EX-99 2 amac2003_4.htm EXHIBIT


WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: AMAC.034
Distribution Date: 08/25/2004
 
Class Cusip Orig Prin Bal Begin Prin Bal Int Rate Accrued Int Rate Paid Int Dist Prin Dist Int Shortfall PPIS Uncomp Int Shortfall Prin Loss Deferred Interest Int Reimbursed Unsched Int Prin Reimbursed Subsequent Recoveries Total Dist Ending Class Bal
A1 000780BW5 $102,599,000.00 $22,968,630.64 3.6250000000% 3.6250000000% $69,384.41 $1,211,528.78 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $1,280,913.18 $21,757,101.86
A2 000780BX3 $40,270,840.00 $13,124,124.08 5.5000000000% 5.5000000000% $60,152.24 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $60,152.24 $12,711,102.91
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 $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 $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 $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 $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 $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 $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 $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 $0.00 $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 $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 $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 $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 $0.00 $0.00 $8,951.25 $1,953,000.00
A15 000780CL8 $56,373,000.00 $17,493,776.96 4.5000000000% 4.5000000000% $65,601.66 $259,570.40 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $325,172.06 $17,234,206.56
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 $0.00 $0.00 $7,392.92 $1,613,000.00
A17 000780CN4 $18,790,000.00 $5,830,948.66 6.3500000000% 6.3500000000% $30,855.44 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $30,855.44 $5,744,429.80
A18 000780CP9 $15,500,000.00 $0.01 2.8500000000% 0.0000000000% $0.00 $0.00 $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 $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 $0.00 $0.00
A21 000780CS3 $18,790,000.00 $5,830,948.66 2.1500000000% 2.1500000000% $10,447.12 $86,518.86 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $96,965.98 $5,744,429.80
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 $0.00 $0.00 $17,725.76 $3,867,439.00
AP 000780CU8 $557,502.35 $454,394.44 0.0000000000% 0.0000000000% $0.00 $611.11 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $611.11 $453,783.33
AX 000780CV6 $1,596,038.00 $209,266.71 5.5000000000% 5.5000000000% $959.14 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $959.14 $208,931.95
M 000780CW4 $5,742,822.00 $5,637,373.30 5.5000000000% 5.5000000000% $25,837.96 $6,494.05 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $32,332.01 $5,630,879.25
B1 000780CX2 $2,574,368.00 $2,527,097.89 5.5000000000% 5.5000000000% $11,582.53 $2,911.13 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $14,493.66 $2,524,186.76
B2 000780CY0 $990,142.00 $971,961.18 5.5000000000% 5.5000000000% $4,454.82 $1,119.66 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $5,574.49 $970,841.52
B3 000780DA1 $792,113.00 $777,568.36 5.5000000000% 5.5000000000% $3,563.85 $895.73 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $4,459.59 $776,672.63
B4 000780DB9 $594,085.00 $583,176.53 5.5000000000% 5.5000000000% $2,672.89 $671.80 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $3,344.69 $582,504.73
B5 000780DC7 $594,084.89 $583,176.36 5.5000000000% 5.5000000000% $2,672.89 $671.80 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $3,344.69 $582,504.56
R 000780CZ7 $100.00 $0.00 0.0000000000% 0.0000000000% $0.70 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.70 $0.00




WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: AMAC.034
Distribution Date: 08/25/2004
 
Class Cusip Orig Prin Bal Begin Prin Bal Int Rate Accrued Int Rate Paid Int Dist Prin Dist Int Shortfall PPIS Uncomp Int Shortfall Prin Loss Deferred Interest Int Reimbursed Unsched 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 $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 $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 $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 $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 $0.00 $0.00
Total   $396,056,656.24 $162,441,543.34     $743,400.16 $1,570,993.31 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $2,314,393.47 $160,870,550.03




WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: AMAC.034
Distribution Date: 08/25/2004
 
