N-MFP2 0000742212 XXXXXXXX 2020-07-31 0000742212 S000000048 1 N N 002-89971 Mason Street Advisors, LLC 801-60721 BlackRock Advisors, LLC 801-47710 PricewaterhouseCoopers LLP Milwaukee WI The investment adviser has contracted with The Northwestern Mutual Life Insurance Company to provide certain administrative services for the fund. 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Agency Debt Y N/A N/A 2021-03-17 2021-03-17 2021-03-17 N N N 0.0027 2223603.19 2223603.19 0.0039 N N N N Federal Farm Credit Bank Federal Farm Credit Bank 313313GH5 US313313GH53 U.S. Government Agency Debt Y N/A N/A 2021-06-01 2021-06-01 2021-06-01 N N N 0.0019 3181793.76 3181793.76 0.0056 N N N N Federal Farm Credit Bank Federal Farm Credit Bank 313313HP6 US313313HP60 U.S. Government Agency Debt Y N/A N/A 2021-07-01 2021-07-01 2021-07-01 N N N 0.0015 5639273.49 5639273.49 0.0099 N N N N Federal Farm Credit Bank Federal Farm Credit Bank 313312B90 US313312B907 U.S. Government Agency Debt Y N/A N/A 2020-08-14 2020-08-14 2020-08-14 N N N 0.0162 1724963.10 1724963.10 0.0030 N N Y N Federal Farm Credit Bank Federal Farm Credit Bank 313312E55 US313312E554 U.S. Government Agency Debt Y N/A N/A 2020-09-03 2020-09-03 2020-09-03 N N N 0.0156 3794705.89 3794705.89 0.0066 N N Y N Federal Farm Credit Bank Federal Farm Credit Bank 313312H60 US313312H607 U.S. Government Agency Debt Y N/A N/A 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Courtney Barbara E. Courtney Controller and Chief Accounting Officer