N-MFP3 0000742212 XXXXXXXX 2025-07-31 Northwestern Mutual Series Fund, Inc. 0000742212 549300T1UBX7MDSNZA55 Government Money Market Portfolio 549300XTQ77FEJGLVS15 S000000048 1 N N 002-89971 Mason Street Advisors, LLC 801-60721 BlackRock Advisors, LLC 801-47710 PricewaterhouseCoopers LLP Milwaukee WI The Northwestern Mutual Life Insurance Company None N N Y Government N N 42 98 415672145.34 431543547.41 0.8100 0.8400 2025-07-01 425293190.96 432175249.00 0.8300 0.8400 2025-07-02 421111907.87 427994621.30 0.8300 0.8400 2025-07-03 420277087.52 427162044.83 0.8200 0.8400 2025-07-07 415653142.13 421238682.14 0.8200 0.8300 2025-07-08 421839608.91 427425851.42 0.8300 0.8400 2025-07-09 420217211.76 425804116.20 0.8300 0.8400 2025-07-10 420329847.33 425917337.20 0.8300 0.8400 2025-07-11 421877213.80 432722448.47 0.8300 0.8500 2025-07-14 413546338.04 431265229.17 0.8100 0.8500 2025-07-15 407349987.75 425070336.64 0.8100 0.8400 2025-07-16 403247632.45 420969294.34 0.8000 0.8400 2025-07-17 409069803.29 421538049.23 0.8100 0.8400 2025-07-18 410782841.59 423255828.67 0.8100 0.8400 2025-07-21 410959480.84 423433653.85 0.8100 0.8400 2025-07-22 416217295.38 428693224.69 0.8200 0.8400 2025-07-23 415797757.55 428274905.05 0.8200 0.8400 2025-07-24 416234948.78 428713820.27 0.8100 0.8300 2025-07-25 412088449.56 424571383.13 0.8100 0.8300 2025-07-28 405752055.14 423966705.46 0.8000 0.8400 2025-07-29 410395684.86 428611821.62 0.8100 0.8400 2025-07-30 410028585.04 428246163.63 0.8000 0.8400 2025-07-31 1036880.29 509398031.79 509400208.13 1141844.09 9592809.17 501986123.34 501984307.2010 Y 1.0000 0.0438 2025-07-01 0.0438 2025-07-02 0.0438 2025-07-03 0.0438 2025-07-07 0.0437 2025-07-08 0.0437 2025-07-09 0.0436 2025-07-10 0.0436 2025-07-11 0.0435 2025-07-14 0.0435 2025-07-15 0.0435 2025-07-16 0.0435 2025-07-17 0.0435 2025-07-18 0.0434 2025-07-21 0.0433 2025-07-22 0.0432 2025-07-23 0.0432 2025-07-24 0.0432 2025-07-25 0.0433 2025-07-28 0.0434 2025-07-29 0.0434 2025-07-30 0.0435 2025-07-31 1.0000 2025-07-01 1.0000 2025-07-02 1.0001 2025-07-03 1.0000 2025-07-07 1.0000 2025-07-08 1.0000 2025-07-09 1.0000 2025-07-10 1.0001 2025-07-11 1.0000 2025-07-14 1.0000 2025-07-15 1.0000 2025-07-16 1.0000 2025-07-17 1.0001 2025-07-18 1.0000 2025-07-21 1.0000 2025-07-22 1.0000 2025-07-23 1.0000 2025-07-24 1.0001 2025-07-25 1.0000 2025-07-28 1.0000 2025-07-29 1.0000 2025-07-30 1.0000 2025-07-31 N N Underlying Fund C000000083 0.01 501986123.34 501984307.2010 1.0000 2025-07-01 1.0000 2025-07-02 1.0001 2025-07-03 1.0000 2025-07-07 1.0000 2025-07-08 1.0000 2025-07-09 1.0000 2025-07-10 1.0001 2025-07-11 1.0000 2025-07-14 1.0000 2025-07-15 1.0000 2025-07-16 1.0000 2025-07-17 1.0001 2025-07-18 1.0000 2025-07-21 1.0000 2025-07-22 1.0000 2025-07-23 1.0000 2025-07-24 1.0001 2025-07-25 1.0000 2025-07-28 1.0000 2025-07-29 1.0000 2025-07-30 1.0000 2025-07-31 1400891.25 3521339.30 2025-07-01 911840.30 522620.14 2025-07-02 358221.81 1125856.72 2025-07-03 636975.55 1273799.27 2025-07-07 1431216.80 1468871.90 2025-07-08 637499.23 2249319.54 2025-07-09 672986.62 586747.26 2025-07-10 602683.34 263715.49 2025-07-11 575864.42 1817620.42 2025-07-14 436859.10 557946.48 2025-07-15 771179.39 1271121.95 2025-07-16 762188.27 226202.35 2025-07-17 2512377.16 887224.49 2025-07-18 843932.17 1250739.48 2025-07-21 518688.32 401740.21 2025-07-22 785763.10 707895.32 2025-07-23 580910.93 169734.08 2025-07-24 335496.83 289172.51 2025-07-25 1353429.11 1978169.74 2025-07-28 815181.85 585972.28 2025-07-29 596378.35 514478.08 2025-07-30 611960.46 2083774.46 2025-07-31 18152524.36 23754061.47 0.0404 2025-07-01 0.0405 2025-07-02 0.0405 2025-07-03 0.0405 2025-07-07 0.0404 2025-07-08 0.0404 2025-07-09 0.0403 2025-07-10 0.0403 2025-07-11 0.0402 2025-07-14 0.0402 2025-07-15 0.0402 2025-07-16 0.0402 2025-07-17 0.0402 2025-07-18 0.0401 2025-07-21 0.0400 2025-07-22 0.0399 2025-07-23 0.0399 2025-07-24 0.0399 2025-07-25 0.0400 2025-07-28 0.0401 2025-07-29 