EXHIBIT 32.2


                         ANNALY CAPITAL MANAGEMENT, INC.
                           1211 AVENUE OF THE AMERICAS
                                   SUITE 2902
                            NEW YORK, NEW YORK 10036


                        CERTIFICATION OF CHIEF FINANCIAL
                  OFFICER REGARDING PERIODIC REPORT CONTAINING
                              FINANCIAL STATEMENTS


     I, Kathryn F. Fagan, the Chief Financial Officer and Treasurer of Annaly
Capital Management, Inc. (the "Company") in compliance with 18 U.S.C. Section
1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002,
hereby certify that, the Company's Quarterly Report on Form 10-Q for the period
ended March 31, 2007 (the "Report") filed with the Securities and Exchange
Commission:

     o    fully complies with the requirements of Section 13(a) or 15(d) of the
          Securities Exchange Act of 1934, as amended; and

     o    the information contained in the Report fairly presents, in all
          material respects, the financial condition and results of operations
          of the Company.


                                        /s/ Kathryn F. Fagan
                                        --------------------
                                        Kathryn F. Fagan
                                        Chief Financial Officer and Treasurer

                                        May 10, 2007


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