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UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM N-CSR

CERTIFIED SHAREHOLDER REPORT OF
REGISTERED MANAGEMENT INVESTMENT COMPANIES

Investment Company Act file number:  811-10223

ING Senior Income Fund

(Exact name of registrant as specified in charter)

7337 E. Doubletree Ranch Rd., Scottsdale, AZ	85258
(Address of principal executive offices)	(Zip code)

The Corporation Trust Company, 1209 Orange
Street, Wilmington, DE 19801

(Name and address of agent for service)

Registrant’s telephone number, including area code: 1-800-992-0180

Date of fiscal year end:	February 28
Date of reporting period:	August 31, 2007

Item 1. Reports to Stockholders.

The following is a copy of the report transmitted to stockholders pursuant to Rule 30e-1 under the Act (17 CFR 270.30e-1):

Funds

Semi-Annual Report

August 31, 2007

ING Senior Income Fund

E-Delivery Sign-up – details inside

This report is submitted for general information to shareholders of the ING Funds. It is not authorized for distribution to prospective shareholders unless accompanied or preceded by a prospectus which includes details regarding the funds' investment objectives, risks, charges, expenses and other information. This information should be read carefully.

ING Senior Income Fund

SEMI-ANNUAL REPORT

August 31, 2007

Table of Contents

Portfolio Managers' Report	3
Statement of Assets and Liabilities	8
Statement of Operations	10
Statements of Changes in Net Assets	11
Statement of Cash Flows	12
Financial Highlights	13
Notes to Financial Statements	15
Additional Information	24
Portfolio of Investments	25

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ING Senior Income Fund

PORTFOLIO MANAGERS' REPORT

Dear Shareholders:

ING Senior Income Fund (the "Fund") is a continuously offered, diversified, closed-end management investment company that seeks to provide investors with a high level of monthly income. The Fund seeks to achieve this objective by investing in a professionally managed portfolio comprised primarily of senior loans.

PORTFOLIO CHARACTERISTICS AS OF AUGUST 31, 2007
Net Assets	$	1,998,773,510
Total Assets	$	2,489,989,304
Assets Invested in Senior Loans	$	2,415,645,072
Senior Loans Represented		675
Average Amount Outstanding per Loan	$	3,578,733
Industries Represented		38
Average Loan Amount per Industry	$	63,569,607
Portfolio Turnover Rate		41	%
Weighted Average Days to Interest Rate Reset		42
Average Loan Final Maturity		66 months
Total Leverage as a Percentage of Total Assets		16.9	%

PERFORMANCE SUMMARY

During the six months ended August 31, 2007, the Fund's Class A and Q shares each distributed total dividends from income of $0.52, resulting in an average annualized distribution rate of 6.82%⁽¹⁾ and 6.85%⁽¹⁾, respectively. During the same period, the Fund's Class B and Class C shares each distributed total dividends from income of $0.49, resulting in an average annualized distribution rate of 6.33%⁽¹⁾ and 6.32%⁽¹⁾, respectively.

The Fund's total return for the six months ended August 31, 2007, for each of the share classes, excluding sales charges, was (1.71)% on Class A, (1.96)% on Class B, (1.96)% on Class C and (1.71)% on Class Q. The Fund's net returns were slightly less than the returns of the S&P/LSTA Leveraged Loan Index ("LLI"), which had a gross return of (1.35)%.

MARKET REVIEW

The global senior loan market experienced its most severe technical correction on record during the Fund's fiscal half-year, driven by a rapid drop in liquidity as credit market investors grappled with uncertainty created by the sub-prime mortgage implosion. We should emphasize that the Fund does not own, nor has it ever invested significantly in, residential or commercial mortgage-backed or asset-backed securities. The Fund's investment strategy continues to concentrate on traditional, secured floating rate senior loans to corporate issuers.

The overall tone and performance of the senior loan market has improved since the liquidity squeeze, enough to push the year-to-date total return of the S&P/LSTA Leveraged Loan index into positive territory. There were many factors at play in the improved sentiment, including a sense that the overhang of underwritten and unsold loans ultimately will be absorbed by the market,

(1)  The distribution rate is calculated by annualizing dividends declared during the period and dividing the resulting annualized dividend by the Fund's average month-end net asset value (in the case of net asset value) or the average month-end New York Stock Exchange Composite closing price (in the case of Market). The distribution rate is based solely on the actual dividends and distributions, which are made at the discretion of management. The distribution rate may or may not include all investment income and ordinarily will not include capital gains or losses, if any.

3

ING Senior Income Fund

PORTFOLIO MANAGERS' REPORT (continued)

and a better tone in the high yield bond and equity markets due in part to the widely held assumption that the Federal Reserve Board ("Fed") would stand by to ensure the liquidity of U.S. capital markets.

Although loan prices were highly volatile due to these unprecedented technical developments, the fundamental credit condition of the loan market (as measured by trailing default rates) remained solid. While up fractionally as compared to the previous quarter, the S&P trailing 12-month default rate (by issuer) closed August at 0.42%, well below the historical average.

USE OF LEVERAGE

The Fund seeks to prudently utilize financial leverage in order to increase the yield to shareholders. As of August 31, 2007, the Fund had $420 million outstanding under a $750 million revolving credit facility. The use of leverage for investment purposes increases both investment opportunity and investment risk.

OUTLOOK

While uncertainty still looms over the capital markets, the Fed's resolve and less-frequent bad news have bolstered confidence. We believe the near-term direction of the loan market will be dictated by a few key developments: the direction of the credit markets overall (certainly, to be influenced by Fed decisions) and, within the senior loan market, the continued ability of banks to manage the supply of new loans coming to market. The latter is critical to maintaining a healthy supply/demand balance; so far, the supply has been amazingly well controlled. Longer term, the general health of the major global economies, and its effects on non-investment grade issuers, will play a central role in loan market performance.

TOP TEN SENIOR LOAN ISSUERS AS OF AUGUST 31, 2007 AS A PERCENTAGE OF:
	TOTAL ASSETS			NET ASSETS
Charter Communications Operating, LLC		2.6	%		3.3	%
Metro-Goldwyn-Mayer, Inc.		1.9	%		2.4	%
Georgia Pacific Corporation		1.8	%		2.3	%
Cequel Communications, LLC		1.8	%		2.2	%
CHS/Community Health Systems, Inc.		1.8	%		2.2	%
CSC Holdings, Inc.		1.5	%		1.8	%
Idearc, Inc.		1.4	%		1.7	%
HCA, Inc.		1.3	%		1.6	%
ARAMARK Corporation		1.2	%		1.5	%
Univision Communications, Inc.		1.2	%		1.5	%

TOP TEN INDUSTRY SECTORS AS OF AUGUST 31, 2007 AS A PERCENTAGE OF:
	TOTAL ASSETS			NET ASSETS
North American Cable		10.8	%		13.4	%
Healthcare, Education and Childcare		10.1	%		12.6	%
Printing & Publishing		6.5	%		8.1	%
Chemicals, Plastics & Rubber		5.9	%		7.4	%
Oil & Gas		4.9	%		6.1	%
Utilities		4.7	%		5.9	%
Retail Stores		4.7	%		5.9	%
Leisure, Amusement, Entertainment		4.0	%		5.0	%
Data and Internet Services		4.0	%		4.9	%
Containers, Packaging & Glass		3.0	%		3.7	%

4

ING Senior Income Fund

PORTFOLIO MANAGERS' REPORT (continued)

Our investment process remains squarely focused on seeking to provide attractive risk-adjusted returns over a full credit cycle through systematic, thorough credit underwriting, a high level of issuer and industry diversification and rigorous, ongoing monitoring. We continue to closely scrutinize both the underlying performance of our portfolio companies and the relevant economic data for signs of any meaningful shift in the strength of the global economy. Although headwinds are present, we are confident that growth will be strong enough to allow leveraged issuers to remain fundamentally sound from a credit perspective. Should that happen, we believe demand will remain strong as investors recognize the value proposition of loans trading at current levels.

Jeffrey A. Bakalar Senior Vice President Senior Portfolio Manager ING Investment Management Co.	Daniel A. Norman Senior Vice President Senior Portfolio Manager ING Investment Management Co.

ING Senior Income Fund
October 12, 2007

5

ING Senior Income Fund

PORTFOLIO MANAGERS' REPORT (continued)

	Average Annual Total Net Returns for the Periods Ended August 31, 2007
	1 Year			3 Years			5 Years			April 2, 2001
Including Sales Charge:
Class A(1)		(0.06	)%		2.55	%		4.42	%		5.10	%
Class B(2)		(0.85	)%		3.07	%		4.70	%		4.53	%
Class C(3)		1.07	%		3.68	%		4.89	%		4.55	%
Class Q		2.55	%		4.19	%		5.39	%		5.03	%
Excluding Sales Charge:
Class A		2.53	%		4.22	%		5.44	%		5.10	%
Class B		2.03	%		3.66	%		4.87	%		4.53	%
Class C		2.03	%		3.68	%		4.89	%		4.55	%
Class Q		2.55	%		4.19	%		5.39	%		5.03	%
S&P/LSTA Leveraged Loan Index(4)		2.66	%		4.60	%		5.70	%		4.83	%

Total net returns reflect that ING Investments, LLC (the Fund's Investment Adviser) may have waived, reimbursed or recouped fees and expenses otherwise payable by the Fund.

Performance data represents past performance and is no assurance of future results. Investment return and principal value of an investment in the Fund will fluctuate. Shares, when sold, may be worth more or less than their original cost. The Fund's future performance may be lower or higher than the performance data shown. Please log on to www.ingfunds.com or call (800) 992-0180 to get performance through the most recent month-end.

This report contains statements that may be "forward-looking" statements. Actual results may differ materially from those projected in the "forward-looking" statements.

The views expressed in this report reflect those of the portfolio managers, only through the end of the period as stated on the cover. The portfolio managers' views are subject to change at any time based on market and other conditions.

Fund holdings are subject to change daily.

(1)  Return calculations for the period beginning April 2, 2001 through June 30, 2002, reflect no deduction of a front-end sales charge. Return calculations for the period beginning July 1, 2002 through October 10, 2004, reflect deduction of the maximum Class A sales charge of 4.75%. Return calculations with a starting date after October 11, 2004 are based on a 2.50% sales charge. There is no front-end sales charge if you purchase Class A common shares in an amount of $1 million or more. However, the shares will be subject to a 1.00% Early Withdrawal Charge ("EWC") if they are repurchased by the Fund within one year of purchase.

(2)  Class B maximum EWC is 3% in the first year, declining to 1% in the fifth year and eliminated thereafter.

(3)  Class C maximum EWC is 1% for the first year.

(4)  Source: S&P/Loan Syndications and Trading Association. The LLI Index ("LLI") is an unmanaged total return index that captures accrued interest, repayments, and market value changes. It represents a broad cross section of leveraged loans syndicated in the United States, including dollar-denominated loans to overseas issuers. Standard & Poor's and the Loan Syndications and Trading Association ("LSTA") conceived the LLI to establish a performance benchmark for the syndicated leveraged loan industry. An investor cannot invest directly in an index. Since inception performance for the index is shown from March 31, 2001 for Class A, B, C and ClassQ common shares.

6

ING Senior Income Fund

PORTFOLIO MANAGERS' REPORT (continued)

YIELDS AND DISTRIBUTIONS RATES

	30-Day SEC Yields(1)												Average Annualized Distribution Rates(2)
	Class A			Class B			Class C			Class Q			Class A			Class B			Class C			Class Q
August 31, 2007		6.64	%		6.31	%		6.31	%		6.78	%		6.82	%		6.33	%		6.32	%		6.85	%
February 28, 2007		6.46	%		6.08	%		6.08	%		6.59	%		6.57	%		6.09	%		6.08	%		6.60	%

(1)  Yield is calculated by dividing the Fund's net investment income per share for the most recent thirty days by the net asset value. Yield calculations do not include any commissions or sales charges, and are compounded for six months and annualized for a twelve-month period to derive the Fund's yield consistent with the Securities Exchange Commission standardized yield formula for open-end investment companies.

(2)  Distribution Rates are calculated by annualizing dividends declared during the period (i.e., by dividing the monthly dividend amount by the number of days in the month and multiplying by the number of days in the fiscal year) and then dividing the resulting annualized dividend by the month-ending NAV.

Risk is inherent in all investing. The following are the principal risks associated with investing in the Fund. This is not, and is not intended to be, a description of all risks of investing in the Fund. A more detailed description of the risks of investing in the Fund is contained in the Fund's current prospectus.

Credit Risk: The Fund invests a substantial portion of its assets in below investment grade senior loans and other below investment grade assets. Below investment grade loans involve a greater risk that borrowers may not make timely payment of the interest and principal due on their loans. They also involve a greater risk that the value of such loans could decline significantly. If borrowers do not make timely payments of the interest due on their loans, the yield on the Fund's common shares will decrease. If borrowers do not make timely payment of the principal due on their loans, or if the value of such loans decreases, the value of the Fund's NAV will decrease.

Interest Rate Risk: Changes in short-term market interest rates will directly affect the yield on the Fund's common shares. If short-term market interest rates fall, the yield on the Fund will also fall. To the extent that the interest rate spreads on loans in the Fund experience a general decline, the yield on the Fund will fall and the value of the Fund's assets may decrease, which will cause the Fund's value to decrease. Conversely, when short-term market interest rates rise, because of the lag between changes in such short-term rates and the resetting of the floating rates on assets in the Fund's portfolio, the impact of rising rates will be delayed to the extent of such lag.

Leverage Risk: The Fund's use of leverage through borrowings or the issuance of preferred shares can adversely affect the yield on the Fund's Common Shares. To the extent that the Fund is unable to invest the proceeds from the use of leverage in assets which pay interest at a rate which exceeds the rate paid on the leverage, the yield on the Fund's Common Shares will decrease. In addition, in the event of a general market decline in the value of assets such as those in which the Fund invests, the effect of that decline will be magnified in the Fund because of the additional assets purchased with the proceeds of the leverage.

No Daily Redemptions: The Fund does not redeem its shares on a daily basis and there is no market for its shares. Shareholders can only redeem their shares once a month, and if redemption requests from all shareholders exceed 5% of the Fund's total assets in a particular month, the Fund may reduce such requests pro rata and redeem only an amount equal to 5% of its total assets.

7

ING Senior Income Fund

STATEMENT OF ASSETS AND LIABILITIES as of August 31, 2007 (Unaudited)

ASSETS:
Investments in securities at value (Cost $2,502,891,063)	$	2,420,098,284
Cash		7,284,696
Foreign currencies at value (Cost $6,733,899)		6,814,391
Receivables:
Investment securities sold		25,277,433
Fund shares sold		4,098,006
Interest		25,472,072
Other		53,529
Unrealized appreciation on foreign currency contracts		836,836
Prepaid expenses		53,542
Prepaid arrangement fees on notes payable		515
Total assets		2,489,989,304
LIABILITIES:
Payable for investment securities purchased		61,550,824
Notes payable		420,000,000
Accrued interest payable		1,818,044
Deferred arrangement fees on senior loans		327,855
Payable to affilates		2,686,093
Income distribution payable		3,882,804
Unrealized depreciation on foreign currency contracts		564,707
Accrued trustees fees		65,566
Other accrued expenses and liabilities		319,901
Total liabilities		491,215,794
NET ASSETS	$	1,998,773,510
NET ASSETS CONSIST OF:
Paid-in capital	$	2,085,062,531
Distributions in excess of net investment income		(5,455,989	)
Accumulated net realized gain on investments		1,537,748
Net unrealized depreciation on investments and foreign currency related transactions		(82,370,780	)
NET ASSETS	$	1,998,773,510

See Accompanying Notes to Financial Statements
8

ING Senior Income Fund

STATEMENT OF ASSETS AND LIABILITIES as of August 31, 2007 (Unaudited) (continued)

Class A:
Net assets	$	926,909,601
Shares authorized		unlimited
Par value	$	0.01
Shares outstanding		62,672,238
Net asset value and redemption price per share	$	14.79
Maximum offering price per share (2.50%)(1)	$	15.17
Class B:
Net assets	$	99,358,827
Shares authorized		unlimited
Par value	$	0.01
Shares outstanding		6,734,446
Net asset value and redemption price per share(2)	$	14.75
Class C:
Net assets	$	866,888,011
Shares authorized		unlimited
Par value	$	0.01
Shares outstanding		58,680,853
Net asset value and redemption price per share(2)	$	14.77
Class Q:
Net assets	$	105,617,071
Shares authorized		unlimited
Par value	$	0.01
Shares outstanding		7,179,661
Net asset value and redemption price per share	$	14.71

⁽¹⁾  Maximum offering price is computed ar 100/97.50 of net asset value. On purchases of $100,000 or more, the offering price is reduced.

⁽²⁾  Redemption price per share may be reduced for any applicable contingent deferred sales charge.

See Accompanying Notes to Financial Statements
9

ING Senior Income Fund

STATEMENT OF OPERATIONS for the Six Months Ended August 31, 2007 (Unaudited)

INVESTMENT INCOME:
Interest	$	94,143,217
Arrangement fees earned		326,117
Other		1,467,076
Total investment income		95,936,410
EXPENSES:
Investment management fees		9,675,042
Administration fees		1,209,380
Distribution and service fees:
Class A		1,244,644
Class B		541,851
Class C		3,483,364
Class Q		165,911
Transfer agent fees:
Class A		156,792
Class B		17,052
Class C		146,253
Class Q		20,855
Shareholder reporting expense		147,200
Interest expense		7,791,409
Custodian fees		527,789
Credit facility fees		15,778
Professional fees		97,680
Trustees' fees		66,800
Registration fees		107,683
Postage expense		294,400
Insurance expense		14,122
Miscellaneous expense		46,717
Total expenses		25,770,722
Less:
Net waived and reimbursed fees		(135,463	)
Net expenses		25,635,259
Net investment income		70,301,151
REALIZED AND UNREALIZED GAIN (LOSS) ON INVESTMENTS AND FOREIGN CURRENCY RELATED TRANSACTIONS:
Net realized gain (loss) on:
Investments		9,437,536
Foreign currency related transactions		(3,804,479	)
Net realized gain on investments and foreign currency related transactions		5,633,057
Net change in unrealized appreciation or depreciation on:
Investments		(115,607,268	)
Foreign currency related transactions		1,002,424
Net change in unrealized appreciation or depreciation on investments and foreign currency related transactions		(114,604,844	)
Net realized and unrealized gain (loss) on investments and foreign currency related transactions		(108,971,787	)
Net decrease in net assets resulting from operations	$	(38,670,636	)

See Accompanying Notes to Financial Statements
10

ING Senior Income Fund

STATEMENTS OF CHANGES IN NET ASSETS (Unaudited)

	Six Months Ended			Year Ended
	August 31,			February 28,
	2007			2007
INCREASE IN NET ASSETS FROM OPERATIONS:
Net investment income	$	70,301,151		$	136,929,195
Net realized gain (loss) on investments and foreign currency related transactions		5,633,057			(1,310,799	)
Net change in unrealized appreciation or depreciation on investments and foreign currency  related transactions		(114,604,844	)		4,713,875
Net increase (decrease) in net assets resulting from operations		(38,670,636	)		140,332,271
DISTRIBUTIONS TO SHAREHOLDERS:
From net investment income
Class A		(33,670,227	)		(64,626,473	)
Class B		(3,407,564	)		(7,057,368	)
Class C		(29,140,780	)		(56,290,853	)
Class Q		(4,512,818	)		(10,499,863	)
Decrease in net assets from distributions to shareholders		(70,731,389	)		(138,474,557	)
CAPITAL SHARE TRANSACTIONS:
Net proceeds from sale of shares		335,308,059			915,801,787
Dividends reinvested		47,512,243			91,655,109
		382,820,302			1,007,456,896
Cost of shares repurchased		(448,158,846	)		(982,810,449	)
Net increase (decrease) in net assets resulting from capital share transactions		(65,338,544	)		24,646,447
Net increase (decrease) in net assets		(174,740,569	)		26,504,161
NET ASSETS:
Beginning of period		2,173,514,079			2,147,009,918
End of period	$	1,998,773,510		$	2,173,514,079
Distributions in excess of net investment income at end of period	$	(5,455,989	)	$	(5,025,751	)

See Accompanying Notes to Financial Statements
11

ING Senior Income Fund

STATEMENT OF CASH FLOWS for the Six Months Ended August 31, 2007 (Unaudited)

INCREASE (DECREASE) IN CASH Cash Flows From Operating Activities:
Interest received	$	87,691,703
Arrangement fee received		171,632
Other income received		1,467,076
Interest paid		(7,328,480	)
Other operating expenses paid		(17,777,625	)
Purchases of securities		(1,124,297,811	)
Proceeds from sale of securities		982,048,947
Net cash used in operating activities		(78,024,558	)
Cash Flows From Financing Activities:
Distributions paid to common shareholders		(22,731,702	)
Proceeds from capital shares sold		341,785,615
Disbursements for capital shares repurchased		(448,158,846	)
Net issuance of notes payable		183,000,000
Net cash flows provided by financing activities		53,895,067
Net decrease in cash		(24,129,491	)
Cash at beginning of period		31,414,187
Cash at end of period	$	7,284,696
Reconciliation of Net Decrease in Net Assets Resulting from Operations to Net Cash Used in Operating Activities:
Net decrease in net assets resulting from operations	$	(38,670,636	)
Adjustments to reconcile net decrease in net assets resulting from operations to net cash used in operating activities:
Change in unrealized appreciation or depreciation on investments		115,607,268
Change in unrealized appreciation on foreign currencies		(142,596	)
Change in unrealized appreciation or depreciation on forward currency contracts		(859,828	)
Net accretion/amortization of discounts on investments		(2,995,565	)
Realized gain on sale of investments and foreign currency related transactions		(5,633,057	)
Purchases of securities		(1,124,297,811	)
Proceeds from sale of securities		982,048,947
Increase in other assets		(3,026	)
Increase in interest receivable		(3,455,949	)
Decrease in prepaid arrangement fees on notes payable		15,778
Decrease in prepaid expenses		80,993
Decrease in deferred arrangement fees on senior loans		(154,485	)
Increase in accrued interest payable		462,929
Increase in payable to affiliate		177,282
Increase in accrued trustee fees		22,055
Decrease in accrued expenses		(226,857	)
Total adjustments		(39,353,922	)
Net cash used in operating activities	$	(78,024,558	)
Non Cash Financing Activities
Receivable for shares sold	$	4,098,006
Reinvestment of dividends	$	47,512,243

See Accompanying Notes to Financial Statements
12

ING SENIOR INCOME FUND(UNAUDITED)  FINANCIAL HIGHLIGHTS

Selected data for a share of beneficial interest outstanding for each period.

