SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d) of the
Securities Exchange Act of 1934
Date of Report (date of earliest event reported): 22-Feb-00
Credit Suisse First Boston Mortgage Securities Corp. Mortgage Backed
Pass-Through Certificates, Series 99-WM3
(Exact name of registrant as specified in its charter)
Delaware 333-53115 13-3320910
(State or Other Jurisdiction (Commission (I.R.S. Employer
of Incorporation) File Number) Identification No.)
11 Madison Avenue, 5th Floor
New York, New York 10010
(Address of Principal Executive Offices) (Zip Code)
Registrant's telephone number, including area code: (212) 325-2000
Item 5. Other Events
On February 22,2000 a scheduled distribution was made from the Trust
to holders of the Certificates. The Trustee has caused to be filed
with the Commission, the Monthly Report dated February 22, 2000.
The Monthly Report is filed pursuant to and in accordance with
(1) numerous no-action letters (2) current Commission policy
in the area.
A. Monthly Report Information
See Exhibit No.1
B. Have and deficiencies occurred? NO.
Date:
Amount:
C. Item 1: Legal Proceedings: NONE
D. Item 2: Changes in Securities: NONE
E. Item 4: Submission of Matters to a Vote of
Certificateholders: NONE
F. Item 5: Other Information - Form 10-Q, PartII - Items 1,2,4,5
if applicable: NOT APPLICABLE
Item 7. Monthly Statements and Exhibits
Exhibit No.
1.) Monthly Distribution Report Dated: 22-Feb-00
Washington Mutual Bank, F.A.
Mortgage-Backed Pass-Through Certificates, Series 99-WM3
STATEMENT TO CERTIFICATEHOLDERS
Distribution Date: 22-Feb-00
DISTRIBUTION SUMMARY
Original Current Princip Principal Pass-Through
Class Face Value Amount Distribution Rate
1-A-1 661924000.00 650108501.55 3360242.09 7.0000%
1-A-2 28400000.00 28400000.00 0.00 7.0000%
1-A-3 174506000.00 174506000.00 0.00 7.0000%
1-A-4 101785000.00 101785000.00 0.00 7.0000%
1-A-P 349878.20 346972.48 361.54 NA
2-A-1 100000000.00 97701726.79 1381732.13 7.5000%
2-A-2 100400000.00 98313136.75 1254631.52 7.5000%
2-A-3 17580000.00 17580000.00 0.00 7.5000%
2-A-4 23592000.00 23592000.00 0.00 7.5000%
2-A-5 28497000.00 28497000.00 0.00 7.5000%
2-A-P 202701.41 202519.98 6258.10 NA
1-M-1 34607000.00 34578291.89 29317.49 7.0000%
1-M-2 6107000.00 6101933.96 5173.57 7.0000%
1-M-3 3562000.00 3559045.16 3017.57 7.0000%
2-M-1 9673000.00 9665497.62 7665.52 7.5000%
2-M-2 1707000.00 1705676.05 1352.74 7.5000%
2-M-3 996000.00 995227.50 789.30 7.5000%
1-B-1 2036000.00 2034311.04 1724.81 7.0000%
1-B-2 2036000.00 2034311.04 1724.81 7.0000%
2-B-1 569000.00 568558.68 450.91 7.5000%
2-B-2 569000.00 568558.68 450.91 7.5000%
B-3 3256278.33 3253615.46 2719.63 7.1093%
R-1 100.00 0.00 0.00 7.0000%
R-2 100.00 0.00 0.00 7.0000%
TOTAL 1302355057.94 1286097884.63 6057612.64 0
Interest Realized Loss o Interest
Class Distributed (1) Principal Shortfall
1-A-1 3791607.12 0.00 0.00
1-A-2 165636.42 0.00 0.00
1-A-3 1017765.79 0.00 0.00
1-A-4 593637.41 0.00 0.00
1-A-P NA 0.00NA
2-A-1 610608.75 0.00 0.00
2-A-2 614429.89 0.00 0.00
2-A-3 109870.13 0.00 0.00
2-A-4 147443.47 0.00 0.00
2-A-5 178098.36 0.00 0.00
2-A-P NA 0.00NA
1-M-1 201669.87 0.00 0.00
1-M-2 35588.11 0.00 0.00
