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Loan Bank Discount Notes, 2.25% 313384AR0 US313384AR02 U.S. Government Agency Debt Y Fitch NR Moody's P-1 Standard & Poor's A-1+ 2019-01-16 2019-01-16 2019-01-16 N N N 0.0225 62816798.61 62816798.61 0.0209 N N Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes, 2.32% 313384AT6 US313384AT67 U.S. Government Agency Debt Y Fitch NR Moody's P-1 Standard & Poor's A-1+ 2019-01-18 2019-01-18 2019-01-18 N N N 0.0232 34891733.33 34891733.33 0.0116 N N Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes, 2.33% 313384AZ2 US313384AZ28 U.S. Government Agency Debt Y Fitch NR Moody's P-1 Standard & Poor's A-1+ 2019-01-24 2019-01-24 2019-01-24 N N N 0.0233 39860200.00 39860200.00 0.0133 N N Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes, 2.3% 313384AY5 US313384AY52 U.S. Government Agency Debt Y Fitch NR Moody's P-1 Standard & Poor's A-1+ 2019-01-23 2019-01-23 2019-01-23 N N N 0.0230 24915531.25 24915531.25 0.0083 N N Y N Freddie Mac Discount Notes Freddie Mac Discount Notes, 2.36% 313396CC5 US313396CC52 U.S. Government Agency Debt Y Fitch F1+ Moody's P-1 Standard & Poor's A-1+ 2019-02-20 2019-02-20 2019-02-20 N N N 0.0236 29840700.00 29840700.00 0.0099 N N N N Freddie Mac Discount Notes Freddie Mac Discount Notes, 2.17% 313397U41 US313397U411 U.S. Government Agency Debt Y Fitch F1+ Moody's P-1 Standard & Poor's A-1+ 2018-12-24 2018-12-24 2018-12-24 N N N 0.0217 24965340.28 24965340.28 0.0083 N N Y N Freddie Mac Discount Notes Freddie Mac Discount Notes, 2.15% 313397T76 US313397T769 U.S. Government Agency Debt Y Fitch F1+ Moody's P-1 Standard & Poor's A-1+ 2018-12-19 2018-12-19 2018-12-19 N N N 0.0215 25806228.45 25806228.45 0.0086 N N Y N Freddie Mac Discount Notes Freddie Mac Discount Notes, 2.34% 313396BV4 US313396BV43 U.S. Government Agency Debt Y Fitch F1+ Moody's P-1 Standard & Poor's A-1+ 2019-02-13 2019-02-13 2019-02-13 N N N 0.0234 13199095.92 13199095.92 0.0044 N N N N Goldman Sachs Financial Square Funds - Government Fund Goldman Sachs Financial Square Funds - Government Fund, 2.11% 38141W273 US38141W2733 Investment Company Y Fitch F1 Moody's Aaa Standard & Poor's AAAm 2018-12-03 2018-12-03 2018-12-03 N N N 0.0211 68650000.00 68650000.00 0.0229 N Y Y N Goldman Sachs Repurchase Agreement Goldman Sachs Repurchase Agreement, 2.27% 0000769993 RP113018J U.S. Government Agency Repurchase Agreement, collateralized only by U.S. Government Agency securities, U.S. Treasuries, and cash Y N Federal Home Loan Bank 2036-07-14 2.875000 8160000.00 7104431.47 Agency Mortgage-Backed Securities Federal Home Loan Bank 2028-03-22 3.340000 3825000.00 3744976.75 Agency Mortgage-Backed Securities Federal Home Loan Bank 2029-02-28 3.040000 37110000.00 35373952.95 Agency Mortgage-Backed Securities Federal Home Loan Bank 2028-10-18 3.000000 820000.00 773670.00 Agency Mortgage-Backed Securities Federal Home Loan Bank 2033-07-05 4.150000 20000.00 19819.71 Agency Mortgage-Backed Securities Federal Home Loan Bank 2028-11-16 3.250000 7000000.00 6957537.22 Agency Mortgage-Backed Securities Federal Farm Credit Banks 2022-09-19 2.720000 110000.00 109635.29 Agency Debentures and Agency Strips Federal Farm Credit Banks 2032-07-19 3.050000 1033000.00 981193.62 Agency Debentures and Agency Strips Federal Farm Credit Banks 2024-07-23 2.810000 7239000.00 7202754.73 Agency Debentures and Agency Strips Federal Farm Credit Banks 2026-03-09 2.790000 13172000.00 12683944.47 Agency Debentures and Agency Strips Federal Farm Credit Banks 2037-02-23 3.670000 180000.00 173447.75 Agency Debentures and Agency Strips Federal Farm Credit Banks 2036-06-09 3.030000 2400000.00 2146422.00 Agency Debentures and Agency Strips Federal Farm Credit Banks 2026-06-08 3.040000 2110000.00 2068189.18 Agency Debentures and Agency Strips Federal Farm Credit Banks 2037-11-16 3.420000 2200000.00 1988404.00 Agency Debentures and Agency Strips Federal Farm Credit Banks 2029-09-05 3.000000 16500000.00 15627535.00 Agency Debentures and Agency Strips Federal Farm Credit Banks 2038-08-02 4.140000 4612000.00 4618825.76 Agency Debentures and Agency Strips Federal Farm Credit Banks 2028-12-28 3.200000 20000000.00 19727755.56 Agency Debentures and Agency Strips Fannie