(Adds Petrobas, Alitalia, B2Gold Corp; Updates ArcelorMittal)
Oct 12 (Reuters) - The following bids, mergers, acquisitions and disposals were reported by 2000 GMT on Friday:
** French utility Engie and a Canadian pension fund Caisse de Depot et Placement du Quebec plan to offer as much as $9 billion for Petrobras' natural gas pipeline network, potentially a $1 billion boost from their initial bid, Bloomberg reported, quoting people with knowledge of the matter.
** Italian railway group Ferrovie dello Stato said it had presented a non-binding expression of interest in ailing airline Alitalia.
** Canada's B2Gold Corp is interested in any West African asset that Barrick Gold Corp may put up for sale after its acquisition of African miner Randgold Resources Ltd, B2Gold's chief executive said.
** ArcelorMittal, the world's largest steel producer, has agreed to sell plants in the Czech Republic, Romania, Macedonia and Italy to Liberty House to satisfy regulatory requirements for its acquisition of Italian steelmaker Ilva.
** Britain's Sports Direct, the sportswear group controlled by retail tycoon Mike Ashley, has agreed to buy the freehold of the Frasers department store in Glasgow for 95 million pounds ($125.7 million), it said.
** Italy could hold around 15 percent of a relaunched Alitalia, with the new company having up to two billion euros ($2.3 billion) of capital, Deputy Prime Minister Luigi Di Maio said.
** Germany's BMW said on Thursday it will pay 3.6 billion euros ($4.2 billion) to take control of its main joint venture in China, the first such move by a global carmaker as Beijing starts to relax ownership rules for the world's biggest auto market.
Compiled by Aakash Jagadeesh Babu in Bengaluru