From the official site:
SATURDAY, AUGUST 13th - ALPINE VALLEY MUSIC THEATRE
ON SALE SATURDAY, JUNE 4th at 10 AM
CHICAGO, IL – Known for being loyal to their fans, Coldplay regrets any disappointment caused by the demand for limited tickets to their recent show at Metro. To satisfy all Chicagoland and Wisconsin Coldplay fans, the band has announced a show at the Alpine Valley Music Theatre in East Troy, Wisconsin on Saturday, August 13th. This concert will go on sale Saturday, June 4th.We encourage people to go to the Members' area to register for their free fan club. Members will be able to participate in a first come-first served ticket presale in advance of the Alpine Valley on sale date.
Tickets for Coldplay are $69.00* for reserved pavilion seats and general admission pit tickets. Lawn tickets are $34.00*. In Wisconsin tickets will be available at the Riverside Theatre Box Office (Alpine Valley’s Official Milwaukee Outlet) and all local Ticketmaster locations. Charge by phone at: 414-276-4545 in Milwaukee, 608-255-4646 in Madison, and 920-494-1414 in Northern Wisconsin. In Chicago, tickets will be available at all local Ticketmaster outlets or charge by phone at 312-559-1212. Tickets will also be available on line at www.alpinevalleymusic.com and www.cc.com.
*does not include applicable service fees