# EDGAR Filing Document

**Accession Number:** 0001004315
**File Stem:** 0001654954-25-007492
**Filing Date:** 2025-6
**Character Count:** 51954
**Document Hash:** 3c619986121752f74d1bf3641812f6d3
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001654954-25-007492.hdr.sgml**: 20250630

**ACCESSION NUMBER**: 0001654954-25-007492

**CONFORMED SUBMISSION TYPE**: 6-K

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250630

**FILED AS OF DATE**: 20250630

**DATE AS OF CHANGE**: 20250630

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** NATIONAL GRID PLC
- **CENTRAL INDEX KEY:** 0001004315
- **STANDARD INDUSTRIAL CLASSIFICATION:** NATURAL GAS TRANSMISSION [4922]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 980367158
- **FISCAL YEAR END:** 0331

**FILING VALUES:**
- **FORM TYPE:** 6-K
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-14958
- **FILM NUMBER:** 251088706

**BUSINESS ADDRESS:**
- **STREET 1:** 1-3 STRAND
- **CITY:** LONDON
- **STATE:** X0
- **ZIP:** WC2N 5EH
- **BUSINESS PHONE:** (44) 207 004 3220

**MAIL ADDRESS:**
- **STREET 1:** 1-3 STRAND
- **CITY:** LONDON
- **STATE:** X0
- **ZIP:** WC2N 5EH

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** NATIONAL GRID TRANSCO PLC
- **DATE OF NAME CHANGE:** 20021121

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** NATIONAL GRID GROUP PLC
- **DATE OF NAME CHANGE:** 19991007

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** NATIONAL GRID HOLDING PLC
- **DATE OF NAME CHANGE:** 19991007

**UNITED STATES**

 **SECURITIES AND EXCHANGE COMMISSION**

 **Washington D.C. 20549**

 **FORM 6-K**

 **REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934**

 **Date: 30 June 2025**

 **Commission File Number: 001-14958**

 **NATIONAL GRID plc**

(Translation of registrant's name into English)

 **England and Wales**

(Jurisdiction of Incorporation)

 **1-3 Strand, London, WC2N 5EH, United Kingdom**

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

☒ Form 20-F ☐ Form 40-F

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): ☐

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): ☐

Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3- 2(b) under the Securities Exchange Act of 1934. ☐ Yes ☒ No

If "Yes" is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): n/a

 **EXHIBIT INDEX**

---

| | |
|:---|:---|
| **Exhibit No.**<br>| **Description**<br>|
| 99.1<br>| Exhibit 99.1 Announcement sent to the London Stock Exchange on 02 June 2025 — Total Voting Rights |
| 99.2<br>| Exhibit 99.2 Announcement sent to the London Stock Exchange on 10 June 2025 — Director/PDMR Shareholding |
| 99.3<br>| Exhibit 99.3 Announcement sent to the London Stock Exchange on 16 June 2025 — Director/PDMR Shareholding |
| 99.4<br>| Exhibit 99.4 Announcement sent to the London Stock Exchange on 24 June 2025 — Director/PDMR Shareholding |

---

Exhibit 99.1

 **2 June 2025**

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

 **Voting Rights update**

National Grid's registered capital as of 31 May 2025 consisted of 5,132,617,708 ordinary shares, of which, 230,984,649 were held as treasury shares; leaving a balance of 4,901,633,059 with voting rights.

The figure of 4,901,633,059 may be used by shareholders as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in, National Grid under the FCA's Disclosure Guidance and Transparency Rules.

 **Julian Baddeley**

 **Group Company Secretary**

Exhibit 99.2

 **10 June 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'). In accordance with MAR, the relevant Financial Conduct Authority ('FCA') notifications are set out below.

---

| | | | |
|:---|:---|:---|:---|
| **1**<br>| **Details of the person discharging managerial responsibilities / person closely associated** | **Details of the person discharging managerial responsibilities / person closely associated** | **Details of the person discharging managerial responsibilities / person closely associated** |
| a)<br>| Name<br>| Andy Agg | Andy Agg |
| **2**<br>| **Reason for the notification** | **Reason for the notification** | **Reason for the notification** |
| a)<br>| Position/status<br>| Chief Financial Officer | Chief Financial Officer |
| b)<br>| Initial notification /Amendment<br>| Initial notification | Initial notification |
| **3**<br>| **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** | **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** | **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** |
| a)<br>| Name<br>| National Grid plc | National Grid plc |
| b)<br>| LEI<br>| 8R95QZMKZLJX5Q2XR704 | 8R95QZMKZLJX5Q2XR704 |
| **4**<br>| **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** | **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** | **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)<br>| Description of the financial instrument, type of instrument<br>Identification code<br>| Ordinary shares of 12 204/473p each<br>GB00BDR05C01 | Ordinary shares of 12 204/473p each<br>GB00BDR05C01 |
| b)<br>| Nature of the transaction<br>| Monthly purchase of securities ("partnership shares") under the Share Incentive Plan | Monthly purchase of securities ("partnership shares") under the Share Incentive Plan |
| c) | Price(s) and volume(s) | Price(s)<br>| Volume(s) |
| c) | Price(s) and volume(s) | GBP 10.35 | 14<br>|
| d)<br>| Aggregated information<br>- Aggregated volume<br>- Price<br>|  |  |
| e)<br>| Date of the transaction<br>| 2025.06.09 | 2025.06.09 |
| f)<br>| Place of the transaction<br>| London Stock Exchange (XLON) | London Stock Exchange (XLON) |

