Exhibit 99.3 Reconciliation of Adjusted income from continuing operations
| As reported Quarter Ended March 31, 2012 | As Adjusted Quarter Ended March 31, 2012 | Quarter Ended December 31, 2011 | As adjusted Quarter Ended December 31, 2011 | Quarter Ended March 31, 2011 | As adjusted Quarter Ended March 31, 2011 | |||||||||||||||||||||
| Adjustments | Adjustments | Adjustments | ||||||||||||||||||||||||
| Net sales | $ | 361.5 | $ | 361.5 | $ | 312.2 | $ | 312.2 | $ | 331.7 | $ | 331.7 | ||||||||||||||
| Operating costs and expenses: | ||||||||||||||||||||||||||
| Cost of sales | 313.3 | 313.3 | 290.9 | 290.9 | 295.0 | 295.0 | ||||||||||||||||||||
| Depreciation and amortization | 19.1 | 19.1 | 17.7 | 17.7 | 21.4 | 21.4 | ||||||||||||||||||||
| Selling and administrative | 31.3 | 31.3 | 28.3 | 28.3 | 28.8 | 28.8 | ||||||||||||||||||||
| Loss on sale or impairment of long-lived assets, net | 0.1 | (0.1 | ) | — | 0.9 | (0.9 | ) | — | 5.5 | (5.5 | ) | — | ||||||||||||||
| Other operating credits and charges, net | (0.2 | ) | 0.2 | — | — | — | — | (0.8 | ) | 0.8 | — | |||||||||||||||
| Total operating costs and expenses | 363.6 | 363.7 | 337.8 | 336.9 | 349.9 | 345.2 | ||||||||||||||||||||
| Loss from operations | (2.1 | ) | (2.2 | ) | (25.6 | ) | (24.7 | ) | (18.2 | ) | (13.5 | ) | ||||||||||||||
| Non-operating income (expense): | ||||||||||||||||||||||||||
| Interest expense, net of capitalized interest | (12.6 | ) | (1.0 | ) | (13.6 | ) | (14.3 | ) | (14.3 | ) | (14.0 | ) | (14.0 | ) | ||||||||||||
| Investment income | 4.2 | 4.2 | 4.5 | 4.5 | 4.0 | 4.0 | ||||||||||||||||||||
| Other-than-temporary investment impairment | — | — | (14.8 | ) | 14.8 | — | — | — | ||||||||||||||||||
| Other non-operating items | (0.1 | ) | (0.1 | ) | 0.6 | 0.6 | 1.8 | 1.8 | ||||||||||||||||||
| Total non-operating expense | (8.5 | ) | (9.5 | ) | (24.0 | ) | (9.2 | ) | (8.2 | ) | (8.2 | ) | ||||||||||||||
| Loss from continuing operations before taxes and equity in losses of unconsolidated affiliates | (10.6 | ) | (11.7 | ) | (49.6 | ) | (33.9 | ) | (26.4 | ) | (21.7 | ) | ||||||||||||||
| Benefit for income taxes | (1.2 | ) | 1.2 | — | (3.0 | ) | 3.0 | — | (6.8 | ) | 6.8 | — | ||||||||||||||
| "Normalized" tax rate @ 35% | (4.7 | ) | (4.7 | ) | (13.5 | ) | (13.5 | ) | (8.8 | ) | (8.8 | ) | ||||||||||||||
| Equity in loss of unconsolidated affiliates | 1.8 | 1.8 | 10.2 | (5.6 | ) | 4.6 | 3.3 | 3.3 | ||||||||||||||||||
| Loss from continuing operations | (11.2 | ) | (8.8 | ) | (56.8 | ) | (25.0 | ) | (22.9 | ) | (16.2 | ) | ||||||||||||||
| Loss from discontinued operations before taxes | (0.2 | ) | (0.2 | ) | 0.2 | 0.2 | — | — | ||||||||||||||||||
| Benefit for income taxes | (0.1 | ) | (0.1 | ) | 0.6 | 0.6 | — | — | ||||||||||||||||||
| Loss from discontinued operations | (0.1 | ) | (0.1 | ) | (0.4 | ) | (0.4 | ) | — | — | ||||||||||||||||
| Net loss | (11.3 | ) | (8.9 | ) | (57.2 | ) | (25.4 | ) | (22.9 | ) | (16.2 | ) | ||||||||||||||
| Less: Net income attributed to non-controlling interest | — | — | — | — | 0.1 | 0.1 | ||||||||||||||||||||
| Loss attributed to Louisiana-Pacific Corporation | $ | (11.3 | ) | $ | (8.9 | ) | $ | (57.2 | ) | $ | (25.4 | ) | $ | (23.0 | ) | $ | (16.3 | ) | ||||||||
| Loss per share of common stock (basic and diluted): | ||||||||||||||||||||||||||
| Loss from continuing operations | $ | (0.08 | ) | $ | (0.06 | ) | $ | (0.42 | ) | $ | (0.19 | ) | $ | (0.18 | ) | $ | (0.12 | ) | ||||||||
| Loss from discontinued operations | — | — | — | — | — | — | ||||||||||||||||||||
| Net loss per share | $ | (0.08 | ) | $ | (0.06 | ) | $ | (0.42 | ) | $ | (0.19 | ) | $ | (0.18 | ) | $ | (0.12 | ) | ||||||||
| Average shares of stock outstanding - basic and diluted | 136.6 | 136.6 | 136.3 | 136.3 | 131.3 | 131.3 | ||||||||||||||||||||
| Amounts attributed to LP Corporation common shareholders | ||||||||||||||||||||||||||
| Loss from continuing operations, net of tax | $ | (11.2 | ) | $ | (8.8 | ) | $ | (56.8 | ) | $ | (25.0 | ) | $ | (23.0 | ) | $ | (16.2 | ) | ||||||||
| Loss from discontinued operations, net of tax | (0.1 | ) | (0.1 | ) | (0.4 | ) | (0.4 | ) | — | — | ||||||||||||||||
| $ | (11.3 | ) | $ | (8.9 | ) | $ | (57.2 | ) | $ | (25.4 | ) | $ | (23.0 | ) | $ | (16.2 | ) | |||||||||