Federated Investors, Inc.

Management's Discussion of Fund Performance (unaudited)

The Fund's total return, based on net asset value, for the 12-month reporting period ended August 31, 2013, was -0.57% for the Institutional Shares and -0.80% for the Service Shares. The BofA Merrill Lynch 1-Year U.S. Treasury Note Index (BAML1T),¹ the Fund's broad-based securities market index, returned 0.28% during the same period. The Fund's total return for the most recently completed fiscal year reflected actual cash flows, transaction costs and other expenses, not reflected in the total return of the BAML1T.

During the reporting period, the Fund's investment strategy focused on sector allocation among agency adjustable and fixed-rate, pass-through securities. This was the most significant factor affecting the Fund's performance relative to the BAML1T.

The following discussion will focus on the performance of the Fund's Institutional Shares. The Fund's Institutional Shares underperformed the BAML1T. The -0.57% total return of the Institutional Shares consisted of 0.60% in taxable dividends and depreciation of 1.17% in the net asset value of the shares.

MARKET OVERVIEw

Although there were positive signs of economic growth, overall the expansion remained sluggish despite central bank support. Encouraging developments included declining jobless claims, increasing auto sales and an ongoing recovery in housing. Still, the rate of growth remained sub-par despite massive central bank intervention as fiscal limitations restrained government spending, and the private economic expansion was not adequately robust to produce strong headline growth.

Central banks across the globe continued to pursue stimulative monetary policies via directly controlled short-term interest rates as well as quantitative easing (QE) programs designed to restrain longer-term rates. For example, the European Central Bank, the Bank of Japan and the Federal Reserve (the “Fed”) all pursued QE programs involving the purchase of government debt, including mortgage-backed securities (MBS). The Fed's latest bond buying program included open-ended purchases of Treasury and agency MBS debt. In the latter half of the reporting period, Fed officials indicated the potential for a reduction in the pace of buying before ceasing all purchases—possibly in 2014.

With the precise timeline of program reduction and conclusion being uncertain, investor demand for fixed income instruments declined and interest rates rose. Yields increased considerably during the final four months of the reporting period. For example, the 10-year U.S. Treasury yield increased over 100 basis points during that time in anticipation of reduced Fed purchases. Similarly, spreads on MBS widened in sympathy under the expectation that the market's largest buyer, the Fed, would reduce its demand.

Annual Shareholder Report

Ten-year Treasury yields increased 124 basis points to yield 2.79% while two-year yields increased 18 basis points to 0.40%.²

SECTOR ALLOCATION

By prospectus, at least 80% of portfolio assets consist of adjustable rate securities, including adjustable rate mortgage pass-throughs and monthly adjustable collateralized mortgage obligations (CMOs).³ The combination of higher market yields and wider spreads resulted in lower prices for these asset classes. As a result, they underperformed similar duration Treasury securities over the course of the year. Fixed rate MBS also lagged Treasury performance, but to a larger extent, as Federal Reserve QE purchases are concentrated in the fixed coupon universe. Overall, sector allocation acted as a drag on Fund performance.

1	Please see the footnotes to the line graphs under “Fund Performance and Growth of a $10,000 Investment” below for the definition of, and more information about, the BAML1T.
2	Bond prices are sensitive to changes in interest rates, and a rise in interest rates can cause a decline in their prices.
3	The value of some mortgage-backed securities may be particularly sensitive to changes in prevailing interest rates, and although the securities are generally supported by some form of government or private insurance, there is no assurance that private guarantors or insurers will meet their obligations.

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FUND PERFORMANCE AND GROWTH OF A $10,000 INVESTMENT

The Average Annual Total Return table below shows returns for each class averaged over the stated periods. The graphs below illustrate the hypothetical investment of $10,000¹ in the Federated Adjustable Rate Securities Fund (the “Fund”) from August 31, 2003 to August 31, 2013, compared to the BofA Merrill Lynch 1-Year U.S. Treasury Note Index (BAML1T).²

Average Annual Total Returnsfor the Periods Ended 8/31/2013

Share Class	1 Year	5 Years	10 Years
Institutional Shares	-0.57%	1.83%	2.60%
Service Shares	-0.80%	1.58%	2.36%

Performance data quoted represents past performance which is no guarantee of future results. Investment return and principal value will fluctuate so that an investor's shares, when redeemed, may be worth more or less than their original cost. Mutual fund performance changes over time and current performance may be lower or higher than what is stated. For current to the most recent month-end performance and after-tax returns, visit FederatedInvestors.com or call 1-800-341-7400. Returns shown do not reflect the deduction of taxes that a shareholder would pay on Fund distributions or the redemption of Fund shares. Mutual funds are not obligations of or guaranteed by any bank and are not federally insured.

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Portfolio of Investments Summary Table (unaudited)

At August 31, 2013, the Fund's portfolio composition¹ was as follows:

Type of Investment	Percentage of Total Net Assets
U.S. Government Agency Mortgage-Backed Securities	54.2%
U.S. Government Agency Adjustable Rate Mortgage Securities	42.6%
Non-Agency Mortgage-Backed Securities	0.9%
Cash Equivalents²	2.0%
Other Assets and Liabilities—Net³	0.3%
TOTAL	100.0%

1	See the Fund's Prospectus and Statement of Additional Information for a description of the types of securities in which the Fund invests.
2	Cash Equivalents include any investments in money market mutual funds and/or overnight repurchase agreements.
3	Assets, other than investments in securities, less liabilities. See Statement of Assets and Liabilities.

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Portfolio of Investments

August 31, 2013

Principal Amount		Value
	ADJUSTABLE RATE MORTGAGES—42.6%
	Federal Home Loan Mortgage Corporation ARM—15.2%
$3,592,524	2.041%, 5/1/2035	$3,747,351
3,398,887	2.052%, 7/1/2030	3,482,588
13,361,025	2.113%, 7/1/2034	13,958,236
2,953,302	2.214%, 2/1/2035	3,077,226
4,150,606	2.215%, 7/1/2038	4,378,569
147,402	2.250%, 4/1/2035	153,657
7,581,669	2.283%, 11/1/2036	8,013,195
378,595	2.310%, 4/1/2027	393,048
30,325	2.342%, 9/1/2020	30,859
5,536,558	2.375%, 4/1/2034	5,858,094
13,165,562	2.385%, 1/1/2038	13,927,584
1,591,921	2.391%, 4/1/2034	1,683,702
8,556,223	2.398%, 2/1/2035	9,062,127
6,941,797	2.457%, 1/1/2035	7,298,383
4,622,223	2.467%, 8/1/2035	4,911,302
1,440,207	2.480%, 4/1/2036	1,527,969
4,636,431	2.484%, 5/1/2035	4,942,430
3,858,684	2.505%, 11/1/2034	4,098,231
1,954,071	2.525%, 7/1/2036	2,055,365
7,942,293	2.529%, 7/1/2036	8,343,371
1,338,947	2.640%, 4/1/2038	1,433,510
7,082,483	2.693%, 10/1/2033	7,529,040
4,427,153	2.695%, 4/1/2037	4,731,263
5,613,045	2.731%, 12/1/2034	5,979,908
6,023,603	2.825%, 7/1/2035	6,439,268
2,658,514	2.836%, 2/1/2036	2,817,276
3,272,218	2.848%, 12/1/2039	3,447,658
	TOTAL	133,321,210
	Federal National Mortgage Association ARM—27.3%
5,758,260	1.360%, 3/1/2044	5,832,254
2,710,519	1.410%, 7/1/2042	2,738,506
2,226,196	1.820%, 9/1/2033	2,300,622
1,649,383	1.850%, 7/1/2036	1,705,997
3,033,419	1.880%, 10/1/2033	3,137,639
6,202,737	1.900%, 8/1/2034	6,468,935

Annual Shareholder Report

Principal Amount		Value
	ADJUSTABLE RATE MORTGAGES—continued
	Federal National Mortgage Association ARM—continued
$4,882,739	1.940%, 8/1/2034	$5,082,405
6,318,210	1.980%, 5/1/2039	6,568,360
1,221,444	2.020%, 5/1/2035	1,273,084
3,538,477	2.050%, 6/1/2034	3,688,417
794,377	2.060%, 11/1/2035	824,321
706,856	2.110%, 5/1/2038	733,558
2,978,842	2.120%, 12/1/2034	3,103,736
5,248,217	2.150%, 10/1/2037	5,527,007
82,557	2.180%, 2/1/2020	84,347
104,043	2.220%, 10/1/2033	109,671
1,762,838	2.240%, 7/1/2035	1,844,838
2,632,720	2.250%, 2/1/2019 - 5/1/2035	2,766,707
1,822,325	2.290%, 10/1/2035	1,920,484
6,751,270	2.310%, 5/1/2036	7,142,958
3,501,630	2.320%, 7/1/2035	3,657,386
26,477,282	2.340%, 5/1/2018 - 12/1/2040	27,965,031
15,980,457	2.360%, 1/1/2035 - 1/1/2039	16,880,716
3,838,068	2.370%, 7/1/2035	4,056,941
217,862	2.380%, 4/1/2034	230,399
10,433,136	2.390%, 2/1/2033 - 1/1/2035	10,956,597
51,943	2.420%, 10/1/2016	52,502
10,613,461	2.440%, 3/1/2039	11,262,060
2,532,196	2.450%, 6/1/2034 - 2/1/2036	2,664,927
4,137,163	2.470%, 7/1/2035	4,344,286
3,269,659	2.480%, 10/1/2035	3,481,478
2,986,127	2.500%, 5/1/2035	3,185,863
15,307,638	2.510%, 8/1/2039	16,159,631
964,318	2.540%, 12/1/2034	1,018,704
9,512,171	2.560%, 7/1/2035 - 2/1/2042	10,002,753
247,371	2.600%, 7/1/2027	260,650
3,684,310	2.610%, 1/1/2036	3,931,575
2,710,009	2.720%, 10/1/2037	2,868,710
3,169,199	2.750%, 12/1/2040	3,293,108
2,239,151	2.790%, 5/1/2036	2,397,291
4,390,931	2.850%, 12/1/2039	4,629,960
23,323,554	2.910%, 8/1/2035	24,653,813
4,331,741	3.010%, 11/1/2040	4,533,973
5,865,056	3.580%, 1/1/2040	6,279,275

