10-D 1 final_2007-03.txt 1 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 10-D ASSET-BACKED ISSUER DISTRIBUTION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the monthly distribution period from May 1, 2007 to May 31, 2007 Commission File Number of issuing entity: 333-130333-21 ----------------- CITICORP MORTGAGE SECURITIES TRUST, SERIES 2007-03 ------------------------------------------------------------------------ (Exact name of issuing entity as specified in its charter) Commission File Number of depositor: 333-130333 ---------------------- CITICORP MORTGAGE SECURITIES, INC. ------------------------------------------------------------------------ (Exact name of depositor as specified in its charter) CITIMORTGAGE, INC. ------------------------------------------------------------------------- (Exact name of sponsor as specified in its charter) New York ----------------------------------------------------------------------------- (State or other jurisdiction of incorporation or organization of the issuing entity) 77-0684124 and 77-0684129 and 77-0684134 ---------------------------------------------------------------------------- (I.R.S. Employer Identification No.) 1000 Technology Drive, O'Fallon, Missouri 63368-2240 ---------------------------------------- ---------- (Address of principal executive offices of the issuing entity) (Zip Code) (636) 261-1300 ------------------------------------------------------------------------- (Telephone number, including area code) -------------------------------------------------------------------------- (Former name, former address. if changed since last report.) Registered/reporting pursuant to (check one) Title Name of exchange of Class Section 12(b) Section 12(g) Section 15(d) (if Section 12(b)) Class IIA-1 { } { } {X} _____________ Class IIA-IO { } { } {X} _____________ Class IA-1 { } { } {X} _____________ Class IA-2 { } { } {X} _____________ Class IA-3 { } { } {X} _____________ Class IA-4 { } { } {X} _____________ Class IA-5 { } { } {X} _____________ Class IA-6 { } { } {X} _____________ Class IA-7 { } { } {X} _____________ Class IA-8 { } { } {X} _____________ Class IA-9 { } { } {X} _____________ Class IA-10 { } { } {X} _____________ Class IA-11 { } { } {X} _____________ Class IA-12 { } { } {X} _____________ Class IA-IO { } { } {X} _____________ Class IIIA-1 { } { } {X} _____________ Class IIIA-IO { } { } {X} _____________ Class A-PO { } { } {X} _____________ Class B-1 { } { } {X} _____________ Class B-2 { } { } {X} _____________ Class B-3 { } { } {X} _____________ Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes{X} No{ } 1 2 Part I - DISTRIBUTION INFORMATION Item 1. Distribution and Pool Performance Information On June 25, 2007 a distribution was made to holders of Citicorp Mortgage Securities, Inc. REMIC Pass-Through Certificates, Series 2007-03 issued by Citicorp Mortgage Securities Trust, Series 2007-03. The monthly distribution report is attached as an Exhibit to this Form 10-D. Please see Item 9(b), Exhibit 99.1. Part II - OTHER INFORMATION Item 9. Exhibits (a) The following are documents filed as part of this Form 10-D: (99.1) Monthly distribution report for the month of May 2007. (b) Exhibits required to be filed by Form 10-D and Item 601 of Regulation S-K: (4.1) Pooling and Servicing Agreement, dated as of April 01, 2007, among Citicorp Mortgage Securities, Inc., CitiMortgage, Inc., U.S. Bank National Association, and Citibank, N.A. (incorporated by reference to Exhibit 4.1 to the Current Report on Form 8-K filed by the issuing entity with the Securities and Exchange Commission on May 11, 2007.) (10.1) Form of Mortgage Loan Purchase Agreement, dated April 01, 2007, between Citicorp Mortgage Securities, Inc. and CitiMortgage, Inc. (incorporated by reference to Exhibit 10.1 to the Current Report on Form 8-K filed by the issuing entity with the Securities and Exchange Commission on May 11, 2007.) (99.1) Monthly distribution report for the month of May 2007. 2 3 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. CITICORP MORTGAGE SECURITIES, INC. Depositor By: /s/ Cathy Johnson ------------------------- Cathy Johnson Assistant Vice President Dated: June 22, 2007 3 Exhibit No. Description ----------- ------------- (99.1) Monthly distribution report for the month of May 2007. 4 EXHIBIT 99.1 ------------- Citicorp Mortgage Securities, Inc. Distribution Date Statement to Certificateholders Remic Pass-Through Certificate Series Name: CMSI 2007-03 Payment Date: 06/25/2007 Issuer: Citicorp Mortgage Securities, Inc. Record Date: See footnote Determination Date: 06/18/2007 Distribution Date: 25-Jun-07 Distribution #: 2 W.A.C. 6.28% Trustee U.S. Bank National Association Maryellen Hunter (617) 603-6401 Bond Administrator CitiMortgage, Inc. Valentina Polonskaya (636) 261-1342 Paying Agent: Citibank N.A. Nancy Forte (212) 816-5685

