September 1 (SeeNews) - Croatia's hotel operator Helios Faros [ZSE:HEFA] said on Friday its two largest shareholders, pension fund manager PBZ Croatia Osiguranje (PBZ CO) and hotel operator Valamar Riviera [ZSE:RIVP] have proposed to increase by 8 million euro ($8.7 million) its equity capital of 48.6 million euro through a new share issue.