The directors of the company have elected not to include a copy of the profit and loss account within the financial statements.true

These financial statements have been prepared and delivered in accordance with the provisions applicable to companies subject to the small companies regime.

Phagenesis Limited is a private company limited by shares incorporated in England and Wales. The registered office is Unit 18, Enterprise House, Pencroft Way, Manchester Science Park, Manchester, M15 6SE.

These financial statements have been prepared in accordance with FRS 102 “The Financial Reporting Standard applicable in the UK and Republic of Ireland” (“FRS 102”) and the requirements of the Companies Act 2006 as applicable to companies subject to the small companies regime. The disclosure requirements of section 1A of FRS 102 have been applied other than where additional disclosure is required to show a true and fair view.

The financial statements are prepared in sterling, which is the functional currency of the company. Monetary amounts in these financial statements are rounded to the nearest £.

The financial statements have been prepared under the historical cost convention, modified to include the certain financial instruments at fair value. The principal accounting policies adopted are set out below.

The company has taken advantage of the exemption under section 399 of the Companies Act 2006 not to prepare consolidated accounts, on the basis that the group of which this is the parent qualifies as a small group. The financial statements present information about the company as an individual entity and not about its group.

As described in more detail in the "Events after the reporting date" note, subsequent to the year end the company issued further shares under the terms of the series D funding round which successfully closed on 27 April 2026. This has provided operational working capital funds for a significant period of time.true

As a result, the directors have, at the time of approving the financial statements, a reasonable expectation that the company has adequate resources to continue in operational existence for the foreseeable future. Thus, the directors continue to adopt the going concern basis of accounting in preparing the financial statements.

Turnover is recognised at the fair value of the consideration received or receivable for goods and services provided in the normal course of business, and is shown net of VAT and other sales related taxes. The fair value of consideration takes into account costs of financing.

Research and development expenditure is written off against profits in the year in which it is incurred.

Intangible assets acquired separately from a business are recognised at cost and are subsequently measured at cost less accumulated amortisation and accumulated impairment losses.

Amortisation is recognised so as to write off the cost or valuation of assets less their residual values over their useful lives on the following bases:

Tangible fixed assets are initially measured at cost and subsequently measured at cost or valuation, net of depreciation and any impairment losses.

Depreciation is recognised so as to write off the cost or valuation of assets less their residual values over their useful lives on the following bases:

The gain or loss arising on the disposal of an asset is determined as the difference between the sale proceeds and the carrying value of the asset, and is credited or charged to profit or loss.

Interests in subsidiaries, associates and jointly controlled entities are initially measured at cost and subsequently measured at cost less any accumulated impairment losses. The investments are assessed for impairment at each reporting date and any impairment losses or reversals of impairment losses are recognised immediately in profit or loss.

A subsidiary is an entity controlled by the company. Control is the power to govern the financial and operating policies of the entity so as to obtain benefits from its activities.

An associate is an entity, being neither a subsidiary nor a joint venture, in which the company holds a long-term interest and where the company has significant influence. The company considers that it has significant influence where it has the power to participate in the financial and operating decisions of the associate.

Entities in which the company has a long term interest and shares control under a contractual arrangement are classified as jointly controlled entities.

At each reporting period end date, the company reviews the carrying amounts of its tangible and intangible assets to determine whether there is any indication that those assets have suffered an impairment loss. If any such indication exists, the recoverable amount of the asset is estimated in order to determine the extent of the impairment loss (if any). Where it is not possible to estimate the recoverable amount of an individual asset, the company estimates the recoverable amount of the cash-generating unit to which the asset belongs.

Stocks are stated at the lower of cost and estimated selling price less costs to complete and sell.

At each reporting date, an assessment is made for impairment. Any excess of the carrying amount of stocks over its estimated selling price less costs to complete and sell is recognised as an impairment loss in profit or loss.

Cash and cash equivalents are basic financial assets and include cash in hand, deposits held at call with banks, other short-term liquid investments with original maturities of six months or less, and bank overdrafts. Bank overdrafts are shown within borrowings in current liabilities.

The company has elected to apply the provisions of Section 11 ‘Basic Financial Instruments’ and Section 12 ‘Other Financial Instruments Issues’ of FRS 102 to all of its financial instruments.

Financial instruments are recognised in the company's balance sheet when the company becomes party to the contractual provisions of the instrument.

