(Updates Gilead Sciences, Adds AstraZeneca, Dow Chemical)
Aug 28 (Reuters) - The following bids, mergers, acquisitions and disposals were reported by 2000 GMT on Monday:
** AstraZeneca has forged a research collaboration with Boston-based Berg, a specialist in artificial intelligence for drug hunting, in the latest sign of big pharma's interest in using supercomputers for drug discovery.
** U.S. company Dow Chemical plans to buy an additional 15 percent stake in its $20 billion joint venture with Saudi Aramco IPO-ARMO.SE, the companies said on.
** JBF RAK, a United Arab Emirates subsidiary of Indian polyester maker JBF Industries, is in talks to sell its plant in Belgium for up to 250 million euros ($298 million) in an effort to settle part of its debt, sources familiar with the matter said.
** Toromont Industries Ltd said it would buy privately held Hewitt Group for about C$1.02 billion ($818 million) in cash and shares to expand its network of heavy equipment dealers in eastern Canada.
** Gilead Sciences Inc agreed to buy Kite Pharma Inc in a nearly $12 billion deal, as it looks to replace flagging sales from hepatitis C drugs with an emerging and expensive class of cancer immunotherapies that are expected to generate billions of dollars in revenue.
** Indonesia's Asia Pulp & Paper Co (APP) and its parent Sinar Mas Group denied they were planning to buy pulpmaker Eldorado Brasil Celulose SA, which is up for sale after its controlling shareholders got ensnared in Brazil's worst corruption probe.
** Fusion Telecommunications International Inc will buy the cloud and business services unit of Birch Communications in a deal that creates a combined company worth about $950 million, including debt, according to people familiar with the matter.
** Creditor banks of Jaiprakash Power Ventures Ltd are seeking bidders to buy a stake of at least 30 percent in the Indian power producer, the majority of which they jointly own, a banker involved in the sale told Reuters.
** China's top coal miner Shenhua Group Corp Ltd will take over China Guodian Group Corp, among the country's top five state power producers, in a deal that will create the world's largest power utility worth $278 billion.
** PICC Group, parent of the China's biggest non-life insurer, is in talks with potential targets in Southeast Asia, with deals likely executed before the end of the year, a top company executive said.
** Miner Glencore Plc said it has kicked off a bid to sell its Rolleston thermal coal mine in Australia, together with its joint venture partners, Japanese trading houses Itochu Corp and Sumitomo Corp.
** KBank, Thailand's fourth-largest commercial bank, has taken a 9.99 percent stake in Bank Maspion Indonesia for $20 million to help strengthen its regional presence, the bank said.
** CBS Corp, the United States' most-watched television network, said it plans to buy its biggest customer in Australia, Ten Network Holdings Ltd, and launch its streaming service in the country.
** A consortium led by Western Digital Corp is close to an agreement to buy Toshiba Corp's $17.4 billion chip business, with the U.S. firm's CEO in Tokyo to finalize the long and contentious talks, a person familiar with the matter said.
** ExxonMobil said it has completed the acquisition of Jurong Aromatics, a refining and petrochemical plant in Singapore, that will meet fast-growing demand in Asia.
** Brazil's Raízen Combustíveis SA is close to buying parent Royal Dutch Shell Plc's Argentina gas station network for more than $1 billion, two people familiar with the plan said on Friday. (Compiled by Akankshita Mukhopadhyay and Laharee Chatterjee in Bengaluru)