TABLE 1. TOTAL BOOK OF BUSINESS COMPONENTS ($ in Millions) 1

Gross Mortgage Total Fannie Mae MBS Fannie Mae MBS

Portfolio and Other Guarantees in Portfolio Total Book Compounded New Business

[Table 3] [Table 4] [Table 5] of Business 4 Growth Rate 4 Acquisitions 4

March 2011 $ 757,618 $ 2,706,799 $ 238,330 $ 3,226,087 2.6% $ 57,840

April 2011 746,814 2,698,607 231,116 3,214,305 (4.3%) 39,278May 2011 737,850 2,700,939 234,674 3,204,115 (3.7%) 36,136

June 2011 731,801 2,701,116 231,541 3,201,376 (1.0%) 41,431July 2011 727,953 2,691,626 227,530 3,192,049 (3.4%) 39,426August 2011 725,464 2,689,342 227,823 3,186,983 (1.9%) 44,306

September 2011 722,158 2,689,915 224,687 3,187,386 0.2% 55,336

October 2011 720,895 2,684,585 225,695 3,179,785 (2.8%) 58,438

November 2011 713,495 2,684,305 220,354 3,177,446 (0.9%) 69,097December 2011 708,414 2,696,151 220,061 3,184,504 2.7% 79,907

Full Year 2011 $ 708,414 $ 2,696,151 $ 220,061 $ 3,184,504 (1.2%) $ 652,848

January 2012 $ 699,342 $ 2,696,409 $ 214,483 $ 3,181,268 (1.3%) $ 63,876

February 2012 696,018 2,696,939 212,773 3,180,184 (0.4%) 62,187March 2012 691,663 2,721,901 209,834 3,203,730 9.3% 95,310

YTD 2012 $ 691,663 $ 2,721,901 $ 209,834 $ 3,203,730 2.4% $ 221,373

TABLE 2. PORTFOLIO COMMITMENTS ($ in Millions) 1, 2, 3, 4 TABLE 3. GROSS MORTGAGE PORTFOLIO ($ in Millions) 1, 2

Commitments Commitments Net Retained Compounded Annualized

to Purchase, Net to Sell Commitments Purchases 3, 4 Sales 3 Liquidations 4 End Balance 3, 4 Growth Rate 3, 4 Liquidation Rate 4

March 2011 $ 44,387 $ (39,939) $ 4,448 $ 12,855 $ (8,512) $ (13,151) $ 757,618 (13.0%) (20.59%)

April 2011 34,709 (31,369) 3,340 10,633 (8,626) (12,811) 746,814 (15.8%) (20.29%)May 2011 35,996 (31,544) 4,452 9,909 (6,942) (11,931) 737,850 (13.5%) (19.17%)June 2011 37,421 (31,627) 5,794 12,281 (6,067) (12,263) 731,801 (9.4%) (19.94%)

July 2011 43,071 (38,303) 4,768 13,627 (5,983) (11,492) 727,953 (6.1%) (18.85%)

August 2011 59,990 (52,795) 7,195 13,225 (4,888) (10,826) 725,464 (4.0%) (17.85%)

September 2011 54,057 (48,963) 5,094 15,281 (7,065) (11,522) 722,158 (5.3%) (19.06%)

October 2011 54,764 (49,461) 5,303 18,015 (7,686) (11,592) 720,895 (2.1%) (19.26%)

November 2011 61,280 (59,195) 2,085 17,857 (13,499) (11,758) 713,495 (11.6%) (19.57%)

December 2011 51,361 (45,065) 6,296 19,986 (12,248) (12,819) 708,414 (8.2%) (21.56%)

Full Year 2011 $ 575,620 $ (516,238) $ 59,382 $ 173,978 $ (108,430) $ (145,905) $ 708,414 (10.2%) (18.50%)

January 2012 $ 66,502 $ (61,882) $ 4,620 $ 17,313 $ (14,442) $ (11,943) $ 699,342 (14.3%) (20.23%)

February 2012 64,682 (60,992) 3,690 19,908 (12,487) (10,745) 696,018 (5.6%) (18.44%)

March 2012 68,308 (64,540) 3,768 21,675 (14,317) (11,713) 691,663 (7.3%) (20.19%)

YTD 2012 $ 199,492 $ (187,414) $ 12,078 $ 58,896 $ (41,246) $ (34,401) $ 691,663 (9.1%) (19.42%)