---

---

| | | | |
|:---|:---|:---|:---|
| **1**<br>| **Details of the person discharging managerial responsibilities / person closely associated** | **Details of the person discharging managerial responsibilities / person closely associated** | **Details of the person discharging managerial responsibilities / person closely associated** |
| a)<br>| Name<br>| John Pettigrew | John Pettigrew |
| **2**<br>| **Reason for the notification** | **Reason for the notification** | **Reason for the notification** |
| a)<br>| Position/status<br>| Chief Executive | Chief Executive |
| b)<br>| Initial notification /Amendment<br>| Initial notification | Initial notification |
| **3**<br>| **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** | **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** | **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** |
| a)<br>| Name<br>| National Grid plc | National Grid plc |
| b)<br>| LEI<br>| 8R95QZMKZLJX5Q2XR704 | 8R95QZMKZLJX5Q2XR704 |
| **4**<br>| **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** | **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** | **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)<br>| Description of the financial instrument, type of instrument<br>Identification code<br>| Ordinary shares of 12 204/473p each<br>GB00BDR05C01 | Ordinary shares of 12 204/473p each<br>GB00BDR05C01 |
| b)<br>| Nature of the transaction<br>| Monthly purchase of securities ("partnership shares") under the Share Incentive Plan | Monthly purchase of securities ("partnership shares") under the Share Incentive Plan |
| c) | Price(s) and volume(s) | Price(s)<br>| Volume(s) |
| c) | Price(s) and volume(s) | GBP 10.35<br>| 15 |
| d)<br>| Aggregated information<br>- Aggregated volume<br>- Price<br>|  |  |
| e)<br>| Date of the transaction<br>| 2025.06.09 | 2025.06.09 |
| f)<br>| Place of the transaction<br>| London Stock Exchange (XLON) | London Stock Exchange (XLON) |

---

---

| | | | |
|:---|:---|:---|:---|
| **1**<br>| **Details of the person discharging managerial responsibilities / person closely associated** | **Details of the person discharging managerial responsibilities / person closely associated** | **Details of the person discharging managerial responsibilities / person closely associated** |
| a)<br>| Name<br>| Will Serle | Will Serle |
| **2**<br>| **Reason for the notification** | **Reason for the notification** | **Reason for the notification** |
| a)<br>| Position/status<br>| Chief People Officer | Chief People Officer |
| b)<br>| Initial notification /Amendment<br>| Initial notification | Initial notification |
| **3**<br>| **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** | **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** | **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** |
| a)<br>| Name<br>| National Grid plc | National Grid plc |
| b)<br>| LEI<br>| 8R95QZMKZLJX5Q2XR704 | 8R95QZMKZLJX5Q2XR704 |
| **4**<br>| **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** | **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** | **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)<br>| Description of the financial instrument, type of instrument<br>Identification code<br>| Ordinary shares of 12 204/473p each<br>GB00BDR05C01 | Ordinary shares of 12 204/473p each<br>GB00BDR05C01 |
| b)<br>| Nature of the transaction<br>| Monthly purchase of securities ("partnership shares") under the Share Incentive Plan | Monthly purchase of securities ("partnership shares") under the Share Incentive Plan |
| c) | Price(s) and volume(s) | Price(s)<br>| Volume(s) |
| c) | Price(s) and volume(s) | GBP 10.35 | 15<br>|
| d)<br>| Aggregated information<br>- Aggregated volume<br>- Price<br>|  |  |
| e)<br>| Date of the transaction<br>| 2025.06.09 | 2025.06.09 |
| f)<br>| Place of the transaction<br>| London Stock Exchange (XLON) | London Stock Exchange (XLON) |

---

Exhibit 99.3

 **16 June 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 following Executive Directors and PDMRs being granted awards under the Company's Annual Performance Plan ('APP') on 13 June 2025, which relates to a percentage of the award for 2024/25 being paid in shares, and which (after tax on the gross award) must be retained until the shareholding requirement is met, and in any event for two years after receipt. This award is subject to clawback and malus provisions.

