EX-99 2 amac2003_4.htm EXHIBIT


WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: AMAC.034
Distribution Date: 05/25/2004
 
Class Cusip Orig Prin Bal Begin Prin Bal Int Rate Accrued Int Rate Paid Int Dist Prin Dist Int Shortfall Prin Loss Deferred Interest Int Reimbursed Unscheduled Int Prin Reimbursed Subsequent Recoveries Total Dist Ending Class Bal
A1 000780BW5 $102,599,000.00 $48,020,715.57 3.6250000000% 3.6250000000% $145,062.58 $18,078,899.25 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $18,223,961.83 $29,941,816.32
A2 000780BX3 $40,270,840.00 $21,664,607.58 5.5000000000% 5.5000000000% $99,296.12 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $99,296.12 $15,501,346.47
A3 000780BY1 $23,554,000.00 $23,554,000.00 5.5000000000% 5.5000000000% $107,955.83 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $107,955.83 $23,554,000.00
A4 000780BZ8 $34,804,000.00 $34,804,000.00 5.5000000000% 5.5000000000% $159,518.33 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $159,518.33 $34,804,000.00
A5 000780CA2 $38,822,000.00 $38,822,000.00 4.7500000000% 4.7500000000% $153,670.42 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $153,670.42 $38,822,000.00
A6 000780CB0 $31,239,000.00 $0.00 0.0000000000% 0.0000000000% $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00
A7 000780CC8 $3,970,000.00 $0.00 0.0000000000% 0.0000000000% $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00
A8 000780CD6 $5,878,000.00 $0.00 0.0000000000% 0.0000000000% $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00
A9 000780CE4 $16,749,000.00 $0.00 0.0000000000% 0.0000000000% $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00
A10 000780CF1 $8,500,000.00 $0.01 5.5000000000% 0.0000000000% $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.01
A11 000780CG9 $4,250,000.00 $0.00 0.0000000000% 0.0000000000% $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00
A12 000780CH7 $3,250,000.00 $0.00 0.0000000000% 0.0000000000% $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00
A13 000780CJ3 $4,000,000.00 $0.00 0.0000000000% 0.0000000000% $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00
A14 000780CK0 $1,953,000.00 $1,953,000.00 5.5000000000% 5.5000000000% $8,951.25 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $8,951.25 $1,953,000.00
A15 000780CL8 $56,373,000.00 $22,861,193.52 4.5000000000% 4.5000000000% $85,729.48 $3,873,409.48 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $3,959,138.96 $18,987,784.04
A16 000780CM6 $1,613,000.00 $1,613,000.00 5.5000000000% 5.5000000000% $7,392.92 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $7,392.92 $1,613,000.00
A17 000780CN4 $18,790,000.00 $7,619,992.30 6.7250000000% 6.7250000000% $42,703.71 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $42,703.71 $6,328,924.52
A18 000780CP9 $15,500,000.00 $0.01 2.4750000000% 0.0000000000% $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.01
A19 000780CQ7 $4,000,000.00 $0.00 0.0000000000% 0.0000000000% $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00
A20 000780CR5 $4,500,000.00 $0.00 0.0000000000% 0.0000000000% $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00
A21 000780CS3 $18,790,000.00 $7,619,992.30 1.7750000000% 1.7750000000% $11,271.24 $1,291,067.78 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $1,302,339.02 $6,328,924.52
A22 000780CT1 $3,867,439.00 $3,867,439.00 5.5000000000% 5.5000000000% $17,725.76 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $17,725.76 $3,867,439.00
AP 000780CU8 $557,502.35 $474,352.93 0.0000000000% 0.0000000000% $0.00 $5,887.98 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $5,887.98 $468,464.95
AX 000780CV6 $1,596,038.00 $361,855.78 5.5000000000% 5.5000000000% $1,658.51 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $1,658.51 $248,491.30
M 000780CW4 $5,742,822.00 $5,656,499.97 5.5000000000% 5.5000000000% $25,925.62 $6,309.08 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $32,234.70 $5,650,190.89
B1 000780CX2 $2,574,368.00 $2,535,671.92 5.5000000000% 5.5000000000% $11,621.83 $2,828.21 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $14,450.04 $2,532,843.71
B2 000780CY0 $990,142.00 $975,258.88 5.5000000000% 5.5000000000% $4,469.94 $1,087.77 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $5,557.71 $974,171.11
B3 000780DA1 $792,113.00 $780,206.52 5.5000000000% 5.5000000000% $3,575.95 $870.22 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $4,446.16 $779,336.30
B4 000780DB9 $594,085.00 $585,155.15 5.5000000000% 5.5000000000% $2,681.96 $652.66 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $3,334.62 $584,502.49
B5 000780DC7 $594,084.89 $585,154.98 5.5000000000% 5.5000000000% $2,681.96 $652.66 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $3,334.62 $584,502.32
R 000780CZ7 $100.00 $0.00 0.0000000000% 0.0000000000% $0.98 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.98 $0.00




WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: AMAC.034
Distribution Date: 05/25/2004
 
Class Cusip Orig Prin Bal Begin Prin Bal Int Rate Accrued Int Rate Paid Int Dist Prin Dist Int Shortfall Prin Loss Deferred Interest Int Reimbursed Unscheduled Int Prin Reimbursed Subsequent Recoveries Total Dist Ending Class Bal
R_SYN XXXXXXXXX $0.00 $0.00 0.0000000000% 0.0000000000% $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00
A10_ROUND XXXXXXXXX $8,500,000.00 $0.00 0.0000000000% 0.0000000000% $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00
A11_ROUND XXXXXXXXX $4,250,000.00 $0.00 0.0000000000% 0.0000000000% $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00
A12_ROUND XXXXXXXXX $3,250,000.00 $0.00 0.0000000000% 0.0000000000% $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00
A13_ROUND XXXXXXXXX $4,000,000.00 $0.00 0.0000000000% 0.0000000000% $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00
Total   $396,056,656.24 $194,707,640.76     $891,894.37 $23,261,665.10 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $24,153,559.47 $171,445,975.66




WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: AMAC.034
Distribution Date: 05/25/2004
 
Class Orig Face Beg Bal Prin Loss Prin Reimbursed Subsequent Recoveries Deferred Interest Total Prin End Cert Pct End Cert Bal
A1 $102,599,000.00 $48,020,715.57 $0.00 $0.00 $0.00 $0.00 $18,078,899.25 0.2918334128 $29,941,816.32
A2 $40,270,840.00 $21,664,607.58 $0.00 $0.00 $0.00 $0.00 $0.00 0.3849273189 $15,501,346.47
A3 $23,554,000.00 $23,554,000.00 $0.00 $0.00 $0.00 $0.00 $0.00 1.0000000000 $23,554,000.00
A4 $34,804,000.00 $34,804,000.00 $0.00 $0.00 $0.00 $0.00 $0.00 1.0000000000 $34,804,000.00
A5 $38,822,000.00 $38,822,000.00 $0.00 $0.00 $0.00 $0.00 $0.00 1.0000000000 $38,822,000.00
A6 $31,239,000.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 0.0000000000 $0.00
A7 $3,970,000.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 0.0000000000 $0.00
A8 $5,878,000.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 0.0000000000 $0.00
A9 $16,749,000.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 0.0000000000 $0.00
A10 $8,500,000.00 $0.01 $0.00 $0.00 $0.00 $0.00 $0.00 0.0000000012 $0.01
A11 $4,250,000.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 0.0000000000 $0.00
A12 $3,250,000.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 0.0000000000 $0.00
A13 $4,000,000.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 0.0000000000 $0.00
A14 $1,953,000.00 $1,953,000.00 $0.00 $0.00 $0.00 $0.00 $0.00 1.0000000000 $1,953,000.00
A15 $56,373,000.00 $22,861,193.52 $0.00 $0.00 $0.00 $0.00 $3,873,409.48 0.3368240832 $18,987,784.04
A16 $1,613,000.00 $1,613,000.00 $0.00 $0.00 $0.00 $0.00 $0.00 1.0000000000 $1,613,000.00
A17 $18,790,000.00 $7,619,992.30 $0.00 $0.00 $0.00 $0.00 $0.00 0.3368240830 $6,328,924.52
A18 $15,500,000.00 $0.01 $0.00 $0.00 $0.00 $0.00 $0.00 0.0000000006 $0.01
A19 $4,000,000.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 0.0000000000 $0.00
A20 $4,500,000.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 0.0000000000 $0.00
A21 $18,790,000.00 $7,619,992.30 $0.00 $0.00 $0.00 $0.00 $1,291,067.78 0.3368240830 $6,328,924.52
A22 $3,867,439.00 $3,867,439.00 $0.00 $0.00 $0.00 $0.00 $0.00 1.0000000000 $3,867,439.00
AP $557,502.35 $474,352.93 $0.00 $0.00 $0.00 $0.00 $5,887.98 0.8402923324 $468,464.95
AX $1,596,038.00 $361,855.78 $0.00 $0.00 $0.00 $0.00 $0.00 0.1556925963 $248,491.30
M $5,742,822.00 $5,656,499.97 $0.00 $0.00 $0.00 $0.00 $6,309.08 0.9838701060 $5,650,190.89
B1 $2,574,368.00 $2,535,671.92 $0.00 $0.00 $0.00 $0.00 $2,828.21 0.9838701033 $2,532,843.71
B2 $990,142.00 $975,258.88 $0.00 $0.00 $0.00 $0.00 $1,087.77 0.9838701015 $974,171.11
B3 $792,113.00 $780,206.52 $0.00 $0.00 $0.00 $0.00 $870.22 0.9838701044 $779,336.30
B4 $594,085.00 $585,155.15 $0.00 $0.00 $0.00 $0.00 $652.66 0.9838701364 $584,502.49
B5 $594,084.89 $585,154.98 $0.00 $0.00 $0.00 $0.00 $652.66 0.9838700324 $584,502.32
R $100.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 0.0000000000 $0.00




WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: AMAC.034
Distribution Date: 05/25/2004
 
Class Orig Face Beg Bal Prin Loss Prin Reimbursed Subsequent Recoveries Deferred Interest Total Prin End Cert Pct End Cert Bal
R_SYN $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 0.0000000000 $0.00
A10_ROUND $8,500,000.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 0.0000000000 $0.00
A11_ROUND $4,250,000.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 0.0000000000 $0.00
A12_ROUND $3,250,000.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 0.0000000000 $0.00
A13_ROUND $4,000,000.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 0.0000000000 $0.00
Total $396,056,656.24 $194,707,640.76 $0.00 $0.00 $0.00 $0.00 $23,261,665.10 0.4328824499 $171,445,975.66




WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: AMAC.034
Distribution Date: 05/25/2004
PER $1000 DENOMINATION
Class Orig Face Beg Bal Prin Loss Prin Reimbursed Subsequent Recoveries Deferred Interest Total Prin End Cert Pct End Cert Bal
A1 $102,599,000.00 468.04272527 0.00000000 0.00000000 0.00000000 0.00000000 176.20931247 0.2918334128 291.83341280
A2 $40,270,840.00 537.97257718 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.3849273189 384.92731887
A3 $23,554,000.00 1,000.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 1.0000000000 1,000.00000000
A4 $34,804,000.00 1,000.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 1.0000000000 1,000.00000000
A5 $38,822,000.00 1,000.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 1.0000000000 1,000.00000000
A6 $31,239,000.00 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.0000000000 0.00000000
A7 $3,970,000.00 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.0000000000 0.00000000
A8 $5,878,000.00 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.0000000000 0.00000000
A9 $16,749,000.00 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.0000000000 0.00000000
A10 $8,500,000.00 0.00000118 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.0000000012 0.00000118
A11 $4,250,000.00 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.0000000000 0.00000000
A12 $3,250,000.00 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.0000000000 0.00000000
A13 $4,000,000.00 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.0000000000 0.00000000
A14 $1,953,000.00 1,000.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 1.0000000000 1,000.00000000
A15 $56,373,000.00 405.53444947 0.00000000 0.00000000 0.00000000 0.00000000 68.71036631 0.3368240832 336.82408316
A16 $1,613,000.00 1,000.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 1.0000000000 1,000.00000000
A17 $18,790,000.00 405.53444918 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.3368240830 336.82408302
A18 $15,500,000.00 0.00000065 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.0000000006 0.00000065
A19 $4,000,000.00 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.0000000000 0.00000000
A20 $4,500,000.00 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.0000000000 0.00000000
A21 $18,790,000.00 405.53444918 0.00000000 0.00000000 0.00000000 0.00000000 68.71036615 0.3368240830 336.82408302
A22 $3,867,439.00 1,000.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 1.0000000000 1,000.00000000
AP $557,502.35 850.85368698 0.00000000 0.00000000 0.00000000 0.00000000 10.56135458 0.8402923324 840.29233240
AX $1,596,038.00 226.72128107 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.1556925963 155.69259629
M $5,742,822.00 984.96870876 0.00000000 0.00000000 0.00000000 0.00000000 1.09860274 0.9838701060 983.87010602
B1 $2,574,368.00 984.96870688 0.00000000 0.00000000 0.00000000 0.00000000 1.09860362 0.9838701033 983.87010326
B2 $990,142.00 984.96870146 0.00000000 0.00000000 0.00000000 0.00000000 1.09860000 0.9838701015 983.87010146
B3 $792,113.00 984.96871027 0.00000000 0.00000000 0.00000000 0.00000000 1.09860588 0.9838701044 983.87010439
B4 $594,085.00 984.96873343 0.00000000 0.00000000 0.00000000 0.00000000 1.09859700 0.9838701364 983.87013643
B5 $594,084.89 984.96862965 0.00000000 0.00000000 0.00000000 0.00000000 1.09859721 0.9838700324 983.87003245
R $100.00 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.0000000000 0.00000000




WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: AMAC.034
Distribution Date: 05/25/2004
PER $1000 DENOMINATION
Class Orig Face Beg Bal Prin Loss Prin Reimbursed Subsequent Recoveries Deferred Interest Total Prin End Cert Pct End Cert Bal
R_SYN $0.00 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.0000000000 0.00000000
A10_ROUND $8,500,000.00 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.0000000000 0.00000000
A11_ROUND $4,250,000.00 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.0000000000 0.00000000
A12_ROUND $3,250,000.00 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.0000000000 0.00000000
A13_ROUND $4,000,000.00 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.0000000000 0.00000000




WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: AMAC.034
Distribution Date: 05/25/2004
 
Class Orig Face Int Rate Accrued Int Rate Paid Beg Cert Prin/Not Bal Curent Int Accrued Int Shortfall Unscheduled Int Int Reimbursed Total Int Dist
A1 $102,599,000.00 3.6250000000% 3.6250000000% $48,020,715.57 $145,062.58 $0.00 $0.00 $0.00 $145,062.58
A2 $40,270,840.00 5.5000000000% 5.5000000000% $21,664,607.58 $99,296.12 $0.00 $0.00 $0.00 $99,296.12
A3 $23,554,000.00 5.5000000000% 5.5000000000% $23,554,000.00 $107,955.83 $0.00 $0.00 $0.00 $107,955.83
A4 $34,804,000.00 5.5000000000% 5.5000000000% $34,804,000.00 $159,518.33 $0.00 $0.00 $0.00 $159,518.33
A5 $38,822,000.00 4.7500000000% 4.7500000000% $38,822,000.00 $153,670.42 $0.00 $0.00 $0.00 $153,670.42
A6 $31,239,000.00 0.0000000000% 0.0000000000% $0.00 $0.00 $0.00 $0.00 $0.00 $0.00
A7 $3,970,000.00 0.0000000000% 0.0000000000% $0.00 $0.00 $0.00 $0.00 $0.00 $0.00
A8 $5,878,000.00 0.0000000000% 0.0000000000% $0.00 $0.00 $0.00 $0.00 $0.00 $0.00
A9 $16,749,000.00 0.0000000000% 0.0000000000% $0.00 $0.00 $0.00 $0.00 $0.00 $0.00
A10 $8,500,000.00 5.5000000000% 0.0000000000% $0.01 $0.00 $0.00 $0.00 $0.00 $0.00
A11 $4,250,000.00 0.0000000000% 0.0000000000% $0.00 $0.00 $0.00 $0.00 $0.00 $0.00
A12 $3,250,000.00 0.0000000000% 0.0000000000% $0.00 $0.00 $0.00 $0.00 $0.00 $0.00
A13 $4,000,000.00 0.0000000000% 0.0000000000% $0.00 $0.00 $0.00 $0.00 $0.00 $0.00
A14 $1,953,000.00 5.5000000000% 5.5000000000% $1,953,000.00 $8,951.25 $0.00 $0.00 $0.00 $8,951.25
A15 $56,373,000.00 4.5000000000% 4.5000000000% $22,861,193.52 $85,729.48 $0.00 $0.00 $0.00 $85,729.48
A16 $1,613,000.00 5.5000000000% 5.5000000000% $1,613,000.00 $7,392.92 $0.00 $0.00 $0.00 $7,392.92
A17 $18,790,000.00 6.7250000000% 6.7250000000% $7,619,992.30 $42,703.71 $0.00 $0.00 $0.00 $42,703.71
A18 $15,500,000.00 2.4750000000% 0.0000000000% $0.01 $0.00 $0.00 $0.00 $0.00 $0.00
A19 $4,000,000.00 0.0000000000% 0.0000000000% $0.00 $0.00 $0.00 $0.00 $0.00 $0.00
A20 $4,500,000.00 0.0000000000% 0.0000000000% $0.00 $0.00 $0.00 $0.00 $0.00 $0.00
A21 $18,790,000.00 1.7750000000% 1.7750000000% $7,619,992.30 $11,271.24 $0.00 $0.00 $0.00 $11,271.24
A22 $3,867,439.00 5.5000000000% 5.5000000000% $3,867,439.00 $17,725.76 $0.00 $0.00 $0.00 $17,725.76
AP $557,502.35 0.0000000000% 0.0000000000% $474,352.93 $0.00 $0.00 $0.00 $0.00 $0.00
AX $1,596,038.00 5.5000000000% 5.5000000000% $361,855.78 $1,658.51 $0.00 $0.00 $0.00 $1,658.51
M $5,742,822.00 5.5000000000% 5.5000000000% $5,656,499.97 $25,925.62 $0.00 $0.00 $0.00 $25,925.62
B1 $2,574,368.00 5.5000000000% 5.5000000000% $2,535,671.92 $11,621.83 $0.00 $0.00 $0.00 $11,621.83
B2 $990,142.00 5.5000000000% 5.5000000000% $975,258.88 $4,469.94 $0.00 $0.00 $0.00 $4,469.94
B3 $792,113.00 5.5000000000% 5.5000000000% $780,206.52 $3,575.95 $0.00 $0.00 $0.00 $3,575.95
B4 $594,085.00 5.5000000000% 5.5000000000% $585,155.15 $2,681.96 $0.00 $0.00 $0.00 $2,681.96
B5 $594,084.89 5.5000000000% 5.5000000000% $585,154.98 $2,681.96 $0.00 $0.00 $0.00 $2,681.96
R $100.00 0.0000000000% 0.0000000000% $0.00 $0.98 $0.00 $0.00 $0.00 $0.98




WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: AMAC.034
Distribution Date: 05/25/2004
 
Class Orig Face Int Rate Accrued Int Rate Paid Beg Cert Prin/Not Bal Curent Int Accrued Int Shortfall Unscheduled Int Int Reimbursed Total Int Dist
R_SYN $0.00 0.0000000000% 0.0000000000% $0.00 $0.00 $0.00 $0.00 $0.00 $0.00
A10_ROUND $8,500,000.00 0.0000000000% 0.0000000000% $0.00 $0.00 $0.00 $0.00 $0.00 $0.00
A11_ROUND $4,250,000.00 0.0000000000% 0.0000000000% $0.00 $0.00 $0.00 $0.00 $0.00 $0.00
A12_ROUND $3,250,000.00 0.0000000000% 0.0000000000% $0.00 $0.00 $0.00 $0.00 $0.00 $0.00
A13_ROUND $4,000,000.00 0.0000000000% 0.0000000000% $0.00 $0.00 $0.00 $0.00 $0.00 $0.00
Total $396,056,656.24     $194,707,640.76 $891,894.37 $0.00 $0.00 $0.00 $891,894.37




WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: AMAC.034
Distribution Date: 05/25/2004
PER $1000 DENOMINATION
Class Orig Face Int Rate Accrued Int Rate Paid Beg Cert Prin/Not Bal Curent Int Accrued Int Shortfall Unscheduled Int Int Reimbursed Total Int Dist
A1 $102,599,000.00 3.6250000000% 3.6250000000% 468.04272527 1.41387908 0.00000000 0.00000000 0.00000000 1.41387908
A2 $40,270,840.00 5.5000000000% 5.5000000000% 537.97257718 2.46570769 0.00000000 0.00000000 0.00000000 2.46570769
A3 $23,554,000.00 5.5000000000% 5.5000000000% 1,000.00000000 4.58333319 0.00000000 0.00000000 0.00000000 4.58333319
A4 $34,804,000.00 5.5000000000% 5.5000000000% 1,000.00000000 4.58333324 0.00000000 0.00000000 0.00000000 4.58333324
A5 $38,822,000.00 4.7500000000% 4.7500000000% 1,000.00000000 3.95833342 0.00000000 0.00000000 0.00000000 3.95833342
A6 $31,239,000.00 0.0000000000% 0.0000000000% 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000
A7 $3,970,000.00 0.0000000000% 0.0000000000% 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000
A8 $5,878,000.00 0.0000000000% 0.0000000000% 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000
A9 $16,749,000.00 0.0000000000% 0.0000000000% 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000
A10 $8,500,000.00 5.5000000000% 0.0000000000% 0.00000118 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000
A11 $4,250,000.00 0.0000000000% 0.0000000000% 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000
A12 $3,250,000.00 0.0000000000% 0.0000000000% 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000
A13 $4,000,000.00 0.0000000000% 0.0000000000% 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000
A14 $1,953,000.00 5.5000000000% 5.5000000000% 1,000.00000000 4.58333333 0.00000000 0.00000000 0.00000000 4.58333333
A15 $56,373,000.00 4.5000000000% 4.5000000000% 405.53444947 1.52075426 0.00000000 0.00000000 0.00000000 1.52075426
