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ASSURED GUARANTY LTD

For the period ended Dec 31, 2025. Filed Feb 27, 2026.

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A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Feb 27, 2026

AGO$73.93+0.2%Stored close · as of Nov 10, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

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Contents

Risks Related to Taxation

Changes in U.S. tax laws could reduce the demand or profitability of financial guaranty insurance, or negatively impact the Company’s investments.

Changes in U.S. federal, state or local laws that materially adversely affect the tax treatment of municipal securities, including potential loss of tax-exemption, may impact the market for those securities and result in lower volume and demand for municipal obligations and also may adversely impact the value and liquidity of the Company’s investments, a significant portion of which is invested in tax-exempt instruments.

Certain of the Company’s non-U.S. subsidiaries may be subject to U.S. tax.

The Company manages its business so that AGL and its non-U.S. subsidiaries (except for its non-U.S. subsidiaries that elect to be taxed as a U.S. corporation) operate in such a manner that none of them should be subject to U.S. federal tax (other than U.S. excise tax on insurance and reinsurance premium income attributable to insuring or reinsuring U.S. risks, and U.S. withholding tax on certain U.S. source investment income). However the Company cannot be certain that the IRS will not contend successfully that AGL or any of its non-U.S. subsidiaries (except for its non-U.S. subsidiaries that elect to be taxed as a U.S. corporation) is/are engaged in a trade or business in the U.S., in which case each such company could be subject to U.S. corporate income and branch profits taxes on the portion of its earnings effectively connected to such U.S. business. See Item 1. Business — Tax Matters — Taxation of AGL and Subsidiaries— United States.

AGL may become, and AG Re and AGRO are, subject to taxes in Bermuda, which may adversely affect the Company’s future results of operations and an investment in the Company.

The Bermuda Minister of Finance, under Bermuda’s Exempted Undertakings Tax Protection Act 1966, as amended, has given AGL, AG Re and AGRO an assurance that if any legislation is enacted in Bermuda that would impose tax computed on profits or income, or computed on any capital asset, gain or appreciation, or any tax in the nature of estate duty or inheritance tax, then subject to certain limitations the imposition of any such tax will not be applicable to AGL, AG Re or AGRO, or any of AGL’s or its subsidiaries’ operations, stocks, debentures or other obligations until March 31, 2035.

Notwithstanding the above, on December 27, 2023 the Government of Bermuda enacted a corporate income tax which applies to accounting periods starting on or after January 1, 2025. Importantly, under the Corporate Income Tax Act 2023 of Bermuda, any liability to the tax will apply regardless of any assurances previously provided under the Exempted Undertakings Tax Protection Act 1966 of Bermuda. Broadly, the Bermuda corporate income tax is intended to be treated as a covered tax for the purposes of Pillar Two (see below) and therefore no double taxation is expected to arise from these rules and the top-up taxes under Pillar Two in other jurisdictions. AG Re and AGRO are subject to this tax beginning in 2025.

Further, the Corporate Income Tax Act 2023 of Bermuda incorporates a number of measures which allow Bermuda resident companies to recognize deferred tax assets in respect of certain ETAs which may be utilized in the calculation of the Company’s effective tax rate for the purposes of top-up taxes in other jurisdictions. The Company believes that the corporate income tax imposed by the Corporate Income Tax Act 2023 of Bermuda would not be applicable to AGL because AGL is a UK tax resident but is applicable to its Bermuda subsidiaries.

However, the treatment of the Bermuda corporate income tax as a covered tax is subject to interpretation in other jurisdictions and therefore remains uncertain at this time. If the Bermuda corporate income tax is not regarded as a covered tax for the purposes of Pillar Two in other jurisdictions, this may have a material impact on the Company’s future income tax expense. In addition, a change in the Corporate Income Tax Act 2023 or its interpretation, or any change in the regulatory treatment of the corporate income tax or matters related thereto, by Bermuda could adversely affect Assured Guaranty’s financial results. See “– Assured Guaranty’s financial results may be affected by measures taken in response to the OECD BEPS project”.

U.S. Persons who hold 10% or more of AGL’s shares directly or through non-U.S. entities may be subject to taxation under the U.S. CFC rules.