For further details of the APP, please see the Company's 2024/25 Annual Report and Accounts.

In accordance with MAR the relevant Financial Conduct Authority ('FCA') notifications are set out below.

---

| | | | |
|:---|:---|:---|:---|
| **1**<br>| **Details of the person discharging managerial responsibilities / person closely associated** | **Details of the person discharging managerial responsibilities / person closely associated** | **Details of the person discharging managerial responsibilities / person closely associated** |
| a)<br>| Name<br>| Andy Agg | Andy Agg |
| **2**<br>| **Reason for the notification** | **Reason for the notification** | **Reason for the notification** |
| a)<br>| Position/status<br>| Chief Financial Officer | Chief Financial Officer |
| b)<br>| Initial notification /Amendment | Initial notification | Initial notification |
| **3**<br>| **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** | **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** | **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** |
| a)<br>| Name<br>| National Grid plc | National Grid plc |
| b)<br>| LEI<br>| 8R95QZMKZLJX5Q2XR704 | 8R95QZMKZLJX5Q2XR704 |
| **4**<br>| **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** | **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** | **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)<br>| Description of the financial instrument, type of instrument<br>Identification code<br>| Ordinary shares of 12 204/473p each<br>GB00BDR05C01 | Ordinary shares of 12 204/473p each<br>GB00BDR05C01 |
| b)<br>| Nature of the transaction<br>| Under the National Grid plc Annual Performance Plan ('APP') Ordinary shares were purchased in the market, which relates to 50% of the APP for 2024/25 being paid in shares. | Under the National Grid plc Annual Performance Plan ('APP') Ordinary shares were purchased in the market, which relates to 50% of the APP for 2024/25 being paid in shares. |
| c) | Price(s) and volume(s) | Price(s)<br>| Volume(s) |
| c) | Price(s) and volume(s) | GBP 10.586844 | 21870<br>|
| d)<br>| Aggregated information<br>- Aggregated volume<br>- Price<br>|  |  |
| e)<br>| Date of the transaction<br>| 2025.06.13 | 2025.06.13 |
| f)<br>| Place of the transaction<br>| London Stock Exchange (XLON) | London Stock Exchange (XLON) |

---

---

| | | | |
|:---|:---|:---|:---|
| **1**<br>| **Details of the person discharging managerial responsibilities / person closely associated** | **Details of the person discharging managerial responsibilities / person closely associated** | **Details of the person discharging managerial responsibilities / person closely associated** |
| a)<br>| Name<br>| John Pettigrew | John Pettigrew |
| **2**<br>| **Reason for the notification** | **Reason for the notification** | **Reason for the notification** |
| a)<br>| Position/status<br>| Chief Executive | Chief Executive |
| b)<br>| Initial notification /Amendment<br>| Initial notification | Initial notification |
| **3**<br>| **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** | **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** | **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** |
| a)<br>| Name<br>| National Grid plc | National Grid plc |
| b)<br>| LEI<br>| 8R95QZMKZLJX5Q2XR704 | 8R95QZMKZLJX5Q2XR704 |
| **4**<br>| **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** | **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** | **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)<br>| Description of the financial instrument, type of instrument<br>Identification code<br>| Ordinary shares of 12 204/473p each<br>GB00BDR05C01 | Ordinary shares of 12 204/473p each<br>GB00BDR05C01 |
| b)<br>| Nature of the transaction<br>| Under the National Grid plc Annual Performance Plan ('APP') Ordinary shares were purchased in the market, which relates to 50% of the APP for 2024/25 being paid in shares. | Under the National Grid plc Annual Performance Plan ('APP') Ordinary shares were purchased in the market, which relates to 50% of the APP for 2024/25 being paid in shares. |
| c) | Price(s) and volume(s) | Price(s)<br>| Volume(s) |
| c) | Price(s) and volume(s) | GBP 10.586844<br>| 33779 |
| d)<br>| Aggregated information<br>- Aggregated volume<br>- Price<br>|  |  |
| e)<br>| Date of the transaction<br>| 2025.06.13 | 2025.06.13 |
| f)<br>| Place of the transaction<br>| London Stock Exchange (XLON) | London Stock Exchange (XLON) |

