Exhibit 99.3 Reconciliation of Adjusted income from continuing operations
| As reported Quarter Ended December 31, 2012 | As Adjusted Quarter Ended December 31, 2012 | As reported Quarter Ended September 30, 2012 | As adjusted Quarter Ended September 30, 2012 | As reported Quarter Ended December 31, 2011 | As adjusted Quarter Ended December 31, 2011 | |||||||||||||||||||||
| Adjustments | Adjustments | Adjustments | ||||||||||||||||||||||||
| Net sales | $ | 458.7 | $ | 458.7 | $ | 467.8 | $ | 467.8 | $ | 312.2 | $ | 312.2 | ||||||||||||||
| Operating costs and expenses: | ||||||||||||||||||||||||||
| Cost of sales | 360.6 | 360.6 | 369.3 | 369.3 | 290.9 | 290.9 | ||||||||||||||||||||
| Depreciation and amortization | 18.0 | 18.0 | 18.9 | 18.9 | 17.7 | 17.7 | ||||||||||||||||||||
| Selling and administrative | 36.8 | 36.8 | 30.6 | 30.6 | 28.3 | 28.3 | ||||||||||||||||||||
| Loss on sale or impairment of long-lived assets, net | 0.4 | (0.4 | ) | — | 4.3 | (4.3 | ) | — | 0.9 | (0.9 | ) | — | ||||||||||||||
| Other operating credits and charges, net | (4.1 | ) | 4.1 | — | 1.2 | (1.2 | ) | — | — | — | — | |||||||||||||||
| Total operating costs and expenses | 411.7 | 415.4 | 424.3 | 418.8 | 337.8 | 336.9 | ||||||||||||||||||||
| Income (loss) from operations | 47.0 | 43.3 | 43.5 | 49.0 | (25.6 | ) | (24.7 | ) | ||||||||||||||||||
| Non-operating income (expense): | ||||||||||||||||||||||||||
| Interest expense, net of capitalized interest | (12.9 | ) | 2.7 | (10.2 | ) | (10.7 | ) | (10.7 | ) | (14.3 | ) | (14.3 | ) | |||||||||||||
| Investment income | 3.1 | 3.1 | 4.1 | 4.1 | 4.5 | — | 4.5 | |||||||||||||||||||
| Other non-operating items | 19.6 | (20.0 | ) | (0.4 | ) | 0.4 | 0.4 | (14.2 | ) | 14.8 | 0.6 | |||||||||||||||
| Total non-operating income (expense) | 9.8 | (7.5 | ) | (6.2 | ) | (6.2 | ) | (24.0 | ) | (9.2 | ) | |||||||||||||||
| Income (loss) from continuing operations before taxes and equity in income (losses) of unconsolidated affiliates | 56.8 | 35.8 | 37.3 | 42.8 | (49.6 | ) | (33.9 | ) | ||||||||||||||||||
| Provision (benefit) for income taxes | 12.0 | (12.0 | ) | — | 7.9 | (7.9 | ) | — | (3.0 | ) | 3.0 | — | ||||||||||||||
| "Normalized" tax rate @ 35% | — | 14.0 | 14.0 | — | 15.7 | 15.7 | — | (15.4 | ) | (15.4 | ) | |||||||||||||||
| Equity in (income) loss of unconsolidated affiliates | (4.3 | ) | (4.3 | ) | (2.0 | ) | (2.0 | ) | 10.2 | 10.2 | ||||||||||||||||
| Income (loss) from continuing operations | 49.1 | 26.1 | 31.4 | 29.1 | (56.8 | ) | (28.7 | ) | ||||||||||||||||||
| Loss from discontinued operations before taxes | (3.8 | ) | (3.8 | ) | (0.2 | ) | (0.2 | ) | 0.2 | 0.2 | ||||||||||||||||
| Provision (benefit) for income taxes | (0.8 | ) | (0.8 | ) | (0.1 | ) | (0.1 | ) | 0.6 | 0.6 | ||||||||||||||||
| Loss from discontinued operations | (3.0 | ) | (3.0 | ) | (0.1 | ) | (0.1 | ) | (0.4 | ) | (0.4 | ) | ||||||||||||||
