Exhibit 99.1 3M First-Quarter Results Driven by Strong Operational Performance; Company Initiates Full-Year 2024 Guidance Reflecting Completion of Solventum Spin • Company delivers strong first quarter results: - Sales of $8.0 billion, down 0.3% YoY; adjusted sales of $7.7 billion with organic growth up ~1% YoY - GAAP earnings per share of $1.67, down 5% YoY; adjusted earnings of $2.39, up double digits YoY • Successfully completed the spin of Solventum on April 1st • Finalized legal settlements for Public ...