PAGE 1 000 A000000 05/31/2013 000 C000000 0001406591 000 D000000 N 000 E000000 NF 000 F000000 Y 000 G000000 N 000 H000000 N 000 I000000 6.1 000 J000000 A 001 A000000 Federated Enhanced Treasury Income Fund 001 B000000 811-22098 001 C000000 8003417400 002 A000000 4000 ERICSON DRIVE 002 B000000 WARRENDALE 002 C000000 PA 002 D010000 15086 002 D020000 7561 003 000000 N 004 000000 N 005 000000 N 006 000000 N 007 A000000 N 007 B000000 0 008 A000001 FEDERATED INVESTMENT MANAGEMENT COMPANY 008 B000001 A 008 C000001 801-34612 008 D010001 PITTSBURGH 008 D020001 PA 008 D030001 15222 008 D040001 3779 008 A000002 DIX HILLS PARTNERS, LLC 008 B000002 S 008 C000002 801-62551 008 D010002 WESTBURY 008 D020002 NY 008 D030002 11590 010 A000001 FEDERATED SERVICES COMPANY 010 C010001 PITTSBURGH 010 C020001 PA 010 C030001 15222 010 C040001 3779 012 A000001 COMPUTERSHARE 012 B000001 84-05925 012 C010001 PROVIDENCE 012 C020001 RI 012 C030001 02940 013 A000001 ERNST & YOUNG LLP 013 B010001 BOSTON 013 B020001 MA 013 B030001 02116 013 B040001 5072 PAGE 2 014 A000001 FEDERATED SECURITIES CORP. 014 B000001 8-15561 014 A000002 EDGEWOOD SERVICES, INC. 014 B000002 8-46985 015 A000001 THE BANK OF NEW YORK 015 B000001 C 015 C010001 NEW YORK 015 C020001 NY 015 C030001 10286 015 E010001 X 018 000000 Y 019 A000000 Y 019 B000000 131 019 C000000 FEDERATEDX 020 A000001 MORGAN STANLEY CO. INC 020 B000001 36-3145972 020 C000001 25 020 A000002 Citigroup 020 B000002 13-1912900 020 C000002 12 021 000000 37 022 A000001 Citigroup 022 B000001 13-1912900 022 C000001 143342 022 D000001 1035 022 A000002 BNP Paribas 022 C000002 11433 022 D000002 0 022 A000003 Deutsche Bank 022 B000003 13-2730828 022 C000003 3322 022 D000003 0 022 A000004 Credit Suisse 022 B000004 13-1898818 022 C000004 2072 022 D000004 0 022 A000005 Nomura Securities 022 C000005 0 022 D000005 2031 022 A000006 RBC Capital Markets 022 C000006 0 022 D000006 1520 022 A000007 Jefferies Company 022 C000007 0 022 D000007 1115 022 A000008 Greenwich Capital Markets 022 C000008 0 022 D000008 589 023 C000000 160169 023 D000000 6289 024 000000 Y PAGE 3 025 A000001 CITIGROUP 025 B000001 99CBF2906 025 C000001 D 025 D000001 2761 026 A000000 N 026 B000000 N 026 C000000 N 026 D000000 Y 026 E000000 N 026 F000000 N 026 G010000 N 026 G020000 N 026 H000000 N 027 000000 N 045 000000 Y 046 000000 N 047 000000 Y 048 000000 0.850 048 A010000 0 048 A020000 0.000 048 B010000 0 048 B020000 0.000 048 C010000 0 048 C020000 0.000 048 D010000 0 048 D020000 0.000 048 E010000 0 048 E020000 0.000 048 F010000 0 048 F020000 0.000 048 G010000 0 048 G020000 0.000 048 H010000 0 048 H020000 0.000 048 I010000 0 048 I020000 0.000 048 J010000 0 048 J020000 0.000 048 K010000 0 048 K020000 0.000 049 000000 N 050 000000 N 051 000000 N 052 000000 N 053 A000000 N 054 A000000 N 054 B000000 N 054 C000000 N 054 D000000 N 054 E000000 N 054 F000000 N PAGE 4 054 G000000 N 054 H000000 N 054 I000000 N 054 J000000 N 054 K000000 N 054 L000000 N 054 M000000 N 054 N000000 N 054 O000000 N 055 A000000 N 055 B000000 N 056 