B-1 STATEMENT OF ADDITIONAL INFORMATION Dated May 1 ...

EQUITY INCOME PORTFOLIOGeneral Account — shares 0.0%NML Variable Annuity Account A 8,523,733 shares 4.8%NML Variable Annuity Account B 113,549,045 shares 63.4%NML Variable Annuity Account C 645,241 shares 0.4%Northwestern Mutual Variable Life Account 55,526,894 shares 31.0%Northwestern Mutual Variable Life Account II 819,377 shares 0.4%Total 179,064,290 shares 100.0%MID CAP GROWTH STOCK PORTFOLIOGeneral Account — shares 0.0%NML Variable Annuity Account A 11,951,304 shares 3.4%NML Variable Annuity Account B 188,494,000 shares 53.2%NML Variable Annuity Account C 13,643,010 shares 3.8%Northwestern Mutual Variable Life Account 140,015,841 shares 39.5%Northwestern Mutual Variable Life Account II 387,473 shares 0.1%Total 354,491,628 shares 100.0%INDEX 400 STOCK PORTFOLIOGeneral Account — shares 0.0%NML Variable Annuity Account A 8,735,121 shares 2.5%NML Variable Annuity Account B 176,306,316 shares 50.7%NML Variable Annuity Account C 12,076,969 shares 3.5%Northwestern Mutual Variable Life Account 149,496,317 shares 43.0%Northwestern Mutual Variable Life Account II 922,345 shares 0.3%Total 347,537,068 shares 100.0%MID CAP VALUE PORTFOLIOGeneral Account — shares 0.0%NML Variable Annuity Account A 3,558,814 shares 3.8%NML Variable Annuity Account B 56,190,002 shares 60.9%NML Variable Annuity Account C 408,755 shares 0.4%Northwestern Mutual Variable Life Account 31,975,422 shares 34.6%Northwestern Mutual Variable Life Account II 316,623 shares 0.3%Total 92,449,616 shares 100.0%SMALL CAP GROWTH STOCK PORTFOLIOGeneral Account — shares 0.0%NML Variable Annuity Account A 6,222,995 shares 2.4%NML Variable Annuity Account B 124,413,300 shares 48.1%NML Variable Annuity Account C 8,097,832 shares 3.1%Northwestern Mutual Variable Life Account 119,800,755 shares 46.3%Northwestern Mutual Variable Life Account II 375,973 shares 0.1%Total 258,910,855 shares 100.0%B-79