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Consolidated Statements of Operations (USD $) In Thousands, except Share data, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012
Revenues: |  |  |  |  |  |  |  |
Traditional life insurance premiums | $ 2,493 |  | $ 3,300 |  | $ 8,104 |  | $ 9,770 |
Annuity product charges | 26,451 |  | 23,875 |  | 71,443 |  | 65,176 |
Net investment income | 354,147 |  | 318,594 |  | 1,019,980 |  | 965,763 |
Change in fair value of derivatives | 193,028 |  | 161,090 |  | 631,030 |  | 269,404 |
Net realized gains (losses) on investments, excluding other than temporary impairment (OTTI) losses | (2,077) |  | (1,238) |  | 24,197 |  | (7,925) |
OTTI losses on investments: |  |  |  |  |  |  |  |
Total OTTI losses | 0 |  | 0 |  | (4,964) |  | (2,156) |
Portion of OTTI losses recognized from other comprehensive income | (222) |  | (1,686) |  | (1,270) |  | (3,389) |
Net OTTI losses recognized in operations | (222) |  | (1,686) |  | (6,234) |  | (5,545) |
Loss on extinguishment of debt | (938) |  | 0 |  | (1,527) |  | 0 |
Total revenues | 572,882 |  | 503,935 |  | 1,746,993 |  | 1,296,643 |
Benefits and expenses: |  |  |  |  |  |  |  |
Insurance policy benefits and change in future policy benefits | 1,647 |  | 1,865 |  | 5,488 |  | 6,232 |
Interest sensitive and index product benefits | 327,976 |  | 246,105 |  | 889,810 |  | 527,961 |
Amortization of deferred sales inducements | 34,625 |  | 7,709 |  | 183,992 |  | 50,359 |
Change in fair value of embedded derivatives | 36,224 |  | 188,201 |  | (8,913) |  | 466,278 |
Interest expense on notes payable | 12,957 |  | 7,141 |  | 26,985 |  | 21,208 |
Interest expense on subordinated debentures | 3,034 |  | 3,235 |  | 9,061 |  | 10,384 |
Amortization of deferred policy acquisition costs | 50,034 |  | 25,954 |  | 265,534 |  | 105,086 |
Other operating costs and expenses | 20,658 |  | 36,170 |  | 65,029 |  | 76,785 |
Total benefits and expenses | 487,155 |  | 516,380 |  | 1,436,986 |  | 1,264,293 |
Income (loss) before income taxes | 85,727 |  | (12,445) |  | 310,007 |  | 32,350 |
Income tax expense (benefit) | 29,546 |  | (4,616) |  | 107,682 |  | 10,949 |
Net income (loss) | $ 56,181 |  | $ (7,829) |  | $ 202,325 |  | $ 21,401 |
Earnings (loss) per common share | $ 0.86 |  | $ (0.13) |  | $ 3.15 |  | $ 0.35 |
Earnings (loss) per common share - assuming dilution | $ 0.75 |  | $ (0.13) |  | $ 2.79 |  | $ 0.34 |
Weighted average common shares outstanding: earnings (loss) per common share | 65,129,442 | [1] | 62,504,421 | [1] | 64,239,117 | [1] | 60,722,625 | [1]
Weighted average common shares outstanding: earnings (loss) per common share - assuming dilution | 74,559,716 |  | 65,261,926 |  | 72,459,076 |  | 65,232,085 |
[1] | Weighted average common shares outstanding include shares vested under the NMO Deferred Compensation Plan and exclude unallocated shares held by the ESOP.

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