Exhibit 99.1 News Release L.B. Foster Exceeds 2023 Guidance; Delivers Strong Cash Flow, Improves Leverage, and Returns Capital to Shareholders; Establishes 2024 Guidance and Reiterates 2025 Goals Aligned with Strategic Transformation • Full year 2023 net sales of $543.7 million up 9.3$3.7 million above the upper end of guidance range; gross margins expanded 270 basis points to 20.7%. • Fourth quarter net sales of $134.9 million down 1.7% from prior year quarter ( ...