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N Freddie Mac Discount Notes Freddie Mac Discount Notes, 2% 313397J28 US313397J281 U.S. Government Agency Debt Y Fitch F1+ Moody's P-1 Standard & Poor's A-1+ 2018-10-03 2018-10-03 2018-10-03 N N N 0.0200 29996666.67 29996666.67 0.0076 N N Y N Freddie Mac Discount Notes Freddie Mac Discount Notes, 1.95% 313397J85 US313397J851 U.S. Government Agency Debt Y Fitch F1+ Moody's P-1 Standard & Poor's A-1+ 2018-10-09 2018-10-09 2018-10-09 N N N 0.0195 39982684.44 39982684.44 0.0101 N N Y N Freddie Mac Discount Notes Freddie Mac Discount Notes, 1.96% 313397K26 US313397K263 U.S. Government Agency Debt Y Fitch F1+ Moody's P-1 Standard & Poor's A-1+ 2018-10-11 2018-10-11 2018-10-11 N N N 0.0196 29983666.67 29983666.67 0.0076 N N Y N Freddie Mac Discount Notes Freddie Mac Discount Notes, 2% 313397N31 US313397N317 U.S. Government Agency Debt Y Fitch F1+ Moody's P-1 Standard & Poor's A-1+ 2018-11-05 2018-11-05 2018-11-05 N N N 0.0200 19961111.11 19961111.11 0.0051 N N Y N Freddie Mac Discount Notes Freddie Mac Discount Notes, 1.96% 313397K91 US313397K917 U.S. Government Agency Debt Y Fitch F1+ Moody's P-1 Standard & Poor's A-1+ 2018-10-18 2018-10-18 2018-10-18 N N N 0.0196 56897384.05 56897384.05 0.0144 N N Y N Freddie Mac Discount Notes Freddie Mac Discount Notes, 2% 313397M57 US313397M574 U.S. Government Agency Debt Y Fitch F1+ Moody's P-1 Standard & Poor's A-1+ 2018-10-30 2018-10-30 2018-10-30 N N N 0.0200 9484694.44 9484694.44 0.0024 N N Y N Goldman Sachs Financial Square Funds - Government Fund Goldman Sachs Financial Square Funds - Government Fund, 2.02% 38141W273 US38141W2733 Investment Company Y Fitch F1 Moody's Aaa Standard & Poor's AAAm 2018-10-01 2018-10-01 2018-10-01 N N N 0.0202 86900000.00 86900000.00 0.0220 N Y Y N Goldman Sachs Repurchase Agreement Goldman Sachs Repurchase Agreement, 2.21% 0000769993 RP092818J 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 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(including strips) US Treasury 2024-05-15 0.000000 163.84 138.34 U.S. Treasuries (including strips) US Treasury 2025-11-15 0.000000 655.36 527.04 U.S. Treasuries (including strips) US Treasury 2029-11-15 0.000000 81.92 57.72 U.S. Treasuries (including strips) US Treasury 2037-11-15 0.000000 40.96 22.20 U.S. Treasuries (including strips) US Treasury 2045-05-15 0.000000 80.00 34.04 U.S. Treasuries (including strips) US Treasury 2041-11-15 0.000000 81.92 38.94 U.S. Treasuries (including strips) US Treasury 2048-05-15 0.000000 240.00 93.36 U.S. Treasuries (including strips) Y Fitch NR Moody's NR Standard & Poor's NR 2018-10-01 2018-10-01 2018-10-01 N N N 0.0221 100000000.00 100000000.00 0.0253 N Y Y N Merrill Lynch Repurchase Agreement Merrill Lynch Repurchase Agreement, 2.2% 0000065100 RP092818L U.S. Government Agency Repurchase Agreement, collateralized only by U.S. Government Agency securities, U.S. Treasuries, and cash Y N US Treasury 2020-06-15 1.500000 31852600.00 31297832.14 U.S. Treasuries (including strips) Resolution Funding Corp Interest Strip 2021-01-15 8.625000 1000000.00 1141909.58 Agency Debentures and Agency Strips US Treasury 