100 0 A -100 -150 1 May-11 May-11 Jun-11 Jul-11 Aug-11 Sep-11 Oct-11 1 Dec-11 Jan-12 Feb-12 liar -12 I I I &arca: elocnterg and..Mixgan. —Change in Estimated Storage — — 5 yr avg J.P.Morgan 13 EFTA00606201 Dave Kali. CFA North America Credit Research 16 February 2012 Natural