Costco Is Sued Over Preservatives in Its $5 Rotisserie Chickens NYT Par :Amanda Holpuch 29 janvier 2026 à 19:29 A proposed class-action lawsuit claims Costco was misleading customers and engaging in false advertising when it described the chicken as having no preservatives. © Brittany Greeson for The New York TimesTwo plaintiffs in a lawsuit against Costco said they would not have bought rotisserie chickens if they knew they contained food additives.