Nov. 29 (Bloomberg) -- Prokom Investments SA, a Polish holding company, and its owner Ryszard Krauze reduced their combined stake in Bioton SA, the country’s largest biotechnology company, to 21.6 percent from 24.2 percent, Bioton said in a regulatory statement late yesterday.

--Editor: James Kraus

To contact the reporter on this story: Monika Rozlal in Warsaw at mrozlal@bloomberg.net

To contact the editor responsible for this story: Balazs Penz at bpenz@bloomberg.net