Sept 11 (Reuters) - The following bids, mergers, acquisitions and disposals were reported by 0930 GMT on Thursday:

** Convenience store operator RaceTrac agreed to buy sandwich chain Potbelly Corp PBPB.O for approximately $566 million on Wednesday, in a rare move for a convenience store operator to buy out a restaurant brand.

nL6N3UX0QX ** Barrick Mining ABX.TO said on Wednesday it agreed to sell its Hemlo gold mine in Canada to Carcetti Capital for up to $1.09 billion.

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** Australia's second-largest gas producer Santos STO.AX said on Thursday it has signed an agreement with explosives manufacturer Orica ORI.AX to negotiate a potential domestic gas supply deal from its Narrabri Gas Project in New South Wales.

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** Private equity firm GTCR has struck a 4.1 billion euro ($4.8 billion) deal to buy Czech generic drugmaker Zentiva 1SKF401E.BV from Advent International, the Financial Times reported on Wednesday, citing unidentified sources.

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** French energy infrastructure company Technip Energies TE.PA said on Thursday it had agreed to buy U.S.-based chemicals group Ecovyst's ECVT.N Advanced Materials & Catalysts business for $556 million.

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** Spanish power utility Iberdrola IBE.MC has bought a 30.29% stake in its Brazilian business Neoenergia NEOE3.SA from Brazil's Previ pension fund for 11.95 billion reais ($2.21 billion), it said.

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** Global investment firms Carlyle Group and EQT, alongside regional players HongShan Capital Group and Boyu Capital, are preparing final offers for a controlling stake in Starbucks' China operations, said five people with knowledge of the matter.

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** Lufthansa LHAG.DE is working with Italy's economy ministry to increase its stake in state airline ITA Airways to 90% by June 2026, the Corriere della Sera newspaper reported, citing two sources familiar with the discussions.

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(Reporting by Anuj T)

((Anuj.T@thomsonreuters.com;))