Enwell Energy plc (AIM: ENW), the AIM-quoted oil and gas exploration and production group, advises that in light of Russian military activity in north-eastern and eastern Ukraine, it has shut-in and made safe its production and drilling operations at its Mekhediviska-Golotvshinska (MEX-GOL), Svyrydivske (SV) and Vasyschevskoye (VAS) gas and condensate fields and Svystunivsko-Chervonolutskyi (SC) exploration licence.