National Grid plc

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Company Name	National Grid plc
Stock Symbol	NGG

On July 1, 2025, the National Energy System Operator in the UK published a report stating that a fire on March 20, 2025, that resulted in Heathrow Airport shutting down, had been caused by a known fault at an electrical substation owned by National Grid, which had been aware of the problem since 2018 but failed to fix it.

On this news, National Grid’s stock price fell $3.77, or 5.1%, to close at $70.61 per share on July 2, 2025, thereby injuring investors.

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If you suffered a loss on your National Grid plc investments or would like to inquire about joining an action to recover your loss under the federal securities laws, please complete the form below. Please note that submission of this form does not by itself form an attorney-client relationship nor does filing out this form mean you have joined any lawsuit.

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