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REGISTERED NUMBER: 02899981 (England and Wales)

| Report of the Directors and |

| Financial Statements |

| for the Year Ended 31 December 2024 |

| for |

| Lattice Semiconductor UK Ltd. |

| Lattice Semiconductor UK Ltd. (Registered number: 02899981) |

Contents of the Financial Statements

for the Year Ended 31 December 2024

Page |

| Company Information | 1 |

| Report of the Directors | 2 |

| Report of the Independent Auditors | 3 |

| Income Statement | 6 |

| Balance Sheet | 7 |

| Notes to the Financial Statements | 8 |

| Lattice Semiconductor UK Ltd. |

Company Information

for the Year Ended 31 December 2024

| DIRECTORS: | T A Feanny

| L A Flores

| SECRETARY: | T A Feanny

| REGISTERED OFFICE: | 3 Manor Royal

| Crawley

| West Sussex

| RH10 9LU

| REGISTERED NUMBER: | 02899981 (England and Wales)

| Lattice Semiconductor UK Ltd. (Registered number: 02899981) |

Report of the Directors

for the Year Ended 31 December 2024

The directors present their report with the financial statements of the company for the year ended 31 December 2024.

PRINCIPAL ACTIVITY

The principal activity of the company in the year under review was that of providing sales and marketing support to its ultimate parent company in the US.

REVIEW OF BUSINESS

The company has seen a decrease in its turnover for the year to £209k from £438k in 2023. With shareholder funds standing at £614k (2023 - £577k) the directors believe that the company is well placed for the future and do not anticipate any major changes in either the operation of the company or its results.

DIRECTORS

T A Feanny has held office during the whole of the period from 1 January 2024 to the date of this report.

Other changes in directors holding office are as follows:

S R Luther - resigned 10 October 2024

L A Flores - appointed 17 April 2025

STATEMENT OF DIRECTORS' RESPONSIBILITIES

The directors are responsible for preparing the Report of the Directors and the financial statements in accordance with applicable law and regulations.

Company law requires the directors to prepare financial statements for each financial year. Under that law the directors have elected to prepare the financial statements in accordance with United Kingdom Generally Accepted Accounting Practice (United Kingdom Accounting Standards and applicable law). Under company law the directors must not approve the financial statements unless they are satisfied that they give a true and fair view of the state of affairs of the company and of the profit or loss of the company for that period. In preparing these financial statements, the directors are required to:

- | select suitable accounting policies and then apply them consistently;

- | make judgements and accounting estimates that are reasonable and prudent;

- | prepare the financial statements on the going concern basis unless it is inappropriate to presume that the company will continue in business.

The directors are responsible for keeping adequate accounting records that are sufficient to show and explain the company's transactions and disclose with reasonable accuracy at any time the financial position of the company and enable them to ensure that the financial statements comply with the Companies Act 2006. They are also responsible for safeguarding the assets of the company and hence for taking reasonable steps for the prevention and detection of fraud and other irregularities.

STATEMENT AS TO DISCLOSURE OF INFORMATION TO AUDITORS

So far as the directors are aware, there is no relevant audit information (as defined by Section 418 of the Companies Act 2006) of which the company's auditors are unaware, and each director has taken all the steps that he or she ought to have taken as a director in order to make himself or herself aware of any relevant audit information and to establish that the company's auditors are aware of that information.

AUDITORS

The auditors, Sumer Audit, will be proposed for re-appointment at the forthcoming Annual General Meeting.

This report has been prepared in accordance with the provisions of Part 15 of the Companies Act 2006 relating to small companies.

ON BEHALF OF THE BOARD:

L A Flores - Director

2 October 2025

Report of the Independent Auditors to the Members of

Lattice Semiconductor UK Ltd.

Opinion

We have audited the financial statements of Lattice Semiconductor UK Ltd. (the 'company') for the year ended 31 December 2024 which comprise the Income Statement, Balance Sheet and Notes to the Financial Statements, including a summary of significant accounting policies. The financial reporting framework that has been applied in their preparation is applicable law and United Kingdom Accounting Standards, including Financial Reporting Standard 102 'The Financial Reporting Standard applicable in the UK and Republic of Ireland' (United Kingdom Generally Accepted Accounting Practice).

In our opinion the financial statements:

- | give a true and fair view of the state of the company's affairs as at 31 December 2024 and of its profit 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.

Basis for opinion

We conducted our audit in accordance with International Standards on Auditing (UK) (ISAs (UK)) and applicable law. Our responsibilities under those standards are further described in the Auditors' responsibilities for the audit of the financial statements section of our report. We are independent of the company in accordance with the ethical requirements that are relevant to our audit of the financial statements in the UK, including the FRC's Ethical Standard, and we have fulfilled our other ethical responsibilities in accordance with these requirements. We believe that the audit evidence we have obtained is sufficient and appropriate to provide a basis for our opinion.