If AGL and/or a non-U.S. subsidiary is considered a CFC, a U.S. Person that is treated as owning 10% or more of AGL’s shares may be required to include in income for U.S. federal income tax purposes its pro rata share of certain income of AGL and its non-U.S. subsidiaries for a taxable year, even if such income is not distributed and may be subject to U.S. federal income tax on a portion of any gain upon a sale or other disposition of its shares at ordinary income tax rates.

No assurance may be given that a U.S. Person who owns the Company’s shares will not be characterized as owning 10% or more of AGL and/or its non-U.S. subsidiaries under the CFC rules, in which case such U.S. Person may be subject to taxation under such rules. See Item 1. Business — Tax Matters, — Taxation of Shareholders ─ United States Taxation ─ Classification of AGL or its Non-U.S. Subsidiaries as a CFC.

U.S. Persons who hold shares may be subject to U.S. income taxation at ordinary income rates on their proportionate share of the Company’s RPII.

If any Foreign Insurance Subsidiary generates RPII (broadly defined as insurance and related investment income attributable to the insurance of a U.S. shareholder and certain related persons to such shareholder) and certain exceptions are not met, each U.S. Person owning AGL shares (directly or indirectly through foreign entities) may be required to include in income for U.S. federal income tax purposes its pro rata share of the Foreign Insurance Subsidiary’s RPII, regardless of whether such income is distributed and may be subject to U.S. federal income tax on a portion of any gain upon a sale or other disposition of its shares at ordinary tax rates (even if an exception to the RPII rules applies).

The Company believes that each of its Foreign Insurance Subsidiaries should qualify for an exception to the RPII rules and the rules that subject gain on sale or disposition of shares to ordinary tax rates would not apply to the disposition of AGL shares. However, the Company cannot be certain that this will be the case because some of the factors which determine the extent of RPII may be beyond its control and rules regarding the treatment of gain on disposition of shares have not been interpreted or finalized. Proposed regulations could, if finalized in their current form, substantially expand the definition of RPII to include insurance income of the Company’s Foreign Insurance Subsidiaries related to affiliate reinsurance transactions. If these proposed regulations are finalized in their current form, it could limit the Company’s ability to execute affiliate reinsurance transactions that would otherwise be undertaken for non-tax business reasons in the future and could increase the risk that gross RPII could constitute 20% or more of the gross insurance income of one or more of the Company’s Foreign Insurance Subsidiaries in a particular taxable year, which could result in such RPII being taxable to U.S. Persons that own or are treated as owning shares of AGL. U.S. Persons owning or treated as owning shares of AGL should consult their tax advisors as to the effect of these uncertainties. See Item 1. Business — Tax Matters — Taxation of Shareholders — United States Taxation — The RPII CFC Provisions; Disposition of AGL Shares.

U.S. tax-exempt shareholders may be subject to the unrelated business taxable income rules with respect to certain insurance income of the Foreign Insurance Subsidiaries.

U.S. tax-exempt shareholders may be required to treat insurance income includable under the CFC or RPII rules as unrelated business taxable income. See Item 1. Business — Tax Matters — Taxation of Shareholders — United States Taxation — Tax-Exempt Shareholders.

U.S. Persons who hold AGL’s shares will be subject to adverse tax consequences if AGL is considered to be PFIC for U.S. federal income tax purposes.

If AGL is considered a PFIC for U.S. federal income tax purposes, a U.S. Person who owns any shares of AGL will be subject to adverse tax consequences that could materially adversely affect its investment, including subjecting the investor to both a greater tax liability than might otherwise apply and an interest charge or other unfavorable rules (either a mark-to-market or current inclusion regime). The Company believes that AGL was not a PFIC for U.S. federal income tax purposes for taxable years through 2025 and, based on the application of certain PFIC look-through rules and the Company’s plan of operations for the current and future years, should not be a PFIC in the future. See Item 1. Business — Tax Matters — Taxation of Shareholders — United States Taxation — Passive Foreign Investment Companies.

Changes in U.S. federal income tax law may adversely affect the Company and an investment in AGL’s common shares.

