**Certification Regarding Compliance with Applicable Servicing Criteria**1.OfficeTiger Global Real Estate Services Inc. ("OfficeTiger") is responsible for assessing compliance with the servicing criteria applicable to it under paragraph (d) of Item 1122 of Regulation AB, as of and for the period ending December 31, 2007 (the "Reporting Period") as set forth in Appendix A hereto. The transactions covered by this report include the following asset-backed securities transactions for which OfficeTiger acted as Credit Risk Manager, involving primarily first lien, subprime residential mortgage loans (the "Platform"): **First Franklin Mortgage Loan Trust 2006-FF10****First Franklin Mortgage Loan Trust 2006-FF12****First Franklin Mortgage Loan Trust 2006-FF14****First Franklin Mortgage Loan Trust 2006-FF15****First Franklin Mortgage Loan Trust 2006-FF10****Structured Asset Securitization Corporation 2007-BC2******2.OfficeTiger has not engaged any vendors to perform any activities in connection with the asset-backed securities covered by this Certification. 3.OfficeTiger used the criteria set forth in paragraph (d) of Item 1122 of Regulation AB to assess its compliance with the applicable servicing criteria. 4.The criteria listed in the column titled "Inapplicable Servicing Criteria" on Appendix A hereto, are inapplicable to OfficeTiger based on the activities it performs  with respect to the Platform. 5.OfficeTiger has complied, in all material respects, with the applicable servicing criteria as of December 31, 2007 and for the Reporting Period with respect to the Platform taken as a whole, except as described on Appendix B attached hereto. 6.HLB Gross Collins, P.C., a registered public accounting firm, has issued  an attestation report on OfficeTiger's assessment of compliance with the applicable  servicing criteria for the Reporting Period. Dated: March 10, 2008 OFFICER TIGER GLOBAL REAL ESTATE SERVICES INC.******By:  /s/ D. Keith GettmannName: D. Keith Gettmann Title: Managing Director Senior Officer in Charge of the Credit Risk Manager Function for OfficeTiger Global Real Estate Services Inc. **Appendix A****Reg AB Reference****Servicing Criteria****Applicable****Servicing****Criteria****Inapplicable****Servicing****Criteria****General Servicing Considerations**1122(d)(1)(i) Policies and procedures are instituted to monitor any performance or other triggers and events of default in accordance with the transaction agreements. ******X**1122(d)(1)(ii) lf any material servicing activities are outsourced to third parties, policies and procedures are instituted to monitor the third party's performance and compliance with such servicing activities. ******X**1122(d)(1)(iii) Any requirements in the transaction agreements to maintain a back-up servicer for the pool assets are maintained. ******X**1122(d)(1)(iv) A fidelity bond and errors and omissions policy is in effect on the party participating in the servicing function throughout the reporting period in the amount of coverage required by and otherwise in accordance with the terms of the transaction agreements. ******X****Cash Collection and Administration**1122(d)(2)(i) Payments on pool assets are deposited into the appropriate custodial bank accounts and related bank clearing accounts no more than two business days following receipt, or such other number of days specified in the transaction agreements. ******X**1122(d)(2)(ii) Disbursements made via wire transfer on behalf of an obligor or to an investor are made only by authorized personnel. ******X**1122(d)(2)(iii) Advances of funds or guarantees regarding collections, cash flows or distributions, and any interest or other fees charged for such advances, are made, reviewed and approved as specified in the transaction agreements. ******X**1122(d)(2)(iv) The related accounts for the transaction, such as cash reserve accounts or accounts established as a form of over collateralization, are separately maintained (e.g., with respect to commingling of cash) as set forth in the transaction agreements. **X****Reg AB Reference********Servicing Criteria****Applicable****Servicing****Criteria****Inapplicable****Servicing****Criteria**     1122(d)(2)(v) Each custodial account is maintained at a federally insured depository institution as set forth in the transaction agreements. For purposes of this criterion, "federally insured depository institution" with respect to a foreign financial institution means a foreign financial institution that meets the requirements of Rule 13k-1(b)( I) of the Securities Exchange Act. **************X**1122(d)(2)(vi) Unissued checks are safeguarded so as to prevent unauthorized access. ******X**1122(d)(2)(vii) Reconciliations are prepared on a monthly basis for all asset-backed securities related bank accounts, including custodial accounts and related bank clearing accounts. These reconciliations are (A) mathematically accurate; (B) prepared within 30 calendar days after the bank statement cutoff date, or such other number of days specified in the transaction agreements; (C) reviewed and approved by someone other than the person who prepared the reconciliation; and (D) contain explanations for reconciling items. These reconciling items are resolved within 90 calendar days oftheir original identification, or such other number of days specified in the transaction agreements. **********X****Investor Remittances and Reporting**1122(d)(3)(i) Reports to investors, including those to be filed with the Commission, are maintained in accordance with the transaction agreements and applicable Commission requirements. Specifically, such reports (A) are prepared in accordance with timeframes and other terms set forth in the transaction agreements; (B) provide information calculated in accordance with the terms specified in the transaction agreements; (C) are filed with the Commission as required by its rules and regulations; and (D) agree with investors' or the trustee's records as to the total unpaid principal balance and number of pool assets serviced by the Servicer. **X******1122(d)(3)(ii) Amounts due to investors are allocated and remitted in accordance with timeframes, distribution priority and other terms set forth in the transaction agreements. ******X****Reg AB Reference****Servicing C r i t e r i