Exhibit 99.1 Aterian Reports 2025 First Quarter Financial Results Updates Progress of Tarif Mitigation Strategy and Announces Cost Optimization Plan Designed to Reduce Annual Spending by $5 -$6 Million SUMMIT, NEW JERSEY, May 14, 2025 – Aterian, Inc. (Nasdaq: ATER) ("Aterian" or the "Company"), a consumer products company, today announced financial results for the first quarter ended March 31, 2025 ("Q1 2025"). The Company also provided an update on a series of initiatives that are underway to mitigate the ...