Portland Mercury reports: This is true. Direct from SubPop:

• “After eleven years as a band, Sleater-Kinney have decided to go on indefinite hiatus.
  The upcoming summer shows will be our last. As of now, there are no plans for future tours or recordings. We feel lucky to have had the support of many wonderful people over the years. We want to thank everyone who has worked with us, written kind words about us, performed with us, and inspired us."

More story here.  Or go to the band's Web site here. â€" Brad Allen