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S-8 S-8 EX-FILING FEES 0001004315 NATIONAL GRID PLC N/A Fees to be Paid Fees to be Paid Fees to be Paid Fees to be Paid Fees to be Paid 0001004315 2026-02-25 2026-02-25 0001004315 1 2026-02-25 2026-02-25 0001004315 2 2026-02-25 2026-02-25 0001004315 3 2026-02-25 2026-02-25 0001004315 4 2026-02-25 2026-02-25 0001004315 5 2026-02-25 2026-02-25 iso4217:USD xbrli:pure xbrli:shares

Calculation of Filing Fee Tables

S-8

NATIONAL GRID PLC

Table 1: Newly Registered Securities

Security Type

Security Class Title

Fee Calculation Rule

Amount Registered

Proposed Maximum Offering Price Per Unit

Maximum Aggregate Offering Price

Fee Rate

Amount of Registration Fee

1 Equity American Depositary Shares granted pursuant to the National Grid plc Annual Performance Plan Other 500,000 $ 91.41 $ 45,705,000.00 0.0001381 $ 6,311.86
2 Equity American Depositary Shares granted pursuant to the National Grid plc Employee Stock Purchase Plan Other 20,000,000 $ 91.41 $ 1,828,200,000.00 0.0001381 $ 252,474.42
3 Equity American Depositary Shares granted pursuant to the National Grid plc Long Term Performance Plan Other 5,000,000 $ 91.41 $ 457,050,000.00 0.0001381 $ 63,118.61
4 Equity American Depositary Shares granted pursuant to the National Grid plc Retention Award Plan Other 1,000,000 $ 91.41 $ 91,410,000.00 0.0001381 $ 12,623.72
5 Equity American Depositary Shares granted pursuant to the National Grid USA Companies' Incentive Thrift Plan Other 6,000,000 $ 91.41 $ 548,460,000.00 0.0001381 $ 75,742.33

Total Offering Amounts:

$ 2,970,825,000.00

$ 410,270.94

Total Fee Offsets:

$ 0.00

Net Fee Due:

$ 410,270.94

Offering Note

1

(1) The American Depositary Shares ("ADS") are evidenced by American Depositary Receipts, and each ADS represents five ordinary shares of National Grid plc (the "Registrant"). (2) Represents ADS which may be granted under the National Grid plc Annual Performance Plan (the "Annual Performance Plan"). Pursuant to Rule 416(a) under the Securities Act of 1933, as amended, the number of ADS being registered also includes such indeterminate number of additional shares as may be issuable under the Annual Performance Plan in connection with variations in share capital, demergers, special dividends or similar transactions. (7) Stated for the purpose of calculating the amount of the registration fee pursuant to Rule 457(c) and Rule 457(h)(1) under the Securities Act of 1933. Such price has been computed based on the average of the high and low sales prices on the New York Stock Exchange on February 23, 2026, and is used solely for the purpose of determining the registration fee. Pursuant to Rule 416(c) under the Securities Act of 1933, this registration statement also covers an indeterminate amount of interests to be offered or sold pursuant to the Incentive Thrift Plan described herein.

2

(3) Represents ADS which may be granted under the National Grid plc Employee Stock Purchase Plan (the "Employee Stock Purchase Plan"). Pursuant to Rule 416(a) under the Securities Act of 1933, as amended, the number of ADS being registered also includes such indeterminate number of additional shares as may be issuable under the Employee Stock Purchase Plan in connection with variations in share capital, demergers, special dividends or similar transactions. (7) Stated for the purpose of calculating the amount of the registration fee pursuant to Rule 457(c) and Rule 457(h)(1) under the Securities Act of 1933. Such price has been computed based on the average of the high and low sales prices on the New York Stock Exchange on February 23, 2026, and is used solely for the purpose of determining the registration fee. Pursuant to Rule 416(c) under the Securities Act of 1933, this registration statement also covers an indeterminate amount of interests to be offered or sold pursuant to the Incentive Thrift Plan described herein.

3

(4) Represents ADS which may be granted under the National Grid plc Long Term Performance Plan (the "Long Term Performance Plan"). Pursuant to Rule 416(a) under the Securities Act of 1933, as amended, the number of ADS being registered also includes such indeterminate number of additional shares as may be issuable under the Long Term Performance Plan in connection with variations in share capital, demergers, special dividends or similar transactions. (7) Stated for the purpose of calculating the amount of the registration fee pursuant to Rule 457(c) and Rule 457(h)(1) under the Securities Act of 1933. Such price has been computed based on the average of the high and low sales prices on the New York Stock Exchange on February 23, 2026, and is used solely for the purpose of determining the registration fee. Pursuant to Rule 416(c) under the Securities Act of 1933, this registration statement also covers an indeterminate amount of interests to be offered or sold pursuant to the Incentive Thrift Plan described herein.

4

(5) Represents ADS which may be granted under the National Grid plc Retention Award Plan (the "Retention Award Plan"). Pursuant to Rule 416(a) under the Securities Act of 1933, as amended, the number of ADS being registered also includes such indeterminate number of additional shares as may be issuable under the Retention Award Plan in connection with variations in share capital, demergers, special dividends or similar transactions. (7) Stated for the purpose of calculating the amount of the registration fee pursuant to Rule 457(c) and Rule 457(h)(1) under the Securities Act of 1933. Such price has been computed based on the average of the high and low sales prices on the New York Stock Exchange on February 23, 2026, and is used solely for the purpose of determining the registration fee. Pursuant to Rule 416(c) under the Securities Act of 1933, this registration statement also covers an indeterminate amount of interests to be offered or sold pursuant to the Incentive Thrift Plan described herein.

5

(6) Represents ADS which may be granted under the National Grid USA Companies' Incentive Thrift Plan (the "Incentive Thrift Plan"). Pursuant to Rule 416(a) under the Securities Act of 1933, as amended, the number of ADS being registered also includes such indeterminate number of additional shares as may be issuable under the Incentive Thrift Plan in connection with variations in share capital, demergers, special dividends or similar transactions. (7) Stated for the purpose of calculating the amount of the registration fee pursuant to Rule 457(c) and Rule 457(h)(1) under the Securities Act of 1933. Such price has been computed based on the average of the high and low sales prices on the New York Stock Exchange on February 23, 2026, and is used solely for the purpose of determining the registration fee. Pursuant to Rule 416(c) under the Securities Act of 1933, this registration statement also covers an indeterminate amount of interests to be offered or sold pursuant to the Incentive Thrift Plan described herein.

Table 2: Fee Offset Claims and Sources ☑Not Applicable
Registrant or Filer Name Form or Filing Type File Number Initial Filing Date Filing Date Fee Offset Claimed Security Type Associated with Fee Offset Claimed Security Title Associated with Fee Offset Claimed Unsold Securities Associated with Fee Offset Claimed Unsold Aggregate Offering Amount Associated with Fee Offset Claimed Fee Paid with Fee Offset Source
Rule 457(p)
Fee Offset Claims N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A
Fee Offset Sources N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A