Book size: 3900; Registration: SEC Registered; Comments: EUR500m NG 5yr fxd cpn 3.625% at 99.838, yld 3.661%. Spread: MS+75bps. OBL 2.2% 10/30 @ 97.770 / 2.725% / b+93.6bps (HR: 108%). Par Call: 3m. MWC: B+15. CoC: 101%. LEI: 549300110BRSS7DV8V39;

Reoffer: 5yr: MS+75bp / 99.838 / 3.661% Benchmark: 5yr: OBL 2.2% 30-Oct-26 @ 97.770 / B+93.6bp (HR: 108%) Final Books: Orderbooks in excess of €4bn Launched: 5yr: €500m @ MS+75bp - Orderbooks in excess of €4bn IPTs: 5yr: MS+110a Issuer: Amphenol Technologies Holding GmbH LEI Code: 549300110BRSS7DV8V39 Guarantor: Amphenol Corporation Expected Issue Ratings: A3/A- (Moody's/S&P) Format: Senior Unsecured Notes Settlement Date: 30-Mar-26 (T+4) Tenor: 5-year Size: €500m Maturity Date: 30-Mar-31 Reoffer: MS+75bp / 99.838 / 3.661% Coupon: 3.625% Fixed, Annual, ACT/ACT (ICMA) BMK: OBL 2.2% 30-Oct-26 @ 97.770 / 2.725% / b+93.6bp (HR: 108%) Make-whole Call: Yes, B+15bp Par Call: Yes, 3-months Change of Control: Yes, 101% ISIN / Common Code: XS3316225757 / 331622575 Use of Proceeds: Amphenol Technologies intends to use the net proceeds from this offering to repay its outstanding 0.750% 2026 Notes at maturity and for general corporate purposes. Denominations: €100,000 x €1,000 Listing: Euronext Dublin Docs: SEC Registered / New York Law Clearing: Euroclear and Clearstream Sales into Canada: Yes, via exemption Selling Restrictions: As per the Preliminary Prospectus Supplement Stabilization: Relevant stabilization regulations including FCA/ICMA apply Target Market: MiFID II and UK MiFIR professionals / ECPs-only / No EEA PRIIPs or UK PRIIPs KID Active Bookrunners: Barclays, Citigroup (B&D), Commerzbank, HSBC Timing: Priced. TOE: 15:27 CET / 14:27 UKT; FTT: subject to TS

Amphenol Corp

To repay its outstanding 0.750% 2026 Notes at maturity and for general corporate purposes.