N-MFP2 0000898745 XXXXXXXX 2022-05-31 0000898745 549300WWK3YB7DNN4U34 S000060089 1 N N 033-59474 Principal Global Investors, LLC 801-55959 Ernst & Young LLP Minneapolis MN Principal Global Investors, LLC Principal Shareholder Services Inc 0001020337 084-05657 N N N Exempt Government Government/Agency N 23 23 1569293932.44 1287599902.99 1444958198.42 1414129718.73 3739138841.58 3411234728.71 3549941559.34 3394153759.66 0.3590 0.3375 0.3517 0.3605 0.8553 0.8941 0.8640 0.8652 9385.18 4036763367.33 4036763367.33 206394.60 1981258.02 4034997889.09 4034934955.43 1.0000 0.0069 0.9999 0.9998 0.9999 0.9999 C000196721 0.01 4034997889.09 4034934955.43 0.9999 0.9998 0.9999 0.9999 823199902.38 1097415379.17 461602600.20 1018703458.66 1233877510.76 940652580.62 875087178.35 1061326992.22 3665216155.99 4275896041.75 0.0055 Y Principal Global Investors, LLC, Total Operating Expense Limit, 16861.46; Principal Global Investors, LLC, Management Fee Reduction, 38851.89; Bank of New York Mellon Repurchase 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0.31% 912796Q44 254900HROIFWPRGM1V77 US912796Q441 U.S. Treasury Debt Y Fitch NR Moody's P-1 Standard & Poor's A-1+ 2022-06-02 2022-06-02 2022-06-02 N N N 0.0031 49999569.44 49999569.44 0.0124 N Y Y N United States Treasury Bill United States Treasury Bill, 0.34% 912796R35 254900HROIFWPRGM1V77 US912796R357 U.S. Treasury Debt Y Fitch NR Moody's P-1 Standard & Poor's A-1+ 2022-06-09 2022-06-09 2022-06-09 N N N 0.0034 59995466.67 59995466.67 0.0149 N Y Y N Principal Funds, Inc. 2022-06-02 /s/ Megan Hoffmann Megan Hoffmann Vice President and Controller