--------------------------------------------------------------------------------------------------------------------------------- Next Accrual Accrual Current Succeeding Start End Class Coupon Type Coupon Coupon Date Date Original Par CUSIP # --------------------------------------------------------------------------------------------------------------------------------- IIA-1 Fixed 5.50000% 5.50000% 0405/01/2007 0405/3031/2007 $40,333,000.00 17312FAP8 **~ IIA-IO WAC IO 0.~~23993~~23990% 0.23990% 0405/01/2007 0405/3031/2007 $38,863,803.66 17312FAQ6 ------------------- Class A-15yr Total $40,333,000.00 IA-1 PAC Spr Snr 6.00000% 6.00000% 0405/01/2007 0405/3031/2007 $100,000,000.00 17312FAA1 IA-2 PAC Spr Snr Sup 6.00000% 6.00000% 0405/01/2007 0405/3031/2007 $6,000,000.00 17312FAB9 ~ IA-3 LIBOR TAC Spr Snr 5.92000% 5.92000% 0405/25/2007 0506/24/2007 $69,421,000.00 17312FAC7 IA-4 NAS Spr Snr 6.00000% 6.00000% 0405/01/2007 0405/3031/2007 $80,195,000.00 17312FAD5 IA-5 Fixed 6.00000% 6.00000% 0405/01/2007 0405/3031/2007 $100,000,000.00 17312FAE3 **~ IA-6 Inv Libor IO 0.08000% 0.08000% 0405/25/2007 0506/24/2007 $69,421,000.00 17312FAF0 IA-7 Super Senior 6.00000% 6.00000% 0405/01/2007 0405/3031/2007 $51,500,000.00 17312FAG8 IA-8 NAS Spr Snr Sup 6.00000% 6.00000% 0405/01/2007 0405/3031/2007 $7,297,000.00 17312FAH6 IA-9 Accrual, Acc dir 6.00000% 6.00000% 0405/01/2007 0405/3031/2007 $1,000.00 17312FAJ2 IA-10 Accrual 6.00000% 6.00000% 0405/01/2007 0405/3031/2007 $1,000.00 17312FAK9 IA-11 Super Senior 6.00000% 6.00000% 0405/01/2007 0405/3031/2007 $20,077,000.00 17312FAL7 IA-12 Spr Snr Sup 6.00000% 6.00000% 0405/01/2007 0405/3031/2007 $1,000,000.00 17312FAM5 **~ IA-IO WAC IO 0.~~13187~~13033% 0.~~13033~~12968% 0405/01/2007 0405/3031/2007 $378,472,431.65 17312FAN3 ------------------- Class A-30yr REG/IO Total $435,492,000.00 IIIA-1 Fixed 5.50000% 5.50000% 0405/01/2007 0405/3031/2007 $25,166,000.00 17312FAR4 **~ IIIA-IO WAC IO 0.~~28282~~28197% 0.~~28197~~28196% 0405/01/2007 0405/3031/2007 $25,530,469.98 17312FAS2 ------------------- Class A-30yr RELO Total $25,166,000.00 ~ A-PO Principal Only 0.00000% 0.00000% 0405/01/2007 0405/3031/2007 $2,679,493.00 17312FAT0 ------------------- Class A-COMB Total $2,679,493.00 B-1 Subordinated 5.~~93478~~93489% 5.~~93489~~93501% 0405/01/2007 0405/3031/2007 $8,299,438.00 17312FAU7 B-2 Subordinated 5.~~93478~~93489% 5.~~93489~~93501% 0405/01/2007 0405/3031/2007 $2,593,575.00 17312FAV5 B-3 Subordinated 5.~~93478~~93489% 5.~~93489~~93501% 0405/01/2007 0405/3031/2007 $1,556,144.00 17312FAW3 B-4 Subordinated 5.~~93477~~93490% 5.~~93489~~93501% 0405/01/2007 0405/3031/2007 $1,037,430.00 17312FAX1 B-5 Subordinated 5.~~93479~~93489% 5.~~93489~~93501% 0405/01/2007 0405/3031/2007 $778,073.00 17312FAY9 B-6 Subordinated 5.~~93477~~93489% 5.~~93489~~93501% 0405/01/2007 0405/3031/2007 $779,789.00 17312FAZ6 ------------------- Class SUB Total $15,044,449.00 =================== $518,714,942.00 ** Denotes Notional Balance ~ These classes constitute regular interests in a separate REMIC election in the same trust. Record Date: For a distribution day, the close of business on (a) for a LIBOR class, the last day (whether or not a business day) of its last LIBOR accrual period preceding the distribution day, and (b) for any other class, the last day of the preceding month.

6 Citicorp Mortgage Securities, Inc. Distribution Date Statement to Certificate Holders Remic Pass-Through Certificate Series Name: CMSI 2007-03 Payment Date: 06/25/2007

