Exclusive: Tokyo Gas unit nears $4.6 billion deal to buy U.S. natgas producer
A unit of Tokyo Gas Co Ltd is in advanced talks to buy U.S. natural gas producer Rockcliff Energy from private equity firm Quantum Energy Partners for about $4.6 billion, including debt, people familiar with the matter said on Tuesday.
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### Instruction: Exclusive: Tokyo Gas unit nears $4.6 billion deal to buy U.S. natgas producer

### Response: A unit of Tokyo Gas Co Ltd is in advanced talks to buy U.S. natural gas producer Rockcliff Energy from private equity firm Quantum Energy Partners for about $4.6 billion, including debt, people familiar with the matter said on Tuesday.