Annual Shareholder Report

Principal Amount		Value
	ADJUSTABLE RATE MORTGAGES—continued
	Federal National Mortgage Association ARM—continued
$3,041,637	3.850%, 7/1/2039	$3,236,265
4,744,684	3.950%, 11/1/2039	4,995,982
	TOTAL	239,853,722
	Government National Mortgage Association ARM—0.1%
917,414	1.625%, 1/20/2022 - 10/20/2029	937,781
276,235	1.750%, 7/20/2023 - 9/20/2023	282,277
22,378	2.000%, 1/20/2030	23,493
	TOTAL	1,243,551
	TOTAL ADJUSTABLE RATE MORTGAGES (IDENTIFIED COST $369,669,211)	374,418,483
	COLLATERALIZED MORTGAGE OBLIGATIONS—48.5%
	Federal Home Loan Mortgage Corporation—16.4%
6,153,060	REMIC 4149 F, 0.434%, 1/15/2033	6,108,759
3,381,345	REMIC 3012 EF, 0.484%, 8/15/2035	3,375,957
3,303,156	REMIC 3236 KF, 0.484%, 11/15/2036	3,290,274
15,050,664	REMIC 3284 BF, 0.484%, 3/15/2037	15,066,764
6,943,736	REMIC 4116 MF, 0.484%, 11/15/2039	6,921,974
19,189,815	REMIC 4132 FE, 0.484%, 12/15/2040	19,127,989
3,618,756	REMIC 3284 AF, 0.494%, 3/15/2037	3,605,285
592,456	REMIC 3001 EA, 0.534%, 3/15/2035	594,801
926,520	REMIC 3155 PF, 0.534%, 5/15/2036	928,905
737,429	REMIC 3174 FL, 0.534%, 6/15/2036	739,144
3,578,795	REMIC 3380 FP, 0.534%, 11/15/2036	3,583,062
1,010,055	REMIC 3179 FP, 0.564%, 7/15/2036	1,010,732
2,005,870	REMIC 2819 F, 0.584%, 6/15/2034	2,014,682
787,085	REMIC 3301 MF, 0.584%, 4/15/2037	785,536
668,740	REMIC 3221 FW, 0.604%, 9/15/2036	670,446
909,584	REMIC 3213 GF, 0.614%, 9/15/2036	912,545
1,091,889	REMIC 3085 UF, 0.634%, 12/15/2035	1,097,762
6,050,722	REMIC 3981 FC, 0.634%, 1/15/2038	6,064,470
11,857,635	REMIC 4048 FA, 0.634%, 5/15/2042	11,877,584
8,086,852	REMIC 4089 F, 0.634%, 8/15/2042	8,062,579
2,762,713	REMIC 3156 HF, 0.669%, 8/15/2035	2,778,781
12,312,674	REMIC 3740 FB, 0.684%, 10/15/2040	12,340,483
871,317	REMIC 2475 FD, 0.734%, 6/15/2031	882,771
7,398,338	REMIC 3996 YF, 0.734%, 2/15/2042	7,408,232
765,791	REMIC 2380 FL, 0.784%, 11/15/2031	778,424
2,160,216	REMIC 3593 CF, 0.784%, 2/15/2036	2,189,925

Annual Shareholder Report

Principal Amount		Value
	COLLATERALIZED MORTGAGE OBLIGATIONS—continued
	Federal Home Loan Mortgage Corporation—continued
$9,532,937	REMIC 3609 FA, 0.844%, 12/15/2039	$9,716,829
3,272,037	REMIC 3550 GF, 0.934%, 7/15/2039	3,331,734
3,504,319	REMIC 3556 FA, 1.094%, 7/15/2037	3,584,704
298,787	REMIC 2448 FA, 1.184%, 1/15/2032	305,598
316,126	REMIC 2452 FC, 1.184%, 1/15/2032	323,332
825,895	REMIC 2480 NF, 1.184%, 1/15/2032	845,687
1,134,531	REMIC 2475 F, 1.184%, 2/15/2032	1,162,714
830,085	REMIC 2434 FA, 1.184%, 3/15/2032	850,485
260,884	REMIC 2470 EF, 1.184%, 3/15/2032	267,295
256,882	REMIC 2498 AF, 1.184%, 3/15/2032	263,195
1,056,618	REMIC 2459 FP, 1.184%, 6/15/2032	1,081,411
	TOTAL	143,950,850
	Federal National Mortgage Association—25.3%
1,657,787	REMIC 2007-16 PF, 0.374%, 3/25/2037	1,646,653
10,901,761	REMIC 2006-W1 2AF1, 0.404%, 2/25/2046	10,792,839
6,844,861	REMIC 2006-49 PF, 0.434%, 4/25/2036	6,840,697
12,479,496	REMIC 2006-104 FC, 0.434%, 11/25/2036	12,480,719
1,972,771	REMIC 2007-20 F, 0.444%, 3/25/2037	1,962,909
8,510,530	REMIC 2007-61 AF, 0.464%, 3/25/2037	8,508,968
4,138,851	REMIC 2005-67 FJ, 0.484%, 8/25/2035	4,132,406
861,136	REMIC 2007-75 EF, 0.484%, 1/25/2036	862,243
776,667	REMIC 2006-11 FB, 0.484%, 3/25/2036	775,787
8,351,852	REMIC 2006-72 TE, 0.484%, 8/25/2036	8,356,509
7,495,520	REMIC 2012-135 FA, 0.484%, 11/25/2039	7,452,601
13,148,558	REMIC 2012-141 PF, 0.484%, 10/25/2041	13,126,008
1,227,505	REMIC 2006-20 PF, 0.504%, 11/25/2030	1,230,152
1,897,853	REMIC 2007-67 FB, 0.504%, 7/25/2037	1,895,378
764,929	REMIC 2005-67 FM, 0.534%, 8/25/2035	766,588
5,247,331	REMIC 2008-52 FD, 0.534%, 6/25/2036	5,257,455
3,829,433	REMIC 2006-65 DF, 0.534%, 7/25/2036	3,832,430
647,386	REMIC 2006-81 FA, 0.534%, 9/25/2036	649,566
9,291,722	REMIC 2012-60 EF, 0.534%, 4/25/2042	9,317,099
9,544,636	REMIC 2012-119 FB, 0.534%, 11/25/2042	9,465,453
1,495,228	REMIC 2006-8 NF, 0.554%, 3/25/2036	1,496,488
600,066	REMIC 2007-15 AF, 0.554%, 3/25/2037	599,919
4,804,459	REMIC 2004-28 PF, 0.584%, 3/25/2034	4,833,597
1,401,829	REMIC 2006-76 QF, 0.584%, 8/25/2036	1,405,527
4,102,207	REMIC 2006-103 FB, 0.584%, 10/25/2036	4,127,947

Annual Shareholder Report

Principal Amount		Value
	COLLATERALIZED MORTGAGE OBLIGATIONS—continued
	Federal National Mortgage Association—continued
$8,181,605	REMIC 2012-130 DF, 0.584%, 12/25/2042	$8,183,240
56,982	REMIC 2003-90 FL, 0.634%, 3/25/2031	57,012
321,241	REMIC 2001-57 FA, 0.634%, 6/25/2031	322,468
9,532,895	REMIC 2007-71 WF, 0.634%, 7/25/2037	9,576,294
1,308,505	REMIC 2007-88 FY, 0.644%, 9/25/2037	1,311,777
9,128,922	REMIC 2007-88 GF, 0.664%, 9/25/2037	9,148,682
516,287	REMIC 2002-52 FG, 0.684%, 9/25/2032	522,557
2,099,401	REMIC 2007-84 FN, 0.684%, 8/25/2037	2,109,766
3,208,050	REMIC 2010-39 EF, 0.704%, 6/25/2037	3,232,848
978,027	REMIC 2001-32 FA, 0.734%, 7/25/2031	992,481
254,556	REMIC 2002-77 FG, 0.734%, 12/18/2032	257,736
2,463,228	REMIC 2007-88 FW, 0.734%, 9/25/2037	2,463,103
17,462,467	REMIC 2011-4 PF, 0.734%, 2/25/2041	17,658,787
651,165	REMIC 2007-102 FA, 0.754%, 11/25/2037	655,139
325,446	REMIC 2001-71 FS, 0.784%, 11/25/2031	330,362
8,561,210	REMIC 2012-14 BF, 0.784%, 3/25/2042	8,621,398
257,875	REMIC 2001-62 FC, 0.834%, 11/25/2031	262,203
519,160	REMIC 2002-8 FA, 0.934%, 3/18/2032	529,462
5,669,928	REMIC 2009-87 FX, 0.934%, 11/25/2039	5,759,774
7,243,308	REMIC 2009-106 FN, 0.934%, 1/25/2040	7,365,864
2,643,740	REMIC 2009-78 UF, 0.954%, 10/25/2039	2,693,979
8,070,802	REMIC 2009-87 HF, 1.034%, 11/25/2039	8,219,293
1,307,472	REMIC 2002-7 FG, 1.084%, 1/25/2032	1,334,504
2,069,605	REMIC 2002-58 FG, 1.184%, 8/25/2032	2,121,126
336,311	REMIC 2002-60 FH, 1.184%, 8/25/2032	344,683
669,357	REMIC 2002-77 FA, 1.184%, 12/18/2032	686,025
2,966,808	REMIC 2008-69 FB, 1.184%, 6/25/2037	3,044,996
2,008,406	REMIC 2008-75 DF, 1.434%, 9/25/2038	2,063,010
359,076	REMIC 1995-17 B, 1.859%, 2/25/2025	363,221
	TOTAL	222,047,728
	Government National Mortgage Association—5.9%
9,233,195	REMIC 2012-H24 FC, 0.595%, 10/20/2062	9,134,806
11,550,813	REMIC 2011-H07 FA, 0.695%, 2/20/2061	11,502,046
11,450,744	REMIC 2013-H15 FA, 0.735%, 6/20/2063	11,417,410
20,000,000	REMIC 2013-H19 FC, 0.795%, 8/19/2063	20,000,000
	TOTAL	52,054,262

Annual Shareholder Report

Principal Amount		Value
	COLLATERALIZED MORTGAGE OBLIGATIONS—continued
	Non-Agency Mortgage-Backed Securities—0.9%
$8,614,176	Sequoia Mortgage Trust 2013-1, Class 1A1, 1.450%, 2/25/2043	$8,189,389
	TOTAL COLLATERALIZED MORTGAGE OBLIGATIONS (IDENTIFIED COST $425,398,908)	426,242,229
	MORTGAGE-BACKED SECURITIES—6.6%
	Federal National Mortgage Association—6.6%
34,878,844	3.000%, 8/1/2023 - 4/1/2027	35,911,775
15,917,610	4.000%, 1/1/2026 - 3/1/2026	16,789,970
811,547	4.500%, 4/1/2024	859,891
4,086,936	5.000%, 1/1/2024 - 11/1/2040	4,383,925
	TOTAL MORTGAGE-BACKED SECURITIES (IDENTIFIED COST $57,877,985)	57,945,561
	Repurchase Agreement—2.0%
17,358,000	Interest in $3,015,000,000 joint repurchase agreement 0.06%, dated 8/30/2013 under which Bank of America, N.A. will repurchase securities provided as collateral for $3,015,020,100 on 9/3/2013. The securities provided as collateral at the end of the period held with The Bank of New York Mellon, tri-party agent, were U.S. Government Agency securities with various maturities to 7/1/2042 and the market value of those underlying securities was $3,075,320,502. (AT COST)	17,358,000
	TOTAL INVESTMENTS—99.7% (IDENTIFIED COST $870,304,104)¹	875,964,273
	OTHER ASSETS AND LIABILITIES - NET—0.3%²	2,943,819
	TOTAL NET ASSETS—100%	$878,908,092

1	The cost of investments for federal tax purposes amounts to $870,304,096.
2	Assets, other than investments in securities, less liabilities. See Statement of Assets and Liabilities.

