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Promulgation of September 9, 2025 Amendment to Korean Commercial Code and Additional Legal Updates

2025.10.30

Following the first amendment to the Korean Commercial Code (the “KCC”), which took effect on July 22, 2025, the second amendment bill to the KCC passed the National Assembly’s plenary session on August 25, 2025. This bill was promulgated on September 9, 2025, and pursuant to the relevant supplementary provisions, is scheduled to take effect on September 10, 2026, one year after promulgation. Meanwhile, the National Assembly, led by the Democratic Party of Korea, is preparing a third amendment to the KCC. This amendment is expected to introduce mandatory treasury stock cancellations, which is expected to lead to significant changes to the operation of listed companies’ general shareholders’ meetings, boards of directors, audit committees and overall corporate governance policies. Companies are advised to prepare strategic responses to these regulatory developments.
 

1.

Highlights and Practical Considerations of September 9, 2025 Amendment to KCC
 

(1)

Introduction of Mandatory Cumulative Voting for Large Listed Companies

Prior to the amendment, the KCC provided that shareholders holding 3% or more of the total issued shares – or, in the case of a listed company with total assets amounting to KRW 2 trillion or more (a “large listed company”), shareholders holding at least 1% or more of the total issued shares – could request that directors be elected through means of cumulative voting, unless otherwise stipulated in the articles of incorporation. However, since companies could opt out of cumulative voting through their articles of incorporation, as of June 30, 2025, only 21 out of 264 large listed companies (i.e., 8% of the total number) subject to corporate governance report submission had adopted cumulative voting, with the majority including provisions to exclude the cumulative voting system (for more information, please refer to the Korea Institute of Corporate Governance and Sustainability’s report (available in Korean, Link)).

The second amendment to the KCC prohibits large listed companies from excluding cumulative voting in their articles of incorporation and also revises rules in connection with related administrative fines. This mandatory cumulative voting requirement will apply from the first general meeting of shareholders convened for the election of directors after the amendment takes effect.

The supplementary provisions to the second amendment do not address the validity of existing provisions in articles of incorporation that exclude cumulative voting. However, the new cumulative voting requirements are likely to be considered mandatory provisions under the KCC. According to precedents, provisions in articles of incorporation that contradict such “mandatory legal provisions” are void (see Seoul Central District Court Decision 2006Gahap98304, rendered on July 24, 2008, etc.). Therefore, large listed companies that previously excluded cumulative voting in their articles of incorporation will be required to implement the cumulative voting system once the second amendment to the KCC takes effect.

Under the amended KCC, minority shareholders and activist funds are expected to make use of the cumulative voting procedure to participate more actively in company management. In addition, as further explained in part (2) below, it is also anticipated that there will be cases where requests would be made by shareholders for multiple audit committee members subject to separate election to be elected through cumulative voting. Given these developments, large listed companies should carefully follow legal changes and the actions of key stakeholders. It would also be advisable to review and, if necessary, amend the articles of incorporation – particularly provisions concerning the number and terms of directors. Companies should also reexamine their board governance structures and decision-making processes to prepare for potential shifts in board composition. Furthermore, establishing regular communication channels and providing transparent information can help strengthen trust and foster constructive relationships with minority shareholders.

If the introduction of cumulative voting coincides with the mandate for large listed companies to implement electronic general shareholders’ meeting systems – scheduled to be introduced on January 1, 2027 – inadequate internal systems and infrastructure could result in significant confusion during meetings. To mitigate such risks, companies should thoroughly prepare for the new regulatory environment by (i) proactively establishing reliable platforms and robust security systems in relation to both cumulative voting and electronic shareholders’ meetings, and (ii) developing comprehensive internal procedures and protocols to rapidly address unforeseen issues, such as system failures, through simulations and mock sessions of cumulative voting and electronic general shareholders’ meetings.
 

(2)

Expansion of Separate Election Procedures for Audit Committee Members in Large Listed Companies

Prior to the amendment, the KCC required that, in the case of large listed companies and listed companies with total assets of KRW 100 billion or more that had established an audit committee in lieu of a standing statutory auditor, audit committee members were to be elected from among the directors appointed at the general shareholders’ meeting. However, at least one audit committee member had to be separately elected as an audit committee member.

The second amendment to the KCC expands the required number of audit committee members subject to the separate election requirement to two, while allowing companies to stipulate in their articles of incorporation that the number of audit committee members subject to the separate election may be set at three or more. However, as no supplementary provisions have been enacted to specifically address the timing of this expanded requirement, it remains unclear whether companies must comply with the new separate election requirement for audit committee members immediately upon the amendment’s effective date. This amendment is expected to make it easier for minority shareholders and activist funds to gain representation on the board of directors and within the audit committee. If the updated requirement is implemented alongside the rule established by the first amendment to the KCC on July 22, 2025 – which limits the aggregated voting rights of the largest shareholder and related parties to 3% for the appointment and removal of outside directors serving as audit committee members – the chances that candidates nominated by minority shareholders or activist funds will be elected as separately elected audit committee members in large listed companies will increase significantly. Additionally, directors who represent or are aligned with minority shareholders will have greater opportunities to play an active role in corporate management by exercising their rights to request information and to investigate business affairs as members of the audit committee.

