Aug 11 (Reuters) - The following bids, mergers, acquisitions and disposals were reported by 0930 GMT on Thursday:
** South Africa's Steinhoff SNHG.DE has improved the terms of its agreed takeover of British discount retailer Poundland PLND.L , saying its 610.4 million pound ($794.6 million) offer is final. German carbon specialist SGL Group SGCG.DE said it had decided to sell its graphite electrode unit and aimed for a deal by the end of the year. Australia blocked the A$10 billion ($7.7 billion) sale of its biggest energy grid to State Grid Corp of China STGRD.UL and Hong Kong's Cheung Kong Infrastructure Holdings 1038.HK citing security concerns, a blow to the country's privatization plan. Britain's vote to leave the European Union does not change the likelihood of Thyssenkrupp TKAG.DE and Tata Steel Ltd TISC.NS merging their steel operations, Thyssenkrupp's finance chief said. German consumer goods group Henkel HNKG_p.DE expects North American Sun Products to add 1.4 billion euros ($1.56 billion) to group sales, following June's acquisition of the laundry detergent maker. Poland's fourth-biggest power group Energa ENGP.WA said rival Enea ENAE.WA and other companies were interested in joining Energa's project to build a 1 gigawatt (GW) coal-fuelled power plant in Ostroleka. CJ Corp 001040.KS , the holding company of food-to-logistics CJ Group, and retailer SK Networks 001740.KS said they submitted separate non-binding bids to acquire South Korean home appliance rental company Tongyang Magic Inc. Spain's Banco Popular POP.MC is considering putting its U.S. unit TotalBank up for sale, Cinco Dias newspaper reported, as the lender looks to cut costs and clean up a balance sheet weighed down by soured property loans.