Exhibit 99.1 KADANT INC. One Technology Park Drive Westford, MA 01886 USA Tel: +1 978-776-2000 PRESS RELEASE www.kadant.com Kadant Reports First Quarter 2024 Results WESTFORD, Mass., April 30, 2024 - Kadant Inc. (NYSE: KAI) reported its financial results for the first quarter ended March 30, 2024. First Quarter Financial Highlights • Revenue increased 8% to a record $249 million • Gross margin was 44.6% • Adjusted gross margin was 45.5% excluding acquisition-related costs • Operating cash flow decreased 38% ...