Vingroup JSC is offering to sell as much as $300 million worth of exchangeable dollar-denominated bonds due in 2028, according to terms of the deal seen by Bloomberg News.•	Co. offering $250m base amount with $50m same-day upsize option: termso	Coupon of 9.5% to 10% per year in arrear, paid quarterly•	Bonds are exchangeable for shares of Vinhomes JSC•	Initial exchange price of 51,635 Vietnamese dong to 53,880 dong each•	Vingroup plans to use part of the proceeds to repurchase existing bonds, as it’s offering to buy back as much as $300m worth of its $500m 3.00% exchangeable bonds due 2026o	Holders tendering bonds eligible to receive $196,000 cash per $200,000 in principal•	HSBC and UBS are joint bookrunners and joint lead managers 