Capstead Mortgage (CMO) 8-K Regulation FD Disclosure

Exhibit 99.1

     

NYSE            Capstead Mortgage Corporation, formed            in 1985 and            Nt capitalbased in Dallas, Texas, is a self-managed real estate investment trust for federal income tax purposes. $1,017 Our core investment strategy is managing a leveraged portfolio of $860 U^ residential mortgage pass-through securities consisting almost I II exclusively of adjustable-rate mortgage, or ARM, securities.• Over 99% of our investments are issued and guaranteed by government-sponsored entities, either Fannie Mae or Freddie Mac, or by an agency of the federal government, Ginnie Mae.• Agency-guaranteed residential mortgage securities carry an implied AAA credit rating with limited, if any, credit risk. 08 09*• Coupon resets on mortgages underlying our ARM securities allow_ngs,net us to eventually recover financing spreads diminished during            n Stock periods of rising short-term rates.• During periods of falling interest rates, reductions to interest rates            OSITION 9) on our borrowings allow us to capture larger financing spreads.• We employ leverage prudently, allowing for sufficient reserves for \ price movements and principal payments. As of June 30, 2009 our \ leverage was 6.63x our long-term investment capital./We have the EXPERIENCE.• Oldest mortgage REIT (1985) er-to-Reset ARMs• Top 4 executives with the company since 1994 (67 years of com- S bined experience at Capstead) We have STABILITY.• Short-duration portfolio conservatively leveraged and appropriately hedged (net duration gap of 5 months at June 30)• Positions with 17 lending counterparties at June 30 Our STRATEGY.• Avoid residential credit risk while minimizing, but not eliminating, interest rate risk 08 09*

     

IMEHHH            NYSE > 2ND QUARTER 2009 HIGHLIGHTS• Earnings increased to $42.5 million TOTAL FINANCING SPREAD (basis points)• Diluted earnings per common share stable at $0.58 231 Total financing spreads increased 15 basis points to an average of 2.31% 216 Book value per common share increased $1.14 to $11.48 (end of quarter, or EOQ) 193 Portfolio of agency-guaranteed residential ARM securities maintained at $7.6 billion (EOQ) 163 164• Portfolio leverage reduced to 6.63 times long-term investment capital (EOQ) 117 > QUARTERLY RESULTS            June 30, Mar. 31, Dec. 31, Sept. 30, June 30, (In thousands, except per share amounts) 2009 2009 2008 2008 2008 nterest income: Mortgage securities and similar investments $ 81,062 $87,884 $95,397 $99,205 $97,332 Overnight investments and swap receivables 133 217 272 346 782 81,195 88,101 95,669 99,551 98,114q1q2Q3 Q4q1 Q2 Interest expense: 08 08 08 08 09 09 Repurchase arrangements and            similar borrowings (31,626) (39,957) (65,349) (60,032) (55,019) Unsecured borrowings (2,187) (2,187) (2,187) (2,186) (2,187) > COMMON STOCK INFORMATION (33,813) (42,144) (67,536) (62,218) (57,206) NYSE Ticker: Net interest margins 47,382 45,957 28,133 37,333 40,908 CMO            Net income 42,507 42,076 24,302 34,746 36,728 Price as of 08/06/09: ncome available to common stockholders 37,446 37,015 19,240 29,684 31,665 $13.49 Diluted earnings per share 0.58 0.57 0.32 0.52 0.58 52 wk. High/L ow: Common dividends per share 0.58 0.56 0.36 0.55 0.59 $13 74/$7 73 Common equity raises 5,760 2,677 46,992 25,237 77,143 Common shares outstanding (EOQ) 63,874 63,395 63,135 58,226 56,071 2Q Dividend: $0.58 Dividend Yield: (based on annualized 2Q dividend) > TOP COMMON STOCKHOLDERS* > ANALYSTS 17.2% Holder % O/S Firm Rating* 2Q Avg. Daily Vol.: 819K shares Wells Capital Management Inc. 9.32 BGB Securities, Inc. Buy            Barclays Global Investors, N.A. 4.56 Deutsche Bank Buy            Wellington Management Company, LLP 3.65 FBR Capital Markets Outperform > SERIES A/SERIES B PREFERRED STOCK INFO Thompson, Siegel & Walmsley LLC 3.46 Fox-Pitt Kelton Outperform NYSE Ticker: Vanguard Group, Inc. 2.84 JMP Securities LLC Outperform Cmopra/CMOPRB            Robeco Investment Management, Inc. 2.83 Keefe, Bruyette & Woods            Market Perform Price as of 08/06/09: Highland Capital Management, L.P 2.55 RBC Capital Markets Outperform $21.70/$13.88 State Street Global Advisors 2.27 Sterne Agee Neutral CallPrice:$16.40/$12.50 Loomis, Sayles & Company, L.P. 1.96 Stifel Nicolaus Buy            Liquidation Value: American Century Investment Management 1.87 *As of August 6, 2009 $16.40/$11.38 *% based on available data and shares outstanding as of August 6, 2009 Conversion Ratio: 1.5773/0.6082 Capstead Mortgage Corporation > 8401 North Central Expressway, Suite 800, Dallas, TX 75225 Annual Dividend: PH 800.358.2323 / E invrel@capstead.com / www.capstead.com $1.60/$1.26