** Shares in Erste Group ERST.VI rise around 7% after the Austrian lender has agreed to buy 49% stake in Banco Santander's SAN.MC Polish unit and a 50% in its Polish asset management business
** Banco Santander's shares are up some 1% while those of the Polish unit, Santander Bank Polska SPL1.WA, fall 4.5%
** The all-cash deal at 584 zlotys per share represents a premium of 7.5% versus Santander Bank Polska's closing price May 2, Santander said
(Reporting by Javi West Larrañaga)
((javier.west@thomsonreuters.com; +48 58 769 65 76))