X0508 4 2024-01-02 0 0001743725 GRID DYNAMICS HOLDINGS, INC. GDYN 0001805657 Livschitz Leonard C/O GRID DYNAMICS HOLDINGS, INC. 5000 EXECUTIVE PARKWAY, SUITE 520 SAN RAMON CA 94583 1 1 0 0 Chief Executive Officer 1 Common Stock 2024-01-02 4 S 0 15000 13.0799 D 2805442 D These shares were sold pursuant to a Rule 10b5-1 trading plan adopted by the Reporting Person on September 1, 2023. This transaction was executed in multiple trades at prices ranging from $12.96 to $13.25. The price reported above reflects the weighted average sale price. The Reporting Person undertakes to provide upon request by the staff of the Securities and Exchange Commission, the Issuer, or a security holder of the Issuer, full information regarding the number of shares sold at each separate sale price. /s/ Anil Doradla, by power of attorney 2024-01-04