Note: The categories of investments are shown as a percentage of total net assets at August 31, 2013.

Various inputs are used in determining the value of the Fund's investments. These inputs are summarized in the three broad levels listed below:

Level 1—quoted prices in active markets for identical securities, including investment companies with daily net asset values, if applicable.

Level 2—other significant observable inputs (including quoted prices for similar securities, interest rates, prepayment speeds, credit risk, etc.). Also includes securities valued at amortized cost.

Level 3—significant unobservable inputs (including the Fund's own assumptions in determining the fair value of investments).

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The inputs or methodology used for valuing securities are not an indication of the risk associated with investing in those securities.

The following is a summary of the inputs used, as of August 31, 2013, in valuing the Fund's assets carried at fair value:

Valuation Inputs
	Level 1— Quoted Prices and Investments in Certain Investment Companies	Level 2— Other Significant Observable Inputs	Level 3— Significant Unobservable Inputs	Total
Debt Securities:
Adjustable Rate Mortgages	$—	$374,418,483	$ —	$374,418,483
Collateralized Mortgage Obligations	—	406,242,229	20,000,000	426,242,229
Mortgage-Backed Securities	—	57,945,561	—	57,945,561
Repurchase Agreement	—	17,358,000	—	17,358,000
TOTAL SECURITIES	$—	$855,964,273	$20,000,000	$875,964,273

Following is a reconciliation of assets in which significant unobservable inputs (Level 3) were used in determining fair value:

	Investments in Collateralized Mortgage Obligations
Balance as of September 1, 2012	$—
Purchases	20,000,000
Balance as of August 31, 2013	$20,000,000
The total change in unrealized appreciation (depreciation) included in the Statement of Operations attributable to investments still held at August 31, 2013.	$—

The following acronyms are used throughout this portfolio:

ARM	—Adjustable Rate Mortgage
REMIC	—Real Estate Mortgage Investment Conduit

See Notes which are an integral part of the Financial Statements

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Financial Highlights–Institutional Shares

(For a Share Outstanding Throughout Each Period)

Year Ended August 31	2013	2012	2011	2010¹	2009
Net Asset Value, Beginning of Period	$9.90	$9.83	$9.84	$9.74	$9.53
Income From Investment Operations:
Net investment income	0.06	0.09	0.10	0.13	0.25
Net realized and unrealized gain (loss) on investments	(0.12)	0.07	(0.01)	0.10	0.21
TOTAL FROM INVESTMENT OPERATIONS	(0.06)	0.16	0.09	0.23	0.46
Less Distributions:
Distributions from net investment income	(0.06)	(0.09)	(0.10)	(0.13)	(0.25)
Distributions from net realized gain on investments	(0.00)²	—	—	—	—
TOTAL DISTRIBUTIONS	(0.06)	(0.09)	(0.10)	(0.13)	(0.25)
Net Asset Value, End of Period	$9.78	$9.90	$9.83	$9.84	$9.74
Total Return³	(0.57)%	1.64%	0.89%	2.35%	4.90%
Ratios to Average Net Assets:
Net expenses	0.64%	0.64%	0.64%	0.63%	0.63%
Net investment income	0.62%	0.91%	0.98%	1.25%	2.44%
Expense waiver/reimbursement⁴	0.22%	0.21%	0.23%	0.27%	0.32%
Supplemental Data:
Net assets, end of period (000 omitted)	$806,715	$869,151	$834,688	$878,449	$427,717
Portfolio turnover	30%	35%	38%	41%	36%
Portfolio turnover (excluding purchases and sales from dollar-roll transactions)	30%	32%	35%	41%	36%

1	Beginning with the year ended August 31, 2010, the Fund was audited by KPMG LLP. The previous year was audited by another independent registered public accounting firm.
2	Represents less than $0.01.
3	Based on net asset value.
4	This expense decrease is reflected in both the net expense and the net investment income ratios shown above.

See Notes which are an integral part of the Financial Statements

Annual Shareholder Report

Financial Highlights–Service Shares

(For a Share Outstanding Throughout Each Period)

Year Ended August 31	2013	2012	2011	2010¹	2009
Net Asset Value, Beginning of Period	$9.90	$9.83	$9.84	$9.74	$9.53
Income From Investment Operations:
Net investment income	0.04	0.07	0.08	0.10	0.24
Net realized and unrealized gain (loss) on investments	(0.12)	0.07	(0.02)	0.10	0.20
TOTAL FROM INVESTMENT OPERATIONS	(0.08)	0.14	0.06	0.20	0.44
Less Distributions:
Distributions from net investment income	(0.04)	(0.07)	(0.07)	(0.10)	(0.23)
Distributions from net realized gain on investments	(0.00)²	—	—	—	—
TOTAL DISTRIBUTIONS	(0.04)	(0.07)	(0.07)	(0.10)	(0.23)
Net Asset Value, End of Period	$9.78	$9.90	$9.83	$9.84	$9.74
Total Return³	(0.80)%	1.40%	0.65%	2.10%	4.64%
Ratios to Average Net Assets:
Net expenses	0.88%	0.88%	0.89%	0.88%	0.88%
Net investment income	0.38%	0.68%	0.73%	1.04%	2.07%
Expense waiver/reimbursement⁴	0.11%	0.10%	0.11%	0.17%	0.21%
Supplemental Data:
Net assets, end of period (000 omitted)	$72,193	$99,570	$80,917	$116,916	$65,015
Portfolio turnover	30%	35%	38%	41%	36%
Portfolio turnover (excluding purchases and sales from dollar-roll transactions)	30%	32%	35%	41%	36%

1	Beginning with the year ended August 31, 2010, the Fund was audited by KPMG LLP. The previous year was audited by another independent registered public accounting firm.
2	Represents less than $0.01.
3	Based on net asset value.
4	This expense decrease is reflected in both the net expense and the net investment income ratios shown above.

See Notes which are an integral part of the Financial Statements

Annual Shareholder Report

Statement of Assets and Liabilities

August 31, 2013

Assets:
Total investment in securities, at value (identified cost $870,304,104)		$875,964,273
Cash		820
Income receivable		3,683,385
Receivable for investments sold		21,595,603
Receivable for shares sold		1,074,554
TOTAL ASSETS		902,318,635
Liabilities:
Payable for investments purchased	$21,879,856
Payable for shares redeemed	1,256,996
Income distribution payable	80,419
Payable to adviser (Note 5)	3,318
Payable for Directors'/Trustees' fees (Note 5)	1,100
Payable for shareholder services fee (Note 5)	91,729
Accrued expenses (Note 5)	97,125
TOTAL LIABILITIES		23,410,543
Net assets for 89,892,241 shares outstanding		$878,908,092
Net Assets Consist of:
Paid-in capital		$874,226,352
Net unrealized appreciation of investments		5,660,169
Accumulated net realized loss on investments		(1,016,726)
Undistributed net investment income		38,297
TOTAL NET ASSETS		$878,908,092
Net Asset Value, Offering Price and Redemption Proceeds Per Share
Institutional Shares:
$806,715,427 ÷ 82,508,964 shares outstanding, no par value, unlimited shares authorized		$9.78
Service Shares:
$72,192,665 ÷ 7,383,277 shares outstanding, no par value, unlimited shares authorized		$9.78

See Notes which are an integral part of the Financial Statements

Annual Shareholder Report

Statement of Operations

Year Ended August 31, 2013

Investment Income:
Interest			$11,872,257
Expenses:
Investment adviser fee (Note 5)		$5,654,633
Administrative fee (Note 5)		735,490
Custodian fees		42,666
Transfer agent fee		289,078
Directors'/Trustees' fees (Note 5)		8,463
Auditing fees		27,500
Legal fees		8,167
Portfolio accounting fees		175,377
Shareholder services fee (Note 5)		1,186,722
Account administration fee (Note 2)		1,242
Share registration costs		67,048
Printing and postage		34,704
Insurance premiums (Note 5)		5,685
Miscellaneous (Note 5)		39,667
TOTAL EXPENSES		8,276,442
Waiver and Reimbursements:
Waiver of investment adviser fee (Note 5)	$(1,010,688)
Reimbursement of shareholder services fee (Note 5)	(967,406)
Reimbursement of account administration fee (Note 2)	(995)
TOTAL WAIVER AND REIMBURSEMENTS		(1,979,089)
Net expenses			6,297,353
Net investment income			5,574,904
Realized and Unrealized Gain (Loss) on Investments:
Net realized gain on investments			242,519
Net change in unrealized appreciation of investments			(11,027,192)
Net realized and unrealized loss on investments			(10,784,673)
Change in net assets resulting from operations			$(5,209,769)

See Notes which are an integral part of the Financial Statements

Annual Shareholder Report

Statement of Changes in Net Assets

Year Ended August 31	2013	2012
Increase (Decrease) in Net Assets
Operations:
Net investment income	$5,574,904	$8,324,891
Net realized gain on investments	242,519	1,711,549
Net change in unrealized appreciation/depreciation of investments	(11,027,192)	4,827,479
CHANGE IN NET ASSETS RESULTING FROM OPERATIONS	(5,209,769)	14,863,919
Distributions to Shareholders:
Distributions from net investment income
Institutional Shares	(5,223,729)	(7,828,430)
Service Shares	(353,262)	(568,875)
Distributions from net realized gain on investments
Institutional Shares	(322,344)	—
Service Shares	(31,210)	—
CHANGE IN NET ASSETS RESULTING FROM DISTRIBUTIONS TO SHAREHOLDERS	(5,930,545)	(8,397,305)
Share Transactions:
Proceeds from sale of shares	595,207,744	610,026,469
Net asset value of shares issued to shareholders in payment of distributions declared	3,939,996	5,179,202
Cost of shares redeemed	(677,820,661)	(568,555,885)
CHANGE IN NET ASSETS RESULTING FROM SHARE TRANSACTIONS	(78,672,921)	46,649,786
Change in net assets	(89,813,235)	53,116,400
Net Assets:
Beginning of period	968,721,327	915,604,927
End of period (including undistributed net investment income of $38,297 and $15,260, respectively)	$878,908,092	$968,721,327

See Notes which are an integral part of the Financial Statements

Annual Shareholder Report

Notes to Financial Statements

August 31, 2013

1. ORGANIZATION

Federated Adjustable Rate Securities Fund (the “Fund”) is registered under the Investment Company Act of 1940, as amended (the “Act”), as a diversified, open-end management investment company. The Fund offers two classes of shares: Institutional Shares and Service Shares. All shares of the Fund have equal rights with respect to voting, except on class-specific matters. The investment objective of the Fund is to provide current income consistent with minimal volatility of principal.

2. SIGNIFICANT ACCOUNTING POLICIES

The following is a summary of significant accounting policies consistently followed by the Fund in the preparation of its financial statements. These policies are in conformity with U.S. generally accepted accounting principles (GAAP).

