The company announced in early February 2009 that it may file for bankruptcy "as early as" Tuesday, February 17, 2009. On February 17, 2009, Sirius entered into an investment agreement with Liberty Media Corporation. Sirius received $550 million to pay maturing debt in exchange for 40% of its convertible preferred stock. SirusXM has been involved in several high-profile class action lawsuits. Hooker Vs Sirius XM radio was settled with a settlement pool of $35 million in response to claims that SiriusXM denies that the company used robocalling techniques targeting non-subscribers that had received calls from SiriusXM after leasing or buying a car. Blessing v. Sirius XM Class Action Suit – On August 25, 2011, the Court presiding over the lawsuit, "Blessing v. Sirius XM Radio Inc.", approved a class action settlement. A federal judge approved a $180 million class action lawsuit settlement with SiriusXM Satellite Radio that accuses SiriusXM of breaking the law by raising subscription rates following its 2008 merger. The settlement provided a number of benefits to current and former SiriusXM subscribers, including one free month of service. Turtles v. Sirius XM – SiriusXM paid up to $99 million to settle a class action lawsuit filed by The Turtles after the satellite radio company spent years broadcasting songs recorded before 1972 without compensating labels or artists.