	Class A
	Six Months Ended August 31,			Year Ended February 28 or 29,
	2007			2007		2006			2005			2004			2003
Per Share Operating Performance:
Net asset value, beginning of period	$	15.57			15.56		15.59			15.47			14.83			14.92
Income (loss) from investment operations:
Net investment income	$	0.52			1.01		0.78			0.55			0.61			0.69
Net realized and unrealized gain (loss) on investments	$	(0.78	)		0.02		(0.03	)		0.18			0.69			(0.09	)
Total income (loss) from investment operations	$	(0.26	)		1.03		0.75			0.73			1.30			0.60
Less distributions from:
Net investment income	$	0.52			1.02		0.78			0.56			0.64			0.69
Net realized gain on investments	$	—			—		—			0.05			0.02			—
Total distributions	$	0.52			1.02		0.78			0.61			0.66			0.69
Net asset value, end of period	$	14.79			15.57		15.56			15.59			15.47			14.83
Total Investment Return(1)	%	(1.71	)		6.84		4.96			4.80			8.93			4.15
Ratios/Supplemental Data:
Net assets, end of period (000's)	$	926,910			998,140		918,621			736,740			172,975			11,106
Average borrowings (000's)(2)	$	251,674			404,137		325,044			34,767			20,771			17,655
Asset coverage per $1,000 of debt	$	5,759			10,171		6,519			1,251			—	*		689
Ratios to average net assets after reimbursement/recoupment:
Expenses (before interest and other fees related to revolving credit facility)(3)(4)	%	1.41			1.50		1.50			1.34			1.36			1.42
Expenses (with interest and other fees related to revolving credit facility)(3)(4)	%	2.13			2.56		2.20			1.45			1.43			1.63
Net investment income(3)(4)	%	6.74			6.42		4.98			3.49			3.84			4.88
Ratios to average net assets before reimbursement/recoupment:
Expenses (before interest and other fees related to revolving credit facility)(3)(4)	%	1.41			1.48		1.48			1.35			1.46			1.57
Expenses (with interest and other fees related to revolving credit facility)(3)(4)	%	2.13			2.54		2.18			1.46			1.53			1.78
Net investment income(3)(4)	%	6.74			6.44		5.00			3.48			3.74			4.73
Portfolio turnover rate	%	41			57		82			82			72			60
Shares outstanding at end of period (000's)		62,672			64,122		59,029			47,252			11,180			749
	Class B
	Six Months Ended August 31,			Year Ended February 28 or 29,
	2007			2007		2006			2005			2004			2003
Per Share Operating Performance:
Net asset value, beginning of period	$	15.53			15.53		15.57			15.45			14.82			14.92
Income (loss) from investment operations:
Net investment income	$	0.48			0.92		0.70			0.47	**		0.53			0.62
Net realized and unrealized gain (loss) on investments	$	(0.77	)		0.02		(0.04	)		0.18	**		0.69			(0.10	)
Total income (loss) from investment operations	$	(0.29	)		0.94		0.66			0.65			1.22			0.52
Less distributions from:
Net investment income	$	0.49			0.94		0.70			0.48			0.57			0.62
Net realized gain on investments	$	—			—		—			0.05			0.02			—
Total distributions	$	0.49			0.94		0.70			0.53			0.59			0.62
Net asset value, end of period	$	14.75			15.53		15.53			15.57			15.45			14.82
Total Investment Return(1)	%	(1.96	)		6.26		4.37			4.28			8.33			3.57
Ratios/Supplemental Data:
Net assets, end of period (000's)	$	99,359			111,749		120,254			125,200			62,852			17,648
Average borrowings (000's)(2)	$	251,674			404,137		325,044			34,767			20,771			17,655
Asset coverage per $1,000 of debt	$	5,759			10,171		6,519			1,251			—	*		689
Ratios to average net assets after reimbursement/recoupment:
Expenses (before interest and other fees related to revolving credit facility)(3)(4)	%	1.91			2.00		1.99			1.87			1.87			1.91
Expenses (with interest and other fees related to revolving credit facility)(3)(4)	%	2.63			3.06		2.69			1.94			1.97			2.09
Net investment income(3)(4)	%	6.22			5.91		4.45			2.93			3.47			4.12
Ratios to average net assets before reimbursement/recoupment:
Expenses (before interest and other fees related to revolving credit facility)(3)(4)	%	2.16			2.23		1.97			2.13			2.22			2.31
Expenses (with interest and other fees related to revolving credit facility)(3)(4)	%	2.88			3.29		2.67			2.19			2.31			2.49
Net investment income(3)(4)	%	5.97			5.68		4.47			2.67			3.13			3.72
Portfolio turnover rate	%	41			57		82			82			72			60
Shares outstanding at end of period (000's)		6,734			7,195		7,742			8,043			4,068			1,191

^₍₁₎  Total investment returns do not include sales load.

^₍₂₎  Based on the active days of borrowing.

^₍₃₎  The Investment Adviser has agreed to limit expenses excluding interest, taxes, brokerage commissions, leverage expenses, other investment related costs and extraordinary expenses, subject to possible recoupment by the Investment Adviser within three years to the following:

Class A – 0.90% of Managed Assets plus 0.45% of average daily net assets

Class B – 0.90% of Managed Assets plus 1.20% of average daily net assets

Class C – 0.90% of Managed Assets plus 0.95% of average daily net assets

Class Q – 0.90% of Managed Assets plus 0.45% of average daily net assets

^₍₄₎  Annualized for periods less than one year.

*  There were no loans outstanding at period end.

**Per share numbers have been calculated using average number of shares outstanding throughout the period.

See Accompanying Notes to Financial Statements
13

ING SENIOR INCOME FUND(UNAUDITED)(CONTINUED)  FINANCIAL HIGHLIGHTS

Selected data for a share of beneficial interest outstanding for each period.

	Class C
	Six Months Ended August 31,			Year Ended February 28 or 29,
	2007			2007		2006			2005		2004			2003
Per Share Operating Performance:
Net asset value, beginning of period	$	15.55			15.55		15.58			15.46		14.82			14.92
Income (loss) from investment operations:
Net investment income	$	0.48			0.93		0.70			0.47		0.53			0.62
Net realized and unrealized gain (loss) on investments	$	(0.77	)		0.01		(0.03	)		0.18		0.70			(0.10	)
Total income (loss) from investment operations	$	(0.29	)		0.94		0.67			0.65		1.23			0.52
Less distributions from:
Net investment income	$	0.49			0.94		0.70			0.48		0.57			0.62
Net realized gain on investments	$	—			—		—			0.05		0.02			—
Total distributions	$	0.49			0.94		0.70			0.53		0.59			0.62
Net asset value, end of period	$	14.77			15.55		15.55			15.58		15.46			14.82
Total Investment Return(1)	%	(1.96	)		6.25		4.44			4.28		8.40			3.57
Ratios/Supplemental Data:
Net assets, end of period (000's)	$	866,888			927,950		923,549			830,584		275,849			32,647
Average borrowings (000's)(2)	$	251,674			404,137		325,044			34,767		20,771			17,655
Asset coverage per $1,000 of debt	$	5,759			10,171		6,519			1,251		—	*		689
Ratios to average net assets after reimbursement/recoupment:
Expenses (before interest and other fees related to revolving credit facility)(3)(4)	%	1.91			2.00		1.99			1.83		1.86			1.91
Expenses (with interest and other fees related to revolving credit facility)(3)(4)	%	2.63			3.06		2.69			1.94		1.94			2.09
Net investment income(3)(4)	%	6.23			5.92		4.46			2.88		3.38			4.19
Ratios to average net assets before reimbursement/recoupment:
Expenses (before interest and other fees related to revolving credit facility)(3)(4)	%	1.91			1.98		1.97			1.83		1.96			2.06
Expenses (with interest and other fees related to revolving credit facility)(3)(4)	%	2.63			3.04		2.67			1.95		2.04			2.24
Net investment income(3)(4)	%	6.23			5.93		4.48			2.87		3.28			4.04
Portfolio turnover rate	%	41			57		82			82		72			60
Shares outstanding at end of period (000's)		58,681			59,679		59,402			53,316		17,841			2,202
	Class Q
	Six Months Ended August 31,			Year Ended February 28 or 29,
	2007			2007		2006			2005		2004			2003
Per Share Operating Performance:
Net asset value, beginning of period	$	15.49			15.49		15.52			15.41		14.79			14.89
Income (loss) from investment operations:
Net investment income	$	0.51			0.99		0.78			0.52		0.63			0.69
Net realized and unrealized gain (loss) on investments	$	(0.77	)		0.03		(0.03	)		0.20		0.65			(0.10	)
Total income (loss) from investment operations	$	(0.26	)		1.02		0.75			0.72		1.28			0.59
Less distributions from:
Net investment income	$	0.52			1.02		0.78			0.56		0.64			0.69
Net realized gain on investments	$	—			—		—			0.05		0.02			—
Total distributions	$	0.52			1.02		0.78			0.61		0.66			0.69
Net asset value, end of period	$	14.71			15.49		15.49			15.52		15.41			14.79
Total Investment Return(1)	%	(1.71	)		6.81		4.97			4.75		8.82			4.09
Ratios/Supplemental Data:
Net assets, end of period (000's)	$	105,617			135,675		184,586			183,017		157,051			215,341
Average borrowings (000's)(2)	$	251,674			404,137		325,044			34,767		20,771			17,655
Asset coverage per $1,000 of debt	$	5,759			10,171		6,519			1,251		—	*		689
Ratios to average net assets after reimbursement/recoupment:
Expenses (before interest and other fees related to revolving credit facility)(3)(4)	%	1.41			1.50		1.49			1.34		1.40			1.41
Expenses (with interest and other fees related to revolving credit facility)(3)(4)	%	2.13			2.56		2.19			1.45		1.54			1.59
Net investment income(3)(4)	%	6.71			6.39		4.96			3.39		4.17			4.69
Ratios to average net assets before reimbursement/recoupment:
Expenses (before interest and other fees related to revolving credit facility)(3)(4)	%	1.41			1.48		1.47			1.34		1.48			1.56
Expenses (with interest and other fees related to revolving credit facility)(3)(4)	%	2.13			2.54		2.17			1.45		1.62			1.74
Net investment income(3)(4)	%	6.71			6.41		4.98			3.38		4.09			4.54
Portfolio turnover rate	%	41			57		82			82		72			60
Shares outstanding at end of period (000's)		7,180			8,761		11,918			11,789		10,188			14,559

^₍₁₎  Total investment returns do not include sales load.

^₍₂₎  Based on the active days of borrowing.

^₍₃₎  The Investment Adviser has agreed to limit expenses excluding interest, taxes, brokerage commissions, leverage expenses, other investment related costs and extraordinary expenses, subject to possible recoupment by the Investment Adviser within three years to the following:

Class A – 0.90% of Managed Assets plus 0.45% of average daily net assets

Class B – 0.90% of Managed Assets plus 1.20% of average daily net assets

Class C – 0.90% of Managed Assets plus 0.95% of average daily net assets

Class Q – 0.90% of Managed Assets plus 0.45% of average daily net assets

^₍₄₎  Annualized for periods less than one year.

*  There were no loans outstanding at period end.

See Accompanying Notes to Financial Statements
14

ING Senior Income Fund

NOTES TO FINANCIAL STATEMENTS as of August 31, 2007 (Unaudited)

NOTE 1 — ORGANIZATION

ING Senior Income Fund (the "Fund"), a Delaware statutory trust, is registered under the Investment Company Act of 1940 as amended, (the "1940 Act"), as a continuously-offered, diversified, closed-end, management investment company. The Fund invests at least 80% of its net assets plus the amount of any borrowings, for investment purposes, in U.S. dollar denominated, floating rate secured senior loans, which generally are not registered under the Securities Act of 1933 as amended (the "'33 Act"), and contain certain restrictions on resale and cannot be sold publicly. These loans bear interest (unless otherwise noted) at rates that float periodically at a margin above the London Inter-Bank Offered Rate ("LIBOR") and other short-term rates. During the period December 15, 2000 through March 30, 2001, the Fund issued 19,933,953 Class Q shares to an affiliate of the Fund's manager, ING Investments, LLC (the "Investment Manager") in exchange for $2 00,000,000. Effective April 2, 2001, the Fund commenced the offering of Class A, Class B, Class C and Class Q shares to the public.

The Fund currently has four classes of shares; A, B, C and Q. Class A shares are subject to a sales charge of up to 2.50%. Class A shares purchased in excess of $1,000,000 are not subject to a sales charge but are subject to an Early Withdrawal Charge ("EWC") of 1% within one year of purchase. Class A shares are issued upon conversion of Class B shares eight years after purchase or through an exchange of Class A shares of certain ING Funds. Class B shares are subject to an EWC of up to 3% over the five-year period after purchase and Class C shares are subject to an EWC of 1% during the first year after purchase.

To maintain a measure of liquidity, the Fund offers to repurchase between 5% and 25% of its outstanding common shares on a monthly basis. This is a fundamental policy that cannot be changed without shareholder approval. The Fund may not repurchase more than 25% in any calendar quarter. Other than these monthly repurchases, no market for the Fund's common shares is expected to exist. The separate classes of shares differ principally in their distribution fees and shareholder servicing fees. All shareholders bear the common expenses of the Fund and earn income and realized gains/losses from the portfolio pro rata on the average daily net assets of each class, without distinction between share classes. Differences in the per share dividend rates generally result from differences in separate class expenses, including distribution fees and shareholder servicing fees.

Effective January 31, 2005, Class B common shares of the Fund became closed to new investment, provided that: (1) Class B common shares of the Fund may be purchased through the reinvestment of dividends issued by the Fund; and (2) subject to the terms and conditions of relevant exchange privileges and as permitted under their respective prospectuses, Class B common shares of the Fund may be acquired through exchange of Class B shares of other funds in the ING mutual funds complex for the Fund's Class B common shares.

NOTE 2 — SIGNIFICANT ACCOUNTING POLICIES

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

A.  Senior Loan and Other Security Valuation. Senior loans held by the Fund are normally valued at the average of the means of one or more bid and asked quotations obtained from a pricing service or other sources determined by the Board of Trustees to be independent and believed to be reliable. Loans for which reliable market value quotations are not readily available may be valued with reference to another loan or a group of loans for which quotations are more readily available and whose characteristics are comparable to the loan being valued. Under this approach, the comparable loan or loans serve as a proxy for changes in value of the loan being valued. The Fund has engaged an independent pricing service to provide quotations from dealers in loans and to calculate values under the proxy procedure described above.

15

ING Senior Income Fund

NOTES TO FINANCIAL STATEMENTS as of August 31, 2007 (Unaudited) (continued)

NOTE 2 — SIGNIFICANT ACCOUNTING POLICIES (continued)

It is expected that most of the loans held by the Fund will be valued with reference to quotations from the independent pricing service or with reference to the proxy procedure described above. As of August 31, 2007, 99.13% of total loans were valued based on these procedures.

Prices from a pricing service may not be available for all loans and the Investment Manager may believe that the price for a loan derived from market quotations or the proxy procedure described above is not reliable or accurate. Among other reasons, this may be the result of information about a particular loan or borrower known to the Investment Manager that the Investment Manager believes may not be known to the pricing service or reflected in a price quote. In this event, the loan is valued at fair value as determined in good faith under procedures established by the Fund's Board of Trustees and in accordance with the provisions of the 1940 Act. Under these procedures, fair value is determined by the Investment Manager and monitored by the Fund's Board of Trustees through its Valuation, Proxy and Brokerage Committee (formerly, Valuation and Proxy Committee).

In fair valuing a loan, consideration is given to several factors, which may include, among others, the following: (i) the characteristics of and fundamental analytical data relating to the loan, including the cost, size, current interest rate, period until the next interest rate reset, maturity and base lending rate of the loan, the terms and conditions of the loan and any related agreements, and the position of the loan in the borrower's debt structure; (ii) the nature, adequacy and value of the collateral, including the Fund's rights, remedies and interests with respect to the collateral; (iii) the creditworthiness of the borrower and the cash flow coverage of outstanding principal and interest, based on an evaluation of its financial condition, financial statements and information about the borrower's business, cash flows, capital structure and future prospects; (iv) information relating to the market for the loan, including price quotat ions for, and trading in, the loan and interests in similar loans and the market environment and investor attitudes towards the loan and interests in similar loans; (v) the reputation and financial condition of the agent for the loan and any intermediate participants in the loan; (vi) the borrower's management; and (vii) the general economic and market conditions affecting the fair value of the loan. Securities other than senior loans for which reliable market value quotations are not readily available and all other assets will be valued at their respective fair values as determined in good faith by, and under procedures established by, the Board of Trustees of the Fund. Investments in securities maturing in 60 days or less from the date of valuation are valued at amortized cost, which, when combined with accrued interest, approximates market value. To the extent the Fund invests in other registered companies, the Fund's NAV is calculated based on the current NAV of the registered investment company in which the Fund invests. The prospectuses for those investment companies explain the circumstances under which they will use fair value pricing and the effects of using fair value pricing.

B.  Distributions to Shareholders. The Fund declares and goes ex-dividend daily and pays dividends monthly from net investment income. Distributions from capital gains, if any, are declared and paid annually. The Fund may make additional distributions to comply with the distribution requirements of the Internal Revenue Code. The character and amounts of income and gains to be distributed are determined in accordance with federal income tax regulations, which may differ from U.S. generally accepted accounting principles for investment companies. The Fund records distributions to its shareholders on the ex-dividend date.

C.  Security Transactions and Revenue Recognition. Revolver and delayed draw loans are booked on a settlement date basis. Security transactions and senior loans are accounted for on trade date (date the order to buy or sell is executed). Realized gains or losses are reported on the basis of identified cost of securities sold. Interest income is recorded on an accrual basis at the then-current loan rate. The accrual of interest on loans is partially or fully discontinued when, in the opinion of management, there is an indication that the borrower may be unable to meet payments as they become due. If determined to be uncollectible, unpaid accrued interest is also written off. Cash collections on non-accrual senior loans are generally applied as a reduction to the recorded investment of the loan. Loans are generally returned to accrual status only after all past due amounts have been received and the borrower has demonstrated sustained performance. Premium

16

ING Senior Income Fund

NOTES TO FINANCIAL STATEMENTS as of August 31, 2007 (Unaudited) (continued)

NOTE 2 — SIGNIFICANT ACCOUNTING POLICIES (continued)

amortization and discount accretion are determined by the effective yield method over the shorter of four years or the actual term of the loan. Arrangement fees received on revolving credit facilities, which represent non-refundable fees or purchase discounts associated with the acquisition of loans, are deferred and recognized using the effective yield method over the shorter of four years or the actual term of the loan. No such fees are recognized on loans which have been placed on non-accrual status. Arrangement fees associated with all other loans, except revolving credit facilities, are treated as discounts and are accreted as described above. Dividend income is recorded on the ex-dividend date.

D.  Federal Income Taxes. It is the Fund's policy to comply with subchapter M of the Internal Revenue Code and related excise tax provisions applicable to regulated investment companies and to distribute substantially all of its net investment income and net realized capital gains to its shareholders. Therefore, no federal income tax provision is required. No capital gain distributions shall be made until any capital loss carryforwards have been fully utilized or expire.

E.  Use of Estimates. The preparation of financial statements in conformity with U.S. generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of increases and decreases in net assets from operations during the reporting period. Actual results could differ from those estimates.

F.  Forward Foreign Currency Contracts. The Fund may enter into forward foreign currency contracts primarily to hedge against foreign currency exchange rate risks on its non-U.S. dollar denominated investment securities. When entering into a currency forward contract, the Fund agrees to receive or deliver a fixed quantity of foreign currency for an agreed-upon price on an agreed future date. These contracts are valued daily and the Fund's net equity therein, representing unrealized gain or loss on the contracts as measured by the difference between the forward foreign exchange rates at the dates of entry into the contracts and the forward rates at the reporting date, is included in the Statement of Assets and Liabilities. Realized and unrealized gains and losses are included in the S tatement of Operations. These instruments involve market and/or credit risk in excess of the amount recognized in the Statement of Assets and Liabilities. Risks arise from the possible inability of counterparties to meet the terms of their contracts and from movement in currency and securities values and interest rates. Open forward foreign currency contracts are presented following the respective Portfolio of Investments.

NOTE 3 — INVESTMENTS

For the six months ended August 31, 2007, the cost of purchases and the proceeds from principal repayment and sales of investments, excluding short-term investments, totaled $1,138,245,379 and $1,001,433,852, respectively. At August 31, 2007, the Fund held senior loans valued at $2,415,645,072 representing 99.8% of its total investments. The market value of these assets is established as set forth in Note 2.

The senior loans acquired by the Fund typically take the form of a direct lending relationship with the borrower acquired through an assignment of another lender's interest in a loan. The lead lender in a typical corporate loan syndicate administers the loan and monitors collateral. In the event that the lead lender becomes insolvent, enters FDIC receivership or, if not FDIC insured, enters into bankruptcy, the Fund may incur certain costs and delays in realizing payment, or may suffer a loss of principal and/or interest.

Warrants and shares of common stock held in the portfolio were acquired in conjunction with loans held by the Fund. Certain of these shares and warrants are restricted and may not be publicly sold without registration under the '33 Act, or without an exemption under the 1933 Act. In some cases, these restrictions expire after a designated period of time after the issuance of the shares or warrants.