0.0401 2025-07-30 0.0402 2025-07-31 Y 31.75 Insurance company 1.0000 1.0000 N US Treasury US Treasury 0.375 91282CAZ4 254900HROIFWPRGM1V77 US91282CAZ41 U.S. Treasury Debt Y 2025-11-30 2025-11-30 2025-11-30 N N N 0.0444 197373.44 197373.44 0.0004 N Y Y N Federal Farm Credit Bank Federal Farm Credit Bank 4.460 3133ERQ46 254900C5LP6DN9OP9V83 US3133ERQ466 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y 2025-08-01 2026-12-30 2026-12-30 N N N 0.0446 300286.36 300286.36 0.0006 N N N N US Treasury US Treasury 0.000 912797QX8 254900HROIFWPRGM1V77 US912797QX89 U.S. Treasury Debt Y 2026-06-11 2026-06-11 2026-06-11 N N N 0.0412 3615606.25 3615606.25 0.0072 N Y Y N US Treasury US Treasury 0.000 912797QV2 254900HROIFWPRGM1V77 US912797QV24 U.S. Treasury Debt Y 2025-09-23 2025-09-23 2025-09-23 N N N 0.0435 6458971.03 6458971.03 0.0129 N Y Y N Federal Home Loan Bank Federal Home Loan Bank 0.000 313385LA2 2549001DPIFGXC1TOL40 US313385LA23 U.S. Government Agency Debt (if categorized as no-coupon discount notes) Y 2025-08-29 2025-08-29 2025-08-29 N N N 0.0426 5600804.55 5600804.55 0.0112 N N Y N US Treasury US Treasury 0.000 912797MS3 254900HROIFWPRGM1V77 US912797MS31 U.S. Treasury Debt Y 2025-10-02 2025-10-02 2025-10-02 N N N 0.0424 1371191.83 1371191.83 0.0027 N Y Y N Federal Home Loan Bank Federal Home Loan Bank 4.325 3130B52Z0 2549001DPIFGXC1TOL40 US3130B52Z02 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y 2025-08-01 2025-09-12 2025-09-12 N N N 0.0435 2634963.40 2634963.40 0.0052 N N N N US Treasury US Treasury 0.000 912797PD3 254900HROIFWPRGM1V77 US912797PD35 U.S. Treasury Debt Y 2026-01-22 2026-01-22 2026-01-22 N N N 0.0426 490000.24 490000.24 0.0010 N Y Y N Tri-Party Mitsubishi UFJ Tri-Party Mitsubishi UFJ 4.370 BYDNRA108 K5HU16E3LMSVCCJJJ255 U.S. Government Agency Repurchase Agreement, collateralized only by U.S. Government Agency securities, U.S. Treasuries, and cash Y N N Y Government National Mortgage Association 549300M8ZYFG0OCMTT87 BYDNRA108 2030-11-20 2055-05-20 2.000000 - 7.500000 N/A 25671788.00 25499999.99 Agency Mortgage-Backed Securities Y 2025-08-01 2025-08-01 2025-08-01 N N N 0.0437 25000000.00 25000000.00 0.0498 N Y Y N US Treasury US Treasury 4.491 91282CLT6 254900HROIFWPRGM1V77 US91282CLT61 U.S. Treasury Debt Y 2025-08-01 2026-10-31 2026-10-31 N N N 0.0449 8559335.75 8559335.75 0.0171 N Y Y N Federal Home Loan Bank Federal Home Loan Bank 4.335 3130B6E69 2549001DPIFGXC1TOL40 US3130B6E699 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y 2025-08-01 2025-12-12 2025-12-12 N N N 0.0437 1200060.98 1200060.98 0.0024 N N N N US Treasury US Treasury 0.000 912797RQ2 254900HROIFWPRGM1V77 US912797RQ20 U.S. Treasury Debt Y 2025-11-25 2025-11-25 2025-11-25 N N N 0.0434 5623765.57 5623765.57 0.0112 N Y Y N Federal National Mortgage Association Federal National Mortgage Association 4.460 3135G07L1 B1V7KEBTPIMZEU4LTD58 US3135G07L12 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y 2025-08-01 2026-10-23 2026-10-23 N N N 0.0460 1511323.64 1511323.64 0.0030 N N N N US Treasury US Treasury 0.000 912797RP4 254900HROIFWPRGM1V77 US912797RP47 U.S. Treasury Debt Y 2025-11-18 2025-11-18 2025-11-18 N N N 0.0434 774931.26 774931.26 0.0015 N Y Y N US Treasury US Treasury 0.000 912797RE9 254900HROIFWPRGM1V77 US912797RE99 U.S. Treasury Debt Y 2025-10-28 2025-10-28 2025-10-28 N N N 0.0431 3859612.03 3859612.03 0.0077 N Y Y N US Treasury US Treasury 0.000 912797QU4 254900HROIFWPRGM1V77 US912797QU41 U.S. Treasury Debt Y 2025-09-16 2025-09-16 2025-09-16 N N N 0.0436 2884188.39 2884188.39 0.0057 N Y Y N US Treasury US Treasury 0.000 912797PQ4 254900HROIFWPRGM1V77 US912797PQ48 U.S. Treasury Debt Y 2025-08-28 2025-08-28 2025-08-28 N N N 0.0432 996784.37 996784.37 0.0020 N Y Y N US Treasury US Treasury 0.000 912797RM1 254900HROIFWPRGM1V77 US912797RM16 U.S. Treasury Debt Y 2025-11-04 2025-11-04 2025-11-04 N N N 0.0430 2768827.21 2768827.21 0.0055 N Y Y N Federal Home