Investment Valuation

In calculating its net asset value (NAV), the Fund generally values investments as follows:

■	Fixed-income securities acquired with remaining maturities greater than 60 days are fair valued using price evaluations provided by a pricing service approved by the Trustees.
■	Fixed-income securities and repurchase agreements acquired with remaining maturities of 60 days or less are valued at their amortized cost (adjusted for the accretion of any discount or amortization of any premium), unless the issuer's creditworthiness is impaired or other factors indicate that amortized cost is not an accurate estimate of the investment's fair value, in which case it would be valued in the same manner as a longer-term security.
■	Shares of other mutual funds or non-exchange-traded investment companies are valued based upon their reported NAVs.
■	For securities that are fair valued in accordance with procedures established by and under the general supervision of the Trustees, certain factors may be considered such as: the purchase price of the security, information obtained by contacting the issuer, analysis of the issuer's financial statements or other available documents, fundamental analytical data, the nature and duration of restrictions on disposition, the movement of the market in which the security is normally traded and public trading in similar securities of the issuer or comparable issuers.

If the Fund cannot obtain a price or price evaluation from a pricing service for an investment, the Fund may attempt to value the investment based upon the mean of bid and asked quotations or fair value the investment based on price evaluations, from one or more dealers. If any price, quotation, price evaluation or other pricing source is not readily available when the NAV is calculated, or if the Fund cannot obtain price evaluations from a pricing service or from more than one dealer for an investment within a reasonable period of time as set forth in the Fund's valuation policies and procedures, the Fund uses the fair value of the investment determined in accordance with the procedures described below. There can be no assurance that the Fund could purchase or sell an investment at the price used to calculate the Fund's NAV.

Annual Shareholder Report

Fair Valuation

The Trustees have appointed a Valuation Committee comprised of officers of the Fund, Federated Investment Management Company (“Adviser”) and certain of the Adviser's affiliated companies to determine fair value of securities and in overseeing the calculation of the NAV. The Trustees have also authorized the use of pricing services recommended by the Valuation Committee to provide fair value evaluations of the current value of certain investments for purposes of calculating the NAV. The Valuation Committee employs various methods for reviewing third-party pricing-service evaluations including periodic reviews of third-party pricing services' policies, procedures and valuation methods (including key inputs and assumptions), transactional back-testing, comparisons of evaluations of different pricing services, and review of price challenges by the Adviser based on recent market activity. In the event that market quotations and price evaluations are not available for an investment, the Valuation Committee determines the fair value of the investment in accordance with procedures adopted by the Trustees. The Trustees periodically review and approve the fair valuations made by the Valuation Committee and any changes made to the procedures.

Factors considered by pricing services in evaluating an investment include the yields or prices of investments of comparable quality, coupon, maturity, call rights and other potential prepayments, terms and type, reported transactions, indications as to values from dealers and general market conditions. Some pricing services provide a single price evaluation reflecting the bid-side of the market for an investment (a “bid” evaluation). Other pricing services offer both bid evaluations and price evaluations indicative of a price between the prices bid and asked for the investment (a “mid” evaluation). The Fund normally uses bid evaluations for U.S. Treasury and Agency securities and mortgage-backed securities. The Fund normally uses mid evaluations for other types of fixed-income securities and OTC derivative contracts. In the event that market quotations and price evaluations are not available for an investment, the fair value of the investment is determined in accordance with procedures adopted by the Trustees. The Fund holds securities that are valued on the basis of prices provided by a single pricing source, including dealers from whom the securities were purchased. These securities may be less liquid and the price realized upon sale may be different than the price used to value the securities. The Fund classifies these securities as having a Level 3 valuation due to a lack of observable market transactions.

Repurchase Agreements

The Fund may invest in repurchase agreements for short-term liquidity purposes. It is the policy of the Fund to require the other party to a repurchase agreement to transfer to the Fund's custodian or sub-custodian eligible securities or cash with a market value (after transaction costs) at least equal to the repurchase price to be paid under the repurchase agreement. The eligible securities are transferred to accounts with the custodian or sub-custodian in which the Fund holds a “securities entitlement” and exercises “control” as those terms are defined in the Uniform Commercial Code. The Fund has established procedures for monitoring the market value of the transferred securities and requiring the transfer of additional eligible securities if necessary to equal at least the repurchase price. These procedures also allow the other party to require securities to be transferred from the account to the extent that their market value exceeds the repurchase price or in exchange for other eligible securities of equivalent market value.

Annual Shareholder Report

The insolvency of the other party or other failure to repurchase the securities may delay the disposition of the underlying securities or cause the Fund to receive less than the full repurchase price. Under the terms of the repurchase agreement, any amounts received by the Fund in excess of the repurchase price and related transaction costs must be remitted to the other party.

The Fund may enter into repurchase agreements in which eligible securities are transferred into joint trading accounts maintained by the custodian or sub-custodian for investment companies and other clients advised by the Fund's Adviser and its affiliates. The Fund will participate on a pro rata basis with the other investment companies and clients in its share of the securities transferred under such repurchase agreements and in its share of proceeds from any repurchase or other disposition of such securities.

Repurchase agreements are subject to Master Netting Agreements which are agreements between the Fund and its counterparties that provides for the net settlement of all transactions and collateral with the Fund, through a single payment, in the event of default or termination. Amounts presented on the Portfolio of Investments and Statement of Assets and Liabilities are not net settlement amounts but gross. As indicated above, the cash or securities to be repurchased, as shown on the Portfolio of Investments, exceeds the repurchase price to be paid under the agreement reducing the net settlement amount to zero.

Investment Income, Gains and Losses, Expenses and Distributions

Investment transactions are accounted for on a trade-date basis. Realized gains and losses from investment transactions are recorded on an identified-cost basis. Interest income and expenses are accrued daily. Dividend income and distributions to shareholders are recorded on the ex-dividend date. Distributions of net investment income are declared daily and paid monthly. Investment income, realized and unrealized gains and losses, and certain fund-level expenses are allocated to each class based on relative average daily net assets, except that Institutional Shares and Service Shares may bear distribution services fees, shareholder services fees and account administration fees unique to those classes. For the year ended August 31, 2013, account administration fees for the Fund were as follows:

	Account Administration Fees Incurred	Account Administration Fees Reimbursed
Institutional Shares	$995	$(995)
Service Shares	247	—
TOTAL	$1,242	$(995)

Dividends are declared separately for each class. No class has preferential dividend rights; differences in per share dividend rates are generally due to differences in separate class expenses.

Premium and Discount Amortization/Paydown Gains and Losses

All premiums and discounts on fixed-income securities, other than mortgage-backed securities, are amortized/accreted using the effective-interest-rate method. Gains and losses realized on principal payment of mortgage-backed securities (paydown gains and losses) are classified as part of investment income.

Annual Shareholder Report

Federal Taxes

It is the Fund's policy to comply with the Subchapter M provision of the Internal Revenue Code (the “Code”) and to distribute to shareholders each year substantially all of its income. Accordingly, no provision for federal income tax is necessary. As of and during the year ended August 31, 2013, the Fund did not have a liability for any uncertain tax positions. The Fund recognizes interest and penalties, if any, related to tax liabilities as income tax expense in the Statement of Operations. As of August 31, 2013, tax years 2010 through 2013 remain subject to examination by the Fund's major tax jurisdictions, which include the United States of America and the Commonwealth of Massachusetts.

When-Issued and Delayed-Delivery Transactions

The Fund may engage in when-issued or delayed-delivery transactions. The Fund records when-issued securities on the trade date and maintains security positions such that sufficient liquid assets will be available to make payment for the securities purchased. Securities purchased on a when-issued or delayed-delivery basis are marked to market daily and begin earning interest on the settlement date. Losses may occur on these transactions due to changes in market conditions or the failure of counterparties to perform under the contract.

Dollar-Roll Transactions

The Fund engages in dollar-roll transactions in which the Fund sells mortgage-backed securities with a commitment to buy similar (same type, coupon and maturity), but not identical mortgage-backed securities on a future date. Both securities involved are TBA mortgage-backed securities. The Fund treats dollar-roll transactions as purchases and sales. Dollar-rolls are subject to interest rate risks and credit risks.

Restricted Securities

The Fund may purchase securities which are considered restricted. Restricted securities are securities that either: (a) cannot be offered for public sale without first being registered, or being able to take advantage of an exemption from registration, under the Securities Act of 1933; or (b) are subject to contractual restrictions on public sales. In some cases, when a security cannot be offered for public sale without first being registered, the issuer of the restricted security has agreed to register such securities for resale, at the issuer's expense, either upon demand by the Fund or in connection with another registered offering of the securities. Many such restricted securities may be resold in the secondary market in transactions exempt from registration. Restricted securities may be determined to be liquid under criteria established by the Trustees. The Fund will not incur any registration costs upon such resales. The Fund's restricted securities, like other securities, are priced in accordance with procedures established by and under the general supervision of the Trustees.

Other

The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts of assets, liabilities, expenses and revenues reported in the financial statements. Actual results could differ from those estimated.

Annual Shareholder Report

3. SHARES OF BENEFICIAL INTEREST

The following tables summarize share activity:

Year Ended August 31	2013		2012
Institutional Shares:	Shares	Amount	Shares	Amount
Shares sold	55,585,515	$547,416,069	55,797,076	$549,016,979
Shares issued to shareholders in payment of distributions declared	362,579	3,570,891	474,113	4,668,486
Shares redeemed	(61,274,963)	(603,348,060)	(53,360,574)	(525,081,650)
NET CHANGE RESULTING FROM INSTITUTIONAL SHARE TRANSACTIONS	(5,326,869)	$(52,361,100)	2,910,615	$28,603,815

Year Ended August 31	2013		2012
Service Shares:	Shares	Amount	Shares	Amount
Shares sold	4,849,768	$47,791,675	6,193,885	$61,009,490
Shares issued to shareholders in payment of distributions declared	37,459	369,105	51,855	510,716
Shares redeemed	(7,566,605)	(74,472,601)	(4,415,587)	(43,474,235)
NET CHANGE RESULTING FROM SERVICE SHARE TRANSACTIONS	(2,679,378)	$(26,311,821)	1,830,153	$18,045,971
NET CHANGE RESULTING FROM TOTAL FUND SHARE TRANSACTIONS	(8,006,247)	$(78,672,921)	4,740,768	$46,649,786

4. FEDERAL TAX INFORMATION

The timing and character of income and capital gain distributions are determined in accordance with income tax regulations, which may differ from GAAP. These differences are due to differing treatments for dollar-roll transactions and capital gain distributions made for excise tax purposes.

For the year ended August 31, 2013, permanent differences identified and reclassified among the components of net assets were as follows:

Increase (Decrease)
Paid-In Capital	Undistributed Net Investment Income (Loss)	Accumulated Net Realized Gain (Loss)
$(353,554)	$25,124	$328,430

Net investment income (loss), net realized gains (losses) and net assets were not affected by this reclassification.

The tax character of distributions as reported on the Statement of Changes in Net Assets for the years ended August 31, 2013 and 2012, was as follows:

	2013	2012
Ordinary income	$5,576,991	$8,397,305
Long-term capital gains	$353,554	$—

Annual Shareholder Report

As of August 31, 2013, the components of distributable earnings on a tax basis were as follows:

Undistributed ordinary income	$38,297
Net unrealized appreciation	$5,660,177
Capital loss carryforwards	$(1,016,734)

The difference between book-basis and tax-basis net unrealized appreciation/depreciation is attributable to differing treatments for dollar-roll transactions.

