1 unchanged sentence
Director and Officer Trading Arrangements
−Removed: None of the Company’s directors or officers adopted or terminated a Rule 10b5-1 trading arrangement or a non-Rule 10b5-1 trading arrangement during the Company’s fiscal quarter ended June 29, 2025.
+Added: None of the Company’s directors or officers adopted or terminated a Rule 10b5-1 trading arrangement or a non-Rule 10b5-1 trading arrangement during the Company’s fiscal quarter ended September 28, 2025.
+Added: Amendment No.
+Added: 1 to Eighth Amended and Restated Employment Agreement
+Added: On October 23, 2025, following authorization by Teledyne’s Personnel and Compensation Committee and Board of Directors, Teledyne and Dr.
+Added: Robert Mehrabian, Executive Chairman of Teledyne, entered into Amendment No.
+Added: 1 to the Eighth Amended and Restated Employment, dated October 24, 2023, between Teledyne and Dr.
+Added: Mehrabian (the "Employment Agreement"), extending the expiration of the term of the Employment Agreement from December 31, 2026, to December 31, 2028.
+Added: The foregoing description of the amendment to the Employment Agreement is qualified in its entirety by reference to the full text of the amendment, which is filed as Exhibit 10.1 hereto.
Exhibit 3.1 Restated Certificate of Incorporation of Teledyne Technologies Incorporated (including Certificate of Designation of Series A Junior Participating Preferred Stock) (incorporated by reference to Exhibit 3.1 to the Company’s Annual Report on Form 10-K for the year ended January 2, 2000 (File No.
1 unchanged sentence
Exhibit 3.3 Certificate of Amendment to Teledyne’s Restated Certificate of Incorporation (incorporated by reference to the Company’s Current Report on Form 8-K dated April 22, 2025 (File No.
−Removed: Fifth Amend ed and Restated Byla ws of Teledyne (incorporated by reference to the Company ’ s Current Report on Form 8-K dated April 24, 2024 (File No.
−Removed: Exhibit 10.1 Retirement, Severance and General Release Agreement, dated as of April 30, 2025, by Edwin Roks and Teledyne Technologies I ncorporated (incorporated by reference to the Amendment No.
−Removed: 1 to the Company ’ s Current Report on Form 8-K dated April 28, 2025 (file No.
−Removed: 1-15205 ) ) †
+Added: Fifth Amended and Restated Bylaws of Teledyne (incorporated by reference to the Company’s Current Report on Form 8-K dated April 24, 2024 (File No.
+Added: Amendment N o.
+Added: 1 to Eighth Amended and Restated Employment Agreement by and between Teledyne Technologies Incorporated and Robert Mehrabian †
Exhibit 31.1 302 Certification – George C.
12 unchanged sentences
TELEDYNE TECHNOLOGIES INCORPORATED
−Removed: July 25, 2025
+Added: October 24, 2025
/s/ Stephen F.
3 unchanged sentences
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.