Loan Bank Federal Home Loan Bank 0.000 313385LL8 2549001DPIFGXC1TOL40 US313385LL87 U.S. Government Agency Debt (if categorized as no-coupon discount notes) Y 2025-09-08 2025-09-08 2025-09-08 N N N 0.0430 497708.75 497708.75 0.0010 N N Y N Federal Home Loan Bank Federal Home Loan Bank 4.330 3130B5YA0 2549001DPIFGXC1TOL40 US3130B5YA00 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y 2025-08-01 2025-08-11 2025-08-11 N N N 0.0445 500000.10 500000.10 0.0010 N N N N Federal National Mortgage Association Federal National Mortgage Association 4.460 3135G1AB7 B1V7KEBTPIMZEU4LTD58 US3135G1AB74 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y 2025-08-01 2026-12-11 2026-12-11 N N N 0.0462 1902052.57 1902052.57 0.0038 N N N N Federal National Mortgage Association Federal National Mortgage Association 4.455 3135G07J6 B1V7KEBTPIMZEU4LTD58 US3135G07J65 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y 2025-08-01 2026-08-21 2026-08-21 N N N 0.0461 1451238.86 1451238.86 0.0029 N N N N Federal Home Loan Bank Federal Home Loan Bank 4.325 3130B7BY9 2549001DPIFGXC1TOL40 US3130B7BY98 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y 2025-08-01 2025-10-28 2025-10-28 N N N 0.0437 3305060.98 3305060.98 0.0066 N N N N US Treasury US Treasury 0.000 912797PV3 254900HROIFWPRGM1V77 US912797PV33 U.S. Treasury Debt Y 2026-03-19 2026-03-19 2026-03-19 N N N 0.0414 7987576.13 7987576.13 0.0159 N Y Y N US Treasury US Treasury 0.000 912797RJ8 254900HROIFWPRGM1V77 US912797RJ86 U.S. Treasury Debt Y 2026-01-15 2026-01-15 2026-01-15 N N N 0.0427 882683.35 882683.35 0.0018 N Y Y N US Treasury US Treasury 0.000 912797QP5 254900HROIFWPRGM1V77 US912797QP55 U.S. Treasury Debt Y 2025-11-06 2025-11-06 2025-11-06 N N N 0.0422 1326862.41 1326862.41 0.0026 N Y Y N Federal Home Loan Bank Federal Home Loan Bank 4.385 3130B5Q84 2549001DPIFGXC1TOL40 US3130B5Q844 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y 2025-08-01 2027-03-25 2027-03-25 N N N 0.0449 1029971.20 1029971.20 0.0021 N N N N Federal Home Loan Bank Federal Home Loan Bank 4.330 3130B7C44 2549001DPIFGXC1TOL40 US3130B7C444 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y 2025-08-01 2025-11-28 2025-11-28 N N N 0.0438 1900062.88 1900062.88 0.0038 N N N N US Treasury US Treasury 0.000 912797QS9 254900HROIFWPRGM1V77 US912797QS94 U.S. Treasury Debt Y 2025-12-04 2025-12-04 2025-12-04 N N N 0.0430 3257890.82 3257890.82 0.0065 N Y Y N US Treasury US Treasury 4.250 91282CJS1 254900HROIFWPRGM1V77 US91282CJS17 U.S. Treasury Debt Y 2025-12-31 2025-12-31 2025-12-31 N N N 0.0423 989609.42 989609.42 0.0020 N Y Y N US Treasury US Treasury 4.384 91282CMJ7 254900HROIFWPRGM1V77 US91282CMJ70 U.S. Treasury Debt Y 2025-08-01 2027-01-31 2027-01-31 N N N 0.0439 10397970.64 10397970.64 0.0207 N Y Y N US Treasury US Treasury 0.375 91282CBC4 254900HROIFWPRGM1V77 US91282CBC47 U.S. Treasury Debt Y 2025-12-31 2025-12-31 2025-12-31 N N N 0.0426 1121475.00 1121475.00 0.0022 N Y Y N Federal Home Loan Bank Federal Home Loan Bank 4.320 3130B6TK2 2549001DPIFGXC1TOL40 US3130B6TK20 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y 2025-08-01 2025-12-26 2025-12-26 N N N 0.0432 1684967.60 1684967.60 0.0034 N N N N US Treasury US Treasury 4.468 91282CLA7 254900HROIFWPRGM1V77 US91282CLA70 U.S. Treasury Debt Y 2025-08-01 2026-07-31 2026-07-31 N N N 0.0452 4614882.04 4614882.04 0.0092 N Y Y N US Treasury US Treasury 0.000 912797QT7 254900HROIFWPRGM1V77 US912797QT77 U.S. Treasury Debt Y 2025-09-09 2025-09-09 2025-09-09 N N N 0.0432 15876832.79 15876832.79 0.0316 N Y Y N US Treasury US Treasury 0.000 912797QR1 254900HROIFWPRGM1V77 US912797QR12 U.S. Treasury Debt Y 2025-11-20 2025-11-20 2025-11-20 N N N 0.0429 6065515.78 6065515.78 0.0121 N Y Y N Federal Home Loan Bank Federal Home Loan Bank 4.320 3130B52Y3 2549001DPIFGXC1TOL40 US3130B52Y37 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y 2025-08-01 2025-08-14 2025-08-14 N N N 0.0434 3159976.21 3159976.21 