More bands added to the line up -

- Counterfeit
-Waterparks
- With Confidence,
-Crossfaith,
- Decade
-Milk Teeth,
-Andrew McMahon In The Wilderness,
-Black Foxxes
- Fort Hope
- SHVPES
- Puppy
- Against Me
- Casey
- Area 11
- Homebound
- The Gospel Youth

Slam Dunk will be taking place across Birmingham, Leeds and Hatfield between the dates - 26th-28th May.
Enter Shikari are headlining and will be performing their dubut album, Take To The Skies in full, a celebration of 10 years since the release.

Joining them to the rest of the line up will be -

-Don Broco (UK festival exclusive)
-Bowling For Soup
-Less Than Jake
-Reel Big Fish
-Cute Is What We Aim For (playing 'The Same Old Blood Rush With A New Touch' in full)
-We The Kings (playing 'We The Kings' in full)
-Frank Iero And The Patience
-Deaf Havana
-We Are The Ocean
-The Maine
-Crime In Stereo
- Sorority Noise
-Too Close To Touch
-Seaway
-Boston Manor
-WSTR