Exhibit 99.1 Company Press Release May 16, 2024 Flowers Foods (NYSE: FLO) FLOWERS FOODS, INC. REPORTS FIRST QUARTER 2024 RESULTS THOMASVILLE, Ga. – Flowers Foods, Inc. (NYSE: FLO) today reported financial results for the company’s 16-week first quarter ended April 20, 2024. First Quarter Summary: Compared to the prior year first quarter where applicable • Sales increased 2.8% to a first-quarter record, $1.577 billion. • Net income increased 3.3% to $73.0 million, primarily due to moderating input costs and ...