0.0063 N N N N US Treasury US Treasury 0.000 912797NA1 254900HROIFWPRGM1V77 US912797NA14 U.S. Treasury Debt Y 2025-10-30 2025-10-30 2025-10-30 N N N 0.0426 5006370.33 5006370.33 0.0100 N Y Y N Federal Home Loan Mortgage Corp. Federal Home Loan Mortgage Corp. 0.375 3137EAEX3 S6XOOCT0IEG5ABCC6L87 US3137EAEX33 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y 2025-09-23 2025-09-23 2025-09-23 N N N 0.0424 1689976.26 1689976.26 0.0034 N N N N Federal Home Loan Bank Federal Home Loan Bank 4.380 3130B5B72 2549001DPIFGXC1TOL40 US3130B5B721 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y 2026-03-23 2026-03-23 2026-03-23 N N N 0.0438 2197619.89 2197619.89 0.0044 N N N N Federal Home Loan Bank Federal Home Loan Bank 4.340 3130B5N87 2549001DPIFGXC1TOL40 US3130B5N874 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y 2026-04-17 2026-04-17 2026-04-17 N N N 0.0434 3802957.18 3802957.18 0.0076 N N N N Federal Home Loan Bank Federal Home Loan Bank 4.320 3130B6VB9 2549001DPIFGXC1TOL40 US3130B6VB92 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y 2025-08-01 2025-12-30 2025-12-30 N N N 0.0432 1739966.78 1739966.78 0.0035 N N N N US Treasury US Treasury 0.000 912797QW0 254900HROIFWPRGM1V77 US912797QW07 U.S. Treasury Debt Y 2025-09-30 2025-09-30 2025-09-30 N N N 0.0434 3553657.81 3553657.81 0.0071 N Y Y N Tri-Party Goldman Sachs Group LP Tri-Party Goldman Sachs Group LP 4.370 BYDNRA0Q2 FOR8UP27PHTHYVLBNG30 U.S. Government Agency Repurchase Agreement, collateralized only by U.S. Government Agency securities, U.S. Treasuries, and cash Y N N Y US Treasury 254900HROIFWPRGM1V77 BYDNRA0Q2 2025-08-15 2051-02-15 0.000000 - 4.750000 N/A 8354333.00 8466886.44 U.S. Treasuries (including strips) Government National Mortgage Association 549300M8ZYFG0OCMTT87 BYDNRA0Q2 2051-06-20 2054-01-20 3.000000 - 7.000000 N/A 18013052.00 18050206.24 Agency Mortgage-Backed Securities Federal Home Loan Mortgage Corp. S6XOOCT0IEG5ABCC6L87 BYDNRA0Q2 2034-05-01 4.000000 N/A 1140.00 1114.56 Agency Mortgage-Backed Securities Federal National Mortgage Association B1V7KEBTPIMZEU4LTD58 BYDNRA0Q2 2027-02-01 2059-04-01 4.000000 - 7.500000 N/A 1966.00 1823.23 Agency Mortgage-Backed Securities Y 2025-08-01 2025-08-01 2025-08-01 N N N 0.0437 26000000.00 26000000.00 0.0518 N Y Y N US Treasury US Treasury 0.000 912797NU7 254900HROIFWPRGM1V77 US912797NU77 U.S. Treasury Debt Y 2025-12-26 2025-12-26 2025-12-26 N N N 0.0426 8158290.45 8158290.45 0.0163 N Y Y N Federal Home Loan Bank Federal Home Loan Bank 4.330 3130B75R1 2549001DPIFGXC1TOL40 US3130B75R13 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y 2025-08-01 2025-11-19 2025-11-19 N N N 0.0433 1500048.72 1500048.72 0.0030 N N N N Federal Home Loan Bank Federal Home Loan Bank 4.330 3130B62Z8 2549001DPIFGXC1TOL40 US3130B62Z83 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y 2025-08-01 2025-09-02 2025-09-02 N N N 0.0436 1299984.84 1299984.84 0.0026 N N N N Federal Farm Credit Bank Federal Farm Credit Bank 4.455 3133ERXN6 254900C5LP6DN9OP9V83 US3133ERXN60 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y 2025-08-01 2026-10-15 2026-10-15 N N N 0.0446 4103357.24 4103357.24 0.0082 N N N N US Treasury US Treasury 1.625 912828R36 254900HROIFWPRGM1V77 US912828R366 U.S. Treasury Debt Y 2026-05-15 2026-05-15 2026-05-15 N N N 0.0404 784222.65 784222.65 0.0016 N Y Y N Federal Home Loan Bank Federal Home Loan Bank 4.40 3130B7DF8 2549001DPIFGXC1TOL40 US3130B7DF81 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y 2025-08-01 2025-12-03 2025-12-03 N N N 0.0440 1740000.00 1740000.00 0.0035 N N N N Federal National Mortgage Association Federal National Mortgage Association 4.460 3135G1AA9 B1V7KEBTPIMZEU4LTD58 US3135G1AA91 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y 2025-08-01 2026-11-20 2026-11-20 N N N 0.0446 2003013.40 2003013.40 0.0040 N N N N Federal Home Loan Bank Federal Home Loan Bank 4.320 3130B5DQ8 2549001DPIFGXC1TOL40 US3130B5DQ80 