The aforementioned developments could have both positive and negative implications. On the one hand, the appointment of audit committee members representing minority shareholders could enhance transparency and accountability in corporate management by better utilizing the audit committee’s rights (including rights to request information and investigate the company’s business affairs). On the other hand, in certain cases, the board’s decision-making may be delayed and conflicts among stakeholders may surface more prominently. Therefore, large listed companies should strengthen their investor relations (“IR”) activities to secure the support of institutional investors, such as pension funds, as well as minority shareholders. Additionally, they should further develop transparent information disclosure practices and responsible management systems that align with the expectations of a diverse shareholder base. Companies are also encouraged to review their current audit committee election structures and board operation practices, carefully consider the potential implications of the amendment and proactively prepare to adapt to the evolving governance landscape.
 

2.

Additional Legislative Trends Concerning KCC
 

(1)

Proposed Amendments to KCC Regarding Mandatory Cancellation of Treasury Stock

Under the current KCC, companies may acquire treasury stock under certain conditions. However, there has been criticism that such acquisitions do not serve the function of returning value to shareholders, as companies often retain treasury stocks for prolonged periods without cancelling or transferring them to allied parties, thereby using them as a tool to distort corporate governance.

In response, a recently proposed amendment to the KCC would require companies to mandatorily cancel treasury stocks within a set period, except in certain limited circumstances, such as using the shares for executive or employee compensation. The amendment also provides that treasury stocks already held prior to the law’s enforcement would also be subject to mandatory cancellation.
 

Proposal

Subject Entities

Time of Cancellation

Disposal of Existing Treasury Stocks

Exception to Mandatory Cancellation of Treasury Stock

Bill No. 2211373
(July 9, 2025,
Primary Sponsor: Rep. Kim Namgeun

  • Listed companies

  • Cancellation within one year from the date of acquisition

  • Listed companies may, in accordance with the amendment, either cancel treasury stock held prior to the enforcement of the law or retain such shares with the approval of the regular shareholders’ meeting

  • (i) For compensation for officers and employees, (ii) for contributions to an employee stock ownership association or an in-house employee welfare fund pursuant to the Framework Act on Labor Welfare, and (iii) when necessary for the exercise of rights attached to convertible bonds issued through a public offering or bonds with warrants

Bill No. 2211620
(July 22, 2025,
Primary Sponsor: Rep. Min Byoungdug

  • Companies

  • Cancellation within one year from the date of acquisition

  • However, cancellation within two years from the date of acquisition if the total number of treasury shares at the time of acquisition is less than 3% of the total number of issued shares

  • Treasury shares held by a company as of the effective date of the law must be cancelled within one year from the effective date. However, if the total number of treasury shares held by the company as of the effective date is less than 3% of the total number of issued shares, they must be cancelled within two years from the effective date

  • Notwithstanding the foregoing, if the approval of a general meeting of shareholders is obtained within three months from the effective date of the law, the company may retain the treasury shares beyond the cancellation period

  • For purposes prescribed by Presidential Decree, such as compensation for officers and employees

Bill No. 2211631
(July 22, 2025,
Primary Sponsor: Rep. Kim Hyunjung

  • Listed companies

  • Immediate cancellation upon acquisition

  • Treasury stocks held by a listed company prior to the enforcement of the law may, in accordance with the amendment, be cancelled within six months or retained with the approval of the general shareholders’ meeting

  • When necessary to achieve purposes specified by Presidential Decree, such as fulfilling statutory obligations or compensating officers and employees

 

If the requirement for mandatory cancellation of treasury stock is implemented, it will likely become challenging for companies to continue to use treasury stocks as a tool for establishing strategic alliances between companies, or as a defensive measure against hostile takeovers, as has been the practice until now. Moreover, while the proposed amendments provide exemptions from mandatory cancellation (e.g., for employee compensation), they also require companies to obtain annual shareholder approval to retain treasury stock, which could effectively limit the ability for companies to hold treasury stock on an exceptional basis. Therefore, companies should carefully review their plans for disposing of treasury stock acquired prior to the new rules, thoroughly assess the practical implications for future acquisitions of treasury stock, and develop a comprehensive response strategy aligned with the evolving regulatory environment.
 

(2)

Legislative Developments Concerning Amendments to KCC Including Codification of Business Judgment Rule

There are concerns that the recent expansion of directors’ duty of loyalty to encompass not just the company itself but also its shareholders could increase the risk of individual directors being subject to criminal liability in relation to the board’s decision-making process. As a result, there is a growing recognition of the need to respect management decisions made with due care, based on sufficient information and in the best interests of the company and its shareholders. This approach aims to prevent managerial stagnation, curb indiscriminate lawsuits and minimize retrospective judicial intervention.