---------------------------------------------------------------------------------------------------------------- Non Interest Supported * Interest Interest Principal CLASS Accrued Shortfall Shortfall Recoveries Recoveries Interest Paid ---------------------------------------------------------------------------------------------------------------- IIA-1 $184,~~859~~099.5806 $0.00 $0.00 $0.00 $0.00 $184,~~859~~099.5806 IIA-IO $7,~~770~~737.4751 $0.00 $0.00 $0.00 $0.00 $7,~~770~~737.4751 ----------------------------------------------------------------------------------------------------- A-15yr Total $~~192~~191,~~630~~836.0557 $0.00 $0.00 $0.00 $0.00 $~~192~~191,~~630~~836.0557 IA-1 $500,000.00 $0.00 $0.00 $0.00 $0.00 $500,000.00 IA-2 $30,000.00 $0.00 $0.00 $0.00 $0.00 $30,000.00 IA-3 $~~342~~338,~~476~~903.9343 $0.00 $0.00 $0.00 $0.00 $~~342~~338,~~476~~903.9343 IA-4 $400,975.00 $0.00 $0.00 $0.00 $0.00 $400,975.00 IA-5 $~~500~~497,~~000~~766.0001 $0.00 $0.00 $0.00 $0.00 $~~500~~497,~~000~~766.0001 IA-6 $4,~~628~~579.0778 $0.00 $0.00 $0.00 $0.00 $4,~~628~~579.0778 IA-7 $~~257~~256,~~500~~259.0034 $0.00 $0.00 $0.00 $0.00 $~~257~~256,~~500~~259.0034 IA-8 $36,485.00 $0.00 $0.00 $0.00 $0.00 $36,485.00 IA-9 $50.00 $0.00 $0.00 $0.00 $0.00 $0.00 IA-10 $5.0003 $0.00 $0.00 $0.00 $0.00 $0.00 IA-11 $100,385.00 $0.00 $0.00 $0.00 $0.00 $100,385.00 IA-12 $5,000.00 $0.00 $0.00 $0.00 $0.00 $5,000.00 IA-IO $4140,~~592~~974.0930 $0.00 $0.00 $0.00 $0.00 $4140,~~592~~974.0930 ----------------------------------------------------------------------------------------------------- A-30yr REG/I $2,~~219~~211,~~052~~332.0989 $0.00 $0.00 $0.00 $0.00 $2,~~219~~211,~~042~~327.0986 IIIA-1 $~~115~~114,~~344~~757.1706 $0.00 $0.00 $0.00 $0.00 $~~115~~114,~~344~~757.1706 IIIA-IO $65,~~017~~968.0474 $0.00 $0.00 $0.00 $0.00 $65,~~017~~968.0474 ----------------------------------------------------------------------------------------------------- A-30yr RELO $~~121~~120,~~361~~725.2180 $0.00 $0.00 $0.00 $0.00 $~~121~~120,~~361~~725.2180 A-PO $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 ----------------------------------------------------------------------------------------------------- A-COMB Total $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 RES $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 ----------------------------------------------------------------------------------------------------- RES Total $0.00 $0.00 $0.00 $0.00 $0.00 $0.00 B-1 $41,~~046~~007.1087 $0.00 $0.00 $0.00 $0.00 $41,~~046~~007.1087 B-2 $12,~~826~~814.9196 $0.00 $0.00 $0.00 $0.00 $12,~~826~~814.9196 B-3 $7,~~696~~688.1497 $0.00 $0.00 $0.00 $0.00 $7,~~696~~688.1497 B-4 $5,~~130~~125.7699 $0.00 $0.00 $0.00 $0.00 $5,~~130~~125.7699 B-5 $3,~~848~~844.0849 $0.00 $0.00 $0.00 $0.00 $3,~~848~~844.0849 B-6 $3,~~856~~852.5697 $0.00 $0.00 $0.00 $0.00 $3,~~856~~852.5697 ----------------------------------------------------------------------------------------------------- SUB Total $74,~~404~~335.5525 $0.00 $0.00 $0.00 $0.00 $74,~~404~~335.5525 ====================================================================================================== Total $2,~~607~~598,~~447~~230.9051 $0.00 $0.00 $0.00 $0.00 $2,~~607~~598,~~437~~225.9048 * Regular and residual interests have equal rights to service fee to reduce non-supported prepayment interest shortfalls.

----------------------------------------------------------------------------- Interest Cum Unpaid Relief Act Paid Per Interest Interest CLASS Certificate Shortfalls Shortfalls ----------------------------------------------------------------------------- IIA-1 4.~~58333325~~56447723 $0.00 $0.00 IIA-IO 0.~~19994106~~19909297 $0.00 $0.00 -------------------------------------- A-15yr Total $0.00 $0.00 IA-1 5.00000000 $0.00 $0.00 IA-2 5.00000000 $0.00 $0.00 IA-3 4.~~93333329~~88185751 $0.00 $0.00 IA-4 5.00000000 $0.00 $0.00 IA-5 54.~~00000000~~97766010 $0.00 $0.00 IA-6 0.~~06666671~~06597110 $0.00 $0.00 IA-7 54.~~00000000~~97590951 $0.00 $0.00 IA-8 5.00000000 $0.00 $0.00 IA-9 0.00000000 $0.00 $0.00 IA-10 0.00000000 $0.00 $0.00 IA-11 5.00000000 $0.00 $0.00 IA-12 5.00000000 $0.00 $0.00 IA-IO 0.~~10989464~~10826231 $0.00 $0.00 -------------------------------------- A-30yr REG/IO $0.00 $0.00 IIIA-1 4.~~58333347~~56000397 $0.00 $0.00 IIIA-IO 0.~~23568074~~23378888 $0.00 $0.00 -------------------------------------- A-30yr RELO To $0.00 $0.00 A-PO 0.00000000 $0.00 $0.00 -------------------------------------- A-COMB Total $0.00 $0.00 RES 0.00000000 $0.00 $0.00 -------------------------------------- RES Total $0.00 $0.00 B-1 4.~~94564813~~94104179 $0.00 $0.00 B-2 4.~~94564838~~94104084 $0.00 $0.00 B-3 4.~~94564770~~94104016 $0.00 $0.00 B-4 4.~~94564453~~94104662 $0.00 $0.00 B-5 4.~~94565420~~94104024 $0.00 $0.00 B-6 4.~~94564555~~94104174 $0.00 $0.00 -------------------------------------- SUB Total $0.00 $0.00 ========================================== Total $0.00 $0.00

7 Citicorp Mortgage Securities, Inc. Distribution Date Statement to Certificateholders Remic Pass-Through Certificate Series Name: CMSI 2007-03 Payment Date: 06/25/2007

