Exhibit 99.1 Zevia Announces Fourth Quarter and Full Year 2023 Results Q4 Net Sales up 6.9%, including unit volumes up 3.7% LOS ANGELES – February 27, 2024 (BUSINESS WIRE) – Zevia PBC (“Zevia” or the “Company”) (NYSE: ZVIA), the company bringing great tasting, zero sugar beverages made with simple, plant-based ingredients across usage occasions today reported results for the fourth quarter and fiscal year ended December 31, 2023. Fourth Quarter 2023 Highlights • Net sales increased 6.9% year over year to $3 ...