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AMPHENOL CORP /DE/

For the period ended Dec 31, 2025. Filed Feb 11, 2026.

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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.

FY2025 · Filed Feb 11, 2026

APH$80.71+8.2%Stored close · as of Nov 9, 2026

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Contents

Reportable Business Segments

The Company’s strategy is to provide our customers with comprehensive design capabilities, a broad selection of products and a high level of quality and service on a worldwide basis, while maintaining continuing programs of productivity improvement and cost control. The Company aligns its businesses into three reportable business segments:(i)*Communications Solutions,(ii)Harsh Environment Solutions and(iii)* Interconnect and Sensor Systems. This alignment and segment structure reinforces the Company’s entrepreneurial culture and enables clear accountability of each of our business unit general managers, while enhancing the scalability of Amphenol’s business for the future. The Company has three segment managers who lead their respective reportable business segments, each reporting directly to the Company’s Chief Executive Officer. All segment information throughout this Annual Report is presented under our three reportable segments.

A description of each of our reportable business segments is as follows:

Communications Solutions – the Communications Solutions segment designs, manufactures and markets a broad range of connector and interconnect systems, including high speed, radio frequency, power, fiber optic and other interconnect products; coaxial, fiber optic, power and high-speed cable; antennas; and other products.

Harsh Environment Solutions – the Harsh Environment Solutions segment designs, manufactures and markets a broad range of ruggedized interconnect products, including connectors and interconnect systems, specialty cable, printed circuits and printed circuit assemblies and other products.

Interconnect and Sensor Systems – the Interconnect and Sensor Systems segment designs, manufactures and markets a broad range of sensors, sensor-based systems, connectors and value-add interconnect systems.

The following table provides a summary of the end markets that we service and our key products within each of the three reportable business segments:

Reporting Segment​ ​ ​Communications Solutions​ ​ ​Harsh Environment Solutions​ ​ ​Interconnect and Sensor Systems
​​​​​​​
% of 2025 Net Sales:52%26%22%
​​​​​​​
End Markets​● ​ ​Automotive● ​ ​Commercial Aerospace ● ​ ​Communications Networks● ​ ​Defense● ​ ​Industrial● ​ ​Information Technology and Data Communications● ​ ​Mobile Devices​● ​ ​Automotive● ​ ​Commercial Aerospace● ​ ​Communications Networks● ​ ​Defense● ​ ​Industrial● ​ ​Information Technology and Data Communications​​● ​ ​Automotive● ​ ​Commercial Aerospace● ​ ​Communications Networks● ​ ​Defense● ​ ​Industrial● ​ ​Information Technology and Data Communications​
​​​​​​​
Key Products​Connectors and Connector Systems:● ​ ​fiber optic interconnect products● ​ ​high-speed interconnect products● ​ ​radio frequency interconnect products​Value-Add Products:● ​ ​cable assemblies and harnesses​Antennas:● ​ ​consumer device antennas● ​ ​network infrastructure antennas​Cable:● ​ ​coaxial, fiber optic, power and specialty cable​Other:● ​ ​hinges and other mechanical products● ​ ​production-related products​Connectors and Connector Systems:● ​ harsh environment data, power, fiber optic and radio frequency interconnect products ​Value-Add Products:● ​ ​backplane interconnect systems● ​ ​cable assemblies and harnesses● cable management products​Cable:● ​ ​coaxial and specialty cable​Other:● ​ ​flexible and rigid printed circuit boards​Connectors and Connector Systems:● ​ ​busbars and power distribution systems● ​ ​power interconnect products​Value-Add Products:● ​ ​backplane interconnect systems● ​ ​cable assemblies and harnesses​Sensors and Sensor-based Products:● ​ ​force● ​ ​gas and moisture● ​ ​level● ​ ​position● ​ ​pressure● ​ ​temperature● ​ ​vibration

For further details related to the Company’s reportable business segments, information regarding the Company’s operations and results by reportable segment, as well as the Company’s net sales and long-lived assets by geographic area, refer to Note 13 of the Notes to Consolidated Financial Statements.

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