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

HIGH YIELD PORTFOLIOGeneral Account — shares 0.0%NML Variable Annuity Account A 12,234,788 shares 3.0%NML Variable Annuity Account B 274,575,835 shares 68.4%NML Variable Annuity Account C 5,020,235 shares 1.2%Northwestern Mutual Variable Life Account 109,026,106 shares 27.1%Northwestern Mutual Variable Life Account II 1,021,527 shares 0.3%Total 401,878,491 shares 100.0%BALANCED PORTFOLIOGeneral Account — shares 0.0%NML Variable Annuity Account A 89,871,092 shares 5.2%NML Variable Annuity Account B 1,395,561,837 shares 80.2%NML Variable Annuity Account C 25,088,415 shares 1.4%Northwestern Mutual Variable Life Account 230,060,966 shares 13.2%Northwestern Mutual Variable Life Account II 251,482 shares 0.0%Total 1,740,833,792 shares 100.0%ASSET ALLOCATION PORTFOLIOGeneral Account — shares 0.0%NML Variable Annuity Account A 5,885,581 shares 2.4%NML Variable Annuity Account B 199,017,017 shares 81.5%NML Variable Annuity Account C 1,811,110 shares 0.7%Northwestern Mutual Variable Life Account 37,408,674 shares 15.3%Northwestern Mutual Variable Life Account II 218,754 shares 0.1%Total 244,341,136 shares 100.0%B-81