1 unchanged sentence
Trading Arrangements
−Removed: During the three months ended March 31, 2026, no director or officer of the Company adopted or terminated a “Rule 10b5-1 trading arrangement” or “ no n-Rule 10b5-1 trading arrangement,” as each term is defined in Item 408 of Regulation S-K.
+Added: During the three months ended June 30, 2026, no director or officer of the Company adopted or terminated a “Rule 10b5-1 trading arrangement” or “ no n-Rule 10b5-1 trading arrangement,” as each term is defined in Item 408 of Regulation S-K.
Restated Certificate of Incorporation of Amphenol Corporation, dated May 19, 2021 (filed as Exhibit 3.1 to the June 30, 2021 Form 10-Q).*
12 unchanged sentences
Officer’s Certificate, dated September 14, 2021, establishing the 2.200% Senior Notes due 2031 pursuant to the Indenture (filed as Exhibit 4.2 to the Form 8-K filed on September 14, 2021).*
−Removed: Officer’s Certificate, dated March 30, 2023, establishing the 4.750% Senior Notes due 2026 pursuant to the Indenture (filed as Exhibit 4.2 to the Form 8-K filed on March 30, 2023).*
Officer’s Certificate, dated April 5, 2024, establishing the 5.050% Senior Notes due 2027, 5.050% Senior Notes due 2029, and 5.250% Senior Notes due 2034, pursuant to the Indenture (filed as Exhibit 4.2 to the Form 8-K filed on April 5, 2024).*
4 unchanged sentences
Officers’ Certificate, dated March 30, 2026, establishing the 3.625% Senior Notes due 2031, pursuant to the Indenture (filed as Exhibit 4.2 to the Form 8-K filed on March 30, 2026).*
+Added: Officers’ Certificate, dated May 12, 2026, establishing the 3.375% Senior Notes due 2029 and the 3.875% Senior Notes due 2034, pursuant to the Indenture (filed as Exhibit 4.2 to the Form 8-K filed on May 12, 2026).*
Description of the Registrant’s Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934 (filed as Exhibit 4.14 to the December 31, 2025 Form 10-K).*
62 unchanged sentences
and Principal Financial Officer)
+Added: July 31, 2026
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.