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 2026
 
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
Description 
99.1
Exhibit 99.1 Announcement sent to the London Stock Exchange on 01 June 2026 — Total Voting Rights
99.2
Exhibit 99.2 Announcement sent to the London Stock Exchange on 03 June 2026 — Holding(s) in Company
99.3
Exhibit 99.3 Announcement sent to the London Stock Exchange on 10 June 2026 — Director/PDMR Shareholding
99.4
Exhibit 99.4 Announcement sent to the London Stock Exchange on 10 June 2026 — Director/PDMR Shareholding
99.5
Exhibit 99.5 Announcement sent to the London Stock Exchange on 16 June 2026 — Director/PDMR Shareholding
99.6
Exhibit 99.6 Announcement sent to the London Stock Exchange on 19 June 2026 — Director/PDMR Shareholding
 
 
Exhibit 99.1
 
1 June 2026
 
National Grid plc ('National Grid' or 'Company')
 
Voting Rights update
 
 
National Grid's registered capital as of 31 May 2026 consisted of 5,198,968,690 ordinary shares, of which, 223,258,076 were held as treasury shares; leaving a balance of 4,975,710,614 with voting rights.
 
The figure of 4,975,710,614 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
 
 
3 June 2026
 
National Grid plc ('National Grid' or 'Company')
 
Notification of Major Interest in National Grid Ordinary Shares
 
National Grid has received a notification on Form TR-1 from BlackRock, Inc. that its total interest in National Grid voting ordinary shares is as shown below.
 
 
TR-1: Standard form for notification of major holdings
 
1. Issuer Details
 
ISIN
GB00BDR05C01
 
Issuer Name
NATIONAL GRID PLC
 
UK or Non-UK Issuer
UK
 
2. Reason for Notification
 
An acquisition or disposal of voting rights
 
3. Details of person subject to the notification obligation
 
Name
BlackRock, Inc.
 
City of registered office (if applicable)
Wilmington
 
Country of registered office (if applicable)
USA
 
4. Details of the shareholder
 
Full name of shareholder(s) if different from the person(s) subject to the notification obligation, above
 
 
City of registered office (if applicable)
 
 
Country of registered office (if applicable)
 
 
5. Date on which the threshold was crossed or reached
 
01-Jun-2026
 
6. Date on which Issuer notified
 
02-Jun-2026
 
7. Total positions of person(s) subject to the notification obligation
 
 
% of voting rights attached to shares (total of 8.A)
% of voting rights through financial instruments (total of 8.B 1 + 8.B 2)
Total of both in % (8.A + 8.B)
Total number of voting rights held in issuer
Resulting situation on the date on which threshold was crossed or reached
8.390000
0.190000
8.580000
427582600
Position of previous notification (if applicable)
4.940000
3.480000
8.420000
 
 
8. Notified details of the resulting situation on the date on which the threshold was crossed or reached
 
8A. Voting rights attached to shares
 
    Class/Type of shares ISIN code(if possible)
Number of direct voting rights (DTR5.1)
Number of indirect voting rights (DTR5.2.1)
% of direct voting rights (DTR5.1)
% of indirect voting rights (DTR5.2.1)
GB00BDR05C01
 
417622779
 
8.390000
   Sub Total 8.A
417622779
8.390000%
 
8B1. Financial Instruments according to (DTR5.3.1R.(1) (a))
 
    Type of financial instrument
Expiration date
Exercise/conversion period
Number of voting rights that may be acquired if the instrument is exercised/converted
% of voting rights
American Depository Receipt
 
 
5996327
0.120000
Securities Lending
 
 
1239568
0.020000
    Sub Total 8.B1
 
7235895
0.140000%
 
8B2. Financial Instruments with similar economic effect according to (DTR5.3.1R.(1) (b))
 
    Type of financial instrument
Expiration date
Exercise/conversion period
Physical or cash settlement
Number of voting rights
% of voting rights
CFD
 
 
Cash
2723926
0.050000
   Sub Total 8.B2
 
2723926
0.050000%
 
9. Information in relation to the person subject to the notification obligation
 
2. Full chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held starting with the ultimate controlling natural person or legal entities (please add additional rows as necessary)
 
   Ultimate controlling person
   Name of controlled undertaking
% of voting rights if it equals or is higher than the notifiable threshold
% of voting rights through financial instruments if it equals or is higher than the notifiable threshold
Total of both if it equals or is higher than the notifiable threshold
BlackRock, Inc. (Chain 1)
 
BlackRock Saturn Subco, LLC
 
 
 
 
BlackRock, Inc. (Chain 1)
 
BlackRock Finance, Inc.
 