17

ING Senior Income Fund

NOTES TO FINANCIAL STATEMENTS as of August 31, 2007 (Unaudited) (continued)

NOTE 3 — INVESTMENTS (continued)

Dates of acquisition and cost or assigned basis of restricted securities are as follows:

	Date of Acquisition	Cost or Assigned Basis
Decision One Corporation (463,664 Common Shares)	06/03/05	$	295,535
Neoplan USA Corporation (1,627 Common Shares)	08/31/04		—
Neoplan USA Corporation (170 Series B Preferred Shares)	08/29/03		—
Neoplan USA Corporation (102 Series C Preferred Shares)	08/29/03		40,207
Neoplan USA Corporation (331 Series D Preferred Shares)	08/29/03		330,600
Norwood Promotional Products, Inc. (80,087 Common Shares)	08/23/04		10,046
Safelite Realty Corporation (30,003 Common Shares)	06/21/01		—
Total restricted securities excluding senior loans (market value of $545,337 was 0.0% of net assets at August 31, 2007).		$	676,388

NOTE 4 — MANAGEMENT AND ADMINISTRATION AGREEMENTS

The Fund has entered into an investment management agreement ("Management Agreement") with the Investment Adviser to provide advisory and management services. The Management Agreement compensates the Investment Adviser with a fee, computed daily and payable monthly, at an annual rate of 0.80% of the Fund's average daily gross asset value, minus the sum of the Fund's accrued and unpaid dividends on any outstanding preferred shares and accrued liabilities (other than liabilities for the principal amount of any borrowings incurred, commercial paper or notes issued by the Fund and the liquidation preference of any outstanding preferred shares) ("Managed Assets"). The Fund is sub-advised by ING Investment Management Co. ("ING IM"). Under the sub-advisory agreement, ING IM is responsible for managing the assets of the Fund in accordance with its investment objective and policies, subject to oversight by the Investment Adviser. Both ING IM and the Investment Adviser are indirect, wholly-owned subsidiaries of INGGroep N.V. ("ING Groep") and affiliates of each other.

The Fund has also entered into an Administration Agreement with ING Funds Services, LLC (the "Administrator"), an indirect, wholly-owned subsidiary of ING Groep N.V., to provide administrative services. The Administrator is compensated with a fee, computed daily and payable monthly, at an annual rate of 0.10% of the Fund's Managed Assets.

NOTE 5 — DISTRIBUTION AND SERVICE FEES

Each share class of the Fund has adopted a Plan pursuant to Rule 12b-1 under the 1940 Act (the "12b-1 Plans"), whereby ING Funds Distributor, LLC (the "Distributor") is compensated by the Fund for expenses incurred in the distribution of the Fund's shares ("Distribution Fees"). Pursuant to the 12b-1 Plans, the Distributor is entitled to a payment each month for actual expenses incurred in the distribution and promotion of the Fund's shares, including expenses incurred in printing prospectuses and reports used for sales purposes, expenses incurred in preparing and printing sales literature and other such distribution related expenses, including any distribution or Shareholder Servicing Fees ("Service Fees") paid to securities dealers who executed a distribution agreement with the Distributor. Under the 12b-1 plans, each class of shares of the Fund pays the Distributor a combined Distribution and/or Service Fee based on average daily net asset s at the following annual rates:

Class A			Class B			Class C			Class Q
	0.25	%		1.00	%		0.75	%		0.25	%

During the six months ended August 31, 2007, the Distributor waived 0.25% of the Service Fee on Class B shares only.

18

ING Senior Income Fund

NOTES TO FINANCIAL STATEMENTS as of August 31, 2007 (Unaudited) (continued)

NOTE 6 — EXPENSE LIMITATIONS

The Investment Adviser has voluntarily agreed to limit expenses, excluding interest, taxes, brokerage commissions, leverage expenses, other investment-related costs and extraordinary expenses, to the following:

Class A — 0.90% of Managed Assets plus 0.45% of average daily net assets

Class B — 0.90% of Managed Assets plus 1.20% of average daily net assets

Class C — 0.90% of Managed Assets plus 0.95% of average daily net assets

Class Q — 0.90% of Managed Assets plus 0.45% of average daily net assets

NOTE 7 — COMMITMENTS

The Fund has entered into a revolving credit agreement, collateralized by assets of the Fund, to borrow up to $750 million maturing June 12, 2008. On September 10th, 2007, the amount of the credit agreement was increased to $840 million. Borrowing rates under this agreement are based on a commercial paper pass through rate plus 0.25% on the funded portion. A facility fee of 0.15% is charged on the entire facility. There was $420 million of borrowings outstanding at August 31, 2007 at a rate of 5.75%, excluding other fees related to the entire facility. Average borrowings for the six months ended August 31, 2007 were $251,673,913 and the average annualized interest rate was 6.16%, excluding other fees related to the entire facility.

NOTE 8 — SENIOR LOAN COMMITMENTS

As of August 31, 2007, the Fund had unfunded loan commitments pursuant to the terms of the following loan agreements:

Advance Food Co.	$	309,524
Builders Firstsource, Inc.		1,500,000
Calpine Corp.		2,700,000
Cannery Casino Resorts		1,228,347
Cellular South, Inc.		750,000
Coach America Holdings, Inc.		262,712
Coleto Creek Power		5,000,000
Community Health Systems, Inc.		3,031,709
EPD, Inc.		562,500
FCH KFT - Term Loan B		28,939
FCH KFT - Term Loan C		28,939
Fender Musical Instruments Corp.		1,166,667
Fleetcor Technologies Operating Co., LLC		133,333
Fontainebleau Resorts, LLC		1,333,333
Golden Nugget, Inc.		636,364
Hearthstone Housing Partners II, LLC		1,764,706
Hub International Holdings, Inc.		313,726
Iasis Healthcare Corporation		325,517
Inventiv Health, Inc.		85,714
Isle of Capri Casinos, Inc.		882,353
Kerasotes Theatres, Inc.		966,930
Las Vegas Sands, LLC	$	1,200,000
Levana Holding 4 GmbH - Term Loan B		175,404
Levana Holding 4 GmbH - Term Loan C		175,405
Longview Power, LLC		1,016,667
Lucite International U.S. Finco Ltd.		362,119
MEG Energy Corp.		4,200,000
NRG Energy, Inc.		6,250,862
Seminole Tribe of Florida		142,510
Sturm Foods, Inc.		500,000
Sun Healthcare Group, Inc.		87,356
Trump Entertainment Resorts Holdings, L.P.		4,353
United Surgical Partners International, Inc.		147,177
Univision Communications, Inc.		2,115,793
UPC Broadband Holding		1,741,434
Valassis Communications, Inc.		320,000
Wastequip, Inc.		186,765
	$	41,637,158

NOTE 9 — TRANSACTIONS WITH AFFILIATES AND RELATED PARTIES

At August 31, 2007, the Fund had the following amounts recorded in payable to affiliates on the accompanying Statement of Assets and Liabilities (see Notes 4 and 5):

Accrued Investment Management Fees		Accrued Administrative Fees		Accrued Distribution and Service Fees		Total
$	1,630,587	$	203,823	$	851,683	$	2,686,093

The Fund has adopted a Retirement Policy ("Policy") covering all independent trustees of the Fund who will have served as an independent trustee for at least five years at the time of retirement. Benefits under this Policy are based on an annual rate as defined in the Policy agreement, as amended.

19

ING Senior Income Fund

NOTES TO FINANCIAL STATEMENTS as of August 31, 2007 (Unaudited) (continued)

NOTE 10 — CUSTODIAL AGREEMENT

State Street Bank and Trust Company ("SSB") serves as the Fund's custodian and recordkeeper. Custody fees paid to SSB may be reduced by earnings credits based on the cash balances held by SSB for the Fund.

There were no earnings credits for the six months ended August 31, 2007.

NOTE 11 — SUBORDINATED LOANS AND UNSECURED LOANS

The primary risk arising from investing in subordinated loans or in unsecured loans is the potential loss in the event of default by the issuer of the loans. The Fund may invest up to 10% of its total assets, measured at the time of investment, in subordinated loans and up to 10% of its total assets, measured at the time of investment, in unsecured loans. As of August 31, 2007, the Fund held 0.2% of its total assets in subordinated loans and unsecured loans.

NOTE 12 — CAPITAL SHARES

Transactions in capital shares and dollars were as follows:

	Class A Shares						Class B Shares
	Six Months Ended August 31, 2007			Year Ended February 28, 2007			Six Months Ended August 31, 2007			Year Ended February 28, 2007
Number of Shares
Shares sold		12,341,640			32,168,921			212,437			887,201
Dividends reinvested		1,504,669			2,946,341			151,678			312,109
Shares redeemed		(15,295,853	)		(30,022,776	)		(825,035	)		(1,746,090	)
Net increase (decrease) in shares outstanding		(1,449,544	)		5,092,486			(460,920	)		(546,780	)
Dollar Amount ($)
Shares sold	$	190,630,809		$	498,004,945		$	3,276,609		$	13,712,848
Dividends reinvested		22,997,526			44,687,774			2,313,657			4,755,391
Shares redeemed		(234,128,941	)		(464,618,771	)		(12,647,073	)		(26,983,867	)
Net increase (decrease)	$	(20,500,606	)	$	78,073,948		$	(7,056,807	)	$	(8,515,628	)
	Class C Shares						Class Q Shares
	Six Months Ended August 31, 2007			Year Ended February 28, 2007			Six Months Ended August 31, 2007			Year Ended February 28, 2007
Number of Shares
Shares sold		7,979,404			19,971,910			1,190,862			6,177,228
Dividends reinvested		1,352,520			2,633,036			101,682			145,573
Shares redeemed		(10,330,137	)		(22,327,696	)		(2,873,875	)		(9,479,659	)
Net increase (decrease) in shares outstanding		(998,213	)		277,250			(1,581,331	)		(3,156,858	)
Dollar Amount ($)
Shares sold	$	123,116,875		$	308,955,952		$	18,283,766		$	95,128,042
Dividends reinvested		20,652,511			39,969,119			1,548,549			2,242,825
Shares redeemed		(157,980,804	)		(345,190,055	)		(43,402,028	)		(146,017,756	)
Net increase (decrease)	$	(14,211,418	)	$	3,735,016		$	(23,569,713	)	$	(48,646,889	)

NOTE 13 — FEDERAL INCOME TAXES

The amount of distributions from net investment income and net realized capital gains are determined in accordance with federal income tax regulations, which may differ from U.S. generally accepted accounting principles for investment companies. These book/tax differences may be either temporary or permanent. Permanent differences are reclassified within the capital accounts based on their federal tax-basis treatment; temporary differences are not reclassified. Key differences include the treatment of short-term capital gains, foreign currency transactions, and wash sale deferrals. Distributions in excess of net investment income and/or net realized capital gains for tax purposes are reported as distributions of paid-in capital.

20

ING Senior Income Fund

NOTES TO FINANCIAL STATEMENTS as of August 31, 2007 (Unaudited) (continued)

NOTE 13 — FEDERAL INCOME TAXES (continued)

Dividends paid by the Fund from net investment income and distributions of net realized short-term capital gains are, for federal income tax purposes, taxable as ordinary income to shareholders.

The tax composition of dividends and distributions to shareholders was as follows:

Six Months Ended August 31, 2007		Year Ended February 28, 2007
Ordinary Income		Ordinary Income
$	70,731,389	$	138,474,557

The tax-basis components of distributable earnings and the expiration dates of the capital loss carryforwards which may be used to offset future realized capital gains for federal income tax purposes as of February 28, 2007 were:

Unrealized Appreciation/ Depreciation		Post-October Currency Losses Deferred			Capital Loss Carryforwards			Expiration Dates
$	32,328,406	$	(2,222,078	)	$	(2,774,928	)		2014
						(823,036	)		2015
					$	(3,597,964	)

NOTE 14 — OTHER ACCOUNTING PRONOUNCEMENTS

In June 2006, the Financial Accounting Standards Board ("FASB") issued FASB Interpretation No. 48 ("FIN 48"), "Accounting for Uncertainty in Income Taxes." This standard defines the threshold for recognizing the benefits of tax-return positions in the financial statements as "more-likely-than-not" to be sustained upon challenge by the taxing authority and requires measurement of a tax position meeting the more-likely-than-not criterion, based on the largest benefit that is more than 50 percent likely to be realized. FIN 48 was effective for fiscal years beginning after December 15, 2006, with early application permitted if no interim financial statements have been issued. However, acknowledging the unique issues that FIN 48 presents for investment companies that calculate NAVs, the U.S. Securities and Exchange Commission (the "SEC") has indicated that they would not object if a fund implements FIN 48 in its NAV calculation as late as its las t NAV calculation in the first required financial statement reporting period for its fiscal year beginning after December 15, 2006. For the February year-end closed-end funds, the August 31, 2007 NAV and this semi-annual report are required to reflect the effects of FIN 48. At adoption, companies must adjust their financial statements to reflect only those tax positions that are more likely-than-not to be sustained as of the adoption date. Management of the Fund has analyzed the tax positions of the Fund. Upon adoption of FIN 48, we identified no uncertain tax positions that have not met the more likely-than-not standard.

On September 15, 2006, the FASB issued Statement of Financial Accounting Standards No. 157 ("SFAS No. 157"), "Fair Value Measurements." The new accounting statement defines fair value, establishes a framework for measuring fair value in generally accepted accounting principles ("GAAP"), and expands disclosures about fair value measurements. SFAS No. 157 defines fair value as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants at the measurement date (an exit price). SFAS No. 157 also stipulates that, as a market-based measurement, fair value measurement should be determined based on the assumptions that market participants would use in pricing the asset or liability, and establishes a fair value hierarchy that distinguishes between (a) market participant assumptions developed based on market data obtained from sources independent of the reporting entity (obse rvable inputs) and (b) the reporting entity's own assumptions about market participant assumptions developed based on the best information available in the circumstances (unobservable inputs). SFAS No. 157 is effective for financial statements issued for fiscal years beginning after

21

ING Senior Income Fund

NOTES TO FINANCIAL STATEMENTS as of August 31, 2007 (Unaudited) (continued)

NOTE 14 — OTHER ACCOUNTING PRONOUNCEMENTS (continued)

November 15, 2007. As of August 31, 2007, management of the Fund is currently assessing the impact, if any, that will result from adopting SFAS No. 157.

NOTE 15 — INFORMATION REGARDING TRADING OF ING'S US MUTUAL FUNDS

As discussed in earlier supplements, ING Investments, LLC ("Investments"), the adviser to the ING Funds, has reported to the Boards of Directors/Trustees (the "Boards") of the ING Funds that, like many U.S. financial services companies, Investments and certain of its U.S. affiliates have received informal and formal requests for information since September 2003 from various governmental and self-regulatory agencies in connection with investigations related to mutual funds and variable insurance products. Investments has advised the Boards that it and its affiliates have cooperated fully with each request.

In addition to responding to regulatory and governmental requests, Investments reported that management of U.S. affiliates of ING Groep N.V., including Investments (collectively, "ING"), on their own initiative, have conducted, through independent special counsel and a national accounting firm, an extensive internal review of trading in ING insurance, retirement, and mutual fund products. The goal of this review was to identify any instances of inappropriate trading in those products by third parties or by ING investment professionals and other ING personnel. ING's internal review related to mutual fund trading is now substantially completed. ING has reported that, of the millions of customer relationships that ING maintains, the internal review identified several isolated arrangements allowing third parties to engage in frequent trading of mutual funds within ING's variable insurance and mutual fund products, and identified other circumstan ces where frequent trading occurred, despite measures taken by ING intended to combat market timing. ING further reported that each of these arrangements has been terminated and fully disclosed to regulators. The results of the internal review were also reported to the independent members of the Boards.

Investments has advised the Boards that most of the identified arrangements were initiated prior to ING's acquisition of the businesses in question in the U.S. Investments further reported that the companies in question did not receive special benefits in return for any of these arrangements, which have all been terminated.

Based on the internal review, Investments has advised the Boards that the identified arrangements do not represent a systemic problem in any of the companies that were involved.

Despite the extensive internal review conducted through independent special counsel and a national accounting firm, there can be no assurance that the instances of inappropriate trading reported to the Boards are the only instances of such trading respecting the ING Funds.

Investments reported to the Boards that ING is committed to conducting its business with the highest standards of ethical conduct with zero tolerance for noncompliance. Accordingly, Investments advised the Boards that ING management was disappointed that its voluntary internal review identified these situations. Viewed in the context of the breadth and magnitude of its U.S. business as a whole, ING management does not believe that ING's acquired companies had systemic ethical or compliance issues in these areas. Nonetheless, Investments reported that given ING's refusal to tolerate any lapses, it has taken the steps noted below, and will continue to seek opportunities to further strengthen the internal controls of its affiliates.

•  ING has agreed with the ING Funds to indemnify and hold harmless the ING Funds from all damages resulting from wrongful conduct by ING or its employees or from ING's internal investigation, any investigations conducted by any governmental or self-regulatory

22

ING Senior Income Fund

NOTES TO FINANCIAL STATEMENTS as of August 31, 2007 (Unaudited) (continued)

NOTE 15 — INFORMATION REGARDING TRADING OF ING'S U.S. MUTUAL FUNDS (continued)

agencies, litigation or other formal proceedings, including any proceedings by the SEC. Investments reported to the Boards that ING management believes that the total amount of any indemnification obligations will not be material to ING or its U.S. business.

•  ING updated its Code of Conduct for employees reinforcing its employees' obligation to conduct personal trading activity consistent with the law, disclosed limits, and other requirements.

Other Regulatory Matters

The New York Attorney General (the "NYAG") and other federal and state regulators are also conducting broad inquiries and investigations involving the insurance industry. These initiatives currently focus on, among other things, compensation and other sales incentives; potential conflicts of interest; potential anti-competitive activity; reinsurance; marketing practices (including suitability); specific product types (including group annuities and indexed annuities); fund selection for investment products and brokerage sales; and disclosure. It is likely that the scope of these industry investigations will further broaden before they conclude. ING has received formal and informal requests in connection with such investigations, and is cooperating fully with each request. In connection with one such investigation, affiliates of Investments were named in a petition for relief and cease and desist order filed by the New Hampshire Bureau of Secu rities Regulation (the "NH Bureau") concerning their administration of the New Hampshire state employees deferred compensation plan.

Other federal and state regulators could initiate similar actions in this or other areas of ING's businesses. These regulatory initiatives may result in new legislation and regulation that could significantly affect the financial services industry, including businesses in which ING is engaged. In light of these and other developments, ING continuously reviews whether modifications to its business practices are appropriate. At this time, in light of the current regulatory factors, ING U.S. is actively engaged in reviewing whether any modifications in our practices are appropriate for the future.

There can be no assurance that these matters, or the adverse publicity associated with them, will not result in increased fund redemptions, reduced sale of fund shares, or other adverse consequences to ING Funds.

NOTE 16 — SUBSEQUENT EVENTS

DIVIDENDS DECLARED

Subsequent to August 31, 2007, the Fund declared the following dividends:

Per Share Amount			Type	Declaration Date	Record Date	Payable Date
$	0.08543	(A)	NII	Daily	Daily	October 1, 2007
$	0.07910	(B)	NII	Daily	Daily	October 1, 2007

NII — Net Investment Income

(A) For Class A and Q shares.

(B) For Class B and C shares.

23

ING Senior Income Fund

ADDITIONAL INFORMATION

PROXY VOTING INFORMATION

A description of the policies and procedures that the Registrant uses to determine how to vote proxies related to portfolio securities is available (1) without charge, upon request, by calling Shareholder Services toll-free at (800) 992-0180; (2) on the Registrant's website at www.ingfunds.com; and (3) on the SEC's website at www.sec.gov. Information regarding how the Registrant voted proxies related to portfolio securities during the most recent 12-month period ended June 30 is available without charge on the Registrant's website at www.ingfunds.com and on the SEC's website at www.sec.gov.

QUARTERLY PORTFOLIO HOLDINGS

The Registrant files its complete schedule of portfolio holdings with the Commission for the first and third quarters of each fiscal year on Form N-Q. The Registrant's Forms N-Q are available on the SEC's website at www.sec.gov. The Registrant's Forms N-Q may be reviewed and copied at the Commissions Public Reference Room in Washington, DC, and information on the operation of the Public Reference Room may be obtained by calling (800) SEC-0330; and is available upon request from the Registrant by calling Shareholder Services toll-free at (800) 992-0180.