---

---

| | | | |
|:---|:---|:---|:---|
| **1**<br>| **Details of the person discharging managerial responsibilities / person closely associated** | **Details of the person discharging managerial responsibilities / person closely associated** | **Details of the person discharging managerial responsibilities / person closely associated** |
| a)<br>| Name<br>| Justine Campbell | Justine Campbell |
| **2**<br>| **Reason for the notification** | **Reason for the notification** | **Reason for the notification** |
| a)<br>| Position/status<br>| Group Chief Legal Officer | Group Chief Legal Officer |
| b)<br>| Initial notification /Amendment<br>| Initial notification | Initial notification |
| **3**<br>| **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** | **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** | **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** |
| a)<br>| Name<br>| National Grid plc | National Grid plc |
| b)<br>| LEI<br>| 8R95QZMKZLJX5Q2XR704 | 8R95QZMKZLJX5Q2XR704 |
| **4**<br>| **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** | **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** | **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)<br>| Description of the financial instrument, type of instrument<br>Identification code<br>| Ordinary shares of 12 204/473p each<br>GB00BDR05C01 | Ordinary shares of 12 204/473p each<br>GB00BDR05C01 |
| b)<br>| Nature of the transaction<br>| Under the National Grid plc Annual Performance Plan ('APP') Ordinary shares were purchased in the market, which relates to 33.33% of the APP for 2024/25 being paid in shares. | Under the National Grid plc Annual Performance Plan ('APP') Ordinary shares were purchased in the market, which relates to 33.33% of the APP for 2024/25 being paid in shares. |
| c) | Price(s) and volume(s) | Price(s)<br>| Volume(s) |
| c) | Price(s) and volume(s) | GBP 10.586844 | 6531<br>|
| d)<br>| Aggregated information<br>- Aggregated volume<br>- Price<br>|  |  |
| e)<br>| Date of the transaction<br>| 2025.06.13 | 2025.06.13 |
| f)<br>| Place of the transaction<br>| London Stock Exchange (XLON) | London Stock Exchange (XLON) |

---

---

| | | | |
|:---|:---|:---|:---|
| **1**<br>| **Details of the person discharging managerial responsibilities / person closely associated** | **Details of the person discharging managerial responsibilities / person closely associated** | **Details of the person discharging managerial responsibilities / person closely associated** |
| a)<br>| Name<br>| Steve Smith | Steve Smith |
| **2**<br>| **Reason for the notification** | **Reason for the notification** | **Reason for the notification** |
| a)<br>| Position/status<br>| Chief Strategy and Regulation Officer | Chief Strategy and Regulation Officer |
| b)<br>| Initial notification /Amendment<br>| Initial notification | Initial notification |
| **3**<br>| **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** | **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** | **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** |
| a)<br>| Name<br>| National Grid plc | National Grid plc |
| b)<br>| LEI<br>| 8R95QZMKZLJX5Q2XR704 | 8R95QZMKZLJX5Q2XR704 |
| **4**<br>| **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** | **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** | **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)<br>| Description of the financial instrument, type of instrument<br>Identification code<br>| Ordinary shares of 12 204/473p each<br>GB00BDR05C01 | Ordinary shares of 12 204/473p each<br>GB00BDR05C01 |
| b)<br>| Nature of the transaction<br>| Under the National Grid plc Annual Performance Plan ('APP') Ordinary shares were purchased in the market, which relates to 33.33% of the APP for 2024/25 being paid in shares. | Under the National Grid plc Annual Performance Plan ('APP') Ordinary shares were purchased in the market, which relates to 33.33% of the APP for 2024/25 being paid in shares. |
| c) | Price(s) and volume(s) | Price(s)<br>| Volume(s) |
| c) | Price(s) and volume(s) | GBP 10.586844 | 5059<br>|
| d)<br>| Aggregated information<br>- Aggregated volume<br>- Price<br>|  |  |
| e)<br>| Date of the transaction<br>| 2025.06.13 | 2025.06.13 |
| f)<br>| Place of the transaction<br>| London Stock Exchange (XLON) | London Stock Exchange (XLON) |

---

---

| | | | |
|:---|:---|:---|:---|
| **1**<br>| **Details of the person discharging managerial responsibilities / person closely associated** | **Details of the person discharging managerial responsibilities / person closely associated** | **Details of the person discharging managerial responsibilities / person closely associated** |
| a)<br>| Name<br>| Will Serle | Will Serle |
| **2**<br>| **Reason for the notification** | **Reason for the notification** | **Reason for the notification** |
| a)<br>| Position/status<br>| Chief People and Culture Officer | Chief People and Culture Officer |
| b)<br>| Initial notification /Amendment<br>| Initial notification | Initial notification |
| **3**<br>| **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** | **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** | **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** |
| a)<br>| Name<br>| National Grid plc | National Grid plc |
| b)<br>| LEI<br>| 8R95QZMKZLJX5Q2XR704 | 8R95QZMKZLJX5Q2XR704 |
| **4**<br>| **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** | **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** | **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)<br>| Description of the financial instrument, type of instrument<br>Identification code<br>| Ordinary shares of 12 204/473p each<br>GB00BDR05C01 | Ordinary shares of 12 204/473p each<br>GB00BDR05C01 |
| b)<br>| Nature of the transaction<br>| Under the National Grid plc Annual Performance Plan ('APP') Ordinary shares were purchased in the market, which relates to 33.33% of the APP for 2024/25 being paid in shares. | Under the National Grid plc Annual Performance Plan ('APP') Ordinary shares were purchased in the market, which relates to 33.33% of the APP for 2024/25 being paid in shares. |
| c) | Price(s) and volume(s) | Price(s)<br>| Volume(s) |
| c) | Price(s) and volume(s) | GBP 10.586844<br>| 5500 |
| d)<br>| Aggregated information<br>- Aggregated volume<br>- Price<br>|  |  |
| e)<br>| Date of the transaction<br>| 2025.06.13 | 2025.06.13 |
| f)<br>| Place of the transaction<br>| London Stock Exchange (XLON) | London Stock Exchange (XLON) |

