Vasiliy Shakhnovsky, 46, one of Yukos' key shareholders, is the first of the company's executives to be found guilty after the wide-ranging investigations into its financial affairs.
Shakhnovsky's business partners - Mikhail Khodorkovsky, the former head of Yukos and its largest shareholder, and Platon Lebedev, another big shareholder - remain in custody awaiting trial.
Russian prosecutors requested an 18-month open prison sentence but the judge said Shakhnovsky no longer posed a threat to society or worked at the company. The court did rule that he illegally claimed tax exemption pretending to be a consultant for a shell offshore company registered in the Isle of Man while drawing a salary at Yukos.