A16 $1,613,000.00 5.5000000000% 5.5000000000% 1,000.00000000 4.58333540 0.00000000 0.00000000 0.00000000 4.58333540
A17 $18,790,000.00 6.7250000000% 6.7250000000% 405.53444918 2.27268281 0.00000000 0.00000000 0.00000000 2.27268281
A18 $15,500,000.00 2.4750000000% 0.0000000000% 0.00000065 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000
A19 $4,000,000.00 0.0000000000% 0.0000000000% 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000
A20 $4,500,000.00 0.0000000000% 0.0000000000% 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000
A21 $18,790,000.00 1.7750000000% 1.7750000000% 405.53444918 0.59985311 0.00000000 0.00000000 0.00000000 0.59985311
A22 $3,867,439.00 5.5000000000% 5.5000000000% 1,000.00000000 4.58333279 0.00000000 0.00000000 0.00000000 4.58333279
AP $557,502.35 0.0000000000% 0.0000000000% 850.85368698 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000
AX $1,596,038.00 5.5000000000% 5.5000000000% 226.72128107 1.03914193 0.00000000 0.00000000 0.00000000 1.03914193
M $5,742,822.00 5.5000000000% 5.5000000000% 984.96870876 4.51443907 0.00000000 0.00000000 0.00000000 4.51443907
B1 $2,574,368.00 5.5000000000% 5.5000000000% 984.96870688 4.51444005 0.00000000 0.00000000 0.00000000 4.51444005
B2 $990,142.00 5.5000000000% 5.5000000000% 984.96870146 4.51444338 0.00000000 0.00000000 0.00000000 4.51444338
B3 $792,113.00 5.5000000000% 5.5000000000% 984.96871027 4.51444428 0.00000000 0.00000000 0.00000000 4.51444428
B4 $594,085.00 5.5000000000% 5.5000000000% 984.96873343 4.51443817 0.00000000 0.00000000 0.00000000 4.51443817
B5 $594,084.89 5.5000000000% 5.5000000000% 984.96862965 4.51443901 0.00000000 0.00000000 0.00000000 4.51443901
R $100.00 0.0000000000% 0.0000000000% 0.00000000 9.80000000 0.00000000 0.00000000 0.00000000 9.80000000




WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: AMAC.034
Distribution Date: 05/25/2004
PER $1000 DENOMINATION
Class Orig Face Int Rate Accrued Int Rate Paid Beg Cert Prin/Not Bal Curent Int Accrued Int Shortfall Unscheduled Int Int Reimbursed Total Int Dist
R_SYN $0.00 0.0000000000% 0.0000000000% 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000
A10_ROUND $8,500,000.00 0.0000000000% 0.0000000000% 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000
A11_ROUND $4,250,000.00 0.0000000000% 0.0000000000% 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000
A12_ROUND $3,250,000.00 0.0000000000% 0.0000000000% 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000
A13_ROUND $4,000,000.00 0.0000000000% 0.0000000000% 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000




WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
MASTER SERVICING
MORTGAGE PASS-THROUGH CERTIFICATES
05/2004 DISTRIBUTION REPORT
SERIES: AMAC 034
WEIGHTED AVERAGE PC RATE: 5.49682%
WEIGHTED AVERAGE MATURITY: 338.83949
WEIGHTED AVERAGE LOAN AGE: 16.47779
POOL NUMBER: 2069
ISSUE DATE: 03/31/2003
CERTIFICATE BALANCE AT ISSUE: $396,056,656.24
  TOTAL NUMBER
OF MORTAGES
CERTIFICATE ACCOUNT
ACTIVITY (@ PCRATE)
CERTIFICATE BALANCE
OUTSTANDING
BALANCES FROM LAST FISCAL MONTH-END: 444   $194,707,640.78
PRINCIPAL POOL COLLECTION(S):      
Scheduled Principal Collection Due Current Month   $217,204.50  
Unscheduled Principal Collection/Reversals   $52,755.29  
Liquidations-in-full 44 $22,991,705.31  
Subsequent Recoveries   $0.00  
Net principal Distributed   $23,261,665.10 -$23,261,665.10
 
CAPITAL LOSS (PRINCIPAL WRITTEN OFF):     $0.00
 
BALANCE CURRENT FISCAL MONTH-END: 400   $171,445,975.68
 
SCHEDULED INTEREST AT MORTGAGE RATE:   $990,477.63  
 
UNSCHEDULED INTEREST AT MORTGAGE RATE:      
Unscheduled Interest Collection/Reversals   $0.00  
Interest Uncollected on Liquidation   $0.00  
Interest Uncollected on Non-Earning Assets   $0.00  
Net Unscheduled Interest Distributed   $0.00  
 
OTHER:      
Loan Conversion Fees   $0.00  
Expense Reimbursements   $0.00  
Gain on Liquidations   $0.00  
Hazard Insurance Premium Refunds   $0.00  
Recoveries Carried Forward   $0.00  
Net Other Distributions   $0.00  




WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
MASTER SERVICING
MORTGAGE PASS-THROUGH CERTIFICATES
05/2004 DISTRIBUTION REPORT
  TOTAL NUMBER
OF MORTAGES
CERTIFICATE ACCOUNT
ACTIVITY (@ PCRATE)
CERTIFICATE BALANCE
OUTSTANDING
SCHEDULED SERVICING FEE EXPENSES:   $98,583.26  
 
UNSCHEDULED SERVICING FEES:      
Unscheduled Service Fee Collections/Reversals   $0.00  
Servicing Fees Uncollected on Liquidation   $0.00  
Servicing Fees Uncollected/Non-Earning Assets   $0.00  
Net Unscheduled Service Fees Distributed   $0.00  
 
MISCELLANEOUS EXPENSES:   $0.00  
 
NET FUNDS DISTRIBUTED:   $24,153,559.47  




WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
MASTER SERVICING
MORTGAGE PASS-THROUGH CERTIFICATES
05/2004 DISTRIBUTION REPORT
SERIES: AMAC 034
WEIGHTED AVERAGE PC RATE: 5.49682%
WEIGHTED AVERAGE MATURITY: 338.83949
WEIGHTED AVERAGE LOAN AGE: 16.47779
POOL NUMBER: ALL
ISSUE DATE: 03/31/2003
CERTIFICATE BALANCE AT ISSUE: $396,056,656.24
  TOTAL NUMBER
OF MORTAGES
CERTIFICATE ACCOUNT
ACTIVITY (@ PCRATE)
CERTIFICATE BALANCE
OUTSTANDING
BALANCES FROM LAST FISCAL MONTH-END: 444   $194,707,640.78
PRINCIPAL POOL COLLECTION(S):      
Scheduled Principal Collection Due Current Month   $217,204.50  
Unscheduled Principal Collection/Reversals   $52,755.29  
Liquidations-in-full 44 $22,991,705.31  
Subsequent Recoveries   $0.00  
Net principal Distributed   $23,261,665.10 -$23,261,665.10
 
CAPITAL LOSS (PRINCIPAL WRITTEN OFF):     $0.00
 
BALANCE CURRENT FISCAL MONTH-END: 400   $171,445,975.68
 
SCHEDULED INTEREST AT MORTGAGE RATE:   $990,477.63  
 
UNSCHEDULED INTEREST AT MORTGAGE RATE:      
Unscheduled Interest Collection/Reversals   $0.00  
Interest Uncollected on Liquidation   $0.00  
Interest Uncollected on Non-Earning Assets   $0.00  
Net Unscheduled Interest Distributed   $0.00  
 
