|Issuer:||PDF SOLUTIONS INC (PDFS)|
|Original Submission Date:|
BRONSON JOSEPH R
2858 DE LA CRUZ BLVD.
SANTA CLARA, CA 95050
|Title of Security||Transaction Date||2a. Deemed Execution Date||Transaction Code||Shares||Acquired or Disposed||Price per share||5. Amount of Securities Beneficially Owned Following Reported Transaction||6. Ownership Form Direct or Indirect||Nature of Indirect Ownership|
|Title of Derivative Security||Conversion or Exercise Price of Derivative Security||Transaction Date||Deemed Execution Date||Transaction Code||Number of Derivative Securities Acquired (A) or Disposed of (D)||Date Exercisable||Expiration Date||Title and Amount of Securities Underlying Derivative Security||Price of Derivative Security||Number of derivative Securities Beneficially Owned Following Reported Transaction(s)||Ownership Form: Direct (D) or Indirect (I)||Nature of Indirect Beneficial Ownership|
|f1||these shares represent an award of restricted stock units granted under the company's director compensation program. 25% of the total shares vested on august 1, 2020 (vesting start date) and 25% of the total shares shall vest on each anniversary of the vesting start date thereafter until fully vested, provided that the reporting person continues to serve as a director on the board of directors.|