UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM20-F

(Mark One)

OR

For the fiscal year endedDecember 31, 20152016

OR

For the transitionperiod from    to    

OR

Date of event requiring this shell company report    

BARCLAYS PLC

BARCLAYS BANK PLC

(Exact Names of Registrants as Specified in their Charter[s])

ENGLAND

(Jurisdiction of Incorporation or Organization)

1 CHURCHILL PLACE, LONDON E14 5HP, ENGLAND

(Address of Principal Executive Offices)

PATRICK GONSALVES,MARIE SMITH, +44 (0)20 7116 2901, PATRICK.GONSALVES@BARCLAYS.COM2907, MARIE.SMITH@BARCLAYS.COM

1 CHURCHILL PLACE, LONDON E14 5HP, ENGLAND

*(Name, Telephone,E-mail and/or Facsimile number and Address of Company Contact Person)

Securities registered or to be registered pursuant to Section 12(b) of the Act:

Barclays PLC

Barclays Bank PLC

Securities registered or to be registered pursuant to Section 12(g) of the Act: None

Securities for which there is a reporting obligation pursuant to Section 15(d) of the Act: None

Indicate the number of outstanding shares of each of the issuers’ classes of capital or common stock as of the close of the period covered by the annual report.

Indicate by check mark if each registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act.

Yesþ☑    No¨☐

If this report is an annual or transition report, indicate by check mark if the registrants are not required to file reports pursuant to Section 13 or 15(d) of the Securities Exchange Act 1934.

Yes¨☐    Noþ☑

Note—Checking the box above will not relieve any registrant required to file reports pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 from their obligations under those Sections.

Indicate by check mark whether the registrants: (1) have filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) have been subject to such filing requirements for the past 90 days.

Yesþ☑    No¨☐

Indicate by check mark whether the registrants have submitted electronically and posted on their corporate Web sites, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of RegulationS-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).

Yes¨☐    No¨☐

Indicate by check mark whether each registrant is a large accelerated filer, an accelerated filer, or anon-accelerated filer. See definition of “accelerated filer and large accelerated filer” in Rule12b-2 of the Exchange Act. (Check one):

Barclays PLC

Barclays Bank PLC

*Indicate by check mark which basis of accounting the registrant has used to prepare the financial statements included in this filing:

U.S. GAAP¨☐

International Financial Reporting Standards as issued by the International Accounting Standards Board  þ☑

Other¨☐

*If “Other” has been checked in response to the previous question, indicate by check mark which financial statement item the registrant has elected to follow:

Item 17¨☐

Item 18¨☐

If this is an annual report, indicate by check mark whether the registrant is a shell company (as defined in Rule12b-2 of the Exchange Act).

Yes¨☐    Noþ☑

(APPLICABLE ONLY TO ISSUERS INVOLVED IN BANKRUPTCY PROCEEDINGS DURING THE PAST FIVE YEARS.)

Indicate by check mark whether the registrant has filed all documents and reports required to be filed by Section 12, 13 or 15(d) of the Securities Exchange Act of 1934 subsequent to the distribution of securities under a plan confirmed by a court.

Yes¨☐    No¨☐

SEC Form20-F Cross reference information

  Return to stabilityBuilding the bank

  of the future

Notes

The term Barclays or Group refers to Barclays PLC together with its subsidiaries. Unless otherwise stated, the income statement analysis compares the year ended 31 December 20152016 to the corresponding twelve12 months of 20142015 and balance sheet analysis as at 31 December 20152016 with comparatives relating to 31 December 2014.2015. The abbreviations ‘£m’ and ‘£bn’ represent millions and thousands of millions of Pounds Sterling respectively; and the abbreviations ‘$m’ and ‘$bn’ represent millions and thousands of millions of US Dollars respectively; and the abbreviations ‘€m’ and ‘€bn’ represent millions and thousands of millions of Euros respectively.

Comparatives have been restated to reflect the implementation of the Group structure changes and the reallocation of elements of the Head Office results under the revised business structure.reorganisation. These restatements were detailed in our Form6-K filed with the SEC dated 14 July 2014.

References throughout this document to ‘provisions for ongoing investigations and litigation including Foreign Exchange’ mean ‘provisions held for certain aspects of ongoing investigations involving certain authorities and litigation including Foreign Exchange.’15 April 2016.

