Deals of the day-Mergers and acquisitions

Adds BPER, Mitratech, OpenAI, Nippon Steel, Clear Group, Interra Resources, Altus Power, Vale, Honeywell, Beacon Roofing Supply, Sidenor, IHH Healthcare, Hub International and Insurtechs Rhino

Dec 12 (Reuters) - The following bids, mergers, acquisitions and disposals were reported by 2030 GMT on Thursday:

** Italian bank BPER EMII.MI launched a 4.3 billion euro ($4.46 billion) bid on Thursday to acquire Banca Popolare di Sondrio BPSI.MI in an all-stock deal, the latest consolidation in the country's banking sector. nL4N3OX25M

** Ontario Teachers' Pension Plan is exploring a potential sale of Mitratech that could value the provider of legal and compliance software at more than $4 billion, including debt, according to people familiar with the matter. nL6N3OW0U9

** ChatGPT maker OpenAI said on Thursday that it is evaluating U.S. states as potential artificial intelligence data center locations for its massive Stargate venture, framing the project as a matter of urgency for the United States to beat China in the global AI race. nL4N3OX21V

** A group of U.S. consumers have sued Nippon Steel 5401.T to block its proposed $14.9 billion purchase of U.S. Steel X.N, saying the deal threatens to reduce competition and drive up prices for many products. nL1N3OX14G

** Goldman Sachs-backed broker consolidator Clear Group has continued to build its footprint in Ireland with the acquisition of broker Phelan Caswell Insurances. nL6N3OX0PB

** Singapore-listed petroleum explorer Interra Resources INTR.SI said a production-sharing contract between its subsidiary and an entity controlled by the Myanmar government was extended years before the current ruling military seized power in the country in 2021. nL1N3OX0WQ

** Buyout firm TPG's TPG.O climate investment arm will acquire Altus Power AMPS.N in an all-cash deal worth $2.2 billion, including the assumption of debt, the companies said in a statement. nL4N3OX153

** Brazilian miner Vale VALE3.SA confirmed it has bought the 50% stake in its Baovale tie-up previously owned by its Chinese partner Baoshan Iron & Steel, known as Baosteel, a move that gives Vale full control of the iron ore project. nL1N3OX0YU

** Honeywell HON.O is splitting into three independently listed companies, breaking up one of America's last standing conglomerates just months after activist investor Elliott Management took a $5 billion stake in the industrial giant. nL4N3OX0X4

** Beacon Roofing Supply BECN.O said its board had recommended shareholders reject QXO's QXO.N tender offer to acquire all outstanding shares of the company for $124.25 per share in cash. nL4N3OX1WU

** A Basque consortium comprising shareholders of steelmaker Sidenor, together with the regional government and local bank Kutxabank, made an offer for a 29.8% stake in Spanish train maker Talgo TLGO.MC. nL1N3OX0O6

** IHH Healthcare IHHH.KL said its unit has sought up to 109.3 billion rupees ($1.25 billion) in compensation from Japan's Daiichi Sankyo 4568.T for preventing the Malaysian firm from owning a majority stake in India's Fortis Healthcare FOHE.NS. nL4N3OX0VQ

** Hub International has acquired the assets of John L Kiley Agency, doing business as the Rocchio Agency, based in Carmel, Indiana. nL6N3OX0ME

** Insurtechs Rhino and Jetty have announced they are to merge, with Rhino's COO Georges Clement to lead the combined company as CEO. nL6N3OX0LO

** Buyout firm TPG's TPG.O climate investment arm will acquire Altus Power for $2.2 billion in an all-cash deal, including debt, the provider of solar power to commercial property owners and residential homes said. nL4N3OX153

** Warner Music Group said it has acquired a controlling stake in Tempo Music, helping it expand its intellectual property portfolio by gaining rights for songs by artists such as Bruno Mars, Adele and Wiz Khalifa. nL4N3OX18P

** A consortium comprising shareholders of Bilbao-based steelmaker Sidenor, together with the Basque country's regional government and Spanish bank Kutxabank, made an offer for a 29.8% stake in Spanish train maker Talgo TLGO.MC. nL8N3OX1BN

** Cargill has signed a purchase and sale agreement for a 50% stake in SJC Bioenergia, giving it full control of the Brazilian sugar and renewable energy firm, according to a statement. nL1N3OW1D1

** Canada's BCI, one of the country's largest asset managers, will buy BBGI Global Infrastructure S.A. in a deal valuing the Luxembourg-based investment firm at 1.06 billion pounds ($1.32 billion), the companies said. nL4N3OX0OK

** Potentia Energy, a joint venture between Italy's Enel Green Power and Japan's INPEX Corp 1605.T, said it would buy controlling stakes in 1 gigawatts worth of renewable energy projects in Australia from private equity and superannuation fund investors. nL1N3OX03E

** Risk Strategies has acquired West Chester, Pennsylvania-based Griffith Insurance, a full-service independent insurance agency. nL6N3OW0QC

** France's second largest sugar maker Cristal Union said on Wednesday it had reached an agreement to take over the refinery of the Lesaffre family located south of Paris, marking a new consolidation in the French sugar sector. nL1N3OW1EC

** Yorkshire have become the first county cricket club to sell their entire stake in a Hundred franchise, British media reported on Wednesday. nL4N3OW23R