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 $22,968,630.64 $0.00 $0.00 $0.00 $0.00 $1,211,528.78 0.2120595899 $21,757,101.86
A2 $40,270,840.00 $13,124,124.08 $0.00 $0.00 $0.00 $0.00 $0.00 0.3156403718 $12,711,102.91
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 $17,493,776.96 $0.00 $0.00 $0.00 $0.00 $259,570.40 0.3057173924 $17,234,206.56
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 $5,830,948.66 $0.00 $0.00 $0.00 $0.00 $0.00 0.3057173922 $5,744,429.80
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 $5,830,948.66 $0.00 $0.00 $0.00 $0.00 $86,518.86 0.3057173922 $5,744,429.80
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 $454,394.44 $0.00 $0.00 $0.00 $0.00 $611.11 0.8139576990 $453,783.33
AX $1,596,038.00 $209,266.71 $0.00 $0.00 $0.00 $0.00 $0.00 0.1309066263 $208,931.95
M $5,742,822.00 $5,637,373.30 $0.00 $0.00 $0.00 $0.00 $6,494.05 0.9805073621 $5,630,879.25
B1 $2,574,368.00 $2,527,097.89 $0.00 $0.00 $0.00 $0.00 $2,911.13 0.9805073556 $2,524,186.76
B2 $990,142.00 $971,961.18 $0.00 $0.00 $0.00 $0.00 $1,119.66 0.9805073616 $970,841.52
B3 $792,113.00 $777,568.36 $0.00 $0.00 $0.00 $0.00 $895.73 0.9805073645 $776,672.63
B4 $594,085.00 $583,176.53 $0.00 $0.00 $0.00 $0.00 $671.80 0.9805073853 $582,504.73
B5 $594,084.89 $583,176.36 $0.00 $0.00 $0.00 $0.00 $671.80 0.9805072807 $582,504.56
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: 08/25/2004
 
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 $162,441,543.34 $0.00 $0.00 $0.00 $0.00 $1,570,993.31 0.4061806499 $160,870,550.03




WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: AMAC.034
Distribution Date: 08/25/2004
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 $102,599,000.00 223.86797766 0.00000000 0.00000000 0.00000000 0.00000000 11.80838780 0.2120595899 212.05958986
A2 $40,270,840.00 325.89645709 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.3156403718 315.64037179
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 $56,373,000.00 310.32190872 0.00000000 0.00000000 0.00000000 0.00000000 4.60451635 0.3057173924 305.71739237
A16 $1,613,000.00 1,000.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 1.0000000000 1,000.00000000
A17 $18,790,000.00 310.32190846 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.3057173922 305.71739223
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 $18,790,000.00 310.32190846 0.00000000 0.00000000 0.00000000 0.00000000 4.60451623 0.3057173922 305.71739223
A22 $3,867,439.00 1,000.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 1.0000000000 1,000.00000000
AP $557,502.35 815.05385583 0.00000000 0.00000000 0.00000000 0.00000000 1.09615681 0.8139576990 813.95769901
AX $1,596,038.00 131.11637066 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.1309066263 130.90662628
M $5,742,822.00 981.63817371 0.00000000 0.00000000 0.00000000 0.00000000 1.13081165 0.9805073621 980.50736206
B1 $2,574,368.00 981.63816906 0.00000000 0.00000000 0.00000000 0.00000000 1.13081347 0.9805073556 980.50735559
B2 $990,142.00 981.63816907 0.00000000 0.00000000 0.00000000 0.00000000 1.13080750 0.9805073616 980.50736157
B3 $792,113.00 981.63817536 0.00000000 0.00000000 0.00000000 0.00000000 1.13081088 0.9805073645 980.50736448
B4 $594,085.00 981.63819992 0.00000000 0.00000000 0.00000000 0.00000000 1.13081461 0.9805073853 980.50738531
B5 $594,084.89 981.63809553 0.00000000 0.00000000 0.00000000 0.00000000 1.13081482 0.9805072807 980.50728070
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: 08/25/2004
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: 08/25/2004
 
