WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: WAMMS.02MS2
Distribution Date: 12/26/2003

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
IA1	939335H24	$86,334,000.00	$1,528,937.77	5.5000000000%	5.5000000000%	$7,007.63	$1,528,937.77	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$1,535,945.40	$0.00
IA2	939335H32	$1,328,000.00	$351,870.03	0.0000000000%	0.0000000000%	$0.00	$133,949.65	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$133,949.65	$217,920.38
IA3	939335H40	$15,211,000.00	$15,211,000.00	6.5000000000%	6.5000000000%	$82,392.92	$3,896,652.88	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$3,979,045.79	$11,314,347.12
IA4	939335H57	$49,761,973.00	$49,761,973.00	6.5000000000%	6.5000000000%	$269,544.02	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$269,544.02	$49,761,973.00
IA5	939335H65	$40,860,000.00	$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
IA6	939335H73	$6,961,000.00	$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
IA7	939335H81	$55,281,000.00	$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
IA8	939335H99	$15,971,000.00	$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
IA9	939335J22	$2,755,000.00	$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
IA10	939335J30	$14,043,000.00	$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
IA11	939335J48	$45,500,000.00	$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
IA12	939335J55	$5,687,500.00	$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
IA13	939335J63	$5,687,500.00	$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
IA14	939335J71	$43,167,000.00	$764,468.89	1.5750000000%	1.5750000000%	$1,003.37	$764,468.89	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$765,472.26	$0.00
IA15	939335J89	$43,167,000.00	$764,468.89	6.9250000000%	6.9250000000%	$4,411.62	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$4,411.62	$0.00
IA16	939335J97	$25,336,500.00	$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
IA17	939335K20	$1,672,000.00	$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
IA18	939335K38	$3,653,000.00	$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
IA19	939335K46	$2,408,000.00	$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
IA20	939335K53	$1,576,000.00	$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
IA21	939335K61	$1,676,000.00	$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
IA22	939335K79	$1,026,000.00	$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
IA23	939335K87	$2,375,000.00	$1,696,310.52	7.0000000000%	7.0000000000%	$9,895.14	$1,696,310.52	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$1,706,205.66	$0.00
IA24	939335K95	$2,878,000.00	$2,878,000.00	7.0000000000%	7.0000000000%	$16,788.33	$45,034.94	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$61,823.27	$2,832,965.06
IA25	939335L29	$5,416,000.00	$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
IA26	939335L37	$2,263,000.00	$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
IA27	939335L45	$2,094,000.00	$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
IA28	939335L52	$15,000,561.00	$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
IA29	939335L60	$3,461,669.00	$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
IA30	939335L78	$751,770.00	$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
IA31	939335L86	$20,281,000.00	$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

WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: WAMMS.02MS2
Distribution Date: 12/26/2003

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
IA32	939335M93	$22,891,000.00	$764,557.43	6.5000000000%	6.5000000000%	$4,141.35	$764,557.43	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$768,698.78	$0.00
IA33	939335N27	$2,340,115.00	$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
IIA1	939335L94	$189,820,305.00	$28,394,887.44	6.0000000000%	6.0000000000%	$141,974.44	$1,746,117.55	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$1,888,091.99	$26,648,769.89
IIIA1	939335M28	$106,224,056.00	$52,398,475.34	6.5000000000%	6.5000000000%	$283,825.07	$1,021,056.68	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$1,304,881.75	$51,377,418.66
CX	939335M36	$3,577,565.00	$640,931.71	6.5000000000%	6.4999999572%	$3,471.71	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$3,471.71	$609,238.68
CP	939335M44	$3,108,160.00	$1,138,545.90	0.0000000000%	0.0000000000%	$0.00	$28,621.29	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$28,621.29	$1,109,924.61
CB1	939335M51	$9,407,478.00	$9,114,518.70	6.3855204305%	6.3855204305%	$48,500.79	$15,886.07	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$64,386.86	$9,098,632.63
CB2	939335M69	$4,499,228.00	$4,359,117.05	6.3855204305%	6.3855204305%	$23,196.03	$7,597.69	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$30,793.71	$4,351,519.36
CB3	939335M77	$3,272,166.00	$3,170,267.13	6.3855204305%	6.3855204305%	$16,869.84	$5,525.59	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$22,395.43	$3,164,741.54
CB4	939335N35	$1,227,062.00	$1,188,849.93	6.3855204305%	6.3855204305%	$6,326.19	$2,072.10	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$8,398.28	$1,186,777.83
CB5	939335N43	$1,227,062.00	$1,188,849.93	6.3855204305%	6.3855204305%	$6,326.19	$2,072.10	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$8,398.28	$1,186,777.83
CB6	939335N50	$1,636,088.00	$1,585,138.79	6.3855204305%	6.3855204305%	$8,434.95	$2,762.80	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$11,197.75	$1,582,375.99
R	939335M85	$50.00	$0.00	0.0000000000%	0.0000000000%	$0.02	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.02	$0.00
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
Total		$818,041,628.00	$175,495,767.85			$934,109.61	$11,661,623.94	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$12,595,733.55	$163,834,143.91

WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: WAMMS.02MS2
Distribution Date: 12/26/2003

Class	Orig Face	Beg Bal	Prin Loss	Prin Reimbursed	Subsequent Recoveries	Deferred Interest	Total Prin	End Cert Pct	End Cert Bal
IA1	$86,334,000.00	$1,528,937.77	$0.00	$0.00	$0.00	$0.00	$1,528,937.77	0.0000000000	$0.00
IA2	$1,328,000.00	$351,870.03	$0.00	$0.00	$0.00	$0.00	$133,949.65	0.1640966717	$217,920.38
IA3	$15,211,000.00	$15,211,000.00	$0.00	$0.00	$0.00	$0.00	$3,896,652.88	0.7438266465	$11,314,347.12
IA4	$49,761,973.00	$49,761,973.00	$0.00	$0.00	$0.00	$0.00	$0.00	1.0000000000	$49,761,973.00
IA5	$40,860,000.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	0.0000000000	$0.00
IA6	$6,961,000.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	0.0000000000	$0.00
IA7	$55,281,000.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	0.0000000000	$0.00
IA8	$15,971,000.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	0.0000000000	$0.00
IA9	$2,755,000.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	0.0000000000	$0.00
IA10	$14,043,000.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	0.0000000000	$0.00
IA11	$45,500,000.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	0.0000000000	$0.00
IA12	$5,687,500.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	0.0000000000	$0.00
IA13	$5,687,500.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	0.0000000000	$0.00
IA14	$43,167,000.00	$764,468.89	$0.00	$0.00	$0.00	$0.00	$764,468.89	0.0000000000	$0.00
IA15	$43,167,000.00	$764,468.89	$0.00	$0.00	$0.00	$0.00	$0.00	0.0000000000	$0.00
IA16	$25,336,500.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	0.0000000000	$0.00
IA17	$1,672,000.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	0.0000000000	$0.00
IA18	$3,653,000.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	0.0000000000	$0.00
IA19	$2,408,000.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	0.0000000000	$0.00
IA20	$1,576,000.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	0.0000000000	$0.00
IA21	$1,676,000.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	0.0000000000	$0.00
IA22	$1,026,000.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	0.0000000000	$0.00
IA23	$2,375,000.00	$1,696,310.52	$0.00	$0.00	$0.00	$0.00	$1,696,310.52	0.0000000000	$0.00
IA24	$2,878,000.00	$2,878,000.00	$0.00	$0.00	$0.00	$0.00	$45,034.94	0.9843520014	$2,832,965.06
IA25	$5,416,000.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	0.0000000000	$0.00
IA26	$2,263,000.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	0.0000000000	$0.00
IA27	$2,094,000.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	0.0000000000	$0.00
IA28	$15,000,561.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	0.0000000000	$0.00
IA29	$3,461,669.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	0.0000000000	$0.00
IA30	$751,770.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	0.0000000000	$0.00
IA31	$20,281,000.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	0.0000000000	$0.00

WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: WAMMS.02MS2
Distribution Date: 12/26/2003

Class	Orig Face	Beg Bal	Prin Loss	Prin Reimbursed	Subsequent Recoveries	Deferred Interest	Total Prin	End Cert Pct	End Cert Bal
IA32	$22,891,000.00	$764,557.43	$0.00	$0.00	$0.00	$0.00	$764,557.43	0.0000000000	$0.00
IA33	$2,340,115.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	0.0000000000	$0.00
IIA1	$189,820,305.00	$28,394,887.44	$0.00	$0.00	$0.00	$0.00	$1,746,117.55	0.1403894588	$26,648,769.89
IIIA1	$106,224,056.00	$52,398,475.34	$0.00	$0.00	$0.00	$0.00	$1,021,056.68	0.4836702777	$51,377,418.66
CX	$3,577,565.00	$640,931.71	$0.00	$0.00	$0.00	$0.00	$0.00	0.1702942309	$609,238.68
CP	$3,108,160.00	$1,138,545.90	$0.00	$0.00	$0.00	$0.00	$28,621.29	0.3571002168	$1,109,924.61
CB1	$9,407,478.00	$9,114,518.70	$0.00	$0.00	$0.00	$0.00	$15,886.07	0.9671702267	$9,098,632.63
CB2	$4,499,228.00	$4,359,117.05	$0.00	$0.00	$0.00	$0.00	$7,597.69	0.9671702256	$4,351,519.36
CB3	$3,272,166.00	$3,170,267.13	$0.00	$0.00	$0.00	$0.00	$5,525.59	0.9671702291	$3,164,741.54
CB4	$1,227,062.00	$1,188,849.93	$0.00	$0.00	$0.00	$0.00	$2,072.10	0.9671702245	$1,186,777.83
CB5	$1,227,062.00	$1,188,849.93	$0.00	$0.00	$0.00	$0.00	$2,072.10	0.9671702245	$1,186,777.83
CB6	$1,636,088.00	$1,585,138.79	$0.00	$0.00	$0.00	$0.00	$2,762.80	0.9671704639	$1,582,375.99
R	$50.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	0.0000000000	$0.00
R_SYN	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00	0.0000000000	$0.00
Total	$818,041,628.00	$175,495,767.85	$0.00	$0.00	$0.00	$0.00	$11,661,623.94	0.2002760475	$163,834,143.91

WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: WAMMS.02MS2
Distribution Date: 12/26/2003
PER $1000 DENOMINATION
Class	Orig Face	Beg Bal	Prin Loss	Prin Reimbursed	Subsequent Recoveries	Deferred Interest	Total Prin	End Cert Pct	End Cert Bal
IA1	$86,334,000.00	17.70956715	0.00000000	0.00000000	0.00000000	0.00000000	17.70956715	0.0000000000	0.00000000
IA2	$1,328,000.00	264.96237199	0.00000000	0.00000000	0.00000000	0.00000000	100.86570030	0.1640966717	164.09667169
IA3	$15,211,000.00	1,000.00000000	0.00000000	0.00000000	0.00000000	0.00000000	256.17335349	0.7438266465	743.82664651
IA4	$49,761,973.00	1,000.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	1.0000000000	1,000.00000000
IA5	$40,860,000.00	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.0000000000	0.00000000
IA6	$6,961,000.00	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.0000000000	0.00000000
IA7	$55,281,000.00	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.0000000000	0.00000000
IA8	$15,971,000.00	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.0000000000	0.00000000
IA9	$2,755,000.00	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.0000000000	0.00000000
IA10	$14,043,000.00	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.0000000000	0.00000000
IA11	$45,500,000.00	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.0000000000	0.00000000
IA12	$5,687,500.00	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.0000000000	0.00000000
IA13	$5,687,500.00	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.0000000000	0.00000000
IA14	$43,167,000.00	17.70956726	0.00000000	0.00000000	0.00000000	0.00000000	17.70956726	0.0000000000	0.00000000
IA15	$43,167,000.00	17.70956726	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.0000000000	0.00000000
IA16	$25,336,500.00	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.0000000000	0.00000000
IA17	$1,672,000.00	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.0000000000	0.00000000
IA18	$3,653,000.00	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.0000000000	0.00000000
IA19	$2,408,000.00	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.0000000000	0.00000000
IA20	$1,576,000.00	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.0000000000	0.00000000
IA21	$1,676,000.00	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.0000000000	0.00000000
IA22	$1,026,000.00	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.0000000000	0.00000000
IA23	$2,375,000.00	714.23600842	0.00000000	0.00000000	0.00000000	0.00000000	714.23600842	0.0000000000	0.00000000
IA24	$2,878,000.00	1,000.00000000	0.00000000	0.00000000	0.00000000	0.00000000	15.64799861	0.9843520014	984.35200139
IA25	$5,416,000.00	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.0000000000	0.00000000
IA26	$2,263,000.00	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.0000000000	0.00000000
IA27	$2,094,000.00	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.0000000000	0.00000000
IA28	$15,000,561.00	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.0000000000	0.00000000
IA29	$3,461,669.00	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.0000000000	0.00000000
IA30	$751,770.00	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.0000000000	0.00000000
IA31	$20,281,000.00	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.0000000000	0.00000000

WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: WAMMS.02MS2
Distribution Date: 12/26/2003
PER $1000 DENOMINATION
Class	Orig Face	Beg Bal	Prin Loss	Prin Reimbursed	Subsequent Recoveries	Deferred Interest	Total Prin	End Cert Pct	End Cert Bal
IA32	$22,891,000.00	33.39991394	0.00000000	0.00000000	0.00000000	0.00000000	33.39991394	0.0000000000	0.00000000
IA33	$2,340,115.00	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.0000000000	0.00000000
IIA1	$189,820,305.00	149.58825106	0.00000000	0.00000000	0.00000000	0.00000000	9.19879225	0.1403894588	140.38945881
IIIA1	$106,224,056.00	493.28257000	0.00000000	0.00000000	0.00000000	0.00000000	9.61229234	0.4836702777	483.67027766
CX	$3,577,565.00	179.15305802	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.1702942309	170.29423085
CP	$3,108,160.00	366.30865206	0.00000000	0.00000000	0.00000000	0.00000000	9.20843522	0.3571002168	357.10021685
CB1	$9,407,478.00	968.85889077	0.00000000	0.00000000	0.00000000	0.00000000	1.68866406	0.9671702267	967.17022671
CB2	$4,499,228.00	968.85889090	0.00000000	0.00000000	0.00000000	0.00000000	1.68866526	0.9671702256	967.17022565
CB3	$3,272,166.00	968.85889347	0.00000000	0.00000000	0.00000000	0.00000000	1.68866433	0.9671702291	967.17022914
CB4	$1,227,062.00	968.85889222	0.00000000	0.00000000	0.00000000	0.00000000	1.68866773	0.9671702245	967.17022449
CB5	$1,227,062.00	968.85889222	0.00000000	0.00000000	0.00000000	0.00000000	1.68866773	0.9671702245	967.17022449
CB6	$1,636,088.00	968.85912616	0.00000000	0.00000000	0.00000000	0.00000000	1.68866222	0.9671704639	967.17046394
R	$50.00	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.0000000000	0.00000000
R_SYN	$0.00	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.0000000000	0.00000000

WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: WAMMS.02MS2
Distribution Date: 12/26/2003

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
IA1	$86,334,000.00	5.5000000000%	5.5000000000%	$1,528,937.77	$7,007.63	$0.00	$0.00	$0.00	$7,007.63
IA2	$1,328,000.00	0.0000000000%	0.0000000000%	$351,870.03	$0.00	$0.00	$0.00	$0.00	$0.00
IA3	$15,211,000.00	6.5000000000%	6.5000000000%	$15,211,000.00	$82,392.92	$0.00	$0.00	$0.00	$82,392.92
IA4	$49,761,973.00	6.5000000000%	6.5000000000%	$49,761,973.00	$269,544.02	$0.00	$0.00	$0.00	$269,544.02
IA5	$40,860,000.00	0.0000000000%	0.0000000000%	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
IA6	$6,961,000.00	0.0000000000%	0.0000000000%	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
IA7	$55,281,000.00	0.0000000000%	0.0000000000%	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
IA8	$15,971,000.00	0.0000000000%	0.0000000000%	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
IA9	$2,755,000.00	0.0000000000%	0.0000000000%	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
IA10	$14,043,000.00	0.0000000000%	0.0000000000%	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
IA11	$45,500,000.00	0.0000000000%	0.0000000000%	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
IA12	$5,687,500.00	0.0000000000%	0.0000000000%	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
IA13	$5,687,500.00	0.0000000000%	0.0000000000%	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
IA14	$43,167,000.00	1.5750000000%	1.5750000000%	$764,468.89	$1,003.37	$0.00	$0.00	$0.00	$1,003.37
IA15	$43,167,000.00	6.9250000000%	6.9250000000%	$764,468.89	$4,411.62	$0.00	$0.00	$0.00	$4,411.62
IA16	$25,336,500.00	0.0000000000%	0.0000000000%	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
IA17	$1,672,000.00	0.0000000000%	0.0000000000%	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
IA18	$3,653,000.00	0.0000000000%	0.0000000000%	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
IA19	$2,408,000.00	0.0000000000%	0.0000000000%	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
IA20	$1,576,000.00	0.0000000000%	0.0000000000%	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
IA21	$1,676,000.00	0.0000000000%	0.0000000000%	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
IA22	$1,026,000.00	0.0000000000%	0.0000000000%	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
IA23	$2,375,000.00	7.0000000000%	7.0000000000%	$1,696,310.52	$9,895.14	$0.00	$0.00	$0.00	$9,895.14
IA24	$2,878,000.00	7.0000000000%	7.0000000000%	$2,878,000.00	$16,788.33	$0.00	$0.00	$0.00	$16,788.33
IA25	$5,416,000.00	0.0000000000%	0.0000000000%	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
IA26	$2,263,000.00	0.0000000000%	0.0000000000%	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
IA27	$2,094,000.00	0.0000000000%	0.0000000000%	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
IA28	$15,000,561.00	0.0000000000%	0.0000000000%	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
IA29	$3,461,669.00	0.0000000000%	0.0000000000%	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
IA30	$751,770.00	0.0000000000%	0.0000000000%	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
IA31	$20,281,000.00	0.0000000000%	0.0000000000%	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00

WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: WAMMS.02MS2
Distribution Date: 12/26/2003