---

---

| | | | |
|:---|:---|:---|:---|
| **1**<br>| **Details of the person discharging managerial responsibilities / person closely associated** | **Details of the person discharging managerial responsibilities / person closely associated** | **Details of the person discharging managerial responsibilities / person closely associated** |
| a)<br>| Name<br>| Courtney Geduldig | Courtney Geduldig |
| **2**<br>| **Reason for the notification** | **Reason for the notification** | **Reason for the notification** |
| a)<br>| Position/status<br>| Chief Corporate Affairs Officer | Chief Corporate Affairs Officer |
| b)<br>| Initial notification /Amendment<br>| Initial notification | Initial notification |
| **3**<br>| **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** | **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** | **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** |
| a)<br>| Name<br>| National Grid plc | National Grid plc |
| b)<br>| LEI<br>| 8R95QZMKZLJX5Q2XR704 | 8R95QZMKZLJX5Q2XR704 |
| **4**<br>| **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** | **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** | **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)<br>| Description of the financial instrument, type of instrument<br>Identification code<br>| American Depository Shares <br>US 6362744095  | American Depository Shares <br>US 6362744095  |
| b)<br>| Nature of the transaction<br>| Under the National Grid plc Annual Performance Plan ('APP') American Depositary Shares ('ADS') were purchased in the market, which relates to 33.33% of the APP for 2024/25 being paid in shares.  | Under the National Grid plc Annual Performance Plan ('APP') American Depositary Shares ('ADS') were purchased in the market, which relates to 33.33% of the APP for 2024/25 being paid in shares.  |
| c) | Price(s) and volume(s) | Price(s)<br>| Volume(s) |
| c) | Price(s) and volume(s) | USD 72.665000 | 1436<br>|
| d)<br>| Aggregated information<br>- Aggregated volume<br>- Price<br>|  |  |
| e)<br>| Date of the transaction<br>| 2025.06.13 | 2025.06.13 |
| f) | Place of the transaction | Outside of a Trading Venue  | Outside of a Trading Venue  |

---

---

| | | | |
|:---|:---|:---|:---|
| **1**<br>| **Details of the person discharging managerial responsibilities / person closely associated** | **Details of the person discharging managerial responsibilities / person closely associated** | **Details of the person discharging managerial responsibilities / person closely associated** |
| a)<br>| Name<br>| Talvis Love | Talvis Love |
| **2**<br>| **Reason for the notification** | **Reason for the notification** | **Reason for the notification** |
| a)<br>| Position/status<br>| Chief Information and Digital Officer | Chief Information and Digital Officer |
| b)<br>| Initial notification /Amendment<br>| Initial notification | Initial notification |
| **3**<br>| **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** | **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** | **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** |
| a)<br>| Name<br>| National Grid plc | National Grid plc |
| b)<br>| LEI<br>| 8R95QZMKZLJX5Q2XR704 | 8R95QZMKZLJX5Q2XR704 |
| **4**<br>| **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** | **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** | **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)<br>| Description of the financial instrument, type of instrument<br>Identification code<br>| American Depository Shares <br>US 6362744095  | American Depository Shares <br>US 6362744095  |
| b)<br>| Nature of the transaction<br>| Under the National Grid plc Annual Performance Plan ('APP') American Depositary Shares ('ADS') were purchased in the market, which relates to 33.33% of the APP for 2024/25 being paid in shares.  | Under the National Grid plc Annual Performance Plan ('APP') American Depositary Shares ('ADS') were purchased in the market, which relates to 33.33% of the APP for 2024/25 being paid in shares.  |
| c) | Price(s) and volume(s) | Price(s)<br>| Volume(s) |
| c) | Price(s) and volume(s) | USD 72.665000 | 1570<br>|
| d)<br>| Aggregated information<br>- Aggregated volume<br>- Price<br>|  |  |
| e)<br>| Date of the transaction<br>| 2025.06.13 | 2025.06.13 |
| f) | Place of the transaction | Outside of a Trading Venue  | Outside of a Trading Venue  |

---

Exhibit 99.4

 **24 June 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 following PDMRs being granted awards under the Company's Long Term Performance Plan ('LTPP') on 23 June 2025.