24

ING Senior Income Fund

PORTFOLIO OF INVESTMENTS as of August 31, 2007 (Unaudited)

Senior Loans*: 120.9%			Bank Loan Ratings†		Market
Principal Amount		Borrower/Tranche Description	Moody's	S&P	Value
Aerospace & Defense: 2.2%
		Avio Group	NR	NR
EUR	708,333	Term Loan, 6.222%, maturing December 13, 2014			$	938,430
$	590,346	Term Loan, 7.814%, maturing December 13, 2014				565,994
EUR	708,333	Term Loan, 6.597%, maturing December 13, 2015				943,255
$	590,346	Term Loan, 8.125%, maturing December 13, 2015				568,946
		Delta Air Lines, Inc.	Ba2	BB-
	2,835,000	Term Loan, 7.360%, maturing April 30, 2012				2,707,425
		Delta Air Lines, Inc.	B2	B
	3,000,000	Second Lien Term Loan, 8.610%, maturing April 30, 2012				2,898,000
		Dyncorp International, LLC	Ba2	BB-
	2,174,750	Term Loan, 7.625%, maturing February 11, 2011				2,076,886
		Forgings International, Ltd.	NR	NR
	1,272,986	Term Loan, 7.610%, maturing August 11, 2014				1,210,928
GBP	223,269	Term Loan, 8.091%, maturing August 11, 2014				428,262
$	1,369,696	Term Loan, 7.860%, maturing August 11, 2015				1,309,772
GBP	241,073	Term Loan, 8.341%, maturing August 11, 2015				464,844
		Hawker Beechcraft Acquisition Company, LLC	Ba3	BB-
$	931,136	Term Loan, 7.350%, maturing March 26, 2014				890,399
	9,091,843	Term Loan, 7.371%, maturing March 26, 2014				8,694,075
		Hexcel Corporation	Ba1	BB
	806,698	Term Loan, 7.139%, maturing March 01, 2012				786,531
		McKechnie Aerospace DE, Inc.	Ba3	B+
	1,250,000	Term Loan, 7.360%, maturing May 11, 2014				1,187,500
		Spirit Aerosystems, Inc.	Ba3	BB+
	978,026	Term Loan, 7.110%, maturing September 30, 2013				968,246
		Transdigm, Inc.	Ba3	B+
	3,500,000	Term Loan, 7.360%, maturing June 23, 2013				3,377,500
		United Airlines, Inc.	B1	BB-
	2,985,000	Term Loan, 7.625%, maturing February 01, 2014				2,816,162
		US Airways Group, Inc.	B2	B+
	8,000,000	Term Loan, 7.860%, maturing March 24, 2014				7,569,168

See Accompanying Notes to Financial Statements
25

ING Senior Income Fund

PORTFOLIO OF INVESTMENTS as of August 31, 2007 (Unaudited) (continued)

					Bank Loan Ratings†		Market
Principal Amount				Borrower/Tranche Description	Moody's	S&P	Value
Aerospace & Defense: (continued)
				Wesco Aircraft Hardware Corporation	B1	BB-
$	1,472,500			Term Loan, 7.610%, maturing September 29, 2013			$	1,428,325
				Wyle Holdings, Inc.	NR	BB-
	1,750,418			Term Loan, 8.110%, maturing January 28, 2011				1,671,649
								43,502,297
Automobile: 2.1%
				Dollar Thrifty Automotive Group, Inc.	B1	BB
	1,000,000			Term Loan, 7.340%, maturing June 15, 2014				974,167
		(1	)	Federal-Mogul Corporation	NR	BBB+
	1,500,000			Debtor In Possession Term Loan, 7.250%, maturing December 31, 2007				1,488,125
				Ford Motor Company	Ba3	B+
	2,227,500			Term Loan, 8.360%, maturing December 15, 2013				2,096,982
				Hertz Corporation	Ba1	BB+
	6,615,622			Term Loan, 7.097%, maturing December 21, 2012				6,437,238
	1,500,000			Term Loan, 7.110%, maturing December 21, 2012				1,459,554
				KAR Holdings, Inc.	Ba3	B
	5,000,000			Term Loan, 7.610%, maturing October 20, 2013				4,709,375
				Navistar International Corporation	NR	NR
	1,200,000			Revolver, 8.584%, maturing January 19, 2012				1,156,500
				Oshkosh Truck Corporation	Ba3	BBB-
	20,895,000			Term Loan, 7.110%, maturing December 06, 2013				20,170,215
				SAF-Holland Group GmbH	NR	NR
	1,420,523			Term Loan, 7.715%, maturing November 30, 2014				1,385,010
	1,346,400			Term Loan, 8.215%, maturing November 30, 2015				1,326,204
								41,203,370
Beverage, Food & Tobacco: 2.9%
				Advance Food Company	B1	BB-
	874,391			Term Loan, 7.110%, maturing March 16, 2014				826,299
				ARAMARK Corporation	Ba3	BB-
	2,583,246			Term Loan, 7.360%, maturing January 26, 2014				2,497,353
	24,912,869			Term Loan, 7.360%, maturing January 26, 2014				24,084,516
	3,980,000			Term Loan, 7.360%, maturing January 26, 2014				3,847,665
				B&G Foods, Inc.	Ba2	BB-
	847,826			Term Loan, 7.510%, maturing February 23, 2013				835,109

See Accompanying Notes to Financial Statements
26

ING Senior Income Fund

PORTFOLIO OF INVESTMENTS as of August 31, 2007 (Unaudited) (continued)

			Bank Loan Ratings†		Market
Principal Amount		Borrower/Tranche Description	Moody's	S&P	Value
Beverage, Food & Tobacco: (continued)
		Birds Eye Foods, Inc.	B1	B+
$	864,167	Term Loan, 7.110%, maturing March 22, 2013			$	844,723
		Bolthouse Farms, Inc.	B1	B+
	1,940,227	Term Loan, 7.625%, maturing December 16, 2012				1,874,744
		Bumble Bee Foods, LLC	B1	B+
	1,800,000	Term Loan, 7.107%, maturing May 02, 2012				1,728,000
		Golden State Foods	B1	B+
	4,353,750	Term Loan, 7.108%, maturing February 28, 2011				4,288,444
		Iglo Birds Eye	NR	NR
EUR	568,424	Term Loan, 6.550%, maturing October 27, 2014				756,447
EUR	380,330	Term Loan, 6.550%, maturing October 27, 2014				506,135
EUR	380,330	Term Loan, 6.925%, maturing October 27, 2015				506,135
EUR	568,424	Term Loan, 6.925%, maturing October 27, 2015				759,835
EUR	51,247	Term Loan, 6.605%, maturing November 30, 2014				68,198
EUR	51,247	Term Loan, 6.980%, maturing November 30, 2015				68,503
		Michael Foods	Ba3	BB-
$	663,967	Term Loan, 7.361%, maturing November 21, 2010				641,143
		Pinnacle Foods Holding Corporation	B2	B
	7,700,000	Term Loan, 8.110%, maturing April 02, 2014				7,379,164
		Sturm Foods, Inc.	B1	B
	2,992,500	Term Loan, 7.937%, maturing January 31, 2014				2,797,988
		United Biscuits	NR	NR
EUR	775,940	Term Loan, 6.879%, maturing December 31, 2014				1,022,858
GBP	1,000,000	Term Loan, 8.694%, maturing December 31, 2014				1,950,916
		Van Houtte, Inc.	B1	BB-
$	150,000	Term Loan, 7.860%, maturing January 19, 2015				147,000
	1,100,000	Term Loan, 7.860%, maturing July 19, 2014				1,067,000
						58,498,175
Buildings & Real Estate: 2.0%
		Armstrong World Industries, Inc.	Ba2	BBB-
	862,750	Term Loan, 7.288%, maturing October 02, 2013				848,191

See Accompanying Notes to Financial Statements
27

ING Senior Income Fund

PORTFOLIO OF INVESTMENTS as of August 31, 2007 (Unaudited) (continued)

			Bank Loan Ratings†		Market
Principal Amount		Borrower/Tranche Description	Moody's	S&P	Value
Buildings & Real Estate: (continued)
		Capital Automotive, L.P.	Ba1	BB+
$	9,994,732	Term Loan, 7.070%, maturing December 16, 2010			$	9,752,360
		Contech Construction Products, Inc.	Ba3	BB
	2,710,278	Term Loan, 7.395%, maturing January 31, 2013				2,608,642
		Custom Building Products, Inc.	B1	B+
	4,901,962	Term Loan, 7.758%, maturing October 29, 2011				4,607,844
		Frans Bonhomme	NR	NR
EUR	500,000	Term Loan, 6.625%, maturing January 31, 2015				647,528
EUR	500,000	Term Loan, 6.875%, maturing January 31, 2016				650,735
		Headwaters, Inc.	Ba2	BB+
$	3,547,856	Term Loan, 7.360%, maturing April 30, 2011				3,476,899
		Hearthstone Housing Partners II, LLC	NR	NR
	4,411,765	Revolver, 5.434%, maturing December 01, 2007				4,301,471
		John Maneely Company	B3	B+
	4,687,970	Term Loan, 8.610%, maturing December 08, 2013				4,234,798
		KCPC Acquisition, Inc.	Ba2	B
	189,655	Term Loan, 7.625%, maturing May 22, 2014				179,224
	810,345	Term Loan, 8.407%, maturing May 22, 2014				765,776
		Lafarge Roofing	NR	NR
EUR	441,573	Term Loan, 6.425%, maturing March 31, 2015				573,817
EUR	180,337	Term Loan, 6.425%, maturing March 31, 2015				234,345
$	169,425	Term Loan, 7.500%, maturing March 31, 2015				161,589
EUR	409,551	Term Loan, 6.675%, maturing March 31, 2016				534,995
EUR	210,674	Term Loan, 6.675%, maturing March 31, 2016				275,203
$	171,654	Term Loan, 7.750%, maturing March 31, 2016				164,573
		Maguire Properties, Inc.	Ba3	BB-
	386,683	Term Loan, 7.565%, maturing April 24, 2012				382,816
		Nortek, Inc.	Ba2	B+
	3,226,376	Term Loan, 7.610%, maturing August 27, 2011				3,093,288
		Shea Capital I, LLC	Ba3	BB-
	992,500	Term Loan, 7.360%, maturing October 27, 2011				903,175

See Accompanying Notes to Financial Statements
28

ING Senior Income Fund

PORTFOLIO OF INVESTMENTS as of August 31, 2007 (Unaudited) (continued)

					Bank Loan Ratings†		Market
Principal Amount				Borrower/Tranche Description	Moody's	S&P	Value
Buildings & Real Estate: (continued)
				Tishman Speyer	Ba2	BB-
$	2,000,000			Term Loan, 7.080%, maturing December 27, 2012			$	1,940,000
								40,337,269
Cargo Transport: 1.3%
				Baker Tanks, Inc.	B1	B
	3,491,250			Term Loan, 7.691%, maturing May 08, 2014				3,399,605
				Dockwise Transport, N.V.	NR	NR
	1,000,000			Term Loan, 8.235%, maturing March 31, 2016				974,375
	1,368,524			Term Loan, 7.735%, maturing April 20, 2015				1,326,613
	1,000,000			Term Loan, 7.735%, maturing April 20, 2015				969,375
	1,368,524			Term Loan, 8.235%, maturing April 20, 2016				1,333,456
				Dockwise Transport, N.V.	NR	NR
	700,000			Second Lien Term Loan, 9.860%, maturing October 20, 2016				691,250
	750,000			Second Lien Term Loan, 9.860%, maturing September 30, 2016				740,625
				Gainey Corporation	B2	BB
	1,188,000			Term Loan, 8.097%, maturing April 20, 2012				1,045,440
				Greatwide Logistics Services, Inc.	B1	B
	3,233,750			Term Loan, 8.860%, maturing December 19, 2013				2,878,038
				Helm Holding Corporation	B2	B+
	973,805			Term Loan, 7.607%, maturing July 08, 2011				949,460
				Inmar, Inc.	B1	B
	723,188			Term Loan, 7.860%, maturing April 30, 2013				706,916
				Kenan Advantage Group, Inc.	B3	B+
	985,007			Term Loan, 8.360%, maturing December 16, 2011				955,457
		(2	)	Neoplan USA Corporation	NR	NR
	497,738	(3	)	Term Loan, 11.008%, maturing June 30, 2006				418,100
				Railamerica Transportation Corporation	NR	NR
	5,100,000			Term Loan, 7.810%, maturing August 14, 2008				4,978,875
				TNT Logistics	Ba2	BB-
	723,070			Term Loan, 7.860%, maturing November 04, 2013				707,931
	1,917,746			Term Loan, 8.565%, maturing November 04, 2013				1,898,568
				US Shipping Partners, L.P.	B1	BB-
	836,578			Term Loan, 8.845%, maturing March 31, 2012				819,846

See Accompanying Notes to Financial Statements
29

ING Senior Income Fund

PORTFOLIO OF INVESTMENTS as of August 31, 2007 (Unaudited) (continued)

			Bank Loan Ratings†		Market
Principal Amount		Borrower/Tranche Description	Moody's	S&P	Value
Cargo Transport: (continued)
$	1,980,000	Term Loan, 8.850%, maturing March 31, 2012			$	1,940,400
						26,734,330
Cellular: 1.5%
		American Cellular Corporation	B1	B-
	2,184,500	Term Loan, 7.360%, maturing March 15, 2014				2,167,570
		Centennial Communications Corporation	Ba2	BB-
	15,581,024	Term Loan, 7.373%, maturing February 09, 2011				15,214,870
		Cricket Communications, Inc.	Ba2	B+
	5,940,000	Term Loan, 7.360%, maturing June 16, 2013				5,792,985
		NTELOS, Inc.	Ba3	BB-
	5,344,410	Term Loan, 7.820%, maturing August 24, 2011				5,219,709
		Telepak, Inc. / Cellular South	Ba3	B+
	2,250,000	Term Loan, 7.113%, maturing May 29, 2014				2,190,938
						30,586,072
Chemicals, Plastics & Rubber: 7.4%
		AZ Chem US, Inc.	B1	BB-
EUR	759,590	Term Loan, 6.360%, maturing February 28, 2014				1,001,305
		AZ Chem US, Inc.	Caa1	CCC+
$	333,333	Second Lien Term Loan, 11.010%, maturing February 28, 2014				312,222
		Borsodchem Nyrt.	NR	NR
EUR	804,394	Term Loan, 6.495%, maturing April 15, 2015				1,054,888
EUR	804,394	Term Loan, 7.218%, maturing April 15, 2016				1,060,368
		Brenntag Holding GmbH & Co. KG	B1	B+
$	5,432,727	Term Loan, 7.387%, maturing January 17, 2014				5,245,977
	1,767,273	Term Loan, 7.387%, maturing January 17, 2014				1,706,523
EUR	500,000	Term Loan, 6.367%, maturing June 23, 2014				652,510
GBP	1,000,000	Term Loan, 8.854%, maturing September 21, 2014				1,925,710
		Celanese	Ba3	BB
$	5,900,000	Term Loan, 5.320%, maturing April 02, 2014				5,713,784
	13,067,250	Term Loan, 7.110%, maturing April 02, 2014				12,654,821
		Cristal Inorganic Chemicals, Inc.	Ba3	B+
	3,700,000	Term Loan, 7.610%, maturing May 15, 2014				3,542,750

See Accompanying Notes to Financial Statements
30

ING Senior Income Fund

PORTFOLIO OF INVESTMENTS as of August 31, 2007 (Unaudited) (continued)

			Bank Loan Ratings†		Market
Principal Amount		Borrower/Tranche Description	Moody's	S&P	Value
Chemicals, Plastics & Rubber: (continued)
		Cristal Inorganic Chemicals, Inc.	B3	CCC+
$	1,150,000	Second Lien Term Loan, 11.110%, maturing November 21, 2014			$	1,101,125
		Flint Group	NR	NR
	2,333,333	Term Loan, 7.620%, maturing November 09, 2014				2,230,667
	936,821	Term Loan, 7.824%, maturing December 31, 2012				895,601
	1,290,100	Term Loan, 8.324%, maturing December 31, 2013				1,234,868
EUR	666,667	Term Loan, 6.417%, maturing December 31, 2014				868,934
$	353,279	Term Loan, 7.824%, maturing December 31, 2014				337,735
		Hawkeye Renewables, LLC	B3	NR
	3,712,500	Term Loan, 9.370%, maturing June 30, 2012				3,308,766
		HC Starck	NR	NR
EUR	83,333	Term Loan, 6.675%, maturing March 15, 2015				109,426
$	323,225	Term Loan, 7.750%, maturing March 15, 2015				308,949
EUR	83,333	Term Loan, 7.050%, maturing March 15, 2016				109,993
$	323,225	Term Loan, 8.125%, maturing March 15, 2016				310,565
		Hexion Specialty Chemicals, Inc.	Ba3	B+
	1,764,000	Term Loan, 7.570%, maturing May 05, 2013				1,724,940
	9,642,688	Term Loan, 7.625%, maturing May 05, 2013				9,429,170
	2,093,796	Term Loan, 7.625%, maturing May 05, 2013				2,047,433
	992,500	Term Loan, 7.625%, maturing May 05, 2013				970,523
		Huntsman International, LLC	Ba1	BB+
	9,976,617	Term Loan, 7.250%, maturing August 16, 2012				9,808,262
		Ineos US Finance, LLC	Ba3	BB-
	3,474,070	Term Loan, 7.580%, maturing December 16, 2012				3,384,613
	4,455,000	Term Loan, 7.580%, maturing December 16, 2013				4,353,649
EUR	841,288	Term Loan, 6.524%, maturing December 23, 2013				1,120,177
EUR	841,288	Term Loan, 7.024%, maturing December 23, 2013				1,120,177
$	4,455,000	Term Loan, 8.080%, maturing December 23, 2014				4,353,649
EUR	148,712	Term Loan, 6.524%, maturing February 21, 2014				198,011

See Accompanying Notes to Financial Statements
31

ING Senior Income Fund

PORTFOLIO OF INVESTMENTS as of August 31, 2007 (Unaudited) (continued)

			Bank Loan Ratings†		Market
Principal Amount		Borrower/Tranche Description	Moody's	S&P	Value
Chemicals, Plastics & Rubber: (continued)
EUR	148,712	Term Loan, 7.024%, maturing February 21, 2015			$	198,011
		Innophos, Inc.	Ba1	BB-
$	2,238,734	Term Loan, 7.820%, maturing August 13, 2010				2,193,959
		Invista	Ba1	BBB-
	7,252,157	Term Loan, 6.860%, maturing April 29, 2011				7,052,722
	3,844,180	Term Loan, 6.860%, maturing April 29, 2011				3,738,465
		ISP Chemco, Inc.	Ba3	BB-
	5,000,000	Term Loan, 7.267%, maturing June 04, 2014				4,820,835
		JohnsonDiversey, Inc.	Ba2	BB-
	506,123	Term Loan, 7.360%, maturing December 16, 2010				495,157
	3,708,010	Term Loan, 7.360%, maturing December 16, 2011				3,627,669
		Kraton Polymers, LLC	Ba3	B+
	2,666,250	Term Loan, 7.375%, maturing May 12, 2013				2,544,048
		Lucite International US Finco, Ltd.	Ba3	BB-
EUR	675,845	Term Loan, 4.410%, maturing July 07, 2013				901,271
$	1,038,168	Term Loan, 7.610%, maturing July 07, 2013				1,016,107
	704,714	Term Loan, 7.610%, maturing July 07, 2013				689,739
		Lyondell Chemical Company	Ba2	BB+
	3,465,000	Term Loan, 6.820%, maturing August 16, 2013				3,434,681
		MacDermid, Inc.	B1	BB-
	1,795,500	Term Loan, 7.360%, maturing April 12, 2014				1,710,214
EUR	1,197,000	Term Loan, 6.414%, maturing April 09, 2014				1,606,449
		Nalco Company	Ba2	BB
$	12,896,817	Term Loan, 7.109%, maturing November 04, 2010				12,637,088
		Northeast Biofuels, LLC	B1	B+
	1,268,293	Term Loan, 8.610%, maturing June 30, 2013				1,223,903
		Polypore, Inc.	Ba3	BB-
	3,333,333	Term Loan, 7.920%, maturing July 03, 2014				3,175,000
		Rockwood Specialties Group, Inc.	Ba2	BB
	9,745,669	Term Loan, 7.108%, maturing December 13, 2013				9,477,663
		Vertellus Specialties, Inc.	B3	B+
	2,351,250	Term Loan, 8.610%, maturing March 31, 2013				2,280,713
						147,021,785

See Accompanying Notes to Financial Statements
32

ING Senior Income Fund

PORTFOLIO OF INVESTMENTS as of August 31, 2007 (Unaudited) (continued)

			Bank Loan Ratings†		Market
Principal Amount		Borrower/Tranche Description	Moody's	S&P	Value
Containers, Packaging & Glass: 3.7%
		Berry Plastics Corporation	Ba3	BB-
$	11,938,875	Term Loan, 7.359%, maturing April 03, 2015			$	11,469,844
		Graham Packaging Company	B1	B+
	21,246,750	Term Loan, 7.625%, maturing October 07, 2011				20,759,838
		Graphic Packaging International, Inc.	Ba2	BB-
	14,029,500	Term Loan, 7.443%, maturing May 16, 2014				13,865,818
		Klockner Pentaplast	NR	NR
EUR	2,250,000	Term Loan, 6.704%, maturing November 30, 2015				2,881,687
$	2,499,375	Term Loan, 7.830%, maturing November 30, 2015				2,480,630
		Mauser AG	NR	NR
EUR	875,000	Term Loan, 6.790%, maturing June 13, 2013				1,132,578
EUR	875,000	Term Loan, 7.040%, maturing June 13, 2014				1,138,539
$	1,179,779	Term Loan, 7.884%, maturing June 13, 2015				1,120,790
	1,179,779	Term Loan, 8.134%, maturing June 13, 2016				1,126,688
		Owens-Illinois	Ba2	BB
EUR	2,199,375	Term Loan, 5.642%, maturing April 01, 2008				2,859,303
		Pro Mach, Inc.	B1	B
$	2,468,750	Term Loan, 7.610%, maturing December 01, 2011				2,431,719
		Smurfit-Stone Container Corporation	Ba2	BB-
	5,554,831	Term Loan, 7.375%, maturing November 01, 2011				5,463,699
	3,201,438	Term Loan, 7.375%, maturing November 01, 2011				3,148,915
		Tegrant Holding Company	NR	NR
	498,750	Term Loan, 8.110%, maturing March 08, 2014				473,813
		Tegrant Holding Company	NR	NR
	500,000	Second Lien Term Loan, 10.860%, maturing March 08, 2015				475,000
		Xerium Technologies, Inc.	B2	B+
	3,589,779	Term Loan, 8.110%, maturing May 18, 2012				3,381,123
						74,209,984
Data and Internet Services: 4.9%
		Activant Solutions, Inc.	B1	B+
	2,327,244	Term Loan, 7.375%, maturing May 02, 2013				2,181,791
		Acxiom Corporation	Ba2	BB
	1,818,333	Term Loan, 7.339%, maturing September 15, 2012				1,777,421

See Accompanying Notes to Financial Statements
33

ING Senior Income Fund

PORTFOLIO OF INVESTMENTS as of August 31, 2007 (Unaudited) (continued)

