Deals of the day-Mergers and acquisitions

(Adds: Glencore, Atos, Synopsys, and Pakistan International Airlines)

May 2 (Reuters) - The following bids, mergers, acquisitions and disposals were reported by 1930 GMT on Thursday:

** Commodities group Glencore is studying an approach for Anglo American, two sources said, a development that could spark a bidding war for the 107-year old mining company.

** U.S. private equity firm Bain Capital is looking at buying some key assets of French tech and software company Atos , reported French paper Les Echos on its website, citing sources.

** Pakistan will push back the deadline for companies to express interest in buying national carrier Pakistan International Airlines to May 18, the country's privatisation minister said on Thursday.

** A private equity consortium led by Clearlake Capital and Francisco Partners is in advanced talks to acquire the software integrity (SIG) unit of chip designer Synopsys for more than $2 billion, according to people familiar with the matter.

** The Federal Trade Commission signaled it was prepared to green light Exxon Mobil's $60 billion purchase of Pioneer Natural Resources on the condition Pioneer's former CEO will not be allowed to join Exxon's board.

** Raiffeisen Bank International (RBI) could walk away from plans to buy a stake in a construction firm linked to a Russian tycoon if there is a risk of sanctions breaches, the CEO of the biggest Western bank in Russia said.

** Novartis agreed to acquire U.S. radiopharmaceutical company Mariana Oncology for $1 billion upfront, boosting its portfolio of precision cancer treatments in development, the Swiss drug manufacturer said.

** Global asset manager Janus Henderson plans to buy National Bank of Kuwait's alternative investments business in a deal that is expected to strengthen its position in emerging markets and its access to clients in the Middle East.

** An international bidding war has deepened for Australia's Namoi Cotton with Singapore's Olam Agri Holdings lobbing an A$136.6 million ($89.13 million) takeover offer that trumps a Dutch-led bid made this week.

** Shares in Spain's Sabadell jumped around 8% in early trading after it received a merger proposal from its bigger rival BBVA.

** Britain's Co-Op Bank said talks for its takeover by Coventry Building Society were "well advanced" and its multi-year revamp was now materially complete, after reporting first quarter financial performance in line with expectations.

** Abu Dhabi-based Emirates Telecommunications (e&) said it has not entered into any negotiation or agreement to acquire European cable and pay TV operator United Group, following media reports of a potential bid.

** Swiss telecoms group Swisscom said its takeover of Vodafone Italia is on track and expected to be completed in the first quarter of 2025. (Compiled by Rajarshi Roy, Pratyush Thakur and Pratik Jain in Bengaluru)