OTHER:      
Loan Conversion Fees   $0.00  
Expense Reimbursements   $0.00  
Gain on Liquidations   $0.00  
Hazard Insurance Premium Refunds   $0.00  
Recoveries Carried Forward   $0.00  
Net Other Distributions   $0.00  




WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
MASTER SERVICING
MORTGAGE PASS-THROUGH CERTIFICATES
05/2004 DISTRIBUTION REPORT
  TOTAL NUMBER
OF MORTAGES
CERTIFICATE ACCOUNT
ACTIVITY (@ PCRATE)
CERTIFICATE BALANCE
OUTSTANDING
SCHEDULED SERVICING FEE EXPENSES:   $98,583.26  
 
UNSCHEDULED SERVICING FEES:      
Unscheduled Service Fee Collections/Reversals   $0.00  
Servicing Fees Uncollected on Liquidation   $0.00  
Servicing Fees Uncollected/Non-Earning Assets   $0.00  
Net Unscheduled Service Fees Distributed   $0.00  
 
MISCELLANEOUS EXPENSES:   $0.00  
 
NET FUNDS DISTRIBUTED:   $24,153,559.47  




WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: AMAC.034
Distribution Date: 05/25/2004
 
Distribution by Group
Pool ID Principal Interest Total  
Pool - 2069 $23,261,665.10 $891,894.37 $24,153,559.47  
Aggregate $23,261,665.10 $891,894.37 $24,153,559.47  
 
Number of Loans and Aggregate Principal Balance By Group
Pool ID Beg Bal Beg Count Paid Off / Liq Count Rem Count Sched Prin End Bal Sched Prin Prin PrePay / Liq Unsched Prin / Rev Total Prin
Pool - 2069 $194,707,640.78 444 44 400 $171,445,975.68 $217,204.50 $22,991,705.31 $52,755.29 $23,261,665.10
Aggregate $194,707,640.78 444 44 400 $171,445,975.68 $217,204.50 $22,991,705.31 $52,755.29 $23,261,665.10
 
Delinquency Information by Group
Pool ID 1 Month Count Sched End Balance 2 Months Count Sched End Balance 3 Months Count Sched End Balance 4 Months Count Sched End Balance  
Pool - 2069 1 $492,105.39 0 $0.00 0 $0.00 0 $0.00  
Aggregate 1 $492,105.39 0 $0.00 0 $0.00 0 $0.00  
 
Foreclosure and REO Information by Group
Pool ID Foreclosure Count Sched End Balance REO Count Sched End Balance
Pool - 2069 0 $0.00 0 $0.00
Aggregate 0 $0.00 0 $0.00
 
Aggregate Loss Amounts by Group
Pool ID Count Loss Amount  
Group 1(2069) 0 $0.00  
Aggregate 0 $0.00  




WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: AMAC.034
Distribution Date: 05/25/2004
 
INSURANCE RESERVES - Group 1(2069)
Insurance Type Original Balance Claims In Progress Claims Paid Coverage Adjustments Coverage Remaining
MPI $0.00 $0.00 $0.00 $0.00 $0.00
Special Hazard $0.00 $0.00 $0.00 $0.00 $0.00
Bankruptcy Bond
Single-Units $0.00 $0.00 $0.00 $0.00 $0.00
Multi-Units $0.00 $0.00 $0.00 $0.00 $0.00
Mortgage Repurchase $0.00 $0.00 $0.00 $0.00 $0.00
 
INSURANCE RESERVES - Aggregate
Insurance Type Original Balance Claims In Progress Claims Paid Coverage Adjustments Coverage Remaining
MPI $0.00 $0.00 $0.00 $0.00 $0.00
Special Hazard $0.00 $0.00 $0.00 $0.00 $0.00
Bankruptcy Bond
Single-Units $0.00 $0.00 $0.00 $0.00 $0.00
Multi-Units $0.00 $0.00 $0.00 $0.00 $0.00
Mortgage Repurchase $0.00 $0.00 $0.00 $0.00 $0.00




WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: AMAC.034
Distribution Date: 05/25/2004