Exhibit 99.1 Grid Dynamics Reports First Quarter 2024 Financial Results Revenue of $79.8 million and GAAP Net Loss of $3.9 million San Ramon, Calif. May 2, 2024 – Grid Dynamics Holdings, Inc. (Nasdaq: GDYN) (“Grid Dynamics” or “Company”), a leader in enterprise-level digital transformation, today announced results for the first quarter ended March 31, 2024. We are very pleased to report the first quarter 2024 revenues of $79.8 million that was higher than our outlook range of $77.0 million to $79.0 million ...