 
 
 
BlackRock, Inc. (Chain 1)
 
BlackRock Holdco 2, Inc.
 
 
 
 
BlackRock, Inc. (Chain 1)
 
BlackRock Financial Management, Inc.
 
 
 
 
BlackRock, Inc. (Chain 1)
 
BlackRock International Holdings, Inc.
 
 
 
 
BlackRock, Inc. (Chain 1)
 
BR Jersey International Holdings L.P.
 
 
 
 
BlackRock, Inc. (Chain 1)
 
BlackRock (Singapore) Holdco Pte. Ltd.
 
 
 
 
BlackRock, Inc. (Chain 1)
 
BlackRock HK Holdco Limited
 
 
 
 
BlackRock, Inc. (Chain 1)
 
BlackRock Lux Finco S.a.r.l.
 
 
 
 
BlackRock, Inc. (Chain 1)
 
BlackRock Japan Holdings GK
 
 
 
 
BlackRock, Inc. (Chain 1)
 
BlackRock Japan Co., Ltd.
 
 
 
 
BlackRock, Inc. (Chain 2)
 
BlackRock Saturn Subco, LLC
 
 
 
 
BlackRock, Inc. (Chain 2)
 
BlackRock Finance, Inc.
 
 
 
 
BlackRock, Inc. (Chain 2)
 
Trident Merger, LLC
 
 
 
 
BlackRock, Inc. (Chain 2)
 
BlackRock Investment Management, LLC
 
 
 
 
BlackRock, Inc. (Chain 3)
 
BlackRock Saturn Subco, LLC
 
 
 
 
BlackRock, Inc. (Chain 3)
 
BlackRock Finance, Inc.
 
 
 
 
BlackRock, Inc. (Chain 3)
 
BlackRock Holdco 2, Inc.
 
 
 
 
BlackRock, Inc. (Chain 3)
 
BlackRock Financial Management, Inc.
 
 
 
 
BlackRock, Inc. (Chain 3)
 
BlackRock International Holdings, Inc.
 
 
 
 
BlackRock, Inc. (Chain 3)
 
BR Jersey International Holdings L.P.
 
 
 
 
BlackRock, Inc. (Chain 3)
 
BlackRock Holdco 3, LLC
 
 
 
 
BlackRock, Inc. (Chain 3)
 
BlackRock Cayman 1 LP
 
 
 
 
BlackRock, Inc. (Chain 3)
 
BlackRock Cayman West Bay Finco Limited
 
 
 
 
BlackRock, Inc. (Chain 3)
 
BlackRock Cayman West Bay IV Limited
 
 
 
 
BlackRock, Inc. (Chain 3)
 
BlackRock Group Limited
 
 
 
 
BlackRock, Inc. (Chain 3)
 
BlackRock Investment Management (UK) Limited
 
 
 
 
BlackRock, Inc. (Chain 4)
 
BlackRock Saturn Subco, LLC
 
 
 
 
BlackRock, Inc. (Chain 4)
 
BlackRock Finance, Inc.
 
 
 
 
BlackRock, Inc. (Chain 4)
 
BlackRock Holdco 2, Inc.
 
 
 
 
BlackRock, Inc. (Chain 4)
 
BlackRock Financial Management, Inc.
 
 
 
 
BlackRock, Inc. (Chain 4)
 
BlackRock International Holdings, Inc.
 
 
 
 
BlackRock, Inc. (Chain 4)
 
BR Jersey International Holdings L.P.
 
 
 
 
BlackRock, Inc. (Chain 4)
 
BlackRock Australia Holdco Pty. Ltd.
 
