10-D 1 bsc06p12_10d-200607.txt 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: June 21, 2006 to July 11, 2006 Commission File Number of issuing entity: 333-120522-06 Bear Stearns Commercial Mortgage Securities Trust 2006-PWR12 (Exact name of issuing entity as specified in its charter) Commission File Number of depositor:333-120522 Bear Stearns Commercial Mortgage Securities Inc. (Exact name of depositor as specified in its charter) Nationwide Life Insurance Company Principal Commercial Funding II, LLC Prudential Mortgage Capital Funding, LLC Principal Commercial Funding, LLC Wells Fargo Bank, National Association Bear Stearns Commercial Mortgage, Inc. (Exact name of sponsor as specified in its charter) New York (State or other jurisdiction of incorporation or organization of the issuing entity) 54-2197161 54-2197162 54-2197163 54-6713959 54-6713960 (I.R.S. Employer Identification No.) c/o Wells Fargo Bank, N.A. 9062 Old Annapolis Road Columbia, MD 21045 (Address of principal executive offices of the issuing entity) (Zip Code) (410) 884-2000 (Telephone number, including area code) Not Applicable (Former name, former address, if changed since last report) Registered/reporting pursuant to (check one) Title of Section Section Section Name of Exchange Class 12(b) 12(g) 15(d) (If Section 12(b)) A-1 ______ ______ ___X___ ___________ A-2 ______ ______ ___X___ ___________ A-3 ______ ______ ___X___ ___________ A-AB ______ ______ ___X___ ___________ A-4 ______ ______ ___X___ ___________ A1-A ______ ______ ___X___ ___________ A-M ______ ______ ___X___ ___________ A-J ______ ______ ___X___ ___________ B ______ ______ ___X___ ___________ C ______ ______ ___X___ ___________ D ______ ______ ___X___ ___________ E ______ ______ ___X___ ___________ F ______ ______ ___X___ ___________ G ______ ______ ___X___ ___________ H ______ ______ ___X___ ___________ J ______ ______ ___X___ ___________ K ______ ______ ___X___ ___________ L ______ ______ ___X___ ___________ M ______ ______ ___X___ ___________ N ______ ______ ___X___ ___________ O ______ ______ ___X___ ___________ P ______ ______ ___X___ ___________ R ______ ______ ___X___ ___________ V ______ ______ ___X___ ___________ X ______ ______ ___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 ____ Part I - DISTRIBUTION INFORMATION Item 1. Distribution and Pool Performance Information On July 11, 2006 a distribution was made to holders of Bear Stearns Commercial Mortgage Securities Trust 2006-PWR12. The distribution report is attached as an Exhibit to this Form 10-D, please see Item 9(b), Exhibit 99.1 for the related information. Part II - OTHER INFORMATION Item 9. Exhibits. (a) The following is a list of documents filed as part of this Report on Form 10-D: (99.1) Monthly report distributed to holders of Bear Stearns Commercial Mortgage Securities Trust 2006-PWR12, relating to the July 11, 2006 distribution. (b) The exhibits required to be filed by Registrant pursuant to Item 601 of Regulation S-K are listed above and in the Exhibit Index that immediately follows the signature page hereof. 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. Bear Stearns Commercial Mortgage Securities Inc. (Depositor) /s/ Richard Ruffer Richard Ruffer, Vice President Date: July 18, 2006 EXHIBIT INDEX Exhibit Number Description EX-99.1 Monthly report distributed to holders of Bear Stearns Commercial Mortgage Securities Trust 2006-PWR12, relating to the July 11, 2006 distribution. EX-99.1 Wells Fargo Bank, N.A. Corporate Trust Services 9062 Old Annapolis Road Columbia, MD 21045-1951 Bear Stearns Commercial Mortgage Securities Inc. Commercial Mortgage Pass-Through Certificates Series 2006-PWR12 For Additional Information, please contact CTSLink Customer Service (301) 815-6600 Reports Available on the World Wide Web @ www.ctslink.com/cmbs Payment Date: July 11, 2006 Record Date: June 30, 2006 Determination Date: July 03, 2006 DISTRIBUTION DATE STATEMENT Table of Contents STATEMENT SECTIONS PAGE(s) Certificate Distribution Detail 2 Certificate Factor Detail 3 Reconciliation Detail 4 Other Required Information 5 Cash Reconciliation 6 Ratings Detail 7 Current Mortgage Loan and Property Stratification Tables 8 - 16 Mortgage Loan Detail 17 - 23 NOI Detail 24 - 30 Principal Prepayment Detail 31 Historical Detail 32 Delinquency Loan Detail 33 - 36 Specially Serviced Loan Detail 37 - 38 Modified Loan Detail 39 Historical Liquidated Loan Detail 40 Historical Bond/Collateral Loss Reconciliation Detail 41 Interest Shortfall Reconciliation Detail 42 - 43 Supplemental Reporting 44 Depositor Bear Stearns Commercial Mortgage Securities Inc. 383 Madison Avenue New York, NY 10179 Contact: General Information Number Phone Number: (212) 272-2000 Master Servicer Prudential Asset Resources, Inc. 2200 Ross Avenue, Suite 4900E Dallas, TX 75201 Contact: Hal Collett Phone Number: (214) 721-6032 Master Servicer Wells Fargo Bank, N.A. 1320 Willow Pass Road, Suite 300 investorreporting@wellsfargo.com Concord, CA 94520 Contact: Myung J. Nam Phone Number: () - Special Servicer ARCap Servicing, Inc. 5221 N. O'Connor Blvd., Ste. 600 Irving, TX 75039 Contact: Chris Crouch Phone Number: (972) 868-5300 This report has been compiled from information provided to Wells Fargo Bank, N.A. by various third parties, which may include the Servicer, Master Servicer, Special Servicer and others. Wells Fargo Bank, N.A. has not independently confirmed the accuracy of information received from these third parties and assumes no duty to do so. Wells Fargo Bank, N.A. expressly disclaims any responsibility for the accuracy or completeness of information furnished by third parties. Copyright 2006, Wells Fargo Bank, N.A.

Appraisal Reduction Amount None Cash Reconciliation Detail Total Funds Collected Interest: Scheduled Interest 10,028,902.20 Interest reductions due to Nonrecoverability Determinations 0.00 Interest Adjustments 0.00 Deferred Interest 0.00 Net Prepayment Interest Shortfall 0.00 Net Prepayment Interest Excess 0.00 Extension Interest 0.00 Interest Reserve Withdrawal 0.00 Total Interest Collected 10,028,902.20 Principal: Scheduled Principal 757,198.62 Unscheduled Principal 0.00 Principal Prepayments 0.00 Collection of Principal after Maturity Date 0.00 Recoveries from Liquidation and Insurance Proceeds 0.00 Excess of Prior Principal Amounts paid 0.00 Curtailments 0.00 Negative Amortization 0.00 Principal Adjustments 0.00 Total Principal Collected 757,198.62 Other: Prepayment Penalties/Yield Maintenance 0.00 Repayment Fees 0.00 Borrower Option Extension Fees 0.00 Equity Payments Received 0.00 Net Swap Counterparty Payments Received 0.00 Total Other Collected: 0.00 Total Funds Collected 10,786,100.82 Total Funds Distributed Fees: Master Servicing Fee 63,212.84 Trustee Fee 1,108.82 Certificate Administration Fee 1,056.84 Insurer Fee 0.00 Servicer Report Administrator Fee 690.63 Total Fees 66,069.13 Additional Trust Fund Expenses: Reimbursement for Interest on Advances 0.00 ASER Amount 0.00 Special Servicing Fee 0.00 Rating Agency Expenses 0.00 Attorney Fees & Expenses 0.00 Bankruptcy Expense 0.00 Taxes Imposed on Trust Fund 0.00 Non-Recoverable Advances 0.00 Other Expenses 0.00 Total Additional Trust Fund Expenses 0.00 Interest Reserve Deposit 0.00 Payments to Certificateholders & Others: Interest Distribution 9,962,833.08 Principal Distribution 757,198.63 Prepayment Penalties/Yield Maintenance 0.00 Borrower Option Extension Fees 0.00 Equity Payments Paid 0.00 Net Swap Counterparty Payments Paid 0.00 Total Payments to Certificateholders & Others 10,720,031.71 Total Funds Distributed 10,786,100.84

Bear Stearns Commercial Mortgage Securities Trust 2006-PWR12 10-D