N-CEN: Filer Information

Filer CIK

0001059386

Filer CCC

********

Filer Investment Company Type

Form N-2 Filer (Closed-End Investment Company)

Is this a LIVE or TEST Filing?

LIVE

TEST

Is this an electronic copy of an official filing submitted in paper format?

Submission Contact Information

Name

Phone

E-Mail Address

Notification Information

Notify via Filing Website only?

N-CEN:Part A: General Information

Item A.1. Reporting period covered.

a. Report for period ending:

2026-02-28

b. Does this report cover a period of less than 12 months?

Yes

N-CEN:Part B: Information About the Registrant

Item B.1. Background information.

a. Full name of Registrant

Invesco Senior Income Trust

b. Investment Company Act file number ( e.g., 811-)

811-08743

c. CIK

0001059386

d. LEI

549300C38VE5Y5R75E56

Item B.2. Address and telephone number of Registrant.

a. Street 1

1331 Spring Street NW

Street 2

Suite 2500

b. City

Atlanta

c. State, if applicable

GEORGIA

d. Foreign country, if applicable

UNITED STATES OF AMERICA

e. Zip code and zip code extension, or foreign postal code

30309

f. Telephone number (including country code if foreign)

14048920896

g. Public Website, if any

www.invesco.com

Item B.3. Location of books and records.

Instruction. Provide the requested information for each person maintaining physical possession of each account, book, or other document required to be maintained by section 31(a) of the Act (15 U.S.C. 80a-30(a)) and the rules under that section.

Location books Record: 1

a. Name of person (e.g., a custodian of records)

Invesco Advisers, Inc.

b. Street 1

1331 Spring Street NW

Street 2

Suite 2500

c. City

Atlanta

d. State, if applicable

GEORGIA

e. Foreign country, if applicable

UNITED STATES OF AMERICA

f. Zip code and zip code extension, or foreign postal code

30309

g. Telephone number (including country code if foreign)

14048920896

h. Briefly describe the books and records kept at this location:

CERTAIN FINANCIAL, PORTFOLIO MANAGEMENT AND CLIENT-RELATED RECORDS.

Item B.4. Initial or final filings.

Instruction. Respond "yes" to Item B.4.b only if the Registrant has filed an application to deregister or will file an application to deregister before its next required filing on this form.

a. Is this the first filing on this form by the Registrant?

Yes

b. Is this the last filing on this form by the Registrant?

Yes

Item B.5. Family of investment companies.

Instruction. "Family of investment companies" means, except for insurance company separate accounts, any two or more registered investment companies that (i) share the same investment adviser or principal underwriter; and (ii) hold themselves out to investors as related companies for purposes of investment and investor services.In responding to this item, all Registrants in the family of investment companies should report the name of the family of investment companies identically.

Insurance company separate accounts that may not hold themselves out to investors as related companies (products) for purposes of investment and investor services should consider themselves part of the same family if the operational or accounting or control systems under which these entities function are substantially similar.

a. Is the Registrant part of a family of investment companies?

Yes

i. Full name of family of investment companies

INVESCOFDS

Item B.6. Organization.

Instruction. For Item B.6.a.i., the Registrant should include all Series that have been established by the Registrant and have shares outstanding (other than shares issued in connection with an initial investment to satisfy section 14(a) of the Act).

Indicate the classification of the Registrant by checking the applicable item below.

a. Open-end management investment company registered under the Act on Form N-1A
Checkbox checked

b. Closed-end management investment company registered under the Act on Form N-2
Checkbox not checked

c. Separate account offering variable annuity contracts which is registered under the Act as a management investment company on Form N-3
Checkbox not checked

d. Separate account offering variable annuity contracts which is registered under the Act as a unit investment trust on Form N-4
Checkbox not checked

e. Small business investment company registered under the Act on Form N-5
Checkbox not checked

f. Separate account offering variable insurance contracts which is registered under the Act as a unit investment trust on Form N-6
Checkbox not checked

g. Unit investment trust registered under the Act on Form N-8B-2

Item B.7. Securities Act registration.

Is the Registrant the issuer of a class of securities registered under the Securities Act of 1933 ("Securities Act")?

Yes

Item B.8. Directors.

Provide the information requested below about each person serving as director of the Registrant (management investment companies only):

Director Record: 1

a. Full Name

Anthony J. LaCava, Jr.

b. CRD number, if any

N/A

c. Is the person an "interested person" of the Registrant as that term is defined in section 2(a)(19) of the Act (15 U.S.C. 80a-2(a)(19))?

Yes

d. Investment Company Act file number of any other registered investment company for which the person also serves as a director (e.g., 811-)

File Number Record: 1

File Number Record:

N/A

Director Record: 2

a. Full Name

Beth Ann Brown

b. CRD number, if any

N/A

c. Is the person an "interested person" of the Registrant as that term is defined in section 2(a)(19) of the Act (15 U.S.C. 80a-2(a)(19))?

Yes

d. Investment Company Act file number of any other registered investment company for which the person also serves as a director (e.g., 811-)

File Number Record: 1

File Number Record:

N/A

Director Record: 3

a. Full Name

Carol Deckbar

b. CRD number, if any

N/A

c. Is the person an "interested person" of the Registrant as that term is defined in section 2(a)(19) of the Act (15 U.S.C. 80a-2(a)(19))?

Yes

d. Investment Company Act file number of any other registered investment company for which the person also serves as a director (e.g., 811-)

File Number Record: 1

File Number Record:

N/A

Director Record: 4

a. Full Name

Cynthia Hostetler

b. CRD number, if any

N/A

c. Is the person an "interested person" of the Registrant as that term is defined in section 2(a)(19) of the Act (15 U.S.C. 80a-2(a)(19))?

Yes

d. Investment Company Act file number of any other registered investment company for which the person also serves as a director (e.g., 811-)

File Number Record: 1

File Number Record:

N/A

Director Record: 5

a. Full Name

Daniel S. Vandivort

b. CRD number, if any

N/A

c. Is the person an "interested person" of the Registrant as that term is defined in section 2(a)(19) of the Act (15 U.S.C. 80a-2(a)(19))?

Yes

d. Investment Company Act file number of any other registered investment company for which the person also serves as a director (e.g., 811-)

File Number Record: 1

File Number Record:

N/A

Director Record: 6

a. Full Name

Douglas Sharp

b. CRD number, if any

N/A

c. Is the person an "interested person" of the Registrant as that term is defined in section 2(a)(19) of the Act (15 U.S.C. 80a-2(a)(19))?

Yes

d. Investment Company Act file number of any other registered investment company for which the person also serves as a director (e.g., 811-)

File Number Record: 1

File Number Record:

N/A

Director Record: 7

a. Full Name

Edward Perkin

b. CRD number, if any

N/A

c. Is the person an "interested person" of the Registrant as that term is defined in section 2(a)(19) of the Act (15 U.S.C. 80a-2(a)(19))?

Yes

d. Investment Company Act file number of any other registered investment company for which the person also serves as a director (e.g., 811-)

File Number Record: 1

File Number Record:

N/A

Director Record: 8

a. Full Name

Eli Jones

b. CRD number, if any

N/A

c. Is the person an "interested person" of the Registrant as that term is defined in section 2(a)(19) of the Act (15 U.S.C. 80a-2(a)(19))?

Yes

d. Investment Company Act file number of any other registered investment company for which the person also serves as a director (e.g., 811-)

File Number Record: 1

File Number Record:

N/A

Director Record: 9

a. Full Name

Elizabeth Krentzman

b. CRD number, if any

N/A

c. Is the person an "interested person" of the Registrant as that term is defined in section 2(a)(19) of the Act (15 U.S.C. 80a-2(a)(19))?

Yes

d. Investment Company Act file number of any other registered investment company for which the person also serves as a director (e.g., 811-)

File Number Record: 1

File Number Record:

N/A

Director Record: 10

a. Full Name

James (Jim) Liddy

b. CRD number, if any

N/A

c. Is the person an "interested person" of the Registrant as that term is defined in section 2(a)(19) of the Act (15 U.S.C. 80a-2(a)(19))?

Yes

d. Investment Company Act file number of any other registered investment company for which the person also serves as a director (e.g., 811-)

File Number Record: 1

File Number Record:

N/A

Director Record: 11

a. Full Name

Jeffrey H. Kupor

b. CRD number, if any

N/A

c. Is the person an "interested person" of the Registrant as that term is defined in section 2(a)(19) of the Act (15 U.S.C. 80a-2(a)(19))?

Yes

d. Investment Company Act file number of any other registered investment company for which the person also serves as a director (e.g., 811-)

File Number Record: 1

File Number Record:

N/A

Director Record: 12

a. Full Name

Teresa M. Ressel

b. CRD number, if any

N/A

c. Is the person an "interested person" of the Registrant as that term is defined in section 2(a)(19) of the Act (15 U.S.C. 80a-2(a)(19))?

Yes

d. Investment Company Act file number of any other registered investment company for which the person also serves as a director (e.g., 811-)

File Number Record: 1

File Number Record:

N/A

Item B.9. Chief compliance officer.

Provide the information requested below about each person serving as chief compliance officer of the Registrant for purposes of rule 38a-1 (17 CFR 270.38a- 1):

Chief compliance officer Record: 1

a. Full Name

Todd F. Kuehl

b. CRD Number, if any

003028989

c. Street Address 1

1331 Spring Street NW

Street Address 2

Suite 2500

d. City

Atlanta

e. State, if applicable

GEORGIA

f. Foreign country, if applicable

UNITED STATES OF AMERICA

g. Zip code and zip code extension, or foreign postal code

30309

h. Telephone number (including country code if foreign)

XXXXXX

i. Has the chief compliance officer changed since the last filing?

Yes

If the chief compliance officer is compensated or employed by any person other than the Registrant, or an affiliated person of the Registrant, for providing chief compliance officer services, provide:

CCO employer Record: 1

i. Name of the person

N/A

ii. Person's IRS Employer Identification Number

N/A

Item B.10. Matters for security holder vote.

Instruction. Registrants registered on Forms N-3, N-4 or N-6, should respond "yes" to this Item only if security holder votes were solicited on contract-level matters.

Were any matters submitted by the Registrant for its security holders' vote during the reporting period?

Yes

a. If yes, and to the extent the response relates only to certain series of the Registrant, indicate the series involved:

Security Matter Series info Record: 1

1. Series name

Invesco Senior Income Trust

2. Series identification number

N/A

Item B.11. Legal proceeding.

Instruction. For purposes of this Item, the following proceedings should be described: (1) any bankruptcy, receivership or similar proceeding with respect to the Registrant or any of its significant subsidiaries; (2) any proceeding to which any director, officer or other affiliated person of the Registrant is a party adverse to the Registrant or any of its subsidiaries; and (3) any proceeding involving the revocation or suspension of the right of the Registrant to sell securities.

a. Have there been any material legal proceedings, other than routine litigation incidental to the business, to which the Registrant or any of its subsidiaries was a party or of which any of their property was the subject during the reporting period?

Yes

b. Has any proceeding previously reported been terminated?

Yes

Item B.12. Fidelity bond and insurance (management investment companies only).

a. Were any claims with respect to the Registrant filed under a fidelity bond (including, but not limited to, the fidelity insuring agreement of the bond) during the reporting period?

Yes

Item B.13. Directors and officers/errors and omissions insurance (management investment companies only).

a. Are the Registrant's officers or directors covered in their capacities as officers or directors under any directors and officers/errors and omissions insurance policy owned by the Registrant or anyone else?

Yes

i. If yes, were any claims filed under the policy during the reporting period with respect to the Registrant?

Yes

Item B.14. Provision of financial support.

Instruction. For purposes of this Item, a provision of financial support includes any (1) capital contribution, (2) purchase of a security from a Money Market Fund in reliance on rule 17a-9 under the Act (17 CFR 270.17a-9), (3) purchase of any defaulted or devalued security at fair value reasonably intended to increase or stabilize the value or liquidity of the Registrant's portfolio, (4) execution of letter of credit or letter of indemnity, (5) capital support agreement (whether or not the Registrant ultimately received support), (6) performance guarantee, or (7) other similar action reasonably intended to increase or stabilize the value or liquidity of the Registrant's portfolio. Provision of financial support does not include any (1) routine waiver of fees or reimbursement of Registrant's expenses, (2) routine inter-fund lending, (3) routine inter-fund purchases of Registrant's shares, or (4) action that would qualify as financial support as defined above, that the board of directors has otherwise determined not to be reasonably intended to increase or stabilize the value or liquidity of the Registrant's portfolio.

Did an affiliated person, promoter, or principal underwriter of the Registrant, or an affiliated person of such a person, provide any form of financial support to the Registrant during the reporting period?

Yes

Item B.15. Exemptive orders.

a. During the reporting period, did the Registrant rely on any orders from the Commission granting an exemption from one or more provisions of the Act, Securities Act or Exchange Act?

Yes

Release number Record: 1

i. If yes, provide below the release number for each order

IC-19568

Release number Record: 2

i. If yes, provide below the release number for each order

IC-21817

Release number Record: 3

i. If yes, provide below the release number for each order

IC-22697

Release number Record: 4

i. If yes, provide below the release number for each order

IC-24212

Item B.16. Principal underwriters.

a. Provide the information requested below about each principal underwriter:

Principal underwriter Record: 1

i. Full name

Invesco Distributors, Inc.

ii. SEC file number (e.g., 8-)

008-21323

iii. CRD number

000007369

iv. Identifying number(s)

LEI

549300MMQ0VME3893U33

RSSD ID

v. State, if applicable

TEXAS

vi. Foreign country, if applicable

UNITED STATES OF AMERICA

vii. Is the principal underwriter an affiliated person of the Registrant, or its investment adviser(s) or depositor?

Yes

b. Have any principal underwriters been hired or terminated during the reporting period?

Yes

Item B.17. Independent public accountant.

Provide the following information about each independent public accountant:

Public accountant Record: 1

a. Full Name

PricewaterhouseCoopers LLP

b. PCAOB Number

238

c. Identifying number(s)

LEI

5493002GVO7EO8RNNS37

RSSD ID

d. State, if applicable

TEXAS

e. Foreign country, if applicable

UNITED STATES OF AMERICA

f. Has the independent public accountant changed since the last filing?

Yes

Item B.18. Report on internal control (management investment companies only).

Instruction. Small business investment companies are not required to respond to this item.

For the reporting period, did an independent public accountant's report on internal control note any material weaknesses?

Yes

Item B.19. Audit opinion.

For the reporting period, did an independent public accountant issue an opinion other than an unqualified opinion with respect to its audit of the Registrant's financial statements?

Yes

Item B.20. Change in valuation methods.

Instruction. Responses to this item need not include changes to valuation techniques used for individual securities (e.g., changing from market approach to income approach for a private equity security). In responding to Item B.20.c., provide the applicable "asset type" category specified in Item C.4.a. of Form N-PORT. In responding to Item B.20.d., provide a brief description of the type of investments involved. If the change in valuation methods applies only to certain sub-asset types included in the response to Item B.20.c., please provide the sub-asset types in the response to Item B.20.d. The responses to Item B.20.c. and Item B.20.d. should be identical only if the change in valuation methods applies to all assets within that category.

Have there been material changes in the method of valuation (e.g., change from use of bid price to mid price for fixed income securities or change in trigger threshold for use of fair value factors on international equity securities) of the Registrant's assets during the reporting period?

Yes

If yes, provide the following:

Valuation methods change Record: 1

a. Date of Change

2025-08-01

b. Explanation of the change

Houlihan Lokey Financial Advisors, Inc. added as an additional vendor source for private security valuations

c. Asset type involved

1. Short-term investment vehicle
Radio button not checked

2. Repurchase agreement
Radio button not checked

3. Equity-common
Radio button not checked

4. Equity-preferred
Radio button checked

5. Debt

6. Derivative-commodity
Radio button not checked

7. Derivative-credit
Radio button not checked

8. Derivative-equity
Radio button not checked

9. Derivative-foreign exchange
Radio button not checked

10. Derivative-interest rate
Radio button not checked

11. Derivative-other
Radio button not checked

12. Structured note
Radio button not checked

13. Loan

14. ABS-mortgage backed security
Radio button not checked

15. ABS-asset backed commercial paper
Radio button not checked

16. ABS-collateralized bond/debt obligation
Radio button not checked

17. ABS-other
Radio button not checked

18. Commodity
Radio button not checked

19. Real estate
Radio button not checked

20. Other

d. Types of investments involved

Private Placement

e. Statutory or regulatory basis, if any

N/A

f. To the extent the response relates only to certain series of the Registrant, indicate the series involved:

Valuation methods change Record: 2

a. Date of Change

2025-08-01

b. Explanation of the change

Houlihan Lokey Financial Advisors, Inc. added as an additional vendor source for private security valuations

c. Asset type involved

1. Short-term investment vehicle
Radio button not checked

2. Repurchase agreement
Radio button checked

3. Equity-common
Radio button not checked

4. Equity-preferred
Radio button not checked

5. Debt

6. Derivative-commodity
Radio button not checked

7. Derivative-credit
Radio button not checked

8. Derivative-equity
Radio button not checked

9. Derivative-foreign exchange
Radio button not checked

10. Derivative-interest rate
Radio button not checked

11. Derivative-other
Radio button not checked

12. Structured note
Radio button not checked

13. Loan

14. ABS-mortgage backed security
Radio button not checked

15. ABS-asset backed commercial paper
Radio button not checked

16. ABS-collateralized bond/debt obligation
Radio button not checked

17. ABS-other
Radio button not checked

18. Commodity
Radio button not checked

19. Real estate
Radio button not checked

20. Other

d. Types of investments involved

private placements

e. Statutory or regulatory basis, if any

N/A

f. To the extent the response relates only to certain series of the Registrant, indicate the series involved:

Valuation methods change Record: 3

a. Date of Change

2025-08-01

b. Explanation of the change

Houlihan Lokey Financial Advisors, Inc. added as an additional vendor source for private security valuations

c. Asset type involved

1. Short-term investment vehicle
Radio button not checked

2. Repurchase agreement
Radio button not checked

3. Equity-common
Radio button not checked

4. Equity-preferred
Radio button not checked

5. Debt

6. Derivative-commodity
Radio button not checked

7. Derivative-credit
Radio button not checked

8. Derivative-equity
Radio button not checked

9. Derivative-foreign exchange
Radio button not checked

10. Derivative-interest rate
Radio button not checked

11. Derivative-other
Radio button not checked

12. Structured note
Radio button not checked

13. Loan

14. ABS-mortgage backed security
Radio button not checked

15. ABS-asset backed commercial paper
Radio button not checked

16. ABS-collateralized bond/debt obligation
Radio button checked

17. ABS-other
Radio button not checked

18. Commodity
Radio button not checked

19. Real estate
Radio button not checked

20. Other

d. Types of investments involved

private placements

e. Statutory or regulatory basis, if any

N/A

f. To the extent the response relates only to certain series of the Registrant, indicate the series involved:

Valuation methods change Record: 4

a. Date of Change

2025-08-01

b. Explanation of the change

Houlihan Lokey Financial Advisors, Inc. added as an additional vendor source for private security valuations

c. Asset type involved

1. Short-term investment vehicle
Radio button not checked

2. Repurchase agreement
Radio button not checked

3. Equity-common
Radio button checked

4. Equity-preferred
Radio button not checked

5. Debt

6. Derivative-commodity
Radio button not checked

7. Derivative-credit
Radio button not checked

8. Derivative-equity
Radio button not checked

9. Derivative-foreign exchange
Radio button not checked

10. Derivative-interest rate
Radio button not checked

11. Derivative-other
Radio button not checked

12. Structured note
Radio button not checked

13. Loan

14. ABS-mortgage backed security
Radio button not checked

15. ABS-asset backed commercial paper
Radio button not checked

16. ABS-collateralized bond/debt obligation
Radio button not checked

17. ABS-other
Radio button not checked

18. Commodity
Radio button not checked

19. Real estate
Radio button not checked

20. Other

d. Types of investments involved

private placements

e. Statutory or regulatory basis, if any

N/A

f. To the extent the response relates only to certain series of the Registrant, indicate the series involved:

Valuation methods change Record: 5

a. Date of Change

2025-08-01

b. Explanation of the change

Houlihan Lokey Financial Advisors, Inc. added as an additional vendor source for private security valuations

c. Asset type involved

1. Short-term investment vehicle
Radio button not checked

2. Repurchase agreement
Radio button not checked

3. Equity-common
Radio button not checked

4. Equity-preferred
Radio button not checked

5. Debt

6. Derivative-commodity
Radio button not checked

7. Derivative-credit
Radio button not checked

8. Derivative-equity
Radio button not checked

9. Derivative-foreign exchange
Radio button not checked

10. Derivative-interest rate
Radio button not checked

11. Derivative-other
Radio button not checked

12. Structured note
Radio button checked

13. Loan

14. ABS-mortgage backed security
Radio button not checked

15. ABS-asset backed commercial paper
Radio button not checked

16. ABS-collateralized bond/debt obligation
Radio button not checked

17. ABS-other
Radio button not checked

18. Commodity
Radio button not checked

19. Real estate
Radio button not checked

20. Other

d. Types of investments involved

private placements

e. Statutory or regulatory basis, if any

N/A

f. To the extent the response relates only to certain series of the Registrant, indicate the series involved:

Item B.21. Change in accounting principles and practices.

Have there been any changes in accounting principles or practices, or any change in the method of applying any such accounting principles or practices, which will materially affect the financial statements filed or to be filed for the current year with the Commission and which has not been previously reported?

Yes

Item B.23. Rule 19a-1 notice (management investment companies only).

During the reporting period, did the Registrant pay any dividend or make any distribution in the nature of a dividend payment, required to be accompanied by a written statement pursuant to section 19(a) of the Act (15 U.S.C. 80a-19(a)) and rule 19a-1 thereunder (17 CFR 270.19a-1)?

Yes

Payment dividend series info Record: 1

a. If yes, and to the extent the response relates only to certain series of the Registrant, indicate the series involved:

i. Series name

Invesco Senior Income Trust

ii. Series identification number

N/A

N-CEN:Part C: Additional Questions for Management Investment Companies

General Instruction.

Management investment companies that offer multiple series must complete Part C as to each series separately, even if some information is the same for two or more series. To begin this section or add an additional series(s), click on the bar labeled "Add a New Series" below.

Management Investment Record: 1

Item C.1. Background information.

a. Full Name of the Fund

Invesco Senior Income Trust

b. Series identication number, if any

c. LEI

549300C38VE5Y5R75E56

d. Is this the first filing on this form by the Fund?

Yes

Item C.2. Classes of open-end management investment companies.

a. How many Classes of shares of the Fund (if any) are authorized?

b. How many new Classes of shares of the Fund were added during the reporting period?

c. How many Classes of shares of the Fund were terminated during the reporting period?

d. For each Class with shares outstanding, provide the information requested below:

Item C.3. Type of fund.

Instructions. 1. "Fund of Funds" means a fund that acquires securities issued by any other investment company in excess of the amounts permitted under paragraph (A) of section 12(d)(1) of the Act (15 U.S.C. 80a-12(d)(1)(A)), but, for purposes of this Item, does not include a fund that acquires securities issued by another company solely in reliance on rule 12d1-1 under the Act (CFR 270.12d1-1). 2. "Index Fund" means an investment company, including an Exchange-Traded Fund, that seeks to track the performance of a specified index. 3. "Interval Fund" means a closed-end management investment company that makes periodic repurchases of its shares pursuant to rule 23c-3 under the Act (17 CFR 270.23c-3). 4. "Master-Feeder Fund" means a two-tiered arrangement in which one or more funds (each a feeder fund) holds shares of a single Fund (the master fund) in accordance with section 12(d)(1)(E) of the Act (15 U.S.C. 80a-12(d)(1)(E)) or pursuant to exemptive relief granted by the Commission. 5. "Target Date Fund" means an investment company that has an investment objective or strategy of providing varying degrees of long-term appreciation and capital preservation through a mix of equity and fixed income exposures that changes over time based on an investor's age, target retirement date, or life expectancy.

Indicate if the Fund is any one of the types listed below. Check all that apply.

a. Exchange-Traded Fund or Exchange-Traded Managed Fund or offers a Class that itself is an Exchange-Traded Fund or Exchange-Traded Managed Fund
i. Checkbox not checked

Exchange-Traded Fund
ii. Checkbox not checked

Exchange-Traded Managed Fund
b. Checkbox not checked

Index Fund

c. Checkbox not checked

Seeks to achieve performance results that are a multiple of a benchmark, the inverse of a benchmark, or a multiple of the inverse of a benchmark
d. Checkbox not checked

Interval Fund
e. Checkbox not checked

Fund of Funds
f. Checkbox not checked

Master-Feeder Fund
g. Checkbox not checked

Money Market Fund
h. Checkbox not checked

Target Date Fund
i. Checkbox not checked

Underlying fund to a variable annuity or variable life insurance contract
Checkbox checked

N/A

Item C.4. Diversification.

Does the Fund seek to operate as a “non-diversified company” as such term is defined in section 5(b)(2) of the Act (15 U.S.C. 80a- 5(b) (2))?

Yes

Item C.5. Investments in certain foreign corporations.

Instruction. "Controlled foreign corporation" has the meaning provided in section 957 of the Internal Revenue Code [26 U.S.C. 957].

a. Does the fund invest in a controlled foreign corporation for the purpose of investing in certain types of instruments such as, but not limited to, commodities?

Yes

Item C.6. Securities lending.

Instruction. For purposes of this Item, other adverse impacts would include, for example, (1) a loss to the Fund if collateral and indemnification were not sufficient to replace the loaned securities or their value, (2) the Fund's ineligibility to vote shares in a proxy, or (3) the Fund's ineligibility to receive a direct distribution from the issuer.

a. Is the Fund authorized to engage in securities lending transactions?

Yes

b. Did the Fund lend any of its securities during the reporting period?

Yes

c. Provide the information requested below about each securities lending agent, if any, retained by the Fund:

i. Full name of securities lending agent

ii. Identifying number(s)

LEI

RSSD ID

iii. Is the securities lending agent an affiliated person, or an affiliated person of an affiliated person, of the Fund?

Yes

iv. Does the securities lending agent or any other entity indemnify the fund against borrower default on loans administered by this agent?

Yes

v. If the entity providing the indemnification is not the securities lending agent, provide the following information:

1. Name of person providing indemnification

2. Identifying number(s)

LEI

RSSD ID

vi. Did the Fund exercise its indemnification rights during the reporting period?

Yes

d. If a person providing cash collateral management services to the Fund in connection with the Fund's securities lending activities does not also serve as securities lending agent, provide the following information about each cash collateral manager:

i. Full name of cash collateral manager:

ii. Identifying number(s)

LEI

RSSD ID

iii. Is the cash collateral manager an affiliated person, or an affiliated person of an affiliated person, of a securities lending agent retained by the Fund?

Yes

iv. Is the cash collateral manager an affiliated person, or an affiliated person of an affiliated person, of the Fund?

Yes

e. Types of payments made to one or more securities lending agents and cash collateral managers (check all that apply):

i. Revenue sharing split
Checkbox not checked

ii. Non-revenue sharing split (other than administrative fee)
Checkbox not checked

iii. Administrative fee
Checkbox not checked

iv. Cash collateral reinvestment fee
Checkbox not checked

v. Indemnification fee
Checkbox not checked

vi. Other

N/A

f. Provide the monthly average of the value of portfolio securities on loan during the reporting period

N/A

g. Provide the net income from securities lending activities

N/A

Item C.7. Reliance on certain statutory exemption and rules.

Did the Fund rely on the following statutory exemption or any of the rules under the Act during the reporting period? (check all that apply)

a. Rule 10f-3 (17 CFR 270.10f-3)
Checkbox checked

b. Rule 12d1-1 (17 CFR 270.12d1-1)
Checkbox not checked

c. Rule 15a-4 (17 CFR 270.15a-4)
Checkbox not checked

d. Rule 17a-6 (17 CFR 270.17a-6)
Checkbox not checked

e. Rule 17a-7 (17 CFR 270.17a-7)
Checkbox not checked

f. Rule 17a-8 (17 CFR 270.17a-8)
Checkbox not checked

g. Rule 17e-1 (17 CFR 270.17e-1)
Checkbox not checked

h. Rule 22d-1 (17 CFR 270.22d-1)
Checkbox not checked

i. Rule 23c-1 (17 CFR 270.23c-1)
Checkbox checked

j. Rule 32a-4 (17 CFR 270.32a-4)
Checkbox not checked

k. Rule 6c-11 (17 CFR 270.6c-11)
Checkbox not checked

l. Rule 12d1-4 (17 CFR 270.12d1-4)
Checkbox not checked

m. Section 12(d)(1)(G) of the Act (15 USC 80a-12(d)(1)(G))
Checkbox checked

n. Rule 18f-4 (17 CFR 270.18f-4)

Is the Fund excepted from the rule 18f-4 (17 CFR 270.18f-4) program requirement and limit on fund leverage risk under rule 18f-4(c)(4) (17CFR 270.18f-4(c)(4))?

ii.

Is the Fund a leveraged/inverse fund that, under rule 18f-4(c)(5) (17 CFR 270.18f-4(c)(5)), is excepted from the requirement to comply with the limit on fund leverage risk described in rule 18f-4(c)(2) (17 CFR 270.18f-4(c)(2))?

iii.

Did the Fund enter into any reverse repurchase agreements or similar financing transactions under rule 18f-4(d)(i) (17 CFR 270.18f-4(d)(i))?

iv.

Did the Fund enter into any reverse repurchase agreements or similar financing transactions under rule 18f-4(d)(ii) (17 CFR 270.18f-4(d)(ii))?

Did the Fund enter into any unfunded commitment agreements under rule 18f-4(e) (17 CFR 270.18f-4(e))?

vi.

Did the Fund invest in a security on a when-issued or forward-settling basis, or with a non-standard settlement cycle, in reliance on rule 18f-4(f) (17 CFR 270.18f-4(f))?

N/A

Item C.8. Expense limitations.

Instruction. Provide information concerning any direct or indirect limitations, waivers or reductions, on the level of expenses incurred by the fund during the reporting period. A limitation, for example, may be applied indirectly (such as when an adviser agrees to accept a reduced fee pursuant to a voluntary fee waiver) or it may apply only for a temporary period such as for a new fund in its start-up phase.

a. Did the Fund have an expense limitation arrangement in place during the reporting period?

Yes

b. Were any expenses of the Fund reduced or waived pursuant to an expense limitation arrangement during the reporting period?

Yes

c. Are the fees waived subject to recoupment?

Yes

d. Were any expenses previously waived recouped during the period?

Yes

Item C.9. Investment advisers.

a. Provide the following information about each investment adviser (other than a sub-adviser) of the Fund:

Investment Advisers Record: 1

i. Full name

Invesco Advisers, Inc.

ii. SEC file number (e.g., 801-)

801-33949

iii.CRD number

000105360

iv. Identifying number(s)

LEI

O37NHJVF7S22I1ONOU83

RSSD ID

v. State, if applicable

GEORGIA

vi. Foreign country, if applicable

UNITED STATES OF AMERICA

vii. Was the investment adviser hired during the reporting period?

Yes

b. If an investment adviser (other than a sub-adviser) to the Fund was terminated during the reporting period, provide the following with respect to each investment adviser:

i. Full name

ii. SEC file number (e.g., 801-)

iii. CRD number

iv. Identifying number(s)

LEI

RSSD ID

v. State, if applicable

vi. Foreign country, if applicable

vii. Termination date

c. For each sub-adviser to the Fund, provide the information requested:

Sub Advisors Record: 1

i. Full name

Invesco Asset Management (Japan) Ltd.

ii. SEC file number (e.g., 801-), if applicable

801-52601

iii. CRD number

000107155

iv. Identifying number(s)

LEI

549300W1HDJZN5BPMH02

RSSD ID

v. State, if applicable

vi. Foreign country, if applicable

JAPAN

vii. Is the sub-adviser an affiliated person of the Fund's investment adviser(s)?

Yes

viii. Was the sub-adviser hired during the reporting period?

Yes

Sub Advisors Record: 2

i. Full name

Invesco Senior Secured Management, Inc.

ii. SEC file number (e.g., 801-), if applicable

801-38119

iii. CRD number

000107590

iv. Identifying number(s)

LEI

3FYT3RWGZKJBHC3GB850

RSSD ID

v. State, if applicable

NEW YORK

vi. Foreign country, if applicable

UNITED STATES OF AMERICA

vii. Is the sub-adviser an affiliated person of the Fund's investment adviser(s)?

Yes

viii. Was the sub-adviser hired during the reporting period?

Yes

Sub Advisors Record: 3

i. Full name

Invesco Hong Kong Ltd.

ii. SEC file number (e.g., 801-), if applicable

801-47856

iii. CRD number

000109923

iv. Identifying number(s)

LEI

5493001YEU7254KG2F83

RSSD ID

v. State, if applicable

vi. Foreign country, if applicable

HONG KONG

vii. Is the sub-adviser an affiliated person of the Fund's investment adviser(s)?

Yes

viii. Was the sub-adviser hired during the reporting period?

Yes

Sub Advisors Record: 4

i. Full name

Invesco Asset Management Ltd.

ii. SEC file number (e.g., 801-), if applicable

801-50197

iii. CRD number

000109985

iv. Identifying number(s)

LEI

X87LBO0OFEU7S3WI0T57

RSSD ID

v. State, if applicable

vi. Foreign country, if applicable

UNITED KINGDOM OF GREAT BRITAIN AND NORTHERN IRELAND

vii. Is the sub-adviser an affiliated person of the Fund's investment adviser(s)?

Yes

viii. Was the sub-adviser hired during the reporting period?

Yes

Sub Advisors Record: 5

i. Full name

Invesco Canada Ltd.

ii. SEC file number (e.g., 801-), if applicable

801-62166

iii. CRD number

000126572

iv. Identifying number(s)

LEI

9F443AVI6KXI3MYCLS29

RSSD ID

v. State, if applicable

vi. Foreign country, if applicable

CANADA (FEDERAL LEVEL)

vii. Is the sub-adviser an affiliated person of the Fund's investment adviser(s)?

Yes

viii. Was the sub-adviser hired during the reporting period?

Yes

Sub Advisors Record: 6

i. Full name

Invesco Management S.A.

ii. SEC file number (e.g., 801-), if applicable

801-67712

iii. CRD number

000143238

iv. Identifying number(s)

LEI

549300VDSJEXPNC5A615

RSSD ID

v. State, if applicable

vi. Foreign country, if applicable

LUXEMBOURG

vii. Is the sub-adviser an affiliated person of the Fund's investment adviser(s)?

Yes

viii. Was the sub-adviser hired during the reporting period?

Yes

d. If a sub-adviser was terminated during the reporting period, provide the following with respect to such sub-adviser:

i. Full name

ii. SEC file number (e.g., 801-)

iii. CRD number

iv. Identifying number(s)

LEI

RSSD ID

v. State, if applicable

vi. Foreign country, if applicable

vii. Termination date

Item C.10. Transfer agents.

a. Provide the following information about each person providing transfer agency services to the Fund:

Transfer Agents Record: 1

i. Full name

Computershare Trust Company, N.A.

ii.SEC file number (e.g., 84- or 85-)

085-11340

iii. Identifying number(s)

LEI

2549001YYB62BVMSAO13

RSSD ID

iv. State, if applicable

MASSACHUSETTS

v. Foreign country, if applicable

UNITED STATES OF AMERICA

vi. Is the transfer agent an affiliated person of the Fund or its investment adviser(s)?

Yes

vii. Is the transfer agent a sub-transfer agent?

Yes

b. Has a transfer agent been hired or terminated during the reporting period?

Yes

Item C.11. Pricing services.

a. Provide the following information about each person that provided pricing services to the Fund during the reporting period:

Pricing Services Record: 1

i. Full name

Houlihan Lokey Financial Advisors, Inc.

ii. Identifying number(s)

LEI

N/A

RSSD ID

Other identifying number

93-3260948

Description of other identifying number

Federal Tax Identification Number

iii. State, if applicable

CALIFORNIA

iv. Foreign country, if applicable

UNITED STATES OF AMERICA

v. Is the pricing service an affiliated person of the Fund or its investment adviser(s)?

Yes

Pricing Services Record: 2

i. Full name

ICE Data Services, Inc.

ii. Identifying number(s)

LEI

N/A

RSSD ID

Other identifying number

13-3668779

Description of other identifying number

Federal Tax Identification Number

iii. State, if applicable

DELAWARE

iv. Foreign country, if applicable

UNITED STATES OF AMERICA

v. Is the pricing service an affiliated person of the Fund or its investment adviser(s)?

Yes

Pricing Services Record: 3

i. Full name

Lincoln Partners LLC

ii. Identifying number(s)

LEI

N/A

RSSD ID

Other identifying number

20-2700147

Description of other identifying number

Federal Tax Identification Number

iii. State, if applicable

ILLINOIS

iv. Foreign country, if applicable

UNITED STATES OF AMERICA

v. Is the pricing service an affiliated person of the Fund or its investment adviser(s)?

Yes

Pricing Services Record: 4

i. Full name

Lukka, Inc.

ii. Identifying number(s)

LEI

54930025EDAUL0GDXE81

RSSD ID

Other identifying number

Description of other identifying number

iii. State, if applicable

FLORIDA

iv. Foreign country, if applicable

UNITED STATES OF AMERICA

v. Is the pricing service an affiliated person of the Fund or its investment adviser(s)?

Yes

Pricing Services Record: 5

i. Full name

Markit North America, Inc

ii. Identifying number(s)

LEI

549300HLPTRASHS0E726

RSSD ID

Other identifying number

Description of other identifying number

iii. State, if applicable

NEW YORK

iv. Foreign country, if applicable

UNITED STATES OF AMERICA

v. Is the pricing service an affiliated person of the Fund or its investment adviser(s)?

Yes

Pricing Services Record: 6

i. Full name

Milliman, Inc.

ii. Identifying number(s)

LEI

E26C2WHERBI2OAGBGT21

RSSD ID

Other identifying number

Description of other identifying number

iii. State, if applicable

WASHINGTON

iv. Foreign country, if applicable

UNITED STATES OF AMERICA

v. Is the pricing service an affiliated person of the Fund or its investment adviser(s)?

Yes

Pricing Services Record: 7

i. Full name

Pricing Direct, Inc.

ii. Identifying number(s)

LEI

549300WIC0TOJ7N7GD54

RSSD ID

Other identifying number

Description of other identifying number

iii. State, if applicable

DELAWARE

iv. Foreign country, if applicable

UNITED STATES OF AMERICA

v. Is the pricing service an affiliated person of the Fund or its investment adviser(s)?

Yes

Pricing Services Record: 8

i. Full name

Refinitiv

ii. Identifying number(s)

LEI

N/A

RSSD ID

Other identifying number

20-4530702

Description of other identifying number

Federal Tax Identification Number

iii. State, if applicable

DELAWARE

iv. Foreign country, if applicable

UNITED STATES OF AMERICA

v. Is the pricing service an affiliated person of the Fund or its investment adviser(s)?

Yes

b. Was a pricing service hired or terminated during the reporting period?

Yes

Item C.12. Custodians.

a. Provide the following information about each person that provided custodial services to the Fund during the reporting period:

Custodians Record: 1

i. Full name

AB SEB bankas

ii. Identifying number(s)

LEI

549300SBPFE9JX7N8J82

RSSD ID

iii. State, if applicable

iv. Foreign country, if applicable

LITHUANIA

v. Is the custodian an affiliated person of the Fund or its investment adviser(s)?

Yes

vi. Is the custodian a sub-custodian?

Yes

vii. With respect to the custodian, check below to indicate the type of custody:

1.Bank - section 17(f)(1) (15 U.S.C. 80a-17(f)(1))
Radio button not checked

2.Member national securities exchange - rule 17f-1 (17 CFR 270.17f-1)
Radio button not checked

3.Self - rule 17f-2 (17 CFR 270.17f-2)
Radio button not checked

4.Securities depository - rule 17f-4 (17 CFR 270.17f-4)
Radio button checked

5.Foreign custodian - rule 17f-5 (17 CFR 270.17f-5)
Radio button not checked

6.Futures commission merchants and commodity clearing organizations - rule 17f-6 (17 CFR 270.17f-6)
Radio button not checked

7.Foreign securities depository - rule 17f-7 (17 CFR 270.17f-7)
Radio button not checked

8.Insurance company sponsor - rule 26a-2 (17 CFR 270.26a-2)
Radio button not checked

9.Other

Custodians Record: 2

i. Full name

AO Citibank

ii. Identifying number(s)

LEI

CHSQDSVI1UI96Y2SW097

RSSD ID

iii. State, if applicable

iv. Foreign country, if applicable

RUSSIAN FEDERATION

SEC Form N-CEN filed by Invesco Senior Income Trust