N-MFP2 0000063068 XXXXXXXX 2019-08-31 0000063068 MQMNIX2D6ZVLO9HEKW73 S000002435 1 N N 002-54607 Massachusetts Financial Services Company 801-17352 Deloitte & Touche LLP Boston MA Massachusetts Financial Services Company MFS Service Center, Inc 0000769188 084-01316 N N N Exempt Government N 24 24 45813090.42 46847026.49 59915614.95 73964005.38 78835755.31 259840284.85 261930850.32 259237564.80 263805211.04 266257103.44 0.1555 0.1579 0.2015 0.2453 0.2593 0.8822 0.8829 0.8718 0.8749 0.8757 239.85 304027338.22 303985444.92 58723.22 549116.36 303495291.63 303495242.8500 1.0000 0.0211 1.0001 1.0001 1.0001 1.0001 1.0001 C000006517 1000.00 303495291.63 303495242.8500 1.0001 1.0001 1.0001 1.0001 1.0001 2342143.28 1886949.03 4157157.37 2113108.46 2968361.72 2423910.94 5878478.68 1801384.51 5197092.55 2663211.63 19092530.43 9405656.33 0.0153 Y During the period, MFS waived: $2,383 management fees. BOFA Securities BOFA Securities 2.130000% 549300HN4UKV1E2R3U73 0001102113 03199T002_2.13_0903 U.S. Treasury Repurchase Agreement, if collateralized only by U.S. Treasuries (including Strips) and cash Y N U.S. Treasury Bill 254900HROIFWPRGM1V77 2024-03-31 2.125000 17679000.00 18390384.97 U.S. Treasuries (including strips) Y 2019-09-03 2019-09-03 2019-09-03 N N N 0.0213 17852000.00 17852000.00 0.0588 N Y Y N Federal Farm Credit Bank Federal Farm Credit Bank 313312LF5 US313312LF59 U.S. Government Agency Debt Y 2019-09-03 2019-09-03 2019-09-03 N N N 0.0001 28500000.00 28500000.00 0.0939 N Y Y N Federal Farm Credit Bank Federal Farm Credit Bank 313312LH1 US313312LH16 U.S. Government Agency Debt Y 2019-09-05 2019-09-05 2019-09-05 N N N 0.0210 14778300.30 14778300.30 0.0487 N N Y N Federal Farm Credit Bank Federal Farm Credit Bank 313312LW8 US313312LW82 U.S. Government Agency Debt Y 2019-09-18 2019-09-18 2019-09-18 N N N 0.0210 11490081.25 11490081.25 0.0379 N N Y N Federal Farm Credit Bank Federal Farm Credit Bank 313312MR8 US313312MR88 U.S. Government Agency Debt Y 2019-10-07 2019-10-07 2019-10-07 N N N 0.0206 5589263.57 5589263.57 0.0184 N N Y N Federal Home Loan Bank Federal Home Loan Bank 313384LG2 2549001DPIFGXC1TOL40 US313384LG28 U.S. Government Agency Debt Y 2019-09-04 2019-09-04 2019-09-04 N N N 0.0210 5899660.75 5899660.75 0.0194 N N Y N Federal Home Loan Bank Federal Home Loan Bank 313384LN7 2549001DPIFGXC1TOL40 US313384LN78 U.S. Government Agency Debt Y 2019-09-10 2019-09-10 2019-09-10 N N N 0.0210 9635120.30 9635120.30 0.0317 N N Y N Federal Home Loan Bank Federal Home Loan Bank 313384LP2 2549001DPIFGXC1TOL40 US313384LP27 U.S. Government Agency Debt Y 2019-09-11 2019-09-11 2019-09-11 N N N 0.0210 17158103.64 17158103.64 0.0565 N N Y N Federal Home Loan Bank Federal Home Loan Bank 313384LW7 2549001DPIFGXC1TOL40 US313384LW77 U.S. Government Agency Debt Y 2019-09-18 2019-09-18 2019-09-18 N N N 0.0210 9452839.89 9452839.89 0.0311 N N Y