--------------------------------------------------------------------------------------------------------------- Certificate Reductions not part of Principal distributions Paid Cumulative Principal to reduce Principal Per Principal CLASS Due Stated Amount Paid Certificate Loss --------------------------------------------------------------------------------------------------------------- IIA-1 $~~165~~177,~~933~~261.2985 $0.00 $~~165~~177,~~933~~261.2985 4.~~11408251~~39495822 0.00 IIA-IO $.00 $0.00 $.00 0.00000000 0.00 ---------------------------------------------------------------------------------------------------- A-15yr Total $~~165~~177,~~933~~261.2985 $0.00 $~~165~~177,~~933~~261.2985 0.00 IA-1 $.00 $0.00 $.00 0.00000000 0.00 IA-2 $.00 $0.00 $.00 0.00000000 0.00 IA-3 $~~724~~1,~~357~~649,421.9771 $0.00 $~~724~~1,~~357~~649,421.9771 1023.~~43427738~~75969390 0.00 IA-4 $.00 $0.00 $.00 0.00000000 0.00 IA-5 $~~446~~1,~~797~~015,994.2886 $0.00 $~~446~~1,~~797~~015,994.2886 410.~~46797280~~15994860 0.00 IA-6 $.00 $0.00 $.00 0.00000000 0.00 IA-7 $~~248~~564,~~132~~241.5001 $0.00 $~~248~~564,~~132~~241.5001 410.~~81810680~~95613612 0.00 IA-8 $.00 $0.00 $.00 0.00000000 0.00 IA-9 $~~1,005~~.00 $0.00 $~~1,005~~.00 ~~1,005~~0.00000000 0.00 IA-10 $.00 $0.00 $.00 0.00000000 0.00 IA-11 $.00 $0.00 $.00 0.00000000 0.00 IA-12 $.00 $0.00 $.00 0.00000000 0.00 IA-IO $.00 $0.00 $.00 0.00000000 0.00 ---------------------------------------------------------------------------------------------------- -30yr REG/IO Total $13,~~420~~229,~~292~~657.7558 $0.00 $13,~~420~~229,~~292~~657.7558 0.00 IIIA-1 $~~128~~26,~~096~~644.0285 $0.00 $~~128~~26,~~096~~644.0285 51.~~09004292~~05876381 0.00 IIIA-IO $.00 $0.00 $.00 0.00000000 0.00 ---------------------------------------------------------------------------------------------------- A-30yr RELO Total $~~128~~26,~~096~~644.0285 $0.00 $~~128~~26,~~096~~644.0285 0.00 A-PO $65,~~415~~367.1937 $0.00 $65,~~415~~367.1937 2.~~39418054~~00312895 0.00 ---------------------------------------------------------------------------------------------------- A-COMB Total $65,~~415~~367.1937 $0.00 $65,~~415~~367.1937 0.00 B-1 $78,~~887~~021.4306 $0.00 $78,~~887~~021.4306 0.~~95035712~~96645821 0.00 B-2 $2,~~464~~506.8258 $0.00 $2,~~464~~506.8258 0.~~95035617~~96645750 0.00 B-3 $1,~~478~~503.8995 $0.00 $1,~~478~~503.8995 0.~~95035549~~96645940 0.00 B-4 $~~985~~1,002.9363 $0.00 $~~985~~1,002.9363 0.~~95035810~~96645557 0.00 B-5 $~~739~~751.4597 $0.00 $~~739~~751.4597 0.~~95036070~~96645173 0.00 B-6 $~~741~~753.0863 $0.00 $~~741~~753.0863 0.~~95035965~~96645375 0.00 ---------------------------------------------------------------------------------------------------- SUB Total $14,~~297~~539.6082 $0.00 $14,~~297~~539.6082 0.00 ===================================================================================================== Total $13,~~735~~453,~~034~~471.8547 $0.00 $13,~~735~~453,~~034~~471.8547 0.00

8 Citicorp Mortgage Securities, Inc. Distribution Date Statement to Certificateholders Remic Pass-Through Certificate Series Name: CMSI 2007-03 Payment Date: 06/25/2007

