• Excluded OpCo lenders challenge intercompany claims, seek derivative standing
• Disputed transactions involve asset transfers, guarantee shifts outside OpCo creditor reach
• Case highlights growing trend of LME disputes in bankruptcy proceedings

Trinseo demonstrates how contested LMEs can reshape a restructuring well beyond the transactions themselves. It joins a growing line of Chapter 11 cases — including Serta Simmons Bedding, Incora/Wesco, Robertshaw and STG Logistics — in which disputes arising from prepetition LMEs became central to the proceedings.[1]

Trinseo, a specialty material solutions provider, filed for Chapter 11 protection on 26 May. That same day, an ad hoc group of excluded OpCo term lenders holding roughly 40% of Trinseo’s 2028 OpCo term loans launched a broad challenge to the company’s prearranged Chapter 11 restructuring. The dispute highlights an increasingly common issue in modern restructuring: whether claims created through contested LMEs may be used to shape a Chapter 11 case while the underlying transactions remain at issue.

In this article, the Debtwire legal analyst team examines Trinseo’s challenged LMEs, the excluded OpCo lenders’ challenge to the roughly USD 1.5bn in intercompany claims those transactions created, and the resulting disputes over claims classification, voting rights, and plan confirmation. In consideration of these disputes, we further discuss what Trinseo’s case may signal for future restructurings and how contested LMEs could shape the bankruptcy process in those situations.

Trinseo’s 2023 LME

Prior to the 2023 transaction, Trinseo’s capital structure included approximately USD 700m of OpCo term loans due 2024, USD 750m of OpCo term loans due 2028, USD 500m of unsecured notes due 2025, unsecured notes due 2029, and a USD 375m revolving credit facility. As noted above, the excluded OpCo lender group holds approximately 40% of the 2028 OpCo term loan tranche.

Trinseo’s 2023 LME began with the formation of Luxco SPV, an entity that borrowed approximately USD 1.077bn from a new group of lenders, referred to as the Super HoldCo lenders.

According to the excluded OpCo lender group, Trinseo used USD 125m of those loan proceeds to increase capacity under existing investment and transfer baskets, allowing a guarantor of the 2028 OpCo term loans to transfer a 50% interest in the AmSty joint venture to unrestricted subsidiaries beyond the reach of the OpCo lenders. AmSty was one of the company’s most significant assets, generating roughly USD 100m in annual EBITDA.

Under a related amendment, a USD 948m intercompany loan was granted pari passu status with the 2028 OpCo term loans in favor of the Super HoldCo lenders. The proceeds, together with cash on hand, were used to retire the remaining OpCo 2024 term loans and a substantial portion of the 2025 unsecured notes. At the same time, valuable assets and guarantees were moved outside the reach of the OpCo creditor group.

Trinseo’s 2025 LME

A 2025 LME further expanded the Super HoldCo silo. Trinseo designated additional subsidiaries as unrestricted subsidiaries and guarantors of the Super HoldCo debt, exchanged approximately USD 447m of unsecured notes for new second-lien notes issued by the Super HoldCo debtors, and increased the intercompany loan by approximately USD 494.5m. The company also replaced its existing revolving credit facility with a new USD 300m superpriority revolver and eliminated a USD 340m cap on certain foreign guarantees.

The transaction also included an intercreditor agreement governing the relationship between lenders that provided the new revolver and the 2028 OpCo term loans. Among other provisions, the agreement provided the Super HoldCo lenders with the right to acquire the revolving facility.

Unlike the 2023 transaction, which required no existing lender consent, the 2025 transaction was implemented through an amendment that required majority lender approval. Luxco SPV, whose lender status stemmed from the intercompany debt created in the 2023 transaction, was among the lenders whose votes were counted toward that approval.

Moves toward in-court restructuring

By January 2026, Trinseo and the Super HoldCo lenders had retained advisors to consider restructuring options, including a potential Chapter 11 filing with a restructuring support agreement (RSA). Trinseo was advised by Latham & Watkins, Hunton Andrews Kurth, Centerview Partners, and FTI Consulting, while the Super HoldCo lenders were represented by Paul Hastings and PJT Partners.