The information in this documentannouncement, which was approved by the Board of Directors on 22 February 2017, does not comprise statutory accounts within the meaning of Section 434 of the Companies Act 2006. Statutory accounts for the year ended 31 December 2015, which includeincluded certain information required for the Joint Annual Report on Form20-F of Barclays PLC and Barclays Bank PLC to the US SEC (2015 20-F) and which containcontained an unqualified audit report under Section 495 of the Companies Act 2006 (which doesdid not make any statements under Section 498 of the Companies Act 2006) have been delivered to the Registrar of Companies in accordance with Section 441 of the Companies Act 2006.

Barclays is a frequent issuer in the debt capital markets and regularly meets with investors via formal road-shows and other ad hoc meetings. Consistent with its usual practice, Barclays expects that from time to time over the coming quarter it will meet with investors globally to discuss these results and other matters relating to the Group.

Strategic Update

On 1 March 2016, Barclays also announced certain strategy updates of the Group, including in relation to reorganisation of operating segments into Barclays UK and Barclays Corporate & International, the intention to reduce the Group’s stake in Barclays Africa Group Limited, the contribution of certain assets to the Non-Core segment, revised guidance on future dividends and new Group financial targets. Further information can be found in the Form 6-K regarding the “Group Chief Executive Officer—Strategy Update” filed by Barclays on 1 March 2016, which is incorporated herein by reference.

Certainnon-IFRS measures

Barclays management believes that thenon-International Financial Reporting Standards(non-IFRS) measures included in this document provide valuable information to readers of its financial statements because they enable the reader to identify a more consistent basis for comparing the business’ performance between financial periods, and provide more detail concerning the elements of performance which the managers of these businesses are most directly able to influence or are relevant for an assessment of the Group. They also reflect an important aspect of the way in which operating targets are defined and performance is monitored by Barclays management. However, anynon-IFRS measures in this document are not a substitute for IFRS measures and readers should consider the IFRS measures as well. As management reviews

There are a number of key judgement areas, for example impairment calculations, which are based on models and which are subject to ongoing adjustment and modifications. Reported numbers reflect best estimates and judgements at the adjustinggiven point in time.

Notable items described below at a Group level, segmental resultsas set out on page 197 are presented excluding theseconsidered to be significant items impacting comparability of performance and have been called out for each of the business segments.

Relevant terms that are used in accordance with IFRS 8; “Operating Segments”. Statutorythis document but are not defined under applicable regulatory guidance or International Financial Reporting Standards (IFRS) are explained in the Results glossary of non-IFRS performance measures on page 212 and adjusted performance is reconciled at a Group level only.the glossary of terms on pages 449 to 464.

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Keynon-IFRS measures included in this document, and the most directly comparable IFRS measures, are:

– AdjustedAttributable profit/(loss) excluding notable items represents profit beforeafter tax excluding notable items less profit attributable tonon-controlling interests. The comparable IFRS measure is attributable profit. A reconciliation is presented on pages vi to vii;

– Average tangible shareholders’ equity is calculated as the non-IFRSaverage equity adjusted to remove the effect of goodwill and intangible assets. The comparable IFRS measure is average equity. A reconciliation is provided on page ix;

– Average allocated tangible equity represents the average tangible equity that is allocated to Barclays Core, and to the businesses. The comparable IFRS measure is average equity. A reconciliation is provided on page ix;

– Average tangible equity is equivalent to average tangible shareholders’ equity;

– Barclays Core results are considered to benon-IFRS because Barclays Core represents the sum of three Operating Segments, each of which is prepared in accordance with IFRS 8; “Operating Segments”: Barclays UK, Barclays International and Head Office. A reconciliation is provided on pages vi to viii;

– Basic earnings per share excluding notable items represents attributable profit beforeexcluding all notable items (page 197) divided by the basic weighted average number of shares in issue. The comparable IFRS measure is basic earnings per share. A reconciliation is provided on page 215;

– Core basic earnings per share excluding notable items represents basic earnings per share excluding notable items calculated for Barclays Core. Barclays Core represents the sum of three Operating Segments, each of which is prepared in accordance with IFRS 8, “Operating Segments”: Barclays UK, Barclays International and Head Office. The comparable IFRS measure is basic earnings per share. A reconciliation is provided on page 215;

– Cost: income ratio excluding notable items represents the ratio between total operating expenses excluding notable items and total income excluding notable items. The comparable IFRS measure is cost: income ratio. A reconciliation is provided on pages vi to viii;

