3M CO

Insider Trading Arrangements and Policies

During thequarter ended December 31, 2025, no director or officer of the Company adopted orterminated a “Rule 10b5-1 trading arrangement” or “non-Rule 10b5-1 trading arrangement,” as each term is defined in Item 408(a) of Regulation S-K.

Disclosure Under Iran Threat Reduction and Syria Human Rights Act of 2012

The Company is making the following disclosure under Section 13(r) of the Exchange Act:

Protection of Intellectual Property Rights in Iran Pursuant to Specific License

As part of its intellectual property (“IP”) protection efforts, 3M has obtained and maintains patents and trademarks in Iran. Periodically, 3M pays renewal fees, through third-party IP service providers/counsel, to the Iran Intellectual Property Office (“IIPO”) for these patents and trademarks and has sought to prosecute and defend such trademarks. On August 18, 2025, the Office of Foreign Assets Control (“OFAC”) granted 3M a specific license to make payments to IIPO at its account at the Central Bank of Iran, which was designated on September 20, 2019, by OFAC under its counter terrorism authority pursuant to Executive Order 13224. 3M made a covered payment of $1,575 in the quarter ended December 31, 2025.3M did not have any other covered payments during 2025.