According to the excluded OpCo lender group, the Super HoldCo lenders subsequently consolidated their position by acquiring the superpriority revolver, drawing on that facility, and transferring value to the Super HoldCo silo. According to the excluded OpCo lenders, those efforts resulted in the RSA and prearranged Chapter 11 plan that are the basis of the current dispute.

A litigious Chapter 11 case                                                

Through an adversary proceeding, the lenders asserted four counts for relief including a declaratory judgment that the 2023 and 2025 amendments, the intercompany loans, and the related intercreditor agreement are invalid. The lender group also sought: (i) the recharacterization of the intercompany loans as equity because they were allegedly not negotiated at arm’s length and were funded by a non-lender affiliate, (ii) the equitable subordination of the intercompany claims under Bankruptcy Code section 510(c) based on alleged insider misconduct and conflicted fiduciary decision-making, and (iii) the equitable subordination of the revolving credit facility claims, on the grounds that the Super HoldCo lenders acquired the facility as part of an alleged loan-to-own strategy designed to extract value from the OpCo collateral pool. The fourth count, regarding the debtors’ RCF, has since been dismissed without prejudice.[2]

The litigation has since expanded beyond challenges to the intercompany claims themselves. In July, the ad hoc group of excluded OpCo term lenders sought derivative standing to pursue estate claims alleging that the 2023 AmSty transfer and the 2025 designation of Aristech and Altuglas as unrestricted subsidiaries constituted fraudulent transfers and breaches of fiduciary duty that shifted value from OpCo creditors to the Super HoldCo structure. The group argues that the debtors are unable or unwilling to pursue those claims because the DIP financing and RSA contain provisions restricting challenges to the Super HoldCo debt and related transactions.

The ad hoc group of senior secured creditors opposed the motion, arguing that Fifth Circuit precedent permits derivative standing only for official creditors’ committees, that Delaware and Kentucky law bars the excluded OpCo lender group from pursuing derivative claims on behalf of certain debtor entities, and that the proposed claims lack merit. According to the senior secured creditor group, the challenged transactions were authorized under the relevant credit documents, and the excluded OpCo lender group has failed to plead colorable fiduciary duty and aiding-and-abetting claims.

The excluded OpCo lenders also argue that the disclosure statement should be rejected because the plan is not confirmable. They contend the plan improperly places a roughly USD 1.5bn intercompany claim in the same voting class as approximately USD 716m of third-party OpCo term loan claims, even though the claims arise from different circumstances and represent different interests. According to the group, the classification was designed to secure class acceptance by allowing the larger intercompany claim to outvote dissenting lenders, amounting to impermissible vote gerrymandering. The lenders further argue the intercompany and RCF claims should not be counted for voting purposes because the intercompany claims were allegedly created through the challenged transactions and the RCF claims stem from the same alleged loan-to-own strategy.

These claims are contested. The RCF lenders argued that the January 2025 intercreditor agreement contractually bars the excluded OpCo lenders from challenging the senior lenders’ liens, priority, and related transaction documents, and have asserted counterclaims based on the agreement’s no-challenge provisions.

The group also contends the plan unfairly favors RSA-supporting lenders by providing approximately USD 56m of benefits unavailable to non-signing creditors, including a USD 23.7m gift, rights offering and backstop participation, governance rights, and expense reimbursement. It further challenges the plan’s releases and intercompany settlement, arguing the debtors recognize the USD 1.5bn intercompany claim while assigning no value to potential estate claims arising from the challenged transactions, including recharacterization, equitable subordination, fraudulent transfer, recoupment, and breach of fiduciary duty claims. The group has also reserved its rights with respect to the DIP financing pending resolution of those disputes.