N Federal Home Loan Bank Federal Home Loan Bank 313384LX5 2549001DPIFGXC1TOL40 US313384LX50 U.S. Government Agency Debt Y 2019-09-19 2019-09-19 2019-09-19 N N N 0.0210 7507087.12 7507087.12 0.0247 N N Y N Federal Home Loan Bank Federal Home Loan Bank 313384LY3 2549001DPIFGXC1TOL40 US313384LY34 U.S. Government Agency Debt Y 2019-09-20 2019-09-20 2019-09-20 N N N 0.0210 48955099.57 48955099.57 0.1613 N N Y N Federal Home Loan Bank Federal Home Loan Bank 313384ML0 2549001DPIFGXC1TOL40 US313384ML04 U.S. Government Agency Debt Y 2019-10-02 2019-10-02 2019-10-02 N N N 0.0206 11880540.17 11880540.17 0.0391 N N Y N Federal Home Loan Mortgage Corp. Federal Home Loan Mortgage Corp. 313396LG6 S6XOOCT0IEG5ABCC6L87 US313396LG65 U.S. Government Agency Debt Y 2019-09-04 2019-09-04 2019-09-04 N N N 0.0210 11929314.03 11929314.03 0.0393 N N Y N Federal Home Loan Mortgage Corp. Federal Home Loan Mortgage Corp. 313396PE7 S6XOOCT0IEG5ABCC6L87 US313396PE71 U.S. Government Agency Debt Y 2019-11-13 2019-11-13 2019-11-13 N N N 0.0201 17386186.32 17386186.32 0.0573 N N N N Federal Home Loan Mortgage Corp. Federal Home Loan Mortgage Corp. 313396PL1 S6XOOCT0IEG5ABCC6L87 US313396PL15 U.S. Government Agency Debt Y 2019-11-19 2019-11-19 2019-11-19 N N N 0.0201 11401754.17 11401754.17 0.0376 N N N N Federal Home Loan Mortgage Corp. Federal Home Loan Mortgage Corp. 313396QA4 S6XOOCT0IEG5ABCC6L87 US313396QA41 U.S. Government Agency Debt Y 2019-12-03 2019-12-03 2019-12-03 N N N 0.0198 5970576.66 5970576.66 0.0197 N N N N Federal Home Loan Mortgage Corp. Federal Home Loan Mortgage Corp. 313396QB2 S6XOOCT0IEG5ABCC6L87 US313396QB24 U.S. Government Agency Debt Y 2019-12-04 2019-12-04 2019-12-04 N N N 0.0198 2985126.66 2985126.66 0.0098 N N N N Federal National Mortgage Assoc. Federal National Mortgage Assoc. 313588LM5 B1V7KEBTPIMZEU4LTD58 US313588LM57 U.S. Government Agency Debt Y 2019-09-09 2019-09-09 2019-09-09 N N N 0.0210 11795929.00 11795929.00 0.0389 N N Y N Federal National Mortgage Assoc. Federal National Mortgage Assoc. 313588LW3 B1V7KEBTPIMZEU4LTD58 US313588LW30 U.S. Government Agency Debt Y 2019-09-18 2019-09-18 2019-09-18 N N N 0.0210 5798994.05 5798994.05 0.0191 N N Y N Federal National Mortgage Assoc. Federal National Mortgage Assoc. 313588MC6 B1V7KEBTPIMZEU4LTD58 US313588MC66 U.S. Government Agency Debt Y 2019-09-24 2019-09-24 2019-09-24 N N N 0.0205 15570176.28 15570176.28 0.0513 N N Y N U.S. Treasury Bill U.S. Treasury Bill 912796RF8 254900HROIFWPRGM1V77 US912796RF81 U.S. Treasury Debt Y 2019-10-10 2019-10-10 2019-10-10 N N N 0.0203 14819474.93 14819474.93 0.0488 N Y Y N U.S. Treasury Bill U.S. Treasury Bill 912796VX4 254900HROIFWPRGM1V77 US912796VX42 U.S. Treasury Debt Y 2019-10-01 2019-10-01 2019-10-01 N N N 0.0209 17671709.56 17671709.56 0.0582 N Y Y N MFS SERIES TRUST IV 2019-09-09 /s/Kasey L. Phillips Kasey L. Phillips Assistant Treasurer