 
 
 
BlackRock, Inc. (Chain 4)
 
BlackRock Investment Management (Australia) Limited
 
 
 
 
BlackRock, Inc. (Chain 5)
 
BlackRock Saturn Subco, LLC
 
 
 
 
BlackRock, Inc. (Chain 5)
 
BlackRock Finance, Inc.
 
 
 
 
BlackRock, Inc. (Chain 5)
 
BlackRock Holdco 2, Inc.
 
 
 
 
BlackRock, Inc. (Chain 5)
 
BlackRock Financial Management, Inc.
 
 
 
 
BlackRock, Inc. (Chain 5)
 
BlackRock International Holdings, Inc.
 
 
 
 
BlackRock, Inc. (Chain 5)
 
BR Jersey International Holdings L.P.
 
 
 
 
BlackRock, Inc. (Chain 5)
 
BlackRock Holdco 3, LLC
 
 
 
 
BlackRock, Inc. (Chain 5)
 
BlackRock Cayman 1 LP
 
 
 
 
BlackRock, Inc. (Chain 5)
 
BlackRock Cayman West Bay Finco Limited
 
 
 
 
BlackRock, Inc. (Chain 5)
 
BlackRock Cayman West Bay IV Limited
 
 
 
 
BlackRock, Inc. (Chain 5)
 
BlackRock Group Limited
 
 
 
 
BlackRock, Inc. (Chain 5)
 
BlackRock International Limited
 
 
 
 
BlackRock, Inc. (Chain 6)
 
BlackRock Saturn Subco, LLC
 
 
 
 
BlackRock, Inc. (Chain 6)
 
BlackRock Finance, Inc.
 
 
 
 
BlackRock, Inc. (Chain 6)
 
BlackRock Holdco 2, Inc.
 
 
 
 
BlackRock, Inc. (Chain 6)
 
BlackRock Financial Management, Inc.
 
 
 
 
BlackRock, Inc. (Chain 6)
 
BlackRock Holdco 4, LLC
 
 
 
 
BlackRock, Inc. (Chain 6)
 
BlackRock Holdco 6, LLC
 
 
 
 
BlackRock, Inc. (Chain 6)
 
BlackRock Delaware Holdings Inc.
 
 
 
 
BlackRock, Inc. (Chain 6)
 
BlackRock Institutional Trust Company, National Association
 
 
 
 
BlackRock, Inc. (Chain 7)
 
BlackRock Saturn Subco, LLC
 
 
 
 
BlackRock, Inc. (Chain 7)
 
BlackRock Finance, Inc.
 
 
 
 
BlackRock, Inc. (Chain 7)
 
BlackRock Holdco 2, Inc.
 
 
 
 
BlackRock, Inc. (Chain 7)
 
BlackRock Financial Management, Inc.
 
 
 
 
BlackRock, Inc. (Chain 7)
 
BlackRock Holdco 4, LLC
 
 
 
 
BlackRock, Inc. (Chain 7)
 
BlackRock Holdco 6, LLC
 
 
 
 
BlackRock, Inc. (Chain 7)
 
BlackRock Delaware Holdings Inc.
 
 
 
 
BlackRock, Inc. (Chain 7)
 
BlackRock Fund Advisors
 
 
 
 
BlackRock, Inc. (Chain 8)
 
BlackRock Saturn Subco, LLC
 
 
 
 
BlackRock, Inc. (Chain 8)
 
BlackRock Finance, Inc.
 
 
 
 
BlackRock, Inc. (Chain 8)
 
BlackRock Holdco 2, Inc.
 
 
 
 
BlackRock, Inc. (Chain 8)
 
BlackRock Financial Management, Inc.
 
 
 
 
BlackRock, Inc. (Chain 9)
 
BlackRock Saturn Subco, LLC
 
 
 
 
BlackRock, Inc. (Chain 9)
 
BlackRock Finance, Inc.
 
 
 
 
BlackRock, Inc. (Chain 9)
 
BlackRock Holdco 2, Inc.
 
 
 
 
BlackRock, Inc. (Chain 9)
 
BlackRock Financial Management, Inc.
 
 
 
 
BlackRock, Inc. (Chain 9)
 
BlackRock International Holdings, Inc.
 
