Roku’s shares gained about 4.5% in Wednesday’s extended market trading as the video streaming platform struck a deal with Warner Media of AT&T to bring HBO Max Service on its devices, the from 17 December.

Roku (ROKU) said that as of December 17, its users “will be able to download HBO Max from the Roku channel store and sign up directly on their Roku device to access the entire HBO Max, which includes 10,000 hours of premium narrative curated by iconic brands from HBO, Warner Bros., DC, Adult Swim and more.”

The company’s deal with HBO Max comes just a week before the highly anticipated superhero movie ‘Wonder Woman 1984’, which opens simultaneously in theaters and on HBO Max on December 25. Therefore, HBO Max subscribers can watch the movie directly on their Roku Devices at no additional cost.

Scott Rosenberg, senior vice president of platform business at Roku said: “We believe all entertainment will be broadcast and we are excited to partner with HBO Max to bring its incredible library of iconic entertainment brands and direct sales success to streaming theatrical releases to Roku homes with more than 100 million people who have made Roku the # 1 TV streaming platform in America.”