Exhibit 99.1

Issuer Free Writing Prospectus
Filed by: ARMOUR Residential REIT, Inc.
Pursuant to Rule 433 under the Securities Act of 1933
Registration Statement on Form S-11: No. 333-166847




ARMOUR RESIDENTIAL REIT, Inc.
Company Update
May 10, 2010






PLEASE READ: Important Regulatory and Yield Estimate Risk Disclosures



Certain statements made in this presentation regarding ARMOUR Residential REIT, Inc. (“ARMOUR” or the “Company“), and any other statements regarding ARMOUR’s future expectations, beliefs, goals or prospects constitute forward-looking statements made within the meaning of Section 21E of the Securities Exchange Act of 1934. Any statements that are not statements of historical fact (including statements containing the words “believes,” “plans,” “anticipates,” “expects,” “estimates” and similar expressions) should also be considered forward-looking statements. Forward-looking statements include but are not limited to statements regarding the projections for the ARMOUR business, and plans for future growth and operational improvements. A number of important factors could cause actual results or events to differ materially from those indicated by such forwardlooking statements ARMOUR assumes no obligation to update the information looking statements. in this communication, except as otherwise required by law. Readers are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date hereof.

This material is for information purposes only and does not constitute an offer to sell, a solicitation of an offer to buy, or a recommendation for any securities, financial instruments, or common or privately issued stock. The statements, information and estimates contained herein are based on information that the presenter believes to be reliable as of today's date, but cannot be represented that such statements, information or estimates are complete or accurate.

Actual realized yields, durations and net durations described herein will depend on a number of factors that cannot be predicted with certainly. Estimated yields do not reflect any of the costs of operation of ARMOUR.


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ARMOUR Residential REIT, Inc. - Investment & Business Strategy


ARMOUR Residential REIT, Inc. (“ARMOUR”) invests solely in Agency Mortgage Securities.

– Only with a shareholder vote may ARMOUR REIT change its Agency only investment asset class.


ARMOUR’s business strategy has been fully implemented.


 

 

 

 

1)

   Invest in a low duration very diverse set of Agency Mortgage Securities.

 

 

   •   ARMOUR REIT owns 127 separate securities (cusips).

 

2)

   Target a weighted average gross asset duration of 2.5 or less.

 

3)

   Target a balance sheet duration of 1.5 or less.

 

 

   •   Balance Sheet Duration achieved by the use of swaps and Eurodollar futures.

 

4)

   Hold 40% of unlevered equity in cash.

 

 

   •   Liquidity defends against the unexpected.

 

 

 



ARMOUR’s business strategy is transparent.


 

 

 

 

1)

   ARMOUR’s portfolio and liability details are released on the ARMOUR website twice a quarter.

 

 

   •   Asset details and REPO counter-parties are identified.

 

2)

   Amortization is expensed as it occurs.

 

 

   •   There is no yield ‘smoothing.’

 

3)

   Hedge portfolio is marked-to-market and the change in value is realized for GAAP.

 

 

 


ARMOUR is one of only two Agency REITs with a non-executive, Independent Board Chairman.


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ARMOUR Portfolio and Balance Sheet Highlights
and Dividend and Earnings Update (May 7, 2010 Data)


•  Portfolio and Balance Sheet Highlights

—  ARMOUR was 100% invested as of January 26, 2010.

—  ARMOUR has an Agency mortgage portfolio valued at $188.69 million (1).

—  Gross asset duration is currently estimated at 1.74.

—  Net balance sheet duration is currently estimated at 0.89.

—  REPO borrowings total $179.73 million.

—  Debt to equity ratio (2) = 8.39x.

—  Eurodollar Futures to replicate swaps total $60.0 million (35.1% of non-true ARMS).

—  Cash on hand & short term principal & interest receivables: $10.83 million.


•  Dividend and Earnings Update

—  ARMOUR paid a $0.40 per share dividend for Q1 2010 on April 29,2010.

—  The $0.40 dividend represents estimated REIT Taxable Earnings for Q1 2010.

—  The REIT Taxable Earnings represents an annualized return on equity of 17.2% based on an estimated 3/31/2010 book value per share of $9.30.


  (1) Based on third party pricing.

  (2) Based on 3/31/2010 book value of $21,417,723 (or $9.30 per share).


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ARMOUR REIT Current Portfolio and Liability Information (May 7, 2010)

          (1) ARMOUR REIT Portfolio Composition

          (2) ARMOUR REIT Portfolio Constant Prepayment History

          (3) ARMOUR REIT Interest Rate Hedges and REPO Composition






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ARMOUR REIT Agency Only Portfolio Composition



Agency Asset Class

 

Current Value

 

Percentage of

Total Portfolio

 

 

 

 

 

ARMS (0-18 Months to Reset) (1)

$

17,610,494

 

9.3%

Hybrids (19 Months and Longer to Reset) (2)

$

117,724,055

 

62.4%

Seasoned 15 & 20 Year Pass-Throughs (3)

$

17,975,945

 

9.5%

Low Loan Balance 15 Year Pass-Throughs (4)

$

35,382,612

 

18.8%

Total

$

188,693,107

 

100.0%


(1) Weighted Average Months to Reset = 6.
(2) Weighted Average Months to Reset = 51.