			Bank Loan Ratings†		Market
Principal Amount		Borrower/Tranche Description	Moody's	S&P	Value
Data and Internet Services: (continued)
		Amadeus IT Group S.A.	NR	NR
EUR	768,581	Term Loan, 6.567%, maturing July 13, 2013			$	996,359
EUR	768,581	Term Loan, 6.817%, maturing July 31, 2013				1,000,770
		Audatex	B1	B+
$	3,241,875	Term Loan, 7.375%, maturing May 16, 2014				3,075,729
		Carlson Wagonlit Holdings, B.V.	Ba2	BB-
	2,750,000	Term Loan, 7.610%, maturing August 03, 2012				2,560,938
		IPayment, Inc.	B1	B
	2,199,432	Term Loan, 7.405%, maturing May 10, 2013				2,078,463
		Open Text Corporation	Ba3	BB
	2,060,483	Term Loan, 8.008%, maturing October 02, 2013				2,008,971
		Orbitz	B1	BB-
	13,000,000	Term Loan, 8.340%, maturing July 24, 2014				12,675,000
		Reynolds & Reynolds Company	Ba2	BB
	10,515,061	Term Loan, 7.360%, maturing October 26, 2012				10,114,174
		Reynolds & Reynolds Company	B3	B
	2,125,000	Second Lien Term Loan, 10.860%, maturing October 26, 2013				2,114,375
		Sabre, Inc.	B1	B+
	18,867,064	Term Loan, 7.608%, maturing September 30, 2014				17,536,936
		Sitel, LLC	B2	BB-
	4,380,572	Term Loan, 7.912%, maturing January 30, 2014				4,227,252
		Sungard Data Systems, Inc.	Ba3	BB
	29,819,242	Term Loan, 7.356%, maturing February 28, 2014				28,982,276
		Transaction Network Services, Inc.	B1	BB-
	2,674,312	Term Loan, 7.541%, maturing March 28, 2014				2,620,826
		Transfirst Holdings, Inc.	B2	B
	875,000	Term Loan, 8.110%, maturing June 15, 2014				855,313
		Travelport, Inc.	Ba3	BB-
	1,000,000	Term Loan, 7.753%, maturing August 22, 2013				963,750
	312,277	Term Loan, 7.610%, maturing August 23, 2013				300,410
	1,556,322	Term Loan, 7.753%, maturing August 23, 2013				1,497,182
		Verifone, Inc.	B1	BB
	1,068,750	Term Loan, 7.110%, maturing October 31, 2013				1,031,344
						98,599,280

See Accompanying Notes to Financial Statements
34

ING Senior Income Fund

PORTFOLIO OF INVESTMENTS as of August 31, 2007 (Unaudited) (continued)

			Bank Loan Ratings†		Market
Principal Amount		Borrower/Tranche Description	Moody's	S&P	Value
Diversified / Conglomerate Manufacturing: 3.2%
		Aearo Technologies, Inc.	B1	B
$	2,400,000	Term Loan, 7.610%, maturing June 01, 2014			$	2,292,000
		Aearo Technologies, Inc.	Caa1	B-
	1,800,000	Term Loan, 10.860%, maturing September 24, 2013				1,714,500
		Axia, Inc.	B2	B
	2,462,500	Term Loan, 10.110%, maturing December 21, 2012				2,154,688
		Baldor Electric Company	Ba3	BB+
	3,869,551	Term Loan, 7.125%, maturing March 31, 2014				3,797,965
		BOC Edwards	B1	BB-
	2,250,000	Term Loan, 7.541%, maturing May 31, 2014				2,098,125
		Brand Services, Inc.	B1	B
	2,096,000	Term Loan, 7.642%, maturing February 07, 2014				2,001,680
		Brand Services, Inc.	Caa1	CCC+
	1,600,000	Second Lien Term Loan, 11.450%, maturing February 07, 2015				1,561,333
		Chart Industries, Inc.	Ba2	BB
	1,333,334	Term Loan, 7.387%, maturing October 17, 2012				1,310,000
		Cinram International, Inc.	B1	BB-
	2,775,770	Term Loan, 7.360%, maturing May 05, 2011				2,609,224
		Dresser, Inc.	B2	B+
	5,000,000	Term Loan, 8.011%, maturing May 04, 2014				4,831,250
		EPD, Inc.	B1	B+
	3,937,500	Term Loan, 7.858%, maturing July 31, 2014				3,799,688
		Ferretti S.P.A	NR	NR
EUR	900,000	Term Loan, 4.084%, maturing March 31, 2015				1,177,638
EUR	900,000	Term Loan, 4.084%, maturing March 31, 2016				1,184,644
		Generac Power Systems, Inc.	B1	B
$	4,455,000	Term Loan, 7.860%, maturing November 09, 2013				3,990,406
		Gentek Holding Corporation	Ba3	BB-
	2,171,322	Term Loan, 7.383%, maturing February 28, 2011				2,122,467
	389,242	Term Loan, 7.610%, maturing February 28, 2011				380,484
		Goodman Global Holdings, Inc.	Ba2	BB
	2,202,857	Term Loan, 7.188%, maturing December 23, 2011				2,147,786
		Itron, Inc.	Ba3	B+
	997,500	Term Loan, 7.360%, maturing April 18, 2014				980,044

See Accompanying Notes to Financial Statements
35

ING Senior Income Fund

PORTFOLIO OF INVESTMENTS as of August 31, 2007 (Unaudited) (continued)

			Bank Loan Ratings†		Market
Principal Amount		Borrower/Tranche Description	Moody's	S&P	Value
Diversified / Conglomerate Manufacturing: (continued)
		Mueller Group, Inc.	Ba3	BB+
$	4,484,269	Term Loan, 7.187%, maturing May 24, 2014			$	4,374,965
		Norcross Safety Products, LLC	Ba1	BB
	3,732,897	Term Loan, 7.330%, maturing June 30, 2012				3,658,239
		Rexnord Corporation / RBS Global, Inc.	Ba2	BB-
	987,500	Term Loan, 7.642%, maturing July 19, 2013				959,109
	2,219,262	Term Loan, 7.860%, maturing July 19, 2013				2,155,459
		Sensata Technologies	Ba3	BB
EUR	1,980,009	Term Loan, 6.239%, maturing April 27, 2013				2,589,852
$	5,222,126	Term Loan, 7.110%, maturing April 27, 2013				5,000,185
		Sensus Metering Systems, Inc.	Ba3	B+
	219,105	Term Loan, 7.374%, maturing December 17, 2010				214,723
	2,329,894	Term Loan, 7.405%, maturing December 17, 2010				2,283,296
		Springs Window Fashions, LLC	B1	B+
	500,000	Term Loan, 8.125%, maturing December 30, 2012				478,750
	941,746	Term Loan, 8.125%, maturing December 31, 2012				901,722
		Textron Fastening Systems	B2	B+
	496,250	Term Loan, 8.860%, maturing August 11, 2013				483,844
						63,254,066
Diversified / Conglomerate Service: 2.3%
		Affinion Group	Ba2	BB
	4,087,961	Term Loan, 8.000%, maturing October 17, 2012				3,968,727
		AlixPartners, LLP	B1	BB-
	2,661,625	Term Loan, 7.610%, maturing October 12, 2013				2,621,701
		Brickman Group	Ba3	BB-
	2,493,750	Term Loan, 7.340%, maturing January 23, 2014				2,375,297
		Brock Holdings, Inc.	B1	B
	1,790,513	Term Loan, 7.360%, maturing February 26, 2014				1,723,368
		CCC Information Services Group, Inc.	B1	B
	864,074	Term Loan, 7.860%, maturing February 10, 2013				838,152
		Coach America Holdings, Inc.	B1	B+
	262,712	Term Loan, 5.260%, maturing April 20, 2014				252,860
	1,022,015	Term Loan, 6.554%, maturing April 20, 2014				983,689

See Accompanying Notes to Financial Statements
36

ING Senior Income Fund

PORTFOLIO OF INVESTMENTS as of August 31, 2007 (Unaudited) (continued)

			Bank Loan Ratings†		Market
Principal Amount		Borrower/Tranche Description	Moody's	S&P	Value
Diversified / Conglomerate Service: (continued)
		Fleetcor Technologies Operating Company, LLC	Ba3	B+
$	665,000	Term Loan, 7.586%, maturing April 30, 2013			$	641,725
		Intergraph Corporation	B1	B+
	2,873,972	Term Loan, 7.453%, maturing May 29, 2014				2,769,790
		ISS Global A/S	NR	NR
EUR	122,807	Term Loan, 6.157%, maturing December 31, 2013				160,273
EUR	877,193	Term Loan, 6.157%, maturing December 31, 2013				1,144,807
		ISTA International GmbH	NR	NR
EUR	2,502,783	Term Loan, 6.344%, maturing June 30, 2015				3,150,026
EUR	497,217	Term Loan, 6.344%, maturing June 30, 2015				625,802
		Mitchell International, Inc.	Ba3	B+
$	798,000	Term Loan, 7.375%, maturing March 28, 2014				773,063
		Mitchell International, Inc.	Caa1	CCC+
	250,000	Second Lien Term Loan, 10.625%, maturing March 28, 2015				240,000
		Ohmstede	B1	B
	2,195,652	Term Loan, 7.875%, maturing August 09, 2013				2,179,185
		Valley National Gases, Inc.	Ba3	BB-
	1,630,000	Term Loan, 7.640%, maturing February 28, 2014				1,515,900
		Valley National Gases, Inc.	B3	CCC+
	500,000	Second Lien Term Loan, 11.360%, maturing August 28, 2014				492,500
		Valleycrest Companies, LLC	B1	B+
	1,991,883	Term Loan, 7.360%, maturing October 04, 2013				1,942,086
		Vertafore, Inc.	B1	B+
	4,089,750	Term Loan, 8.005%, maturing January 31, 2012				3,946,609
		West Corporation	B1	BB-
	14,454,485	Term Loan, 7.825%, maturing October 24, 2013				14,038,918
						46,384,478
Diversified Natural Resources, Precious Metals & Minerals: 2.3%
		Georgia Pacific Corporation	Ba2	BB+
	47,871,000	Term Loan, 7.125%, maturing December 20, 2012				45,965,351
						45,965,351
Ecological: 0.6%
		Allied Waste North America, Inc.	Ba3	BBB-
	3,686,346	Term Loan, 6.783%, maturing January 15, 2012				3,593,111

See Accompanying Notes to Financial Statements
37

ING Senior Income Fund

PORTFOLIO OF INVESTMENTS as of August 31, 2007 (Unaudited) (continued)

			Bank Loan Ratings†		Market
Principal Amount		Borrower/Tranche Description	Moody's	S&P	Value
Ecological: (continued)
$	2,291,271	Term Loan, 6.820%, maturing January 15, 2012			$	2,233,320
		IESI Corporation	B1	BB+
	1,800,000	Term Loan, 7.258%, maturing January 21, 2012				1,770,750
		Synagro Technologies, Inc.	Ba3	BB-
	1,100,000	Term Loan, 7.500%, maturing April 02, 2014				1,069,750
		Synagro Technologies, Inc.	Caa1	B-
	590,000	Second Lien Term Loan, 10.250%, maturing October 02, 2014				569,350
		Wastequip, Inc.	Ba3	BB-
	2,561,354	Term Loan, 7.161%, maturing February 05, 2013				2,458,900
	1,165,298	Term Loan, 7.610%, maturing February 05, 2013				1,118,686
						12,813,867
Electronics: 0.9%
		Audio Visual Services Corporation	Ba3	B+
	1,500,000	Term Loan, 7.610%, maturing February 28, 2014				1,425,000
		Decision One	NR	NR
	434,324	New Term Loan, 12.000%, maturing April 15, 2010				390,892
		Euronet Worldwide, Inc.	Ba2	BB
	873,684	Term Loan, 7.380%, maturing April 14, 2014				849,658
		Freescale Semiconductor, Inc.	Baa3	BB+
	2,638,889	Term Loan, 7.110%, maturing December 01, 2013				2,476,658
		Infor Global Solutions	B1	B+
EUR	995,000	Term Loan, 7.164%, maturing July 28, 2012				1,298,071
$	500,000	Term Loan, 8.110%, maturing July 28, 2012				476,250
		Infor Global Solutions	Caa2	CCC+
EUR	500,000	Second Lien Term Loan, 10.414%, maturing March 02, 2014				652,297
		Kronos, Inc.	Ba3	B+
$	3,000,000	Term Loan, 7.610%, maturing June 11, 2014				2,782,500
		NXP B.V.	Ba2	BB
	1,750,000	Floating Rate Note, 8.110%, maturing October 15, 2013				1,585,938
EUR	1,500,000	Floating Rate Note, 6.959%, maturing October 15, 2013				1,808,719
		ON Semiconductor	Ba1	BB
$	2,686,396	Term Loan, 7.110%, maturing September 03, 2013				2,578,941

See Accompanying Notes to Financial Statements
38

ING Senior Income Fund

PORTFOLIO OF INVESTMENTS as of August 31, 2007 (Unaudited) (continued)

			Bank Loan Ratings†		Market
Principal Amount		Borrower/Tranche Description	Moody's	S&P	Value
Electronics: (continued)
		SI International, Inc.	Ba3	B+
$	2,282,717	Term Loan, 8.018%, maturing February 09, 2011			$	2,248,476
						18,573,400
Finance: 1.1%
		LPL Holdings, Inc.	B1	B
	7,487,500	Term Loan, 7.360%, maturing June 28, 2013				7,188,000
		Nasdaq Stock Market, Inc.	Ba3	BBB-
	3,996,455	Term Loan, 7.315%, maturing April 18, 2012				3,955,659
	2,316,652	Term Loan, 7.315%, maturing April 18, 2012				2,293,004
		Rent-A-Center, Inc.	Ba2	BB+
	2,496,642	Term Loan, 7.155%, maturing June 30, 2012				2,413,422
		Riskmetrics	Ba3	BB-
	1,795,500	Term Loan, 7.610%, maturing January 11, 2014				1,755,101
		TD Ameritrade Holding Corporation	Ba1	BB
	3,832,139	Term Loan, 7.070%, maturing December 31, 2012				3,742,563
						21,347,749
Foreign Cable, Foreign TV, Radio and Equipment: 3.6%
		Casema Bidco	NR	NR
EUR	284,889	Term Loan, 6.605%, maturing November 14, 2014				378,019
EUR	583,333	Term Loan, 6.605%, maturing November 14, 2014				774,024
EUR	548,444	Term Loan, 6.605%, maturing November 14, 2014				727,729
EUR	583,333	Term Loan, 7.105%, maturing November 14, 2015				777,998
EUR	833,333	Term Loan, 7.105%, maturing November 14, 2015				1,111,425
		Com Hem	NR	NR
SEK	8,666,667	Term Loan, 8.488%, maturing April 30, 2015				1,246,998
SEK	8,000,000	Term Loan, 8.738%, maturing April 30, 2015				1,156,874
		Levana Holding 4 GmbH	NR	NR
EUR	1,122,227	Term Loan, 6.119%, maturing June 30, 2015				1,387,122
EUR	1,122,227	Term Loan, 6.335%, maturing June 30, 2016				1,398,589
		Numericable	NR	NR
EUR	2,480,685	Term Loan, 6.780%, maturing July 30, 2014				3,226,298
EUR	1,561,975	Term Loan, 6.780%, maturing July 30, 2014				2,031,454

See Accompanying Notes to Financial Statements
39

ING Senior Income Fund

PORTFOLIO OF INVESTMENTS as of August 31, 2007 (Unaudited) (continued)

			Bank Loan Ratings†		Market
Principal Amount		Borrower/Tranche Description	Moody's	S&P	Value
Foreign Cable, Foreign TV, Radio and Equipment: (continued)
EUR	957,340	Term Loan, 6.780%, maturing July 30, 2014			$	1,245,085
EUR	1,305,125	Term Loan, 7.030%, maturing July 30, 2014				1,709,993
EUR	694,875	Term Loan, 7.030%, maturing July 30, 2014				910,435
		ProSiebenSat.1 Media AG	NR	NR
EUR	146,593	Term Loan, 6.551%, maturing May 09, 2015				182,693
EUR	3,258,145	Term Loan, 6.551%, maturing May 09, 2015				4,135,415
		TDF SA	NR	NR
EUR	1,500,000	Term Loan, 6.373%, maturing January 31, 2015				1,947,031
EUR	1,500,000	Term Loan, 6.625%, maturing January 31, 2016				1,955,548
		UPC Financing Partnership	Ba3	B
EUR	4,535,928	Term Loan, 6.302%, maturing December 31, 2014				5,860,889
EUR	6,215,000	Term Loan, 6.302%, maturing December 31, 2014				7,999,177
EUR	3,722,638	Term Loan, 6.302%, maturing December 31, 2014				4,805,809
$	7,000,000	Term Loan, 7.130%, maturing December 31, 2014				6,568,331
		Virgin Media Investment Holdings, Ltd.	Ba2	BB
GBP	1,325,843	Term Loan, 8.286%, maturing December 31, 2012				2,578,557
GBP	674,157	Term Loan, 8.286%, maturing December 31, 2012				1,311,131
GBP	4,034,412	Term Loan, 8.283%, maturing September 03, 2012				7,846,302
GBP	4,715,588	Term Loan, 8.283%, maturing September 03, 2012				9,171,083
						72,444,009
Gaming: 2.7%
		Cannery Casino Resorts, LLC	B2	BB
$	118,110	Term Loan, 2.720%, maturing May 18, 2013				111,909
	1,653,543	Term Loan, 7.760%, maturing May 18, 2013				1,566,732
		CCM Merger, Inc.	Ba3	BB-
	3,585,610	Term Loan, 7.388%, maturing July 13, 2012				3,487,006
		Fontainebleau Las Vegas, LLC	B1	B+
	2,666,667	Term Loan, 8.610%, maturing June 06, 2014				2,514,445
		Golden Nugget, Inc.	B1	BB-
	1,113,636	Term Loan, 7.552%, maturing June 30, 2014				1,060,739

See Accompanying Notes to Financial Statements
40

ING Senior Income Fund

PORTFOLIO OF INVESTMENTS as of August 31, 2007 (Unaudited) (continued)

					Bank Loan Ratings†		Market
Principal Amount				Borrower/Tranche Description	Moody's	S&P	Value
Gaming: (continued)
				Green Valley Ranch Gaming, LLC	B1	BB-
$	961,136			Term Loan, 7.542%, maturing February 16, 2014			$	917,885
				Green Valley Ranch Gaming, LLC	Caa1	CCC+
	500,000			Second Lien Term Loan, 8.791%, maturing August 16, 2014				475,000
				Greenwood Racing, Inc.	B2	BB-
	1,492,500			Term Loan, 7.800%, maturing November 28, 2011				1,436,531
				Isle Of Capri Casinos, Inc.	Ba3	BB+
	1,176,471			Term Loan, 7.250%, maturing November 25, 2013				1,129,412
	2,941,176			Term Loan, 7.255%, maturing November 25, 2013				2,823,529
				Las Vegas Sands, LLC	Ba3	BB
	6,400,000			Term Loan, 7.110%, maturing May 23, 2014				6,104,800
				Mississippi Band Of Choctaw Indians	Ba2	BB+
	1,923,913			Term Loan, 7.074%, maturing November 14, 2011				1,890,245
				New World Gaming Partners, Ltd.	Ba3	BB-
	3,750,000	(3	)	Term Loan, maturing June 06, 2014				3,618,750
				Penn National Gaming, Inc.	Ba2	BBB-
	7,126,744			Term Loan, 7.110%, maturing October 03, 2012				7,043,596
				Riviera Holdings Corporation	B2	BB-
	500,000			Term Loan, 7.360%, maturing June 08, 2014				487,500
				Seminole Tribe Of Florida	Ba1	BBB-
	427,530			Term Loan, 5.410%, maturing March 05, 2014				417,376
	1,923,887			Term Loan, 6.875%, maturing March 05, 2014				1,878,194
	1,906,073			Term Loan, 6.875%, maturing March 05, 2014				1,860,804
				Tropicana Entertainment - Landco	B2	BB-
	3,000,000			Term Loan, 7.610%, maturing July 03, 2008				2,947,500
				Trump Entertainment Resorts Holdings, L.P.	Ba3	BB-
	1,715,000			Term Loan, 7.847%, maturing May 20, 2012				1,687,131
	1,715,000			Term Loan, 7.900%, maturing May 20, 2012				1,687,131
				VML US Finance, LLC	B1	BB-
	5,800,000			Term Loan, 7.610%, maturing May 25, 2013				5,635,321
	2,400,000			Term Loan, 7.741%, maturing May 26, 2012				2,331,857
								53,113,393

See Accompanying Notes to Financial Statements
41

ING Senior Income Fund

PORTFOLIO OF INVESTMENTS as of August 31, 2007 (Unaudited) (continued)

					Bank Loan Ratings†		Market
Principal Amount				Borrower/Tranche Description	Moody's	S&P	Value
Grocery: 0.2%
				Roundys Supermarkets, Inc.	Ba3	B+
$	4,412,825			Term Loan, 8.110%, maturing November 03, 2011			$	4,363,181
								4,363,181
Healthcare, Education and Childcare: 12.6%
				Accellent, Inc.	B1	BB-
	2,955,000			Term Loan, 8.010%, maturing November 22, 2012				2,814,638
				Advanced Medical Optics, Inc.	Ba1	BB-
	997,500			Term Loan, 7.115%, maturing April 02, 2014				940,767
				AGA Medical Corporation	B1	BB-
	3,722,471			Term Loan, 7.360%, maturing April 28, 2013				3,629,409
				Amn Healthcare, Inc.	Ba2	BB-
	711,742			Term Loan, 7.110%, maturing November 02, 2011				691,279
				Biomet, Inc.	B1	BB-
	20,500,000	(3	)	Term Loan, maturing January 15, 2015				19,731,250
				Capella Healthcare, Inc.	B1	B+
	5,715,778			Term Loan, 7.860%, maturing November 30, 2012				5,472,857
				Catalent Pharma Solutions	Ba3	B+
	5,755,555			Term Loan, 7.610%, maturing April 10, 2014				5,304,705
				CHG Medical Staffing, Inc.	Ba3	B+
	1,592,000			Term Loan, 7.855%, maturing December 20, 2012				1,528,320
	400,000			Term Loan, 7.860%, maturing June 20, 2012				384,000
				CHS/Community Health Systems, Inc.	Ba3	BB
	45,968,291			Term Loan, 7.756%, maturing July 25, 2014				44,330,670
				Concentra Operating Corporation	Ba2	B+
	2,800,000			Term Loan, 7.610%, maturing June 25, 2014				2,618,000
				CRC Health Corporation	Ba3	BB-
	1,825,842			Term Loan, 7.610%, maturing February 06, 2013				1,782,478
	1,479,470			Term Loan, 7.610%, maturing February 06, 2013				1,444,332
				Davita, Inc.	Ba1	BB+
	9,999,007			Term Loan, 6.877%, maturing October 05, 2012				9,729,034
				Education Management Corporation	B2	B+
	8,440,586			Term Loan, 7.125%, maturing June 01, 2013				8,054,311
				Emdeon Business Services, LLC	B1	BB-
	2,925,397			Term Loan, 7.610%, maturing November 16, 2013				2,808,381

