GBDC

SEC source: 0001476765-26-000068 · wk-form4_1786482938.xml · nonDerivative · entry 1

Golub David · CIK 0001298389 · Director · Chairman & CEO

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEMS Fund 4, L.P.

Disclosed balance after: 0

F1 · ownership.nature: Due to his control of GEMS Fund 4, L.P., Mr. Golub may be viewed as having investment power over all of the shares owned by such entity although voting rights were passed through to the limited partners.Mr. Golub disclaims beneficial ownership of such shares of GBDC common stock held by GEMS Fund 4, L.P., except to the extent of his pecuniary interest therein.

SEC source: 0001476765-26-000069 · wk-form4_1786482962.xml · nonDerivative · entry 1

Golub Lawrence E · CIK 0001311018 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By GEMS Fund 4, L.P.

Disclosed balance after: 0

F1 · ownership.nature: Due to his control of GEMS Fund 4, L.P., Mr. Golub may be viewed as having investment power over all of the shares owed by such entity although voting rights have been passed through to the limited partners. Mr. Golub disclaims beneficial ownership of such shares of common stock held by GEMS Fund 4, L.P. except to the extent of his pecuniary interest therein.

SEC source: 0001476765-25-000049 · wk-form4_1748552114.xml · nonDerivative · entry 5

Golub Lawrence E · CIK 0001311018 · Director · Chairman

10b5-1 filing: No plan indicated

Ownership: Indirect · By GC Advisors LLC

Disclosed balance after: 0

F4 · ownership.nature: Due to his control and ownership in GGP Holdings, L.P., Mr. Golub is viewed as having investment power over all the shares owned by such entity. Due to his control and ownership in GC Advisors LLC, Mr. Golub is viewed as having investment power over all the shares owned by such entity. Mr. Golub disclaims beneficial ownership of such shares of common stock held by each of GGP Holdings, L.P. and GC Advisors LLC except to the extent of his pecuniary interest therein.

SEC source: 0001476765-25-000049 · wk-form4_1748552114.xml · nonDerivative · entry 4

Golub Lawrence E · CIK 0001311018 · Director · Chairman

10b5-1 filing: No plan indicated

Ownership: Indirect · By GC Advisors LLC

Disclosed balance after: 6,059,971.09

F4 · ownership.nature: Due to his control and ownership in GGP Holdings, L.P., Mr. Golub is viewed as having investment power over all the shares owned by such entity. Due to his control and ownership in GC Advisors LLC, Mr. Golub is viewed as having investment power over all the shares owned by such entity. Mr. Golub disclaims beneficial ownership of such shares of common stock held by each of GGP Holdings, L.P. and GC Advisors LLC except to the extent of his pecuniary interest therein.

SEC source: 0001476765-25-000049 · wk-form4_1748552114.xml · nonDerivative · entry 3

Golub Lawrence E · CIK 0001311018 · Director · Chairman

10b5-1 filing: No plan indicated

Ownership: Indirect · By Golub Onshore GP, LLC

Disclosed balance after: 0

F3 · ownership.nature: Due to his control and ownership in Golub Onshore GP, LLC, Mr. Golub is viewed as having investment power over all of the shares owned by such entity.

SEC source: 0001476765-25-000049 · wk-form4_1748552114.xml · nonDerivative · entry 2

Golub Lawrence E · CIK 0001311018 · Director · Chairman

10b5-1 filing: No plan indicated

Ownership: Indirect · By GGP Class B-P, LLC

Disclosed balance after: 0

F2 · ownership.nature: Due to his control and ownership of GGP Class B-P, LLC, Mr. Golub is viewed as having investment power over all the shares owned by such entity.

SEC source: 0001476765-25-000049 · wk-form4_1748552114.xml · nonDerivative · entry 1

Golub Lawrence E · CIK 0001311018 · Director · Chairman

10b5-1 filing: No plan indicated

Ownership: Indirect · By GCOP LLC

Disclosed balance after: 0

F1 · ownership.nature: Due to his control of and ownership interest in GCOP LLC, Mr. Golub is viewed as having investment power over all of the shares owned by such entity.