Financial assets and liabilities are offset, with the net amounts presented in the financial statements, when there is a legally enforceable right to set off the recognised amounts and there is an intention to settle on a net basis or to realise the asset and settle the liability simultaneously.

Short term debtors are measured at transaction price, less any impairment. Other debtors are measured initially at fair value, and are measured subsequently at amortised cost, less any impairment.

Financial liabilities and equity instruments are classified according to the substance of the contractual arrangements entered into. An equity instrument is any contract that evidences a residual interest in the assets of the company after deducting all of its liabilities.

Short term trade creditors are measured at transaction price. Other financial liabilities are measured initially at fair value, net of transaction costs, and are measured subsequently at amortised cost.

The component parts of compound instruments issued by the company are classified separately as financial liabilities and equity in accordance with the substance of the contractual arrangement. At the date of issue, the fair value of the liability component is estimated using the prevailing market interest rate for a similar non-convertible instrument. This amount is recorded as a liability on an amortised cost basis using the effective interest method until extinguished upon conversion or at the instrument's maturity date. The equity component is determined by deducting the amount of the liability component from the fair value of the compound instrument as a whole. This is recognised and included in equity net of income tax effects and is not subsequently remeasured.

Equity instruments issued by the company are recorded at the proceeds received.

Derivatives are initially recognised at fair value at the date a derivative contract is entered into and are subsequently remeasured to fair value at each reporting end date. The resulting gain or loss is recognised in profit or loss immediately unless the derivative is designated and effective as a hedging instrument, in which event the timing of the recognition in profit or loss depends on the nature of the hedge relationship.

A derivative with a positive fair value is recognised as a financial asset, whereas a derivative with a negative fair value is recognised as a financial liability.

Changes in the fair value of derivatives that are designated and qualify as fair value hedges are recognised in profit or loss immediately, together with any changes in the fair value of the hedged asset or liability that are attributable to the hedged risk.

The tax expense represents the sum of the tax currently payable and deferred tax.

The tax currently payable is based on taxable profit for the year. Taxable profit differs from net profit as reported in the profit and loss account because it excludes items of income or expense that are taxable or deductible in other years and it further excludes items that are never taxable or deductible. The company’s liability for current tax is calculated using tax rates that have been enacted or substantively enacted by the reporting end date.

Deferred tax liabilities are generally recognised for all timing differences and deferred tax assets are recognised to the extent that it is probable that they will be recovered against the reversal of deferred tax liabilities or other future taxable profits. Such assets and liabilities are not recognised if the timing difference arises from goodwill or from the initial recognition of other assets and liabilities in a transaction that affects neither the tax profit nor the accounting profit.

The carrying amount of deferred tax assets is reviewed at each reporting end date and reduced to the extent that it is no longer probable that sufficient taxable profits will be available to allow all or part of the asset to be recovered. Deferred tax is calculated at the tax rates that are expected to apply in the period when the liability is settled or the asset is realised. Deferred tax is charged or credited in the profit and loss account, except when it relates to items charged or credited directly to equity, in which case the deferred tax is also dealt with in equity. Deferred tax assets and liabilities are offset when the company has a legally enforceable right to offset current tax assets and liabilities and the deferred tax assets and liabilities relate to taxes levied by the same tax authority.

The costs of short-term employee benefits are recognised as a liability and an expense.

The cost of any unused holiday entitlement is recognised in the period in which the employee’s services are received.

Equity-settled share-based payments are measured at fair value at the date of grant by reference to the fair value of the equity instruments granted using the Black-Scholes model. The fair value determined at the grant date is expensed on a straight-line basis over the vesting period, based on the estimate of shares that will eventually vest. A corresponding adjustment is made to equity.

When the terms and conditions of equity-settled share-based payments at the time they were granted are subsequently modified, the fair value of the share-based payment under the original terms and conditions and under the modified terms and conditions are both determined at the date of the modification. Any excess of the modified fair value over the original fair value is recognised over the remaining vesting period in addition to the grant date fair value of the original share-based payment. The share-based payment expense is not adjusted if the modified fair value is less than the original fair value.

Cancellations or settlements (including those resulting from employee redundancies) are treated as an acceleration of vesting and the amount that would have been recognised over the remaining vesting period is recognised immediately.

Rentals payable under operating leases, including any lease incentives received, are charged to profit or loss on a straight line basis over the term of the relevant lease except where another more systematic basis is more representative of the time pattern in which economic benefits from the leases asset are consumed.

