#1Investor Presentation 101 ++ 9 DE K መበ Amphenol Enabling the Electronics Revolution Sept 2022#2Disclosures Forward Looking Statements This presentation contains statements that are intended to be “forward-looking statements" within the meaning of Section 27A of the Securities Act of 1933, and Section 21E of the Securities Exchange Act of 1934, as amended. All statements, other than statements of historical facts, included in this presentation that address activities, events or developments that the Company expects or anticipates will or may occur in the future are forward-looking statements. These statements are based on certain assumptions and analyses made by the Company in light of its experience and its perception of historical trends, current conditions and expected future developments, as well as other factors it believes are appropriate under the circumstances. Forward-looking statements may be identified through the use of terms such as “expect,” “may,” “will,” “should,” “intend,” “plan,” “guidance," "outlook" and/or other similar expressions generally intended to identify forward-looking statements. Such forward-looking statements are not guarantees of future performance and involve risks and uncertainties, and actual results may differ materially from those projected in the forward-looking statements. Factors that might cause or contribute to a material difference include, but are not limited to, risks and uncertainties associated with the COVID-19 pandemic; uncertainties associated with a protracted economic slowdown; uncertainties and volatility in the global capital markets; and other governmental, political, economic, public health, end-market, competitive, technological, acquisition-related, cybersecurity, government contracting, intellectual property, changes in fiscal or tax policies, litigation and foreign currency-related risk factors that may affect the Company's operations, products, markets, suppliers, customers and prices. Details regarding various significant risks and uncertainties that may affect our operating and financial performance can be found in the Company's Annual Report on Form 10-K, Quarterly Reports on Form 10-Q and other Company filings with the Securities and Exchange Commission including Current Reports on Form 8-K. Forward-looking statements set forth in this presentation speak only as of the date of this presentation and the Company does not undertake any obligation to revise or update these statements whether as a result of new information, future events or otherwise, except as required by law. Non-GAAP Financial Measures The balances included within this presentation are prepared in accordance with accounting principles generally accepted in the United States of America ("GAAP"). This presentation also contains certain non-GAAP financial information, including Adjusted Operating Margin and Adjusted Diluted EPS (collectively, "non-GAAP financial measures"), which are intended to supplement the reported GAAP results. Management believes that such non-GAAP financial measures may be helpful to investors in assessing the Company's overall financial performance, trends and period-over-period comparative results. The non-GAAP financial measures are defined within the Company's Annual Report on Form 10-K and should be read in conjunction with the Company's financial statements presented in accordance with GAAP. 2 Amphenol#3Amphenol: Enabling Electronics Everywhere 2021 Sales By Market Commercial Aerospace 2% Industrial 25% Leading provider of high-technology interconnect, antenna and sensor solutions Military 11% Broadband Automotive 20% $10.9B Sales 20.0% Adjusted Operating Margin $2.48 Adjusted Diluted EPS 4% Mobile Networks 5% IT Datacom 21% Mobile Devices 12% By Geography $1.2B Free Cash Flow 3 Based on 2021 financial data North America Asia 33% 45% Europe 19% ROW 3% ~90,000 employees worldwide Broad Global Capabilities Amphenol#4Delivering superior performance in an uncertain environment 4 Prioritizing safety and health amidst ongoing COVID-19 pandemic Committed to protecting our employees around the world Quick reactivity • Proud of our organization's accomplishments in a constantly changing environment Focused on customers Quickly reacting to support customers in changing supply chain and inflationary environment Diversity and agility driving performance Combination of end-market diversification and organizational agility driving out-performance Continued flexible and balanced capital allocation strategy Increased dividend by 38% and repurchased 9.3 million split-adjusted shares in 2021; active M&A pipeline Strong balance sheet . Excellent liquidity including more than $1.3 billion in cash as of June 30, 2022 Amphenol#5Revenue 90-Year History of Innovation and Success $10B $8B Foundation $6B 1932: Arthur Schmitt founds American Phenolic Corp. in Chicago, Illinois $4B BUNKER RAMO Privately Owned Subsidiary $2B 1942: Company incorporated as Amphenol 1957: Amphenol Electronics Corporation lists on the NYSE 1967: Amphenol purchased by Bunker Ramo Allied's Amphenol To Be Sold to LPL APH Publicly Listed on NYSE KKR Investment (1997-2004) 2013: APH enters sensor market with GE Advanced Sensors acquisition LISTED 1981: Bunker 1987: LPL Investment Amphenol APH LISTED 1991: APH IPOs on the NYSE NYSE NYSE Ramo purchased buys Amphenol by Allied 2021: APH celebrates 30 years on the NYSE 1932 1960 1970 1980 1990 2000 2010 LO 5 2022 Amphenol#6Delivering Long-Term Industry-Leading Results 10-year Sales CAGR 11% $8,599 $8,202 $8,225 $7,011 $6,286 $5,569 $5,346 $4,615 $4,292 6 10-year EPS CAGR 12% $11,934 $10,876 $1.56 $1.36 $1.21 $1.12 $0.96 $0.87 $1.88 $1.87 $1.87 $2.77 $2.48 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 LTM 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 LTM Adjusted Diluted EPS Sales in $M • • • Industry-leading growth and operating margin for over a decade High-quality of earnings Strong cash flow generation in all business cycles Flexible and balanced capital deployment strategy CAGR calculated from 2012 to Last Twelve Months (LTM). EPS reflects stock splits. Amphenol#77 Superior Shareholder Returns Through All Cycles $90 $80 $70 $60 $50 $40 $30 $20 $10 $0 20-year CAGR 18% 2002 2003 2004 2005 2006- 2007 - Share Price Performance 2008 2009 2010 2011 2012 Bloomberg share price data, which reflects stock splits. CAGR calculated from 6/30/2002 to 6/30/2022. 