EX-99 3 amac2003_4.htm EXHIBIT


WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: AMAC.034
Distribution Date: 03/25/2004
 
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 $71,435,560.03 3.6250000000% 3.6250000000% $215,794.92 $10,925,337.60 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $11,141,132.52 $60,510,222.43
A2 000780BX3 $40,270,840.00 $29,646,940.92 5.5000000000% 5.5000000000% $135,881.81 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $135,881.81 $25,922,394.01
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 $27,877,830.84 4.5000000000% 4.5000000000% $104,541.87 $2,340,756.80 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $2,445,298.66 $25,537,074.04
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 $9,292,115.75 6.7250000000% 6.7250000000% $52,074.57 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $52,074.57 $8,511,905.01
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 $9,292,115.75 1.7750000000% 1.7750000000% $13,744.59 $780,210.74 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $793,955.33 $8,511,905.01
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 $501,051.19 0.0000000000% 0.0000000000% $0.00 $12,153.52 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $12,153.52 $488,897.67
AX 000780CV6 $1,596,038.00 $514,543.29 5.5000000000% 5.5000000000% $2,358.32 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $2,358.32 $395,642.83
M 000780CW4 $5,742,822.00 $5,678,161.10 5.5000000000% 5.5000000000% $26,024.91 $15,410.63 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $41,435.54 $5,662,750.47
B1 000780CX2 $2,574,368.00 $2,545,382.08 5.5000000000% 5.5000000000% $11,666.33 $6,908.21 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $18,574.55 $2,538,473.87
B2 000780CY0 $990,142.00 $978,993.56 5.5000000000% 5.5000000000% $4,487.05 $2,657.01 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $7,144.06 $976,336.55
B3 000780DA1 $792,113.00 $783,194.26 5.5000000000% 5.5000000000% $3,589.64 $2,125.60 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $5,715.24 $781,068.66
B4 000780DB9 $594,085.00 $587,395.95 5.5000000000% 5.5000000000% $2,692.23 $1,594.20 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $4,286.43 $585,801.75
B5 000780DC7 $594,084.89 $587,395.79 5.5000000000% 5.5000000000% $2,692.23 $1,594.21 $0.00 $0.00 $0.00 $0.00 $0.00 $0.01 $0.00 $4,286.44 $585,801.59
R 000780CZ7 $100.00 $0.00 0.0000000000% 0.0000000000% $1.19 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 $1.19 $0.00




WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: AMAC.034
Distribution Date: 03/25/2004
 
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 $224,880,519.57     $1,030,764.17 $14,088,748.53 $0.00 $0.00 $0.00 $0.00 $0.00 $0.01 $0.00 $15,119,512.70 $210,791,771.05




WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: AMAC.034
Distribution Date: 03/25/2004
 
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 $71,435,560.03 $0.00 $0.00 $0.00 $0.00 $10,925,337.60 0.5897739981 $60,510,222.43
A2 $40,270,840.00 $29,646,940.92 $0.00 $0.00 $0.00 $0.00 $0.00 0.6437013484 $25,922,394.01
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 $27,877,830.84 $0.00 $0.00 $0.00 $0.00 $2,340,756.80 0.4530018633 $25,537,074.04
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 $9,292,115.75 $0.00 $0.00 $0.00 $0.00 $0.00 0.4530018632 $8,511,905.01
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 $9,292,115.75 $0.00 $0.00 $0.00 $0.00 $780,210.74 0.4530018632 $8,511,905.01
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 $501,051.19 $0.00 $0.00 $0.00 $0.00 $12,153.52 0.8769427967 $488,897.67
AX $1,596,038.00 $514,543.29 $0.00 $0.00 $0.00 $0.00 $0.00 0.2478906079 $395,642.83
M $5,742,822.00 $5,678,161.10 $0.00 $0.00 $0.00 $0.00 $15,410.63 0.9860571109 $5,662,750.47
B1 $2,574,368.00 $2,545,382.08 $0.00 $0.00 $0.00 $0.00 $6,908.21 0.9860571099 $2,538,473.87
B2 $990,142.00 $978,993.56 $0.00 $0.00 $0.00 $0.00 $2,657.01 0.9860571009 $976,336.55
B3 $792,113.00 $783,194.26 $0.00 $0.00 $0.00 $0.00 $2,125.60 0.9860571156 $781,068.66
B4 $594,085.00 $587,395.95 $0.00 $0.00 $0.00 $0.00 $1,594.20 0.9860571299 $585,801.75
B5 $594,084.89 $587,395.79 $0.00 $0.01 $0.00 $0.00 $1,594.21 0.9860570431 $585,801.59
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: 03/25/2004
 
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 $224,880,519.57 $0.00 $0.01 $0.00 $0.00 $14,088,748.53 0.5322263058 $210,791,771.05




WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: AMAC.034
Distribution Date: 03/25/2004
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 $102,599,000.00 696.25980789 0.00000000 0.00000000 0.00000000 0.00000000 106.48580980 0.5897739981 589.77399809
A2 $40,270,840.00 736.18878871 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.6437013484 643.70134842
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 $56,373,000.00 494.52452131 0.00000000 0.00000000 0.00000000 0.00000000 41.52265801 0.4530018633 453.00186330
A16 $1,613,000.00 1,000.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 1.0000000000 1,000.00000000
A17 $18,790,000.00 494.52452102 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.4530018632 453.00186323
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 $18,790,000.00 494.52452102 0.00000000 0.00000000 0.00000000 0.00000000 41.52265780 0.4530018632 453.00186323
A22 $3,867,439.00 1,000.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 1.0000000000 1,000.00000000
AP $557,502.35 898.74274073 0.00000000 0.00000000 0.00000000 0.00000000 21.79994398 0.8769427967 876.94279674
AX $1,596,038.00 322.38786921 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000 0.2478906079 247.89060787
M $5,742,822.00 988.74057040 0.00000000 0.00000000 0.00000000 0.00000000 2.68345946 0.9860571109 986.05711095
B1 $2,574,368.00 988.74056856 0.00000000 0.00000000 0.00000000 0.00000000 2.68345862 0.9860571099 986.05710994
B2 $990,142.00 988.74056448 0.00000000 0.00000000 0.00000000 0.00000000 2.68346358 0.9860571009 986.05710090
B3 $792,113.00 988.74057111 0.00000000 0.00000000 0.00000000 0.00000000 2.68345552 0.9860571156 986.05711559
B4 $594,085.00 988.74058426 0.00000000 0.00000000 0.00000000 0.00000000 2.68345439 0.9860571299 986.05712987
B5 $594,084.89 988.74049801 0.00000000 0.00001683 0.00000000 0.00000000 2.68347172 0.9860570431 986.05704313
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: 03/25/2004
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: 03/25/2004
 
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% $71,435,560.03 $215,794.92 $0.00 $0.00 $0.00 $215,794.92
A2 $40,270,840.00 5.5000000000% 5.5000000000% $29,646,940.92 $135,881.81 $0.00 $0.00 $0.00 $135,881.81
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% $27,877,830.84 $104,541.87 $0.00 $0.00 $0.00 $104,541.87
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% $9,292,115.75 $52,074.57 $0.00 $0.00 $0.00 $52,074.57
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% $9,292,115.75 $13,744.59 $0.00 $0.00 $0.00 $13,744.59
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% $501,051.19 $0.00 $0.00 $0.00 $0.00 $0.00
AX $1,596,038.00 5.5000000000% 5.5000000000% $514,543.29 $2,358.32 $0.00 $0.00 $0.00 $2,358.32
M $5,742,822.00 5.5000000000% 5.5000000000% $5,678,161.10 $26,024.91 $0.00 $0.00 $0.00 $26,024.91
B1 $2,574,368.00 5.5000000000% 5.5000000000% $2,545,382.08 $11,666.33 $0.00 $0.00 $0.00 $11,666.33
B2 $990,142.00 5.5000000000% 5.5000000000% $978,993.56 $4,487.05 $0.00 $0.00 $0.00 $4,487.05
B3 $792,113.00 5.5000000000% 5.5000000000% $783,194.26 $3,589.64 $0.00 $0.00 $0.00 $3,589.64
B4 $594,085.00 5.5000000000% 5.5000000000% $587,395.95 $2,692.23 $0.00 $0.00 $0.00 $2,692.23
B5 $594,084.89 5.5000000000% 5.5000000000% $587,395.79 $2,692.23 $0.00 $0.00 $0.00 $2,692.23
R $100.00 0.0000000000% 0.0000000000% $0.00 $1.19 $0.00 $0.00 $0.00 $1.19




WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: AMAC.034
Distribution Date: 03/25/2004
 
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     $224,880,519.57 $1,030,764.17 $0.00 $0.00 $0.00 $1,030,764.17




WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: AMAC.034
Distribution Date: 03/25/2004
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% 696.25980789 2.10328483 0.00000000 0.00000000 0.00000000 2.10328483
A2 $40,270,840.00 5.5000000000% 5.5000000000% 736.18878871 3.37419855 0.00000000 0.00000000 0.00000000 3.37419855
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% 494.52452131 1.85446703 0.00000000 0.00000000 0.00000000 1.85446703
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% 494.52452102 2.77139808 0.00000000 0.00000000 0.00000000 2.77139808
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% 494.52452102 0.73148430 0.00000000 0.00000000 0.00000000 0.73148430
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% 898.74274073 0.00000000 0.00000000 0.00000000 0.00000000 0.00000000
AX $1,596,038.00 5.5000000000% 5.5000000000% 322.38786921 1.47760893 0.00000000 0.00000000 0.00000000 1.47760893
M $5,742,822.00 5.5000000000% 5.5000000000% 988.74057040 4.53172848 0.00000000 0.00000000 0.00000000 4.53172848
B1 $2,574,368.00 5.5000000000% 5.5000000000% 988.74056856 4.53172584 0.00000000 0.00000000 0.00000000 4.53172584
B2 $990,142.00 5.5000000000% 5.5000000000% 988.74056448 4.53172373 0.00000000 0.00000000 0.00000000 4.53172373
B3 $792,113.00 5.5000000000% 5.5000000000% 988.74057111 4.53172717 0.00000000 0.00000000 0.00000000 4.53172717
B4 $594,085.00 5.5000000000% 5.5000000000% 988.74058426 4.53172526 0.00000000 0.00000000 0.00000000 4.53172526
B5 $594,084.89 5.5000000000% 5.5000000000% 988.74049801 4.53172610 0.00000000 0.00000000 0.00000000 4.53172610
R $100.00 0.0000000000% 0.0000000000% 0.00000000 11.90000000 0.00000000 0.00000000 0.00000000 11.90000000




WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: AMAC.034
Distribution Date: 03/25/2004
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
03/2004 DISTRIBUTION REPORT
SERIES: AMAC 034
WEIGHTED AVERAGE PC RATE: 5.50033%
WEIGHTED AVERAGE MATURITY: 341.60670
WEIGHTED AVERAGE LOAN AGE: 14.48952
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: 509   $224,880,519.58
PRINCIPAL POOL COLLECTION(S):      
Scheduled Principal Collection Due Current Month   $609,555.55  
Unscheduled Principal Collection/Reversals   $189,883.12  
Liquidations-in-full 28 $13,289,309.85  
Subsequent Recoveries   $0.00  
Net principal Distributed   $14,088,748.52 -$14,088,748.52
 
CAPITAL LOSS (PRINCIPAL WRITTEN OFF):     $0.00
 
BALANCE CURRENT FISCAL MONTH-END: 481   $210,791,771.06
 
SCHEDULED INTEREST AT MORTGAGE RATE:   $1,147,053.57  
 
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
03/2004 DISTRIBUTION REPORT
  TOTAL NUMBER
OF MORTAGES
CERTIFICATE ACCOUNT
ACTIVITY (@ PCRATE)
CERTIFICATE BALANCE
OUTSTANDING
SCHEDULED SERVICING FEE EXPENSES:   $116,289.39  
 
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:   $15,119,512.70  




WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
MASTER SERVICING
MORTGAGE PASS-THROUGH CERTIFICATES
03/2004 DISTRIBUTION REPORT
SERIES: AMAC 034
WEIGHTED AVERAGE PC RATE: 5.50033%
WEIGHTED AVERAGE MATURITY: 341.60670
WEIGHTED AVERAGE LOAN AGE: 14.48952
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: 509   $224,880,519.58
PRINCIPAL POOL COLLECTION(S):      
Scheduled Principal Collection Due Current Month   $609,555.55  
Unscheduled Principal Collection/Reversals   $189,883.12  
Liquidations-in-full 28 $13,289,309.85  
Subsequent Recoveries   $0.00  
Net principal Distributed   $14,088,748.52 -$14,088,748.52
 
CAPITAL LOSS (PRINCIPAL WRITTEN OFF):     $0.00
 
BALANCE CURRENT FISCAL MONTH-END: 481   $210,791,771.06
 
SCHEDULED INTEREST AT MORTGAGE RATE:   $1,147,053.57  
 
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
03/2004 DISTRIBUTION REPORT
  TOTAL NUMBER
OF MORTAGES
CERTIFICATE ACCOUNT
ACTIVITY (@ PCRATE)
CERTIFICATE BALANCE
OUTSTANDING
SCHEDULED SERVICING FEE EXPENSES:   $116,289.39  
 
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:   $15,119,512.70  




WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: AMAC.034
Distribution Date: 03/25/2004
 
Distribution by Group
Pool ID Principal Interest Total  
Pool - 2069 $14,088,748.52 $1,030,764.18 $15,119,512.70  
Aggregate $14,088,748.52 $1,030,764.18 $15,119,512.70  
 
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 $224,880,519.58 509 28 481 $210,791,771.06 $609,555.55 $13,289,309.85 $189,883.12 $14,088,748.52
Aggregate $224,880,519.58 509 28 481 $210,791,771.06 $609,555.55 $13,289,309.85 $189,883.12 $14,088,748.52
 
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 2 $838,081.05 1 $366,197.13 0 $0.00 0 $0.00  
Aggregate 2 $838,081.05 1 $366,197.13 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: 03/25/2004
 
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: 03/25/2004