; rel=&quot;nofollow&quot; href=&quot;https://cts.businesswire.com/ct/CT?id=smartlink&amp;amp;url=http%3A%2F%2Fwww.tetratech.com%2F&amp;amp;esheet=54550012&amp;amp;newsitemid=20260608468175&amp;amp;lan=en-US&amp;amp;anchor=Tetra+Tech%2C+Inc.&amp;amp;index=1&amp;amp;md5=9104e1e52d4b005fa00029a429de00ef&quot; shape=&quot;rect&quot;&gt;Tetra Tech, Inc.&lt;/a&gt; (NASDAQ: TTEK), a leading provider of high-end solutions in water, environment, and sustainable infrastructure, announced today that Tetra Tech was selected as lead design engineer, as part of the Kuney Construction and J.F. Brennan team, to provide planning, assessment, engineering, and construction services for the Progressive Design-Build (PDB) Hydropower Dam Spillway Modernization Project for Chelan County Public Utility District (PUD).

&lt;/p&gt;&lt;p&gt;
Under the single-award, multi-year contract, Tetra Tech’s engineers, scientists, and technical specialists will support the Chelan County PUD and the PDB team to develop new and resilient spillway</description>
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   <pubDate>Tue, 09 Jun 2026 09:00:00 -0400</pubDate>
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   <title>Tetra Tech Selected as Lead Designer for Hydropower Dam Modernization Contract</title>
   <link>http://www.streetinsider.com/Business+Wire/Tetra+Tech+Selected+as+Lead+Designer+for+Hydropower+Dam+Modernization+Contract/26621264.html</link>
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&lt;p&gt;    PASADENA, Calif.--(BUSINESS WIRE)--
&lt;a target=&quot;_blank&quot; rel=&quot;nofollow&quot; href=&quot;https://cts.businesswire.com/ct/CT?id=smartlink&amp;amp;url=http%3A%2F%2Fwww.tetratech.com%2F&amp;amp;esheet=54550012&amp;amp;newsitemid=20260608468175&amp;amp;lan=en-US&amp;amp;anchor=Tetra+Tech%2C+Inc.&amp;amp;index=1&amp;amp;md5=9104e1e52d4b005fa00029a429de00ef&quot; shape=&quot;rect&quot;&gt;Tetra Tech, Inc.&lt;/a&gt; (NASDAQ: TTEK), a leading provider of high-end solutions in water, environment, and sustainable infrastructure, announced today that Tetra Tech was selected as lead design engineer, as part of the Kuney Construction and J.F. Brennan team, to provide planning, assessment, engineering, and construction services for the Progressive Design-Build (PDB) Hydropower Dam Spillway Modernization Project for Chelan County Public Utility District (PUD).

&lt;/p&gt;&lt;p&gt;
Under the single-award, multi-year contract, Tetra Tech’s engineers, scientists, and technical specialists will support the Chelan County PUD and the PDB team to develop new and resilient spillway</description>
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   <title>Tetra Tech Selected as Lead Designer for Hydropower Dam Modernization Contract</title>
   <link>http://www.streetinsider.com/Business+Wire/Tetra+Tech+Selected+as+Lead+Designer+for+Hydropower+Dam+Modernization+Contract/26621264.html</link>
   <description>
&lt;p&gt;    PASADENA, Calif.--(BUSINESS WIRE)--
&lt;a target=&quot;_blank&quot; rel=&quot;nofollow&quot; href=&quot;https://cts.businesswire.com/ct/CT?id=smartlink&amp;amp;url=http%3A%2F%2Fwww.tetratech.com%2F&amp;amp;esheet=54550012&amp;amp;newsitemid=20260608468175&amp;amp;lan=en-US&amp;amp;anchor=Tetra+Tech%2C+Inc.&amp;amp;index=1&amp;amp;md5=9104e1e52d4b005fa00029a429de00ef&quot; shape=&quot;rect&quot;&gt;Tetra Tech, Inc.&lt;/a&gt; (NASDAQ: TTEK), a leading provider of high-end solutions in water, environment, and sustainable infrastructure, announced today that Tetra Tech was selected as lead design engineer, as part of the Kuney Construction and J.F. Brennan team, to provide planning, assessment, engineering, and construction services for the Progressive Design-Build (PDB) Hydropower Dam Spillway Modernization Project for Chelan County Public Utility District (PUD).

&lt;/p&gt;&lt;p&gt;
Under the single-award, multi-year contract, Tetra Tech’s engineers, scientists, and technical specialists will support the Chelan County PUD and the PDB team to develop new and resilient spillway</description>
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   <title>Tetra Tech Selected as Lead Designer for Hydropower Dam Modernization Contract</title>
   <link>http://www.streetinsider.com/Business+Wire/Tetra+Tech+Selected+as+Lead+Designer+for+Hydropower+Dam+Modernization+Contract/26621264.html</link>
   <description>
&lt;p&gt;    PASADENA, Calif.--(BUSINESS WIRE)--
&lt;a target=&quot;_blank&quot; rel=&quot;nofollow&quot; href=&quot;https://cts.businesswire.com/ct/CT?id=smartlink&amp;amp;url=http%3A%2F%2Fwww.tetratech.com%2F&amp;amp;esheet=54550012&amp;amp;newsitemid=20260608468175&amp;amp;lan=en-US&amp;amp;anchor=Tetra+Tech%2C+Inc.&amp;amp;index=1&amp;amp;md5=9104e1e52d4b005fa00029a429de00ef&quot; shape=&quot;rect&quot;&gt;Tetra Tech, Inc.&lt;/a&gt; (NASDAQ: TTEK), a leading provider of high-end solutions in water, environment, and sustainable infrastructure, announced today that Tetra Tech was selected as lead design engineer, as part of the Kuney Construction and J.F. Brennan team, to provide planning, assessment, engineering, and construction services for the Progressive Design-Build (PDB) Hydropower Dam Spillway Modernization Project for Chelan County Public Utility District (PUD).

&lt;/p&gt;&lt;p&gt;
Under the single-award, multi-year contract, Tetra Tech’s engineers, scientists, and technical specialists will support the Chelan County PUD and the PDB team to develop new and resilient spillway</description>
   <guid isPermaLink="true">http://www.streetinsider.com/Business+Wire/Tetra+Tech+Selected+as+Lead+Designer+for+Hydropower+Dam+Modernization+Contract/26621264.html</guid>
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