 
 
 
BlackRock, Inc. (Chain 9)
 
BR Jersey International Holdings L.P.
 
 
 
 
BlackRock, Inc. (Chain 9)
 
BlackRock (Singapore) Holdco Pte. Ltd.
 
 
 
 
BlackRock, Inc. (Chain 9)
 
BlackRock HK Holdco Limited
 
 
 
 
BlackRock, Inc. (Chain 9)
 
BlackRock Asset Management North Asia Limited
 
 
 
 
BlackRock, Inc. (Chain 10)
 
BlackRock Saturn Subco, LLC
 
 
 
 
BlackRock, Inc. (Chain 10)
 
BlackRock Finance, Inc.
 
 
 
 
BlackRock, Inc. (Chain 10)
 
BlackRock Holdco 2, Inc.
 
 
 
 
BlackRock, Inc. (Chain 10)
 
BlackRock Financial Management, Inc.
 
 
 
 
BlackRock, Inc. (Chain 10)
 
BlackRock International Holdings, Inc.
 
 
 
 
BlackRock, Inc. (Chain 10)
 
BR Jersey International Holdings L.P.
 
 
 
 
BlackRock, Inc. (Chain 10)
 
BlackRock Holdco 3, LLC
 
 
 
 
BlackRock, Inc. (Chain 10)
 
BlackRock Cayman 1 LP
 
 
 
 
BlackRock, Inc. (Chain 10)
 
BlackRock Cayman West Bay Finco Limited
 
 
 
 
BlackRock, Inc. (Chain 10)
 
BlackRock Cayman West Bay IV Limited
 
 
 
 
BlackRock, Inc. (Chain 10)
 
BlackRock Group Limited
 
 
 
 
BlackRock, Inc. (Chain 10)
 
BlackRock (Netherlands) B.V.
 
 
 
 
BlackRock, Inc. (Chain 10)
 
BlackRock Asset Management Deutschland AG
 
 
 
 
BlackRock, Inc. (Chain 11)
 
BlackRock Saturn Subco, LLC
 
 
 
 
BlackRock, Inc. (Chain 11)
 
BlackRock Finance, Inc.
 
 
 
 
BlackRock, Inc. (Chain 11)
 
BlackRock Holdco 2, Inc.
 
 
 
 
BlackRock, Inc. (Chain 11)
 
BlackRock Financial Management, Inc.
 
 
 
 
BlackRock, Inc. (Chain 11)
 
BlackRock International Holdings, Inc.
 
 
 
 
BlackRock, Inc. (Chain 11)
 
BlackRock Canada Holdings ULC
 
 
 
 
BlackRock, Inc. (Chain 11)
 
BlackRock Asset Management Canada Limited
 
 
 
 
BlackRock, Inc. (Chain 12)
 
BlackRock Saturn Subco, LLC
 
 
 
 
BlackRock, Inc. (Chain 12)
 
BlackRock Finance, Inc.
 
 
 
 
BlackRock, Inc. (Chain 12)
 
BlackRock Holdco 2, Inc.
 
 
 
 
BlackRock, Inc. (Chain 12)
 
BlackRock Financial Management, Inc.
 
 
 
 
BlackRock, Inc. (Chain 12)
 
BlackRock Capital Holdings, Inc.
 
 
 
 
BlackRock, Inc. (Chain 12)
 
BlackRock Advisors, LLC
 
 
 
 
BlackRock, Inc. (Chain 13)
 
BlackRock Saturn Subco, LLC
 
 
 
 
BlackRock, Inc. (Chain 13)
 
BlackRock Finance, Inc.
 
 
 
 
BlackRock, Inc. (Chain 13)
 
BlackRock Holdco 2, Inc.
 
 
 
 
BlackRock, Inc. (Chain 13)
 
BlackRock Financial Management, Inc.
 
 
 
 
BlackRock, Inc. (Chain 13)
 
BlackRock International Holdings, Inc.
 
 
 
 
BlackRock, Inc. (Chain 13)
 
BR Jersey International Holdings L.P.
 