Each of the LTPP Awards will vest on or after 30 June 2028 and are conditional on continued employment and on the satisfaction of the performance conditions approved by the Remuneration Committee.

In addition, as disclosed in the Company's 2024/25 Annual Report and Accounts, Executive Directors are required to retain the after-tax value of any shares under the LTPP award until the shareholding requirement is met, and in any event for two years after receipt. The LTPP award is subject to clawback and malus provisions. For further details of the LTPP, please see the Company's 2024/25 Annual Report and Accounts.

In accordance with MAR, the relevant Financial Conduct Authority notifications are set out below.

---

| | | | |
|:---|:---|:---|:---|
| **1**<br>| **Details of the person discharging managerial responsibilities / person closely associated** | **Details of the person discharging managerial responsibilities / person closely associated** | **Details of the person discharging managerial responsibilities / person closely associated** |
| a)<br>| Name<br>| Andy Agg | Andy Agg |
| **2**<br>| **Reason for the notification** | **Reason for the notification** | **Reason for the notification** |
| a)<br>| Position/status<br>| Chief Financial Officer | Chief Financial Officer |
| b)<br>| Initial notification /Amendment | Initial notification | Initial notification |
| **3**<br>| **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** | **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** | **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** |
| a)<br>| Name<br>| National Grid plc | National Grid plc |
| b)<br>| LEI<br>| 8R95QZMKZLJX5Q2XR704 | 8R95QZMKZLJX5Q2XR704 |
| **4**<br>| **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** | **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** | **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)<br>| Description of the financial instrument, type of instrument<br>Identification code<br>| Ordinary shares of 12 204/473p each<br>GB00BDR05C01 | Ordinary shares of 12 204/473p each<br>GB00BDR05C01 |
| b)<br>| Nature of the transaction<br>| Acquisition of a conditional award over securities, for nil consideration, under the Long Term Performance Plan. | Acquisition of a conditional award over securities, for nil consideration, under the Long Term Performance Plan. |
| c) | Price(s) and volume(s) | Price(s)<br>| Volume(s) |
| c) | Price(s) and volume(s) | Nil | 230976<br>|
| d)<br>| Aggregated information<br>- Aggregated volume<br>- Price<br>|  |  |
| e)<br>| Date of the transaction<br>| 2025.06.23 | 2025.06.23 |
| f)<br>| Place of the transaction<br>| Outside of a Trading Venue | Outside of a Trading Venue |

---

---

| | | | |
|:---|:---|:---|:---|
| **1**<br>| **Details of the person discharging managerial responsibilities / person closely associated** | **Details of the person discharging managerial responsibilities / person closely associated** | **Details of the person discharging managerial responsibilities / person closely associated** |
| a)<br>| Name<br>| Justine Campbell | Justine Campbell |
| **2**<br>| **Reason for the notification** | **Reason for the notification** | **Reason for the notification** |
| a)<br>| Position/status<br>| Chief Legal Officer | Chief Legal Officer |
| b)<br>| Initial notification /Amendment<br>| Initial notification | Initial notification |
| **3**<br>| **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** | **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** | **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** |
| a)<br>| Name<br>| National Grid plc | National Grid plc |
| b)<br>| LEI<br>| 8R95QZMKZLJX5Q2XR704 | 8R95QZMKZLJX5Q2XR704 |
| **4**<br>| **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** | **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** | **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)<br>| Description of the financial instrument, type of instrument<br>Identification code<br>| Ordinary shares of 12 204/473p each<br>GB00BDR05C01 | Ordinary shares of 12 204/473p each<br>GB00BDR05C01 |
| b)<br>| Nature of the transaction<br>| Acquisition of a conditional award over securities, for nil consideration, under the Long Term Performance Plan. | Acquisition of a conditional award over securities, for nil consideration, under the Long Term Performance Plan. |
| c) | Price(s) and volume(s) | Price(s)<br>| Volume(s) |
| c) | Price(s) and volume(s) | Nil | 140014<br>|
| d)<br>| Aggregated information<br>- Aggregated volume<br>- Price<br>|  |  |
| e)<br>| Date of the transaction<br>| 2025.06.23 | 2025.06.23 |
| f)<br>| Place of the transaction<br>| Outside of a Trading Venue | Outside of a Trading Venue |

