April 22 (Reuters) - The following bids, mergers,

acquisitions and disposals were reported by 0930 GMT on Monday:

** Saudi Arabia's sovereign wealth fund PIF has agreed to

acquire a 51% stake in Telecommunication Towers Company Limited

(TAWAL) from STC Group, paving the way for the

creation of the region's largest telecom tower company, PIF and

STC said.

** Portuguese oil company Galp Energia has

launched the sale of half of its stake in an exploration block

offshore Namibia where it has made a major oil discovery, three

industry sources familiar with the matter told Reuters.

** European investment company Permira has begun the process

for the sale of its 50% stake in Asian aquatic food provider

Grobest, targeting a valuation of about $1 billion for the

Taiwan-based company, said three sources close to the matter.

** Korea's SK Square is selling up to $198 mln

of Krafton Inc in a block trade, according to a term

sheet seen by Reuters.

** U.S.-based Quanex Building Products ( NX ) will buy doors

and windows supplier Tyman ( LPUSF ) in a cash and share deal,

valuing the British firm at about 788 million pounds ($976

million), the companies said.

** Blackstone made a potential offer to buy Hipgnosis

Songs Fund ( HPGSF ) for about $1.5 billion, outbidding

Apollo-backed Concord and triggering a takeover battle for the

owner ofmusic rights by artists including Shakira and Red Hot

Chili Peppers.

** Business software maker Salesforce ( CRM ) has backed

away from its talks to acquire data-management software firm

Informatica ( INFA ) after the two companies could not agree on

terms, a person familiar with the matter told Reuters on Sunday.

** Australian mineral sands miner Base Resources ( BSRUF )

said it had agreed to a A$375 million ($240.90 million) takeover

offer from U.S.-based uranium and rare earths producer Energy

Fuels ( UUUU ).

(Compiled by Rajarshi Roy and Anuja Bharat Mistry in Bengaluru)