N-MFP1 0000320281 XXXXXXXX 2016-06-30 0000320281 S000002959 1 N N 002-69877 BlackRock Advisors, LLC 801-47710 DELOITTE & TOUCHE LLP Boston MA State Street FINANCIAL DATA SERVICES, INC. 0000774455 084-01339 Y 0001186243 Master Tax-Exempt LLC S000002958 N N Other Tax Exempt N 1 1 956072811.96 905746813.90 967682732.82 1045211031.10 2587329545.54 2496347151.20 2488328922.55 2486242600.35 0.00 0.3577 0.3508 0.3840 0.4200 0.9680 0.9669 0.9876 0.9991 0.0000 0.00 2165158165.89 0.00 15042081.18 821506.57 2179378740.50 2178901555.9700 1.0000 0.0045 1.0002 1.0002 1.0002 1.0002 0.0000 C000008095 1.00 2179378740.50 2178901555.9700 1.0002 1.0002 1.0002 1.0002 0.0000 160209517.47 132148290.20 123372073.93 216583811.49 209919169.48 232376285.32 99970140.20 128394619.05 0.00 0.00 703194719.53 831369481.18 0.0000 Y BlackRock Investments, LLC: 12b-1 Fee Minimum Yield - $229,842, BlackRock Advisors, LLC: Admin Fee Minimum Yield- $120,683 Master Tax-Exempt LLC Master Tax-Exempt LLC 0.000000% 0001186243 Investment Company First Tier Security N/A N/A 2016-07-01 2016-07-01 2016-07-01 N N N 0.0000 2165158165.89 2165158165.89 0.9935 N Y Y N BIF TAX-EXEMPT FUND 2016-07-08 /s/ Neal J. Andrews Neal J. Andrews Chief Financial Officer