Deal Name: Credit Suisse First Boston Mortgage Securities Corp.

Moody's Investors Service has downgraded three classes of Credit Suisse First Boston Mortgage Securities Corp., 2001-FL2, because of expected losses from loans in special servicing.The deal has a balance of $73.3 million, down 88.2 percent from $619.1 million at issuance. ...

  ClassAmt$mlnSubLevel%AvgLife (yrs)RatingFitchRatingMoody'sFinalPricing (bp)BnchmarkA50.0088.0011.2AAAAaa+33swapsB-181.00NA13.2AA+Aa1+39swapsB-265.1052.8014.3AA+Aa1+45swapsC60.8038.1014.3AAAa2+50swapsD63.1022.9014.3AA-Aa3+54swapsE13.3019.7014.3A+A1+57swapsF13.5016.5014.3AA2+61swapsG11.8013.6014.3A-A3+63swapsH10.1011.2014.3BBB+Baa1+85swapsJ10.308.7014.3BBBBaa2+95swapsK36.158.70NABBB-Baa3NAswaps*Notional amount, interest onlyCollateral balance: $415.15 millionBookrunner(s): Credit Suisse Lead Managers: Credit SuisseCo-manager: RBS Greenwich Capital MarketsMaster Servicer: KeyCorp Real Estate Capital MarketsSpecial Servicer: KeyCorp Real Estate Capital MarketsTrustee: Wells FargoOriginators: Column Financial Number of Loans/Properties: 1/1Property ...

Moody's Investors Service has downgraded two classes of Credit Suisse First Boston Mortgage Securities Corp., 1998-C2, because of losses from loans in special servicing.So far, 11 loans have been liquidated, resulting in $32.5 million of losses. And four other loans ...

Standard & Poor's has upgraded 12 classes of Credit Suisse First Boston Mortgage Securities Corp., 2002-CKS4, because of improved subordination levels. The deal has a balance of $1.18 billion, down 4 percent from $1.23 billion at issuance. And three loans ...

Standard & Poor's has upgraded nine classes of Credit Suisse First Boston Mortgage Securities Corp., 2002-CKN2, because of improved subordination levels. The deal has a balance of $868.7 million, down more than 6 percent from $918.1 million at issuance. Another ...

Moody's Investors Service has upgraded three classes of Credit Suisse First Boston Mortgage Securities, 2004-TFL1, because of improved subordination levels.  The deal has a remaining balance of $205.9 million, down 73.1 percent from $764.7 million at issuance. Moody's upgraded the ...

  ClassAmt$mlnSubLevel%AvgLife (yrs)RatingS&PRatingFitchFinalPricing (bp)BnchmarkA-1188.0047.501.7AAAAAA+20LiborA-2157.0030.001.8AAAAAA+28LiborB21.0026.101.9AA+AA++31LiborC20.0022.001.9AAAA+35LiborD13.0019.401.9AA-AA-+39LiborE13.0016.801.9A+A++47LiborF13.0014.101.9AA+50LiborG13.0011.501.9A-A-+53LiborH13.008.902.4BBB+BBB++75LiborJ15.005.802.9BBBBBB+140LiborK19.002.00NANABBB-NALiborL9.95NANANABBB-NALiborX-1*441.14NANANAAAANALiborX-2*53.80NA NANAAAANALibor*Notional amount, interest onlyCollateral balance: $494.95 millionBookrunner(s): Credit Suisse First BostonLead Managers: Credit Suisse First BostonCo-managers: WachoviaMaster Servicer: Wachovia BankSpecial Servicer: Wachovia BankTrustee: Wells Fargo BankOriginators: Column Financial (100 percent)Number of Loans/Properties: 6/7Top-10 Concentration: 45 percentProperty ...

  ClassAmt$mlnSubLevel%AvgLife (yrs)RatingS&PRatingMoody'sFinalPricing (bp)BnchmarkA-1104.0030.002.6AAAAaa+9swapsA-2FX135.0030.004.7AAAAaa+23swapsA-2FL150.0030.004.7AAANA+12.5LiborA-3195.9430.007.4AAAAaa+36swapsA-4628.0030.009.7AAAAaa+30swapsA-M250.4620.009.9AAAAaa+35swapsA-J178.4512.889.9AAAAaa+42swapsB43.8311.139.9AAAa2+50swapsC28.1810.009.9AA-Aa3+53swapsD18.799.259.9A+A1+57swapsE25.058.259.9AA2+60swapsF31.317.009.9A-A3+70swapsG31.315.7510.0BBB+Baa1+113swapsH25.054.7510.0BBBBaa2+120swapsJ28.183.6310.0BBB-Baa3+195swapsK12.523.13NANABa1NAswapsL12.522.63NANABa2NAswapsM6.262.38NANABa3NAswapsN9.392.00NANANANAswapsO9.391.63NANANANAswapsP9.391.25NANANANAswapsQ31.310.00NANANANAswapsA-X2,504.59NANANAAaaNAswapsA-SPNANA5.4AAAAaa+75Treas*Notional amount, interest onlyCollateral balance: $2,504.59 million Bookrunner(s): Credit Suisse First Boston Lead Managers: Credit Suisse First Boston Co-managers: PNC Capital Markets, Keybanc Capital Markets, Greenwich Capital Markets and Nomura Securities InternationalB-piece Buyer: ING ClarionMaster Servicer: KeyCorp ...

Standard & Poor's has upgraded sevens classes of Credit Suisse First Boston Mortgage Securities Corp., 2002-C1, after a significant number of loans were defeased, or replaced with government securities. The deal has a remaining balance of $1 billion, compared with ...

Moody's Investors Service has affirmed three classes of Credit Suisse First Boston Mortgage Securities Corp., 2002-TFL1, which is down it its last loan.That loan has a balance of $39.9 million. The deal had a balance of $793.3 million at issuance. ...