T-Mobile US on Wednesday exceeded expectations for quarterly wireless subscriber additions as more customers chose its discounted plans that bundle streaming services like Netflix, sending its shares up 2% in after-hours trading.

The U.S. telecom firm said on Wednesday it had added 403,000 net monthly bill-paying wireless phone subscribers in the July-September period, above Visible Alpha estimates of 393,430 additions. Premium plans have helped AT&T stay competitive in the saturating U.

The U.S. telecom giant raised its postpaid net customer additions forecast to be between 5.6 million and 5.8 million, from its earlier projection of 5.4 million to 5.7 million. T-Mobile, one of the top three telecom carriers in the U.

AT&T gained more wireless subscribers than expected in the third quarter, driven by the steady adoption of its higher-tier unlimited plans that come with perks including increased hotspot data. The U.