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748863.54 U.S. Treasuries (including strips) US Treasury 2043-02-15 3.125000 29654300.00 30338724.52 U.S. Treasuries (including strips) US Treasury 2021-04-15 0.125000 18317500.00 19030250.65 U.S. Treasuries (including strips) Y Fitch NR Moody's NR Standard & Poor's NR 2018-08-01 2018-08-01 2018-08-01 N N N 0.0189 100000000.00 100000000.00 0.0311 N Y Y N STIT-Government & Agency Portfolio STIT-Government & Agency Portfolio, 1.81% 825252885 US8252527291 Investment Company Y Fitch NR Moody's Aaa Standard & Poor's AAAm 2018-08-07 2018-08-07 2018-08-07 N N N 0.0181 80400000.00 80400000.00 0.0250 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 49961562.50 49961562.50 0.0156 N Y Y N United States Treasury Bill United States Treasury Bill, 1.90% 912796PZ6 254900HROIFWPRGM1V77 US912796PZ63 U.S. Treasury Debt Y Fitch NR Moody's P-1 Standard & Poor's A-1+ 2018-09-20 2018-09-20 2018-09-20 N N N 0.0190 49868055.55 49868055.55 0.0155 N Y Y N United States Treasury Bill United States Treasury Bill, 1.84% 912796PS2 254900HROIFWPRGM1V77 US912796PS21 U.S. Treasury Debt Y Fitch NR Moody's P-1 Standard & Poor's A-1+ 2018-08-02 2018-08-02 2018-08-02 N N N 0.0184 29998466.67 29998466.67 0.0093 N Y 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 39862044.44 39862044.44 0.0124 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 34894431.25 34894431.25 0.0109 N Y Y N United States Treasury Bill United States Treasury Bill, 1.88% 912796PY9 254900HROIFWPRGM1V77 US912796PY98 U.S. Treasury Debt Y Fitch NR Moody's P-1 Standard & Poor's A-1+ 2018-09-06 2018-09-06 2018-09-06 N N N 0.0188 49906250.00 49906250.00 0.0155 N Y Y N United States Treasury Bill United States Treasury Bill, 1.88% 912796PW3 254900HROIFWPRGM1V77 US912796PW33 U.S. Treasury Debt Y Fitch NR Moody's P-1 Standard & Poor's A-1+ 2018-08-30 2018-08-30 2018-08-30 N N N 0.0188 39939422.22 39939422.22 0.0124 N Y Y N Principal Funds, Inc. 2018-08-06 /s/ Jennifer A. Block Jennifer A. Block Vice President, Counsel, and Assistant Secretary