The world's second-largest brewer said it sold 5.1 percent less beer on a like-for-like basis than a year earlier, with Asia-Pacific sales down 37.4 percent as Covid-19 restrictions hit Cambodia, Indonesia, Malaysia and Vietnam.
The maker of Europe's top-selling beer, Heineken, and Tiger and Sol lagers retained its forecast of full-year results finishing below those of pre-pandemic 2019.
Vietnam, consistently one of Asia's fastest-growing economies, suffered a record contraction in the third quarter as an outbreak of the Delta variant of the coronavirus led to a strict lockdown in the commercial hub of Ho Chi Minh City.
The city's lockdown started to ease this month, and though bars remain closed, Heineken Chief Executive Dolf van den Brink said there are signs of recovery in the Asia-Pacific region
Rivals Anheuser-Busch InBev and Carlsberg provide updates on the third quarter on Thursday.