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
IA32	$22,891,000.00	6.5000000000%	6.5000000000%	$764,557.43	$4,141.35	$0.00	$0.00	$0.00	$4,141.35
IA33	$2,340,115.00	0.0000000000%	0.0000000000%	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
IIA1	$189,820,305.00	6.0000000000%	6.0000000000%	$28,394,887.44	$141,974.44	$0.00	$0.00	$0.00	$141,974.44
IIIA1	$106,224,056.00	6.5000000000%	6.5000000000%	$52,398,475.34	$283,825.07	$0.00	$0.00	$0.00	$283,825.07
CX	$3,577,565.00	6.5000000000%	6.4999999572%	$640,931.71	$3,471.71	$0.00	$0.00	$0.00	$3,471.71
CP	$3,108,160.00	0.0000000000%	0.0000000000%	$1,138,545.90	$0.00	$0.00	$0.00	$0.00	$0.00
CB1	$9,407,478.00	6.3855204305%	6.3855204305%	$9,114,518.70	$48,500.79	$0.00	$0.00	$0.00	$48,500.79
CB2	$4,499,228.00	6.3855204305%	6.3855204305%	$4,359,117.05	$23,196.03	$0.00	$0.00	$0.00	$23,196.03
CB3	$3,272,166.00	6.3855204305%	6.3855204305%	$3,170,267.13	$16,869.84	$0.00	$0.00	$0.00	$16,869.84
CB4	$1,227,062.00	6.3855204305%	6.3855204305%	$1,188,849.93	$6,326.19	$0.00	$0.00	$0.00	$6,326.19
CB5	$1,227,062.00	6.3855204305%	6.3855204305%	$1,188,849.93	$6,326.19	$0.00	$0.00	$0.00	$6,326.19
CB6	$1,636,088.00	6.3855204305%	6.3855204305%	$1,585,138.79	$8,434.95	$0.00	$0.00	$0.00	$8,434.95
R	$50.00	0.0000000000%	0.0000000000%	$0.00	$0.02	$0.00	$0.00	$0.00	$0.02
R_SYN	$0.00	0.0000000000%	0.0000000000%	$0.00	$0.00	$0.00	$0.00	$0.00	$0.00
Total	$818,041,628.00			$175,495,767.85	$934,109.61	$0.00	$0.00	$0.00	$934,109.61

WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: WAMMS.02MS2
Distribution Date: 12/26/2003
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
IA1	$86,334,000.00	5.5000000000%	5.5000000000%	17.70956715	0.08116883	0.00000000	0.00000000	0.00000000	0.08116883
IA2	$1,328,000.00	0.0000000000%	0.0000000000%	264.96237199	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000
IA3	$15,211,000.00	6.5000000000%	6.5000000000%	1,000.00000000	5.41666689	0.00000000	0.00000000	0.00000000	5.41666689
IA4	$49,761,973.00	6.5000000000%	6.5000000000%	1,000.00000000	5.41666666	0.00000000	0.00000000	0.00000000	5.41666666
IA5	$40,860,000.00	0.0000000000%	0.0000000000%	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000
IA6	$6,961,000.00	0.0000000000%	0.0000000000%	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000
IA7	$55,281,000.00	0.0000000000%	0.0000000000%	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000
IA8	$15,971,000.00	0.0000000000%	0.0000000000%	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000
IA9	$2,755,000.00	0.0000000000%	0.0000000000%	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000
IA10	$14,043,000.00	0.0000000000%	0.0000000000%	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000
IA11	$45,500,000.00	0.0000000000%	0.0000000000%	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000
IA12	$5,687,500.00	0.0000000000%	0.0000000000%	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000
IA13	$5,687,500.00	0.0000000000%	0.0000000000%	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000
IA14	$43,167,000.00	1.5750000000%	1.5750000000%	17.70956726	0.02324391	0.00000000	0.00000000	0.00000000	0.02324391
IA15	$43,167,000.00	6.9250000000%	6.9250000000%	17.70956726	0.10219890	0.00000000	0.00000000	0.00000000	0.10219890
IA16	$25,336,500.00	0.0000000000%	0.0000000000%	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000
IA17	$1,672,000.00	0.0000000000%	0.0000000000%	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000
IA18	$3,653,000.00	0.0000000000%	0.0000000000%	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000
IA19	$2,408,000.00	0.0000000000%	0.0000000000%	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000
IA20	$1,576,000.00	0.0000000000%	0.0000000000%	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000
IA21	$1,676,000.00	0.0000000000%	0.0000000000%	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000
IA22	$1,026,000.00	0.0000000000%	0.0000000000%	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000
IA23	$2,375,000.00	7.0000000000%	7.0000000000%	714.23600842	4.16637474	0.00000000	0.00000000	0.00000000	4.16637474
IA24	$2,878,000.00	7.0000000000%	7.0000000000%	1,000.00000000	5.83333218	0.00000000	0.00000000	0.00000000	5.83333218
IA25	$5,416,000.00	0.0000000000%	0.0000000000%	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000
IA26	$2,263,000.00	0.0000000000%	0.0000000000%	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000
IA27	$2,094,000.00	0.0000000000%	0.0000000000%	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000
IA28	$15,000,561.00	0.0000000000%	0.0000000000%	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000
IA29	$3,461,669.00	0.0000000000%	0.0000000000%	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000
IA30	$751,770.00	0.0000000000%	0.0000000000%	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000
IA31	$20,281,000.00	0.0000000000%	0.0000000000%	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000

WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: WAMMS.02MS2
Distribution Date: 12/26/2003
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
IA32	$22,891,000.00	6.5000000000%	6.5000000000%	33.39991394	0.18091608	0.00000000	0.00000000	0.00000000	0.18091608
IA33	$2,340,115.00	0.0000000000%	0.0000000000%	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000
IIA1	$189,820,305.00	6.0000000000%	6.0000000000%	149.58825106	0.74794127	0.00000000	0.00000000	0.00000000	0.74794127
IIIA1	$106,224,056.00	6.5000000000%	6.5000000000%	493.28257000	2.67194721	0.00000000	0.00000000	0.00000000	2.67194721
CX	$3,577,565.00	6.5000000000%	6.4999999572%	179.15305802	0.97041144	0.00000000	0.00000000	0.00000000	0.97041144
CP	$3,108,160.00	0.0000000000%	0.0000000000%	366.30865206	0.00000000	0.00000000	0.00000000	0.00000000	0.00000000
CB1	$9,407,478.00	6.3855204305%	6.3855204305%	968.85889077	5.15555710	0.00000000	0.00000000	0.00000000	5.15555710
CB2	$4,499,228.00	6.3855204305%	6.3855204305%	968.85889090	5.15555780	0.00000000	0.00000000	0.00000000	5.15555780
CB3	$3,272,166.00	6.3855204305%	6.3855204305%	968.85889347	5.15555751	0.00000000	0.00000000	0.00000000	5.15555751
CB4	$1,227,062.00	6.3855204305%	6.3855204305%	968.85889222	5.15555856	0.00000000	0.00000000	0.00000000	5.15555856
CB5	$1,227,062.00	6.3855204305%	6.3855204305%	968.85889222	5.15555856	0.00000000	0.00000000	0.00000000	5.15555856
CB6	$1,636,088.00	6.3855204305%	6.3855204305%	968.85912616	5.15556009	0.00000000	0.00000000	0.00000000	5.15556009
R	$50.00	0.0000000000%	0.0000000000%	0.00000000	0.40000000	0.00000000	0.00000000	0.00000000	0.40000000
R_SYN	$0.00	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
12/2003 DISTRIBUTION REPORT
SERIES: WAMMS 02MS2
WEIGHTED AVERAGE PC RATE: 6.38723%
WEIGHTED AVERAGE MATURITY: 296.60242
WEIGHTED AVERAGE LOAN AGE: 22.37962
POOL NUMBER: Group 1(1833,1834,1835)
ISSUE DATE: 03/27/2002
CERTIFICATE BALANCE AT ISSUE: $818,041,628.00
	TOTAL NUMBER OF MORTAGES	CERTIFICATE ACCOUNT ACTIVITY (@ PCRATE)	CERTIFICATE BALANCE OUTSTANDING
BALANCES FROM LAST FISCAL MONTH-END:	419		$175,495,768.51
PRINCIPAL POOL COLLECTION(S):
Scheduled Principal Collection Due Current Month		$285,050.78
Unscheduled Principal Collection/Reversals		$64,838.40
Liquidations-in-full	27	$11,311,734.76
Subsequent Recoveries		$0.00
Net principal Distributed		$11,661,623.94	-$11,661,623.94

CAPITAL LOSS (PRINCIPAL WRITTEN OFF):			$0.00

BALANCE CURRENT FISCAL MONTH-END:	392		$163,834,144.57

SCHEDULED INTEREST AT MORTGAGE RATE:		$1,005,437.62

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
12/2003 DISTRIBUTION REPORT
	TOTAL NUMBER OF MORTAGES	CERTIFICATE ACCOUNT ACTIVITY (@ PCRATE)	CERTIFICATE BALANCE OUTSTANDING
SCHEDULED SERVICING FEE EXPENSES:		$71,328.01

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:		$12,595,733.55

WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
MASTER SERVICING
MORTGAGE PASS-THROUGH CERTIFICATES
12/2003 DISTRIBUTION REPORT
SERIES: WAMMS 02MS2
WEIGHTED AVERAGE PC RATE: 6.48059%
WEIGHTED AVERAGE MATURITY: 332.37366
WEIGHTED AVERAGE LOAN AGE: 22.76879
POOL NUMBER: 1833
ISSUE DATE: 03/27/2002
CERTIFICATE BALANCE AT ISSUE: $513,088,301.53
	TOTAL NUMBER OF MORTAGES	CERTIFICATE ACCOUNT ACTIVITY (@ PCRATE)	CERTIFICATE BALANCE OUTSTANDING
BALANCES FROM LAST FISCAL MONTH-END:	204		$86,787,646.24
PRINCIPAL POOL COLLECTION(S):
Scheduled Principal Collection Due Current Month		$86,457.74
Unscheduled Principal Collection/Reversals		$11,673.39
Liquidations-in-full	20	$8,759,791.02
Subsequent Recoveries		$0.00
Net principal Distributed		$8,857,922.15	-$8,857,922.15

