May 5 (Reuters) - The following bids, mergers,

acquisitions and disposals were reported by 0930 GMT on Monday:

** Austria's Erste Group Bank acquired a 49% stake in

Santander's Polish unit for around 6.8 billion euros ($7.7

billion), Santander and Erste said, driving shares in Santander

Bank Polska down around 5% in Warsaw.

** South Africa's Gold Fields will acquire Gold Road

Resources ( ELKMF ) in a sweetened deal valuing the Australian

miner's equity at A$3.7 billion ($2.4 billion), as sky-high

bullion prices drive a wave of tie-ups.

** AI-powered defense startup Anduril Industries said it has

entered into a definitive agreement to acquire Ireland-based

tactical communications systems maker Klas.

(Compiled by Rajarshi Roy and Neil J Kanatt in Bengaluru)