Mae 2020-06-22 1.500000 90000.00 88761.90 Agency Mortgage-Backed Securities Fannie Mae 2021-06-22 2.750000 1000000.00 1008950.28 Agency Mortgage-Backed Securities Y Fitch NR Moody's NR Standard & Poor's NR 2018-12-03 2018-12-03 2018-12-03 N N N 0.0227 120000000.00 120000000.00 0.0400 N Y Y N Merrill Lynch Repurchase Agreement Merrill Lynch Repurchase Agreement, 2.27% 0000065100 RP113018L U.S. Government Agency Repurchase Agreement, collateralized only by U.S. Government Agency securities, U.S. Treasuries, and cash Y N Federal Home Loan Bank 2019-05-17 2.500000 101875000.00 102002966.32 Agency Mortgage-Backed Securities Y Fitch NR Moody's NR Standard & Poor's NR 2018-12-03 2018-12-03 2018-12-03 N N N 0.0227 100000000.00 100000000.00 0.0333 N Y Y N Mizuho Securities Repurchase Agreement Mizuho Securities Repurchase Agreement, 2.27% 0000812291 RP113018Z U.S. Treasury Repurchase Agreement, if collateralized only by U.S. Treasuries (including Strips) and cash Y N US Treasury 2018-12-06 0.000000 27806000.00 27794543.93 U.S. Treasuries (including strips) US Treasury 2018-12-13 0.000000 464000.00 463615.81 U.S. Treasuries (including strips) US Treasury 2018-12-11 0.000000 13749000.00 13739279.46 U.S. Treasuries (including strips) US Treasury 2020-02-29 2.250000 11323900.00 11311863.57 U.S. Treasuries (including strips) US Treasury 2023-11-30 2.875000 34458700.00 34488334.48 U.S. Treasuries (including strips) US Treasury 2020-12-31 2.375000 2350000.00 2352007.65 U.S. Treasuries (including strips) US Treasury 2019-03-31 1.500000 11860000.00 11850437.71 U.S. Treasuries (including strips) Y Fitch NR Moody's NR Standard & Poor's NR 2018-12-03 2018-12-03 2018-12-03 N N N 0.0227 100000000.00 100000000.00 0.0333 N Y Y N Morgan Stanley Institutional Liquidity Funds - Government Portfolio Morgan Stanley Institutional Liquidity Funds - Government Portfolio, 2.1% 61747C707 549300BI6Y5SI6BYPB26 US61747C7074 Investment Company Y Fitch F1+ Moody's Aaa-mf Standard & Poor's AAAm 2018-12-03 2018-12-03 2018-12-03 N N N 0.0210 57000000.00 57000000.00 0.0190 N Y Y N Royal Bank of Canada Repurchase Agreement Royal Bank of Canada Repurchase Agreement, 2.25% 0001000275 RP113018C U.S. Treasury Repurchase Agreement, if collateralized only by U.S. Treasuries (including Strips) and cash Y N US Treasury 2022-11-15 7.625000 23006200.00 27158900.32 U.S. Treasuries (including strips) US Treasury 2025-05-15 2.125000 51737000.00 49341190.16 U.S. Treasuries (including strips) Y Fitch NR Moody's NR Standard & Poor's NR 2018-12-03 2018-12-03 2018-12-03 N N N 0.0225 75000000.00 75000000.00 0.0250 N Y Y N STIT - Government & Agency Portfolio STIT - Government & Agency Portfolio, 2.13% 825252885 US8252527291 Investment Company Y Fitch F1 Moody's Aaa Standard & Poor's AAAm 2018-12-07 2018-12-07 2018-12-07 N N N 0.0213 64800000.00 64800000.00 0.0216 N N Y N United States Treasury Bill United States Treasury Bill, 2.3% 912796QW2 254900HROIFWPRGM1V77 US912796QW24 U.S. Treasury Debt Y Fitch NR Moody's P-1 Standard & Poor's A-1+ 2019-02-07 2019-02-07 2019-02-07 N N N 0.0230 24891388.89 24891388.89 0.0083 N Y Y N United States Treasury Bill United States Treasury Bill, 2.12% 912796PE3 254900HROIFWPRGM1V77 US912796PE35 U.S. Treasury Debt Y Fitch NR Moody's P-1 Standard & Poor's A-1+ 2018-12-06 2018-12-06 2018-12-06 N N N 0.0212 49985277.78 49985277.78 0.0167 N Y Y N United States Treasury Bill United States Treasury Bill, 2.26% 912796QT9 254900HROIFWPRGM1V77 US912796QT94 U.S. Treasury Debt Y Fitch NR Moody's P-1 Standard & Poor's A-1+ 2019-01-17 2019-01-17 2019-01-17 N N N 0.0226 34896730.56 34896730.56 0.0116 N Y Y N United States Treasury Bill United States Treasury Bill, 2.22% 912796QS1 254900HROIFWPRGM1V77 US912796QS12 U.S. Treasury Debt Y Fitch NR Moody's P-1 Standard & Poor's A-1+ 2019-01-10 2019-01-10 2019-01-10 N N N 0.0222 39901333.33 39901333.33 0.0133 N Y Y N United States Treasury Bill United States Treasury Bill, 2.16% 912796QQ5 254900HROIFWPRGM1V77 US912796QQ55 U.S. Treasury Debt Y Fitch NR Moody's P-1 Standard & Poor's A-1+ 2018-12-27 2018-12-27 2018-12-27 N N N 0.0216 39937744.44 39937744.44 0.0133 N Y Y N Principal Funds, Inc. 2018-12-05 /s/ Laura Latham Laura Latham Assitant Counsel