It looks like this is the first leg of the tour. Alice in Chains is expected to announce more dates.

April 2013

Apr 25 - Miami Beach, FL - The Fillmore

Apr 30 - Birmingham, AL - BUCC Concert Hall

May 2013

May 1 - Augusta, GA - William B. Bell Auditorium

May 5 - Norfolk, VA - Norva

May 7 - Bethlehem, PA - Sands Event Center

May 8 - Pittsburgh, PA - Benedum Center

May 14 - Sioux Falls, SD - Lyons Fairgrounds

May 15 - Milwaukee, WI - Eagles Ballroom

May 18 - Philadelphia, PA - Susquehanna Bank Center

May 21 - Ft. Wayne, IN - Embassy Theatre

May 22 - Evansville, IN - Aiken Theatre

May 24 - Lincoln, NE - Pinewood Bowl Amphitheater

June 2013

Jun 14 - Donington Park, England - Download Festival

September 2013

Sep 13 - Rio de Janeiro, Brazil - Rock in Rio