Class Orig Face Int Rate Accrued Int Rate Paid Beg Cert Prin/Not Bal Current Int Accrued Int Shortfall PPIS Uncompensated Int Shortfall Unscheduled Int Int Reimbursed Total Int Dist
A1 $102,599,000.00 3.6250000000% 3.6250000000% $22,968,630.64 $69,384.41 $0.00 $0.00 $0.00 $0.00 $0.00 $69,384.41
A2 $40,270,840.00 5.5000000000% 5.5000000000% $13,124,124.08 $60,152.24 $0.00 $0.00 $0.00 $0.00 $0.00 $60,152.24
A3 $23,554,000.00 5.5000000000% 5.5000000000% $23,554,000.00 $107,955.83 $0.00 $0.00 $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 $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 $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 $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 $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 $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 $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 $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 $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 $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 $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 $0.00 $0.00 $8,951.25
A15 $56,373,000.00 4.5000000000% 4.5000000000% $17,493,776.96 $65,601.66 $0.00 $0.00 $0.00 $0.00 $0.00 $65,601.66
A16 $1,613,000.00 5.5000000000% 5.5000000000% $1,613,000.00 $7,392.92 $0.00 $0.00 $0.00 $0.00 $0.00 $7,392.92
A17 $18,790,000.00 6.3500000000% 6.3500000000% $5,830,948.66 $30,855.44 $0.00 $0.00 $0.00 $0.00 $0.00 $30,855.44
A18 $15,500,000.00 2.8500000000% 0.0000000000% $0.01 $0.00 $0.00 $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 $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 $0.00 $0.00
A21 $18,790,000.00 2.1500000000% 2.1500000000% $5,830,948.66 $10,447.12 $0.00 $0.00 $0.00 $0.00 $0.00 $10,447.12
A22 $3,867,439.00 5.5000000000% 5.5000000000% $3,867,439.00 $17,725.76 $0.00 $0.00 $0.00 $0.00 $0.00 $17,725.76
AP $557,502.35 0.0000000000% 0.0000000000% $454,394.44 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00
AX $1,596,038.00 5.5000000000% 5.5000000000% $209,266.71 $959.14 $0.00 $0.00 $0.00 $0.00 $0.00 $959.14
M $5,742,822.00 5.5000000000% 5.5000000000% $5,637,373.30 $25,837.96 $0.00 $0.00 $0.00 $0.00 $0.00 $25,837.96
B1 $2,574,368.00 5.5000000000% 5.5000000000% $2,527,097.89 $11,582.53 $0.00 $0.00 $0.00 $0.00 $0.00 $11,582.53
B2 $990,142.00 5.5000000000% 5.5000000000% $971,961.18 $4,454.82 $0.00 $0.00 $0.00 $0.00 $0.00 $4,454.82
B3 $792,113.00 5.5000000000% 5.5000000000% $777,568.36 $3,563.85 $0.00 $0.00 $0.00 $0.00 $0.00 $3,563.85
B4 $594,085.00 5.5000000000% 5.5000000000% $583,176.53 $2,672.89 $0.00 $0.00 $0.00 $0.00 $0.00 $2,672.89
B5 $594,084.89 5.5000000000% 5.5000000000% $583,176.36 $2,672.89 $0.00 $0.00 $0.00 $0.00 $0.00 $2,672.89
R $100.00 0.0000000000% 0.0000000000% $0.00 $0.70 $0.00 $0.00 $0.00 $0.00 $0.00 $0.70




WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: AMAC.034
Distribution Date: 08/25/2004
 
Class Orig Face Int Rate Accrued Int Rate Paid Beg Cert Prin/Not Bal Current Int Accrued Int Shortfall PPIS Uncompensated 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 $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 $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 $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 $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 $0.00 $0.00
Total $396,056,656.24     $162,441,543.34 $743,400.16 $0.00 $0.00 $0.00 $0.00 $0.00 $743,400.16




WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: AMAC.034
Distribution Date: 08/25/2004
PER $1000 DENOMINATION
Class Orig Face Int Rate Accrued Int Rate Paid Beg Cert Prin/Not Bal Curent Int Accrued Int Shortfall PPIS Uncompensated Int Shortfall Unscheduled Int Int Reimbursed Total Int Dist
A1 $102,599,000.00 3.6250000000% 3.6250000000% 223.86797766 0.67626790 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.67626790
A2 $40,270,840.00 5.5000000000% 5.5000000000% 325.89645709 1.49369221 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 1.49369221
A3 $23,554,000.00 5.5000000000% 5.5000000000% 1,000.00000000 4.58333319 0.00000000 0.00000000 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 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 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 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 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 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 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 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 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 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 0.00000000 0.00000000
A14 $1,953,000.00 5.5000000000% 5.5000000000% 1,000.00000000 4.58333333 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 4.58333333
A15 $56,373,000.00 4.5000000000% 4.5000000000% 310.32190872 1.16370709 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 1.16370709
A16 $1,613,000.00 5.5000000000% 5.5000000000% 1,000.00000000 4.58333540 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 4.58333540
A17 $18,790,000.00 6.3500000000% 6.3500000000% 310.32190846 1.64212028 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 1.64212028
A18 $15,500,000.00 2.8500000000% 0.0000000000% 0.00000065 0.00000000 0.00000000 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 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 0.00000000 0.00000000
A21 $18,790,000.00 2.1500000000% 2.1500000000% 310.32190846 0.55599361 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.55599361
A22 $3,867,439.00 5.5000000000% 5.5000000000% 1,000.00000000 4.58333279 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 4.58333279
AP $557,502.35 0.0000000000% 0.0000000000% 815.05385583 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000
AX $1,596,038.00 5.5000000000% 5.5000000000% 131.11637066 0.60095060 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.60095060
M $5,742,822.00 5.5000000000% 5.5000000000% 981.63817371 4.49917480 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 4.49917480
B1 $2,574,368.00 5.5000000000% 5.5000000000% 981.63816906 4.49917417 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 4.49917417
B2 $990,142.00 5.5000000000% 5.5000000000% 981.63816907 4.49917285 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 4.49917285
B3 $792,113.00 5.5000000000% 5.5000000000% 981.63817536 4.49916868 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 4.49916868
B4 $594,085.00 5.5000000000% 5.5000000000% 981.63819992 4.49917099 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 4.49917099
B5 $594,084.89 5.5000000000% 5.5000000000% 981.63809553 4.49917183 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 4.49917183
R $100.00 0.0000000000% 0.0000000000% 0.00000000 7.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 7.00000000




WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: AMAC.034
Distribution Date: 08/25/2004
PER $1000 DENOMINATION
Class Orig Face Int Rate Accrued Int Rate Paid Beg Cert Prin/Not Bal Curent Int Accrued Int Shortfall PPIS Uncompensated 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 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 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 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 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 0.00000000 0.00000000




WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
MASTER SERVICING
MORTGAGE PASS-THROUGH CERTIFICATES
08/2004 DISTRIBUTION REPORT
SERIES: AMAC 034
WEIGHTED AVERAGE PC RATE: 5.49170%
WEIGHTED AVERAGE MATURITY: 334.93503
WEIGHTED AVERAGE LOAN AGE: 19.49603
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: 381   $162,441,543.36
PRINCIPAL POOL COLLECTION(S):      
Scheduled Principal Collection Due Current Month   $187,153.81  
Unscheduled Principal Collection/Reversals   $48,363.40  
Liquidations-in-full 3 $1,335,476.10  
Subsequent Recoveries   $0.00  
Net principal Distributed   $1,570,993.31 -$1,570,993.31
 
CAPITAL LOSS (PRINCIPAL WRITTEN OFF):     $0.00
 
BALANCE CURRENT FISCAL MONTH-END: 378   $160,870,550.05
 
SCHEDULED INTEREST AT MORTGAGE RATE:   $823,412.63  
 
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  
Interest Uncollected on Prepayment   $0.00  
Uncompensated Uncollected Interest   $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
08/2004 DISTRIBUTION REPORT
  TOTAL NUMBER
OF MORTAGES
CERTIFICATE ACCOUNT
ACTIVITY (@ PCRATE)
CERTIFICATE BALANCE
OUTSTANDING
SCHEDULED SERVICING FEE EXPENSES:   $80,012.47  
 
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:   $2,314,393.47  




WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
MASTER SERVICING
MORTGAGE PASS-THROUGH CERTIFICATES
08/2004 DISTRIBUTION REPORT
SERIES: AMAC 034
WEIGHTED AVERAGE PC RATE: 5.49170%
WEIGHTED AVERAGE MATURITY: 334.93503
WEIGHTED AVERAGE LOAN AGE: 19.49603
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: 381   $162,441,543.36
PRINCIPAL POOL COLLECTION(S):      
Scheduled Principal Collection Due Current Month   $187,153.81  
Unscheduled Principal Collection/Reversals   $48,363.40  
Liquidations-in-full 3 $1,335,476.10  
Subsequent Recoveries   $0.00  
Net principal Distributed   $1,570,993.31 -$1,570,993.31
 
CAPITAL LOSS (PRINCIPAL WRITTEN OFF):     $0.00
 
BALANCE CURRENT FISCAL MONTH-END: 378   $160,870,550.05
 
SCHEDULED INTEREST AT MORTGAGE RATE:   $823,412.63  
 
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  
Interest Uncollected on Prepayment   $0.00  
Uncompensated Uncollected Interest   $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
08/2004 DISTRIBUTION REPORT
  TOTAL NUMBER
OF MORTAGES
CERTIFICATE ACCOUNT
ACTIVITY (@ PCRATE)
CERTIFICATE BALANCE
OUTSTANDING
SCHEDULED SERVICING FEE EXPENSES:   $80,012.47  
 
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:   $2,314,393.47  




WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: AMAC.034
Distribution Date: 08/25/2004
 
Distribution by Group
Pool ID Principal Interest Total  
Pool - 2069 $1,570,993.31 $743,400.16 $2,314,393.47  
Aggregate $1,570,993.31 $743,400.16 $2,314,393.47  
 
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 $162,441,543.36 381 3 378 $160,870,550.05 $187,153.81 $1,335,476.10 $48,363.40 $1,570,993.31
Aggregate $162,441,543.36 381 3 378 $160,870,550.05 $187,153.81 $1,335,476.10 $48,363.40 $1,570,993.31
 
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 3 $1,190,783.99 0 $0.00 0 $0.00 0 $0.00  
Aggregate 3 $1,190,783.99 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  
Pool - 2069 0 $0.00  
Aggregate 0 $0.00  




WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: AMAC.034
Distribution Date: 08/25/2004
 
INSURANCE RESERVES - Group 1
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: 08/25/2004