---

---

| | | | |
|:---|:---|:---|:---|
| **1**<br>| **Details of the person discharging managerial responsibilities / person closely associated** | **Details of the person discharging managerial responsibilities / person closely associated** | **Details of the person discharging managerial responsibilities / person closely associated** |
| a)<br>| Name<br>| Courtney Geduldig | Courtney Geduldig |
| **2**<br>| **Reason for the notification** | **Reason for the notification** | **Reason for the notification** |
| a)<br>| Position/status<br>| Chief Corporate Affairs Officer | Chief Corporate Affairs Officer |
| b)<br>| Initial notification /Amendment<br>| Initial notification | Initial notification |
| **3**<br>| **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** | **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** | **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** |
| a)<br>| Name<br>| National Grid plc | National Grid plc |
| b)<br>| LEI<br>| 8R95QZMKZLJX5Q2XR704 | 8R95QZMKZLJX5Q2XR704 |
| **4**<br>| **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** | **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** | **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)<br>| Description of the financial instrument, type of instrument<br>Identification code<br>| American Depository Shares <br>US 6362744095 | American Depository Shares <br>US 6362744095 |
| b)<br>| Nature of the transaction<br>| Acquisition of a conditional award over securities, for nil consideration, under the Long Term Performance Plan. | Acquisition of a conditional award over securities, for nil consideration, under the Long Term Performance Plan. |
| c) | Price(s) and volume(s) | Price(s)<br>| Volume(s) |
| c) | Price(s) and volume(s) | Nil <br>| 21260 |
| d)<br>| Aggregated information<br>- Aggregated volume<br>- Price<br>|  |  |
| e)<br>| Date of the transaction<br>| 2025.06.23 | 2025.06.23 |
| f)<br>| Place of the transaction<br>| Outside of a Trading Venue | Outside of a Trading Venue |

---

---

| | | | |
|:---|:---|:---|:---|
| **1**<br>| **Details of the person discharging managerial responsibilities / person closely associated** | **Details of the person discharging managerial responsibilities / person closely associated** | **Details of the person discharging managerial responsibilities / person closely associated** |
| a)<br>| Name<br>| Talvis Love | Talvis Love |
| **2**<br>| **Reason for the notification** | **Reason for the notification** | **Reason for the notification** |
| a)<br>| Position/status<br>| Chief Information and Digital Officer | Chief Information and Digital Officer |
| b)<br>| Initial notification /Amendment<br>| Initial notification | Initial notification |
| **3**<br>| **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** | **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** | **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** |
| a)<br>| Name<br>| National Grid plc | National Grid plc |
| b)<br>| LEI<br>| 8R95QZMKZLJX5Q2XR704 | 8R95QZMKZLJX5Q2XR704 |
| **4**<br>| **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** | **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** | **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)<br>| Description of the financial instrument, type of instrument<br>Identification code<br>| American Depository Shares <br>US 6362744095 | American Depository Shares <br>US 6362744095 |
| b)<br>| Nature of the transaction<br>| Acquisition of a conditional award over securities, for nil consideration, under the Long Term Performance Plan. | Acquisition of a conditional award over securities, for nil consideration, under the Long Term Performance Plan. |
| c) | Price(s) and volume(s) | Price(s)<br>| Volume(s) |
| c) | Price(s) and volume(s) | Nil  | 25479<br>|
| d)<br>| Aggregated information<br>- Aggregated volume<br>- Price<br>|  |  |
| e)<br>| Date of the transaction<br>| 2025.06.23 | 2025.06.23 |
| f)<br>| Place of the transaction<br>| Outside of a Trading Venue | Outside of a Trading Venue |

---

---

| | | | |
|:---|:---|:---|:---|
| **1**<br>| **Details of the person discharging managerial responsibilities / person closely associated** | **Details of the person discharging managerial responsibilities / person closely associated** | **Details of the person discharging managerial responsibilities / person closely associated** |
| a)<br>| Name<br>| John Pettigrew | John Pettigrew |
| **2**<br>| **Reason for the notification** | **Reason for the notification** | **Reason for the notification** |
| a)<br>| Position/status<br>| Chief Executive | Chief Executive |
| b)<br>| Initial notification /Amendment<br>| Initial notification | Initial notification |
| **3**<br>| **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** | **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** | **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** |
| a)<br>| Name<br>| National Grid plc | National Grid plc |
| b)<br>| LEI<br>| 8R95QZMKZLJX5Q2XR704 | 8R95QZMKZLJX5Q2XR704 |
| **4**<br>| **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** | **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** | **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)<br>| Description of the financial instrument, type of instrument<br>Identification code<br>| Ordinary shares of 12 204/473p each<br>GB00BDR05C01 | Ordinary shares of 12 204/473p each<br>GB00BDR05C01 |
| b)<br>| Nature of the transaction<br>| Acquisition of a conditional award over securities, for nil consideration, under the Long Term Performance Plan. | Acquisition of a conditional award over securities, for nil consideration, under the Long Term Performance Plan. |
| c) | Price(s) and volume(s) | Price(s)<br>| Volume(s) |
| c) | Price(s) and volume(s) | Nil | 409397<br>|
| d)<br>| Aggregated information<br>- Aggregated volume<br>- Price<br>|  |  |
| e)<br>| Date of the transaction<br>| 2025.06.23 | 2025.06.23 |
| f)<br>| Place of the transaction<br>| Outside of a Trading Venue | Outside of a Trading Venue |

