Exhibit 99.1 FOR IMMEDIATE RELEASE Quad Reports Fourth Quarter and Full-Year 2023 Results Achieves 2023 guidance, including Net Debt Leverage of 2.0x, and continues commitment to debt reduction by lowering long-term targeted Net Debt Leverage range to 1.75x to 2.25x Reinitiates quarterly dividend of $0.05 per share SUSSEX, WI, February 20, 2024 — Quad/Graphics, Inc. (NYSE: QUAD) (“Quad” or the “Company”), a global marketing experience company, today reported results for the fourth quarter and full year ende ...