X0609 4 2026-07-01 0001120914 PDF SOLUTIONS INC PDFS 0001684663 Erba Nancy false 2858 DE LA CRUZ BOULEVARD SANTA CLARA CA 95050 1 0 Common Stock 2026-07-01 4 A 0 2689 A 11943 D Common Stock 31868 I By Trust These shares represent an award of Restricted Stock Units (Total RSU) under the Company's Director Compensation Program. RSU shall vest in four (4) equal installments of twenty-five percent (25%) of the Total RSUs, with vesting occurring on the first day of each calendar quarter following the Grant Effective Date until fully vested, subject to the Recipient's continued service through each applicable vesting date. /s/ Adnan Raza, Attorney-in-Fact for Nancy Erba 2026-07-02