The following schedule reconciles consolidated net income to total FFO and diluted net income per share to diluted FFO per share. During the year ended December 31, 2010, FFO includes a $350.7 million loss on extinguishment of debt associated with  two unsecured notes tender offers, reducing diluted FFO per share by $1.00 per share. During the year ended December 31, 2010,  we recorded transaction expenses of $69.0 million, reducing diluted FFO per share by $0.20. During the year ended December 31, 2009, we recorded $164.7 million of other impairment charges not related to  depreciable real estate, reducing FFO per share by $0.51. 2011 Annual Report 27 For the Year Ended December 31, 2011 2010 2009 (in thousands)  Funds from Operations  $ 2,438,765 $ 1,762,322 $ 1,748,280 Increase/(Decrease) in FFO from prior period  38.4% 0.8% (5.6)% Consolidated Net Income  $1,245,900 $ 753,514 $ 387,262 Adjustments to Arrive at FFO:  Depreciation and amortization from consolidated properties  1,047,571 968,695 983,487 Our share of depreciation and amortization from unconsolidated entities  384,367 388,565 399,509 Impairment charges of depreciable real estate  — 8,169 63,947 (Gain) loss upon acquisition of controlling interests, and on sale or  disposal of assets and interests in unconsolidated entities, net  (216,629) (321,036) 30,108 Net income attributable to noncontrolling interest holders in properties  (8.559) (10,640)  (5,496) Noncontrolling interests portion of depreciation and amortization  (8,633) (7,847)  (8,396) Preferred distributions and dividends  (5,252) (8,929)  (38,194) Funds from Operations $ 2,438,765 $ 1,770,491 $ 1,812,227 FFO Allocable to Simon Property  $2,021,850 $ 1,472,522 $1,493,245 Diluted net income per share to diluted FFO per share reconciliation:  Diluted net income per share $ 3.48 $  2.10 $  1.05 Depreciation and amortization from consolidated properties and  beneficial interests, and our share of depreciation and amortization from unconsolidated affiliates, net of noncontrolling interests portion  of depreciation and amortization  4.02 3.86 4.22 Impairment charges of depreciable real estate  — 0.02 0.17 (Gain) loss upon acquisition of controlling interests, and on sale or disposal  of assets and interests in unconsolidated entities, net  (0.61) (0.92) 0.09 Impact of additional dilutive securities for FFO per share  — (0.03)  (0.03) Diluted FFO per share $ 6.89 $  5.03 $  5.50 Basic weighted average shares outstanding  293,504 291,076 267,055 Adjustments for dilution calculation:  Effect of stock options  69 274 316 Effect of contingently issuable shares from stock dividends  — — 1,101 Impact of Series C cumulative preferred 7% convertible units  — — 46 Impact of Series I preferred stock  — 1,749 6,354 Impact of Series I preferred units  — 238  1,228 Diluted weighted average shares outstanding  293,573 293,337 276,100 Weighted average limited partnership units outstanding  60,522 58,900  57,292 Diluted weighted average shares and units outstanding  354,095 352,237  333,392