AMSTERDAM (AP) — Dutch brewer Heineken NV said Wednesday it will keep fighting to buy the shares it doesn’t already own of Asia Pacific Breweries Ltd of Singapore, the owner of Tiger beer, despite efforts to upset the deal by a Thai tycoon.

Last week Heineken’s longtime co-investor in APB, Fraser and Neave Ltd., agreed to sell its 39.7 percent stake in APB to Heineken at 50 Singapore dollars per share, plus some other operations, for a total sum of $4.23 billion. Heineken’s bid represented a 45 percent premium to APB’s share price before the offer, and the sale would have given Heineken 82 percent of APB’s shares.