---

---

| | | | |
|:---|:---|:---|:---|
| **1**<br>| **Details of the person discharging managerial responsibilities / person closely associated** | **Details of the person discharging managerial responsibilities / person closely associated** | **Details of the person discharging managerial responsibilities / person closely associated** |
| a)<br>| Name<br>| Will Serle | Will Serle |
| **2**<br>| **Reason for the notification** | **Reason for the notification** | **Reason for the notification** |
| a)<br>| Position/status<br>| Chief People Officer | Chief People Officer |
| b)<br>| Initial notification /Amendment<br>| Initial notification | Initial notification |
| **3**<br>| **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** | **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** | **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** |
| a)<br>| Name<br>| National Grid plc | National Grid plc |
| b)<br>| LEI<br>| 8R95QZMKZLJX5Q2XR704 | 8R95QZMKZLJX5Q2XR704 |
| **4**<br>| **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** | **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** | **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)<br>| Description of the financial instrument, type of instrument<br>Identification code<br>| Ordinary shares of 12 204/473p each<br>GB00BDR05C01 | Ordinary shares of 12 204/473p each<br>GB00BDR05C01 |
| b)<br>| Nature of the transaction<br>| Acquisition of a conditional award over securities, for nil consideration, under the Long Term Performance Plan. | Acquisition of a conditional award over securities, for nil consideration, under the Long Term Performance Plan. |
| c) | Price(s) and volume(s) | Price(s)<br>| Volume(s) |
| c) | Price(s) and volume(s) | Nil | 125140<br>|
| d)<br>| Aggregated information<br>- Aggregated volume<br>- Price<br>|  |  |
| e)<br>| Date of the transaction<br>| 2025.06.23 | 2025.06.23 |
| f)<br>| Place of the transaction<br>| Outside of a Trading Venue | Outside of a Trading Venue |

---

---

| | | | |
|:---|:---|:---|:---|
| **1**<br>| **Details of the person discharging managerial responsibilities / person closely associated** | **Details of the person discharging managerial responsibilities / person closely associated** | **Details of the person discharging managerial responsibilities / person closely associated** |
| a)<br>| Name<br>| Steve Smith | Steve Smith |
| **2**<br>| **Reason for the notification** | **Reason for the notification** | **Reason for the notification** |
| a)<br>| Position/status | Chief Strategy and Regulations Officer | Chief Strategy and Regulations Officer |
| b)<br>| Initial notification /Amendment<br>| Initial notification | Initial notification |
| **3**<br>| **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** | **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** | **Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor** |
| a)<br>| Name<br>| National Grid plc | National Grid plc |
| b)<br>| LEI<br>| 8R95QZMKZLJX5Q2XR704 | 8R95QZMKZLJX5Q2XR704 |
| **4**<br>| **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** | **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** | **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)<br>| Description of the financial instrument, type of instrument<br>Identification code<br>| Ordinary shares of 12 204/473p each<br>GB00BDR05C01 | Ordinary shares of 12 204/473p each<br>GB00BDR05C01 |
| b)<br>| Nature of the transaction<br>| Acquisition of a conditional award over securities, for nil consideration, under the Long Term Performance Plan. | Acquisition of a conditional award over securities, for nil consideration, under the Long Term Performance Plan. |
| c) | Price(s) and volume(s) | Price(s)<br>| Volume(s) |
| c) | Price(s) and volume(s) | Nil | 114047<br>|
| d)<br>| Aggregated information<br>- Aggregated volume<br>- Price<br>|  |  |
| e)<br>| Date of the transaction<br>| 2025.06.23 | 2025.06.23 |
| f)<br>| Place of the transaction<br>| Outside of a Trading Venue | Outside of a Trading Venue |

---

 **SIGNATURE**

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.

---

| | |
|:---|:---|
| &nbsp;&nbsp;&nbsp; NATIONAL GRID plc | &nbsp;&nbsp;&nbsp; NATIONAL GRID plc |
|  ***By:***<br>|  ***Beth Melges***<br>|
|  | Beth Melges<br> Head of Plc Governance<br>|

---

Date: 30 June 2025