SEC source: 0001476765-25-000047 · wk-form4_1748551952.xml · nonDerivative · entry 5

Golub David · CIK 0001298389 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By GC Advisors LLC

Disclosed balance after: 0

F4 · ownership.nature: Due to his control and ownership in GC Advisors LLC, Mr. Golub is viewed as having investment power over all the shares owned by such entity. Mr. Golub disclaims beneficial ownership of such shares of common stock held by GC Advisors LLC except to the extent of his pecuniary interest therein.

SEC source: 0001476765-25-000047 · wk-form4_1748551952.xml · nonDerivative · entry 4

Golub David · CIK 0001298389 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By GC Advisors LLC

Disclosed balance after: 6,059,971.09

F4 · ownership.nature: Due to his control and ownership in GC Advisors LLC, Mr. Golub is viewed as having investment power over all the shares owned by such entity. Mr. Golub disclaims beneficial ownership of such shares of common stock held by GC Advisors LLC except to the extent of his pecuniary interest therein.

SEC source: 0001476765-25-000047 · wk-form4_1748551952.xml · nonDerivative · entry 3

Golub David · CIK 0001298389 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By Golub Onshore GP, LLC

Disclosed balance after: 0

F3 · ownership.nature: Due to his control and ownership in Golub Onshore GP, LLC, Mr. Golub is viewed as having investment power over all of the shares owned by such entity.

SEC source: 0001476765-25-000047 · wk-form4_1748551952.xml · nonDerivative · entry 2

Golub David · CIK 0001298389 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By GGP Class B-P, LLC

Disclosed balance after: 0

F2 · ownership.nature: Due to his control and ownership of GGP Class B-P, LLC, Mr. Golub is viewed as having investment power over all the shares owned by such entity.

SEC source: 0001476765-25-000047 · wk-form4_1748551952.xml · nonDerivative · entry 1

Golub David · CIK 0001298389 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By GCOP, LLC

Disclosed balance after: 0

F1 · ownership.nature: Due to his control of and ownership interest in GCOP, LLC, Mr. Golub may be viewed as having investment power over all of the shares owned by such entity.

SEC source: 0001476765-24-000144 · wk-form4_1734989152.xml · nonDerivative · entry 1

WEBSTER WILLIAM M IV · CIK 0001262866 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trust

Disclosed balance after: 414,506.63

F1 · kind: On December 20, 2024, Mr. Webster donated 7,100 shares of GBDC common stock to The Nature Conservancy.

SEC source: 0001104659-24-099781 · tm2423998-1_4seq1.xml · nonDerivative · entry 1

BAILY JOHN THOMAS · CIK 0001230667 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 83,108

F1 · shares: Reflects involuntary disposition of a fractional share effected by broker upon consolidation of brokerage accounts.

SEC source: 0001476765-24-000120 · wk-form4_1725916200.xml · nonDerivative · entry 2

Golub Lawrence E · CIK 0001311018 · Director · Chairman

10b5-1 filing: No plan indicated

Ownership: Indirect · By GGP Class B-P LLC

Disclosed balance after: 2,018,880

F3 · price: Reflects the weighted average price of purchases on September 6, 2024. The shares were purchased in multiple transactions at prices ranging from $14.70 to $14.97, inclusive.

F2 · ownership.nature: Due to his control and ownership of GGP Class B-P LLC, Mr. Golub is viewed as having investment power over all the shares owned by such entity.

SEC source: 0001476765-24-000119 · wk-form4_1725916069.xml · nonDerivative · entry 2

Golub David · CIK 0001298389 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By GGP Class B-P LLC

Disclosed balance after: 2,018,880

F3 · price: Reflects the weighted average price of purchases on September 6, 2024. The shares were purchased in multiple transactions at prices ranging from $14.70 to $14.97, inclusive.

F2 · ownership.nature: Due to his control and ownership of GGP Class B-P LLC, Mr. Golub is viewed as having investment power over all the shares owned by such entity.

