N-MFP3 0000889512 XXXXXXXX 2026-08-31 Legg Mason Partners Institutional Trust 0000889512 54930003LJE4ZPPMRV82 Western Asset Premier Institutional Government Reserves 549300WB3XRN9YTWFB76 S000066839 2 N N 033-49552 Franklin Templeton Fund Adviser LLC 801-66785 Western Asset Management Company 801-08162 PricewaterhouseCoopers LLP Baltimore MD BNY Mellon Investment Servicing (US) Inc. 0000849542 084-01761 Y 0001140869 Government Portfolio S000025611 N N Government N N 6 6 18871053450.63 21209452952.54 0.2500 0.5000 2026-08-03 17479950070.05 19818555775.77 0.2500 0.5000 2026-08-04 18445310175.32 20854122084.83 0.2500 0.5000 2026-08-05 17843294399.47 19929652512.77 0.2500 0.5000 2026-08-06 18391379169.37 20403908690.96 0.2500 0.5000 2026-08-07 19510854753.29 21553582968.41 0.2500 0.5000 2026-08-10 19003918725.68 21056845634.35 0.2500 0.5000 2026-08-11 18959644886.37 21156954601.70 0.2500 0.5000 2026-08-12 19956229447.11 22153752690.28 0.2500 0.5000 2026-08-13 20455416500.13 22977813720.38 0.2500 0.5000 2026-08-14 20358352162.54 23006367820.94 0.2500 0.5000 2026-08-17 19880034704.12 22290298668.84 0.2500 0.5000 2026-08-18 19276048935.56 21550226220.82 0.2500 0.5000 2026-08-19 20240373393.15 22013754180.22 0.2500 0.5000 2026-08-20 20053468190.65 21834391965.11 0.2500 0.5000 2026-08-21 20439263010.27 22220367763.56 0.2500 0.5000 2026-08-24 19356642748.42 21099781480.53 0.2500 0.5000 2026-08-25 19339921295.17 20881062943.28 0.2500 0.5000 2026-08-26 18581098641.83 20115397317.60 0.2500 0.5000 2026-08-27 18422972165.59 20037741946.21 0.2500 0.5000 2026-08-28 19796520301.47 21322366908.69 0.2500 0.5000 2026-08-31 0.00 7055609792.27 0.00 6765.31 21026791.63 7034589765.95 7034869303.8100 Y 1.0000 0.0373 2026-08-03 0.0373 2026-08-04 0.0373 2026-08-05 0.0373 2026-08-06 0.0372 2026-08-07 0.0372 2026-08-10 0.0372 2026-08-11 0.0372 2026-08-12 0.0372 2026-08-13 0.0372 2026-08-14 0.0372 2026-08-17 0.0372 2026-08-18 0.0373 2026-08-19 0.0373 2026-08-20 0.0373 2026-08-21 0.0373 2026-08-24 0.0373 2026-08-25 0.0373 2026-08-26 0.0373 2026-08-27 0.0374 2026-08-28 0.0374 2026-08-31 1.0000 2026-08-03 1.0000 2026-08-04 1.0000 2026-08-05 1.0000 2026-08-06 1.0000 2026-08-07 1.0000 2026-08-10 1.0000 2026-08-11 1.0000 2026-08-12 1.0000 2026-08-13 1.0000 2026-08-14 1.0000 2026-08-17 1.0000 2026-08-18 1.0000 2026-08-19 1.0000 2026-08-20 1.0000 2026-08-21 1.0000 2026-08-24 1.0000 2026-08-25 1.0000 2026-08-26 1.0000 2026-08-27 1.0000 2026-08-28 1.0000 2026-08-31 N N PC C000215193 1.00 5291392419.76 5291477488.3400 1.0000 2026-08-03 1.0000 2026-08-04 1.0000 2026-08-05 1.0000 2026-08-06 1.0000 2026-08-07 1.0000 2026-08-10 1.0000 2026-08-11 1.0000 2026-08-12 1.0000 2026-08-13 1.0000 2026-08-14 1.0000 2026-08-17 1.0000 2026-08-18 1.0000 2026-08-19 1.0000 2026-08-20 1.0000 2026-08-21 1.0000 2026-08-24 1.0000 2026-08-25 1.0000 2026-08-26 1.0000 2026-08-27 1.0000 2026-08-28 1.0000 2026-08-31 151357972.37 92325243.93 2026-08-03 9580132.72 329826609.54 2026-08-04 38300000.00 358434989.72 2026-08-05 1195324.22 169804000.00 2026-08-06 510992080.45 27392867.61 2026-08-07 300000000.00 54334280.87 2026-08-10 96375000.00 34292523.84 2026-08-11 77394356.19 185175431.29 2026-08-12 103250000.00 34163593.53 2026-08-13 172106191.07 189041840.45 2026-08-14 304780056.50 