 
 
 
BlackRock, Inc. (Chain 13)
 
BlackRock Holdco 3, LLC
 
 
 
 
BlackRock, Inc. (Chain 13)
 
BlackRock Cayman 1 LP
 
 
 
 
BlackRock, Inc. (Chain 13)
 
BlackRock Cayman West Bay Finco Limited
 
 
 
 
BlackRock, Inc. (Chain 13)
 
BlackRock Cayman West Bay IV Limited
 
 
 
 
BlackRock, Inc. (Chain 13)
 
BlackRock Group Limited
 
 
 
 
BlackRock, Inc. (Chain 13)
 
BlackRock Advisors (UK) Limited
 
 
 
 
BlackRock, Inc. (Chain 14)
 
BlackRock Saturn Subco, LLC
 
 
 
 
BlackRock, Inc. (Chain 14)
 
BlackRock Finance, Inc.
 
 
 
 
BlackRock, Inc. (Chain 14)
 
BlackRock Holdco 2, Inc.
 
 
 
 
BlackRock, Inc. (Chain 14)
 
BlackRock Financial Management, Inc.
 
 
 
 
BlackRock, Inc. (Chain 14)
 
BlackRock International Holdings, Inc.
 
 
 
 
BlackRock, Inc. (Chain 14)
 
BR Jersey International Holdings L.P.
 
 
 
 
BlackRock, Inc. (Chain 14)
 
BlackRock (Singapore) Holdco Pte. Ltd.
 
 
 
 
BlackRock, Inc. (Chain 14)
 
BlackRock (Singapore) Limited
 
 
 
 
BlackRock, Inc. (Chain 15)
 
BlackRock Saturn Subco, LLC
 
 
 
 
BlackRock, Inc. (Chain 15)
 
BlackRock Finance, Inc.
 
 
 
 
BlackRock, Inc. (Chain 15)
 
Trident Merger, LLC
 
 
 
 
BlackRock, Inc. (Chain 15)
 
BlackRock Investment Management, LLC
 
 
 
 
BlackRock, Inc. (Chain 15)
 
Amethyst Intermediate, LLC
 
 
 
 
BlackRock, Inc. (Chain 15)
 
Aperio Holdings, LLC
 
 
 
 
BlackRock, Inc. (Chain 15)
 
Aperio Group, LLC
 
 
 
 
 
 
 
 
 
10. In case of proxy voting
 
Name of the proxy holder
 
 
The number and % of voting rights held
 
 
The date until which the voting rights will be held
 
 
11. Additional Information
 
BlackRock Regulatory Threshold Reporting Team
 
Jana Blumenstein
 
020 7743 3650
 
12. Date of Completion
 
2nd June 2026
 
13. Place Of Completion
 
12 Throgmorton Avenue, London, EC2N 2DL, U.K.
 
This notice is in compliance with National Grid's obligations under the Disclosure and Transparency Rules.  
  
Julian Baddeley   
Group Company Secretary 
 
 
Exhibit 99.3
 
 
10 June 2026
 
National Grid plc ('National Grid' or 'Company')
 
Notification of Transaction of Person 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 notification is set out below.
 
1
 
Details of the person discharging managerial responsibilities / person closely associated
 
a)
 
Name
 
Andy Agg
 
2
 
Reason for the notification
 
a)
 
Position/status
 
Chief Financial Officer
 
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
 
Monthly purchase of securities ("partnership shares") under the Share Incentive Plan
c)
 
Price(s) and volume(s)
 
 
Price(s)
 
Volume(s)
GBP 12.0872
 
12
d)
 
Aggregated information
 
- Aggregated volume
 
- Price
 
 
e)
 
Date of the transaction
 
2026.06.08
 
f)
 
Place of the transaction
 
London Stock Exchange (XLON)
 
 
 
Exhibit 99.4
 
 
10 June 2026
 
National Grid plc ('National Grid' or 'Company')
 
Notification of Transaction of Person Discharging Managerial Responsibilities ('PDMRs')
 
 
This announcement is made in accordance with Article 19 of the Market Abuse Regulation ('MAR') and relates to the National Grid Sharesave maturity on behalf of PDMRs. 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
 
Andy Agg
 
2
 
Reason for the notification
 
a)
 