SEC source: 0001476765-24-000120 · wk-form4_1725916200.xml · nonDerivative · entry 1

Golub Lawrence E · CIK 0001311018 · Director · Chairman

10b5-1 filing: No plan indicated

Ownership: Indirect · By GGP Class B-P LLC

Disclosed balance after: 1,998,880

F1 · price: Reflects the weighted average price of purchases on September 5, 2024. The shares were purchased in multiple transactions at prices ranging from $14.86 to $14.96, inclusive. Mr. Golub undertakes to provide to Golub Capital BDC, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnotes (1) and (3) to this Form 4.

F2 · ownership.nature: Due to his control and ownership of GGP Class B-P LLC, Mr. Golub is viewed as having investment power over all the shares owned by such entity.

SEC source: 0001476765-24-000119 · wk-form4_1725916069.xml · nonDerivative · entry 1

Golub David · CIK 0001298389 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By GGP Class B-P LLC

Disclosed balance after: 1,998,880

F1 · price: Reflects the weighted average price of purchases on September 5, 2024. The shares were purchased in multiple transactions at prices ranging from $14.86 to $14.96, inclusive. Mr. Golub undertakes to provide to Golub Capital BDC, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnotes (1) and (3) to this Form 4.

F2 · ownership.nature: Due to his control and ownership of GGP Class B-P LLC, Mr. Golub is viewed as having investment power over all the shares owned by such entity.

SEC source: 0001476765-24-000114 · wk-form4_1725570670.xml · nonDerivative · entry 2

Golub David · CIK 0001298389 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By GGP Class B-P LLC

Disclosed balance after: 1,978,880

F3 · price: Reflects the weighted average price of purchases on September 4, 2024. The shares were purchased in multiple transactions at prices ranging from $14.87 to $15.04, inclusive.

F2 · ownership.nature: Due to his control and ownership of GGP Class B-P LLC, Mr. Golub is viewed as having investment power over all the shares owned by such entity.

SEC source: 0001476765-24-000113 · wk-form4_1725570601.xml · nonDerivative · entry 2

Golub Lawrence E · CIK 0001311018 · Director · Chairman

10b5-1 filing: No plan indicated

Ownership: Indirect · By GGP Class B-P LLC

Disclosed balance after: 1,978,880

F3 · price: Reflects the weighted average price of purchases on September 4, 2024. The shares were purchased in multiple transactions at prices ranging from $14.87 to $15.04, inclusive.

F2 · ownership.nature: Due to his control and ownership of GGP Class B-P LLC, Mr. Golub is viewed as having investment power over all the shares owned by such entity.

SEC source: 0001476765-24-000114 · wk-form4_1725570670.xml · nonDerivative · entry 1

Golub David · CIK 0001298389 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By GGP Class B-P LLC

Disclosed balance after: 1,958,880

F1 · price: Reflects the weighted average price of purchases on September 3, 2024. The shares were purchased in multiple transactions at prices ranging from $14.84 to $14.96, inclusive. Mr. Golub undertakes to provide to Golub Capital BDC, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnotes (1) and (3) to this Form 4.

F2 · ownership.nature: Due to his control and ownership of GGP Class B-P LLC, Mr. Golub is viewed as having investment power over all the shares owned by such entity.

SEC source: 0001476765-24-000113 · wk-form4_1725570601.xml · nonDerivative · entry 1

Golub Lawrence E · CIK 0001311018 · Director · Chairman

10b5-1 filing: No plan indicated

Ownership: Indirect · By GGP Class B-P LLC

Disclosed balance after: 1,958,880

F1 · price: Reflects the weighted average price of purchases on September 3, 2024. The shares were purchased in multiple transactions at prices ranging from $14.84 to $14.96, inclusive. Mr. Golub undertakes to provide to Golub Capital BDC, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnotes (1) and (3) to this Form 4.

F2 · ownership.nature: Due to his control and ownership of GGP Class B-P LLC, Mr. Golub is viewed as having investment power over all the shares owned by such entity.

SEC source: 0001476765-24-000110 · wk-form4_1725395444.xml · nonDerivative · entry 2

Golub Lawrence E · CIK 0001311018 · Director · Chairman

10b5-1 filing: No plan indicated

Ownership: Indirect · By GGP Class B-P LLC

Disclosed balance after: 1,938,880

F3 · price: Reflects the weighted average price of purchases on August 30, 2024. The shares were purchased in multiple transactions at prices ranging from $14.74 to $14.93, inclusive.

F2 · ownership.nature: Due to his control and ownership of GGP Class B-P LLC, Mr. Golub is viewed as having investment power over all the shares owned by such entity.

SEC source: 0001476765-24-000109 · wk-form4_1725395338.xml · nonDerivative · entry 2

Golub David · CIK 0001298389 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By GGP Class B-P LLC

Disclosed balance after: 1,938,880

F3 · price: Reflects the weighted average price of purchases on August 30, 2024. The shares were purchased in multiple transactions at prices ranging from $14.74 to $14.93, inclusive.

F2 · ownership.nature: Due to his control and ownership of GGP Class B-P LLC, Mr. Golub is viewed as having investment power over all the shares owned by such entity.

SEC source: 0001476765-24-000110 · wk-form4_1725395444.xml · nonDerivative · entry 1

Golub Lawrence E · CIK 0001311018 · Director · Chairman

10b5-1 filing: No plan indicated

Ownership: Indirect · By GGP Class B-P LLC

Disclosed balance after: 1,918,880

F1 · price: Reflects the weighted average price of purchases on August 29, 2024. The shares were purchased in multiple transactions at prices ranging from $15.00 to $15.21, inclusive. Mr. Golub undertakes to provide to Golub Capital BDC, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnotes (1) and (3) to this Form 4.

F2 · ownership.nature: Due to his control and ownership of GGP Class B-P LLC, Mr. Golub is viewed as having investment power over all the shares owned by such entity.

SEC source: 0001476765-24-000109 · wk-form4_1725395338.xml · nonDerivative · entry 1

Golub David · CIK 0001298389 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By GGP Class B-P LLC

Disclosed balance after: 1,918,880

F1 · price: Reflects the weighted average price of purchases on August 29, 2024. The shares were purchased in multiple transactions at prices ranging from $15.00 to $15.21, inclusive. Mr. Golub undertakes to provide to Golub Capital BDC, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnotes (1) and (3) to this Form 4.

F2 · ownership.nature: Due to his control and ownership of GGP Class B-P LLC, Mr. Golub is viewed as having investment power over all the shares owned by such entity.

SEC source: 0001476765-24-000102 · wk-form4_1724963838.xml · nonDerivative · entry 1

Golub Lawrence E · CIK 0001311018 · Director · Chairman

10b5-1 filing: No plan indicated

Ownership: Indirect · By GGP Class B-P LLC

Disclosed balance after: 1,898,880

F1 · price: Reflects the weighted average price of purchases on August 28, 2024. The shares were purchased in multiple transactions at prices ranging from $15.00 to $15.11, inclusive. Mr. Golub undertakes to provide to Golub Capital BDC, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnote (1) to this Form 4.

F2 · ownership.nature: Due to his control and ownership in GGP Class B-P LLC, Mr. Golub is viewed as having investment power over all the shares owned by such entity.

SEC source: 0001476765-24-000101 · wk-form4_1724963200.xml · nonDerivative · entry 1

Golub David · CIK 0001298389 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By GGP Class B-P LLC

Disclosed balance after: 1,898,880

F1 · price: Reflects the weighted average price of purchases on August 28, 2024. The shares were purchased in multiple transactions at prices ranging from $15.00 to $15.11, inclusive. Mr. Golub undertakes to provide to Golub Capital BDC, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnote (1) to this Form 4.

F2 · ownership.nature: Due to his control and ownership of GGP Class B-P LLC, Mr. Golub is viewed as having investment power over all the shares owned by such entity.

SEC source: 0001476765-24-000096 · wk-form4_1724877568.xml · nonDerivative · entry 2

Golub Lawrence E · CIK 0001311018 · Director · Chairman

10b5-1 filing: No plan indicated

Ownership: Indirect · By GGP Class B-P LLC

Disclosed balance after: 1,878,880

F3 · price: Reflects the weighted average price of purchases on August 27, 2024. The shares were purchased in multiple transactions at prices ranging from $14.98 to $15.13, inclusive.

F2 · ownership.nature: Due to his control and ownership in GGP Class B-P LLC, Mr. Golub is viewed as having investment power over all the shares owned by such entity.

SEC source: 0001476765-24-000095 · wk-form4_1724877462.xml · nonDerivative · entry 2

Golub David · CIK 0001298389 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By GGP Class B-P LLC

Disclosed balance after: 1,878,880

F3 · price: Reflects the weighted average price of purchases on August 27, 2024. The shares were purchased in multiple transactions at prices ranging from $14.98 to $15.13, inclusive.

F2 · ownership.nature: Due to his control and ownership in GGP Class B-P LLC, Mr. Golub is viewed as having investment power over all the shares owned by such entity.

SEC source: 0001476765-24-000096 · wk-form4_1724877568.xml · nonDerivative · entry 1

Golub Lawrence E · CIK 0001311018 · Director · Chairman

10b5-1 filing: No plan indicated

Ownership: Indirect · By GGP Class B-P LLC

Disclosed balance after: 1,858,880

F1 · price: Reflects the weighted average price of purchases on August 26, 2024. The shares were purchased in multiple transactions at prices ranging from $14.94 to $15.07, inclusive. Mr. Golub undertakes to provide to Golub Capital BDC, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnotes (1) and (3) to this Form 4.

F2 · ownership.nature: Due to his control and ownership in GGP Class B-P LLC, Mr. Golub is viewed as having investment power over all the shares owned by such entity.

SEC source: 0001476765-24-000095 · wk-form4_1724877462.xml · nonDerivative · entry 1

Golub David · CIK 0001298389 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By GGP Class B-P LLC

Disclosed balance after: 1,858,880

F1 · price: Reflects the weighted average price of purchases on August 26, 2024. The shares were purchased in multiple transactions at prices ranging from $14.94 to $15.07, inclusive. Mr. Golub undertakes to provide to Golub Capital BDC, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnotes (1) and (3) to this Form 4.

F2 · ownership.nature: Due to his control and ownership in GGP Class B-P LLC, Mr. Golub is viewed as having investment power over all the shares owned by such entity.

SEC source: 0001476765-24-000092 · wk-form4_1724704657.xml · nonDerivative · entry 2

Golub David · CIK 0001298389 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By GGP Class B-P LLC

Disclosed balance after: 1,838,880

F3 · price: Reflects the weighted average price of purchases on August 23, 2024. The shares were purchased in multiple transactions at prices ranging from $14.99 to $15.10, inclusive.

F2 · ownership.nature: Due to his control and ownership in GGP Class B-P LLC, Mr. Golub is viewed as having investment power over all the shares owned by such entity.

SEC source: 0001476765-24-000091 · wk-form4_1724704598.xml · nonDerivative · entry 2

Golub Lawrence E · CIK 0001311018 · Director · Chairman

10b5-1 filing: No plan indicated

Ownership: Indirect · By GGP Class B-P LLC

Disclosed balance after: 1,838,880

F3 · price: Reflects the weighted average price of purchases on August 23, 2024. The shares were purchased in multiple transactions at prices ranging from $14.99 to $15.10, inclusive.

F2 · ownership.nature: Due to his control and ownership in GGP Class B-P LLC, Mr. Golub is viewed as having investment power over all the shares owned by such entity.

SEC source: 0001476765-24-000092 · wk-form4_1724704657.xml · nonDerivative · entry 1

Golub David · CIK 0001298389 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By GGP Class B-P LLC

Disclosed balance after: 1,818,880

F1 · price: Reflects the weighted average price of purchases on August 22, 2024. The shares were purchased in multiple transactions at prices ranging from $14.99 to $15.10, inclusive. Mr. Golub undertakes to provide to Golub Capital BDC, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnotes (1) and (3) to this Form 4.

F2 · ownership.nature: Due to his control and ownership in GGP Class B-P LLC, Mr. Golub is viewed as having investment power over all the shares owned by such entity.

SEC source: 0001476765-24-000091 · wk-form4_1724704598.xml · nonDerivative · entry 1

Golub Lawrence E · CIK 0001311018 · Director · Chairman

10b5-1 filing: No plan indicated

Ownership: Indirect · By GGP Class B-P LLC

Disclosed balance after: 1,818,880

F1 · price: Reflects the weighted average price of purchases on August 22, 2024. The shares were purchased in multiple transactions at prices ranging from $14.99 to $15.10, inclusive. Mr. Golub undertakes to provide to Golub Capital BDC, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnotes (1) and (3) to this Form 4.

F2 · ownership.nature: Due to his control and ownership in GGP Class B-P LLC, Mr. Golub is viewed as having investment power over all the shares owned by such entity.

SEC source: 0001476765-24-000087 · wk-form4_1724358257.xml · nonDerivative · entry 2

Golub Lawrence E · CIK 0001311018 · Director · Chairman

10b5-1 filing: No plan indicated

Ownership: Indirect · By GGP Class B-P LLC

Disclosed balance after: 1,798,880

F3 · price: Reflects the weighted average price of purchases on August 21, 2024. The shares were purchased in multiple transactions at prices ranging from $14.85 to $15.02, inclusive.

F2 · ownership.nature: Due to his control and ownership in GGP Class B-P LLC, Mr. Golub is viewed as having investment power over all the shares owned by such entity.

SEC source: 0001476765-24-000086 · wk-form4_1724358095.xml · nonDerivative · entry 2

Golub David · CIK 0001298389 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By GGP Class B-P LLC

Disclosed balance after: 1,798,880

F3 · price: Reflects the weighted average price of purchases on August 21, 2024. The shares were purchased in multiple transactions at prices ranging from $14.85 to $15.02, inclusive.

F2 · ownership.nature: Due to his control and ownership in GGP Class B-P LLC, Mr. Golub is viewed as having investment power over all the shares owned by such entity.

SEC source: 0001476765-24-000087 · wk-form4_1724358257.xml · nonDerivative · entry 1

Golub Lawrence E · CIK 0001311018 · Director · Chairman

10b5-1 filing: No plan indicated

Ownership: Indirect · By GGP Class B-P LLC

Disclosed balance after: 1,778,880

F1 · price: Reflects the weighted average price of purchases on August 20, 2024. The shares were purchased in multiple transactions at prices ranging from $14.75 to $14.84, inclusive. Mr. Golub undertakes to provide to Golub Capital BDC, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnotes (1) and (3) to this Form 4.

F2 · ownership.nature: Due to his control and ownership in GGP Class B-P LLC, Mr. Golub is viewed as having investment power over all the shares owned by such entity.

SEC source: 0001476765-24-000086 · wk-form4_1724358095.xml · nonDerivative · entry 1

Golub David · CIK 0001298389 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By GGP Class B-P LLC

Disclosed balance after: 1,778,880

F1 · price: Reflects the weighted average price of purchases on August 20, 2024. The shares were purchased in multiple transactions at prices ranging from $14.75 to $14.84, inclusive. Mr. Golub undertakes to provide to Golub Capital BDC, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnotes (1) and (3) to this Form 4.

F2 · ownership.nature: Due to his control and ownership in GGP Class B-P LLC, Mr. Golub is viewed as having investment power over all the shares owned by such entity.

SEC source: 0001476765-24-000081 · wk-form4_1724188685.xml · nonDerivative · entry 2

Golub David · CIK 0001298389 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By GGP Class B-P LLC

Disclosed balance after: 1,758,880

F3 · price: Reflects the weighted average price of purchases on August 19, 2024. The shares were purchased in multiple transactions at prices ranging from $14.65 to $14.78, inclusive.

F2 · ownership.nature: Due to his control and ownership in GGP Class B-P., Mr. Golub is viewed as having investment power over all the shares owned by such entity.

SEC source: 0001476765-24-000080 · wk-form4_1724188564.xml · nonDerivative · entry 2

Golub Lawrence E · CIK 0001311018 · Director · Chairman

10b5-1 filing: No plan indicated

Ownership: Indirect · By GGP Class B-P LLC

Disclosed balance after: 1,758,880

F3 · price: Reflects the weighted average price of purchases on August 19, 2024. The shares were purchased in multiple transactions at prices ranging from $14.65 to $14.78, inclusive.

F2 · ownership.nature: Due to his control and ownership in GGP Class B-P., Mr. Golub is viewed as having investment power over all the shares owned by such entity.

SEC source: 0001476765-24-000081 · wk-form4_1724188685.xml · nonDerivative · entry 1

Golub David · CIK 0001298389 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By GGP Class B-P LLC

Disclosed balance after: 1,738,880

F1 · price: Reflects the weighted average price of purchases on August 16, 2024. The shares were purchased in multiple transactions at prices ranging from $14.65 to $14.72, inclusive. Mr. Golub undertakes to provide to Golub Capital BDC, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnotes (1) and (3) to this Form 4.

F2 · ownership.nature: Due to his control and ownership in GGP Class B-P., Mr. Golub is viewed as having investment power over all the shares owned by such entity.

SEC source: 0001476765-24-000080 · wk-form4_1724188564.xml · nonDerivative · entry 1

Golub Lawrence E · CIK 0001311018 · Director · Chairman

10b5-1 filing: No plan indicated

Ownership: Indirect · By GGP Class B-P LLC

Disclosed balance after: 1,738,880

F1 · price: Reflects the weighted average price of purchases on August 16, 2024. The shares were purchased in multiple transactions at prices ranging from $14.65 to $14.72, inclusive. Mr. Golub undertakes to provide to Golub Capital BDC, Inc. (the "Company"), any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnotes (1) and (3) to this Form 4.

F2 · ownership.nature: Due to his control and ownership in GGP Class B-P., Mr. Golub is viewed as having investment power over all the shares owned by such entity.

SEC source: 0001476765-24-000075 · wk-form4_1723493816.xml · nonDerivative · entry 3

Rival Anita J. · CIK 0001522002 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trusts

Disclosed balance after: 26,291

F1 · ownership.nature: Includes shares held in trusts for the benefit of Ms. Rival's children, for which Ms. Rival serves as trustee.

SEC source: 0001476765-24-000133 · wk-form4a_1733519835.xml · nonDerivative · entry 1

Rival Anita J. · CIK 0001522002 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trusts

Disclosed balance after: 26,791

F1 · shares: On August 12, 2024, the reporting person filed a Form 4 that inadvertently omitted the full number of shares purchased due to administrative oversight. This amendment is being filed to correct the number of shares purchased from 3,000 to 3,500 in transactions that occurred on August 9, 2024 by certain trusts for which the reporting person serves as trustee.

F2 · ownership.nature: Includes shares held in trusts for the benefit of Ms. Rival's children, for which Ms. Rival serves as trustee.

SEC source: 0001476765-24-000075 · wk-form4_1723493816.xml · nonDerivative · entry 2

Rival Anita J. · CIK 0001522002 · Director

10b5-1 filing: No plan indicated

Ownership: Indirect · By Trusts

Disclosed balance after: 23,291

F1 · ownership.nature: Includes shares held in trusts for the benefit of Ms. Rival's children, for which Ms. Rival serves as trustee.

SEC source: 0001476765-24-000075 · wk-form4_1723493816.xml · nonDerivative · entry 1

Rival Anita J. · CIK 0001522002 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 95,000

SEC source: 0001476765-24-000061 · wk-form4_1718139215.xml · nonDerivative · entry 3

Golub Lawrence E · CIK 0001311018 · Director · Chairman

10b5-1 filing: No plan indicated

Ownership: Indirect · By GGP Class B-P LLC

Disclosed balance after: 1,718,880

F1 · ownership.nature: Due to his control and ownership in GGP Class B-P., Mr. Golub is viewed as having investment power over all the shares owned by such entity.

SEC source: 0001476765-24-000060 · wk-form4_1718139121.xml · nonDerivative · entry 3

Golub David · CIK 0001298389 · Director · Chief Executive Officer

10b5-1 filing: No plan indicated

Ownership: Indirect · By GGP Class B-P LLC

Disclosed balance after: 1,718,880

F1 · ownership.nature: Due to his control and ownership in GGP Class B-P., Mr. Golub is viewed as having investment power over all the shares owned by such entity.