The tax treatment of non-U.S. companies and their U.S. and non-U.S. subsidiaries may be the subject of future legislation that could have an adverse impact on the Company and/or its shareholders. For example, U.S. federal income tax laws and interpretations regarding whether a company is engaged in a trade or business within the U.S. or is a PFIC, or whether U.S. Persons would be required to include in their gross income the “subpart F income” of a CFC or RPII CFC are subject to change, possibly on a retroactive basis. The Company cannot be certain if, when, or in what form any future regulations or pronouncements may be implemented or made, or whether such guidance will have a retroactive effect. See Item 1. Business — Tax Matters — United States Tax Reform.

An ownership change under Section 382 of the Code could have adverse U.S. federal tax consequences.

If AGL were to issue equity securities in the future, including in connection with any strategic transaction, or if previously issued securities of AGL were to be sold by the current holders, AGL may experience an “ownership change” within the meaning of Section 382 of the Code. In general terms, an ownership change would result from transactions increasing the aggregate ownership of certain holders in AGL’s shares by more than 50 percentage points over a testing period (generally three years). If an ownership change occurred, the Company’s ability to use certain tax attributes, including certain built-in losses, credits, deductions or tax basis and/or the Company’s ability to continue to reflect the associated tax benefits as assets on AGL’s balance sheet, may be limited. The Company cannot give any assurance that AGL will not undergo an ownership change at a time when these limitations could materially adversely affect the Company’s financial condition.

A change in AGL’s U.K. tax residence or its ability to otherwise qualify for the benefits of income tax treaties to which the U.K. is a party could adversely affect an investment in AGL’s common shares.

AGL is not incorporated in the U.K. and, accordingly, is only resident in the U.K. for U.K. tax purposes if it is “centrally managed and controlled” in the U.K. Central management and control constitutes the highest level of control of a company’s affairs. AGL believes it is entitled to take advantage of the benefits of income tax treaties to which the U.K. is a party on the basis that it is has established central management and control in the U.K. In 2013, AGL obtained confirmation that there was a low risk of challenge to its residency status from HMRC on the facts as they were at that time. The Board intends to manage the affairs of AGL in such a way as to maintain its status as a company that is tax resident in the U.K. for U.K. tax purposes and to qualify for the benefits of income tax treaties to which the U.K. is a party. However, the concept of central management and control is a case-law concept that is not comprehensively defined in U.K. statute. In addition, it is a question of fact. Moreover, tax treaties may be revised in a way that causes AGL to fail to qualify for benefits thereunder. Accordingly, a change in relevant U.K. tax law or in tax treaties to which the U.K. is a party, or in AGL’s central management and control as a factual matter, or other events, could adversely affect the ability of Assured Guaranty to manage its capital in the efficient manner that it contemplated in establishing U.K. tax residence.

Changes in U.K. tax law or in AGL’s ability to satisfy all the conditions for exemption from U.K. taxation on dividend income or capital gains in respect of its direct subsidiaries could affect an investment in AGL’s common shares.

As a U.K. tax resident, AGL is subject to U.K. corporation tax in respect of its worldwide profits (both income and capital gains), subject to applicable exemptions.

With respect to income, the dividends that AGL receives from its subsidiaries should be exempt from U.K. corporation tax under the exemption contained in section 931D of the Corporation Tax Act 2009.

With respect to capital gains, if AGL were to dispose of shares in its direct subsidiaries or if it were deemed to have done so, it may realize a chargeable gain for U.K. tax purposes. Any tax charge would be based on AGL’s original acquisition cost. It is anticipated that any such future gain should qualify for exemption under the substantial shareholding exemption in Schedule 7AC to the Taxation of Chargeable Gains Act 1992. However, the availability of such exemption would depend on facts at the time of disposal, in particular the “trading” nature of the relevant subsidiary. There is no statutory definition of what constitutes “trading” activities for this purpose and in practice reliance is placed on the published guidance of HMRC.

A change in U.K. tax law or its interpretation by HMRC, or any failure to meet all the qualifying conditions for relevant exemptions from U.K. corporation tax, could affect Assured Guaranty’s financial results of operations or its ability to provide returns to shareholders.

An adverse adjustment under U.K. legislation governing the taxation of U.K. tax resident holding companies on the profits of their non-U.K. subsidiaries could adversely impact Assured Guaranty’s tax liability.