See Accompanying Notes to Financial Statements
42

ING Senior Income Fund

PORTFOLIO OF INVESTMENTS as of August 31, 2007 (Unaudited) (continued)

			Bank Loan Ratings†		Market
Principal Amount		Borrower/Tranche Description	Moody's	S&P	Value
Healthcare, Education and Childcare: (continued)
		EMSC, L.P.	Ba2	B+
$	3,218,852	Term Loan, 7.355%, maturing February 10, 2012			$	3,142,404
		Gambro	NR	NR
SEK	2,479,288	Term Loan, 6.110%, maturing June 05, 2014				347,386
SEK	2,520,712	Term Loan, 6.110%, maturing June 05, 2014				353,190
$	750,000	Term Loan, 7.870%, maturing June 05, 2014				724,875
SEK	2,479,288	Term Loan, 6.610%, maturing June 05, 2015				348,823
SEK	2,520,712	Term Loan, 6.610%, maturing June 05, 2015				354,652
$	750,000	Term Loan, 8.370%, maturing June 05, 2015				727,875
		Gentiva Health Services, Inc.	Ba3	BB-
	3,459,459	Term Loan, 7.346%, maturing March 31, 2013				3,381,622
		Golden Gate National Senior Care Holdings, LLC	Ba3	BB-
	1,643,786	Term Loan, 8.258%, maturing March 14, 2011				1,594,472
		Harlan Sprague Dawley, Inc.	B2	BB-
	3,616,667	Term Loan, 7.860%, maturing July 11, 2014				3,472,000
		Harrington Holdings, Inc.	B1	BB-
	2,660,000	Term Loan, 7.360%, maturing December 31, 2013				2,553,600
		HCA, Inc.	Ba3	BB
	33,890,000	Term Loan, 7.610%, maturing November 17, 2013				32,743,569
		Health Management Associates, Inc.	Ba2	BB-
	8,977,500	Term Loan, 7.110%, maturing February 28, 2014				8,471,115
		Healthsouth Corporation	B2	BB-
	2,448,144	Term Loan, 7.860%, maturing March 10, 2013				2,364,295
		Iasis Healthcare, LLC	Ba2	B+
	926,471	Term Loan, 5.573%, maturing March 15, 2014				871,462
	3,654,989	Term Loan, 7.360%, maturing March 15, 2014				3,437,974
	333,863	Term Loan, 7.619%, maturing March 15, 2014				314,040
		IM US Holdings, LLC	B1	BB
	5,000,000	Term Loan, 7.340%, maturing June 26, 2014				4,806,250
		IM US Holdings, LLC	Caa1	B-
	750,000	Second Lien Term Loan, 9.590%, maturing June 26, 2015				742,500

See Accompanying Notes to Financial Statements
43

ING Senior Income Fund

PORTFOLIO OF INVESTMENTS as of August 31, 2007 (Unaudited) (continued)

			Bank Loan Ratings†		Market
Principal Amount		Borrower/Tranche Description	Moody's	S&P	Value
Healthcare, Education and Childcare: (continued)
		inVentiv Health, Inc.	Ba3	BB-
$	1,414,286	Term Loan, 7.110%, maturing July 15, 2014			$	1,357,714
		Lifepoint Hospitals, Inc.	Ba2	BB
	2,567,536	Term Loan, 6.985%, maturing April 15, 2012				2,488,638
		Multiplan, Inc.	B1	B+
	2,072,471	Term Loan, 8.065%, maturing April 12, 2013				2,009,001
		National Mentor, Inc.	B1	B+
	76,667	Term Loan, 7.320%, maturing June 29, 2013				72,067
	1,244,100	Term Loan, 7.432%, maturing June 29, 2013				1,169,454
		Nycomed	NR	NR
EUR	543,619	Term Loan, 6.664%, maturing December 10, 2014				700,962
EUR	1,418,795	Term Loan, 6.664%, maturing December 10, 2014				1,829,445
EUR	87,538	Term Loan, 6.664%, maturing December 10, 2014				112,874
EUR	55,762	Term Loan, 6.664%, maturing December 10, 2014				71,902
EUR	394,286	Term Loan, 6.664%, maturing December 10, 2014				508,406
EUR	543,619	Term Loan, 7.164%, maturing December 10, 2014				700,962
EUR	394,286	Term Loan, 7.164%, maturing December 10, 2014				508,406
EUR	55,762	Term Loan, 7.164%, maturing December 10, 2014				71,902
EUR	87,538	Term Loan, 7.164%, maturing December 10, 2014				112,874
EUR	1,418,795	Term Loan, 7.164%, maturing December 10, 2014				1,829,445
		Orthofix International	Ba3	BB+
$	1,875,909	Term Loan, 7.110%, maturing September 22, 2013				1,814,942
		Quintiles Transnational Corporation	B1	BB
	5,283,125	Term Loan, 7.360%, maturing March 31, 2013				5,045,384
		ReAble Therapeutics Finance, LLC	Ba3	B+
	1,736,875	Term Loan, 7.837%, maturing November 03, 2013				1,702,138
		Renal Advantage, Inc.	NR	B+
	4,662,069	Term Loan, 7.860%, maturing October 06, 2012				4,481,414
		Rural/Metro Operating Company, LLC	Ba2	BB-
	519,127	Revolver, 5.190%, maturing March 04, 2011				497,064

See Accompanying Notes to Financial Statements
44

ING Senior Income Fund

PORTFOLIO OF INVESTMENTS as of August 31, 2007 (Unaudited) (continued)

			Bank Loan Ratings†		Market
Principal Amount		Borrower/Tranche Description	Moody's	S&P	Value
Healthcare, Education and Childcare: (continued)
$	1,094,117	Term Loan, 7.747%, maturing March 04, 2011			$	1,047,617
		Select Medical Corporation	Ba2	BB-
	2,443,750	Term Loan, 7.363%, maturing February 24, 2012				2,325,636
		Sterigenics International, Inc.	B2	BB-
	2,481,250	Term Loan, 7.610%, maturing November 21, 2013				2,394,406
		Stiefel Laboratories, Inc.	Ba3	BB-
	2,114,175	Term Loan, 7.610%, maturing December 28, 2013				2,053,393
	1,617,075	Term Loan, 7.610%, maturing December 28, 2013				1,570,584
		Sun Healthcare Group, Inc.	Ba2	B+
	152,874	Term Loan, 4.702%, maturing April 12, 2014				148,288
	305,747	Term Loan, 7.360%, maturing April 12, 2014				296,575
	1,198,745	Term Loan, 7.367%, maturing April 12, 2014				1,162,783
		Surgical Care Affiliates, LLC	Ba3	B
	3,000,000	Term Loan, 7.815%, maturing December 29, 2014				2,730,000
		Team Health, Inc.	B1	BB-
	2,737,038	Term Loan, 7.348%, maturing November 23, 2012				2,586,501
		United Surgical Partners International, Inc.	Ba3	B
	256,048	Term Loan, 5.156%, maturing April 19, 2014				240,365
	2,091,532	Term Loan, 7.381%, maturing April 19, 2014				1,963,426
		Vanguard Health Holdings Company II, LLC	Ba3	B+
	10,999,656	Term Loan, 7.610%, maturing September 23, 2011				10,573,419
		Viant Holdings, Inc.	Ba3	B+
	1,000,000	Term Loan, 7.610%, maturing June 25, 2014				940,000
		VWR International, Inc.	B1	B+
EUR	2,500,000	Term Loan, 6.664%, maturing June 29, 2014				3,270,000
$	4,500,000	Term Loan, 7.860%, maturing June 29, 2014				4,190,625
		Warner Chilcott Holdings Company III, Ltd.	B1	BB-
	4,801,635	Term Loan, 7.360%, maturing January 18, 2012				4,645,582
	1,322,807	Term Loan, 7.360%, maturing January 18, 2012				1,279,816
						252,520,545

See Accompanying Notes to Financial Statements
45

ING Senior Income Fund

PORTFOLIO OF INVESTMENTS as of August 31, 2007 (Unaudited) (continued)

			Bank Loan Ratings†		Market
Principal Amount		Borrower/Tranche Description	Moody's	S&P	Value
Home & Office Furnishings: 1.1%
		Buhrmann US, Inc.	Ba2	BB+
$	4,295,754	Term Loan, 7.344%, maturing December 23, 2010			$	4,193,729
		Global Garden Products Italy S.P.A.	NR	NR
EUR	1,250,000	Term Loan, 6.539%, maturing May 14, 2015				1,661,611
EUR	1,250,000	Term Loan, 7.039%, maturing May 14, 2016				1,670,127
		Hilding Anders	NR	NR
SEK	20,428,571	Term Loan, 5.960%, maturing December 15, 2014				2,902,333
EUR	371,429	Term Loan, 6.414%, maturing December 15, 2014				493,040
		National Bedding Company	B1	BB-
$	4,170,231	Term Loan, 7.431%, maturing August 31, 2011				3,947,821
		Simmons Company	Ba2	B+
	7,217,057	Term Loan, 7.405%, maturing December 19, 2011				7,036,630
						21,905,291
Insurance: 1.1%
		AmWINS Group, Inc.	B2	B-
	2,500,000	Second Lien Term Loan, 7.951%, maturing June 04, 2014				2,300,000
		Applied Systems, Inc.	B1	B-
	1,985,000	Term Loan, 7.860%, maturing September 26, 2013				1,945,300
		Conseco, Inc.	NR	NR
	7,451,250	Term Loan, 7.508%, maturing October 10, 2013				7,008,832
		Crawford & Company	B1	BB-
	2,916,101	Term Loan, 7.610%, maturing October 30, 2013				2,865,069
		Hub International, Ltd.	B2	B
	143,791	Term Loan, 3.460%, maturing June 13, 2014				138,489
	2,042,484	Term Loan, 7.860%, maturing June 13, 2014				1,967,167
		Swett & Crawford	B2	B
	3,192,000	Term Loan, 7.610%, maturing April 03, 2014				2,984,520
		USI Holdings Corporation	B2	B-
	2,250,000	Term Loan, 8.110%, maturing May 05, 2014				2,126,250
						21,335,627
Leisure, Amusement, Entertainment: 5.0%
		24 Hour Fitness Worldwide, Inc.	NR	B+
	4,196,875	Term Loan, 7.870%, maturing June 08, 2012				4,144,414
		Alpha D2, Ltd.	NR	NR
	2,285,714	Term Loan, 8.125%, maturing December 31, 2013				2,185,714

See Accompanying Notes to Financial Statements
46

ING Senior Income Fund

PORTFOLIO OF INVESTMENTS as of August 31, 2007 (Unaudited) (continued)

			Bank Loan Ratings†		Market
Principal Amount		Borrower/Tranche Description	Moody's	S&P	Value
Leisure, Amusement, Entertainment: (continued)
$	1,714,286	Term Loan, 8.125%, maturing December 31, 2013			$	1,639,286
		AMF Bowling Worldwide, Inc.	B1	B+
	3,125,000	Term Loan, 7.850%, maturing June 10, 2013				3,000,000
		Cedar Fair, L.P.	Ba3	BB
	7,917,519	Term Loan, 7.565%, maturing August 30, 2012				7,711,885
		Cinemark USA, Inc.	Ba3	B
	3,688,682	Term Loan, 7.233%, maturing October 05, 2013				3,541,135
		HIT Entertainment, Inc.	Ba3	B+
	4,558,253	Term Loan, 7.340%, maturing March 20, 2012				4,284,758
		Kerasotes Showplace Theater, LLC	B1	B-
	150,000	Revolver, 1.541%, maturing October 31, 2010				141,750
	995,000	Term Loan, 7.875%, maturing October 31, 2011				987,538
		London Arena & Waterfront Finance, LLC	Ba3	B
	1,185,000	Term Loan, 7.860%, maturing March 08, 2012				1,161,300
		Metro-Goldwyn-Mayer, Inc.	Ba3	B+
	17,118,051	Term Loan, 8.610%, maturing April 08, 2012				16,238,800
	33,081,250	Term Loan, 8.610%, maturing April 08, 2012				31,382,065
		NEP II, Inc.	B1	B
	4,486,249	Term Loan, 7.610%, maturing February 16, 2014				4,306,799
		Universal City Development Partners	Ba1	BB
	4,627,273	Term Loan, 7.419%, maturing June 09, 2011				4,511,591
		Warner Music Group	Ba2	BB-
	15,022,357	Term Loan, 7.484%, maturing February 28, 2011				14,738,345
						99,975,380
Lodging: 1.2%
		Hotel Del Coronado	NR	NR
	24,600,000	Term Loan, 7.362%, maturing January 09, 2008				24,600,000
						24,600,000
Machinery: 1.1%
		Alliance Laundry Systems, LLC	Ba3	BB-
	4,996,808	Term Loan, 7.609%, maturing January 27, 2012				4,921,856
		Enersys Capital, Inc.	Ba2	BB
	3,226,890	Term Loan, 7.121%, maturing March 17, 2011				3,150,251

See Accompanying Notes to Financial Statements
47

ING Senior Income Fund

PORTFOLIO OF INVESTMENTS as of August 31, 2007 (Unaudited) (continued)

			Bank Loan Ratings†		Market
Principal Amount		Borrower/Tranche Description	Moody's	S&P	Value
Machinery: (continued)
		Kion Group	NR	NR
EUR	1,250,000	Term Loan, 6.308%, maturing February 28, 2015			$	1,640,109
EUR	1,250,000	Term Loan, 6.558%, maturing February 28, 2016				1,649,476
		LN Acquisition Corporation	B1	BB-
$	363,636	Term Loan, 8.050%, maturing July 11, 2014				358,182
	136,364	Term Loan, 8.583%, maturing July 11, 2014				134,318
		Maxim Crane Works, L.P.	B1	BB-
	3,500,000	Term Loan, 7.360%, maturing July 31, 2014				3,255,000
		NACCO Materials Handling Group, Inc.	NR	NR
	990,000	Term Loan, 7.468%, maturing March 21, 2013				950,400
		United Rentals, Inc.	Ba1	BB-
	4,789,187	Term Loan, 7.320%, maturing February 14, 2011				4,742,794
	657,178	Term Loan, 7.570%, maturing February 14, 2011				650,812
						21,453,198
Mining, Steel, Iron & Nonprecious Metals: 0.7%
		Alpha Natural Resources	B1	BB
	656,667	Term Loan, 7.110%, maturing October 26, 2012				647,638
		Continental Alloys & Services, Inc.	B2	B
	500,000	Term Loan, 7.860%, maturing June 15, 2012				492,500
		Noranda Aluminum Acquisition Corporation	Ba2	BB-
	892,500	Term Loan, 7.510%, maturing May 18, 2014				869,630
		Novelis	Ba2	BB		`
	3,437,500	Term Loan, 7.360%, maturing July 06, 2014				3,342,969
	1,562,500	Term Loan, 7.360%, maturing July 06, 2014				1,519,531
		Oglebay Norton Company	B1	BB-
	1,526,614	Term Loan, 7.610%, maturing July 31, 2011				1,496,082
		Oxbow Carbon and Minerals Holdings, LLC	B1	BB-
	3,668,658	Term Loan, 7.366%, maturing May 08, 2014				3,399,624
	322,148	Term Loan, 7.508%, maturing May 08, 2014				298,524
		Tube City IMS Corporation	Ba3	BB
	162,162	Term Loan, 7.610%, maturing January 25, 2013				155,676
	1,334,493	Term Loan, 7.610%, maturing January 25, 2013				1,281,114
						13,503,288

See Accompanying Notes to Financial Statements
48

ING Senior Income Fund

PORTFOLIO OF INVESTMENTS as of August 31, 2007 (Unaudited) (continued)

			Bank Loan Ratings†		Market
Principal Amount		Borrower/Tranche Description	Moody's	S&P	Value
North American Cable: 13.4%
		Atlantic Broadband	B1	B
$	3,960,083	Term Loan, 7.610%, maturing August 10, 2012			$	3,883,356
		Bragg Communications, Inc.	NR	NR
	6,345,870	Term Loan, 7.110%, maturing August 31, 2011				6,345,870
		Bresnan Communications, LLC	B2	BB-
	1,953,061	Term Loan, 7.360%, maturing April 30, 2014				1,889,587
	10,003,061	Term Loan, 7.360%, maturing September 29, 2013				9,677,962
		Cequel Communications, LLC	B1	BB-
	46,349,593	Term Loan, 7.378%, maturing November 05, 2013				43,922,682
		Cequel Communications, LLC	Caa1	B-
	975,000	Second Lien Term Loan, 9.856%, maturing May 05, 2014				949,406
		Charter Communications Operating, LLC	B1	B+
	64,723,652	Term Loan, 7.360%, maturing March 06, 2014				61,429,652
	4,411,765	Term Loan, 7.360%, maturing March 06, 2014				4,187,237
		CSC Holdings, Inc.	Ba2	BB
	38,337,456	Term Loan, 7.070%, maturing March 29, 2013				36,880,978
		Insight Midwest Holdings, LLC	Ba3	BB-
	19,500,000	Term Loan, 7.360%, maturing April 06, 2014				19,052,105
		Knology, Inc.	B2	B
	3,000,000	Term Loan, 7.610%, maturing June 30, 2012				2,910,000
		Mediacom Broadband, LLC	Ba3	BB
	15,563,790	Term Loan, 7.320%, maturing January 31, 2015				14,724,450
	3,438,750	Term Loan, 7.045%, maturing March 31, 2010				3,232,425
		Mediacom LLC Group	Ba3	BB
	8,515,542	Term Loan, 7.320%, maturing January 31, 2015				8,077,596
		Nextmedia Operating, Inc.	B1	B+
	2,088,665	Term Loan, 7.330%, maturing November 15, 2012				1,979,010
	4,699,496	Term Loan, 7.569%, maturing November 15, 2012				4,452,773
		Quebecor Media, Inc.	B1	B
	3,940,000	Term Loan, 7.360%, maturing January 17, 2013				3,831,650
		San Juan Cable, LLC	B1	BB
	3,942,503	Term Loan, 7.360%, maturing October 31, 2012				3,798,357

See Accompanying Notes to Financial Statements
49

ING Senior Income Fund

PORTFOLIO OF INVESTMENTS as of August 31, 2007 (Unaudited) (continued)

			Bank Loan Ratings†		Market
Principal Amount		Borrower/Tranche Description	Moody's	S&P	Value
North American Cable: (continued)
		Univision Communications, Inc.	Ba3	B+
$	28,397,889	Term Loan, 7.610%, maturing September 29, 2014			$	26,350,884
		Univision Communications, Inc.	B3	CCC+
	2,850,000	Second Lien Term Loan, 8.008%, maturing March 29, 2009				2,801,550
		US Cable of Coastal-Texas, L.P.	B2	B-
	2,493,750	Term Loan, 8.186%, maturing April 19, 2014				2,456,344
		Wideopenwest Finance, LLC	B2	B-
	5,833,333	Term Loan, 7.932%, maturing June 22, 2014				5,444,443
						268,278,317
Oil & Gas: 6.1%
		Alon USA	B1	BB
	1,760,000	Term Loan, 7.612%, maturing June 22, 2013				1,689,600
	220,000	Term Loan, 7.761%, maturing June 22, 2013				211,200
		Atlas Pipeline Partners, L.P.	NR	BB-
	10,000,000	Term Loan, 8.144%, maturing July 27, 2014				9,975,000
		Coffeyville Resources, LLC	Caa1	B-
	2,198,990	Term Loan, 8.610%, maturing December 28, 2013				2,126,837
	1,203,165	Term Loan, 8.260%, maturing December 29, 2010				1,163,687
		CR Gas Storage	Ba3	BB-
	824,163	Term Loan, 7.110%, maturing May 12, 2013				804,933
	5,066,573	Term Loan, 7.110%, maturing May 12, 2013				4,948,355
	558,280	Term Loan, 7.325%, maturing May 12, 2013				545,254
	937,709	Term Loan, 7.280%, maturing May 13, 2011				915,829
		El Paso Corporation	Ba1	BB
	6,250,000	Term Loan, 7.420%, maturing August 01, 2011				6,152,344
		Energy Transfer Company, L.P.	Ba2	NR
	13,750,000	Term Loan, 7.106%, maturing February 08, 2012				13,391,923
		Helix Energy Solutions Group, Inc.	B1	BB+
	7,721,533	Term Loan, 7.411%, maturing July 01, 2013				7,497,130
		Hercules Offshore, LLC	Ba3	BB
	3,500,000	Term Loan, 7.110%, maturing July 11, 2013				3,430,000
		IFM Holdco	Ba3	BBB
	498,750	Term Loan, 7.510%, maturing February 27, 2012				491,269

See Accompanying Notes to Financial Statements
50

ING Senior Income Fund

PORTFOLIO OF INVESTMENTS as of August 31, 2007 (Unaudited) (continued)

