The Initiative Group Of Independent Right Campaigners says in a statement Otabek Madumarov and Asadulla Yigitaliev on July 25 received prison terms of 7 1/2 years and six years and eight months, respectively.
The group, which monitored the trial, says the defendants denied the charges brought against them.
It also says Madumarov and Yigitaliev were tortured during their pretrial detention.
There has been no official comment from Uzbek authorities.