Howmet Aerospace(HWM) - 2025 Q1 - Quarterly Results

Exhibit 99.1 FOR IMMEDIATE RELEASE Paul.Luther@howmet.com Rob.Morrison@howmet.com First Quarter 2025 Adjusted Financial Results 2025 Guidance: Includes current assumptions of tariff impacts | | | Q2 2025 Guidance | | | FY 2025 Guidance | | | --- | --- | --- | --- | --- | --- | --- | | | Low | Baseline | High | Low | Baseline | High | | Revenue | $1.980B |$1.990B | $2.000B |$7.880B | $8.030B |$8.180B | | Adj. EBITDA | $555M |$560M | $565M |$2.225B | $2.250B |$2.275B | | Adj. EBITDA Margin | 28.0% | 28. ...