AON(AON) - 2025 Q4 - Annual Results

Exhibit 99.1 News from Aon Aon Reports Fourth-Quarter and Full-Year 2025 Results DUBLIN - January 30, 2026 - Aon plc (NYSE: AON) today reported results for the three and twelve months ended December 31, 2025. | | | Fourth Quarter 2025 | | | Full Year 2025 | | | --- | --- | --- | --- | --- | --- | --- | | | 2025 | 2024 | Change | 2025 | 2024 | Change | | Total revenue | $4,300 | $4,147 | 4% | $17,181 | $15,698 | 9% | | Organic revenue growth (Non-GAAP) | | | 5% | | | 6% | | Operating margin | 28.1% | 26.3% | ...