Professional Diversity Network, Inc.

Unless we specify otherwise, all references in this annual report on Form 10-K (the “Annual Report”) to “PDN,” “the Company,” “we,” “our,” and “us” refer to Professional Diversity Network, Inc., and its consolidated subsidiaries. This discussion contains forward-looking statements, which are based on our assumptions about the future of our business.Our actual results will likely differ materially from those contained in the forward-looking statements.Please read“Special Note Regarding Forward-Looking Statements”* for additional information regarding forward-looking statements used in this Annual Report.*

On March 7, 2025, we filed a certificate of amendment to our Amended and Restated Certificate of Incorporation in order to implement a 10-for-1 reverse stock split, through which each ten shares of common stock, par value $0.01 per share, issued and outstanding were combined and changed into one share of common stock, par value $0.01 per share (“Common Stock”), effective March 13, 2025. All share amounts and share prices in this annual report on Form 10-K have been adjusted to give effect to the reverse stock split.