At August 31, 2013, the cost of investments for federal tax purposes was $870,304,096. The net unrealized appreciation of investments for federal tax purposes was $5,660,177. This consists of net unrealized appreciation from investments for those securities having an excess of value over cost of $8,441,501 and net unrealized depreciation from investments for those securities having an excess of cost over value of $2,781,324.

At August 31, 2013, the Fund had a capital loss carryforward of $178,456 which will reduce the Fund's taxable income arising from future net realized gains on investments, if any, to the extent permitted by the Code, thereby reducing the amount of distributions to shareholders which would otherwise be necessary to relieve the Fund of any liability for federal income tax. Pursuant to the Code, a net capital loss incurred in taxable years beginning on or before December 22, 2010, is characterized as short-term and may be carried forward for a maximum of eight tax years (“Carryforward Limit”), whereas a net capital loss incurred in taxable years beginning after December 22, 2010, retains its character as either short-term or long-term, does not expire and is required to be utilized prior to the losses which have a Carryforward Limit.

The following schedule summarizes the Fund's capital loss carryforwards and expiration years:

Expiration Year	Short-Term	Long-Term	Total
2016	$175,890	NA	$175,890
2019	$2,566	NA	$2,566

The Fund used capital loss carryforwards of $1,137,907 to offset capital gains realized during the year ended August 31, 2013.

Under current tax rules, capital losses on securities transactions realized after October 31 may be deferred, in whole or in part, and treated as occurring on the first day of the following fiscal year. As of August 31, 2013, for federal income tax purposes, post-October losses of $838,278 were deferred to September 1, 2013.

5. INVESTMENT ADVISER FEE AND OTHER TRANSACTIONS WITH AFFILIATES

Investment Adviser Fee

The advisory agreement between the Fund and the Adviser provides for an annual fee equal to 0.60% of the Fund's average daily net assets. Subject to the terms described in the Expense Limitation note, the Adviser may voluntarily choose to waive any portion of its fee. For the year ended August 31, 2013, the Adviser voluntarily waived $1,010,688 of its fee.

Annual Shareholder Report

Administrative Fee

Federated Administrative Services (FAS), under the Administrative Services Agreement, provides the Fund with administrative personnel and services. For purposes of determining the appropriate rate breakpoint, “Investment Complex” is defined as all of the Federated Funds subject to a fee under the Administrative Services Agreement. The fee paid to FAS is based on the average daily net assets of the Investment Complex as specified below, plus certain out-of-pocket expenses:

Administrative Fee	Average Daily Net Assets of the Investment Complex
0.150%	on the first $5 billion
0.125%	on the next $5 billion
0.100%	on the next $10 billion
0.075%	on assets in excess of $20 billion

Subject to the terms described in the Expense Limitation note, FAS may voluntarily choose to waive any portion of its fee. For the year ended August 31, 2013, the fee paid to FAS was 0.078% of average daily net assets of the Fund.

Distribution Services Fee

The Fund has adopted a Distribution Plan (the “Plan”) pursuant to Rule 12b-1 under the Act. Under the terms of the Plan, the Fund will compensate Federated Securities Corp. (FSC), the principal distributor, from the daily net assets of the Fund's Service Shares to finance activities intended to result in the sale of these shares. The Plan provides that the Fund may incur distribution expenses at 0.05% of average daily net assets, annually, to compensate FSC. Subject to the terms described in the Expense Limitation note, FSC may voluntarily choose to waive any portion of its fee. When FSC receives fees, it may pay some or all of them to financial intermediaries whose customers purchase shares. For the year ended August 31, 2013, the Fund's Service Shares did not incur a distribution services fee; however, it may begin to incur this fee upon approval of the Trustees.

Shareholder Services Fee

The Fund may pay fees (“Service Fees”) up to 0.25% of the average daily net assets of the Fund's Institutional Shares and Service Shares to financial intermediaries or to Federated Shareholder Services Company (FSSC) for providing services to shareholders and maintaining shareholder accounts. Subject to the terms described in the Expense Limitation note, FSSC may voluntarily reimburse the Fund for Service Fees. For the year ended August 31, 2013, Service Fees for the Fund were as follows:

	Service Fees Incurred	Service Fees Reimbursed
Institutional Shares	$967,406	$(967,406)
Service Shares	219,316	—
TOTAL	$1,186,722	$(967,406)

For the year ended August 31, 2013, FSSC received $1,343 of fees paid by the fund.

Annual Shareholder Report

Expense Limitation

The Adviser and certain of its affiliates (which may include FSC, FAS and FSSC) have voluntarily agreed to waive their respective fees and/or reimburse expenses so that the total annual fund operating expenses (as shown in the financial highlights, excluding extraordinary expenses and proxy-related expenses paid by the Fund, if any) paid by the Fund's Institutional Shares and Service Shares (after the voluntary waivers and/or reimbursements) will not exceed 0.64% and 0.89% (the “Fee Limit”), respectively, up to but not including the later of (the “Termination Date”): (a) November 1, 2014; or (b) the date of the Fund's next effective Prospectus. While the Adviser and its applicable affiliates currently do not anticipate terminating or increasing these arrangements prior to the Termination Date, these arrangements may only be terminated or the Fee Limit increased prior to the Termination Date with the agreement of the Trustees.

General

Certain Officers and Trustees of the Fund are Officers and Directors or Trustees of certain of the above companies. To efficiently facilitate payment, Directors'/Trustees' fees and certain expenses related to conducting meetings of the Directors/Trustees and other miscellaneous expenses are paid by an affiliate of the Adviser which in due course are reimbursed by the Fund.

6. Investment TRANSACTIONS

Purchases and sales of investments, excluding long-term U.S. government securities and short-term obligations, for the year ended August 31, 2013, were as follows:

Purchases	$189,792,754
Sales	$16,697,626

7. LINE OF CREDIT

The Fund participates in a $100,000,000 unsecured, uncommitted revolving line of credit (LOC) agreement with PNC Bank. The LOC was made available for extraordinary or emergency purposes, primarily for financing redemption payments. Borrowings are charged interest at a rate offered to the Fund by PNC Bank at the time of the borrowing. During the year ended August 31, 2013, the Fund did not utilize the LOC.

8. INTERFUND LENDING

Pursuant to an Exemptive Order issued by the Securities and Exchange Commission, the Fund, along with other funds advised by subsidiaries of Federated Investors, Inc., may participate in an interfund lending program. This program provides an alternative credit facility allowing the Fund to borrow from other participating affiliated funds. As of August 31, 2013, there were no outstanding loans. During the year ended August 31, 2013, the program was not utilized.

9. FEDERAL TAX INFORMATION (UNAUDITED)

For the year ended August 31, 2013, the amount of long-term capital gains designated by the Fund was $353,554.

Annual Shareholder Report

Report of Independent Registered Public Accounting Firm

TO THE BOARD OF TRUSTEES OF federated Adjustable Rate Securities FUND:

We have audited the accompanying statement of assets and liabilities, including the portfolio of investments, of Federated Adjustable Rate Securities Fund (the “Fund”), as of August 31, 2013, and the related statement of operations for the year then ended, the statements of changes in net assets for each of the years in the two-year period then ended and the financial highlights for each of the years in the four-year period then ended. These financial statements and financial highlights are the responsibility of the Fund's management. Our responsibility is to express an opinion on these financial statements and financial highlights based on our audits. The financial highlights for the period presented prior to September 1, 2009, were audited by other independent registered public accountants whose report thereon dated October 20, 2009, expressed an unqualified opinion on those statements.

We conducted our audits in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements and financial highlights are free of material misstatement. An audit includes examining, on a test basis, evidence supporting the amounts and disclosures in the financial statements. Our procedures included confirmation of securities owned as of August 31, 2013, by correspondence with the custodian and brokers or by other appropriate auditing procedures. An audit also includes assessing the accounting principles used and significant estimates made by management, as well as evaluating the overall financial statement presentation. We believe that our audits provide a reasonable basis for our opinion.

In our opinion, the financial statements and financial highlights referred to above present fairly, in all material respects, the financial position of Federated Adjustable Rate Securities Fund as of August 31, 2013, and the results of its operations for the year then ended, the changes in its net assets for each of the years in the two-year period then ended and the financial highlights for each of the years in the four-year period then ended, in conformity with U.S. generally accepted accounting principles.

Boston, Massachusetts
October 24, 2013

Annual Shareholder Report

Shareholder Expense Example (unaudited)

As a shareholder of the Fund, you incur ongoing costs, including management fees and to the extent applicable, distribution (12b-1) fees and/or shareholder services fees and other Fund expenses. This Example is intended to help you to understand your ongoing costs (in dollars) of investing in the Fund and to compare these costs with the ongoing costs of investing in other mutual funds. It is based on an investment of $1,000 invested at the beginning of the period and held for the entire period from March 1, 2013 to August 31, 2013.

ACTUAL EXPENSES

The first section of the table below provides information about actual account values and actual expenses. You may use the information in this section, together with the amount you invested, to estimate the expenses that you incurred over the period. Simply divide your account value by $1,000 (for example, an $8,600 account value divided by $1,000 = 8.6), then multiply the result by the number in the first section under the heading entitled “Expenses Paid During Period” to estimate the expenses attributable to your investment during this period.

HYPOTHETICAL EXAMPLE FOR COMPARISON PURPOSES

The second section of the table below provides information about hypothetical account values and hypothetical expenses based on the Fund's actual expense ratio and an assumed rate of return of 5% per year before expenses, which is not the Fund's actual return. Thus, you should not use the hypothetical account values and expenses to estimate the actual ending account balance or your expenses for the period. Rather, these figures are required to be provided to enable you to compare the ongoing costs of investing in the Fund with other funds. To do so, compare this 5% hypothetical example with the 5% hypothetical examples that appear in the shareholder reports of the other funds.

Annual Shareholder Report

Please note that the expenses shown in the table are meant to highlight your ongoing costs only. Therefore, the second section of the table is useful in comparing ongoing costs only, and will not help you determine the relative total costs of owning different funds.