000000 N 057 000000 N 058 A000000 N 059 000000 Y 060 A000000 Y 060 B000000 Y 061 000000 0 062 A000000 Y 062 B000000 0.0 062 C000000 0.0 062 D000000 2.0 062 E000000 0.0 062 F000000 0.0 062 G000000 0.0 062 H000000 0.0 062 I000000 0.0 062 J000000 0.0 062 K000000 0.0 062 L000000 0.5 062 M000000 97.6 062 N000000 0.0 062 O000000 0.0 062 P000000 0.0 062 Q000000 0.2 062 R000000 0.0 063 A000000 0 063 B000000 7.3 064 A000000 N 064 B000000 N 066 A000000 N 067 000000 N 068 A000000 N 068 B000000 N 069 000000 N 070 A010000 Y 070 A020000 Y 070 B010000 Y 070 B020000 N 070 C010000 Y 070 C020000 N PAGE 5 070 D010000 Y 070 D020000 N 070 E010000 Y 070 E020000 Y 070 F010000 Y 070 F020000 N 070 G010000 Y 070 G020000 Y 070 H010000 Y 070 H020000 N 070 I010000 N 070 I020000 N 070 J010000 Y 070 J020000 N 070 K010000 Y 070 K020000 N 070 L010000 Y 070 L020000 N 070 M010000 Y 070 M020000 N 070 N010000 Y 070 N020000 N 070 O010000 Y 070 O020000 N 070 P010000 Y 070 P020000 N 070 Q010000 N 070 Q020000 N 070 R010000 Y 070 R020000 N 071 A000000 0 071 B000000 6289 071 C000000 142665 071 D000000 0 072 A000000 6 072 B000000 1234 072 C000000 0 072 D000000 0 072 E000000 0 072 F000000 603 072 G000000 23 072 H000000 0 072 I000000 14 072 J000000 6 072 K000000 0 072 L000000 25 072 M000000 3 072 N000000 0 072 O000000 0 072 P000000 0 072 Q000000 55 PAGE 6 072 R000000 17 072 S000000 4 072 T000000 0 072 U000000 0 072 V000000 0 072 W000000 21 072 X000000 771 072 Y000000 27 072 Z000000 490 072AA000000 0 072BB000000 69 072CC010000 0 072CC020000 3380 072DD010000 3375 072DD020000 0 072EE000000 0 073 A010000 0.0500 073 A020000 0.0000 073 B000000 0.0000 073 C000000 0.3200 074 A000000 1 074 B000000 2761 074 C000000 0 074 D000000 134142 074 E000000 0 074 F000000 0 074 G000000 0 074 H000000 0 074 I000000 0 074 J000000 0 074 K000000 0 074 L000000 857 074 M000000 0 074 N000000 137761 074 O000000 0 074 P000000 2 074 Q000000 0 074 R010000 0 074 R020000 0 074 R030000 274 074 R040000 50 074 S000000 0 074 T000000 137435 074 U010000 8977 074 U020000 0 074 V010000 15.31 074 V020000 0.00 074 W000000 0.0000 074 X000000 5 074 Y000000 0 075 A000000 0 PAGE 7 075 B000000 142289 076 000000 13.33 077 A000000 Y 077 B000000 N 077 C000000 N 077 D000000 N 077 E000000 N 077 F000000 N 077 G000000 N 077 H000000 N 077 I000000 N 077 J000000 N 077 K000000 N 077 L000000 N 077 M000000 N 077 N000000 N 077 O000000 N 077 P000000 N 077 Q010000 Y 077 Q020000 N 077 Q030000 N 078 000000 N 080 A000000 Great American Insurance Company 080 B000000 National Union Fire Insurance Company of Pitt 080 C000000 50000 081 A000000 Y 081 B000000 125 082 A000000 N 082 B000000 0 083 A000000 N 083 B000000 0 084 A000000 N 084 B000000 0 085 A000000 Y 085 B000000 N 086 A010000 0 086 A020000 0 086 B010000 276 086 B020000 3906 086 C010000 0 086 C020000 0 086 D010000 0 086 D020000 0 086 E010000 0 086 E020000 0 086 F010000 0 086 F020000 0 087 A010000 FEDERATED ENHANCED TREASURY INCOME FUND 088 A000000 N 088 B000000 N 088 C000000 N PAGE 8 088 D000000 N SIGNATURE Lori A. Hensler TITLE Treasurer