National Grid PLC

Director's Dealing • Nov 18, 2025

National Storage Mechanism | Additional information

RNS Number : 0089I

National Grid PLC

18 November 2025

18 November 2025

National Grid plc ('National Grid' or 'Company')

Notification of Transactions of Persons Discharging Managerial

Responsibilities ('PDMRs')

This announcement is made in accordance with Article 19 of the Market Abuse Regulation ('MAR') and relates to the purchase of shares by a Non-Executive Director. On 17 November 2025, the Company was notified that Iain Mackay, Non-Executive Director, purchased 4,500 ordinary shares.

In accordance with MAR, the relevant Financial Conduct Authority notification is set out below.

1

Details of the person discharging managerial responsibilities / person closely associated

a)

Name

Iain Mackay

2

Reason for the notification

a)

Position/status

Non-Executive Director

b)

Initial notification /Amendment

Initial notification

3

Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor

a)

Name

National Grid plc

b)

LEI

8R95QZMKZLJX5Q2XR704

4

Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted

a)

Description of the financial instrument, type of instrument

Identification code

Ordinary shares of 12 204/473p each

GB00BDR05C01

b)

Nature of the transaction

Purchase of ordinary shares.

c)

Price(s) and volume(s)

Price(s)	Volume(s)
GBP 11.735285	4,500

d)

Aggregated information

- Aggregated volume

- Price

e)

Date of the transaction

2025.11.17

f)

Place of the transaction

London Stock Exchange (XLON)

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