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y 2025-08-01 2025-08-29 2025-08-29 N N N 0.0432 4474940.26 4474940.26 0.0089 N N N N Tri-Party Bank of Montreal Tri-Party Bank of Montreal 4.360 BYDNR9ZB0 NQQ6HPCNCCU6TUTQYE16 U.S. Treasury Repurchase Agreement, if collateralized only by U.S. Treasuries (including Strips) and cash Y N N Y US Treasury 254900HROIFWPRGM1V77 BYDNR9ZB0 2043-02-15 2047-11-15 2.750000 - 3.125000 N/A 21413781.00 15300051.21 U.S. Treasuries (including strips) Y 2025-08-01 2025-08-01 2025-08-01 N N N 0.0436 15000000.00 15000000.00 0.0299 N Y Y N US Treasury US Treasury 0.000 912797QH3 254900HROIFWPRGM1V77 US912797QH30 U.S. Treasury Debt Y 2025-08-05 2025-08-05 2025-08-05 N N N 0.0432 18491126.85 18491126.85 0.0368 N Y Y N Federal Farm Credit Bank Federal Farm Credit Bank 4.546 3133ERXT3 254900C5LP6DN9OP9V83 US3133ERXT31 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y 2025-08-05 2026-10-16 2026-10-16 N N N 0.0455 2203871.10 2203871.10 0.0044 N N N N US Treasury US Treasury 0.375 91282CBH3 254900HROIFWPRGM1V77 US91282CBH34 U.S. Treasury Debt Y 2026-01-31 2026-01-31 2026-01-31 N N N 0.0424 588314.06 588314.06 0.0012 N Y Y N US Treasury US Treasury 4.436 91282CKM2 254900HROIFWPRGM1V77 US91282CKM28 U.S. Treasury Debt Y 2025-08-01 2026-04-30 2026-04-30 N N N 0.0443 7305633.26 7305633.26 0.0146 N Y Y N Federal Home Loan Bank Federal Home Loan Bank 4.320 3130B6YX8 2549001DPIFGXC1TOL40 US3130B6YX85 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y 2025-08-01 2026-01-13 2026-01-13 N N N 0.0432 2349962.00 2349962.00 0.0047 N N N N Federal Home Loan Bank Federal Home Loan Bank 4.325 3130B4VH1 2549001DPIFGXC1TOL40 US3130B4VH15 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y 2025-08-01 2025-08-05 2025-08-05 N N N 0.0433 5729993.64 5729993.64 0.0114 N N Y N Federal Home Loan Bank Federal Home Loan Bank 4.335 3130B75U4 2549001DPIFGXC1TOL40 US3130B75U42 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y 2025-08-01 2025-12-23 2025-12-23 N N N 0.0433 1200020.52 1200020.52 0.0024 N N N N Federal Farm Credit Bank Federal Farm Credit Bank 4.420 3133ERHZ7 254900C5LP6DN9OP9V83 US3133ERHZ74 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y 2025-08-01 2026-06-24 2026-06-24 N N N 0.0442 300138.38 300138.38 0.0006 N N N N Federal Farm Credit Bank Federal Farm Credit Bank 4.385 3133ETAU1 254900C5LP6DN9OP9V83 US3133ETAU17 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y 2025-08-01 2027-03-26 2027-03-26 N N N 0.0438 469985.31 469985.31 0.0009 N N N N Federal Home Loan Bank Federal Home Loan Bank 4.330 3130B6TL0 2549001DPIFGXC1TOL40 US3130B6TL03 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y 2025-08-01 2026-02-17 2026-02-17 N N N 0.0433 600003.50 600003.50 0.0012 N N N N Tri-Party TD Securities Tri-Party TD Securities 4.380 BYDNRA1F5 SUVUFHICNZMP2WKHG940 U.S. Government Agency Repurchase Agreement, collateralized only by U.S. Government Agency securities, U.S. Treasuries, and cash Y N N Y Federal National Mortgage Association B1V7KEBTPIMZEU4LTD58 BYDNRA1F5 2054-11-01 5.500000 N/A 20601113.00 20600000.54 Agency Mortgage-Backed Securities Y 2025-08-01 2025-08-01 2025-08-01 N N N 0.0438 20000000.00 20000000.00 0.0398 N Y Y N Federal Home Loan Bank Federal Home Loan Bank 4.330 3130B5Y51 2549001DPIFGXC1TOL40 US3130B5Y517 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y 2025-08-01 2025-08-12 2025-08-12 N N N 0.0436 800001.74 800001.74 0.0016 N N N N US Treasury US Treasury 0.000 912797RA7 254900HROIFWPRGM1V77 US912797RA77 U.S. Treasury Debt Y 2026-01-02 2026-01-02 2026-01-02 N N N 0.0426 4700254.59 4700254.59 0.0094 N Y Y N US Treasury US Treasury 4.625 91282CKB6 254900HROIFWPRGM1V77 US91282CKB62 U.S. Treasury Debt Y 2026-02-28 2026-02-28 2026-02-28 N N N 0.0412 400634.38 400634.38 0.0008 N Y Y N Federal Home Loan Bank Federal Home Loan Bank 4.350 3130B6BV7 2549001DPIFGXC1TOL40 US3130B6BV76 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y 