Billboard is exclusively announcing the lineup for React Presents' fourth annual Spring Awakening Music Festival in Chicago, revealing a balanced roster spread across three days from June 12-14.

Zedd and Eric Prydz will headline Friday, while Hardwell and Diplo are slated for Saturday. Tiësto and Afrojack will close out the festival on Sunday. The SFX-owned promotion company also revealed that a surprise headliner would make their Chicago debut and be unveiled in the coming weeks.

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Other announced acts include Dada Life, Duke Dumont, Excision, Martin Garrix, Oliver Heldens and Zeds Dead. On special branded stages, Paul Van Dyk will anchor the Trance Arena, Zomboy will man the Bass Kitchen, and Jamie Jones will take over the Beatport Stage. Homegrown Windy City talents like Cajmere, Derrick Carter, and Flosstradamus will also be featured at the festival.

This year's edition finds the event expanding to four stages to better accommodate the more than 75 acts that will be in attendance. Originally founded as a concert series in 2008, last year's Spring Awakening festival drew nearly 100,000 total fans.

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Spring Awakening Music Festival 2015 will take place at Soldier Field in Chicago, Ill.

General admission and VIP tickets are on now sale at www.springawakeningfestival.com.