2044-08-15 3.125000 47885000.00 47560646.79 U.S. Treasuries (including strips) Resolution Funding Corp Interest Strip 2024-01-15 0.000000 82000.00 69386.76 Agency Debentures and Agency Strips Resolution Funding Corp Interest Strip 2022-07-15 0.000000 71000.00 63224.08 Agency Debentures and Agency Strips US Treasury 2020-04-30 2.375000 21793500.00 21867058.39 U.S. Treasuries (including strips) Y Fitch NR Moody's NR Standard & Poor's NR 2018-10-01 2018-10-01 2018-10-01 N N N 0.0220 100000000.00 100000000.00 0.0253 N Y Y N Mizuho Securities Repurchase Agreement Mizuho Securities Repurchase Agreement, 2.18% 0000812291 RP092818Z U.S. Treasury Repurchase Agreement, if collateralized only by U.S. Treasuries (including Strips) and cash Y N Ginnie Mae 2048-09-20 4.000000 99962759.00 102000000.03 Agency Mortgage-Backed Securities Y Fitch NR Moody's NR Standard & Poor's NR 2018-10-01 2018-10-01 2018-10-01 N N N 0.0218 100000000.00 100000000.00 0.0253 N Y Y N Morgan Stanley Institutional Liquidity Funds - Government Portfolio Morgan Stanley Institutional Liquidity Funds - Government Portfolio, 2.01% 61747C707 549300BI6Y5SI6BYPB26 US61747C7074 Investment Company Y Fitch F1+ Moody's Aaa-mf Standard & Poor's AAAm 2018-10-01 2018-10-01 2018-10-01 N N N 0.0201 82500000.00 82500000.00 0.0209 N Y Y N Royal Bank of Canada Repurchase Agreement Royal Bank of Canada Repurchase Agreement, 2.18% 0001000275 RP092818C U.S. Treasury Repurchase Agreement, if collateralized only by U.S. Treasuries (including Strips) and cash Y N US Treasury 2029-04-15 3.875000 15928800.00 31950927.52 U.S. Treasuries (including strips) US Treasury 2044-08-15 3.125000 13126500.00 13044281.03 U.S. Treasuries (including strips) US Treasury 2021-04-15 0.125000 6305800.00 6573489.69 U.S. Treasuries (including strips) US Treasury 2023-05-31 2.750000 41835400.00 41885786.28 U.S. Treasuries (including strips) US Treasury 2039-11-15 4.375000 7088600.00 8545615.50 U.S. Treasuries (including strips) Y Fitch NR Moody's NR Standard & Poor's NR 2018-10-01 2018-10-01 2018-10-01 N N N 0.0218 100000000.00 100000000.00 0.0253 N Y Y N STIT-Government & Agency Portfolio STIT-Government & Agency Portfolio, 1.97% 825252885 US8252527291 Investment Company Y Fitch F1 Moody's Aaa Standard & Poor's AAAm 2018-10-05 2018-10-05 2018-10-05 N N N 0.0197 78050000.00 78050000.00 0.0198 N N Y N United States Treasury Bill United States Treasury Bill, 1.94% 912796QB8 254900HROIFWPRGM1V77 US912796QB86 U.S. Treasury Debt Y Fitch NR Moody's P-1 Standard & Poor's A-1+ 2018-10-04 2018-10-04 2018-10-04 N N N 0.0194 39993533.33 39993533.33 0.0101 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 39791683.33 39791683.33 0.0101 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 49805666.66 49805666.66 0.0126 N Y Y N United States Treasury Bill United States Treasury Bill, 2.06% 912796PD5 254900HROIFWPRGM1V77 US912796PD51 U.S. Treasury Debt Y Fitch NR Moody's P-1 Standard & Poor's A-1+ 2018-11-08 2018-11-08 2018-11-08 N N N 0.0206 49891277.78 49891277.78 0.0126 N Y Y N Principal Funds, Inc. 2018-10-02 /s/ Jennifer A. Block Jennifer A. Block Vice President, Counsel, and Assistant Secretary