banco santander sa said tuesday that it would boost the proportion of profit distributed to shareholders to 50 in the next three years from 40 in 2022 through both cash dividends and share buybacks in new targets that include increasing customers by 25 ahead of an investor day in london the spanish bank said it aims to add 40 million customers to reach 200 million by 2025 which would boost revenue growth by around 78 a year in constant euros the company said it would target a return on tangible equitya measure of shareholder returnsof 1517 in the three years to 2025 santander said at its fourthquarter results it would target rote of more than 15 in 2023 the bank spains largest by market capitalization also said it would deliver doubledigit average annual growth in tangible net asset value per share plus dividend in the period in addition it said it aimed to keep its common equity tier 1 ratio which gauges a banks financial strength above 12 as at the end of 2022 as part of its 2022 remuneration santander said it would launch a new sharebuyback program of 921 million euros 9772 million taking its fullyear buyback pot to eur19 billion the company added it would declare a final dividend for the year of 595 european cents a share making a fullyear dividend of eur1178 up 18 on year the buyback plus dividend made a payout ratio of around 40 of the consolidated underlying profit in 2022 it said