In response, a proposed amendment to the KCC has been submitted, clarifying that a director’s management decision will not be considered a breach of duty if such a decision was made with due care and based on sufficient information. In connection with the above-mentioned proposed amendment, on September 2, 2025, the Democratic Party of Korea launched the “Task Force on the Rationalization of Criminal Penalties and Civil Liability for Economic Crimes.” The Task Force announced that, in addition to improving the current breach of trust regime, it will also review the need for introducing a class action system, punitive damages and a Korean-style discovery procedure.
 

  • Codification of Business Judgment Rule under KCC: (Bill No. 2211209, 2212107, 2212460, etc.) Even if a director’s business decision results in damage to the company or its shareholders, such decision will not be considered a breach of duty to the company or its shareholders if (i) the director did not intend to obtain personal property benefits or confer such benefits on a third party, (ii) the decision was based on sufficient information, (iii) the director exercised reasonable care, and (iv) the director believed that the decision was in the best interests of the company and all shareholders.
     

  • Abolition of Special Breach of Fiduciary Duty Provisions under KCC: (Bill No. 2211209, 2211962, 2212460, etc.) There are proposals to delete provisions related to special breach of trust such as Article 622 of the KCC, or to limit the requirements of special breach of trust under the KCC from acts in “violation of duty” to acts “in violation of duties owed for the benefit of the company.”
     

If enacted, the proposed amendments to the KCC would limit the expansive application of charges of breach of trust. These amendments are expected to foster an environment where directors can prioritize the company’s long-term interests and sustainable growth, ultimately enhancing shareholder value and strengthening corporate competitiveness.

Meanwhile, the business community appears to be pursuing measures to raise the monetary thresholds for large listed companies and to narrow the scope of specially related parties under the KCC, in line with the standards set forth under the Monopoly Regulation and Fair Trade Act. Accordingly, companies should keep track of not only the amended provisions of the KCC, but also the direction of amendments to the Enforcement Decree of the KCC, which define large listed companies and specially related parties.
 

3.

Legislative Developments in Financial Investment Services and Capital Markets Act Concerning Introduction of Mandatory Tender Offer System

The current KCC and the Financial Investment Services and Capital Markets Act (the “FSCMA”) provide mechanisms to protect the rights and interests of general shareholders – such as special resolutions at general meetings of shareholders and appraisal rights – in restructuring transactions like mergers and acquisitions. However, in the case of share transfer transactions – which are widely used in corporate M&A – it has been pointed out that there is insufficient protection of general shareholders, since even if the acquirer pays a control premium to acquire shares and thereby gain management control over the target company, the relevant benefits would not be shared with all shareholders as would be the case in restructuring transactions such as mergers.

To address this issue, National Assembly Representative Kim Hyunjung proposed an amendment to the FSCMA (Bill No. 2212501) on August 29, 2025. This amendment bill introduces, among other things: (i) the mandatory tender offer system, under which a shareholder who, together with specially related parties, comes to own 25% or more of the total issued shares of a company would be required to make a tender offer for all of the remaining outstanding shares of the relevant company, and (ii) a tender offer price requirement, requiring the offer price to be set above a threshold prescribed by Presidential Decree, taking into account both the preceding purchase price and the company’s net asset value.

If implemented, this mandatory tender offer system would impose significant additional financial and procedural burdens on those seeking to acquire management control of listed companies, as they would not only need to secure substantial additional funds but also comply with tender offer processes. This could represent a new regulatory risk for companies pursuing strategic M&A or governance restructuring transactions.

Accordingly, companies considering or pursuing the acquisition of shares in listed companies should carefully assess the potential impact of the mandatory tender offer system – including increased costs and possible delays in transaction timetables – and prepare appropriate response strategies in advance. It may also be advisable to consider alternative transaction structures, such as securing strategic minority stakes within the thresholds that do not trigger the mandatory tender offer obligations, depending on the relevant circumstances of the concerned company.

 

The second amendment to the KCC is expected to introduce significant changes to the functioning of listed companies’ general shareholders’ meetings, boards of directors, audit committees and overall corporate governance policies. In light of the new regulatory environment – which places greater emphasis on shareholder rights and management transparency – companies should proactively assess potential risks and challenges and swiftly develop optimal operational strategies tailored to their specific circumstances and industries. Additionally, companies should closely follow ongoing discussions regarding further amendments to the KCC and the FSCMA, which aim to institutionalize the mandatory cancellation of treasury stocks and introduce a mandatory tender offer system. By thoroughly analyzing the impact of this evolving legal and institutional landscape and proactively implementing systematic response measures – including restructuring corporate policies and procedures – companies can be better positioned to strengthen the stability and resilience of their management practices.

 

[Korean Version]

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