(Adds: Gerdau ( GGB ))

Nov 21 (Reuters) - The following bids, mergers,

acquisitions and disposals were reported by 1430 GMT on

Thursday:

** Brazilian steelmaker Gerdau ( GGB ) has signed a

deal to buy out the stakes owned in Gerdau Summit by its joint

venture partners Sumitomo Corporation and Japan Steel Works, it

said in a securities filing.

** Spanish steelmaker Celsa has sold its mills in Britain

and Norway to Se.ven GI, the Czech investment fund said,

confirming an earlier report on news website El Confidencial.

(Compiled by Rajarshi Roy and Pooja Menon in Bengaluru)