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P-1 Standard and Poor's Ratings Services A-1+ 2027-03-31 2027-03-31 2027-03-31 N N N 0.0403 85303717.61 85303717.61 0.0044 N Y Y N UNITED STATES TREASURY NOTE/BOND UNITED STATES TREASURY NOTE/BOND 2.750000% 91282CEN7 254900HROIFWPRGM1V77 US91282CEN74 91282CEN7 U.S. Treasury Debt Y Fitch, Inc. F1+ Moody's Investors Service, Inc. P-1 Standard and Poor's Ratings Services A-1+ 2027-04-30 2027-04-30 2027-04-30 N N N 0.0410 36178600.35 36178600.35 0.0019 N Y Y N UNITED STATES TREASURY NOTE/BOND UNITED STATES TREASURY NOTE/BOND 2.625000% 91282CET4 254900HROIFWPRGM1V77 US91282CET45 91282CET4 U.S. Treasury Debt Y Fitch, Inc. F1+ Moody's Investors Service, Inc. P-1 Standard and Poor's Ratings Services A-1+ 2027-05-31 2027-05-31 2027-05-31 N N N 0.0379 148351171.50 148351171.50 0.0076 N Y Y N UNITED STATES TREASURY NOTE/BOND UNITED STATES TREASURY NOTE/BOND 4.625000% 91282CJC6 254900HROIFWPRGM1V77 US91282CJC64 91282CJC6 U.S. Treasury Debt Y Fitch, Inc. F1+ Moody's Investors Service, Inc. P-1 Standard and Poor's Ratings Services A-1+ 2026-10-15 2026-10-15 2026-10-15 N N N 0.0384 100093750.00 100093750.00 0.0051 N Y Y N UNITED STATES TREASURY NOTE/BOND UNITED STATES TREASURY NOTE/BOND 4.250000% 91282CKE0 254900HROIFWPRGM1V77 US91282CKE02 91282CKE0 U.S. Treasury Debt Y Fitch, Inc. F1+ Moody's Investors Service, Inc. P-1 Standard and Poor's Ratings Services A-1+ 2027-03-15 2027-03-15 2027-03-15 N N N 0.0353 63753666.14 63753666.14 0.0033 N Y Y N UNITED STATES TREASURY NOTE/BOND UNITED STATES TREASURY NOTE/BOND 4.500000% 91282CKJ9 254900HROIFWPRGM1V77 US91282CKJ98 91282CKJ9 U.S. Treasury Debt Y Fitch, Inc. F1+ Moody's Investors Service, Inc. P-1 Standard and Poor's Ratings Services A-1+ 2027-04-15 2027-04-15 2027-04-15 N N N 0.0405 82218004.38 82218004.38 0.0042 N Y Y N UNITED STATES TREASURY NOTE/BOND UNITED STATES TREASURY NOTE/BOND 3.500000% 91282CLP4 254900HROIFWPRGM1V77 US91282CLP40 U.S. Treasury Debt Y Fitch, Inc. F1+ Moody's Investors Service, Inc. P-1 Standard and Poor's Ratings Services A-1+ 2026-09-30 2026-09-30 2026-09-30 N N N 0.0371 99959961.00 99959961.00 0.0051 N Y Y N UNITED STATES TREASURY FLOATING RATE NOTE UNITED STATES TREASURY FLOATING RATE NOTE 3.956000% 91282CLT6 254900HROIFWPRGM1V77 US91282CLT61 U.S. Treasury Debt Y Fitch, Inc. F1+ Moody's Investors Service, Inc. P-1 Standard and Poor's Ratings Services A-1+ 2026-09-01 2026-10-31 2026-10-31 N N N 0.0389 552610759.68 552610759.68 0.0283 N Y Y N UNITED STATES TREASURY NOTE/BOND UNITED STATES TREASURY NOTE/BOND 4.250000% 91282CLY5 254900HROIFWPRGM1V77 US91282CLY56 U.S. Treasury Debt Y Fitch, Inc. F1+ Moody's Investors Service, Inc. P-1 Standard and Poor's Ratings Services A-1+ 2026-11-30 2026-11-30 2026-11-30 N N N 0.0358 104588988.02 104588988.02 0.0054 N Y Y N UNITED STATES TREASURY NOTE/BOND UNITED STATES TREASURY NOTE/BOND 4.250000% 91282CME8 254900HROIFWPRGM1V77 US91282CME83 91282CME8 U.S. Treasury Debt Y Fitch, Inc. F1+ Moody's Investors Service, Inc. P-1 Standard and Poor's Ratings Services A-1+ 2026-12-31 2026-12-31 2026-12-31 N N N 0.0355 92095833.64 92095833.64 0.0047 N Y Y N UNITED STATES TREASURY NOTE/BOND UNITED STATES TREASURY NOTE/BOND 4.125000% 91282CMH1 254900HROIFWPRGM1V77 US91282CMH15 91282CMH1 U.S. Treasury Debt Y Fitch, Inc. F1+ Moody's Investors Service, Inc. P-1 Standard and Poor's Ratings Services A-1+ 2027-01-31 2027-01-31 2027-01-31 N N N 0.0403 55029003.70 55029003.70 0.0028 N Y Y N UNITED STATES TREASURY FLOATING RATE NOTE UNITED STATES TREASURY FLOATING RATE NOTE 3.849000% 91282CMJ7 254900HROIFWPRGM1V77 US91282CMJ70 91282CMJ7 U.S. Treasury Debt Y Fitch, Inc. F1+ Moody's Investors Service, Inc. P-1 Standard and Poor's Ratings Services A-1+ 2026-09-01 2027-01-31 2027-01-31 N N N 0.0376 363110435.49 363110435.49 0.0186 N Y Y N UNITED STATES TREASURY NOTE/BOND UNITED STATES TREASURY NOTE/BOND 4.125000% 91282CMP3 254900HROIFWPRGM1V77 US91282CMP31 91282CMP3 U.S. Treasury Debt Y Fitch, Inc. F1+ Moody's Investors Service, Inc. P-1 Standard and Poor's Ratings Services A-1+ 2027-02-28 2027-02-28 2027-02-28 N N N 0.0356 34019496.96 34019496.96 0.0017 N Y Y N UNITED STATES TREASURY NOTE/BOND UNITED STATES TREASURY NOTE/BOND 3.875000% 91282CMV0 254900HROIFWPRGM1V77 US91282CMV09 91282CMV0 U.S. Treasury Debt Y Fitch, Inc. F1+ Moody's Investors Service, Inc. P-1 Standard and Poor's Ratings Services A-1+ 2027-03-31 2027-03-31 2027-03-31 N N N 0.0364 154465630.96 154465630.96 0.0079 N Y Y N UNITED STATES TREASURY FLOATING RATE NOTE UNITED STATES TREASURY FLOATING RATE NOTE 3.911000% 91282CMX6 254900HROIFWPRGM1V77 US91282CMX64 U.S. Treasury Debt Y Fitch, Inc. F1+ Moody's Investors Service, Inc. P-1 Standard and Poor's Ratings Services A-1+ 2026-09-01 2027-04-30 2027-04-30 N N N 0.0376 717357249.74 717357249.74 0.0367 N Y Y N UNITED STATES TREASURY NOTE/BOND UNITED STATES TREASURY NOTE/BOND 3.750000% 91282CMY4 254900HROIFWPRGM1V77 US91282CMY48 91282CMY4 U.S. Treasury Debt Y Fitch, Inc. F1+ Moody's Investors Service, Inc. P-1 Standard and Poor's Ratings Services A-1+ 2027-04-30 2027-04-30 2027-04-30 N N N 0.0376 131296702.80 131296702.80 0.0067 N Y Y N UNITED STATES TREASURY FLOATING RATE NOTE UNITED STATES TREASURY FLOATING RATE NOTE 3.910000% 91282CNQ0 254900HROIFWPRGM1V77 US91282CNQ05 U.S. Treasury Debt Y Fitch, Inc. F1+ Moody's Investors Service, Inc. P-1 Standard and Poor's Ratings Services A-1+ 2026-09-01 2027-07-31 2027-07-31 N N N 0.0375 669941175.96 669941175.96 0.0343 N Y Y N UNITED STATES TREASURY FLOATING RATE NOTE UNITED STATES TREASURY FLOATING RATE NOTE 3.941000% 91282CPG0 254900HROIFWPRGM1V77 US91282CPG05 U.S. Treasury Debt Y Fitch, Inc. F1+ Moody's Investors Service, Inc. P-1 Standard and Poor's Ratings Services A-1+ 2026-09-01 2027-10-31 2027-10-31 N N N 0.0377 969546323.22 969546323.22 0.0496 N Y Y N UNITED STATES TREASURY FLOATING RATE NOTE UNITED STATES TREASURY FLOATING RATE NOTE 3.850000% 91282CPX3 254900HROIFWPRGM1V77 US91282CPX38 U.S. Treasury Debt Y Fitch, Inc. F1+ Moody's Investors Service, Inc. P-1 Standard and Poor's Ratings Services A-1+ 2026-09-01 2028-01-31 2028-01-31 N N N 0.0378 150134457.00 150134457.00 0.0077 N Y Y N UNITED STATES TREASURY FLOATING RATE NOTE UNITED STATES TREASURY FLOATING RATE NOTE 3.854000% 91282CQM6 254900HROIFWPRGM1V77 US91282CQM63 U.S. Treasury Debt Y Fitch, Inc. F1+ Moody's Investors Service, Inc. P-1 Standard and Poor's Ratings Services A-1+ 2026-09-01 2028-04-30 2028-04-30 N N N 0.0381 225169006.50 225169006.50 0.0115 N Y Y N Master Portfolio Trust 2026-09-08 /s/Christopher Berarducci Christopher Berarducci Principal Financial Officer