CAPITAL LOSS (PRINCIPAL WRITTEN OFF):			$0.00

BALANCE CURRENT FISCAL MONTH-END:	184		$77,929,724.09

SCHEDULED INTEREST AT MORTGAGE RATE:		$504,314.42

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
12/2003 DISTRIBUTION REPORT
	TOTAL NUMBER OF MORTAGES	CERTIFICATE ACCOUNT ACTIVITY (@ PCRATE)	CERTIFICATE BALANCE OUTSTANDING
SCHEDULED SERVICING FEE EXPENSES:		$35,618.23

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:		$9,326,618.34

WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
MASTER SERVICING
MORTGAGE PASS-THROUGH CERTIFICATES
12/2003 DISTRIBUTION REPORT
SERIES: WAMMS 02MS2
WEIGHTED AVERAGE PC RATE: 5.96859%
WEIGHTED AVERAGE MATURITY: 152.60064
WEIGHTED AVERAGE LOAN AGE: 23.07825
POOL NUMBER: 1834
ISSUE DATE: 03/27/2002
CERTIFICATE BALANCE AT ISSUE: $195,725,782.02
	TOTAL NUMBER OF MORTAGES	CERTIFICATE ACCOUNT ACTIVITY (@ PCRATE)	CERTIFICATE BALANCE OUTSTANDING
BALANCES FROM LAST FISCAL MONTH-END:	86		$33,435,517.35
PRINCIPAL POOL COLLECTION(S):
Scheduled Principal Collection Due Current Month		$141,889.70
Unscheduled Principal Collection/Reversals		$43,379.66
Liquidations-in-full	5	$1,594,392.70
Subsequent Recoveries		$0.00
Net principal Distributed		$1,779,662.06	-$1,779,662.06

CAPITAL LOSS (PRINCIPAL WRITTEN OFF):			$0.00

BALANCE CURRENT FISCAL MONTH-END:	81		$31,655,855.29

SCHEDULED INTEREST AT MORTGAGE RATE:		$180,268.62

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
12/2003 DISTRIBUTION REPORT
	TOTAL NUMBER OF MORTAGES	CERTIFICATE ACCOUNT ACTIVITY (@ PCRATE)	CERTIFICATE BALANCE OUTSTANDING
SCHEDULED SERVICING FEE EXPENSES:		$13,966.10

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:		$1,945,964.58

WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
MASTER SERVICING
MORTGAGE PASS-THROUGH CERTIFICATES
12/2003 DISTRIBUTION REPORT
SERIES: WAMMS 02MS2
WEIGHTED AVERAGE PC RATE: 6.49387%
WEIGHTED AVERAGE MATURITY: 329.24582
WEIGHTED AVERAGE LOAN AGE: 21.41291
POOL NUMBER: 1835
ISSUE DATE: 03/27/2002
CERTIFICATE BALANCE AT ISSUE: $109,227,544.45
	TOTAL NUMBER OF MORTAGES	CERTIFICATE ACCOUNT ACTIVITY (@ PCRATE)	CERTIFICATE BALANCE OUTSTANDING
BALANCES FROM LAST FISCAL MONTH-END:	129		$55,272,604.92
PRINCIPAL POOL COLLECTION(S):
Scheduled Principal Collection Due Current Month		$56,703.34
Unscheduled Principal Collection/Reversals		$9,785.35
Liquidations-in-full	2	$957,551.04
Subsequent Recoveries		$0.00
Net principal Distributed		$1,024,039.73	-$1,024,039.73

CAPITAL LOSS (PRINCIPAL WRITTEN OFF):			$0.00

BALANCE CURRENT FISCAL MONTH-END:	127		$54,248,565.19

SCHEDULED INTEREST AT MORTGAGE RATE:		$320,854.58

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
12/2003 DISTRIBUTION REPORT
	TOTAL NUMBER OF MORTAGES	CERTIFICATE ACCOUNT ACTIVITY (@ PCRATE)	CERTIFICATE BALANCE OUTSTANDING
SCHEDULED SERVICING FEE EXPENSES:		$21,743.68

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:		$1,323,150.63

WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
MASTER SERVICING
MORTGAGE PASS-THROUGH CERTIFICATES
12/2003 DISTRIBUTION REPORT
SERIES: WAMMS 02MS2
WEIGHTED AVERAGE PC RATE: 6.38723%
WEIGHTED AVERAGE MATURITY: 296.60242
WEIGHTED AVERAGE LOAN AGE: 22.37962
POOL NUMBER: ALL
ISSUE DATE: 03/27/2002
CERTIFICATE BALANCE AT ISSUE: $818,041,628.00
	TOTAL NUMBER OF MORTAGES	CERTIFICATE ACCOUNT ACTIVITY (@ PCRATE)	CERTIFICATE BALANCE OUTSTANDING
BALANCES FROM LAST FISCAL MONTH-END:	419		$175,495,768.51
PRINCIPAL POOL COLLECTION(S):
Scheduled Principal Collection Due Current Month		$285,050.78
Unscheduled Principal Collection/Reversals		$64,838.40
Liquidations-in-full	27	$11,311,734.76
Subsequent Recoveries		$0.00
Net principal Distributed		$11,661,623.94	-$11,661,623.94

