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FUEL TECH INC

For the period ended Dec 31, 2024. Filed Mar 4, 2025.

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About this filing

A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2024 · Filed Mar 4, 2025

FTEK$1.41+4.4%Stored close · as of Nov 9, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

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Table of Contents

Page
PART I
Item 1.Business3
Item 1A.Risk Factors7
Item 1B.Unresolved Staff Comments9
Item 1C.Cybersecurity9
Item 2.Properties9
Item 3.Legal Proceedings9
Item 4.Mine Safety Disclosures9
PART II
Item 5.Market for Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchase of Equity Securities10
Item 6.Reserved10
Item 7.Management’s Discussion and Analysis of Financial Condition and Results of Operations10
Item 7A.Quantitative and Qualitative Disclosures about Market Risk13
Item 8.Financial Statements and Supplementary Data14
Item 9.Changes in and Disagreements with Accountants on Accounting and Financial Disclosure41
Item 9A.Controls and Procedures41
Item 9B.Other Information41
PART III
Item 10.Directors, Executive Officers and Corporate Governance42
Item 11.Executive Compensation42
Item 12.Security Ownership of Certain Beneficial Owners and Management and Related Stockholder Matters42
Item 13.Certain Relationships and Related Transactions, and Director Independence42
Item 14.Principal Accountant Fees and Services42
PART IV
Item 15.Exhibits and Financial Statement Schedules43
Signatures and Certifications45

TABLE OF DEFINED TERMS

TermDefinition
AIGAmmonia Injection Grid
APCAir Pollution Control Technology
ASCR®A trademark used to describe our Advanced Selective Catalytic Reduction process
BACTBest Available Control Technology
BREFBest Available Reference Technology. European emission requirements
CFDComputational Fluid Dynamics
CKMChemical Kinetics Modeling
DGI®Dissolved Gas Infusion
EPAThe United States Environmental Protection Agency
ESPElectrostatic Precipitator
FGCFlue Gas Conditioning
FUEL CHEM®A trademark used to describe our fuel and flue gas treatment processes, including its TIFI® Targeted In-Furnace Injection™ technology to control slagging, fouling, corrosion and a variety of sulfur trioxide-related issues
GSG™A trademark used to describe our Graduated Straightening Grid
HERT™ High Energy Reagent Technology™A trademark used to describe one of our SNCR processes for the reduction of NOx
I-NOx®Systems can include SNCR components along with SCR technology, which includes AIG and GSG™ system
NOxOxides of nitrogen
NOxOUT®A trademark used to describe one of our SNCR processes for the reduction of NOx
SCRSelective Catalytic Reduction
SNCRSelective Non-Catalytic Reduction
TIFI® Targeted In-Furnace Injection™A trademark used to describe our proprietary technology that enables the precise injection of a chemical reagent into a boiler or furnace as part of a FUEL CHEM program
UDI™Urea Direct Injection as the process to provide urea reagent directly into a duct for SCR applications
ULTRA®A trademark used to describe our process for generating ammonia for use as a Selective Catalytic Reduction reagent
ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.