Texas Southern Bankruptcy Court

Application / First Interim Fee Application of Munsch Hardt Kopf & Harr, P.C. as Local and Conflicts Counsel to the Official Committee of Unsecured Creditors for the Period from June 12, 2026, Through and Including August 31, 2026 Filed by Creditor Committee The Official Committee of Unsecured Creditors (Attachments: # (1) Exhibit 1 # (2) Exhibit 2 # (3) Exhibit 3 # (4) Exhibit 4 # (5) Exhibit 5 # (6) Exhibit 6 # (7) Exhibit 7 # (8) Proposed Order) (Perez, Alexander)

Application / First Interim Application of Alvarez & Marsal North America, LLC for Allowance of Compensation for Services Rendered and Reimbursement of Expenses Incurred as Financial Advisor to the Official Committee of Unsecured Creditors of Trinseo PLC et al., for the Period from June 15, 2026 Through and Including August 31, 2026 Filed by Creditor Committee The Official Committee of Unsecured Creditors (Attachments: # (1) Exhibit A # (2) Exhibit B # (3) Exhibit C # (4) Exhibit D # (5) Exhibit E) (Perez, Alexander)

First Application for Compensation / First Interim Fee Application of Willkie Farr & Gallagher LLP for Compensation of Services Rendered and Reimbursement of Expenses as Counsel for The Official Committee of Unsecured Creditors for the Period June 11, 2026 Through August 31, 2026 for Willkie Farr & Gallagher LLP, Creditor Comm. Aty, Period: 6/11/2026 to 8/31/2026, Fee: $2,358,840.25, Expenses: $45,846.45. Objections/Request for Hearing Due in 21 days. Filed by Other Prof. Willkie Farr & Gallagher LLP (Attachments: # (1) Exhibit A - First Monthly Fee Statement # (2) Exhibit B - Second Monthly Fee Statement # (3) Exhibit C - Third Monthly Fee Statement # (4) Proposed Order) (Hardy, Jennifer)

Interim Application for Compensation / First Interim Fee Application of FTI Consulting, Inc. for Allowance and Payment of Fees and Expenses as Financial Advisor, Chief Restructuring Officer, and Additional Personnel for the Debtors for the Period from May 26, 2026 Through August 31, 2026. Objections/Request for Hearing Due in 21 days. Filed by Financial Advisor FTI Consulting, Inc. (Attachments: # 1 Proposed Order) (Davidson, Timothy) (Entered: 10/09/2026)

Affidavit Re: of Nelson Crespin Regarding First Interim Fee Application of Latham & Watkins LLP for Compensation for Services Rendered and for Reimbursement of Expenses Incurred as Bankruptcy Counsel to the Debtors for the Period from May 26, 2026 through August 31, 2026. (related document(s):670 Application for Compensation). Filed by Kroll Restructuring Administration LLC (Steele, Benjamin) (Entered: 10/08/2026)

Declaration re: / Declaration of Disinterestedness of Lefosse Advogados Pursuant to Order Authorizing the Retention and Compensation of Certain Professionals Used in the Ordinary Course of Business (Filed By Lefosse Advogados ).(Related document(s):300 Order on Application to Employ) (Davidson, Timothy) (Entered: 10/07/2026)

Declaration re: / Declaration of Disinterestedness of McMillan LLP Pursuant to Order Authorizing the Retention and Compensation of Certain Professionals Used in the Ordinary Course of Business (Filed By McMillan LLP ).(Related document(s):300 Order on Application to Employ) (Davidson, Timothy) (Entered: 10/05/2026)

Notice / Fifth Notice of Additional Ordinary Course Professionals. (Related document(s):300 Order on Application to Employ, 320 Notice, 600 Notice, 602 Notice, 623 Notice, 628 Notice) Filed by Trinseo PLC (Davidson, Timothy) (Entered: 10/05/2026)

Affidavit Re: of Nelson Crespin Regarding Second Motion of Debtors for Entry of an Order (A) Further Extending the Conditional Waivers for (I) the U.S. Trustee to Re-Convene the Adjourned 341 Meeting, and (II) the Time for Debtors to File Schedules of Assets and Liabilities and Statements of Financial Affairs and Rule 2015.3 Reports; and (B) Granting Related Relief. (related document(s):651 Motion to Extend Time). Filed by Kroll Restructuring Administration LLC (Steele, Benjamin) (Entered: 10/04/2026)

Interim Application for Compensation / First Interim Fee Application of Latham & Watkins LLP for Compensation for Services Rendered and for Reimbursement of Expenses Incurred as Bankruptcy Counsel to the Debtors for the Period from May 26, 2026 Through August 31, 2026. Objections/Request for Hearing Due in 21 days. Filed by Attorney Latham & Watkins LLP (Attachments: # 1 Proposed Order) (Davidson, Timothy) (Entered: 10/02/2026)