Around three quarters of its employees in Britain will receive 500 pounds in October and another 500 pounds in April, the spokesperson said, confirming a report from Spanish newspaper Cinco Dias.
Senior executives and management will not be entitled to the bonus.
Several British lenders have similarly given thousands of their staff a one-off sum or a pay rise to help them cope with soaring prices, including HSBC, Barclays, Lloyds, NatWest and the U.K. arm of Santander.
($1 = 0.8807 pounds)
(Reporting by Jesús Aguado; editing by Inti Landauro and Jason Neely)