TABLE 4. FANNIE MAE GUARANTEED SECURITIES AND MORTGAGE LOANS ($ in Millions) 1

Fannie Mae Other Total Fannie Mae

MBS Annualized Fannie Mae MBS and Other Compounded Mortgage

Issuances 5 Liquidations 4 End Balance 4 Liquidation Rate4 Guarantees Guarantees 4 Growth Rate 4 Loans 4

March 2011 $ 54,252 $ (42,121) $ 2,670,697 (19.01%) $ 36,102 $ 2,706,799 5.5% $ 421,856 $ 3,128,655

April 2011 34,516 (42,458) 2,662,755 (19.08%) 35,852 2,698,607 (3.6%) 419,334 3,117,941

May 2011 40,535 (38,146) 2,665,144 (17.19%) 35,795 2,700,939 1.0% 407,758 3,108,697

June 2011 35,732 (36,682) 2,664,194 (16.52%) 36,922 2,701,116 0.1% 405,417 3,106,533

July 2011 31,753 (42,121) 2,653,826 (18.97%) 37,800 2,691,626 (4.1%) 405,403 3,097,029

August 2011 39,918 (43,040) 2,650,704 (19.46%) 38,638 2,689,342 (1.0%) 403,480 3,092,822

September 2011 47,893 (47,964) 2,650,633 (21.71%) 39,282 2,689,915 0.3% 403,805 3,093,720

October 2011 53,022 (59,605) 2,644,050 (26.98%) 40,535 2,684,585 (2.4%) 402,628 3,087,213

November 2011 63,703 (64,809) 2,642,944 (29.41%) 41,361 2,684,305 (0.1%) 401,669 3,085,974

December 2011 76,346 (65,545) 2,653,745 (29.76%) 42,406 2,696,151 5.4% 398,271 3,094,422

Full Year 2011 $ 598,672 $ (604,969) $ 2,653,745 (22.74%) $ 42,406 $ 2,696,151 0.0% $ 398,271 $ 3,094,422

January 2012 $ 59,734 $ (60,862) $ 2,652,617 (27.52%) $ 43,792 $ 2,696,409 0.1% $ 395,880 $ 3,092,289

February 2012 56,723 (55,515) 2,653,825 (25.11%) 43,114 2,696,939 0.2% 395,188 3,092,127

March 2012 89,149 (63,634) 2,679,340 (28.77%) 42,561 2,721,901 11.7% 394,777 3,116,678YTD 2012 $ 205,606 $ (180,011) $ 2,679,340 (27.13%) $ 42,561 $ 2,721,901 3.9% $ 394,777 $ 3,116,678

Total Fannie Mae MBS 

MON

and Mortgage Loans 4

Guaranteed Securities

Fannie Mae

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 Fannie Mae’s B

compound annu

 Fannie Mae’s G

compound annu

 The Convention

Rate fell fifteen the Multifamily 

basis points to 

 The Effective D

averaged zero 

 Fannie Mae com

March, for a totthree months eIMPORTANT NFannie Mae has Federal Housinconservator, sin

Numbers may not sum due to rounding See Endnotes and Glossary on Page 3 and 4 
TABLE 5. MORTGAGE PORTFOLIO COMPOSITION ($ in Millions) 1

Mortgage M

Purchases Sales Liquidations Securitizations 6 End Balance Loans 4 Agency Non-Agency 

March 2011 $ 1,054 $ (8,474) $ (4,412) $ 8,213 $ 238,330 $ 421,856 $ 16,829 $ 80,603 $ 

April 2011 1,167 (8,540) (4,545) 4,704 231,116 419,334 16,433 79,931 May 2011 739 (6,895) (3,855) 13,569 234,674 407,758 16,117 79,301 

June 2011 2,296 (6,001) (3,714) 4,286 231,541 405,417 16,078 78,765 July 2011 1,392 (5,983) (3,982) 4,562 227,530 405,403 16,859 78,161 August 2011 1,464 (4,737) (3,807) 7,373 227,823 403,480 16,562 77,599 September 2011 1,353 (6,943) (4,031) 6,485 224,687 403,805 16,603 77,063 October 2011 1,409 (7,589) (4,002) 11,190 225,695 402,628 16,351 76,221 November 2011 1,204 (13,402) (4,402) 11,259 220,354 15,939 401,669 75,533 

December 2011 2,131 (12,020) (4,698) 14,294 220,061 15,552 398,271 74,530 

Full Year 2011 18,097 $ (106,940) $ (53,230) $ 101,705 $ 220,061 $ 398,271 $ 15,552 $ 74,530 $ 

