Company: NEWEN
Filing Date: 2025-05-15
Form Type: 6-K
Source: 0001654954-25-005651
Chunk: 80

Company: NATIONAL GRID PLC
Filing Date: 2025-05-15
Form: 6-K
Chunk 80
---
] Employee and contractor lost time injury frequency rate per 100,000 hours worked.

[2] Calculation methodology updated in 2024/25 to 'amortise' acquisition-related goodwill and indefinite-lived intangibles on a straight-line basis over 20 years. Comparatives have been restated accordingly.

[3] KPI relates to capital expenditure as defined in Article 8 of the EU Taxonomy regulation. It does not include 'equity investments to joint ventures and associates' or 'capital expenditure prepayments'.

### SIGNATURE
<div align='center'>Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.</div>

| NATIONAL GRID 
 plc           |                        |
| By:           | Beth Melges            |
|               | Beth Melges            
 Head of Plc Governance |

Date: 15 May 2025