Exhibit 99.1 NWPX Infrastructure, Inc. Announces Third Quarter 2025 Financial Results VANCOUVER, Washington—October 29, 2025—NWPX Infrastructure, Inc. (NASDAQ: NWPX) (the "Company"), a leading manufacturer of water-related infrastructure products, today announced its financial results for the third quarter ended September 30, 2025. The Company will broadcast its third quarter 2025 earnings conference call on Thursday, October 30, 2025 at 7:00 a.m. PT. Management Commentary "We delivered our strongest quarte ...