October 10 (SeeNews) - Croatian pension fund management company PBZ Croatia Osiguranje plans to increase the equity capital of hotel and restaurant operator Modra Spilja [ZSE:MDSP] to 60.6 million kuna ($8.8 million/8.5 million euro) from 38.6 million kuna through a new share issue, Modra Spilja said on Monday.