----------------------------------------------------------------------------------------------------------------------------------- CLASS Previous Period's Ending Period's Beginning Balance Ending Balance Ending Balance Beginning Ending Prepayment Balance Balance Per Certificate Per Certificate Pool Factor Class PCT Class PCT Percentage ----------------------------------------------------------------------------------------------------------------------------------- IIA-1 $40,~~333,000.00 $40,~~167,066.71 1$39,~~000~~989,804.~~00000000~~86 995.88591749 991.49095926 0.~~99588592~~99149096 97.~~088757977~~087623239% 97.~~087623239~~085740103% 100.000000000% ** IIA-IO $38,~~863~~703,~~803~~280.6607 $38,~~703~~531,~~280~~446.0757 ~~1,000.00000000~~ 995.86958622 991.44815847 0.~~99586959~~99144816 0.000000000% 0.000000000% 0.000000000% ----------------------------------------------------------------------------------------------------------------------- A-15yr Tot $40,~~333~~167,~~000~~066.0071 $4039,~~167~~989,~~066~~804.7186 97.~~088757977~~087623239% 97.~~087623239~~085740103% 100.000000000% IA-1 $100,000,000.00$100,000,000.00 1,000.00000000 1,000.00000000 1.00000000 22.~~292865329~~364125406% 22.~~364125406~~527301271% 0.000000000% IA-2 $6,000,000.00 $6,000,000.00 1,000.00000000 1,000.00000000 1.00000000 1.~~337571919~~341847524% 1.~~341847524~~351638076% 0.000000000% IA-3 $~~69,421,000.00 $~~68,696,642.03 1$67,~~000~~047,220.~~00000000~~32 989.56572262 965.80602872 0.~~98956572~~96580603 15.~~475930040~~363403173% 15.~~363403173~~103929315% 51.071025574% IA-4 $80,195,000.00 $80,195,000.00 1,000.00000000 1,000.00000000 1.00000000 17.~~877763350~~934910370% 1718.~~934910370~~065769255% 0.000000000% IA-5 $~~100,000,000.00 $~~99,553,202.72 1$98,~~000~~537,207.~~00000000~~86 995.53202720 985.37207860 0.~~99553203~~98537208 22.~~292865329~~264203102% 22.~~264203102~~197773679% 31.458333333% ** IA-6 $~~69,421,000.00 $~~68,696,642.03 1$67,~~000~~047,220.~~00000000~~32 989.56572262 965.80602872 0.~~98956572~~96580603 0.000000000% 0.000000000% 0.000000000% IA-7 $51,~~500,000.00 $51,~~251,867.50 1$50,~~000~~687,626.~~00000000~~49 995.18189320 984.22575709 0.~~99518189~~98422576 11.~~480825644~~462031921% 11.~~462031921~~418554327% 17.470641092% IA-8 $7,297,000.00 $7,297,000.00 1,000.00000000 1,000.00000000 1.00000000 1.~~626710383~~631910230% 1.~~631910230~~643817173% 0.000000000% IA-9 $~~1,000~~.00 $.00 ~~1,000~~0.00000000 0.00000000 0.00000000 0.~~000222928~~000000000% 0.000000000% 0.000000000% IA-10 $1,~~000~~005.00 $1,~~005~~010.0003 1,~~000~~005.00000000 1,~~005~~010.~~00000000~~03000000 1.~~00500000~~01003000 0.~~000222928~~000224759% 0.~~000224759~~000227532% 0.000000000% IA-11 $20,077,000.00 $20,077,000.00 1,000.00000000 1,000.00000000 1.00000000 4.~~475738572~~490045457% 4.~~490045457~~522806276% 0.000000000% IA-12 $1,000,000.00 $1,000,000.00 1,000.00000000 1,000.00000000 1.00000000 0.~~222928653~~223641254% 0.~~223641254~~225273012% 0.000000000% ** IA-IO $~~378,472,431.65$~~377,272,190.54 1$374,~~000~~209,490.~~00000000~~72 996.82872249 988.73645589 0.~~99682872~~98873646 0.000000000% 0.000000000% 0.000000000% ----------------------------------------------------------------------------------------------------------------------- A-30yrREG/ $~~435,492,000.00$~~434,071,717.25$430,842,064.70 97.~~083645079~~076343201% 97.~~076343201~~057089921% 100.000000000% IIIA-1 $25,~~166~~037,~~000~~903.0098 $25,~~037~~011,~~903~~259.9813 ~~1,000.00000000~~ 994.90995708 993.85119328 0.~~99490996~~99385119 97.~~094649301~~083123687% 97.~~083123687~~083099236% 100.000000000% ** IIIA-IO $25,~~530~~402,~~469~~037.9879 $25,~~402~~375,~~037~~036.7924 ~~1,000.00000000~~ 994.96945453 993.91183397 0.~~99496945~~99391183 0.000000000% 0.000000000% 0.000000000% ----------------------------------------------------------------------------------------------------------------------- A-30yrRELO $25,~~166~~037,~~000~~903.0098 $25,~~037~~011,~~903~~259.9813 97.~~094649301~~083123687% 97.~~083123687~~083099236% 100.000000000% A-PO $2,~~679~~673,~~493~~077.0081 $2,~~673~~667,~~077~~710.8144 ~~1,000.00000000~~ 997.60581946 995.60269051 0.~~99760582~~99560269 0.000000000% 0.000000000% 0.000000000% ----------------------------------------------------------------------------------------------------------------------- A-COMB Tot $2,~~679~~673,~~493~~077.0081 $2,~~673~~667,~~077~~710.8144 0.000000000% 0.000000000% 0.000000000% B-1 $8,~~299~~291,~~438~~550.0057 $8,~~291~~283,~~550~~529.5751 ~~1,000.00000000~~ 999.04964288 998.08318467 0.~~99904964~~99808318 1.~~608307726~~612179721% 1.~~612179721~~621491198% 0.000000000% B-2 $2,~~593~~591,~~575~~110.0018 $2,~~591~~588,~~110~~603.1860 ~~1,000.00000000~~ 999.04964383 998.08318634 0.~~99904964~~99808319 0.~~502596285~~503806284% 0.~~503806284~~506716122% 0.000000000% B-3 $1,~~556,144.00 $1,~~554,665.11 $1,~~000~~553,161.~~00000000~~16 999.04964451 998.08318510 0.~~99904964~~99808319 0.~~301557577~~302283576% 0.~~302283576~~304029477% 0.000000000% B-4 $1,~~037,430.00 $1,~~036,444.07 $1,~~000~~035,441.~~00000000~~44 999.04964190 998.08318634 0.~~99904964~~99808319 0.~~201038514~~201522513% 0.~~201522513~~202686449% 0.000000000% B-5 $~~778,073.00 $~~777,333.55 1$776,~~000~~581.~~00000000~~58 999.04963930 998.08318757 0.~~99904964~~99808319 0.~~150778982~~151141981% 0.~~151141981~~152014934% 0.000000000% B-6 $779,~~789.00 $779,~~047.92 1$778,~~000~~294.~~00000000~~29 999.04964035 998.08318661 0.~~99904964~~99808319 0.~~151111517~~151475317% 0.~~151475317~~152350195% 0.000000000% ----------------------------------------------------------------------------------------------------------------------- SUB Total $15,~~044~~030,~~449~~151.0040 $15,~~030~~015,~~151~~611.4058 2.~~915390605~~922409396% 2.~~922409396~~939288377% 0.000000000% ====================================================================================================================== Total $~~518~~516,~~714~~979,~~942~~917.0015 $~~516~~513,~~979~~526,~~917~~450.1571 PO Balance $2,~~679~~673,~~493~~077.0081 $2,~~673~~667,~~077~~710.8144 Non PO Bal $~~516~~514,~~035~~306,~~449~~839.0034 $~~514~~510,~~306~~858,~~839~~740.3427

9 Citicorp Mortgage Securities, Inc. Distribution Date Statement to Certificateholders Remic Pass-Through Certificate Series Name: CMSI 2007-03 Payment Date: 06/25/2007 Delinquency Status - Determined by the MBA Method -------------------------------------------------- 30 - 59 days Delq 60+ days Book Value REO ----------------------------------------------------- Number 5 1 0 Amount $2,826,956.69 $443,000.00 $0.00 Stated Collateral Information ------------------------------- Service Fees Begin Balance Aggregate Adj Balance -------------------------------------------------------------------- $46,303.71 $516,979,917.16 $513,526,450.72 Advances ------------ Voluntary Advances $0.00 Trustee Advances $0.00 Advance Account Advances $0.00 Certificate Account Advances $92,196.62 Summary of Disbursements ------------------------- Withdrawals Remittances Residual and (Deposits) P&I Distributed ----------------------------------------------------------------- $6,051,696.95 $0.00 $0.00 $6,051,696.95 10 Citicorp Mortgage Securities, Inc. Distribution Date Statement to Certificateholders Remic Pass-Through Certificate Series Name: CMSI 2007-03 Payment Date: 06/25/2007 COLLATERAL INFORMATION: GENERAL INFORMATION: AT ISSUE BEGINNING ENDING WAC-SCHED BAL 6.28% 6.28% WAM 343 342 341 AVG LTV 68 68 68 AVG LOAN SIZE $587,446 $585,481 $584,217 # OF LOANS 883 883 879 ACTUAL BALANCE $518,714,942.01 $517,312,754.90 $513,875,785.03 SCHEDULED BALANCE $518,714,942.01 $516,979,917.16 $513,526,450.72 TYPE OF DWELLING UNIT: AT ISSUE CURRENT SNGL FAM DET 80% 80% 2-4 FAMILY 1% 1% TOWNHOUSE 2% 2% CONDOMINIUM 9% 9% COOPERATIVE 8% 8% GEOGRAPHIC DISTRIBUTION: LTV DISTRIBUTION: AT ISSUE CURRENT AT ISSUE CURRENT 65% AND BELOW 35% 35% CA 31% CA 31% 65.01-75% 20% 20% NY 21% NY 21% 75.01-80% 44% 44% MA 5% MA 4% OVER 80% 1% 1% NJ 4% NJ 4% FL 4% FL 4% OTHER 35% OTHER 36% CREDIT ENHANCEMENT: AT ISSUE CURRENT SUBORDINATION 2.90% $15,044,449.00 2.92% $15,015,611.58 CUMULATIVE LOSS REDUCTION $0.00 PREPAYMENT INFORMATION: SCHEDULED PRINCIPAL: $500,762.86 PRINCIPAL PREPAYMENTS: $2,952,703.58 1 MONTH 3 MONTH 12 MONTH CUMULATIVE PRICING SPEED(PSA):350%/300%/350%/350%/350% PREPAYMENT HISTORY(PSA): 1,066% 0% 0% 909% PREPAYMENT HISTORY(CPR): 6.68% 0.00% 0.00% 4.79% DELINQUENCY (1)

--------------------------------------------------------------------------------------------------------- Number of Amount of Scheduled Amount of Actual Pool Item loans Balance Balance # PCT Amount PCT Amount PCT --------------------------------------------------------------------------------------------------------- (2) 30-59 Days 65 0.6857% $2,~~868~~818,~~782~~497.2714 0.55% $2,~~877~~826,~~549~~956.5669 0.5655% (2) 60-89 Days 01 0.0011% $0443,000.00 0.0009% $0443,000.00 0.0009% (2) 90 + Days 0 0.00% $0.00 0.00% $0.00 0.00% REAL ESTATE OWNED BY THE TRUST 0 0.00% $0.00 0.00% $0.00 0.00% FORECLOSURES IN PROCESS 0 0.00% $0.00 0.00% $0.00 0.00% BANKRUPTCIES IN PROCESS 0 0.00% $0.00 0.00% $0.00 0.00% PURCHASE AMOUNT ADVANCES NA

(1) DETERMINED BY THE MBA METHOD. (2) DOES NOT INCLUDE REAL ESTATE OWNED BY THE TRUST. ------------------------------------------------------------------------------- 30 Yr REG COLLATERAL INFORMATION: GENERAL INFORMATION: AT ISSUE BEGINNING ENDING WAC-SCHED BAL 6.30% 6.30% WAM 357 356 355 AVG LTV 68 68 68 AVG LOAN SIZE $567,593 $565,360 $563,847 # OF LOANS 562 562 559 ACTUAL BALANCE $318,987,252.89 $317,938,986.64 $315,405,840.24 SCHEDULED BALANCE $318,987,252.89 $317,732,238.72 $315,190,315.35 TYPE OF DWELLING UNIT: AT ISSUE CURRENT SNGL FAM DET 80% 80% 2-4 FAMILY 0% 0% TOWNHOUSE 2% 2% CONDOMINIUM 9% 9% COOPERATIVE 9% 9% GEOGRAPHIC DISTRIBUTION: LTV DISTRIBUTION: AT ISSUE CURRENT AT ISSUE CURRENT 65% AND BELOW 36% 35% CA 28% CA 29% 65.01-75% 20% 20% NY 22% NY 23% 75.01-80% 43% 44% MA 6% MA 6% OVER 80% 1% 1% NJ 4% NJ 4% IL 4% IL 4% OTHER 36% OTHER 34% PREPAYMENT INFORMATION: SCHEDULED PRINCIPAL: $317,806.88 PRINCIPAL PREPAYMENTS: $2,224,116.49 1 MONTH 3 MONTH 12 MONTH CUMULATIVE PRICING SPEED(PSA):350% PREPAYMENT HISTORY(PSA): 1,355% 0% 0% 1,169% PREPAYMENT HISTORY(CPR): 8.13% 0.00% 0.00% 5.85% DELINQUENCY (1)

--------------------------------------------------------------------------------------------------------- Number of Amount of Scheduled Amount of Actual Pool Item loans Balance Balance # PCT Amount PCT Amount PCT --------------------------------------------------------------------------------------------------------- (2) 30-59 Days 4 0.7172% $12,~~611~~188,~~495~~884.8059 0.5169% $12,~~614~~193,~~549~~074.5657 0.5170% ARM (2) 60-89 Days 0 0.00% $0.00 0.00% $0.00 0.00% (2) 90 + Days 0 0.00% $0.00 0.00% $0.00 0.00% REAL ESTATE OWNED BY THE TRUST 0 0.00% $0.00 0.00% $0.00 0.00% FORECLOSURES IN PROCESS 0 0.00% $0.00 0.00% $0.00 0.00% BANKRUPTCIES IN PROCESS 0 0.00% $0.00 0.00% $0.00 0.00% PURCHASE AMOUNT ADVANCES NA

(1) DETERMINED BY THE MBA METHOD. (2) DOES NOT INCLUDE REAL ESTATE OWNED BY THE TRUST. ------------------------------------------------------------------------------- 15 yr REG COLLATERAL INFORMATION: GENERAL INFORMATION: AT ISSUE BEGINNING ENDING WAC-SCHED BAL 5.95% 5.95% WAM 174 173 172 AVG LTV 56 56 56 AVG LOAN SIZE $555,872 $553,592 $551,161 # OF LOANS 75 75 75 ACTUAL BALANCE $41,690,380.80 $41,630,485.92 $41,453,414.90 SCHEDULED BALANCE $41,690,380.80 $41,519,403.64 $41,337,069.01 TYPE OF DWELLING UNIT: AT ISSUE CURRENT SNGL FAM DET 84% 84% 2-4 FAMILY 1% 1% TOWNHOUSE 1% 1% CONDOMINIUM 10% 10% COOPERATIVE 4% 4% GEOGRAPHIC DISTRIBUTION: LTV DISTRIBUTION: AT ISSUE CURRENT AT ISSUE CURRENT 65% AND BELOW 61% 61% CA 37% CA 37% 65.01-75% 15% 15% NY 24% NY 24% 75.01-80% 24% 24% TX 7% TX 7% OVER 80% 0% 0% CT 6% CT 6% IL 3% IL 3% OTHER 23% OTHER 23% PREPAYMENT INFORMATION: SCHEDULED PRINCIPAL: $155,701.00 PRINCIPAL PREPAYMENTS: $26,633.63 1 MONTH 3 MONTH 12 MONTH CUMULATIVE PRICING SPEED(PSA):300% PREPAYMENT HISTORY(PSA): 108% 0% 0% 102% PREPAYMENT HISTORY(CPR): 0.88% 0.00% 0.00% 0.73% DELINQUENCY (1)

--------------------------------------------------------------------------------------------------------- Number of Amount of Scheduled Amount of Actual Pool Item loans Balance Balance # PCT Amount PCT Amount PCT --------------------------------------------------------------------------------------------------------- (2) 30-59 Days 1 1.33% $~~814~~629,~~286~~612.4755 1.9652% $~~820~~633,~~000~~882.0012 1.9753% FIXED (2) 60-89 Days 0 0.00% $0.00 0.00% $0.00 0.00% (2) 90 + Days 0 0.00% $0.00 0.00% $0.00 0.00% REAL ESTATE OWNED BY THE TRUST 0 0.00% $0.00 0.00% $0.00 0.00% FORECLOSURES IN PROCESS 0 0.00% $0.00 0.00% $0.00 0.00% BANKRUPTCIES IN PROCESS 0 0.00% $0.00 0.00% $0.00 0.00% PURCHASE AMOUNT ADVANCES NA

(1) DETERMINED BY THE MBA METHOD. (2) DOES NOT INCLUDE REAL ESTATE OWNED BY THE TRUST. ------------------------------------------------------------------------------- 30 yr RELO COLLATERAL INFORMATION: GENERAL INFORMATION: AT ISSUE BEGINNING ENDING WAC-SCHED BAL 6.02% 6.02% WAM 358 357 356 AVG LTV 74 74 74 AVG LOAN SIZE $589,715 $586,786 $586,161 # OF LOANS 44 44 44 ACTUAL BALANCE $25,947,469.98 $25,833,577.53 $25,808,562.61 SCHEDULED BALANCE $25,947,469.98 $25,818,570.52 $25,791,099.61 TYPE OF DWELLING UNIT: AT ISSUE CURRENT SNGL FAM DET 89% 89% 2-4 FAMILY 0% 0% TOWNHOUSE 0% 0% CONDOMINIUM 11% 11% COOPERATIVE 0% 0% GEOGRAPHIC DISTRIBUTION: LTV DISTRIBUTION: AT ISSUE CURRENT AT ISSUE CURRENT 65% AND BELOW 16% 16% CA 24% CA 24% 65.01-75% 27% 27% NJ 14% NJ 14% 75.01-80% 57% 57% NY 10% NY 10% OVER 80% 0% 0% PA 8% PA 8% AZ 7% AZ 7% OTHER 37% OTHER 37% PREPAYMENT INFORMATION: SCHEDULED PRINCIPAL: $27,254.98 PRINCIPAL PREPAYMENTS: $215.93 1 MONTH 3 MONTH 12 MONTH CUMULATIVE PRICING SPEED(PSA):350% PREPAYMENT HISTORY(PSA): 8% 0% 0% 344% PREPAYMENT HISTORY(CPR): 0.07% 0.00% 0.00% 2.39% DELINQUENCY (1)

(1) DETERMINED BY THE MBA METHOD. (2) DOES NOT INCLUDE REAL ESTATE OWNED BY THE TRUST. ------------------------------------------------------------------------------- 30 yr IO COLLATERAL INFORMATION: GENERAL INFORMATION: AT ISSUE BEGINNING ENDING WAC-SCHED BAL 6.39% 6.39% WAM 359 358 357 AVG LTV 70 70 70 AVG LOAN SIZE $653,910 $653,018 $652,776 # OF LOANS 202 202 201 ACTUAL BALANCE $132,089,838.34 $131,909,704.81 $131,207,967.28 SCHEDULED BALANCE $132,089,838.34 $131,909,704.28 $131,207,966.75 TYPE OF DWELLING UNIT: AT ISSUE CURRENT SNGL FAM DET 80% 80% 2-4 FAMILY 1% 1% TOWNHOUSE 2% 2% CONDOMINIUM 9% 9% COOPERATIVE 8% 8% GEOGRAPHIC DISTRIBUTION: LTV DISTRIBUTION: AT ISSUE CURRENT AT ISSUE CURRENT 65% AND BELOW 31% 31% CA 35% CA 34% 65.01-75% 21% 21% NY 19% NY 19% 75.01-80% 48% 48% FL 6% FL 6% OVER 80% 0% 0% MD 5% MD 5% AZ 4% AZ 4% OTHER 31% OTHER 32% PREPAYMENT INFORMATION: SCHEDULED PRINCIPAL: $0.00 PRINCIPAL PREPAYMENTS: $701,737.53 1 MONTH 3 MONTH 12 MONTH CUMULATIVE PRICING SPEED(PSA):350% PREPAYMENT HISTORY(PSA): 1,033% 0% 0% 787% PREPAYMENT HISTORY(CPR): 6.20% 0.00% 0.00% 3.94% DELINQUENCY (1)

--------------------------------------------------------------------------------------------------------- Number of Amount of Scheduled Amount of Actual Pool Item loans Balance Balance # PCT Amount PCT Amount PCT --------------------------------------------------------------------------------------------------------- (2) 30-59 Days 10 0.5000% $~~443,000~~0.00 0.3400% $~~443,000~~0.00 0.3400% FIXED (2) 60-89 Days 01 0.0050% $0443,000.00 0.0034% $0443,000.00 0.0034% (2) 90 + Days 0 0.00% $0.00 0.00% $0.00 0.00% REAL ESTATE OWNED BY THE TRUST 0 0.00% $0.00 0.00% $0.00 0.00% FORECLOSURES IN PROCESS 0 0.00% $0.00 0.00% $0.00 0.00% BANKRUPTCIES IN PROCESS 0 0.00% $0.00 0.00% $0.00 0.00% PURCHASE AMOUNT ADVANCES NA

(1) DETERMINED BY THE MBA METHOD. (2) DOES NOT INCLUDE REAL ESTATE OWNED BY THE TRUST. ------------------------------------------------------------------------------- 30 Yr REG and 30 yr IO COLLATERAL INFORMATION: GENERAL INFORMATION: AT ISSUE BEGINNING ENDING WAC-SCHED BAL 6.33% 6.33% WAM 357 356 355 AVG LTV 69 69 69 AVG LOAN SIZE $590,415 $588,537 $587,366 # OF LOANS 764 764 760 ACTUAL BALANCE $451,077,091.23 $449,848,691.45 $446,613,807.52 SCHEDULED BALANCE $451,077,091.23 $449,641,943.00 $446,398,282.10 TYPE OF DWELLING UNIT: AT ISSUE CURRENT SNGL FAM DET 79% 79% 2-4 FAMILY 1% 1% TOWNHOUSE 2% 2% CONDOMINIUM 9% 9% COOPERATIVE 9% 9% GEOGRAPHIC DISTRIBUTION: LTV DISTRIBUTION: AT ISSUE CURRENT AT ISSUE CURRENT 65% AND BELOW 34% 34% CA 30% CA 30% 65.01-75% 20% 21% NY 21% NY 22% 75.01-80% 45% 44% MA 5% MA 5% OVER 80% 1% 1% FL 4% FL 4% NJ 4% NJ 4% OTHER 36% OTHER 35% PREPAYMENT INFORMATION: SCHEDULED PRINCIPAL: $317,806.88 PRINCIPAL PREPAYMENTS: $2,925,854.02 1 MONTH 3 MONTH 12 MONTH CUMULATIVE PRICING SPEED(PSA):350% PREPAYMENT HISTORY(PSA): 1,261% 0% 0% 1,058% PREPAYMENT HISTORY(CPR): 7.57% 0.00% 0.00% 5.30% DELINQUENCY (1)

--------------------------------------------------------------------------------------------------------- Number of Amount of Scheduled Amount of Actual Pool Item loans Balance Balance # PCT Amount PCT Amount PCT --------------------------------------------------------------------------------------------------------- (2) 30-59 Days 54 0.6553% $2,~~054~~188,~~495~~884.8059 0.4649% $2,~~057~~193,~~549~~074.5657 0.4649% FIXED (2) 60-89 Days 01 0.0013% $0443,000.00 0.0010% $0443,000.00 0.0010% (2) 90 + Days 0 0.00% $0.00 0.00% $0.00 0.00% REAL ESTATE OWNED BY THE TRUST 0 0.00% $0.00 0.00% $0.00 0.00% FORECLOSURES IN PROCESS 0 0.00% $0.00 0.00% $0.00 0.00% BANKRUPTCIES IN PROCESS 0 0.00% $0.00 0.00% $0.00 0.00% PURCHASE AMOUNT ADVANCES NA

(1) DETERMINED BY THE MBA METHOD. (2) DOES NOT INCLUDE REAL ESTATE OWNED BY THE TRUST. -------------------------------------------------------------------------------

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