Exhibit 99.1 For Immediate Release ORIGIN BANCORP, INC. REPORTS EARNINGS FOR SECOND QUARTER 2026 RUSTON, Louisiana (July 22, 2026) - Origin Bancorp, Inc. (NYSE: OBK) ("Origin," "we," "our" or the "Company"), the holding company for Origin Bank (the "Bank"), today announced net income of $33.8 million, or $1.09 diluted earnings per share ("EPS") for the quarter ended June 30, 2026, compared to net income of $27.7 million, or $0.89 diluted EPS, for the quarter ended March 31, 2026. Pre-tax, pre-provision ("PT ...