Source: Howmet Aerospace Engine Products rows of the segment end-market table, recast for the Q1 2026 titanium-alloy move. Q1 2025, Q4 2025, Q1 2026: Q1 2026 earnings presentation, Calculation of Segment Markets Revenue (https://www.howmet.com/wp-content/uploads/sites/3/2026/05/2026-Q1-Earnings-Presentation-Final.pdf). Q2 2025 and Q2 2026: Form 10-Q quarter ended 30 Jun 2026, Note D (https://www.sec.gov/Archives/edgar/data/4281/000000428126000025/hwm-20260630.htm) and Q2 2026 earnings presentation (https://www.howmet.com/wp-content/uploads/sites/3/2026/08/Howmet-Aerospace-2026-Q2-Earnings-Presentation.pdf). Q3 2025 and Q3 2026: Q3 2026 earnings presentation, Calculation of Segment Markets Revenue (https://www.howmet.com/wp-content/uploads/sites/3/2026/10/HWM-2026-Q3-Earnings-Presentation.pdf).

Source: Howmet Aerospace Fastening Systems rows of the segment end-market table. Q1 2024 through Q4 2025: Q4 and FY 2025 earnings presentation, Calculation of Segment Markets Revenue (https://www.howmet.com/wp-content/uploads/sites/3/2026/02/Howmet-Aerospace-2025-Q4-FY-Earnings-Presentation.pdf). Q1 2026: Q1 2026 earnings presentation (https://www.howmet.com/wp-content/uploads/sites/3/2026/05/2026-Q1-Earnings-Presentation-Final.pdf). Q2 2026: Form 10-Q quarter ended 30 Jun 2026, Note D (https://www.sec.gov/Archives/edgar/data/4281/000000428126000025/hwm-20260630.htm). Q3 2026: Q3 2026 earnings presentation, Calculation of Segment Markets Revenue (https://www.howmet.com/wp-content/uploads/sites/3/2026/10/HWM-2026-Q3-Earnings-Presentation.pdf).

Source: Howmet Aerospace Form 8-K Exhibit 99.1 HTML, Forged Wheels commercial-transportation volume year-over-year percent (not sequential, not FY, not revenue). Q1 2022: https://www.sec.gov/Archives/edgar/data/4281/000115752322000538/a52705038ex99_1.htm Q2 2022: https://www.sec.gov/Archives/edgar/data/4281/000115752322001026/a52801838ex99_1.htm Q3 2022: https://www.sec.gov/Archives/edgar/data/4281/000115752322001429/a52955564ex99_1.htm Q4 2022: https://www.sec.gov/Archives/edgar/data/4281/000115752323000273/a53321439_ex991.htm Q1 2023: https://www.sec.gov/Archives/edgar/data/4281/000115752323000673/a53390919ex99_1.htm Q2 2023: https://www.sec.gov/Archives/edgar/data/4281/000115752323001202/a53492701ex99_1.htm Q3 2023: https://www.sec.gov/Archives/edgar/data/4281/000115752323001618/a53734945ex99_1.htm Q4 2023: https://www.sec.gov/Archives/edgar/data/4281/000115752324000226/a53895480ex99_1.htm Q1 2024: https://www.sec.gov/Archives/edgar/data/4281/000110465924055980/tm2413242d1_ex99-1.htm Q2 2024: https://www.sec.gov/Archives/edgar/data/4281/000110465924083733/tm2420377d1_ex99-1.htm Q2 2025: https://www.sec.gov/Archives/edgar/data/4281/000110465925072451/tm2522109d1_ex99-1.htm Q3 2025: https://www.sec.gov/Archives/edgar/data/4281/000110465925104005/tm2529740d1_ex99-1.htm Q4 2025: https://www.sec.gov/Archives/edgar/data/4281/000110465926013832/tm266060d1_ex99-1.htm Q1 2026: https://www.sec.gov/Archives/edgar/data/4281/000110465926056645/tm2613779d1_ex99-1.htm Q2 2026: https://www.sec.gov/Archives/edgar/data/4281/000110465926091610/tm2622325d1_ex99-1.htm

Source: Howmet Aerospace segment end-market revenue tables. Q1 2024 through Q4 2025: Q4 and FY 2025 earnings presentation, Calculation of Segment Markets Revenue (https://www.howmet.com/wp-content/uploads/sites/3/2026/02/Howmet-Aerospace-2025-Q4-FY-Earnings-Presentation.pdf). Q1 2026: Q1 2026 earnings presentation (https://www.howmet.com/wp-content/uploads/sites/3/2026/05/2026-Q1-Earnings-Presentation-Final.pdf). Q2 2026 and Q2 2025: Form 10-Q quarter ended 30 Jun 2026, Note D (https://www.sec.gov/Archives/edgar/data/4281/000000428126000025/hwm-20260630.htm). Q3 2026: Q3 2026 earnings presentation, Calculation of Segment Markets Revenue (https://www.howmet.com/wp-content/uploads/sites/3/2026/10/HWM-2026-Q3-Earnings-Presentation.pdf), which reprints Q3 2025 and Q2 2026 unchanged. FY 2023-2025 annual check: Form 10-K year ended 31 Dec 2025 (https://www.sec.gov/Archives/edgar/data/4281/000000428126000012/hwm-20251231.htm).