| Net income (loss) | 46.1 | 23.1 | 31.3 | 29.0 | (57.2 | ) | (29.1 | ) | ||||||||||||||||||
| Less: Net income attributed to non-controlling interest | — | — | — | — | — | — | ||||||||||||||||||||
| Income (loss) attributed to Louisiana-Pacific Corporation | $ | 46.1 | $ | 23.1 | $ | 31.3 | $ | 29.0 | $ | (57.2 | ) | $ | (29.1 | ) | ||||||||||||
| Income (loss) per share of common stock (basic): | ||||||||||||||||||||||||||
| Income (loss) from continuing operations | $ | 0.35 | $ | 0.19 | $ | 0.23 | $ | 0.21 | $ | (0.42 | ) | $ | (0.21 | ) | ||||||||||||
| Loss from discontinued operations | (0.02 | ) | (0.02 | ) | — | — | — | — | ||||||||||||||||||
| Net income (loss) per share | $ | 0.33 | $ | 0.17 | $ | 0.23 | $ | 0.21 | $ | (0.42 | ) | $ | (0.21 | ) | ||||||||||||
| Income (loss) per share of common stock (diluted): | ||||||||||||||||||||||||||
| Income (loss) from continuing operations | $ | 0.34 | $ | 0.18 | $ | 0.22 | $ | 0.20 | $ | (0.42 | ) | $ | (0.21 | ) | ||||||||||||
| Loss from discontinued operations | (0.02 | ) | (0.02 | ) | — | — | — | — | ||||||||||||||||||
| Net income (loss) per share | $ | 0.32 | $ | 0.16 | $ | 0.22 | $ | 0.20 | $ | (0.42 | ) | $ | (0.21 | ) | ||||||||||||
| Average shares of stock outstanding - basic | 138.6 | 138.6 | 137.1 | 137.1 | 136.3 | 136.3 | ||||||||||||||||||||
| Average shares of stock outstanding - diluted | 143.3 | 143.3 | 142.6 | 142.6 | 136.3 | 136.3 | ||||||||||||||||||||
| Amounts attributed to LP Corporation common shareholders | ||||||||||||||||||||||||||
| Income (loss) from continuing operations, net of tax | $ | 49.1 | $ | 26.1 | $ | 31.4 | $ | 29.1 | $ | (56.8 | ) | $ | (28.7 | ) | ||||||||||||
| Loss from discontinued operations, net of tax | (3.0 | ) | (3.0 | ) | (0.1 | ) | (0.1 | ) | (0.4 | ) | (0.4 | ) | ||||||||||||||
| $ | 46.1 | $ | 23.1 | $ | 31.3 | $ | 29.0 | $ | (57.2 | ) | $ | (29.1 | ) | |||||||||||||
| As Reported Year Ended December 31, 2012 | As Adjusted Year Ended December 31, 2012 | As Reported Year Ended December 31, 2011 | As Adjusted Year Ended December 31, 2011 | ||||||||||||||
| Adjustments | Adjustments | ||||||||||||||||
| Net sales | $ | 1,715.8 | $ | 1,715.8 | $ | 1,356.9 | $ | 1,356.9 | |||||||||
| Operating costs and expenses: | |||||||||||||||||
| Cost of sales | 1,403.1 | 1,403.1 | 1,244.2 | 1,244.2 | |||||||||||||
| Depreciation and amortization | 73.9 | 73.9 | 78.9 | 78.9 | |||||||||||||
| Selling and administrative | 129.4 | 129.4 | 111.2 | 111.2 | |||||||||||||
| Loss on sale or impairment of long-lived assets, net | 4.9 | (4.9 | ) | — | 73.9 | (73.9 | ) | — | |||||||||
| Other operating credits and charges, net | (2.9 | ) | 2.9 | — | (11.2 | ) | 11.2 | — | |||||||||
| Total operating costs and expenses | 1,608.4 | 1,606.4 | 1,497.0 | 1,434.3 | |||||||||||||
| Income (loss) from operations | 107.4 | 109.4 | (140.1 | ) | (77.4 | ) | |||||||||||