2026-06-05 2026-06-05 2026-06-05 N N N 0.0438 1898955.17 1898955.17 0.0038 N N N N Federal Home Loan Bank Federal Home Loan Bank 4.320 3130B5C97 2549001DPIFGXC1TOL40 US3130B5C976 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y 2025-08-01 2025-08-21 2025-08-21 N N N 0.0434 609994.26 609994.26 0.0012 N N N N Federal Farm Credit Bank Federal Farm Credit Bank 4.420 3133ERJN2 254900C5LP6DN9OP9V83 US3133ERJN27 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y 2025-08-01 2026-06-26 2026-06-26 N N N 0.0442 805378.86 805378.86 0.0016 N N N N US Treasury US Treasury 0.000 912797PY7 254900HROIFWPRGM1V77 US912797PY71 U.S. Treasury Debt Y 2025-09-25 2025-09-25 2025-09-25 N N N 0.0425 2726074.89 2726074.89 0.0054 N Y Y N US Treasury US Treasury 0.000 912797QY6 254900HROIFWPRGM1V77 US912797QY62 U.S. Treasury Debt Y 2025-12-11 2025-12-11 2025-12-11 N N N 0.0430 3742093.05 3742093.05 0.0075 N Y Y N US Treasury US Treasury 0.000 912797QJ9 254900HROIFWPRGM1V77 US912797QJ95 U.S. Treasury Debt Y 2025-08-12 2025-08-12 2025-08-12 N N N 0.0437 9437655.97 9437655.97 0.0188 N Y Y N US Treasury US Treasury 0.875 91282CCJ8 254900HROIFWPRGM1V77 US91282CCJ80 U.S. Treasury Debt Y 2026-06-30 2026-06-30 2026-06-30 N N N 0.0416 232905.00 232905.00 0.0005 N Y Y N Tri-Party Natixis S.A. Tri-Party Natixis S.A. 4.360 BYDNRA173 549300L8G1E7ZHVEOG75 U.S. Treasury Repurchase Agreement, if collateralized only by U.S. Treasuries (including Strips) and cash Y N N Y US Treasury 254900HROIFWPRGM1V77 BYDNRA173 2026-01-15 2055-02-15 0.625000 - 4.625000 N/A 29444080.00 25500017.00 U.S. Treasuries (including strips) Y 2025-08-01 2025-08-01 2025-08-01 N N N 0.0436 25000000.00 25000000.00 0.0498 N Y Y N Tri-Party BNP Paribas Tri-Party BNP Paribas 4.360 BYDNR9ZN4 R0MUWSFPU8MPRO8K5P83 U.S. Treasury Repurchase Agreement, if collateralized only by U.S. Treasuries (including Strips) and cash Y N N Y US Treasury 254900HROIFWPRGM1V77 BYDNR9ZN4 2027-04-30 2052-08-15 0.000000 - 3.750000 N/A 17249061.00 10200000.34 U.S. Treasuries (including strips) Y 2025-08-01 2025-08-01 2025-08-01 N N N 0.0436 10000000.00 10000000.00 0.0199 N Y Y N US Treasury US Treasury 0.000 912797QZ3 254900HROIFWPRGM1V77 US912797QZ38 U.S. Treasury Debt Y 2025-12-18 2025-12-18 2025-12-18 N N N 0.0430 5116245.52 5116245.52 0.0102 N Y Y N US Treasury US Treasury 0.000 912797MH7 254900HROIFWPRGM1V77 US912797MH75 U.S. Treasury Debt Y 2025-09-04 2025-09-04 2025-09-04 N N N 0.0427 10557182.48 10557182.48 0.0210 N Y Y N Federal Home Loan Bank Federal Home Loan Bank 4.320 3130B6SM9 2549001DPIFGXC1TOL40 US3130B6SM94 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y 2025-08-01 2025-12-19 2025-12-19 N N N 0.0432 719988.19 719988.19 0.0014 N N N N US Treasury US Treasury 0.000 912797NL7 254900HROIFWPRGM1V77 US912797NL78 U.S. Treasury Debt Y 2025-11-28 2025-11-28 2025-11-28 N N N 0.0432 3352654.32 3352654.32 0.0067 N Y Y N Tri-Party BNP Paribas Tri-Party BNP Paribas 4.370 BYDNRA025 R0MUWSFPU8MPRO8K5P83 U.S. Government Agency Repurchase Agreement, collateralized only by U.S. Government Agency securities, U.S. Treasuries, and cash Y N N Y Government National Mortgage Association 549300M8ZYFG0OCMTT87 BYDNRA025 2039-09-15 2055-05-20 2.500000 - 6.625000 N/A 5167017.00 5077772.72 Agency Mortgage-Backed Securities US Treasury 254900HROIFWPRGM1V77 BYDNRA025 2025-12-15 2045-08-15 2.875000 - 6.516000 N/A 21787.00 22227.27 U.S. Treasuries (including strips) Y 2025-08-01 2025-08-01 2025-08-01 N N N 0.0437 5000000.00 5000000.00 0.0100 N Y Y N Federal Home Loan Mortgage Corp. Federal Home Loan Mortgage Corp. 4.435 3134HBPD7 S6XOOCT0IEG5ABCC6L87 US3134HBPD74 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y 2025-08-01 2027-05-05 2027-05-05 N N N 0.0457 799992.16 799992.16 0.0016 N N N N Federal Home Loan Bank Federal Home Loan Bank 4.330 3130B63F1 2549001DPIFGXC1TOL40 US3130B63F11 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y 