(3) Longest Final Maturity of December 2025.
(4) Maximum Original Loan Balance of $85,000.



Agency Type

 

Current Value

 

Percentage of

Total Portfolio

 

 

 

 

 

Fannie Mae

$

102,749,459

 

54.5%

Freddie Mac

$

72,202,049

 

38.3%

Ginnie Mae

$

13,741,599

 

7.3%

Total

$

188,693,107

 

100.0%



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ARMOUR REIT Agency Only Portfolio Asset Class Detail


Agency Asset Class

Weighted Average Purchase Price

Weighted Average Current Market Price

Weighted Average Coupon May 2010

Estimated Effective Duration Using Current Values

 

 

 

 

 

ARMS

103.7%

103.9%

4.13

0.34

Hybrids

103.8%

104.6%

4.44

1.60

Seasoned 15 & 20 Year Pass-Throughs

103.9%

105.7%

4.71

1.93

Low Loan Balance 15 Year Pass-Throughs

105.4%

105.6%

4.58

2.78

Totals

104.1%

104.8%

4.46

1.74

 

 

 

 

 

NOTE: Duration estimates are derived from functions available from Bloomberg Finance L.P. ARMOUR uses estimates for GNMA collateral. Actual realized yields, durations and net durations described herein will depend on a number of factors that cannot be predicted with certainty. Market prices for our securities are obtained from independent third party sources.



Estimated Balance Sheet Duration

 

Amount

Estimated Duration

Duration Effect on Balance Sheet

 

 

 

 

 

Agency Assets

$

188,693,107

1.74

1.74

Eurodollar Futures

$

60,000,000

2.67

-2.67

 

 

 

 

 

Estimated Balance Sheet Duration

0.89

 

 

 

 

 

NOTE: As rates go down the value of our Eurodollar Futures (which are 'shorts') will typically decline. Inversely, as rates go up, the value of the Eurodollar Futures will typically increase.














 

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ARMOUR REIT Portfolio Constant Prepayment Rates (CPR)



Portfolio Prepayment Information (1)

 

Asset Class Prepayment Detail (1)

 

 

 

 

 

 

   Month

 

Weighted Average

Annualized Constant

Prepayment Rate

 

  Agency Asset Class

Weighted Average

May 2010 Constant

Prepayment Rate

 

 

 

 

 

 

   December 2009

 

8.6

 

  True ARMs (0-18 Months to Reset)

27.8

   January 2010

 

12.9

 

  Hybrids (19 Months and Longer to Reset)

16.1

   February 2010

 

10.0

 

  Seasoned 15 & 20 Year Pass-Throughs

17.5

   March 2010

 

20.7

 

  Low Loan Balance 15 Year Pass-Throughs

8.9

   April 2010

 

18.8

 

 

 

   May 2010

 

16.0

 

 

 

 

 

 

 

 

 


NOTE: ARMOUR expenses amortization as it occurs.


(1) Constant Prepayment Rate (CPR) is the annualized equivalent of single monthly mortality (SMM). CPR attempts to predict the percentage of principal that will prepay over the next twelve months based on historical principal pay downs.





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ARMOUR REIT Eurodollar Futures Positions

ARMOUR REIT REPO



Eurodollar Futures to Replicate Swaps
(Maturity Dates)

 

Notional Amount

Weighted Average Rate

Duration

Longest Maturity in Months
(as of 5/7/10)

 

 

 

 

 

 

March 2012

$

20,000,000

1.181%

1.75

24

March 2013

$

21,000,000

1.809%

2.70

34

March 2014

$

19,000,000

2.439%

3.60

46

Total or Weighted Average

$

60,000,000

1.799%

2.67

33.8



REPO Counter-Party

 

Principal Borrowed

Percentage of REPO Positions with ARMOUR

Weighted Average Rate

Haircut

Longest Maturity in Days

 

 

 

 

 

 

 

MF Global

$

75,833,000

42.2%

0.280%

5%

46

Goldman Sachs

$

46,430,000

25.8%

0.254%

5%

21

South Street Securities

$

29,358,994

16.3%

0.300%

5%

35

Nomura

$

28,112,000

15.6%

0.270%

5%

19

Total or Weighted Average

$

179,733,994

100.0%

0.275%

5.00%

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ARMOUR currently has nine signed Master Repurchase Agreements, As equity capital grows, ARMOUR will increase the number of REPO counter-parties.


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