Guggenheim Funds

CLOSED-END CORPORATE HIGH YIELD & INCOME PORTFOLIO Series 15

PRICE HISTORY

DATE OFFER PRICE BID PRICE LIQUIDATION PRICE
5/23/12 $0.00000 $9.45480 $9.45480
5/22/12 $0.00000 $9.39690 $9.39690
5/21/12 $0.00000 $9.34620 $9.34620
5/18/12 $0.00000 $9.23170 $9.23170
5/17/12 $0.00000 $9.26780 $9.26780
5/16/12 $0.00000 $9.52900 $9.52900
5/15/12 $0.00000 $9.53980 $9.53980
5/14/12 $0.00000 $9.57200 $9.57200
5/11/12 $0.00000 $9.63900 $9.63900
5/10/12 $0.00000 $9.69600 $9.69600
5/9/12 $0.00000 $9.67900 $9.67900
5/8/12 $0.00000 $9.69840 $9.69840
5/7/12 $0.00000 $9.71170 $9.71170
5/4/12 $0.00000 $9.69480 $9.69480
5/3/12 $0.00000 $9.73220 $9.73220
5/2/12 $0.00000 $9.76590 $9.76590
5/1/12 $0.00000 $9.76410 $9.76410
4/30/12 $0.00000 $9.71820 $9.71820
4/27/12 $0.00000 $9.68840 $9.68840
4/26/12 $0.00000 $9.69710 $9.69710
4/25/12 $0.00000 $9.66530 $9.66530
Past performance does not guarantee future results.

DISTRIBUTION HISTORY

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EX-DIVIDEND DATE RECORD DATE PAYABLE DATE PRINCIPAL DISTRIBUTION INCOME/INTEREST DISTRIBUTION TOTAL DISTRIBUTION
5/11/12 5/15/12 5/25/12 $0.00000 $0.06580 $0.06580
4/11/12 4/13/12 4/25/12 $0.00000 $0.06590 $0.06590
3/13/12 3/15/12 3/26/12 $0.00000 $0.06780 $0.06780
2/13/12 2/15/12 2/27/12 $0.00000 $0.05620 $0.05620
1/11/12 1/13/12 1/25/12 $0.00000 $0.10300 $0.10300
12/13/11 12/15/11 12/27/11 $0.00000 $0.08080 $0.08080
11/11/11 11/15/11 11/25/11 $0.00000 $0.06710 $0.06710
10/12/11 10/14/11 10/25/11 $0.00000 $0.06710 $0.06710
9/13/11 9/15/11 9/26/11 $0.00000 $0.06700 $0.06700
8/11/11 8/15/11 8/25/11 $0.00000 $0.06700 $0.06700
7/13/11 7/15/11 7/25/11 $0.00000 $0.06710 $0.06710
6/13/11 6/15/11 6/27/11 $0.00000 $0.06850 $0.06850
5/11/11 5/13/11 5/25/11 $0.00000 $0.06910 $0.06910
4/13/11 4/15/11 4/25/11 $0.00000 $0.06870 $0.06870
3/11/11 3/15/11 3/25/11 $0.00000 $0.06920 $0.06920
2/11/11 2/15/11 2/25/11 $0.00000 $0.05880 $0.05880
1/12/11 1/14/11 1/25/11 $0.00000 $0.11650 $0.11650
12/13/10 12/15/10 12/27/10 $0.00000 $0.08200 $0.08200
11/11/10 11/15/10 11/26/10 $0.00000 $0.06930 $0.06930
10/13/10 10/15/10 10/25/10 $0.00000 $0.06870 $0.06870
9/13/10 9/15/10 9/27/10 $0.00000 $0.05640 $0.05640

ANNUAL TOTAL DISTRIBUTION*

2012 YTD $0.35870
2011 $0.86690
2010 $0.27640
Total $1.50200

*Can be comprised of both principal and income/interest distributions.

Investors should carefully consider the investment objectives and policies, risk considerations, charges and ongoing expenses of any investment product before investing. The prospectus contains this and other relevant information. Please read the prospectus carefully before you invest. To obtain a prospectus, please contact a securities representative or Guggenheim Funds Distributors, LLC, 2455 Corporate West Drive, Lisle, Illinois 60532, 800-345-7999, or download one by accessing the Literature section of this website.

NOT FDIC INSURED | NOT BANK GUARANTEED | MAY LOSE VALUE