			Bank Loan Ratings†		Market
Principal Amount		Borrower/Tranche Description	Moody's	S&P	Value
Oil & Gas: (continued)
		Key Energy	NR	NR
$	4,432,500	Term Loan, 7.933%, maturing June 30, 2012			$	4,354,931
		Kinder Morgan, Inc.	Ba2	BB-
	3,587,879	Term Loan, 7.071%, maturing May 30, 2014				3,421,939
		McJunkin Corporation	B2	B+
	3,980,000	Term Loan, 7.815%, maturing January 31, 2013				3,890,450
		MEG Energy	Ba3	BB
	4,147,500	Term Loan, 7.360%, maturing April 03, 2013				4,036,899
		Pine Prairie Energy Center	B1	B+
	793,466	Term Loan, 7.830%, maturing December 31, 2013				781,564
		Semcrude, L.P.	Ba2	NR
	6,725,000	Term Loan, 7.110%, maturing May 15, 2014				6,598,906
		SG Resources Mississippi, LLC	B1	BB-
	3,200,000	Term Loan, 7.205%, maturing March 31, 2014				3,148,000
		Targa Resources, Inc.	Ba3	B+
	5,275,758	Term Loan, 7.360%, maturing October 31, 2012				5,126,280
	16,170,112	Term Loan, 7.537%, maturing October 31, 2012				15,711,965
		Venoco, Inc.	Caa1	B
	3,000,000	Second Lien Term Loan, 9.360%, maturing September 20, 2011				2,966,250
		Volnay Acquisition Co. I	Ba2	BB-
	2,864,000	Term Loan, 7.360%, maturing January 12, 2014				2,742,280
		Vulcan Energy Corporation	Ba2	BB		`
	5,419,383	Term Loan, 6.945%, maturing August 12, 2011				5,283,898
		Western Refining, Inc.	B1	BB+
	10,837,143	Term Loan, 7.070%, maturing May 30, 2014				10,339,317
						121,746,040
Other Broadcasting and Entertainment: 1.3%
		Deluxe Entertainment Services Group, Inc.	B1	B
	137,795	Term Loan, 5.260%, maturing May 11, 2013				132,283
	275,591	Term Loan, 7.610%, maturing May 11, 2013				264,567
	3,086,614	Term Loan, 7.610%, maturing May 11, 2013				2,963,150
		DirecTV Holdings, LLC	Baa3	BBB-
	3,821,514	Term Loan, 7.000%, maturing April 13, 2013				3,766,282

See Accompanying Notes to Financial Statements
51

ING Senior Income Fund

PORTFOLIO OF INVESTMENTS as of August 31, 2007 (Unaudited) (continued)

			Bank Loan Ratings†		Market
Principal Amount		Borrower/Tranche Description	Moody's	S&P	Value
Other Broadcasting and Entertainment: (continued)
		VNU	Ba3	B+
$	19,937,525	Term Loan, 7.360%, maturing August 09, 2013			$	19,239,712
						26,365,994
Other Telecommunications: 2.7%
		Asurion Corporation	B2	B-
	15,250,000	Term Loan, 8.360%, maturing July 03, 2014				14,373,125
		BCM Ireland Holdings, Ltd.	Ba3	BB
EUR	2,083,333	Term Loan, 5.903%, maturing September 30, 2014				2,697,503
EUR	2,083,333	Term Loan, 6.153%, maturing September 30, 2015				2,725,000
		Cavalier Telephone	B2	B-
$	4,179,000	Term Loan, 10.110%, maturing December 31, 2012				4,116,315
		Consolidated Communications	Ba3	BB
	2,440,381	Term Loan, 7.110%, maturing October 14, 2011				2,385,472
		Fairpoint Communications, Inc.	B1	BB-
	2,500,000	Term Loan, 7.125%, maturing February 08, 2012				2,434,375
		Gabriel Communications	B2	CCC+
	500,000	Term Loan, 8.620%, maturing May 31, 2014				485,625
		Hargray Communications Group, Inc.	B1	B
	750,000	Term Loan, 7.596%, maturing June 29, 2014				735,000
		Hawaiian Telcom Communications, Inc.	Ba3	B-
	5,000,000	Term Loan, 7.610%, maturing June 01, 2014				4,762,500
		Iowa Telecommunications Services, Inc	Ba3	BB-
	5,000,000	Term Loan, 7.110%, maturing November 23, 2011				4,862,500
		Kentucky Data Link, Inc.	B1	B
	4,235,066	Term Loan, 7.815%, maturing February 26, 2014				4,097,426
		One Communications	B1	B-
	3,000,000	Term Loan, 8.875%, maturing June 30, 2012				2,910,000
		PAETEC Holding Corporation	Ba3	B-
	807,393	Term Loan, 8.065%, maturing February 28, 2013				796,964
		Time Warner Telecom Holdings, Inc.	Ba2	B
	3,203,900	Term Loan, 7.360%, maturing January 07, 2013				3,135,817
		U.S. Telepacific Corporation	B1	CCC+
	992,502	Term Loan, 9.444%, maturing August 04, 2011				998,705

See Accompanying Notes to Financial Statements
52

ING Senior Income Fund

PORTFOLIO OF INVESTMENTS as of August 31, 2007 (Unaudited) (continued)

					Bank Loan Ratings†		Market
Principal Amount				Borrower/Tranche Description	Moody's	S&P	Value
Other Telecommunications: (continued)
				Windstream Corporation	Baa3	BBB-
$	2,053,571			Term Loan, 6.860%, maturing July 17, 2013			$	2,004,286
								53,520,613
Personal & Nondurable Consumer Products: 2.9%
				Advantage Sales and Marketing	B2	B-
	3,836,787			Term Loan, 7.459%, maturing March 29, 2013				3,668,928
				Chattem, Inc.	NR	BB-
	487,500			Term Loan, 7.110%, maturing January 02, 2013				478,969
				Fender Musical Instruments Corporation	B2	B+
	2,333,333			Term Loan, 7.650%, maturing June 09, 2014				2,193,333
				Gibson Guitar Corporation	Ba3	B
	746,250			Term Loan, 7.860%, maturing December 29, 2013				735,056
				Huish Detergents, Inc.	B1	B+
	3,300,000			Term Loan, 7.510%, maturing April 26, 2014				3,060,750
				Information Resources, Inc.	Ba2	B+
	500,000			Term Loan, 7.225%, maturing May 16, 2014				481,875
				Jarden Corporation	Ba3	BB-
	1,190,355			Term Loan, 7.110%, maturing January 24, 2012				1,146,992
	12,355,482			Term Loan, 7.110%, maturing January 24, 2012				11,905,385
	1,000,000			Term Loan, 7.843%, maturing January 24, 2012				983,125
				KIK Custom Products, Inc.	B1	B
	73,171			Term Loan, 7.610%, maturing May 31, 2014				67,317
	426,829			Term Loan, 7.610%, maturing May 31, 2014				392,683
				Mega Bloks, Inc.	Ba3	B+
	980,000			Term Loan, 7.625%, maturing July 26, 2012				945,700
				Natural Products Group, LLC	B1	B+
	2,097,399			Term Loan, 7.656%, maturing March 08, 2014				1,548,579
		(2	)	Norwood Promotional Products	NR	NR
		3,700,000		Revolver, 10.750%, maturing December 31, 2008				3,700,000
	611,532			Term Loan, 11.750%, maturing August 17, 2009				611,532
		16,081,521		Term Loan, 6.000%, maturing August 17, 2011				14,794,999
				Norwood Promotional Products	NR	NR
	1,090,736			Second Lien Term Loan, 24.508%, maturing February 15, 2008				1,090,736

See Accompanying Notes to Financial Statements
53

ING Senior Income Fund

PORTFOLIO OF INVESTMENTS as of August 31, 2007 (Unaudited) (continued)

			Bank Loan Ratings†		Market
Principal Amount		Borrower/Tranche Description	Moody's	S&P	Value
Personal & Nondurable Consumer Products: (continued)
		Spectrum Brands, Inc.	B2	B-
$	56,383	Term Loan, 9.320%, maturing March 30, 2013			$	54,997
	1,140,636	Term Loan, 9.353%, maturing March 30, 2013				1,112,596
	202,980	Term Loan, 9.565%, maturing March 30, 2013				192,831
		Totes Isotoner Corporation	B2	B
	415,625	Term Loan, 7.844%, maturing January 31, 2013				403,156
		Tupperware	Ba1	BBB-
	3,236,339	Term Loan, 6.860%, maturing December 05, 2012				3,182,399
		Yankee Candle Company, Inc.	Ba3	BB-
	4,987,500	Term Loan, 7.360%, maturing February 06, 2014				4,806,703
						57,558,641
Personal, Food & Miscellaneous: 2.4%
		Acosta, Inc.	B1	B-
	4,455,000	Term Loan, 7.820%, maturing July 28, 2013				4,300,933
		Allied Security Holdings, LLC	Ba3	BB-
	486,364	Term Loan, 8.360%, maturing June 30, 2010				479,068
		Arbys Restaurant Group, Inc.	Ba3	BB
	6,432,637	Term Loan, 7.678%, maturing July 25, 2012				6,287,903
		Coinmach Corporation	B2	B+
	7,952,081	Term Loan, 7.968%, maturing December 19, 2012				7,812,920
		Coinstar, Inc.	Ba2	BB+
	2,417,918	Term Loan, 7.360%, maturing July 07, 2011				2,381,649
		Culligan International Company	Ba2	B+
	1,500,000	Term Loan, 7.699%, maturing November 24, 2012				1,378,125
		Dennys, Inc.	Ba2	BB-
	1,437,036	Term Loan, 7.376%, maturing March 31, 2012				1,415,481
	866,667	Term Loan, 7.377%, maturing March 31, 2012				853,667
		Krispy Kreme Doughnut Corporation	NR	NR
	648,825	Term Loan, 8.358%, maturing February 15, 2014				626,116
		MD Beauty, Inc.	B1	BB-
	2,769,582	Term Loan, 7.800%, maturing February 18, 2012				2,728,038
		N.E.W. Customer Services Companies, Inc.	B1	B
	4,664,286	Term Loan, 7.864%, maturing May 22, 2014				4,322,240

See Accompanying Notes to Financial Statements
54

ING Senior Income Fund

PORTFOLIO OF INVESTMENTS as of August 31, 2007 (Unaudited) (continued)

			Bank Loan Ratings†		Market
Principal Amount		Borrower/Tranche Description	Moody's	S&P	Value
Personal, Food & Miscellaneous: (continued)
		NPC International	Ba3	BB-
$	1,200,000	Term Loan, 7.124%, maturing May 03, 2013			$	1,162,500
		OSI Restaurant Partners, Inc.	B1	BB-
	378,313	Term Loan, 7.430%, maturing June 14, 2013				359,988
	4,621,813	Term Loan, 7.625%, maturing June 14, 2014				4,397,946
		QCE, LLC	B2	B
	3,729,000	Term Loan, 7.610%, maturing May 05, 2013				3,575,697
		Reddy Ice Group, Inc.	Ba3	BB-
	3,000,000	Term Loan, 7.110%, maturing August 09, 2012				2,955,000
		Sagittarius Brands, Inc.	B1	B+
	1,481,250	Term Loan, 7.610%, maturing March 29, 2013				1,396,078
		Sbarro, Inc.	Ba3	B+
	498,750	Term Loan, 7.880%, maturing January 31, 2014				477,553
		Seminole Hard Rock Entertainment	B1	BB
	1,000,000	Term Loan, 7.860%, maturing March 15, 2014				970,000
		U.S. Security Holdings, Inc.	B1	B+
	617,188	Term Loan, 7.870%, maturing May 08, 2013				614,102
						48,495,004
Printing & Publishing: 8.1%
		American Achievement Corporation	Ba2	BB-
	1,120,669	Term Loan, 7.720%, maturing March 25, 2011				1,092,653
		American Reprographics Company	Ba2	BB
	4,425,745	Term Loan, 7.221%, maturing June 18, 2009				4,315,102
		Ascend Media Holdings, LLC	B3	B
	1,536,048	Term Loan, 8.758%, maturing January 31, 2012				1,344,042
		Black Press, Ltd.	Ba3	BB-
	748,000	Term Loan, 7.541%, maturing August 02, 2013				733,507
	1,232,000	Term Loan, 7.541%, maturing August 02, 2013				1,208,130
		Canwest Media, Inc.	Ba1	BB-
	2,743,125	Term Loan, 7.541%, maturing July 18, 2014				2,660,831
		Caribe Information Investments, Inc.	B1	B+
	2,710,887	Term Loan, 7.623%, maturing March 31, 2013				2,629,560

See Accompanying Notes to Financial Statements
55

ING Senior Income Fund

PORTFOLIO OF INVESTMENTS as of August 31, 2007 (Unaudited) (continued)

			Bank Loan Ratings†		Market
Principal Amount		Borrower/Tranche Description	Moody's	S&P	Value
Printing & Publishing: (continued)
		Cenveo Corporation	Ba3	BB-
$	3,867,171	Term Loan, 7.110%, maturing June 21, 2013			$	3,702,816
	78,906	Term Loan, 7.110%, maturing June 21, 2013				75,552
		Dex Media West, LLC	Ba1	BB+
	5,471,400	Term Loan, 6.930%, maturing March 09, 2010				5,356,846
	3,338,657	Term Loan, 7.081%, maturing March 09, 2010				3,268,756
	378,974	Term Loan, 6.737%, maturing September 09, 2009				369,026
		Hanley Wood, LLC	B2	B
	2,729,335	Term Loan, 7.604%, maturing March 08, 2014				2,488,245
		Idearc, Inc.	Ba2	BBB-
	35,447,000	Term Loan, 7.360%, maturing November 17, 2014				34,431,940
		Intermedia Outdoor, Inc.	NR	NR
	1,990,000	Term Loan, 8.360%, maturing January 31, 2013				1,950,200
		Jostens IH Corporation	Ba1	BB
	6,912,069	Term Loan, 7.330%, maturing December 21, 2011				6,773,828
		Medimedia USA, Inc.	Ba3	BB-
	1,240,625	Term Loan, 7.595%, maturing October 05, 2013				1,203,406
		Merrill Communications, LLC	Ba3	BB-
	5,837,510	Term Loan, 7.689%, maturing May 15, 2011				5,713,463
		Nelson Canada	Ba3	BB-
	5,000,000	Term Loan, 7.828%, maturing June 30, 2014				4,687,500
		PagesJaunes Groupe S.A.	NR	NR
EUR	1,100,000	Term Loan, 5.890%, maturing February 28, 2014				1,423,812
		PagesJaunes Groupe S.A.	NR	NR
EUR	825,000	Second Lien Term Loan, 6.390%, maturing February 28, 2014				1,069,792
EUR	825,000	Second Lien Term Loan, 6.890%, maturing February 28, 2014				1,075,412
		PBL Media	B1	NR
AUD	24,869,635	Term Loan, 9.032%, maturing May 01, 2013				19,816,588
		Prism Business Media Holdings	B1	BB-
$	2,194,500	Term Loan, 7.610%, maturing February 01, 2013				2,088,890

See Accompanying Notes to Financial Statements
56

ING Senior Income Fund

PORTFOLIO OF INVESTMENTS as of August 31, 2007 (Unaudited) (continued)

			Bank Loan Ratings†		Market
Principal Amount		Borrower/Tranche Description	Moody's	S&P	Value
Printing & Publishing: (continued)
		R.H. Donnelley Corporation	Ba1	BB+
$	1,445,813	Term Loan, 6.726%, maturing December 31, 2009			$	1,390,391
	3,446,970	Term Loan, 6.860%, maturing June 30, 2011				3,334,943
	10,519,420	Term Loan, 6.881%, maturing June 30, 2011				10,219,174
		Readers Digest	B1	B+
EUR	755,338	Term Loan, 6.013%, maturing March 02, 2014				957,108
$	4,364,063	Term Loan, 7.347%, maturing March 02, 2014				4,047,668
		Source Media, Inc.	B1	B
	3,722,218	Term Loan, 7.610%, maturing November 08, 2011				3,629,162
		Thomas Nelson Publishers	B1	B
	2,310,000	Term Loan, 7.632%, maturing June 12, 2012				2,200,275
		Thomson Learning	B1	B+
	20,000,000	Term Loan, 8.100%, maturing July 05, 2014				18,983,340
		Tribune Company	Ba2	BB
	1,500,000	Term Loan, 8.360%, maturing May 19, 2014				1,367,579
		Valassis Communications, Inc.	Ba2	BB
	1,077,050	Term Loan, 7.110%, maturing March 02, 2014				999,861
		Wenner Media, LLC	Ba3	BB-
	857,250	Term Loan, 7.110%, maturing October 02, 2013				831,533
		Yell Group PLC	Ba3	BB-
	2,000,000	Term Loan, 7.565%, maturing February 10, 2013				2,003,750
EUR	2,000,000	Term Loan, 6.421%, maturing February 27, 2013				2,650,820
						162,095,501
Radio and TV Broadcasting: 2.5%
		Block Communications, Inc.	Ba1	BB
$	1,231,250	Term Loan, 7.360%, maturing December 22, 2012				1,188,156
		Citadel Broadcasting Corporation	Ba3	BB-
	8,500,000	Term Loan, 6.985%, maturing June 12, 2014				7,876,670
		CMP KC, LLC	Caa1	CCC+
	2,055,244	Term Loan, 9.375%, maturing May 03, 2011				1,942,206
		CMP Susquehanna Corporation	B1	B-
	7,443,429	Term Loan, 7.503%, maturing May 05, 2013				7,101,031

See Accompanying Notes to Financial Statements
57

ING Senior Income Fund

PORTFOLIO OF INVESTMENTS as of August 31, 2007 (Unaudited) (continued)

			Bank Loan Ratings†		Market
Principal Amount		Borrower/Tranche Description	Moody's	S&P	Value
Radio and TV Broadcasting: (continued)
		Cumulus Media, Inc.	Ba3	B
$	2,861,333	Term Loan, 7.253%, maturing June 11, 2014			$	2,796,953
		Emmis Communication	B1	B+
	1,211,250	Term Loan, 7.360%, maturing November 01, 2013				1,171,884
		Local TV Finance, LLC	Ba3	B+
	3,400,000	Term Loan, 7.310%, maturing May 07, 2013				3,230,000
		Montecito Broadcast Group, LLC	B1	B
	1,970,000	Term Loan, 7.859%, maturing January 27, 2013				1,935,525
		Nexstar Broadcasting Group	Ba3	BB-
	4,527,423	Term Loan, 7.110%, maturing October 01, 2012				4,335,007
	4,779,655	Term Loan, 7.110%, maturing October 01, 2012				4,576,520
		Paxson Communications	B1	CCC+
	6,500,000	Term Loan, 8.610%, maturing January 15, 2012				6,337,500
		Regent Communications	B1	B+
	2,238,750	Term Loan, 7.610%, maturing November 21, 2013				2,182,781
		Spanish Broadcasting Systems	B1	B-
	4,397,525	Term Loan, 7.110%, maturing June 11, 2012				4,177,649
						48,851,882
Retail Stores: 5.9%
		Amscan Holdings, Inc.	Ba3	B
	1,995,000	Term Loan, 7.631%, maturing May 25, 2013				1,865,325
		Burlington Coat Factory	B2	B-
	4,860,000	Term Loan, 7.760%, maturing May 28, 2013				4,577,080
		CBR Fashion Holding	NR	NR
EUR	750,000	Term Loan, 6.305%, maturing June 14, 2015				971,675
EUR	750,000	Term Loan, 6.555%, maturing June 14, 2016				977,040
		Claires Stores, Inc.	B1	B
$	5,000,000	Term Loan, 8.110%, maturing May 29, 2014				4,613,540
		Dollar General Corporation	B2	B+
	10,500,000	Term Loan, 8.108%, maturing July 06, 2014				9,725,625
		Dollar General Corporation	Caa1	CCC+
	3,500,000	Term Loan, 8.205%, maturing July 06, 2014				3,135,416
		Dollarama Group, L.P	Ba1	BB-
	5,363,359	Term Loan, 7.108%, maturing November 18, 2011				5,256,092

See Accompanying Notes to Financial Statements
58

ING Senior Income Fund

PORTFOLIO OF INVESTMENTS as of August 31, 2007 (Unaudited) (continued)

			Bank Loan Ratings†		Market
Principal Amount		Borrower/Tranche Description	Moody's	S&P	Value
Retail Stores: (continued)
		General Nutrition Centers, Inc.	B1	B-
$	4,788,000	Term Loan, 7.610%, maturing September 16, 2013			$	4,492,738
		Harbor Freight Tools USA, Inc.	B1	B+
	8,111,817	Term Loan, 7.610%, maturing July 15, 2010				7,800,867
		Mapco Express, Inc.	B2	BB-
	2,217,272	Term Loan, 8.110%, maturing April 28, 2011				2,161,840
		Mattress Firm	B1	B
	997,500	Term Loan, 7.610%, maturing January 18, 2014				942,638
		Michaels Stores, Inc.	B2	B
	13,715,452	Term Loan, 7.625%, maturing October 31, 2013				12,992,936
		Nebraska Book Company, Inc.	Ba2	B
	3,361,228	Term Loan, 7.830%, maturing March 04, 2011				3,277,198
		Neiman Marcus Group, Inc.	Ba3	B+
	19,489,030	Term Loan, 7.110%, maturing April 06, 2013				18,991,358
		Oriental Trading Company, Inc.	B1	BB-
	2,475,000	Term Loan, 7.610%, maturing July 31, 2013				2,320,313
		Pep Boys	Ba3	B+
	493,772	Term Loan, 7.540%, maturing January 27, 2011				485,131
		Petco Animal Supplies, Inc.	Ba3	BB-
	5,099,375	Term Loan, 7.609%, maturing October 26, 2013				4,946,394
		Phones 4U Group, Ltd.	NR	NR
GBP	2,126,866	Term Loan, 8.520%, maturing September 22, 2014				4,022,312
GBP	2,034,161	Term Loan, 9.020%, maturing September 22, 2015				3,863,734
		Rite Aid	Ba3	BB-
$	3,000,000	Term Loan, 7.183%, maturing June 04, 2014				2,936,250
		Sally Holding, LLC	B2	BB-
	3,721,875	Term Loan, 8.006%, maturing November 16, 2013				3,614,000
		Samsonite Corporation	Ba3	BB-
	1,990,000	Term Loan, 7.610%, maturing December 30, 2013				1,972,588
		Sports Authority	B2	B
	2,970,000	Term Loan, 7.610%, maturing May 03, 2013				2,828,925
		Tire Rack, Inc.	B1	BB-
	805,472	Term Loan, 7.115%, maturing June 24, 2012				793,390