2025-08-01 2025-08-26 2025-08-26 N N N 0.0436 899991.09 899991.09 0.0018 N N N N US Treasury US Treasury 4.456 91282CJD4 254900HROIFWPRGM1V77 US91282CJD48 U.S. Treasury Debt Y 2025-08-01 2025-10-31 2025-10-31 N N N 0.0448 7133746.93 7133746.93 0.0142 N Y Y N Federal Home Loan Bank Federal Home Loan Bank 0.000 313385LN4 2549001DPIFGXC1TOL40 US313385LN44 U.S. Government Agency Debt (if categorized as no-coupon discount notes) Y 2025-09-10 2025-09-10 2025-09-10 N N N 0.0430 6389071.65 6389071.65 0.0127 N N Y N Federal Home Loan Bank Federal Home Loan Bank 4.325 3130B6AK2 2549001DPIFGXC1TOL40 US3130B6AK21 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y 2025-08-01 2025-09-03 2025-09-03 N N N 0.0433 699993.22 699993.22 0.0014 N N N N Federal Home Loan Mortgage Corp. Federal Home Loan Mortgage Corp. 4.460 3134HAMW0 S6XOOCT0IEG5ABCC6L87 US3134HAMW00 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y 2025-08-01 2026-09-23 2026-09-23 N N N 0.0463 1301221.57 1301221.57 0.0026 N N N N Federal Farm Credit Bank Federal Farm Credit Bank 4.390 3133ERES6 254900C5LP6DN9OP9V83 US3133ERES68 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y 2025-08-01 2025-11-17 2025-11-17 N N N 0.0439 800191.41 800191.41 0.0016 N N N N US Treasury US Treasury 0.000 912797QG5 254900HROIFWPRGM1V77 US912797QG56 U.S. Treasury Debt Y 2025-10-23 2025-10-23 2025-10-23 N N N 0.0425 594132.94 594132.94 0.0012 N Y Y N US Treasury US Treasury 0.500 91282CBQ3 254900HROIFWPRGM1V77 US91282CBQ33 U.S. Treasury Debt Y 2026-02-28 2026-02-28 2026-02-28 N N N 0.0411 293439.84 293439.84 0.0006 N Y Y N Federal Farm Credit Bank Federal Farm Credit Bank 4.395 3133ETNT0 254900C5LP6DN9OP9V83 US3133ETNT07 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y 2025-08-01 2027-02-01 2027-02-01 N N N 0.0449 1199635.61 1199635.61 0.0024 N N N N Federal Home Loan Bank Federal Home Loan Bank 4.125 3130B6DC7 2549001DPIFGXC1TOL40 US3130B6DC77 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y 2025-11-07 2025-11-07 2025-11-07 N N N 0.0430 1199392.62 1199392.62 0.0024 N N N N Federal Home Loan Bank Federal Home Loan Bank 4.420 3130B1TL1 2549001DPIFGXC1TOL40 US3130B1TL16 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y 2025-08-01 2026-06-26 2026-06-26 N N N 0.0442 2231444.66 2231444.66 0.0044 N N N N US Treasury US Treasury 0.000 912797RR0 254900HROIFWPRGM1V77 US912797RR03 U.S. Treasury Debt Y 2025-12-02 2025-12-02 2025-12-02 N N N 0.0433 4439125.20 4439125.20 0.0088 N Y Y N Federal Home Loan Bank Federal Home Loan Bank 4.320 3130B6T71 2549001DPIFGXC1TOL40 US3130B6T713 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y 2025-08-01 2025-12-18 2025-12-18 N N N 0.0432 609989.97 609989.97 0.0012 N N N N US Treasury US Treasury 0.000 912797PX9 254900HROIFWPRGM1V77 US912797PX98 U.S. Treasury Debt Y 2025-09-18 2025-09-18 2025-09-18 N N N 0.0424 984371.41 984371.41 0.0020 N Y Y N Tri-Party Mizuho Securities Tri-Party Mizuho Securities 4.370 BYDNRA116 7TK5RJIZDFROZCA6XF66 U.S. Treasury Repurchase Agreement, if collateralized only by U.S. Treasuries (including Strips) and cash Y N N Y US Treasury 254900HROIFWPRGM1V77 BYDNRA116 2050-02-15 0.250000 N/A 53635300.00 30600011.58 U.S. Treasuries (including strips) Y 2025-08-01 2025-08-01 2025-08-01 N N N 0.0437 30000000.00 30000000.00 0.0598 N Y Y N US Treasury US Treasury 0.000 912797QN0 254900HROIFWPRGM1V77 US912797QN08 U.S. Treasury Debt Y 2026-05-14 2026-05-14 2026-05-14 N N N 0.0411 4122561.99 4122561.99 0.0082 N Y Y N US Treasury US Treasury 4.625 91282CKY6 254900HROIFWPRGM1V77 US91282CKY65 U.S. Treasury Debt Y 2026-06-30 2026-06-30 2026-06-30 N N N 0.0415 1766270.00 1766270.00 0.0035 N Y Y N Tri-Party Citigroup Global Markets, Inc. Tri-Party Citigroup Global Markets, Inc. 4.360 BYDNR9ZG9 MBNUM2BPBDO7JBLYG310 U.S. Treasury Repurchase Agreement, if collateralized only by U.S. Treasuries (including Strips) and cash Y N N Y US Treasury 254900HROIFWPRGM1V77 