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NR Moody's P-1 Standard & Poor's A-1+ 2018-07-20 2018-07-20 2018-07-20 N N N 0.0187 79802264.59 79802264.59 0.0215 N N Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes, 1.86% 313385ZU3 US313385ZU31 U.S. Government Agency Debt Y Fitch NR Moody's P-1 Standard & Poor's A-1+ 2018-07-25 2018-07-25 2018-07-25 N N N 0.0186 54849437.50 54849437.50 0.0148 N N Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes, 1.86% 313385ZW9 US313385ZW96 U.S. Government Agency Debt Y Fitch NR Moody's P-1 Standard & Poor's A-1+ 2018-07-27 2018-07-27 2018-07-27 N N N 0.0186 59828266.66 59828266.66 0.0161 N N Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes, 1.86% 313385ZV1 US313385ZV14 U.S. Government Agency Debt Y Fitch NR Moody's P-1 Standard & Poor's A-1+ 2018-07-26 2018-07-26 2018-07-26 N N N 0.0186 39886333.34 39886333.34 0.0107 N N Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes, 1.86% 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29877441.67 29877441.67 0.0080 N N N N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes, 1.63% 313385XS0 US313385XS03 U.S. Government Agency Debt Y Fitch NR Moody's P-1 Standard & Poor's A-1+ 2018-06-05 2018-06-05 2018-06-05 N N N 0.0163 59989027.77 59989027.77 0.0161 N N Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes, 1.70% 313385XR2 US313385XR20 U.S. Government Agency Debt Y Fitch NR Moody's P-1 Standard & Poor's A-1+ 2018-06-04 2018-06-04 2018-06-04 N N N 0.0170 84988166.67 84988166.67 0.0229 N N Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes, 1.65% 313385XN1 US313385XN16 U.S. Government Agency Debt Y Fitch NR Moody's P-1 Standard & Poor's A-1+ 2018-06-01 2018-06-01 2018-06-01 N N N 0.0165 86270000.00 86270000.00 0.0232 N Y Y N Federal Home Loan Bank Discount Notes Federal Home Loan Bank Discount Notes, 1.77% 313385A55 US313385A558 U.S. Government Agency Debt Y Fitch NR Moody's P-1 Standard 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U.S. Treasuries (including Strips) and cash Y N US Treasury 2018-07-31 0.750000 100.00 100.06 U.S. Treasuries (including strips) US Treasury 2020-01-31 2.000000 350000.00 350187.54 U.S. Treasuries (including strips) US Treasury 2019-06-30 1.625000 445000.00 444923.60 U.S. Treasuries (including strips) US Treasury 2018-10-31 1.750000 707000.00 707158.50 U.S. Treasuries (including strips) US Treasury 2018-09-30 1.375000 964000.00 964213.69 U.S. Treasuries (including strips) US Treasury 2020-03-31 2.250000 1688000.00 1689519.20 U.S. Treasuries (including strips) US Treasury 2018-08-15 1.000000 3679500.00 3682699.52 U.S. Treasuries (including strips) US Treasury 2044-11-15 3.000000 9531500.00 9528681.99 U.S. Treasuries (including strips) US Treasury 2045-05-15 3.000000 12549700.00 12547495.62 U.S. Treasuries (including strips) US Treasury 2021-02-15 2.250000 24894200.00 24886389.27 U.S. Treasuries (including strips) US Treasury 2021-03-15 2.375000 47153900.00 47198669.30 U.S. Treasuries (including strips) Y Fitch NR Moody's NR Standard & Poor's NR 2018-06-01 2018-06-01 2018-06-01 N N N 0.0177 100000000.00 100000000.00 0.0269 N Y Y N Morgan Stanley Institutional Liquidity Funds - Government Portfolio Morgan Stanley Institutional Liquidity Funds - Government Portfolio, 1.66% 61747C707 549300BI6Y5SI6BYPB26 US61747C7074 Investment Company Y Fitch NR Moody's Aaa-mf Standard & Poor's AAAm 2018-06-01 2018-06-01 2018-06-01 N N N 0.0166 84600000.00 84600000.00 0.0228 N Y Y N Royal Bank of Canada Repurchase Agreement Royal Bank of Canada Repurchase Agreement, 1.75% 0001000275 RP053118C U.S. Treasury Repurchase Agreement, if collateralized only by U.S. Treasuries (including Strips) and cash Y N US Treasury 2044-08-15 3.125000 98699600.00 102000038.28 U.S. Treasuries (including strips) Y Fitch NR Moody's NR Standard & Poor's NR 2018-06-01 2018-06-01 2018-06-01 N N N 0.0175 100000000.00 100000000.00 0.0269 N Y Y N STIT-Government & Agency Portfolio STIT-Government & Agency Portfolio, 1.65% 825252885 US8252527291 Investment Company Y Fitch NR Moody's Aaa Standard & Poor's AAAm 2018-06-07 2018-06-07 2018-06-07 N N N 0.0165 43600000.00 43600000.00 0.0117 N N Y N United States Treasury Bill United States Treasury Bill, 1.85% 912796NQ8 254900HROIFWPRGM1V77 US912796NQ82 U.S. Treasury Debt Y Fitch NR Moody's P-1 Standard & Poor's A-1+ 2018-08-16 2018-08-16 2018-08-16 N N N 0.0185 49805250.00 49805250.00 0.0134 N Y Y N United States Treasury Bill United States Treasury Bill, 1.67% 912796PN3 254900HROIFWPRGM1V77 US912796PN34 U.S. Treasury Debt Y Fitch NR Moody's P-1 Standard & Poor's A-1+ 2018-07-05 2018-07-05 2018-07-05 N N N 0.0167 49921138.89 49921138.89 0.0134 N Y Y N United States Treasury Bill United States Treasury Bill, 1.91% 912796QA0 254900HROIFWPRGM1V77 US912796QA04 U.S. Treasury Debt Y Fitch NR Moody's P-1 Standard & Poor's A-1+ 2018-09-27 2018-09-27 2018-09-27 N N N 0.0191 34781454.17 34781454.17 0.0094 N Y Y N United States Treasury Bill United States Treasury Bill, 1.55% 912796PQ6 254900HROIFWPRGM1V77 US912796PQ64 U.S. Treasury Debt Y Fitch NR Moody's P-1 Standard & Poor's A-1+ 2018-07-12 2018-07-12 2018-07-12 N N N 0.0155 39929388.89 39929388.89 0.0107 N Y Y N United States Treasury Bill United States Treasury Bill, 1.66% 912796PJ2 254900HROIFWPRGM1V77 US912796PJ22 U.S. Treasury Debt Y Fitch NR Moody's P-1 Standard & Poor's A-1+ 2018-06-07 2018-06-07 2018-06-07 N N N 0.0166 49986208.33 49986208.33 0.0134 N Y Y N United States Treasury Bill United States Treasury Bill, 1.67% 912796PM5 254900HROIFWPRGM1V77 US912796PM50 U.S. Treasury Debt Y Fitch NR Moody's P-1 Standard & Poor's A-1+ 2018-06-28 2018-06-28 2018-06-28 N N N 0.0167 49937562.50 49937562.50 0.0134 N Y Y N Principal Funds, Inc. 2018-06-01 /s/ Jennifer A. Block Jennifer A. Block Vice President, Counsel, and Assistant Secretary