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FUEL TECH, INC.

For the period ended Aug 4, 2026. Filed Aug 4, 2026.

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About this filing

A notice of a major event between regular reports, such as results, a deal or a change of executives. It is often the first formal record of the news.

Aug 4, 2026 · Filed Aug 4, 2026

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FTEK$1.35+1.5%Stored close · as of Nov 6, 2026
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EX-99.1 · Segment Data- Reporting Segments

Segment Data- Reporting Segments

Information about reporting segment net sales and gross margin from operations is provided below:

​ · ​ · AirPollution · ​ · ​ · FUEL · ​ · ​ · ​ · ​ · ​ · ​ · ​ · ​ · ​
Three months ended June 30, 2026 · ​ · Control Segment · ​ · ​ · CHEMSegment · ​ · ​ · Other · ​ · ​ · Total · ​
Revenues from external customers​$2,785​​$3,700​​$—​​$6,485​
Cost of sales​​(1,775)​​(2,035)​​—​​​(3,810)
Gross margin​​1,010​​​1,66​​​—​​​2,675​
Selling, general and administrative​​—​​​—​​​(3,594)​​(3,594)
Research and development​​—​​​—​​​(646)​​(646)
Income (loss) from operations​$1,010​​$1,66​​$(4,240)​$(1,565)
​ · ​ · AirPollution · ​ · ​ · FUEL · ​ · ​ · ​ · ​ · ​ · ​ · ​ · ​ · ​
Three months ended June 30, 2025 · ​ · Control Segment · ​ · ​ · CHEM Segment · ​ · ​ · Other · ​ · ​ · Total · ​
Revenues from external customers​$2,505​​$3,053​​$—​​$5,558​
Cost of sales​​(1,406)​​(1,623)​​—​​​(3,029)
Gross margin​​1,099​​​1,430​​​—​​​2,529​
Selling, general and administrative​​—​​​—​​​(3,347)​​(3,347)
Research and development​​—​​​—​​​(490)​​(490)
Income (loss) from operations​$1,099​​$1,430​​$(3,837)​$(1,308)
​ · ​ · AirPollution · ​ · ​ · FUEL · ​ · ​ · ​ · ​ · ​ · ​ · ​ · ​ · ​
Six months ended June 30, 2026 · ​ · Control Segment · ​ · ​ · CHEM Segment · ​ · ​ · Other · ​ · ​ · Total · ​
Revenues from external customers​$4,389​​$8,176​​$—​​$12,565​
Cost of sales​​(2,764)​​(4,482)​​—​​​(7,246)
Gross margin​​1,625​​​3,694​​​—​​​5,319​
Selling, general and administrative​​—​​​—​​​(7,310)​​(7,310)
Research and development​​—​​​—​​​(1,170)​​(1,170)
Income (loss) from operations​$1,625​​$3,694​​$(8,480)​$(3,161)
​ · ​ · AirPollution · ​ · ​ · FUEL · ​ · ​ · ​ · ​ · ​ · ​ · ​ · ​ · ​
Six months ended June 30, 2025 · ​ · Control Segment · ​ · ​ · CHEM Segment · ​ · ​ · Other · ​ · ​ · Total · ​
Revenues from external customers​$3,808​​$8,132​​$—​​$11,940​
Cost of sales​​(2,284)​​(4,168)​​—​​​(6,452)
Gross margin​​1,524​​​3,964​​​—​​​5,488​
Selling, general and administrative​​—​​​—​​​(6,688)​​(6,688)
Research and development​$—​​​—​​​(1,060)​​(1,060)
Income (loss) from operations​$1,524​​$3,964​​$(7,748)​$(2,260)
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