1-M-3 20757.31 0.00 0.00
2-M-1 60406.69 0.00 0.00
2-M-2 10660.01 0.00 0.00
2-M-3 6219.89 0.00 0.00
1-B-1 11864.64 0.00 0.00
1-B-2 11864.64 0.00 0.00
2-B-1 3553.33 0.00 0.00
2-B-2 3553.33 0.00 0.00
B-3 19272.79 0.00 0.00
R-1 0.11 0.00 0.00
R-2 0.00 0.00 0.00
TOTAL 7614508.06 0.00 0.00
Prepay InterestCurrent Principal
Class Shortfall Amount
1-A-1 692.47 646748259.46
1-A-2 30.25 28400000.00
1-A-3 185.88 174506000.00
1-A-4 108.42 101785000.00
1-A-P NA 346610.94
2-A-1 27.04 96319994.66
2-A-2 27.21 97058505.23
2-A-3 4.87 17580000.00
2-A-4 6.53 23592000.00
2-A-5 7.89 28497000.00
2-A-P NA 196261.88
1-M-1 36.83 34548974.40
1-M-2 6.50 6096760.39
1-M-3 3.79 3556027.59
2-M-1 2.67 9657832.10
2-M-2 0.47 1704323.31
2-M-3 0.28 994438.20
1-B-1 2.17 2032586.23
1-B-2 2.17 2032586.23
2-B-1 0.16 568107.77
2-B-2 0.16 568107.77
B-3 2.87 3250895.83
R-1 0.00 0.00
R-2 0.00 0.00
TOTAL 1148.63 1280040271.99
(1) Interest Distribution includes Reimbursement of Realized Losses,
and is net of allocated PPIS
AMOUNTS PER $1,000 UNIT
Beginning
Current Princip Principal
Class Cusip Amount Distribution
1-A-1 22540APZ5 982.14976576 5.07647719
1-A-2 22540AQA9 1000.00000000 0.00000000
1-A-3 22540AQB7 1000.00000000 0.00000000
1-A-4 22540AQC5 1000.00000000 0.00000000
1-A-P 22540AQD3 991.69505274 1.03333103
2-A-1 22540AQH4 977.01726790 13.81732130
2-A-2 22540AQJ0 979.21450946 12.49632988
2-A-3 22540AQK7 1000.00000000 0.00000000
2-A-4 22540AQL5 1000.00000000 0.00000000
2-A-5 22540AQM3 1000.00000000 0.00000000
2-A-P 22540AQN1 999.10493963 30.87349022
1-M-1 22540AQE1 999.17045367 0.84715491
1-M-2 22540AQF8 999.17045358 0.84715409
1-M-3 22540AQG6 999.17045480 0.84715609
2-M-1 22540AQR2 999.22439988 0.79246563
2-M-2 22540AQS0 999.22439953 0.79246632
2-M-3 22540AQT8 999.22439759 0.79246988
1-B-1 N/A 999.17045187 0.84715619
1-B-2 N/A 999.17045187 0.84715619
2-B-1 N/A 999.22439367 0.79246046
2-B-2 N/A 999.22439367 0.79246046
B-3 N/A 999.18223514 0.83519580
R-1 22540AQP6 0.00000000 0.00000000
R-2 22540AQQ4 0.00000000 0.00000000
Ending
Interest Current Principal
Class Distribution Amount
1-A-1 5.72816082 977.07328856
1-A-2 5.83226831 1000.00000000
1-A-3 5.83226817 1000.00000000
1-A-4 5.83226811 1000.00000000
1-A-P NA 990.66172171
2-A-1 6.10608750 963.19994660
2-A-2 6.11981962 966.71817958
2-A-3 6.24972298 1000.00000000
2-A-4 6.24972321 1000.00000000
2-A-5 6.24972313 1000.00000000
2-A-P NA 968.23144940
1-M-1 5.82743000 998.32329875
1-M-2 5.82742918 998.32329949
1-M-3 5.82743122 998.32329871
2-M-1 6.24487646 998.43193425
2-M-2 6.24487991 998.43193322
2-M-3 6.24486948 998.43192771
1-B-1 5.82742633 998.32329568
1-B-2 5.82742633 998.32329568
2-B-1 6.24486819 998.43193322
2-B-2 6.24486819 998.43193322
B-3 5.91865561 998.34703933
R-1 1.09999999 0.00000000
R-2 0.00000000 0.00000000
SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, as
amended, the registrant has duly caused this report to be signed on its behalf
by the undersigned hereunto duly authorized.
Credit Suisse First Boston
Mortgage Securities Corp.
By: /s/ Barbara Grosse
--------------------------
Name: Barbara Grosse
Title: Assistant Vice President
Dated: February 29, 2000
