Deals of the day-Mergers and acquisitions

September 2 (Reuters) - The following bids, mergers, acquisitions and disposals were reported by 1330 GMT on Wednesday:

• Vertiv Holdings VRT.N said it would acquire microgrid and advanced power controls company Utility Innovation Group for about $1.45 billion in cash, with an additional payment of up to $1.15 billion if certain earnings targets are met.

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• South Korea's Alteogen 196170.KQ said it has signed a deal with Novartis NOVN.S worth up to $3.22 billion, giving the Swiss drugmaker access to its technology to make injectable versions of intravenous drugs.

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• Investment firm KKR & Co KKR.N has agreed to buy residential garage door repair and replacement company A1 Garage Door Service for around , according to sources familiar with the matter.