Conclusions relating to going concern

In auditing the financial statements, we have concluded that the directors' use of the going concern basis of accounting in the preparation of the financial statements is appropriate.

Based on the work we have performed, we have not identified any material uncertainties relating to events or conditions that, individually or collectively, may cast significant doubt on the company's ability to continue as a going concern for a period of at least twelve months from when the financial statements are authorised for issue.

Our responsibilities and the responsibilities of the directors with respect to going concern are described in the relevant sections of this report.

Other information

The directors are responsible for the other information. The other information comprises the information in the Report of the Directors, but does not include the financial statements and our Report of the Auditors thereon.

Our opinion on the financial statements does not cover the other information and, except to the extent otherwise explicitly stated in our report, we do not express any form of assurance conclusion thereon.

In connection with our audit of the financial statements, our responsibility is to read the other information and, in doing so, consider whether the other information is materially inconsistent with the financial statements or our knowledge obtained in the audit or otherwise appears to be materially misstated. If we identify such material inconsistencies or apparent material misstatements, we are required to determine whether this gives rise to a material misstatement in the financial statements themselves. If, based on the work we have performed, we conclude that there is a material misstatement of this other information, we are required to report that fact. We have nothing to report in this regard.

Opinions on other matters prescribed by the Companies Act 2006

In our opinion, based on the work undertaken in the course of the audit:

- | the information given in the Report of the Directors for the financial year for which the financial statements are prepared is consistent with the financial statements; and

- | the Report of the Directors has been prepared in accordance with applicable legal requirements.

Matters on which we are required to report by exception

In the light of the knowledge and understanding of the company and its environment obtained in the course of the audit, we have not identified material misstatements in the Report of the Directors.

We have nothing to report in respect of the following matters where the Companies Act 2006 requires us to report to you if, in our opinion:

- | adequate accounting records have not been kept, or returns adequate for our audit have not been received from branches not visited by us; or

- | the financial statements are not in agreement with the accounting records and returns; or

- | certain disclosures of directors' remuneration specified by law are not made; or

- | we have not received all the information and explanations we require for our audit; or

- | the directors were not entitled to prepare the financial statements in accordance with the small companies regime and take advantage of the small companies' exemption from the requirement to prepare a Strategic Report or in preparing the Report of the Directors.

Report of the Independent Auditors to the Members of

Lattice Semiconductor UK Ltd.

Responsibilities of directors

As explained more fully in the Statement of Directors' Responsibilities set out on page two, the directors are responsible for the preparation of the financial statements and for being satisfied that they give a true and fair view, and for such internal control as the directors determine necessary to enable the preparation of financial statements that are free from material misstatement, whether due to fraud or error.

In preparing the financial statements, the directors are responsible for assessing the company's ability to continue as a going concern, disclosing, as applicable, matters related to going concern and using the going concern basis of accounting unless the directors either intend to liquidate the company or to cease operations, or have no realistic alternative but to do so.

Auditors' responsibilities for the audit of the financial statements

Our objectives are to obtain reasonable assurance about whether the financial statements as a whole are free from material misstatement, whether due to fraud or error, and to issue a Report of the Auditors that includes our opinion. Reasonable assurance is a high level of assurance, but is not a guarantee that an audit conducted in accordance with ISAs (UK) will always detect a material misstatement when it exists. Misstatements can arise from fraud or error and are considered material if, individually or in the aggregate, they could reasonably be expected to influence the economic decisions of users taken on the basis of these financial statements.

The extent to which our procedures are capable of detecting irregularities, including fraud is detailed below:

Explanation as to what extent the audit was considered capable of detecting irregularities, including fraud

The objectives of our audit in respect of fraud, are; to identify and assess the risks of material misstatement of the financial statements due to fraud; to obtain sufficient appropriate audit evidence regarding the assessed risks of material misstatement due to fraud, through designing and implementing appropriate responses to those assessed risks; and to respond appropriately to instances of fraud or suspected fraud identified during the audit. However, the primary responsibility for the prevention and detection of fraud rests with both management and those charged with governance of the company.

Our approach was as follows:

We obtained an understanding of the legal and regulatory requirements applicable to the company and considered that the most significant are the Companies Act 2006, UK Financial Reporting Standards and UK taxation legislation.

We obtained an understanding of how the company complies with these requirements by discussions with management and those charged with governance.

We assessed the risk of material misstatement of the financial statements, including the risk of material misstatement due to fraud and how it might occur, by holding discussions with management and those charged with governance.

We inquired of management and those charged with governance as to any known instances of non-compliance or suspected non-compliance with laws and regulations.