Position/status
 
Chief Financial Officer
 
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
 
Exercise of options following maturity of the 2020/21 National Grid 5-year Sharesave plan.
c)
 
Price(s) and volume(s)
 
 
Price(s)

Volume(s)
GBP 6.2780
 
4,777
d)
 
Aggregated information
 
- Aggregated volume
 
- Price
 
 
e)
 
Date of the transaction
 
2026.06.10
 
f)
 
Place of the transaction
 
Outside a trading venue
 
 
 
Exhibit 99.5
 
 
16 June 2026
 
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 Annual Performance Plan ('APP') on 15 June 2026, which relates to a percentage of the award for 2025/26 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 2025/26 Annual Report and Accounts.
 
In accordance with MAR the relevant Financial Conduct Authority notifications are set out below.
 
1
 
Details of the person discharging managerial responsibilities / person closely associated
 
a)
 
Name
 
Andy Agg
 
2
 
Reason for the notification
 
a)
 
Position/status
 
Chief Financial Officer
 
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
 
Under the National Grid plc Annual Performance Plan ('APP') Ordinary shares were purchased in the market, which relates to 33% of the APP for 2025/26 being paid in shares.
c)
 
Price(s) and volume(s)
 
 
Price(s)
 
Volume(s)
GBP 12.0285
 
16,602
d)
 
Aggregated information
 
- Aggregated volume
 
- Price
 
 
e)
 
Date of the transaction
 
2026.06.15
 
f)
 
Place of the transaction
 
London Stock Exchange (XLON)
 
 
 
1
 
Details of the person discharging managerial responsibilities / person closely associated
 
a)
 
Name
 
Zoë Yujnovich
 
2
 
Reason for the notification
 
a)
 
Position/status
 
Chief Executive
 
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
 
Under the National Grid plc Annual Performance Plan ('APP') Ordinary shares were purchased in the market, which relates to 50% of the APP for 2025/26 being paid in shares.
c)
 
Price(s) and volume(s)
 
 
Price(s)
 
Volume(s)
GBP 12.0285
 
24,797
d)
 
Aggregated information
 
- Aggregated volume
 
- Price
 
 
e)
 
Date of the transaction
 
2026.06.15
f)
 
Place of the transaction
 
London Stock Exchange (XLON)
 
 
 Exhibit 99.6
 
 
 19 June 2026
 
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 17 June 2026.
 
Each of the LTPP Awards will vest on or after 18 June 2029 and are conditional on continued employment and on the satisfaction of the performance conditions approved by the People & Remuneration Committee.
 
In addition, as disclosed in the Company's 2025/26 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 2025/26 Annual Report and Accounts.
 
In accordance with MAR, the relevant Financial Conduct Authority notifications are set out below.
 
1
 
Details of the person discharging managerial responsibilities / person closely associated
 
a)
 
Name
 
Andy Agg
 
2
 
Reason for the notification
 
a)
 
Position/status
 
Chief Financial Officer
 
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
 
Acquisition of a conditional award over securities, for nil consideration, under the Long Term Performance Plan.
c)
 
Price(s) and volume(s)
 
 
Price(s)
 
Volume(s)
Nil
 246,057
 
d)
 
Aggregated information
 
- Aggregated volume
 
- Price
 
 
e)
 
Date of the transaction
 
2026.06.17
 
f)
 
Place of the transaction
 
Outside of a Trading Venue
 
 
1
 
Details of the person discharging managerial responsibilities / person closely associated
 
a)
 
Name
 
Zoë Yujnovich
 
2
 
Reason for the notification
a)
 
Position/status
 
Chief Executive
 
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
 
Acquisition of a conditional award over securities, for nil consideration, under the Long Term Performance Plan.
c)
 
Price(s) and volume(s)
 
 
Price(s)
 
Volume(s)
Nil
 
 450,132
d)
 
Aggregated information
 
- Aggregated volume
 
- Price
 
 
e)
 
Date of the transaction
 
2026.06.17
f)
 
Place of the transaction
 
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.
 
 
 
 
NATIONAL GRID plc
 
 
 
 
 
By:
 
Beth Melges
 
 
 
Beth Melges
Head of Plc Governance
 
 
 
 
Date: 30 June 2026