National Grid has received a notification from UBS Group AG Investment Bank regarding its total interest in National Grid voting ordinary shares. UBS trading book holdings in National Grid PLC fell below 5% and are therefore exempt from reporting. The notification states that as of November 27, 2023, UBS Group AG Investment Bank holds 0% of voting rights attached to shares and 0% of voting rights through financial instruments. The previous notification indicated that UBS Group AG Investment Bank held 5.179408% of voting rights and 0.019115% of voting rights through financial instruments. The notification also provides information on the chain of controlled undertakings through which the voting rights and/or financial instruments are effectively held by UBS Group AG. The notice concludes by stating that UBS trading book holdings in National Grid PLC fell below 5% and are therefore exempt from reporting.