Based on this understanding, we designed specific appropriate audit procedures to identify instances of non-compliance with laws and regulations. This included making enquiries of management and those charged with governance and obtaining additional corroborative evidence as required.

A further description of our responsibilities for the audit of the financial statements is located on the Financial Reporting Council's website at www.frc.org.uk/auditorsresponsibilities. This description forms part of our Report of the Auditors.

Report of the Independent Auditors to the Members of

Lattice Semiconductor UK Ltd.

Use of our report

This report is made solely to the company's members, as a body, in accordance with Chapter 3 of Part 16 of the Companies Act 2006. Our audit work has been undertaken so that we might state to the company's members those matters we are required to state to them in a Report of the Auditors and for no other purpose. To the fullest extent permitted by law, we do not accept or assume responsibility to anyone other than the company and the company's members as a body, for our audit work, for this report, or for the opinions we have formed.

Simon Cunningham (Senior Statutory Auditor)

for and on behalf of Sumer Audit

Statutory Auditor

Chartered Accountants

Lennox House

3 Pierrepont Street

Bath

BA1 1LB

10 October 2025

| Lattice Semiconductor UK Ltd. (Registered number: 02899981) |

Income Statement

for the Year Ended 31 December 2024

| 2024 |  | 2023

| Notes | £ | £ |

TURNOVER | 204,137 |  | 437,908 |  |

Administrative expenses | 183,770 |  | 367,770 |  |

20,367 |  | 70,138 |  |

Other operating income | - |  | 2,093 |  |

OPERATING PROFIT | 4 | 20,367 |  | 72,231 |  |

Cost of fundamental reorganisation | 5 | - |  | 53,141 |  |

20,367 |  | 19,090 |  |

Interest receivable and similar income | 8,631 |  | 6,153 |  |

PROFIT BEFORE TAXATION | 28,998 |  | 25,243 |  |

Tax on profit | 5,381 |  | 4,601 |  |

PROFIT FOR THE FINANCIAL YEAR | 23,617 |  | 20,642 |  |

| Lattice Semiconductor UK Ltd. (Registered number: 02899981) |

Balance Sheet

31 December 2024

| 2024 | 2023 |

| Notes | £ | £ | £ | £ |

FIXED ASSETS

Tangible assets | 6 | 401 |  | 1,363 |  |

CURRENT ASSETS

Debtors | 7 | 60,886 |  | 135,435 |  |

Cash at bank | 580,344 |  | 464,312 |  |

641,230 |  | 599,747 |  |

CREDITORS

Amounts falling due within one year | 8 | 30,371 |  | 24,558 |  |

NET CURRENT ASSETS | 610,859 |  | 575,189 |  |

TOTAL ASSETS LESS CURRENT LIABILITIES | 611,260 |  | 576,552 |  |

CAPITAL AND RESERVES

Called up share capital | 10 | 41,644 |  | 41,644 |  |

Capital contribution | 448,261 |  | 437,170 |  |

Retained earnings | 121,355 |  | 97,738 |  |

SHAREHOLDERS' FUNDS | 611,260 |  | 576,552 |  |

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

The financial statements were approved by the Board of Directors and authorised for issue on 2 October 2025 and were signed on its behalf by:

L A Flores - Director

| Lattice Semiconductor UK Ltd. (Registered number: 02899981) |

Notes to the Financial Statements

for the Year Ended 31 December 2024

1. | STATUTORY INFORMATION

| Lattice Semiconductor UK Ltd. is a private company, limited by shares , registered in England and Wales. The company's registered number and registered office address can be found on the Company Information page.

2. | ACCOUNTING POLICIES

| Basis of preparing the financial statements

| These financial statements have been prepared in accordance with Financial Reporting Standard 102 "The Financial Reporting Standard applicable in the UK and Republic of Ireland" including the provisions of Section 1A "Small Entities" and the Companies Act 2006. The financial statements have been prepared under the historical cost convention.

| Going concern

| At the balance sheet date, the company had net current assets of £614k (2023: £575k). The company continues to meet all its liabilities as they fall due and continues to receive the full backing and support of its ultimate parent company Lattice Semiconductor Corporation, a company incorporated in the United States of America.

| The directors have considered all aspects of the Company's business when looking at the going concern status and do not see any significant doubt as to the Company's ability to continue as a going concern for at least the next 12 months.

| Related party exemption

| The company has taken advantage of exemption, under the terms of Financial Reporting Standard 102 'The Financial Reporting Standard applicable in the UK and Republic of Ireland', not to disclose related party transactions with wholly owned subsidiaries within the group.

| Turnover

| Turnover represents net invoiced sales of services, excluding value added tax.

| Tangible fixed assets

| Depreciation is provided at the following annual rates in order to write off each asset over its estimated useful life.