$ 

January 2012 1,675 $ (14,379) $ (4,370) $ 11,496 $ $ 214,483 $ 15,229 395,880 $ 73,750 $ 

$ 

February 2012 1,711 (12,291) (3,863) 12,733 212,773 14,869 395,188 73,188 

March 2012 1,371 (14,276) (4,177) 14,143 209,834 14,519 394,777 72,533 

YTD 2012 4,757 $ (40,946) $ (12,410) $ 38,372 $ 209,834 $ 394,777 $ 14,519 $ 72,533 $ 

$ 

TABLE 6. OTHER INVESTMENTS ($ in Millions) 1 TABLE 7. DEBT ACTIVITY ($ in Millions) 7

Original Maturity 

Other Investments < 1 Year Maturities and Foreign Exchange 

End Balance End Balance Issuances Redemptions Repurchases Adjustments End Balance 

March 2011 $ March 2011 76,707 $ 147,159 $ 12,894 $ (33,758) $ (628) $ - $ 626,832 $ 

April 2011 April 2011 98,193 175,061 6,924 (23,897) (185) 58 609,732 

May 2011 May 2011 68,815 158,118 7,366 (27,766) (50) (27) 589,255 

June 2011 June 2011 68,809 162,072 15,520 (31,080) (63) (13) 573,619 

July 2011 July 2011 78,940 175,225 16,669 (24,135) (543) 22 565,632 

August 2011 August 2011 87,757 189,371 25,826 (38,522) - (8) 552,928 

September 2011 September 2011 95,330 193,795 38,847 (30,335) (20) (26) 561,394 October 2011 October 2011 94,942 166,199 33,515 (22,957) - 22 571,974 November 2011 November 2011 101,460 150,644 41,152 (26,665) - (19) 586,442 

December 2011 December 2011 113,342 146,805 19,411 (10,357) - (8) 595,488 

Full Year 2011 $ Full Year 2011 113,342 $ 146,805 $ 257,085 $ (300,628) $ (2,862) $ 28 $ 595,488 $ 

January 2012 $ January 2012 117,542 $ 151,348 $ 15,995 $ (25,150) $ - $ 10 $ 586,343 $ 

February 2012 February 2012 101,597 128,288 18,080 (16,928) - 8 587,503 

March 2012 March 2012 88,945 110,892 25,409 (29,282) - 3 583,633 YTD 2012 $ YTD 2012 88,945 $ 110,892 $ 59,484 $ (71,360) $ - $ 21 $ 583,633 $ 

TABLE 8. INTEREST RATE RISK DISCLOSURES ($ in Billions) TABLE 9. SERIOUS DELINQUENCY RATES

Effective Multifamily

Rate Level Rate Slope Duration Gap Non-Credit Credit

Shock (50 bp) Shock (25 bp) (in months) Enhanced Enhanced Total Total 9

March 2011 $ (0.2) $ (0.1) 0 March 2011 3.26% 10.13% 4.27% 0.64%April 2011 (0.1) 0.0 0 April 2011 3.21% 9.95% 4.19% 0.57%May 2011 (0.1) (0.1) 0 May 2011 3.17% 9.84% 4.14% 0.52%

June 2011 (0.2) (0.1) 0 June 2011 3.14% 9.72% 4.08% 0.46%

July 2011 (0.2) (0.1) 0 July 2011 3.14% 9.69% 4.08% 0.45%

August 2011 (0.2) (0.2) 0 August 2011 3.10% 9.57% 4.03% 0.43%

September 2011 (0.1) (0.1) 0 September 2011 3.10% 9.43% 4.00% 0.57%

October 2011 0.0 0.0 0 October 2011 3.11% 9.41% 4.00% 0.58%

November 2011 (0.1) 0.0 0 November 2011 3.13% 9.32% 4.00% 0.60%

December 2011 0.0 0.0 0 December 2011 3.07% 9.10% 3.91% 0.59%

Full Year 2011 $ (0.1) $ (0.1)

January 2012 $ (0.1) $ 0.0 0 January 2012 3.08% 9.03% 3.90% 0.52%

February 2012 0.0 0.0 0 February 2012 3.03% 8.77% 3.82% 0.43%

March 2012 0.0 0.0 0 March 2012 2.93% 8.35% 3.67% 0.37%YTD 2012 $ 0.0 $ 0.0

Market Value Sensitivity 

Fannie Mae MBS in Portfolio Mortgage Securities

Non-Fannie Mae

Conventional Single-Family 8

Original Maturity > 1 Year

Numbers may not sum due to rounding See Endnotes and Glossary on Page 3 and 4 
1.