2013 2014 2015- 2016 2017 2018 2019 2020 2021 2022 8/31/22 Amphenol#8Consistent High-Performance Strategy 8 Complementary Acquisitions Technology Diversity Global Low Cost Entrepreneurial Organization Strength through all cycles Mobile Networks Mobile Devices IT / Datacom Broadband Auto Industrial Military/Aerospace Amphenol#9Enabling the Electronics Revolution 9 Clean and Efficient • Environmentally friendly More power efficient Connected and Mobile . Always on Available anywhere High speed . 5G capable and beyond Increased bandwidth Harsh environment Ruggedized Extreme vibration, temperature, pressure Increased complexity Multiple connections Next-generation applications Amphenol#10Balanced and Broad Market Position Longer-cycle markets Military 11% Commercial Aerospace 2% Our high-technology solutions enable electronics in every industry Broadband 4% Mobile Networks 5% No market >25% of sales in 2021 10 Based on 2021 financial data IT Datacom 21% Industrial End-market diversification provides: Less volatility Broad technology visibility Proliferation of our know-how 25% Automotive 20% Mobile Devices 12% Shorter-cycle markets Amphenol#11Leading Interconnect Technologies Extending the reach of the interconnect system Connectors 888 0000000 Antennas Sensors Core pillars of technology innovation Harsh Environment High Speed 11 Flex PCB Cables Value-add Power Sensors Radio Frequency Fiber Optics Amphenol#12Disciplined Acquisition Program Creating Consistent Value Management • Technology • Acquirer of choice Successful acquisition program in a fragmented but consolidating industry Focused on high-quality management teams with complementary technology Approximately 50 companies acquired in the last 10 years Charles CONEC • Market Position Target acquisitions to account for approximately one-third of growth SSI FCI CTI Industries CTI Global SUNPOOL Invotec Tel-Ad - Electronics Ltd. GE Advanced Sensors Group TECVOX connecting via innovation. 金事达电气有限公司 AUXELFTG Gold-Star Electric Systems Co.,ltd PROCOM SGX SENSORTECH HOLLAND Electronics LLC NELSON DUNN Deutgen Kunststofftechnik GRIFFITH 12 ionix Systems JET DCELECTRONICS 2012 2013 CASCO DOCHARM ALL SYSTEMS BROADBAND LD 东辰 CUSTOMCABLE wwww AN MPLIGHTWAVE COMPANY 2014 2015 2016 PHITEK (i2s Telect Wilcoxon SENSING TECHNOLOGIES Piezo Technologies PIHER sensing 2017 systems ARDENT CONCEPTS An Anphenol Company ALL SENSORS 2018 TECHNOLOGY IN CONNECTORS.. BERND connections for life GJM XGIGA Aorora Cablescan MAKING THE CONNECTION KOPEK INDUSTRIES 2019 on anon Innovate Design Manufacture EXATHERMOMETRICS EXACTING TEMPERATURE SENSING 2020 Acquisition program helps support robust sales growth O Halo UNLIMITED SERVICES CABELCON connectors EUROMICRON M MTS EC El-Cab Positronic 2021 NPI 2022 Amphenol#13Committed to Sustainable Business Practices Operating sustainably is not just the right thing to do, it is simply good business . • • Corporate Governance Committed to sound corporate governance policies Of our 9 Directors: 8 are independent, 3 are women and 1 identifies as both racially diverse and LGBTQ+ Diversity and Inclusion Global diversity of our workforce is a key pillar of our success Inclusive working environment where all employees are respected and treated equitably Message is emphasized from the top down to each of our employees Men 71% Core Management Group • Women 28% Global Workforce North America 23% • Our global workforce reflects the regions in which we operate Environmental Added 2 additional short-term Sustainability Goals in 2021 after achieved 2 of our 8 short-term goals in 2020 Greenhouse Gas Emissions 2022 goal to reduce our revenue-normalized Scope 1 and Scope 2 GHG emissions by 10% vs. 2018 levels Expanded our GHG emissions reporting to include five Scope 3 categories in 2021 Water Use Reduced water withdrawal intensity by 26% over 4 years Complete a water risk screening of our global facilities annually Waste Disposal • Reusing, recycling or recovering 65% of our total waste 13 Based on 2021 data Europe 15% Asia ROW 61% 1% Amphenol#14Unique Entrepreneurial Culture 14 Agile HQ 3 Divisions Operating Groups General Managers Empowered and Accountable C Accountable Passionate Talented Amphenol#15Creating Sustained Long-Term Value 15 • Unique entrepreneurial culture • High-performance culture Agile, empowered and accountable Balanced market diversification No market more than 25% of sales Ideal balance of long- and short-cycle markets Global presence and reach . Sales in ~70 countries across 6 continents Technology solutions positioned for secular growth • Enabling the Electronics Revolution Disciplined acquisition strategy Acquirer of choice and long-term value creator Our long-term goals Grow sales faster than our markets Deliver strong contribution margin + Strong free cash flow for reinvestment Responsible corporate citizen • Committed to sustainable business practices Sustained Value Creation Amphenol#169 101 ++ DE K Amphenol Enabling the Electronics Revolution መበ