Exhibit 99.1 FOR IMMEDIATE RELEASE Quad Reports Second Quarter and Year-to-Date 2025 Results Reaffirms Full-Year 2025 Financial Guidance Continues Investing in Strategic Growth Areas — Data and Audience Intelligence, AI- Enabled Tools and Systems, and In-Store Retail Media Network SUSSEX, WI, July 29, 2025 — Quad/Graphics, Inc. (NYSE: QUAD) ("Quad" or the "Company"), a marketing experience company that solves complex marketing challenges for its clients, today reported results for the second quarter ended J ...