July 20 (Reuters) - Australia's Santos Ltd (STO) said on Tuesday it made an A$8.83 billion ($6.48 billion) bid to buy Oil Search (OSH) in a deal that would create a top-20 global oil and gas company.
The all-stock proposal, which was made in June, implies a deal price of A$4.25, a 12.3% premium to Oil Search's close on June 24. ($1 = 1.3622 Australian dollars)