Broadway In Chicago and the producers of the new musical The Book of Mormon—winner of nine Tony Awards, including Best Musical—announced the addition of more seats for the production at the Bank of America Theatre, 18 W. Monroe St.

Individual tickets for added weeks go on sale Friday, Sept. 21, at 10 a.m., for performances through June 2, 2013.

The Book of Mormon features book, music and lyrics by Trey Parker, Robert Lopez and Matt Stone. Parker and Stone are the four-time Emmy Award-winning creators of the animated series South Park.

Tickets are available at all Broadway In Chicago box offices (24 W. Randolph St., 151 W. Randolph St., 18 W. Monroe St. and 175 E. Chestnut); the Broadway In Chicago ticket kiosk at Water Tower Place (845 N. Michigan Ave.); the Broadway In Chicago ticket line at 800-775-2000; all Ticketmaster retail locations (including Hot Tix and select Carson Pirie Scott, Coconuts and fye stores); and online at www.BroadwayInChicago.com. Prices are $45-$115.