	Beginning Account Value 3/1/2013	Ending Account Value 8/31/2013	Expenses Paid During Period¹
Actual:
Institutional Shares	$1,000	$995.50	$3.22
Service Shares	$1,000	$994.30	$4.42
Hypothetical (assuming a 5% return before expenses):
Institutional Shares	$1,000	$1,021.98	$3.26
Service Shares	$1,000	$1,020.77	$4.48

1	Expenses are equal to the Fund's annualized net expense ratios, multiplied by the average account value over the period, multiplied by 184/365 (to reflect the one-half-year period). The annualized net expense ratios are as follows:

Institutional Shares	0.64%
Service Shares	0.88%

Annual Shareholder Report

Board of Trustees and Fund Officers

The Board of Trustees is responsible for managing the Fund's business affairs and for exercising all the Fund's powers except those reserved for the shareholders. The following tables give information about each Trustee and the senior officers of the Fund. Where required, the tables separately list Trustees who are “interested persons” of the Fund (i.e., “Interested” Trustees) and those who are not (i.e., “Independent” Trustees). Unless otherwise noted, the address of each person listed is Federated Investors Tower, 1001 Liberty Avenue, Pittsburgh, PA 15222. The address of all Independent Trustees listed is 4000 Ericsson Drive, Warrendale, PA 15086-7561; Attention: Mutual Fund Board. As of December 31, 2012, the Fund comprised one portfolio(s), and the Federated Fund Family consisted of 42 investment companies (comprising 137 portfolios). Unless otherwise noted, each Officer is elected annually. Unless otherwise noted, each Trustee oversees all portfolios in the Federated Fund Family and serves for an indefinite term. The Fund's Statement of Additional Information includes additional information about Fund Trustees and is available, without charge and upon request, by calling 1-800-341-7400.

In Memoriam - John F. Cunningham, Independent Trustee

With deep sadness, Federated announces the passing of John F. Cunningham, who served as an independent member of the Board of the Federated Fund Family since 1999. Mr. Cunningham's savvy business acumen and incisive intellect made him a powerful force on the Federated Fund Board. He was an advocate for shareholders and a respected colleague within the Federated family. Mr. Cunningham enjoyed an outstanding career in technology, having served as President and in other Senior Executive positions with leading companies in the industry. Federated expresses gratitude to Mr. Cunningham for his fine contributions as a Board member, colleague and friend. He will be greatly missed.

Interested TRUSTEES Background

Name Birth Date Positions Held with Fund Date Service Began	Principal Occupation(s) for Past Five Years, Other Directorships Held and Previous Position(s)
John F. Donahue* Birth Date: July 28, 1924 Trustee Began serving: May 1985	Principal Occupations: Director or Trustee of the Federated Fund Family; Chairman and Director, Federated Investors, Inc.; Chairman of the Federated Fund Family's Executive Committee. Previous Positions: Chairman of the Federated Fund Family; Trustee, Federated Investment Management Company; Chairman and Director, Federated Investment Counseling.

Annual Shareholder Report

Name
Birth Date
Positions Held with Fund
Date Service Began

Principal Occupation(s) for Past Five Years,
Other Directorships Held and Previous Position(s)

J. Christopher Donahue*
Birth Date: April 11, 1949
President and Trustee
Began serving: July 1999

Principal Occupations: Principal Executive Officer and President of certain of the Funds in the Federated Fund Family; Director or Trustee of certain of the Funds in the Federated Fund Family; President, Chief Executive Officer and Director, Federated Investors, Inc.; Chairman and Trustee, Federated Investment Management Company; Trustee, Federated Investment Counseling; Chairman and Director, Federated Global Investment Management Corp.; Chairman, Federated Equity Management Company of Pennsylvania and Passport Research, Ltd. (investment advisory subsidiary of Federated); Trustee, Federated Shareholder Services Company; Director, Federated Services Company.
Previous Positions: President, Federated Investment Counseling; President and Chief Executive Officer, Federated Investment Management Company, Federated Global Investment Management Corp. and Passport Research, Ltd.

*	Family relationships and reasons for “interested” status: John F. Donahue is the father of J. Christopher Donahue; both are “interested” due to their beneficial ownership of shares of Federated Investors, Inc. and the positions they hold with Federated and its subsidiaries.

INDEPENDENT TRUSTEES Background

Name
Birth Date
Positions Held with Fund
Date Service Began

Principal Occupation(s) for Past Five Years,
Other Directorships Held, Previous Position(s) and Qualifications

Maureen Lally-Green
Birth Date: July 5, 1949
Trustee
Began serving: August 2009

Principal Occupations: Director or Trustee of the Federated Fund Family; Director, Office of Church Relations, and Associate General Secretary, Diocese of Pittsburgh; Adjunct Professor of Law, Duquesne University School of Law.
Other Directorships Held: Director, Auberle; Member, Pennsylvania State Board of Education; Director, Saint Vincent College; Director, Ireland Institute of Pittsburgh; Chair and Director, UPMC Mercy Hospital; Regent, St. Vincent Seminary; Director, Epilepsy Foundation of Western and Central Pennsylvania; Director, Saint Thomas More Society, Allegheny County; Director, Our Campaign for the Church Alive, Inc.
Previous Position: Pennsylvania Superior Court Judge.
Qualifications: Legal and director experience.

Annual Shareholder Report

Name Birth Date Positions Held with Fund Date Service Began	Principal Occupation(s) for Past Five Years, Other Directorships Held, Previous Position(s) and Qualifications
Peter E. Madden Birth Date: March 16, 1942 Trustee Began serving: August 1991	Principal Occupation: Director or Trustee, and Chairman of the Board of Directors or Trustees, of the Federated Fund Family. Previous Positions: Representative, Commonwealth of Massachusetts General Court; President, Chief Operating Officer and Director, State Street Bank and Trust Company and State Street Corporation (retired); Director, VISA USA and VISA International; Chairman and Director, Massachusetts Bankers Association; Director, Depository Trust Corporation; Director, The Boston Stock Exchange. Qualifications: Business management, mutual fund services and director experience.
Charles F. Mansfield, Jr. Birth Date: April 10, 1945 Trustee Began serving: July 1999	Principal Occupations: Director or Trustee of the Federated Fund Family; Management Consultant. Previous Positions: Chief Executive Officer, PBTC International Bank; Partner, Arthur Young & Company (now Ernst & Young LLP); Chief Financial Officer of Retail Banking Sector, Chase Manhattan Bank; Senior Vice President, HSBC Bank USA (formerly Marine Midland Bank); Vice President, Citibank; Assistant Professor of Banking and Finance, Frank G. Zarb School of Business, Hofstra University; Executive Vice President, DVC Group, Inc. (marketing, communications and technology). Qualifications: Banking, business management, education and director experience.
Thomas M. O'Neill Birth Date: June 14, 1951 Trustee Began serving: October 2006	Principal Occupations: Director or Trustee, Vice Chairman of the Audit Committee of the Federated Fund Family; Sole Proprietor, Navigator Management Company (investment and strategic consulting). Other Directorships Held: Board of Overseers, Children's Hospital of Boston; Visiting Committee on Athletics, Harvard College; Board of Directors, Medicines for Humanity; Board of Directors, The Golisano Children's Museum of Naples, Florida. Previous Positions: Chief Executive Officer and President, Managing Director and Chief Investment Officer, Fleet Investment Advisors; President and Chief Executive Officer, Aeltus Investment Management, Inc.; General Partner, Hellman, Jordan Management Co., Boston, MA; Chief Investment Officer, The Putnam Companies, Boston, MA; Credit Analyst and Lending Officer, Fleet Bank; Director and Consultant, EZE Castle Software (investment order management software); Director, Midway Pacific (lumber). Qualifications: Business management, mutual fund, director and investment experience.

Annual Shareholder Report

Name
Birth Date
Positions Held with Fund
Date Service Began

Principal Occupation(s) for Past Five Years,
Other Directorships Held, Previous Position(s) and Qualifications

John S. Walsh
Birth Date: November 28, 1957
Trustee
Began serving: July 1999

Principal Occupations: Director or Trustee, Chairman of the Audit Committee of the Federated Fund Family; President and Director, Heat Wagon, Inc. (manufacturer of construction temporary heaters); President and Director, Manufacturers Products, Inc. (distributor of portable construction heaters); President, Portable Heater Parts, a division of Manufacturers Products, Inc.
Previous Position: Vice President, Walsh & Kelly, Inc.
Qualifications: Business management and director experience.

OFFICERS

Name Birth Date Positions Held with Fund Date Service Began	Principal Occupation(s) for Past Five Years and Previous Position(s)
John W. McGonigle Birth Date: October 26, 1938 EXECUTIVE VICE PRESIDENT AND SECRETARY Officer since: May 1985	Principal Occupations: Executive Vice President and Secretary of the Federated Fund Family; Vice Chairman, Executive Vice President, Secretary and Director, Federated Investors, Inc. Previous Positions: Trustee, Federated Investment Management Company and Federated Investment Counseling; Director, Federated Global Investment Management Corp., Federated Services Company and Federated Securities Corp.
Lori A. Hensler, CPA Birth Date: January 6, 1967 TREASURER Officer since: April 2013	Principal Occupations: Principal Financial Officer and Treasurer of the Federated Fund Family; Senior Vice President, Federated Administrative Services; Financial and Operations Principal for Federated Securities Corp. and Edgewood Services, Inc.; and Assistant Treasurer, Federated Investors Trust Company. Previous Positions: Controller of Federated Investors, Inc.; Senior Vice President and Assistant Treasurer, Federated Investors Management Company; Treasurer, Federated Investors Trust Company; Assistant Treasurer, Federated Administrative Services, Federated Administrative Services, Inc., Federated Securities Corp., Edgewood Services, Inc., Federated Advisory Services Company, Federated Equity Management Company of Pennsylvania, Federated Global Investment Management Corp., Federated Investment Counseling, Federated Investment Management Company, Passport Research, Ltd., and Federated MDTA, LLC; Financial and Operations Principal for Federated Securities Corp., Edgewood Services, Inc. and Southpointe Distribution Services, Inc.
Richard B. Fisher Birth Date: May 17, 1923 VICE PRESIDENT Officer since: May 1985	Principal Occupations: Vice Chairman or Vice President of some of the Funds in the Federated Fund Family; Vice Chairman, Federated Investors, Inc.; Chairman, Federated Securities Corp. Previous Positions: President and Director or Trustee of some of the Funds in the Federated Fund Family; Executive Vice President, Federated Investors, Inc.; Director and Chief Executive Officer, Federated Securities Corp.

