HXPN, Inc. announces Purchase of Working Interest in Bayou Villars Field, South La; Relocation of HXPN, Inc Headquarters to Frisco, TX. FRISCO, TEXAS., Aug. 09, 2022 (GLOBE NEWSWIRE) -- HXPN, Inc., (OTC PINK: HXPN), an emerging technology and mineral resources development company, today announced that it has recently closed the...