MMM · 3M Co

Includes shares acquired under 3M's General Employee Stock Purchase Plan.

Includes dividend share equivalents, accrued quarterly, pursuant to 3M's Deferred Compensation Plan.

Includes shares acquired pursuant to 3M's Dividend Reinvestment Plan.

Includes shares acquired under 3M's General Employee Stock Purchase Plan.

Includes dividend share equivalents, accrued quarterly, pursuant to 3M's Deferred Compensation Plan.

Each restricted stock unit represents a contingent right to receive one share of 3M common stock.

The restricted stock units will vest in two equal installments beginning on July 1, 2025.

This non-employee director has elected to defer all or a portion of compensation otherwise payable in cash or stock to a common stock equivalents account under the terms of 3M's Compensation Plan for Non-employee Directors and has no voting or investment powers with respect to such account.

Includes acquisition of deferred dividend reinvestment shares pursuant to 3M's Compensation Plan for Non-Employee Directors.

This non-employee director has elected to defer all or a portion of compensation otherwise payable in cash or stock to a common stock equivalents account under the terms of 3M's Compensation Plan for Non-employee Directors and has no voting or investment powers with respect to such account.

Includes acquisition of deferred dividend reinvestment shares pursuant to 3M's Compensation Plan for Non-Employee Directors.

This non-employee director has elected to defer all or a portion of compensation otherwise payable in cash or stock to a common stock equivalents account under the terms of 3M's Compensation Plan for Non-employee Directors and has no voting or investment powers with respect to such account.

Includes acquisition of deferred dividend reinvestment shares pursuant to 3M's Compensation Plan for Non-Employee Directors.

This non-employee director has elected to defer all or a portion of compensation otherwise payable in cash or stock to a common stock equivalents account under the terms of 3M's Compensation Plan for Non-employee Directors and has no voting or investment powers with respect to such account.

Includes acquisition of deferred dividend reinvestment shares pursuant to 3M's Compensation Plan for Non-Employee Directors.

This non-employee director has elected to defer all or a portion of compensation otherwise payable in cash or stock to a common stock equivalents account under the terms of 3M's Compensation Plan for Non-employee Directors and has no voting or investment powers with respect to such account.

This non-employee director has elected to defer all or a portion of compensation otherwise payable in cash or stock to a common stock equivalents account under the terms of 3M's Compensation Plan for Non-employee Directors and has no voting or investment powers with respect to such account.

Includes acquisition of deferred dividend reinvestment shares pursuant to 3M's Compensation Plan for Non-Employee Directors.

This non-employee director has elected to defer all or a portion of compensation otherwise payable in cash or stock to a common stock equivalents account under the terms of 3M's Compensation Plan for Non-employee Directors and has no voting or investment powers with respect to such account.

Includes acquisition of deferred dividend reinvestment shares pursuant to 3M's Compensation Plan for Non-Employee Directors.

This non-employee director has elected to defer all or a portion of compensation otherwise payable in cash or stock to a common stock equivalents account under the terms of 3M's Compensation Plan for Non-employee Directors and has no voting or investment powers with respect to such account.

Includes shares acquired pursuant to 3M's Dividend Reinvestment Plan.

Each restricted stock unit represents a contingent right to receive one share of 3M common stock.

The restricted stock units vest in three equal annual installments beginning on May 3, 2025.

Each restricted stock unit represents a contingent right to receive one share of 3M common stock.

The restricted stock units vest in three equal annual installments beginning on May 3, 2025.

Each restricted stock unit represents a contingent right to receive one share of 3M common stock.

The restricted stock units vest 100% three years from the grant date.

Includes dividend share equivalents, accrued quarterly, pursuant to 3M's Deferred Compensation Plan.

Includes shares acquired under 3M's General Employee Stock Purchase Plan.

Includes shares acquired pursuant to 3M's Dividend Reinvestment Plan.

Includes dividend share equivalents, accrued quarterly, pursuant to 3M's Deferred Compensation Plan.

Restricted stock units convert into 3M common stock on a one-for-one basis.

The final tranche of this restricted stock unit will vest on April 1, 2026.

Each restricted stock unit represents a contingent right to receive one share of 3M common stock.

The restricted stock units vest in three equal annual installments beginning on March 2, 2027.

Includes shares acquired pursuant to 3M's Dividend Reinvestment Plan.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $170.16 to $170.47.

Includes dividend share equivalents, accrued quarterly, pursuant to 3M's Deferred Compensation Plan.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $169.91 to $170.15.

The stock option will vest and become exercisable in a series of three equal installments on each of the first, second and third anniversary of the grant date.

The stock options that were exercised were omitted from Table II in the original filing.

The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $169.91 to $170.15.