Transactions in currencies other than pounds sterling are recorded at the rates of exchange prevailing at the dates of the transactions. At each reporting end date, monetary assets and liabilities that are denominated in foreign currencies are retranslated at the rates prevailing on the reporting end date. Gains and losses arising on translation in the period are included in profit or loss.

In the application of the company’s accounting policies, the directors are required to make judgements, estimates and assumptions about the carrying amount of assets and liabilities that are not readily apparent from other sources. The estimates and associated assumptions are based on historical experience and other factors that are considered to be relevant. Actual results may differ from these estimates.

The estimates and underlying assumptions are reviewed on an ongoing basis. Revisions to accounting estimates are recognised in the period in which the estimate is revised where the revision affects only that period, or in the period of the revision and future periods where the revision affects both current and future periods.

The estimates and assumptions which have a significant risk of causing a material adjustment to the carrying amount of assets and liabilities are as follows.

The company has granted share options. The options have been calculated using the Black-Scholes model which requires judgement in determining and assessing key assumptions and therefore results in some estimation uncertainty.

The average monthly number of persons (including directors) employed by the company during the year was:

Shares in group undertakings represent the company's 100% interest in the issued share capital of the following entities:

- Phagenesis Inc, a company incorporated in the USA. At 31 December 2025 the company owned 1,000 shares at $0.0001 per share.

- Phagenesis Germany GmbH, a company incorporated in Germany. At 31 December 2025 the company owned 25,000 shares at €1 per share.

- Phagenesis Austria GmbH, a company incorporated in Austria. At 31 December 2025 the company owned 35,000 shares at €1 per share, of this amount only €10,000 was paid on acquisition date with the remainder falling due within the next 10 years.

The company has taken advantage of transitional exemptions not to apply FRS102 1A to any share-based payment transactions entered into before the transition date of 1 August 2015.

The total number of options granted prior to transition to FRS102 that were exercisable as at 31 December 2025 is 13,468 (2024 – 34,448), once vested these options can be exercised at an exercise price of £1.99 per share. 20,980 share options granted prior to transition lapsed during the year ended 31 December 2025 (2024 – 23,176).

The following information therefore only discloses information about share-based payment transactions granted on or after 1 August 2015:

During the year, the company recognised total share-based payment costs of £155,500 (2024 - £2,187) which related to equity settled share based payment transactions.

On 29 August 2025, 1,425,754 Series D3 shares of 1p each were issued for a total consideration of £9,651,171.

On 1 September 2025, 12,054 Growth shares of 1p each were issued for a total consideration of £121.

On 6 October 2025, 72,409 Growth shares of 1p each were issued for a total consideration of £16,654.

On 19 November 2025, 1,888 Common shares of 1p each were issued for a total consideration of £3,757.

On 9 December 2025, 98,727 Growth shares of 1p each were issued for a total consideration of £987.

Legal fees of £63,703 associated with the share issues noted above have been netted off the share premium account.

The rights attaching to each category of share capital can be found in the company's Articles of Association.

As the income statement has been omitted from the filing copy of the financial statements, the following information in relation to the audit report on the statutory financial statements is provided in accordance with s444(5B) of the Companies Act 2006.

The auditor's report is unqualified and includes the following:

In our opinion the financial statements:

• give a true and fair view of the state of the company's affairs as at 31 December 2025 and of its loss for the year then ended;

• have been properly prepared in accordance with United Kingdom Generally Accepted Accounting Practice; and

• have been prepared in accordance with the requirements of the Companies Act 2006.

At the reporting end date the company had outstanding commitments for future minimum lease payments under non-cancellable operating leases, as follows:

Amounts contracted for but not provided in the financial statements:

On 27 April 2026, 1,311,475 Series D3 shares of 1p each were issued for a total consideration of £8,914,797.

Any directors or senior employees who have authority and responsibility for controlling the activities of the company are considered to be key management personnel. Total remuneration in respect of these individuals for the year ending 31 December 2025 amounted to £957,073 (2024 - £702,759).

The company owns 100% of the issued share capital of Phagenesis Inc, a company incorporated in the USA. The company also owns 100% of the issued share capital of Phagenesis Austria GmbH and Phagenesis Germany GmbH, companies incorporated within Austria and Germany respectively.

At 31 December 2025, included within amounts due from / (to) group undertakings are the following amounts: