Management Change/Compensation (Form 8-K)

Item 5.02 - Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensation Arrangements of Certain Officers.

On July 15, 2025, Alex Chi notified West Bay BDC LLC (the "Company") of his intention to resign from his position as Co-ChiefExecutive Officer and Co-Presidentof the Company. Mr. Chi will cease serving as the Company's principal executive officer, Co-ChiefExecutive Officer and Co-President,effective on or about August 7, 2025, or such earlier date as the Company's board of directors may determine. Mr. Chi's resignation is not the result of any disagreement with the Company. To assist in an orderly transition, Mr. Chi will continue serving in his current role during the transition period.

On July 18, 2025, the board of directors of the Company appointed Vivek Bantwal, age 48, as Co-ChiefExecutive Officer, effective on or about August 7, 2025, or such earlier date as the Company's board of directors may determine. Mr. Bantwal was also appointed as the Company's co-principalexecutive officer, succeeding Mr. Chi. Mr. Bantwal was also appointed as Co-ChiefExecutive Officer of Goldman Sachs BDC, Inc. ("GSBD"), Silver Capital Holdings LLC ("SCH"), Goldman Sachs Private Middle Market Credit II LLC ("PMMC II"), Goldman Sachs Middle Market Lending Corp. II ("MMLC II"), Phillip Street Middle Market Lending Fund LLC ("PSLF") and Goldman Sachs Private Credit Corp. ("GSCR").

Mr. Bantwal is global co-headof Private Credit within Goldman Sachs Asset Management, L.P. (together with The Goldman Sachs Group, Inc., Goldman Sachs & Co. LLC and their subsidiaries and affiliates, "Goldman Sachs"). He joined Goldman Sachs in 1999, was named managing director in 2007, and partner in 2012. Mr. Bantwal serves as a member of the Private Credit Investment Committee, Asset Management Investment Grade Private Credit and Asset Finance Investment Committee, and the Firmwide Conduct Committee. He previously held the role of Global Head of the Financing Group within Investment Banking and co-chairedthe Firmwide Capital Committee. Before that, he was Chief Operating Officer of the Global Markets Division. Earlier in his career, Mr. Bantwal co-headedthe Americas Credit Finance Group, where he managed the firm's Leveraged Finance and Structured Finance businesses. Mr. Bantwal also contributes to several organizations, including serving on the Undergraduate Executive Board of the Wharton School at the University of Pennsylvania, the Leadership Council of the Mindich Child Health and Development Institute at Mount Sinai, and the board of the American India Foundation. Mr. Bantwal earned a BS in Economics from the Wharton School of the University of Pennsylvania.

David Miller will continue serving in his role as Co-ChiefExecutive Officer of the Company. Mr. Miller will also continue serving in his role as Co-ChiefExecutive Officer of GSBD, SCH, PMMC II, MMLC II, PSLF and GSCR. Effective on or about August 7, 2025, or such earlier date as the Company's board of directors may determine, Mr. Miller will cease serving as Co-Presidentof the Company, GSBD, SCH, PMMC II, MMLC II, PSLF and GSCR.

On July 18, 2025, the board of directors of the Company appointed Tucker Greene, age 50, as President of the Company, effective on or about August 7, 2025, or such earlier date as the Company's board of directors may determine. Mr. Greene will serve as President of the Company, succeeding Alex Chi and David Miller. Mr. Greene was also appointed as President of GSBD, SCH, PMMC II, MMLC II, PSLF and GSCR. Mr. Greene will also continue serving in his role as Chief Operating Officer of the Company and each of GSBD, SCH, PMMC II, MMLC II, PSLF and GSCR.

Mr. Greene is the Chief Operating Officer of the Company and has served in such capacity since April 2024. Mr. Greene is also the Chief Operating Officer of GSBD, SCH, PMMC II, MMLC II, PSLF and GSCR. Mr. Greene previously served as a Vice President of GSBD, SCH, PMMC II, MMLC II, PSLF and GSCR. In addition, he is a managing director in Goldman Sachs Asset Management Private Credit. He is a senior portfolio manager focused on fund management. Prior to his current role, Mr. Greene was a senior originator and underwriter in Goldman Sachs Asset Management Private Credit. Mr. Greene joined Goldman Sachs in 2004 in the Specialty Lending Group, primarily investing firm capital in directly originated middle market loans. Prior to joining Goldman Sachs, Mr. Greene worked at GE Capital, focusing on underwriting loans in the media and telecommunications sector. Mr. Greene was named managing director in 2021.

Neither Mr. Bantwal nor Mr. Greene have any family relationships with any current director, executive officer, or person nominated to become a director or executive officer, of the Company, and there are no transactions or proposed transactions, to which the Company is a party, or intended to be a party, in which Mr. Bantwal or Mr. Greene have, or will have, a material interest subject to Item 404(a) of Regulation S-K.