2.3.4.5.6.7.8.9.

Reported amounts represent the UPB at each reporting period or, in the case of the long-term zero coupon bonds, at maturity. UPeffect of debt basis adjustments, including discounts, premiums, and issuance costs.Calculated based on the UPB of seriously delinquent multifamily loans owned by Fannie Mae or underlying Fannie Mae guaranteethe UPB of multifamily loans owned by Fannie Mae or underlying Fannie Mae guaranteed securities.Includes seriously delinquent conventional single-family loans as a percent of the total number of conventional single-family loans. on conventional single-family mortgage loans and exclude reverse mortgages and non-Fannie Mae mortgage securities held in ouenhanced refers to loans that have primary mortgage insurance and/or other credit enhancements.Securitizations in Table 5 represent new Fannie Mae MBS created from mortgage assets held in the mortgage portfolio, including amounts are included in issuances in Table 4 and, if sold during the month, will be included in sales in Table 5. Our securitizations portfolio the prior month will reduce the mortgage loans reported in Table 5.

ENDNOTES

The end balances and business activity in this report represent unpaid principal balances ("UPB"), which do not reflect market valuallowance for loan losses, impairments, unamortized premiums and discounts, and the impact of consolidation of variable interest As of March 31, 2012, our gross mortgage portfolio end balance, after taking into account net outstanding commitments to sell of $

billion.Gross commitments in Table 2 include dollar roll transactions (purchase commitments with concurrent agreements to re-sell later, with concurrent agreements to repurchase later) in the month in which we enter into them. Table 3 reflects activity from settlementaccounted for as purchases and sales of securities, but does not include activity from settlements of dollar rolls that are accounted financings. Dollar roll activity may result in volatility on a month-to-month basis in our reported portfolio commitments, purchases, and compounded growth rate.Initiatives to repurchase delinquent loans out of MBS trusts may result in additional volatility on a month-to-month basis.Includes Fannie Mae mortgage-backed securities ("Fannie Mae MBS") issued from Fannie Mae's mortgage portfolio. See Table 5 balances for Fannie Mae MBS held in portfolio. 
General

Table 1Table 2Table 3Table 4Table 5Table 6Table 7Table 8Table 9Other Investments. The $88.9 billion total as of March 31, 2012 consists of $87.0 billion of cash and readily marketable instruments such as certificates of deposit, federal funds sold, securities purcTreasury bills and $1.9 billion of non-governmental asset-backed securities. We began including cash in these amounts with the balance as of October 31, 2011. The $95.3 billion balance as of Septe$103.5 billion if we had included cash.

GLOSSARY & OTHER INFORMATION

Risk Disclosures. In addition to the interest rate risk disclosures provided in Table 8, Fannie Mae's most recent available information relating to subordinated debt, liquidity management, corporate rin its most recent Form 10-K or Form 10-Q filed with the Securities and Exchange Commission.Compounded Growth Rate. Monthly growth rates are compounded to provide an annualized rate of growth.Total Book of Business. Sum of the Gross Mortgage Portfolio balance and Total Fannie Mae MBS and Other Guarantees balance, less Fannie Mae MBS held in the mortgage portfolio.

New Business Acquisitions. Sum of MBS issuances and Mortgage Portfolio purchases less Fannie Mae MBS purchases and securitizations of mortgage loans previously held in portfolio.

Portfolio Commitments. Represents mandatory commitments entered into during the month. Fannie Mae enters into forward commitments to purchase mortgage securities and mortgage loans, or mortgage portfolio. Purchase commitments typically require mandatory delivery and are subject to the payment of pair-off fees for non-delivery. 

Commitments to Purchase, Net. Represents mandatory commitments to purchase mortgage loans and mortgage securities, net of mortgage loans for which a cash pair-off has been paid. Pair

delivered against mandatory commitments.Commitments to Sell. Represents mandatory commitments to sell mortgage securities.Liquidations. Represents the total amount of repayments, curtailments, payoffs, and foreclosures on mortgage loans and mortgages underlying securities held in the mortgage portfolio.

Annualized Liquidation Rate. The liquidation rate is calculated as liquidations divided by the prior period ending balance of the mortgage portfolio, annualized. 

Fannie Mae Guaranteed Securities and Mortgage Loans. Consists of securities and mortgage loans for which Fannie Mae manages credit risk. This table excludes non-Fannie Mae securities helshown in Table 5.

