 HOUSTON, Jan. 29, 2021 GLOBE NEWSWIRE -- Allegiance Bancshares, Inc. NASDAQ: ABTX Allegiance, the holding company of Allegiance Bank, announced the addition of Jon-Al Duplantier to Allegiances Board of Directors. I am pleased that Jon-Al has agreed to join our Board as he brings deep corporate governance and leadership experience that will be a tremendous asset, said George Martinez, Chairman of Allegiance. 