See Accompanying Notes to Financial Statements
59

ING Senior Income Fund

PORTFOLIO OF INVESTMENTS as of August 31, 2007 (Unaudited) (continued)

			Bank Loan Ratings†		Market
Principal Amount		Borrower/Tranche Description	Moody's	S&P	Value
Retail Stores: (continued)
		Toys "R" Us, Inc.	Ba3	B
$	1,375,000	Term Loan, 9.760%, maturing July 19, 2012			$	1,363,399
		Vivarte	NR	NR
EUR	2,500,000	Term Loan, 6.113%, maturing March 08, 2015				3,142,875
EUR	2,500,000	Term Loan, 6.613%, maturing March 08, 2016				3,155,039
						117,225,718
Satellite: 0.5%
		Aeroflex, Inc.	NR	B+
$	1,000,000	Term Loan, 8.875%, maturing August 15, 2014				960,000
		Intelsat (Bermuda), Ltd.	B2	B
	3,200,000	Term Loan, 7.859%, maturing February 01, 2014				3,118,000
		Intelsat Corporation	Ba2	BB
	4,216,259	Term Loan, 7.360%, maturing January 03, 2012				4,093,988
		Intelsat Subsidiary Holding Company, Ltd.	Ba2	BB+
	2,619,488	Term Loan, 7.360%, maturing July 07, 2013				2,557,275
						10,729,263
Telecommunications Equipment: 0.8%
		Macquarie UK Broadcast Ventures, Ltd.	NR	NR
GBP	5,500,000	Term Loan, 8.632%, maturing December 01, 2014				11,062,750
		Sorenson Communications, Inc.	B1	B
$	5,137,164	Term Loan, 8.000%, maturing August 16, 2014				4,931,678
						15,994,428
Textiles & Leather: 0.7%
		Hanesbrands, Inc.	Ba2	BB
	2,315,179	Term Loan, 7.132%, maturing September 05, 2013				2,259,832
		Iconix Brand Group, Inc.	Ba2	BB-
	2,543,625	Term Loan, 7.610%, maturing May 02, 2013				2,441,880
		Polymer Group, Inc.	B1	BB
	6,402,500	Term Loan, 7.610%, maturing November 22, 2012				6,306,463
		St. John Knits International, Inc.	B1	BB
	509,247	Term Loan, 8.360%, maturing March 21, 2012				501,608
		Targus Group, Inc.	B2	B
	1,953,657	Term Loan, 8.870%, maturing November 22, 2012				1,771,316
						13,281,099

See Accompanying Notes to Financial Statements
60

ING Senior Income Fund

PORTFOLIO OF INVESTMENTS as of August 31, 2007 (Unaudited) (continued)

			Bank Loan Ratings†		Market
Principal Amount		Borrower/Tranche Description	Moody's	S&P	Value
Utilities: 5.9%
		Astoria Generating Company Acquisitions, LLC	B1	BB-
$	3,183,426	Term Loan, 7.500%, maturing February 23, 2013			$	3,118,621
		AWG PLC	NR	NR
GBP	1,000,000	Term Loan, 7.961%, maturing October 01, 2011				1,981,162
		Boston Generating, LLC	B1	BB-
$	1,062,345	Revolver, 7.610%, maturing December 20, 2013				1,029,147
	1,794,089	Term Loan, 7.610%, maturing December 20, 2013				1,738,023
	5,372,284	Term Loan, 7.610%, maturing December 20, 2013				5,204,400
		Calpine Corporation	B1	BB-
	18,354,000	Term Loan, 7.610%, maturing March 29, 2009				17,816,485
		Cellnet Technology, Inc.	Ba2	NR
	1,549,545	Term Loan, 7.360%, maturing July 22, 2011				1,514,681
		Cellnet Technology, Inc.	B2	NR
	333,333	Second Lien Term Loan, 9.620%, maturing October 22, 2011				325,000
		Coleto Creek WLE, LP	B1	BB-
	764,331	Term Loan, 8.010%, maturing June 28, 2013				741,401
	5,307,062	Term Loan, 8.110%, maturing June 28, 2013				5,147,850
		Infrastrux Group, Inc.	B2	B+
	5,111,375	Term Loan, 8.815%, maturing November 03, 2012				4,779,136
		KGEN, LLC	Ba3	BB
	937,500	Term Loan, 7.125%, maturing February 05, 2014				897,656
	1,554,688	Term Loan, 7.125%, maturing February 05, 2014				1,488,613
		Longview Power, LLC	Ba3	BB
	150,000	Term Loan, 1.658%, maturing February 28, 2014				140,688
	1,000,000	Term Loan, 7.625%, maturing February 28, 2014				937,917
	333,333	Term Loan, 7.625%, maturing February 28, 2014				312,639
		MACH Gen, LLC	B2	B+
	453,125	Term Loan, 7.360%, maturing February 22, 2013				434,056
	4,358,307	Term Loan, 7.500%, maturing February 22, 2014				4,174,897

See Accompanying Notes to Financial Statements
61

ING Senior Income Fund

PORTFOLIO OF INVESTMENTS as of August 31, 2007 (Unaudited) (continued)

			Bank Loan Ratings†		Market
Principal Amount		Borrower/Tranche Description	Moody's	S&P	Value
Utilities: (continued)
		NE Energy, Inc.	B1	B+
$	792,683	Term Loan, 7.860%, maturing November 01, 2013			$	774,848
	1,875,600	Term Loan, 7.860%, maturing November 01, 2013				1,833,399
		NE Energy, Inc.	B3	B-
	1,675,000	Second Lien Term Loan, 9.875%, maturing May 01, 2014				1,633,125
		NRG Energy, Inc.	Ba1	BB
	17,238,608	Term Loan, 7.110%, maturing February 01, 2013				16,641,411
	12,482,787	Term Loan, 7.110%, maturing February 01, 2013				12,050,346
		NSG Holdings, LLC	Ba2	BB
	244,898	Term Loan, 6.860%, maturing June 15, 2014				237,551
	2,123,356	Term Loan, 6.860%, maturing June 15, 2014				2,059,655
		Riverside Energy Center, LLC	B1	B
	265,185	Term Loan, 9.670%, maturing June 24, 2010				264,301
	1,996,411	Term Loan, 9.815%, maturing June 24, 2011				1,989,757
	3,250,747	Term Loan, 9.815%, maturing June 24, 2011				3,239,913
		Thermal North America, Inc.	B1	BB
	2,000,000	Term Loan, 8.110%, maturing October 24, 2008				1,987,500
		TPF Generation Holdings, LLC	Ba3	BB-
	1,415,762	Revolver, 7.460%, maturing December 15, 2013				1,358,424
	6,016,579	Term Loan, 7.360%, maturing December 15, 2013				5,772,908
	1,916,282	Term Loan, 7.460%, maturing December 15, 2013				1,838,672
		TPF Generation Holdings, LLC	B3	B-
	2,000,000	Second Lien Term Loan, 9.610%, maturing December 15, 2014				1,924,000
		Viridian Group PLC	NR	NR
GBP	1,320,000	Second Lien Term Loan, 10.358%, maturing March 31, 2013				2,609,811
EUR	1,310,694	Second Lien Term Loan, 8.234%, maturing March 31, 2013				1,743,407

See Accompanying Notes to Financial Statements
62

ING Senior Income Fund

PORTFOLIO OF INVESTMENTS as of August 31, 2007 (Unaudited) (continued)

			Bank Loan Ratings†		Market
Principal Amount		Borrower/Tranche Description	Moody's	S&P	Value
Utilities: (continued)
		Wolf Hollow I, L.P.	B1	BB-
$	850,000	Revolver, 7.750%, maturing June 22, 2012			$	773,500
	4,009,107	Term Loan, 7.610%, maturing June 22, 2012				3,648,287
	3,400,000	Term Loan, 7.750%, maturing June 22, 2012				3,094,000
						117,257,187
		Total Senior Loans (Cost $2,498,164,675)				2,415,645,072
Other Corporate Debt: 0.2%
Automobile: 0.2%
		Avis Budget Car Rental	Ba1	BB-
	750,000	Floating Rate Note, 8.058%, maturing May 15, 2014				727,500
		Navistar International Corporation	NR	NR
	3,300,000	Unsecured Term Loan, 8.610%, maturing January 19, 2012				3,180,375
		Total Other Corporate Debt (Cost $4,050,000)				3,907,875

See Accompanying Notes to Financial Statements
63

ING Senior Income Fund

PORTFOLIO OF INVESTMENTS as of August 31, 2007 (Unaudited) (continued)

Equities and Other Assets: 0.0%
	Description			Market Value
(@), (R)	Decision One Corporation (463,664 Common Shares)			$	38,587
(@), (R)	Neoplan USA Corporation (1,627 Common Shares)				—
(@), (R)	Neoplan USA Corporation (170 Series B Preferred Shares)				—
(@), (R)	Neoplan USA Corporation (102 Series C Preferred Shares)				—
(@), (R)	Neoplan USA Corporation (331 Series D Preferred Shares)				—
(@), (R)	Norwood Promotional Products, Inc. (80,087 Common Shares)				—
(@), (R)	Safelite Realty Corporation (30,003 Common Shares)				506,750
	Total for Equities and Other Assets (Cost $676,388)				545,337
	Total Investments (Cost $2,502,891,063)**	121.1	%	$	2,420,098,284
	Other Assets and Liabilities — Net	(21.1	)		(421,324,774	)
	Net Assets	100.0	%	$	1,998,773,510

  *  Senior loans, while exempt from registration under the Securities Act of 1933, as amended, contain certain restrictions on resale and cannot be sold publicly. These senior loans bear interest (unless otherwise noted) at rates that float periodically at a margin above the London Inter-Bank Offered Rate ("LIBOR") and other short-term rates.

  †  Bank Loans rated below Baa by considered to be below investment grade.

  NR  Not Rated

  (1)  The borrower filed for protection under Chapter 7 of the U.S. Federal Bankruptcy code.

  (2)  The borrower filed for protection under Chapter 11 of the U.S. Federal Bankruptcy code.

  (3)  Loan is on non-accrual basis.

  (@)  Non-income producing security.

  (R)  Restricted security.

  **  For Federal Income Tax purposes cost of investments is $2,503,313,157.

    Net unrealized depreciation consists of the following:

Gross Unrealized Appreciation	$	5,870,753
Gross Unrealized Depreciation		(89,085,626	)
Net Unrealized Depreciation	$	(83,214,873	)

See Accompanying Notes to Financial Statements
64

ING Senior Income Fund

PORTFOLIO OF INVESTMENTS as of August 31, 2007 (Unaudited) (continued)

At August 31, 2007 the following forward foreign currency contracts were outstanding for ING Senior Income Fund:

Currency	Buy/Sell	Settlement Date	In Exchange For		Unrealized Value		Appreciation/ (Depreciation)
Australian Dollar
AUD 12,300,000	Sell	10/15/07	$	10,316,453	$	10,039,349	$	277,104
Australian Dollar AUD 7,380,000	Sell	11/15/07		6,265,915		6,017,269		248,646
Australian Dollar AUD 4,920,000	Sell	12/14/07		4,003,650		4,006,610		(2,960	)
Euro EUR 49,350,000	Sell	10/15/07		66,991,563		67,367,096		(375,533	)
Euro EUR 29,610,000	Sell	11/15/07		40,621,807		40,458,133		163,674
Euro EUR 19,740,000	Sell	12/14/07		26,968,196		26,986,973		(18,777	)
British Pound Sterling GBP 12,700,000	Sell	10/15/07		25,447,616		25,587,119		(139,503	)
British Pound Sterling GBP 7,620,000	Sell	11/15/07		15,419,756		15,341,254		78,502
British Pound Sterling GBP 5,080,000	Sell	12/14/07		10,191,140		10,219,074		(27,934	)
Sweden Kronor SEK 23,595,000	Sell	10/15/07		3,450,002		3,428,777		21,225
Sweden Kronor SEK 14,157,000	Sell	11/15/07		2,105,036		2,059,927		45,109
Sweden Kronor SEK 9,438,000	Sell	12/14/07		1,377,080		1,374,504		2,576
			$	213,158,214	$	212,886,085	$	272,129

See Accompanying Notes to Financial Statements
65

Investment Manager

ING Investments, LLC
7337 East Doubletree Ranch Road
Scottsdale, Arizona 85258

Sub-Adviser

ING Investment Management Co.
230 Park Avenue
New York, New York 10169

Administrator

ING Funds Services, LLC
7337 East Doubletree Ranch Road
Scottsdale, Arizona 85258

1-800-992-0180

Institutional Investors and Analysts

Call ING Senior Income Fund
1-800-336-3436

Written Requests

Please mail all account inquiries and other comments to:
ING Senior Income Fund
c/o ING Funds Services, LLC
7337 East Doubletree Ranch Road
Scottsdale, Arizona 85258

Distributor

ING Funds Distributor, LLC
7337 East Doubletree Ranch Road
Scottsdale, Arizona 85258

1-800-334-3444

Transfer Agent

DST Systems, Inc.
P.O. Box 219368
Kansas City, Missouri 64141

Custodian

State Street Bank and Trust Company
801 Pennsylvania Avenue
Kansas City, Missouri 64105

Legal Counsel

Dechert LLP
1775 I Street, N.W.
Washington, D.C. 20006

Toll-Free Shareholder Information

Call us from 9:00 a.m. to 7:00 p.m. Eastern time on any business day for account or other information, at (800) 992-0180

For more complete information, or to obtain a prospectus on any ING fund, please call your Investment Professional or ING Funds Distributor, LLC at (800) 992-0180 or log on to www.ingfunds.com. The prospectus should be read carefully before investing. Consider the fund's investment objectives, risks, charges and expenses carefully before investing. The prospectus contains this information and other information about the fund.

PRSAR-USIF

(0807-102407)

ITEM 2.CODE OF ETHICS.

Not required for semi-annual filing.

ITEM 3.AUDIT COMMITTEE FINANCIAL EXPERT.

Not required for semi-annual filing.

ITEM 4.PRINCIPAL ACCOUNTANT FEES AND SERVICES.

Not required for semi-annual filing.

ITEM 5.AUDIT COMMITTEE OF LISTED REGISTRANTS.

Not required for semi-annual filing.

ITEM 6.SCHEDULE OF INVESTMENTS.

Schedule is included as part of the report to shareholders filed under Item 1 of this Form.

ITEM 7.DISCLOSURE OF PROXY VOTING POLICIES AND PROCEDURES FOR CLOSED-END MANAGEMENT INVESTMENT COMPANIES.

Not required for semi-annual filing.

ITEM 8.PORTFOLIO MANAGERS OF CLOSED-END MANAGEMENT INVESTMENT COMPANIES.

Not applicable.

ITEM 9.         PURCHASES OF EQUITY SECURITIES BY CLOSED-END MANAGEMENT INVESTMENT COMPANY AND AFFILIATED PURCHASERS.

None.

ITEM 10.SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS.

The Board has a Nominating Committee for the purpose of considering and presenting to the Board candidates it proposes for nomination to fill Independent Trustee vacancies on the Board.  The Committee currently consists of all Independent Trustees of the Board (6 individuals).  The Nominating Committee operates pursuant to a Charter approved by the Board. The primary purpose of the Nominating Committee is to consider and present to the Board the candidates it proposes for nomination to fill vacancies on the Board. In evaluating candidates, the Nominating Committee may consider a variety of factors, but it has not at this time set any specific minimum qualifications that must be met.  Specific qualifications of candidates for Board membership will be based on the needs of the Board at the time of nomination.

The Nominating Committee is willing to consider nominations received from shareholders and shall assess shareholder nominees in the same manner as it reviews its own nominees.  A shareholder nominee for director should be submitted in writing to the Fund’s Secretary. Any such shareholder nomination should include at a minimum the following information as to each individual proposed for nomination as trustee: such individual’s written consent to be named in the proxy statement as a nominee (if nominated) and to serve as a trustee (if elected), and all information relating to such individual that is required to be disclosed in the solicitation of proxies for election of trustees, or is otherwise required, in each case under applicable federal securities laws, rules and regulations.

The Secretary shall submit all nominations received in a timely manner to the Nominating Committee.  To be timely, any such submission must be delivered to the Fund’s Secretary not earlier than the 90^th day prior to such meeting and not later than the close of business on the later of the 60^th day prior to such meeting or the 10^th day following the day on which public announcement of the date of the meeting is first made, by either disclosure in a press release or in a document publicly filed by the Fund with the Securities and Exchange Commission.

ITEM 11.CONTROLS AND PROCEDURES.

(a)Based on our evaluation conducted within 90 days of the filing date, hereof, the design and operation of the registrant’s disclosure controls and procedures are effective to ensure that material information relating to the registrant is made known to the certifying officers by others within the appropriate entities, particularly during the period in which Forms N-CSR are being prepared, and the registrant’s disclosure controls and procedures allow timely preparation and review of the information for the registrant’s Form N-CSR and the officer certifications of such Form N-CSR.

(b)There were no significant changes in the registrant’s internal controls that occurred during the second fiscal quarter of the period covered by this report that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting.

ITEM 12.EXHIBITS.

(a)(1)The Code of Ethics is not required for the semi-annual filing.

(a)(2)A separate certification for each principal executive officer and principal financial officer of the registrant as required by Rule 30a-2 under the Act (17 CFR 270.30a-2) is attached hereto as EX-99.CERT.

(a)(3)Not required for semi-annual filing.

(b)The officer certifications required by Section 906 of the Sarbanes-Oxley Act of 2002 are attached hereto as EX-99.906CERT

SIGNATURES

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.

(Registrant): ING Senior Income Fund

By	/s/	Shaun P. Mathews
		Shaun P. Mathews
		President and Chief Executive Officer
Date:	November 2, 2007

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.

By	/s/	Shaun P. Mathews
		Shaun P. Mathews
		President and Chief Executive Officer
Date:	November 2, 2007
By	/s/	Todd Modic
		Todd Modic
		Senior Vice President and Chief Financial Officer
Date:	November 2, 2007

EX-99.CERT

EXHIBIT-99.CERT

CERTIFICATION

I, Shaun P. Mathews, certify that:

1.I have reviewed this report on Form N-CSR of ING Senior Income Fund;

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations, changes in net assets, and cash flows (if the financial statements are required to include a statement of cash flows) of the registrant as of, and for, the periods presented in this report;

4.The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Rule 30a-3(c) under the Investment Company Act of 1940) and internal control over financial reporting (as defined in Rule 30a-3(d) under the Investment Company Act of 1940) for the registrant and have:

a)Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b)Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c)Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of a date within 90 days prior to the filing date of this report based on such evaluation; and

d)Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the second fiscal quarter of the period covered by this report that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.The registrant’s other certifying officer(s) and I have disclosed to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a)All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize, and report financial information; and

b)Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date:  November 2, 2007	/s/ Shaun P. Mathews
	Shaun P. Mathews
	President and Chief Executive Officer

CERTIFICATION

I, Todd Modic, certify that:

1.I have reviewed this report on Form N-CSR of ING Senior Income Fund;

2.Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3.Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations, changes in net assets, and cash flows (if the financial statements are required to include a statement of cash flows) of the registrant as of, and for, the periods presented in this report;

4.The registrant’s other certifying officer(s) and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Rule 30a-3(c) under the Investment Company Act of 1940) and internal control over financial reporting (as defined in Rule 30a-3(d) under the Investment Company Act of 1940) for the registrant and have:

a)Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b)Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c)Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of a date within 90 days prior to the filing date of this report based on such evaluation; and

d)Disclosed in this report any change in the registrant’s internal control over financial reporting that occurred during the second fiscal quarter of the period covered by this report that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5.The registrant’s other certifying officer(s) and I have disclosed to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

a)All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant’s ability to record, process, summarize, and report financial information; and

b)Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant’s internal control over financial reporting.

Date:  November 2, 2007	/s/ Todd Modic
	Todd Modic
	Senior Vice President and Chief Financial Officer

EX-99.906CERT

EXHIBIT-99.906CERT

CERTIFICATION

Pursuant to Section 906

of the

Sarbanes-Oxley Act of 2002

Name of Registrant:             ING Senior Income Fund

Date of Form N-CSR:           August 31, 2007

The undersigned, the principal executive officer of the above named registrant (the “Fund”), hereby certifies that, with respect to the Form N-CSR referred to above, to the best of his knowledge and belief, after reasonable inquiry:

1.             such Form N-CSR fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2.             the information contained in such Form N-CSR fairly presents, in all material respects, the financial condition and results of operations of the Fund.

A signed original of this written statement required by Section 906 has been provided to ING Senior Income Fund and will be retained by ING Senior Income Fund and furnished to the Securities and Exchange Commission or its staff upon request.

IN WITNESS WHEREOF, the undersigned has executed this Certification below, as of this 2^nd day of November, 2007.

/s/ Shaun P. Mathews

Shaun P. Mathews

President and Chief Executive Officer

CERTIFICATION

Pursuant to Section 906

of the

Sarbanes-Oxley Act of 2002

Name of Registrant:             ING Senior Income Fund

Date of Form N-CSR:           August 31, 2007

The undersigned, the principal financial officer of the above named registrant (the “Fund”), hereby certifies that, with respect to the Form N-CSR referred to above, to the best of his knowledge and belief, after reasonable inquiry:

1.             such Form N-CSR fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2.             the information contained in such Form N-CSR fairly presents, in all material respects, the financial condition and results of operations of the Fund.

A signed original of this written statement required by Section 906 has been provided to ING Senior Income Fund and will be retained by ING Senior Income Fund and furnished to the Securities and Exchange Commission or its staff upon request.

IN WITNESS WHEREOF, the undersigned has executed this Certification below, as of this 2^nd day of November, 2007.

/s/ Todd Modic

Todd Modic

Senior Vice President and
Chief Financial Officer