Total Fannie Mae MBS. Includes Fannie Mae MBS, private label wraps, whole loan REMICs, and Ginnie Mae wraps. Also includes Multifamily discount MBS (DMBS) that Fannie Mae guarantee

are held in the mortgage portfolio or held by investors other than Fannie Mae. If an MBS has been resecuritized into another MBS, the principal amount is only included once in this total. Net Retained Commitments. Represents mandatory commitments to purchase, less commitments to sell, net of mortgage loans for which a cash pair-off has been paid. 

Gross Mortgage Portfolio. End balance represents the unpaid principal balance ("UPB") of the mortgage portfolio that Fannie Mae holds for investment and liquidity purposes. 

Purchases. Acquisition of mortgage loans and mortgage securities for the mortgage portfolio. Includes capitalized interest.Sales. Sales of mortgage securities from the mortgage portfolio.

Serious Delinquency Rates. A measure of credit performance and indicator of future defaults for the single-family and multifamily mortgage credit books. We include single-family loans that are thre

foreclosure process, and multifamily loans that are 60 days or more past due. We include conventional single-family loans that we own and that back Fannie Mae MBS in our single-family delinquenccredit enhancement.Debt Activity. Debt is classified in the table based on its original maturity. For debt with an original term of more than one year, the portion of that long-term debt that is due within one year is not recYear." The $694.5 billion of total debt outstanding as of March 31, 2012 excludes $7.8 billion of debt securities issued to MBS trusts. For more information about Fannie Mae's debt activity, please vishttp://www.fanniemae.com/portal/funding-the-market/debt/debt-activity/index.html?. 

Our interest rate risk measures provide useful estimates of key interest-rate risk and include the impact of our purchases and sales of derivative instruments, which we use to limit our exposure to chabelieve that our market value sensitivity and duration gap metrics are useful risk management tools, they should be understood as estimates rather than precise measurements. Methodologies emplosensitivity disclosures are periodically changed on a prospective basis to reflect improvements in the underlying estimation processes.Market Value Sensitivity to Rate Level Shock (50bp). This measurement shows the estimated loss in pre-tax market value of Fannie Mae’s assets and liabilities from an immediate adverse 50 basrates. The amounts shown are estimates, not precise measurements. The measurement excludes any sensitivity of the guaranty business. Fannie Mae tracks the daily average of this measurement Market Value Sensitivity to Rate Slope Shock (25bp). This measurement shows the estimated loss in pre-tax market value of Fannie Mae’s assets and liabilities from an immediate adverse 25 basLIBOR yield curve. To calculate the adverse change in the slope of the LIBOR yield curve, the company calculates the effect of a 25 basis point change in slope that results in a steeper LIBOR yield cchange in slope that results in a flatter LIBOR yield curve, and reports the more adverse of the two results. The amounts shown are estimates, not precise measurements. The measurement excludebusiness. Fannie Mae tracks the daily average of this measurement for the reported month.

Non-Fannie Mae Non-Agency Securities. These are commonly referred to as "private-label securities."

Effective Duration Gap. The effective duration gap estimates the net sensitivity of the fair value of Fannie Mae’s assets and liabilities to movements in interest rates. This statistic is expressed as a average for the reported month. A duration gap of zero implies that the change in the fair value of assets from an interest rate move will be offset by an equal move in the fair value of liabilities, includno change in the fair value of the net assets. The calculation excludes any sensitivity of the guaranty business. 

Issuances. Represents the total amount of Fannie Mae MBS created during the month, including lender-originated issues and Fannie Mae MBS created from mortgage loans previously held in FMBS may be held in portfolio after their creation.Liquidations. Represents the total amount of repayments, curtailments, payoffs, and foreclosures on mortgages underlying Fannie Mae MBS, including Fannie Mae MBS held in the mortgage po

Mortgage Portfolio Composition. Shows the primary components of Fannie Mae's mortgage portfolio and activity relating to Fannie Mae MBS held in the mortgage portfolio.

Non-Fannie Mae Agency Securities. Represents mortgage-related securities issued by Freddie Mac and Ginnie Mae.Other Fannie Mae Guarantees. Outstanding balance of Fannie Mae guarantees, other than Fannie Mae MBS. This primarily includes long-term standby commitments we have issued and credAnnualized Liquidation Rate. The liquidation rate is calculated as liquidations divided by the prior period ending balance of total Fannie Mae MBS, annualized.