Kyivstar mobile communications operator will annul only old contract tariffs with the small number of subscribers from September 1, 2017 and these tariffs of out-of-date, Kyivstar President Petro Chernyshov told Interfax-Ukraine on Wednesday.

"These are all contract subscribers – 140,000 [around 0.5% of the subscribers' base] with very old contract tariffs. Now we are selling another contract tariffs. We simply annulled old tariffs and selected the closest new tariffs in prices with a large 3G Internet package in them. People have received new tariffs with a large amount of gigabytes and new services," he said.