(SAN FRANCISCO) — Authorities say StarKist has agreed to plead guilty to price fixing as part of a broad collusion investigation of the canned tuna industry. Federal prosecutors announced the plea agreement Thursday and said the company faces a fine up to $100 million. Bumble Bee Foods last year pleaded guilty to the same charge and paid a $25 million fine. Chicken of the Sea has not been charged because prosecutors say the company exposed the scheme and cooperated with the investigation. Two former Bumble Bee executives and a former StarKist executive also each pleaded guilty to price-fixing charges. Former Bumble Bee chief executive Christopher Lischewski has pleaded not guilty to a price fixing charge. The three companies are accused of conspiring to keep canned tuna prices artificially high between 2010 and 2013.