Harte Hanks (HHS) Proxy Filing summary

Executive summary

• Supplemental proxy statement updates beneficial ownership disclosures for the 2025 annual meeting.

• The update adds a new principal stockholder with over 5% ownership, based on newly obtained information.

• All other proposals and information in the original proxy statement remain unchanged.

Shareholder rights and capital structure

• Gary S. Rosenbach and Susan Rosenbach now reported as beneficial owners of 1,934,106 shares, representing 26.26% of outstanding common stock.

• Other principal holders include William Blair & Company (8.97%), Houston H. Harte Estate (8.97%), and Westerly Holdings LLC (8.43%).

• All current directors and executive officers as a group own 9.16% of outstanding shares.

• Beneficial ownership details are as of March 25, 2025, with 7,364,430 shares outstanding.

Related party transactions

• Rosenbach's ownership includes jointly held shares, family trusts, and retirement accounts for both himself and his spouse.