| Non-operating income (expense): | |||||||||||||||||
| Interest expense, net of capitalized interest | (49.3 | ) | 2.0 | (47.3 | ) | (56.9 | ) | (56.9 | ) | ||||||||
| Investment income | 14.8 | 14.8 | 13.5 | — | 13.5 | ||||||||||||
| Early debt extinguishment | (52.2 | ) | 52.2 | — | — | — | |||||||||||
| Other non-operating items | 17.3 | (20.0 | ) | (2.7 | ) | (0.6 | ) | (0.4 | ) | (1.0 | ) | ||||||
| Total non-operating income (expense) | (69.4 | ) | (35.2 | ) | (44.0 | ) | (44.4 | ) | |||||||||
| Income (loss )from continuing operations before taxes and equity in (income) loss of unconsolidated affiliates | 38.0 | 74.2 | (184.1 | ) | (121.8 | ) | |||||||||||
| Provision (benefit) for income taxes | 7.6 | (7.6 | ) | — | (39.1 | ) | 39.1 | — | |||||||||
| "Normalized" tax rate @ 35% | — | 26.6 | 26.6 | — | (52.0 | ) | (52.0 | ) | |||||||||
| Equity in (income) loss of unconsolidated affiliates | (1.7 | ) | (1.7 | ) | 26.9 | 26.9 | |||||||||||
| Income (loss) from continuing operations | 32.1 | 49.3 | (171.9 | ) | (96.7 | ) | |||||||||||
| Loss from discontinued operations before taxes | (4.3 | ) | (4.3 | ) | (14.2 | ) | (14.2 | ) | |||||||||
| Benefit for income taxes | (1.0 | ) | (1.0 | ) | (5.0 | ) | (5.0 | ) | |||||||||
| Loss from discontinued operations | (3.3 | ) | (3.3 | ) | (9.2 | ) | (9.2 | ) | |||||||||
| Net income (loss) | 28.8 | 46.0 | (181.1 | ) | (105.9 | ) | |||||||||||
| Less: Net income attributed to non-controlling interest | — | — | 0.2 | 0.2 | |||||||||||||
| Income (loss) attributed to Louisiana-Pacific Corporation | $ | 28.8 | $ | 46.0 | $ | (181.3 | ) | $ | (106.1 | ) | |||||||
| Income (loss) per share of common stock (basic): | |||||||||||||||||
| Income (loss) from continuing operations | $ | 0.23 | $ | 0.36 | $ | (1.29 | ) | $ | (0.73 | ) | |||||||
| Loss from discontinued operations | (0.02 | ) | (0.02 | ) | (0.07 | ) | (0.07 | ) | |||||||||
| Net income (loss) per share | $ | 0.21 | $ | 0.34 | $ | (1.36 | ) | $ | (0.80 | ) | |||||||
| Income (loss) per share of common stock (diluted): | |||||||||||||||||
| Income (loss) from continuing operations | $ | 0.22 | $ | 0.35 | $ | (1.29 | ) | $ | (0.73 | ) | |||||||
| Loss from discontinued operations | (0.02 | ) | (0.02 | ) | (0.07 | ) | (0.07 | ) | |||||||||
| Net income (loss) per share | $ | 0.20 | $ | 0.33 | $ | (1.36 | ) | $ | (0.80 | ) | |||||||
| Average shares of stock outstanding - basic | 137.1 | 137.1 | 133.2 | 133.2 | |||||||||||||
| Average shares of stock outstanding - diluted | 142.6 | 142.6 | 133.2 | 133.2 | |||||||||||||
| Amounts attributed to LP Corporation common shareholders | |||||||||||||||||
| Income (loss) from continuing operations, net of tax | $ | 32.1 | $ | 49.3 | $ | (171.9 | ) | $ | (96.9 | ) | |||||||
| Loss from discontinued operations, net of tax | (3.3 | ) | (3.3 | ) | (9.2 | ) | (9.2 | ) | |||||||||
| $ | 28.8 | 46.0 | $ | (181.1 | ) | $ | (106.1 | ) | |||||||||