Annual Shareholder Report

Name Birth Date Positions Held with Fund Date Service Began	Principal Occupation(s) for Past Five Years and Previous Position(s)
Peter J. Germain Birth Date: September 3, 1959 CHIEF LEGAL OFFICER Officer since: January 2005	Principal Occupations: Mr. Germain is Chief Legal Officer of the Federated Fund Family. He is General Counsel and Vice President, Federated Investors, Inc.; President, Federated Administrative Services and Federated Administrative Services, Inc.; Vice President, Federated Securities Corp.; Secretary, Federated Private Asset Management, Inc.; and Secretary, Retirement Plan Service Company of America. Mr. Germain joined Federated in 1984 and is a member of the Pennsylvania Bar Association. Previous Positions: Deputy General Counsel, Special Counsel, Managing Director of Mutual Fund Services, Federated Investors, Inc.; Senior Vice President, Federated Services Company; and Senior Corporate Counsel, Federated Investors, Inc.
Brian P. Bouda Birth Date: February 28, 1947 CHIEF COMPLIANCE OFFICER AND SENIOR VICE PRESIDENT Officer since: August 2004	Principal Occupations: Senior Vice President and Chief Compliance Officer of the Federated Fund Family; Vice President and Chief Compliance Officer of Federated Investors, Inc. and Chief Compliance Officer of certain of its subsidiaries. Mr. Bouda joined Federated in 1999 and is a member of the American Bar Association and the State Bar Association of Wisconsin. Previous Positions: Served in Senior Management positions with a large regional banking organization.
Robert J. Ostrowski Birth Date: April 26, 1963 Chief Investment Officer Officer since: May 2004	Principal Occupations: Robert J. Ostrowski joined Federated in 1987 as an Investment Analyst and became a Portfolio Manager in 1990. He was named Chief Investment Officer of Federated's taxable fixed-income products in 2004 and also serves as a Senior Portfolio Manager. Mr. Ostrowski became an Executive Vice President of the Fund's Adviser in 2009 and served as a Senior Vice President of the Fund's Adviser from 1997 to 2009. Mr. Ostrowski has received the Chartered Financial Analyst designation. He received his M.S. in Industrial Administration from Carnegie Mellon University.
Todd A. Abraham Birth Date: February 10, 1966 VICE PRESIDENT Officer since: November 1998 Portfolio Manager since: August 1995	Principal Occupations: Todd A. Abraham has been the Fund's Portfolio Manager since August 1995. He is Vice President of the Trust. Mr. Abraham has been a Portfolio Manager since 1995, a Vice President of the Fund's Adviser since 1997 and a Senior Vice President of the Fund's Adviser beginning 2007. Mr. Abraham joined Federated in 1993 as an Investment Analyst and served as Assistant Vice President of the Fund's Adviser from 1995 to 1997. Mr. Abraham served as a Portfolio Analyst at Ryland Mortgage Co. from 1992-1993. Mr. Abraham has received the Chartered Financial Analyst designation and holds an M.B.A. in Finance from Loyola College.

Annual Shareholder Report

Evaluation and Approval of Advisory Contract–May 2013

Federated Adjustable Rate Securities Fund (the “Fund”)

Following a review and recommendation of approval by the Fund's independent trustees, the Fund's Board reviewed and approved at its May 2013 meetings the Fund's investment advisory contract for an additional one-year term. The Board's decision regarding the contract reflects the exercise of its business judgment on whether to continue the existing arrangements.

In this connection, the Federated Funds' Board had previously appointed a Senior Officer, whose duties include specified responsibilities relating to the process by which advisory fees are to be charged to a Federated fund. The Senior Officer has the authority to retain consultants, experts, or staff as may be reasonably necessary to assist in the performance of his duties, reports directly to the Board, and may be terminated only with the approval of a majority of the independent members of the Board. The Senior Officer prepared and furnished to the Board an independent, written evaluation that covered topics discussed below (the “Evaluation”). The Board considered that Evaluation, along with other information, in deciding to approve the advisory contract.

The Board is also familiar with and considered judicial decisions concerning allegedly excessive investment advisory fees, which have indicated that the following factors may be relevant to an Adviser's fiduciary duty with respect to its receipt of compensation from a fund: the nature and quality of the services provided by the Adviser to a fund and its shareholders, including the performance and expenses of the fund and of comparable funds; the Adviser's cost of providing the services, including the profitability to the Adviser of providing advisory services to a fund; the extent to which the Adviser may realize “economies of scale” as a fund grows larger and, if such economies exist, whether they have been shared with a fund and its shareholders or the family of funds; any “fall-out financial benefits” that accrue to the Adviser because of its relationship with a fund (including research services received from brokers that execute fund trades and any fees paid to affiliates of the Adviser for services rendered to a fund); comparative fee structures, including a comparison of fees paid to the Adviser with those paid by similar funds; and the extent to which the Board members are fully informed about all facts the Board deems relevant to its consideration of the Adviser's services and fees. Consistent with these judicial decisions, the Board also considered management fees charged to institutional and other clients of the Adviser for what might be viewed as like services. The Board was aware of these factors and was guided by them in its review of the Fund's advisory contract to the extent it considered them to be appropriate and relevant, as discussed further below.

Annual Shareholder Report

The Board considered and weighed these circumstances in light of its substantial accumulated experience in governing the Fund and working with Federated on matters relating to the Federated funds, and was assisted in its deliberations by independent legal counsel. Throughout the year, and in connection with its May meetings, the Board requested and received substantial and detailed information about the Fund and the Federated organization that was in addition to the extensive materials that comprise and accompany the Senior Officer's Evaluation. Federated provided much of this information at each regular meeting of the Board, and furnished additional substantial information in connection with the May meeting at which the Board's formal review of the advisory contract occurred. At this May meeting, senior management of the Adviser also met with the independent trustees and their counsel to discuss the materials presented and any other matters thought relevant by the Adviser or the trustees. Between regularly scheduled meetings, the Board also received information on particular matters as the need arose. Thus, the Board's consideration of the advisory contract included review of the Senior Officer's Evaluation, accompanying data and additional information covering such matters as: the Adviser's investment philosophy, revenue, profitability, personnel and processes; investment and operating strategies; the Fund's short- and long-term performance (in absolute terms, both on a gross basis and net of expenses, as well as in relationship to its particular investment program and certain competitor or “peer group” funds and/or other benchmarks, as appropriate), and comments on the reasons for performance; the Fund's investment objectives; the Fund's expenses (including the advisory fee itself and the overall expense structure of the Fund, both in absolute terms and relative to similar and/or competing funds, with due regard for contractual or voluntary expense limitations); the use and allocation of brokerage commissions derived from trading the Fund's portfolio securities (if any); and the nature, quality and extent of the advisory and other services provided to the Fund by the Adviser and its affiliates. The Board also considered the preferences and expectations of Fund shareholders; the entrepreneurial risk assumed by the Adviser in sponsoring the funds; the continuing state of competition in the mutual fund industry and market practices; the range of comparable fees for similar funds in the mutual fund industry; the Fund's relationship to the Federated family of funds which include a comprehensive array of funds with different investment objectives, policies and strategies which are available for exchange without the incurrence of additional sales charges; compliance and audit reports concerning the Federated funds and the Federated companies that service them (including communications from regulatory agencies), as well as Federated's responses to any issues raised therein; and relevant developments in the mutual fund industry and how the Federated funds and/or Federated are responding to them. The Board's evaluation process is evolutionary. The criteria considered and the emphasis placed on relevant criteria change in recognition of changing circumstances in the mutual fund marketplace.

Annual Shareholder Report

While mindful that courts have cautioned against giving such comparisons too much weight, the Board has found the use of comparisons of the Fund's fees and expenses to other mutual funds with comparable investment programs to be relevant. The Board focused on comparisons with other similar mutual funds more heavily than non-mutual fund products or services because it is believed that they are more relevant. For example, other mutual funds are the products most like the Fund, they are readily available to Fund shareholders as alternative investment vehicles, and they are the type of investment vehicle in fact chosen and maintained by the Fund's investors. The range of their fees and expenses therefore appears to be a relevant indicator of what consumers have found to be reasonable in the precise marketplace in which the Fund competes.

It was noted in the materials for the Board meeting that for the period covered by the Evaluation, the Fund's investment advisory fee, after waivers and expense reimbursements, if any, was above the median of the relevant peer group. The Board reviewed the fees and other expenses of the Fund with the Adviser, noting that the overall expense structure of the Fund, after waivers and expense reimbursements, was above the median of the relevant peer group, but the Board still was satisfied that the overall expense structure of the Fund remained competitive. The Board will continue to monitor advisory fees and other expenses borne by the Fund.

By contrast, the Senior Officer has reviewed Federated's fees for providing advisory services to products outside the Federated family of funds (e.g., institutional and separate accounts). He concluded that mutual funds and institutional accounts are inherently different products. Those differences include, but are not limited to, different types of targeted investors; being subject to different laws and regulations; different legal structures; different average account sizes; different associated costs; different portfolio management techniques made necessary by different cash flows; and the time spent by portfolio managers and their teams, funds financial services, legal, compliance and risk management in reviewing securities pricing, addressing different administrative responsibilities, addressing different degrees of risk associated with management and a variety of different costs. The Senior Officer did not consider these fee schedules to be determinative in judging the appropriateness of mutual fund advisory fees.

The Fund's ability to deliver competitive performance when compared to its peer group was also deemed to be relevant by the Board as a useful indicator of how the Adviser is executing the Fund's investment program, which in turn assisted the Board in reaching a conclusion that the nature, extent, and quality of the Adviser's investment management services were such as to warrant continuation of the advisory contract.

Annual Shareholder Report

The Senior Officer reviewed information compiled by Federated, using data supplied by independent fund ranking organizations, regarding the performance of, and fees charged by, other mutual funds, noting his view that comparisons to fund peer groups are relevant, though not conclusive in judging the reasonableness of proposed fees.

The Fund's performance fell below the median of the relevant peer group for the one-year, three-year and five-year periods covered by the Evaluation. The Board discussed the Fund's performance with the Adviser and recognized the efforts being undertaken by the Adviser. The Board will continue to monitor these efforts and the performance of the Fund.

The Board also received financial information about Federated, including information regarding the compensation and benefits Federated derived from its relationships with the Federated funds. This information covered not only the fees under the advisory contracts, but also fees received by Federated's subsidiaries for providing other services to the Federated funds under separate contracts (e.g., for serving as the Federated funds' administrator). The information also detailed any indirect benefit Federated may derive from its receipt of research services from brokers who execute Federated fund trades. In addition, the Board considered the fact that, in order for a fund to be competitive in the marketplace, Federated and its affiliates frequently waived fees and/or reimbursed expenses and have disclosed to fund investors and/or indicated to the Board their intention to do so in the future, where appropriate. Moreover, the Board receives regular reporting as to the institution, adjustment or elimination of these voluntary waivers.

Federated furnished information, requested by the Senior Officer, that reported revenues on a fund-by-fund basis and made estimates of the allocation of expenses on a fund-by-fund basis, using allocation methodologies specified by the Senior Officer. The Senior Officer noted that, while these cost allocation reports apply consistent allocation processes, the inherent difficulties in arbitrarily allocating costs continues to cause the Senior Officer to question the precision of the process and to conclude that such reports may be unreliable, since a single change in an allocation estimate can dramatically alter the resulting estimate of cost and/or profitability of a fund. The allocation information was considered in the analysis by the Board but was determined to be of limited use.

The Board and the Senior Officer also reviewed information compiled by Federated comparing profitability information for Federated to other publicly held fund management companies. In this regard, the Senior Officer noted the limited availability of such information, but nonetheless concluded that Federated's profit margins did not appear to be excessive. The Board agreed with this assessment.

The Senior Officer's Evaluation also discussed the notion of possible realization of “economies of scale” as a fund grows larger. The Board considered in this regard that the Adviser has made significant and long-term investments in areas that support all of the Federated family of funds, such as personnel and

Annual Shareholder Report

processes for the portfolio management, shareholder services, compliance, internal audit, and risk management functions; and systems technology; and that the benefits of these efforts (as well as any economies, should they exist) were likely to be enjoyed by the fund family as a whole. Finally, the Board also noted the absence of any applicable regulatory or industry guidelines on this subject, which (as discussed in the Senior Officer's Evaluation) is compounded by the lack of any common industry practice or general pattern with respect to structuring fund advisory fees with “breakpoints” that serve to reduce the fee as the fund attains a certain size.

The Senior Officer noted that, subject to the comments and recommendations made within his Evaluation, his observations and the information accompanying the Evaluation supported a finding by the Board that the management fees for each of the funds were reasonable. Under these circumstances, no changes were recommended to, and no objection was raised to, the continuation of the Fund's advisory contract.

In its decision to continue an existing investment advisory contract, the Board was mindful of the potential disruptions of the Fund's operations and various risks, uncertainties and other effects that could occur as a result of a decision to terminate or not renew an advisory contract. In particular, the Board recognized that many shareholders have invested in the Fund on the strength of the Adviser's industry standing and reputation and with the expectation that the Adviser will have a continuing role in providing advisory services to the Fund. Thus, the Board's approval of the advisory contract reflected the fact that it is the shareholders who have effectively selected the Adviser by virtue of having invested in the Fund. The Board concluded that, in light of the factors discussed above, including the nature, quality and scope of the services provided to the Fund by the Adviser and its affiliates, continuation of the advisory contract was appropriate.

The Board based its decision to approve the advisory contract on the totality of the circumstances and relevant factors and with a view to past and future long-term considerations. Not all of the factors and considerations identified above were necessarily relevant to the Fund, nor did the Board consider any one of them to be determinative. With respect to the factors that were relevant, the Board's decision to approve the contract reflects its determination that Federated's performance and actions provided a satisfactory basis to support the decision to continue the existing arrangements.

Annual Shareholder Report

Voting Proxies on Fund Portfolio Securities

A description of the policies and procedures that the Fund uses to determine how to vote proxies, if any, relating to securities held in the Fund's portfolio is available, without charge and upon request, by calling 1-800-341-7400. A report on “Form N-PX” of how the Fund voted any such proxies during the most recent 12-month period ended June 30 is available from Federated's website at FederatedInvestors.com. To access this information from the home page, select “All” under “Asset Class.” Select a fund name to go to the Fund Overview page, then select a share class, if applicable. On the Fund Overview page, select the “Literature and Prospectuses” tab. At the bottom of that page, select “Proxy Voting Record Report (Form N-PX).” Form N-PX filings are also available at the SEC's website at www.sec.gov.

Quarterly Portfolio Schedule

The Fund files with the SEC a complete schedule of its portfolio holdings, as of the close of the first and third quarters of its fiscal year, on “Form N-Q.” These filings are available on the SEC's website at www.sec.gov and may be reviewed and copied at the SEC's Public Reference Room in Washington, DC. (Call 1-800-SEC-0330 for information on the operation of the Public Reference Room.) You may also access this information from the “Products” section of Federated's website at FederatedInvestors.com. From the home page, select “All” under “Asset Class.” Select a fund name to go to the Fund Overview page, then select a share class, if applicable. On the Fund Overview page, select the “Literature and Prospectuses” tab. At the bottom of that page, select “Form N-Q.”

Annual Shareholder Report

Mutual funds are not bank deposits or obligations, are not guaranteed by any bank and are not insured or guaranteed by the U.S. government, the Federal Deposit Insurance Corporation, the Federal Reserve Board or any other government agency. Investment in mutual funds involves investment risk, including the possible loss of principal.

This Report is authorized for distribution to prospective investors only when preceded or accompanied by the Fund's Prospectus, which contains facts concerning its objective and policies, management fees, expenses and other information.

Federated Adjustable Rate Securities Fund
Federated Investors Funds
4000 Ericsson Drive
Warrendale, PA 15086-7561

Federated Securities Corp., Distributor

CUSIP 314082108
CUSIP 314082207

28996 (10/13)

(a) As of the end of the period covered by this report, the registrant has adopted a code of ethics (the "Section 406 Standards for Investment Companies - Ethical Standards for Principal Executive and Financial Officers") that applies to the registrant's Principal Executive Officer and Principal Financial Officer; the registrant's Principal Financial Officer also serves as the Principal Accounting Officer.

(f)(3) The registrant hereby undertakes to provide any person, without charge, upon request, a copy of the code of ethics. To request a copy of the code of ethics, contact the registrant at 1-800-341-7400, and ask for a copy of the Section 406 Standards for Investment Companies - Ethical Standards for Principal Executive and Financial Officers.

The registrant's Board has determined that each of the following members of the Board's Audit Committee is an “audit committee financial expert,” and is "independent," for purposes of this Item: Charles F. Mansfield, Jr., Thomas M. O'Neill and John S. Walsh.

(b) Audit-Related Fees billed to the registrant for the two most recent fiscal years:

Amount requiring approval of the registrant’s audit committee pursuant to paragraph (c)(7)(ii) of Rule 2-01 of Regulation S-X, $0 and $0 respectively.

(d) All Other Fees billed to the registrant for the two most recent fiscal years:

Amount requiring approval of the registrant’s audit committee pursuant to paragraph (c)(7)(ii) of Rule 2-01 of Regulation S-X, $0 and $0 respectively.

The Audit Committee is required to pre-approve audit and non-audit services performed by the independent auditor in order to assure that the provision of such services do not impair the auditor’s independence. Unless a type of service to be provided by the independent auditor has received general pre-approval, it will require specific pre-approval by the Audit Committee. Any proposed services exceeding pre-approved cost levels will require specific pre-approval by the Audit Committee.

Certain services have the general pre-approval of the Audit Committee. The term of the general pre-approval is 12 months from the date of pre-approval, unless the Audit Committee specifically provides for a different period. The Audit Committee will annually review the services that may be provided by the independent auditor without obtaining specific pre-approval from the Audit Committee and may grant general pre-approval for such services. The Audit Committee will revise the list of general pre-approved services from time to time, based on subsequent determinations. The Audit Committee will not delegate its responsibilities to pre-approve services performed by the independent auditor to management.

The Audit Committee has delegated pre-approval authority to its Chairman. The Chairman will report any pre-approval decisions to the Audit Committee at its next scheduled meeting. The Committee will designate another member with such pre-approval authority when the Chairman is unavailable.

The annual Audit services engagement terms and fees will be subject to the specific pre-approval of the Audit Committee. The Audit Committee must approve any changes in terms, conditions and fees resulting from changes in audit scope, registered investment company (RIC) structure or other matters.

In addition to the annual Audit services engagement specifically approved by the Audit Committee, the Audit Committee may grant general pre-approval for other Audit Services, which are those services that only the independent auditor reasonably can provide. The Audit Committee has pre-approved certain Audit services, all other Audit services must be specifically pre-approved by the Audit Committee.

Audit-related services are assurance and related services that are reasonably related to the performance of the audit or review of the Company’s financial statements or that are traditionally performed by the independent auditor. The Audit Committee believes that the provision of Audit-related services does not impair the independence of the auditor, and has pre-approved certain Audit-related services, all other Audit-related services must be specifically pre-approved by the Audit Committee.

The Audit Committee believes that the independent auditor can provide Tax services to the Company such as tax compliance, tax planning and tax advice without impairing the auditor’s independence. However, the Audit Committee will not permit the retention of the independent auditor in connection with a transaction initially recommended by the independent auditor, the purpose of which may be tax avoidance and the tax treatment of which may not be supported in the Internal Revenue Code and related regulations. The Audit Committee has pre-approved certain Tax services, all Tax services involving large and complex transactions must be specifically pre-approved by the Audit Committee.

With respect to the provision of services other than audit, review or attest services the pre-approval requirement is waived if:

The Audit Committee may grant general pre-approval to those permissible non-audit services classified as All Other services that it believes are routine and recurring services, and would not impair the independence of the auditor.

The SEC’s rules and relevant guidance should be consulted to determine the precise definitions of prohibited non-audit services and the applicability of exceptions to certain of the prohibitions.

Pre-approval fee levels for all services to be provided by the independent auditor will be established annually by the Audit Committee. Any proposed services exceeding these levels will require specific pre-approval by the Audit Committee.

Requests or applications to provide services that require specific approval by the Audit Committee will be submitted to the Audit Committee by both the independent auditor and the Principal Accounting Officer and/or Internal Auditor, and must include a joint statement as to whether, in their view, the request or application is consistent with the SEC’s rules on auditor independence.

(e)(2) Percentage of services identified in items 4(b) through 4(d) that were approved by the registrants audit committee pursuant to paragraph (c)(7)(i)(C) of Rule 2-01 of Regulation S-X:

Percentage of services provided to the registrants investment adviser and any entity controlling, controlled by, or under common control with the investment adviser that provides ongoing services to the registrant that were approved by the registrants audit committee pursuant to paragraph (c)(7)(i)(C) of Rule 2-01 of Regulation S-X, 0% and 0% respectively.

(h) The registrant’s Audit Committee has considered that the provision of non-audit services that were rendered to the registrant’s adviser (not including any sub-adviser whose role is primarily portfolio management and is subcontracted with or overseen by another investment adviser), and any entity controlling, controlled by, or under common control with the investment adviser that provides ongoing services to the registrant that were not pre-approved pursuant to paragraph (c)(7)(ii) of Rule 2-01 of Regulation S-X is compatible with maintaining the principal accountant’s independence.

(a) The registrant’s Schedule of Investments is included as part of the Report to Stockholders filed under Item 1 of this form.

(b) Not Applicable; Fund had no divestments during the reporting period covered since the previous Form N-CSR filing.

Item 7. Disclosure of Proxy Voting Policies and Procedures for Closed-End Management Investment Companies

Item 9. Purchases of Equity Securities by Closed-End Management Investment Company and Affiliated Purchasers

registrant’s disclosure controls and procedures (as defined in rule 30a-3(c) under the Act) are effective in design and operation and are sufficient to form the basis of the certifications required by Rule 30a-(2) under the Act, based on their evaluation of these disclosure controls and procedures within 90 days of the filing date of this report on Form N-CSR.

(b) There were no changes in the registrant’s internal control over financial reporting (as defined in rule 30a-3(d) under the Act) during the second fiscal quarter of the period covered by this report that have materially affected, or are reasonably likely to materially affect, the registrant’s internal control over financial reporting.

(a)(2) Certifications of Principal Executive Officer and Principal Financial Officer.

Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated.

Management's Discussion of Fund Performance	1
Portfolio of Investments Summary Table	5
Portfolio of Investments	6
Financial Highlights	13
Statement of Assets and Liabilities	15
Statement of Operations	16
Statement of Changes in Net Assets	17
Notes to Financial Statements	18
Report of Independent Registered Public Accounting Firm	26
Shareholder Expense Example	27
Board of Trustees and Fund Officers	29
Evaluation and Approval of Advisory Contract	34
Voting Proxies on Fund Portfolio Securities	39
Quarterly Portfolio Schedule	39

1	The Fund's performance assumes the reinvestment of all dividends and distributions. The BAML1T has been adjusted to reflect reinvestment of dividends on securities in the index.
2	The BAML1T is an index tracking U.S. government securities and is not adjusted to reflect expenses or other fees that the Securities and Exchange Commission requires to be reflected in the Fund's performance. The index is unmanaged and, unlike the Fund, is not affected by cash flows. It is not possible to invest directly in an index.