Glatfelter (GLT) - 2025 Q4 - Annual Results

Exhibit 99.1 News Release Magnera Reports First Quarter Results First Quarter Highlights Curt Begle, Magnera's CEO, commented: "Magnera delivered a strong first quarter that met our expectations and reinforces our full-year 2026 Adjusted EBITDA and free cash flow guidance. These results reflect the continued focus and execution of our teams across the organization. Capital allocation remains disciplined and aligned with our commitment to debt reduction. During the quarter, we made $27 million in debt paymen ...