CAPITAL LOSS (PRINCIPAL WRITTEN OFF):			$0.00

BALANCE CURRENT FISCAL MONTH-END:	392		$163,834,144.57

SCHEDULED INTEREST AT MORTGAGE RATE:		$1,005,437.62

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
12/2003 DISTRIBUTION REPORT
	TOTAL NUMBER OF MORTAGES	CERTIFICATE ACCOUNT ACTIVITY (@ PCRATE)	CERTIFICATE BALANCE OUTSTANDING
SCHEDULED SERVICING FEE EXPENSES:		$71,328.01

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:		$12,595,733.55

WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: WAMMS.02MS2
Distribution Date: 12/26/2003

Distribution by Group
Pool ID		Principal		Interest		Total
Group 1(1833,1834,1835)		$11,661,623.94		$934,109.61		$12,595,733.55
Pool - 1833		$8,857,922.15		$468,696.19		$9,326,618.34
Pool - 1834		$1,779,662.06		$166,302.52		$1,945,964.58
Pool - 1835		$1,024,039.73		$299,110.90		$1,323,150.63
Aggregate		$11,661,623.94		$934,109.61		$12,595,733.55

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
Group 1(1833,1834,1835)	$175,495,768.51	419	27	392	$163,834,144.57	$285,050.78	$11,311,734.76	$64,838.40	$11,661,623.94
Pool - 1833	$86,787,646.24	204	20	184	$77,929,724.09	$86,457.74	$8,759,791.02	$11,673.39	$8,857,922.15
Pool - 1834	$33,435,517.35	86	5	81	$31,655,855.29	$141,889.70	$1,594,392.70	$43,379.66	$1,779,662.06
Pool - 1835	$55,272,604.92	129	2	127	$54,248,565.19	$56,703.34	$957,551.04	$9,785.35	$1,024,039.73
Aggregate	$175,495,768.51	419	27	392	$163,834,144.57	$285,050.78	$11,311,734.76	$64,838.40	$11,661,623.94

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
Group 1(1833,1834,1835)	7	$2,761,168.61	0	$0.00	0	$0.00	0	$0.00
Pool - 1833	4	$1,604,227.58	0	$0.00	0	$0.00	0	$0.00
Pool - 1834	3	$1,156,941.03	0	$0.00	0	$0.00	0	$0.00
Pool - 1835	0	$0.00	0	$0.00	0	$0.00	0	$0.00
Aggregate	7	$2,761,168.61	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
Group 1(1833,1834,1835)		0		$0.00		1		$333,758.33
Pool - 1833		0		$0.00		1		$333,758.33
Pool - 1834		0		$0.00		0		$0.00
Pool - 1835		0		$0.00		0		$0.00
Aggregate		0		$0.00		1		$333,758.33

Aggregate Loss Amounts by Group
Pool ID			Count			Loss Amount
Group 1(1833,1834,1835)			0			$0.00
Aggregate			0			$0.00

WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: WAMMS.02MS2
Distribution Date: 12/26/2003

INSURANCE RESERVES - Group 1(1833,1834,1835)
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	$8,180,416.00	$0.00	$0.00	$0.00	$8,180,416.00
Bankruptcy Bond
Single-Units	$147,009.00	$0.00	$0.00	$0.00	$147,009.00
Multi-Units	$0.00	$0.00	$0.00	$0.00	$0.00
Mortgage Repurchase	$16,360,832.00	$0.00	$0.00	$0.00	$16,360,832.00

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	$8,180,416.00	$0.00	$0.00	$0.00	$8,180,416.00
Bankruptcy Bond
Single-Units	$147,009.00	$0.00	$0.00	$0.00	$147,009.00
Multi-Units	$0.00	$0.00	$0.00	$0.00	$0.00
Mortgage Repurchase	$16,360,832.00	$0.00	$0.00	$0.00	$16,360,832.00

WASHINGTON MUTUAL MORTGAGE SECURITIES CORP.
Series: WAMMS.02MS2
Distribution Date: 12/26/2003

The Class Principal Balances of each Class of the Class CB1,CB2,CB3,CB4,CB5,CB6 Certificatesimmediately after the principal and interest distribution on 200312 are as follows:

Class			Class Principal Balance
CB1			$9,098,632.63
CB2			$4,351,519.36
CB3			$3,164,741.54
CB4			$1,186,777.83
CB5			$1,186,777.83
CB6			$1,582,375.99
Total			$20,570,825.19
Capitalized items used but not defined herein have the meanings ascribed to them in the Prospectus Supplement.

PASS THROUGH CERTIFICATES SERIES 2002-MS2 8-K