| Taxation

| Taxation for the year comprises current and deferred tax. Tax is recognised in the Income Statement, except to the extent that it relates to items recognised in other comprehensive income or directly in equity.

| Current or deferred taxation assets and liabilities are not discounted.

| Current tax is recognised at the amount of tax payable using the tax rates and laws that have been enacted or substantively enacted by the balance sheet date.

| Deferred tax

| Deferred tax is recognised in respect of all timing differences that have originated but not reversed at the balance sheet date.

| Timing differences arise from the inclusion of income and expenses in tax assessments in periods different from those in which they are recognised in financial statements. Deferred tax is measured using tax rates and laws that have been enacted or substantively enacted by the year end and that are expected to apply to the reversal of the timing difference.

| Unrelieved tax losses and other deferred tax assets are recognised only to the extent that it is probable that they will be recovered against the reversal of deferred tax liabilities or other future taxable profits.

| Hire purchase and leasing commitments

| Rentals paid under operating leases are charged to profit or loss on a straight line basis over the period of the lease.

| Share-based payments

| The ultimate parent company has two active equity incentive plans, the "2023 Equity Incentive Plan" (which was adopted in 2023 and superseded the "2013 Incentive Plan" such that no additional shares will be granted under the 2013 Incentive Plan) and the "2011 Non-Employee Director Equity Incentive Plan", under which shares remain available for grants to employees and non-employee directors, respectively. Restricted stock unit (RSU) grants is part of the equity compensation practices for employees who receive equity grants. RSUs generally vest quarterly over a four-year period on the grant date.

| Lattice Semiconductor UK Ltd. (Registered number: 02899981) |

Notes to the Financial Statements - continued

for the Year Ended 31 December 2024

3. | EMPLOYEES AND DIRECTORS

| The average number of employees during the year was 1 (2023 - 2 ) .

4. | OPERATING PROFIT

| The operating profit is stated after charging:

| 2024 |  | 2023

£ | £ |

| Depreciation - owned assets | 962 |  | 963 |  |

5. | EXCEPTIONAL ITEMS

| 2024 |  | 2023

£ | £ |

| Cost of fundamental reorganisation | - |  | (53,141 | ) |

6. | TANGIBLE FIXED ASSETS

| Plant and

| machinery

£ |

| COST

| At 1 January 2024

| and 31 December 2024 | 6,532 |  |

| DEPRECIATION

| At 1 January 2024 | 5,169 |  |

| Charge for year | 962 |  |

| At 31 December 2024 | 6,131 |  |

| NET BOOK VALUE

| At 31 December 2024 | 401 |  |

| At 31 December 2023 | 1,363 |  |

7. | DEBTORS: AMOUNTS FALLING DUE WITHIN ONE YEAR |

2024 | 2023 |

£ | £ |

| Amounts owed by group undertakings | 52,323 |  | 121,260 |  |

| VAT | 561 |  | 2,041 |  |

| Deferred tax asset | - |  | 1,975 |  |

| Prepayments and accrued income | 8,002 |  | 10,159 |  |

60,886 |  | 135,435 |  |

8. | CREDITORS: AMOUNTS FALLING DUE WITHIN ONE YEAR |

2024 | 2023 |

£ | £ |

| Trade creditors | 9,293 |  | 9,244 |  |

| Tax | 5,381 |  | 4,600 |  |

| Social security and other taxes | 7,485 |  | 8,338 |  |

| Accruals and deferred income | 8,212 |  | 2,376 |  |

30,371 |  | 24,558 |  |

| Lattice Semiconductor UK Ltd. (Registered number: 02899981) |

Notes to the Financial Statements - continued

for the Year Ended 31 December 2024

9. | LEASING AGREEMENTS

| Minimum lease payments under non-cancellable operating leases fall due as follows:

2024 | 2023 |

£ | £ |

| Within one year | 7,668 |  | 7,668 |  |

| Between one and five years | - |  | 7,668 |  |

7,668 |  | 15,336 |  |

10. | CALLED UP SHARE CAPITAL

| Allotted, issued and fully paid:

| Number: | Class: | Nominal | 2024 | 2023 |

| value: | £ | £ |

| 41,644 | Ordinary shares | 1 | 41,644 |  | 41,644 |  |

11. | PENSION COMMITMENTS

| The company operates a defined contribution pension scheme. The assets of the scheme are held separately from those of the company in an independently administered fund. The pension cost charge represents contributions payable by the company to the fund and amounted to £3,636 (2023 - £7,887).

12. | ULTIMATE CONTROLLING PARTY

| The company's ultimate parent undertaking and the only company to prepare consolidated financial statements including the company's results is Lattice Semiconductor Corporation, a company incorporated in the USA. Copies of the accounts of Lattice Semiconductor Corporation can be obtained from 5555 NE Moore Street, Hillsboro, Oregon 97124-6421, USA.