PDF Solutions, Inc. (NASDAQ:PDFS) Q1 2023 Earnings Conference Call May 9, 2023 5:00 PM ET Company Participants John Kibarian - President and Chief Executive Officer Adnan Raza - Chief Financial Officer Conference Call Participants Blair Abernethy - Rosenblatt Securities Thomas Diffely - D.A. Davidson Christian Schwab - Craig-Hallum Capital Group Operator Good day, everyone, and welcome to the PDF Solutions Inc. Conference Call to discuss its Financial Results for the [fourth quarter and year-end 2023 Confe ...

Table of Contents g UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-Q ☑ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the Quarterly Period ended March 31, 2023 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from _______________ to ______________ Commission File Number 000-31311 PDF SOLUTIONS, INC. (Exact name of Registrant as Specified in its Charter) Delawar ...

Table of Contents UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 10-K (Mark One) ☒ ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended December 31, 2022 or ☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to 000-31311 (Commission file number) PDF SOLUTIONS, INC. (Exact name of registrant as specified in its charter) Delaware 25-1701361 (State or ot ...