a****Applicable****Servicing****Criteria****Inapplicable****Servicing****Criteria**1122(d)(3)(iii) Disbursements made to an investor are posted within two business days to the Servicer's investor records, or such other number of days specified in the transaction agreements. **X**1122(d)(3)(iv) Amounts remitted to investors per the investor reports agree with cancelled checks, or other form of payment, or custodial bank statements. **X****Pool Asset Administration**1122(d)(4)(i) Collateral or security on pool assets is maintained as required by the transaction agreements or related pool asset documents. **X**1122(d)(4)(ii) Pool assets and related documents are safeguarded as required by the transaction agreements **X**1122(d)(4)(iii) Any additions, removals or substitutions to the asset pool are made, reviewed and approved in accordance with any conditions or requirements in the transaction agreements. **X**1122(d)(4)(iv) Payments on pool assets, including any payoffs, made in accordance with the related pool asset documents are posted to the Servicer's obligor records maintained no more than two business days after receipt, or such other number of days specified in the transaction agreements, and allocated to principal, interest or other items (e.g., escrow) in accordance with the related pool asset documents. **X**1122(d)(4)(v) The Servicer's records regarding the pool assets agree with the Servicer's records with respect to an obligor's unpaid principal balance. **X**1122(d)(4)(vi) Changes with respect to the terms or status of an obligor's pool assets (e.g., loan modifications or re-agings) are made, reviewed and approved by authorized personnel in accordance with the transaction agreements and related fool asset documents. **X**1122(d)(4)(vii) Loss mitigation or recovery actions (e.g., forbearance plans, modifications and deeds in lieu of foreclosure, foreclosures and repossessions, as applicable) are initiated, conducted and concluded in accordance with the timeframes or other requirements established by the transaction agreements. **X****Reg AB****Reference****Servicing Criteria****Applicable****Servicing****Criteria****Inapplicable****Servicing****Criteria**1122(d)(4)(viii)  Records documenting collection efforts are maintained during the period a pool asset is delinquent in accordance with the transaction agreements. Such records are maintained on at least a monthly basis, or such other period specified in the transaction agreements, and describe the entity's activities in monitoring delinquent pool assets including, for example, phone calls, letters and payment rescheduling plans in cases where delinquency is deemed temporary (e.g., illness or unemployment). **X**1122(d)(4)(ix)  Adjustments to interest rates or rates of return for pool assets with variable rates are computed based on the related pool asset documents. **X**1122(d)(4)(x) Regarding any funds held in trust for an obligor (such as escrow accounts): (A) such funds are analyzed, in accordance with the obligor's pool asset documents, on at least an annual basis, or such other period specified in the transaction agreements; (B) interest on such funds is paid, or credited, to obligors in accordance with applicable pool asset documents and state laws; and (C) such funds are returned to the obligor within 30  calendar days of full repayment of the related pool assets, or such other number of days specified in the transaction agreements. **X**1122(d)(4)(xi)  Payments made on behalf of an obligor (such as tax or insurance payments) are made on or before the related penalty or expiration dates, as indicated on the appropriate bills or notices for such payments, provided that such support has been received by the servicer at least 30 calendar days prior to these dates, or such other number of days specified in the transaction agreements. **X**1122(d)(4)(xii)  Any late payment penalties in connection with any payment to be made on behalf of an obligor are paid from the Servicer's funds and not charged to the obligor, unless the late payment was due to the obligor's error or omission. **X****Reg AB****Reference****Servicing Criteria****Applicable****Servicing****Criteria****Inapplicable****Servicing****Criteria**1122(d)(4)(xiii)  Disbursements made on behalf of an obligor are posted within two business days to the obligor's records maintained by the servicer, or such other number of days specified in the transaction agreements. **X**1122(d)(4)(xiv)  Delinquencies, charge-offs and uncollectible accounts are recognized and recorded in accordance with the transaction agreements. **X**1122(d)(4)(xv) Any external enhancement or other support, identified in Item 1114(a)(1) through (3) or Item 11 15 of Regulation AB, is maintained as set forth in the transaction agreements. ******X****Appendix B**During a review of the Platform, I examined the monthly CRM reports for each  applicable transaction and noted that in 69 of the 71 reports examined, there was no material difference in the unpaid principal balance and number of pool assets between the CRM report and the respective Trustee's report. However, In 2 of the 71 reports examined, there were noted material differences  between the CRM report and the applicable Trustees' report in connection with the unpaid principal balances and number of pool assets reported as being serviced by the  Servicer versus the unpaid principal balance and number of pool assets reported by the Trustee for the same reporting period. These discrepancies occurred in the January 2007 CRM reports in connection with the First Franklin Mortgage Loan Trust 2006-FF15 and First Franklin Mortgage Loan Trust 2006-FF17 transactions. The discrepancies between  the Servicer's data (as reflected in the CRM reports) and the Trustee's reports were investigated and subsequently corrected in the following monthly reporting cycle. It should also be noted that OfficeTiger receives information on the unpaid principal balance and number of pool asset from the Servicer. Based on my review of the applicable trustee reports and CRM reports, the majority of OfficeTiger's CRM reports materially agreed with the trustee's reports with respect to the total unpaid principal balance and number of pool assets serviced by the Servicer, except for the two CRM reports discussed above.