Under the U.K. “controlled foreign company” regime, the income profits of non-U.K. resident companies may, in certain circumstances, be attributed to controlling U.K. resident shareholders for U.K. corporation tax purposes. The non-U.K. resident members of the Assured Guaranty group intend to operate and manage their levels of capital in such a manner that their profits would not be taxed on AGL under the U.K. CFC regime. In 2013, Assured Guaranty obtained clearance from HMRC that none of the profits of the non-U.K. resident members of the Assured Guaranty group should be subject to U.K. tax as a result of attribution under the CFC regime on the facts as they were at the time. However, a change in the way in which Assured Guaranty operates or any further change in the CFC regime, resulting in an attribution to AGL of any of the income profits of AGL’s non-U.K. resident subsidiaries for U.K. corporation tax purposes, could adversely affect Assured Guaranty’s financial results of operations.

An adverse adjustment under U.K. transfer pricing legislation or the imposition of diverted profits tax could adversely impact Assured Guaranty’s tax liability.

If any arrangements between U.K. resident companies in the Assured Guaranty group and other members of the Assured Guaranty group (whether resident in or outside the U.K.) are found not to be on arm's length terms and as a result a U.K. tax advantage is being obtained, an adjustment will be required to compute U.K. taxable profits as if such arrangement were on arm's length terms. Any transfer pricing adjustment could adversely affect Assured Guaranty’s results of operations. Further, following consultation in Spring 2025, on December 4, 2025, the U.K. government published the draft Finance Bill which repeals the law relating to diverted profits tax and incorporates analogous anti-avoidance measures within the U.K.'s transfer pricing regime. Pursuant to the new charging provisions, if a company within the charge to U.K. corporation tax has "unassessed transfer pricing profits" (UTPP) such profits may be subject to corporation tax at the higher “UTPP rate” (currently 31%). If any U.K. resident company in the Assured Guaranty group is liable to corporation tax at the UTPP rate, this could adversely affect the Company's results of operations.

Since January 1, 2016, the U.K. has implemented a country-by-country reporting (CBCR) regime whereby large multi-national enterprises are required to report details of their operations and intra-group transactions in each jurisdiction. The U.K. CBCR legislation includes power to introduce regulations requiring public disclosure of U.K. CBCR reports, although this power has not yet been exercised. It is possible that Assured Guaranty’s approach to transfer pricing may become subject to greater scrutiny from the tax authorities in the jurisdictions in which the group operates in consequence of the implementation of a CBCR regime in the U.K. (or other jurisdictions).

Assured Guaranty’s financial results may be affected by measures taken in response to the OECD BEPS project.

The Organization for Economic Cooperation and Development (OECD) has developed guidance known as base erosion and profit shifting as part of its initiative to address corporate tax planning strategies used by some multinationals to shift profits from higher-tax jurisdictions to lower-tax jurisdictions or no-tax jurisdictions. This guidance generally imposes rules with a global minimum tax of 15%, and many jurisdictions have enacted implementing legislation or are in the course of doing so. In particular, the U.K. enacted legislation in July 2023 and February 2024, and HMRC published guidance in respect of such legislation which broadly implement the OECD’s guidance into U.K. domestic legislation of accounting periods starting on or after December 31 2023. In addition, in December 2023 the Government of Bermuda adopted legislation for a corporate income tax which would share many key concepts with the Model Rules and is intended to constitute a “covered tax” for the purposes of the Model Rules. See “– AGL may become, and AG Re and AGRO are, subject to taxes in Bermuda, which may adversely affect the Company’s future results of operations and an investment in the Company” above. In many countries, the rules will apply from January 1, 2024, although some jurisdictions have elected to postpone for one year or more.

In January 2025, the OECD issued Administrative Guidance on Article 9.1 of the Global Anti-Base Erosion Model Rules, which excludes certain deferred tax assets for purposes of computing a multinational enterprise group’s effective tax rate when they arose prior to the application of the global minimum tax as a result of certain governmental arrangements or following the introduction of a new corporate income tax. If this guidance were adopted in countries in which the Company operates it could adversely affect tax expense.

The Company’s analysis is ongoing as the OECD continues to release additional guidance, countries enact legislation, and the U.S. formulates its potential response. To the extent additional legislative changes take place in the countries in which the Company operates, it is possible that they will alter long-standing tax principles, be highly complex and be subject to differing applications and interpretations across jurisdictions. Although the Company cannot predict the approach of each relevant jurisdiction to the OECD’s framework, their implementation could adversely affect Assured Guaranty’s tax liability.

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