Company: NGVT
Filing Date: 2025-03-10
Form Type: PREC14A
Source: 0001308179-25-000061
Chunk: 83

Company: Ingevity Corp
Filing Date: 2025-03-10
Form: PREC14A
Chunk 83
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 fluctuations, and CEO severance charges.                                                                             |

Reconciliation of Revenue (GAAP) to Company STIP-Adjusted Revenue (Non-GAAP)

| In millions, unaudited                   |     |   |        Year 
 Ending 2024 |
|:-----------------------------------------|:----|:--|------------:|
| Revenue                                  |     | $ |     1,406.4 |
| Certain non-recurring items(1)           |     |   |       -33.0 |
| Company STIP-Adjusted Revenue (Non-GAAP) |     | $ |     1,373.4 |

| (1) | Represents certain                                                                                                          
 non-cash income (cost) translation impacts associated with foreign currency exchange rate fluctuations and sales related to 
 exited markets due to the repositioning of the Performance Chemicals’ segment.                                              |

Reconciliation of Segment Revenue (GAAP) to BU STIP-Adjusted Revenue (Non-GAAP)

|                                     |     | Year Ending 2024 |             |     |   |             |     |              |
|:------------------------------------|:----|:-----------------|------------:|:----|:--|------------:|:----|-------------:|
| In millions, unaudited              |     |                  | Performance 
   Chemicals |     |   | Performance 
   Materials |     |     Advanced 
      Polymer 
 Technologies |
| Segment Revenue (GAAP)              |     | $                |       608.2 |     | $ |       609.6 |     |        188.6 |
| Certain non-recurring items(1)      |     |                  |       -41.3 |     |   |         5.0 |     |          3.3 |
| BU STIP-Adjusted Revenue (Non-GAAP) |     | $                |       566.9 |     | $ |       614.6 |     |        191.9 |

| (1) | Represents certain                                                                                                         
 non-cash income (cost) translation impacts associated with currency exchange rate fluctuations and sales related to exited 
 markets due to the repositioning of the Performance Chemicals’ segment.                                                    |

| INGEVITY  |  2025 
 Proxy Statement   | 115 |

Appendix A: Non-GAAP Financial Measures and Reconciliation Tables Reconciliation of Diluted EPS (GAAP) to Cumulative EPS (Non-GAAP) Reconciliation of Diluted