Among other contested matters, recent plan-voting disputes underscore the significance of the controversy. The excluded OpCo lender group moved to disqualify votes cast by Luxco SPV and the Super HoldCo lenders, arguing that claims created or acquired through the challenged LMEs supplied the votes necessary to secure plan support. The debtors, in turn, have moved to designate the rejection vote by CastleKnight, leading OpCo lender group, on bad-faith grounds and have resisted attempts to terminate exclusivity. The controversy is no longer confined to the validity of the LMEs themselves. The issues now encompass voting rights, case control, and procedural leverage that will likely shape the entire Chapter 11 case.

Beyond Trinseo

Trinseo’s significance extends beyond whether the 2023 and 2025 transactions survive challenge. The case matters because it tests what happens when claims created through contested LMEs become embedded in the Chapter 11 process itself — used not just to establish priority, but to drive classification, voting, and settlement. The debtors’ plan assumes the legitimacy of roughly USD 1.5bn in intercompany claims and treats them as part of the capital structure for those purposes. By contrast, the excluded OpCo lenders argued that the claims should be disallowed, recharacterized, or subordinated as the product of transactions that breached the OpCo credit agreement. The senior secured creditor group, meanwhile, has countered that the transactions were authorized under the credit documents, that the January 2025 intercreditor agreement bars the excluded OpCo lenders’ challenges outright, and that Fifth Circuit case law denies the excluded OpCo lenders the standing required to bring the estate claims at all.

On the threshold questions, the senior secured creditor group has the more direct precedential support: the Fifth Circuit has kept derivative standing narrow, and intercreditor no-challenge provisions have generally held. But those defenses mainly bar attacks on the validity of the liens and transactions. They do less to dispose of the excluded group’s plan-confirmation objections — that a USD 1.5bn intercompany claim was gerrymandered into the same voting class as third-party debt, and that LME-tainted votes should be designated — which the court may have to reach on the merits, regardless of how the validity challenges are resolved.

Post-Serta and  Incora/Wesco, courts are increasingly likely to scrutinize the specific maneuvers — such as engineered voting blocks and claims classification — that borrowers and majority creditors use to push an aggressive LME through bankruptcy. The gap between what the procedural defenses prevent and what remains open for court consideration, more than the ultimate validity of the LMEs, may determine how much leverage the excluded OpCo lender group retains.

Prior to joining Debtwire, Stephanie served as a judicial clerk for a judge with the United States Court of Appeals for the Fifth Circuit. Stephanie is a former practicing restructuring and financial litigation attorney, during which time she primarily represented Chapter 11 trustees, debtors-in-possession, financial institutions (as secured creditors and defendants in adversary proceedings), and unsecured creditors. 

This report should not be relied upon to make investment decisions. Furthermore, this report is not intended and should not be construed as legal advice. ION Analytics does not provide any legal advice, and clients should consult with their own legal counsel for matters requiring legal advice. All information is sourced from either the public domain, ION Analytics data or intelligence, and ION Analytics cannot and does not verify or guarantee the adequacy, accuracy or completeness of any source document. No representation is made that it is current, complete or accurate. The information herein is not intended to be used as a basis for investing and does not constitute an offer to buy or sell any securities or investment strategy. The information herein is for informational purposes only and ION Analytics accepts no liability whatsoever for any direct or consequential loss arising from any use of the information contained herein.

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[1] Serta Simmons Bedding filed for Chapter 11 in the Southern District of Texas on 23 January 2023, followed by Incora on 1 June 2023 and Robertshaw US Holding Corp on 15 February 2024. On 12 January 2026, STG Logistics commenced its Chapter 11 case in the District of New Jersey. Together, the cases illustrate the growing tendency for disputes arising from prepetition LMEs to migrate from contract litigation into the bankruptcy process.

[2] Judge Christopher Lopez of the US Bankruptcy Court for the Southern District of Texas’ ruling is in progress, but his ruling pertains to Count IV in the adversary complaint, pursuant to which the plaintiff lenders sought equitable subordination of the Super HoldCo lenders’ claims under Trinseo’s RCF debt.