BYDNR9ZG9 2031-07-31 4.125000 N/A 5085800.00 5100091.10 U.S. Treasuries (including strips) Y 2025-08-01 2025-08-01 2025-08-01 N N N 0.0436 5000000.00 5000000.00 0.0100 N Y Y N Federal Home Loan Bank Federal Home Loan Bank 4.40 3130B7DB7 2549001DPIFGXC1TOL40 US3130B7DB77 U.S. Government Agency Debt (if categorized as no-coupon discount notes) Y 2025-08-01 2025-12-02 2025-12-02 N N N 0.0440 1160000.00 1160000.00 0.0023 N N N N Tri-Party Bank of Nova Scotia Tri-Party Bank of Nova Scotia 4.350 BYDNSGG99 L3I9ZG2KFGXZ61BMYR72 U.S. Treasury Repurchase Agreement, if collateralized only by U.S. Treasuries (including Strips) and cash Y N N Y US Treasury 254900HROIFWPRGM1V77 BYDNSGG99 2026-11-30 2034-11-15 1.625000 - 4.250000 N/A 20057057.00 20402465.16 U.S. Treasuries (including strips) Y 2025-08-01 2025-08-01 2025-08-01 N N N 0.0435 20000000.00 20000000.00 0.0398 N Y Y N Federal Home Loan Bank Federal Home Loan Bank 0.000 313385PY6 2549001DPIFGXC1TOL40 US313385PY62 U.S. Government Agency Debt (if categorized as no-coupon discount notes) Y 2025-12-01 2025-12-01 2025-12-01 N N N 0.0406 3943146.68 3943146.68 0.0079 N N N N Federal Farm Credit Bank Federal Farm Credit Bank 4.455 3133ERP21 254900C5LP6DN9OP9V83 US3133ERP211 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y 2025-08-01 2026-12-23 2026-12-23 N N N 0.0446 400374.38 400374.38 0.0008 N N N N Federal Home Loan Bank Federal Home Loan Bank 4.320 3130B6SX5 2549001DPIFGXC1TOL40 US3130B6SX59 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y 2025-08-01 2025-12-22 2025-12-22 N N N 0.0432 244995.93 244995.93 0.0005 N N N N Federal Home Loan Bank Federal Home Loan Bank 4.250 3130B62T2 2549001DPIFGXC1TOL40 US3130B62T24 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y 2026-05-22 2026-05-22 2026-05-22 N N N 0.0429 3498257.88 3498257.88 0.0070 N N N N US Treasury US Treasury 0.000 912797QL4 254900HROIFWPRGM1V77 US912797QL42 U.S. Treasury Debt Y 2025-08-26 2025-08-26 2025-08-26 N N N 0.0433 5245297.38 5245297.38 0.0104 N Y Y N Federal Home Loan Bank Federal Home Loan Bank 4.320 3130B6UT1 2549001DPIFGXC1TOL40 US3130B6UT10 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y 2025-08-01 2025-12-24 2025-12-24 N N N 0.0432 1194978.36 1194978.36 0.0024 N N N N Federal Home Loan Bank Federal Home Loan Bank 4.315 3130B6MX1 2549001DPIFGXC1TOL40 US3130B6MX14 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y 2025-08-01 2025-10-06 2025-10-06 N N N 0.0432 599997.23 599997.23 0.0012 N N N N Federal National Mortgage Association Federal National Mortgage Association 4.440 3135G07H0 B1V7KEBTPIMZEU4LTD58 US3135G07H00 U.S. Government Agency Debt (if categorized as coupon-paying notes) Y 2025-08-01 2026-07-29 2026-07-29 N N N 0.0444 4312729.66 4312729.66 0.0086 N N N N US Treasury US Treasury 0.000 912797RK5 254900HROIFWPRGM1V77 US912797RK59 U.S. Treasury Debt Y 2026-01-29 2026-01-29 2026-01-29 N N N 0.0427 979235.28 979235.28 0.0020 N Y Y N US Treasury US Treasury 0.000 912797RN9 254900HROIFWPRGM1V77 US912797RN98 U.S. Treasury Debt Y 2025-11-12 2025-11-12 2025-11-12 N N N 0.0435 8298238.87 8298238.87 0.0165 N Y Y N US Treasury US Treasury 0.000 912797QM2 254900HROIFWPRGM1V77 US912797QM25 U.S. Treasury Debt Y 2025-09-02 2025-09-02 2025-09-02 N N N 0.0431 9862371.19 9862371.19 0.0196 N Y Y N Tri-Party Citigroup Global Markets, Inc. Tri-Party Citigroup Global Markets, Inc. 4.370 BYDNR9ZJ3 MBNUM2BPBDO7JBLYG310 U.S. Government Agency Repurchase Agreement, collateralized only by U.S. Government Agency securities, U.S. Treasuries, and cash Y N N Y Government National Mortgage Association 549300M8ZYFG0OCMTT87 BYDNR9ZJ3 2046-11-20 2046-11-20 3.000000 - 4.000000 N/A 11126634.00 10200000.02 Agency Mortgage-Backed Securities Y 2025-08-01 2025-08-01 2025-08-01 N N N 0.0437 10000000.00 10000000.00 0.0199 N Y Y N Northwestern Mutual Series Fund, Inc. 2025-08-07 /s/Linda Wisniewski Linda Wisniewski Controller and Chief Accounting Officer