140150076.02 2026-08-17 1000000.00 294350936.31 2026-08-18 81750000.00 169646752.53 2026-08-19 494885000.00 159310060.56 2026-08-20 7044670.93 132509317.35 2026-08-21 85036000.00 157152701.53 2026-08-24 12163268.11 327164041.37 2026-08-25 74899982.56 319699000.00 2026-08-26 55031509.62 108078739.56 2026-08-27 339189228.72 263588000.00 2026-08-28 1005558000.00 184736409.61 2026-08-31 3921888773.46 3731177415.62 0.0360 2026-08-03 0.0360 2026-08-04 0.0360 2026-08-05 0.0360 2026-08-06 0.0359 2026-08-07 0.0359 2026-08-10 0.0359 2026-08-11 0.0359 2026-08-12 0.0359 2026-08-13 0.0359 2026-08-14 0.0359 2026-08-17 0.0359 2026-08-18 0.0360 2026-08-19 0.0360 2026-08-20 0.0360 2026-08-21 0.0360 2026-08-24 0.0360 2026-08-25 0.0360 2026-08-26 0.0360 2026-08-27 0.0361 2026-08-28 0.0361 2026-08-31 Y 818462.67 Retail investor 0.0786 0.00 State or municipal government entity (excluding governmental pension plans) 0.0546 0.00 Depository institution or other banking institution 0.0856 0.00 Non-financial corporation 0.213 0.00 Retail investor 0.1084 0.00 Insurance company 0.0908 0.00 N CC C000215194 200000000.00 1743197346.19 1743391815.4700 0.9999 2026-08-03 0.9999 2026-08-04 0.9999 2026-08-05 0.9999 2026-08-06 0.9999 2026-08-07 0.9999 2026-08-10 0.9999 2026-08-11 0.9999 2026-08-12 0.9999 2026-08-13 0.9999 2026-08-14 0.9999 2026-08-17 0.9999 2026-08-18 0.9999 2026-08-19 0.9999 2026-08-20 0.9999 2026-08-21 0.9999 2026-08-24 0.9999 2026-08-25 0.9999 2026-08-26 0.9999 2026-08-27 0.9999 2026-08-28 0.9999 2026-08-31 1938146.57 115300000.00 2026-08-03 20900000.00 80400000.00 2026-08-04 10000000.00 7500000.00 2026-08-05 0.00 169985.13 2026-08-06 0.00 46500000.00 2026-08-07 527500000.00 5500000.00 2026-08-10 3700000.00 500000000.00 2026-08-11 0.00 74100000.00 2026-08-12 0.00 0.00 2026-08-13 29100000.00 0.00 2026-08-14 3500000.00 13500000.00 2026-08-17 2100000.00 0.00 2026-08-18 0.00 28400000.00 2026-08-19 13100000.00 8429106.31 2026-08-20 9900000.00 0.00 2026-08-21 0.00 41100000.00 2026-08-24 2300000.00 0.00 2026-08-25 0.00 10800000.00 2026-08-26 2100000.00 0.00 2026-08-27 0.00 1000000.00 2026-08-28 8000000.00 0.00 2026-08-31 634138146.57 932699091.44 0.0362 2026-08-03 0.0362 2026-08-04 0.0362 2026-08-05 0.0362 2026-08-06 0.0361 2026-08-07 0.0361 2026-08-10 0.0361 2026-08-11 0.0361 2026-08-12 0.0361 2026-08-13 0.0361 2026-08-14 0.0361 2026-08-17 0.0361 2026-08-18 0.0362 2026-08-19 0.0362 2026-08-20 0.0362 2026-08-21 0.0362 2026-08-24 0.0362 2026-08-25 0.0362 2026-08-26 0.0362 2026-08-27 0.0363 2026-08-28 0.0363 2026-08-31 Y 335683.34 Non-financial corporation 0.0718 0.00 State or municipal government entity (excluding governmental pension plans) 0.0859 0.00 State or municipal government entity (excluding governmental pension plans) 0.1074 0.00 State or municipal government entity (excluding governmental pension plans) 0.2579 0.00 Non-financial corporation 0.4591 0.00 N Government Portfolio Government Portfolio NA N/A LMGOVERNMENT Investment Company Y Fitch, Inc. NR Moody's Investors Service, Inc. NR Standard and Poor's Ratings Services NR 2026-09-01 2026-09-01 2026-09-01 N N N 0.0000 7055609792.27 7055609792.27 1.0000 N Y Y N Legg Mason Partners Institutional Trust 2026-09-08 /s/Christopher Berarducci Christopher Berarducci Principal Financial Officer