Oct 31 (Reuters) - The following bids, mergers,

acquisitions and disposals were reported by 0930 GMT on

Thursday:

** Siemens announced a $10.6 billion deal to buy

U.S. engineering software firm Altair Engineering ( ALTR ),

cheering analysts who see it boosting the company's presence in

the fast-growing industrial software market.

** British supermarket Sainsbury's ( JSNSF ) said it has sold

its Argos Financial Services cards portfolio to NewDay Group for

an expected 720 million pounds ($934 million), in line with its

strategy to focus on its core retail business.

** Mobile group Vodafone ( VOD ) and Romania-based operator

Digi said they had signed a memorandum of

understanding with Hellenic Telecommunications Organization

to buy its subsidiary Telekom Romania Mobile (TKRM).

** Private equity firm Blackstone is bidding C$7

billion ($5.03 billion) for a minority stake in telecom and

media company Rogers Communications' ( RCIAF ) cellphone

infrastructure business, the Globe and Mail reported.

** Australia's Mineral Resources (MinRes) said it

will sell the entirety of two exploration permits in the Perth

basin and form joint ventures with Hancock over remaining

onshore exploration lands around the area for up to A$1.13

billion ($743.09 million).

(Compiled by Rajarshi Roy and Prakhar Srivastava in Bengaluru)