– Core cost: income ratio excluding notable items represents cost: income ratio excluding notable items calculated for Barclays Core. Barclays Core represents the sum of three Operating Segments, each of which is prepared in accordance with IFRS 8, “Operating Segments”: Barclays UK, Barclays International and Head Office. The comparable IFRS measure is cost: income ratio. A reconciliation is provided on pages vi to viii;

– Total income excluding notable items represents total income excluding the impact of own credit, gain on disposal of Barclays’ share of Visa Europe Limited, revision of Education, Social Housing, and Local Authority (ESHLA) valuation methodology and gain on US Lehman acquisition assets. The comparable IFRS measure is total income. A full list of notable items is shown on page 197. A reconciliation is provided on pages vi to viii;

– Net operating income excluding notable items represents net operating income excluding the impact of own credit, gain on disposal of Barclays’ share of Visa Europe Limited, gain on US Lehman acquisition assets and revision of Education, Social Housing, and Local Authority (ESHLA) valuation methodology. The comparable IFRS measure is net operating income. A full list of notable items is shown on page 197. A reconciliation is provided on pages vi to viii;

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– Total operating expenses excluding notable items represents total operating expenses excluding the impact of provisions for UK customer redress, provisions for ongoing investigations and litigation including Foreign Exchange, gain on valuation of a component of the defined retirement benefit liability, impairment of goodwill and other assets relating to businesses being disposed and losses on sale relating to the Spanish, Portuguese and Italian businesses. The comparable IFRS measure is total operating expenses. A full list of notable items is shown on page 197. A reconciliation is provided on pages vi to viii;

– Profit after tax as it excludesexcluding notable items represents profit after tax excluding thepost-tax impact of own credit, impairment of goodwill and other assets relating to businesses being disposed, provisions for UK customer redress, gain on US Lehman acquisition assets, provisions for ongoing investigations and litigation including Foreign Exchange, losses on sale relating to the Spanish, Portuguese and Italian businesses, revision of Education, Social Housing, and Local Authority (ESHLA) revision of valuation methodology, and gain on a valuation of a component of the defined retirement benefit liability.liability, and gain on disposal of Barclays’ share of Visa Europe Limited. The comparable IFRS measure is profit after tax. A reconciliation is provided on pages vi to viii;

– Profit before tax excluding notable items represents profit before tax excluding the impact of own credit, impairment of goodwill and other assets relating to businesses being disposed, provisions for UK customer redress, excluding gain on US Lehman acquisition assets, provisions for ongoing investigations and litigation including Foreign Exchange, losses on sale relating to the Spanish, Portuguese and Italian businesses, revision of Education, Social Housing, and Local Authority (ESHLA) valuation methodology, gain on a valuation of a component of the defined retirement benefit liability, and gain on disposal of Barclays’ share of Visa Europe Limited. The comparable IFRS measure is presentedprofit before tax. A reconciliation is provided on pages vi to viii;

Return on average allocated tangible equity represents the return on average tangible equity that is allocated to Barclays Core, and to the businesses. The comparable IFRS measure is return on equity. A reconciliation is provided on page 192 for the Group;ix;

– AdjustedAttributable profit/(loss) excluding notable items represents attributable profit after tax represents profit after tax excluding the post-tax impact of own credit, impairment of goodwill and other assets relating to businesses being disposed, provisions for UK customer redress, gain on US Lehman acquisition assets, provisions for ongoing investigations and litigation including Foreign Exchange, losslosses on sale relating to the Spanish, Portuguese and Italian businesses, Education, Social Housing, and Local Authority (ESHLA) revision of valuation methodology, and gain on valuation of a component of the defined retirement benefit liability. A reconciliation to IFRS is presented on page 192 for the Group;

– Adjusted attributable profit represents adjusted profit after tax less profit attributable to non-controlling interests. The comparable IFRS measure is attributable profit. A reconciliation to IFRS is provided on page 192 for the Group;

– Adjusted income and adjusted total income net of insurance claims represents total income net of insurance claims adjusted to exclude the impact of own credit, revision of Education, Social Housing, and Local Authority (ESHLA) valuation methodology, gain on a valuation of a component of the defined retirement benefit liability, and gain on US Lehman acquisition assets.disposal of Barclays’ share of Visa Europe Limited. The comparable IFRS measure is attributable profit. A full list of notable items is shown on page 197. A reconciliation to IFRS is presented on page 192pages vi to viii;

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– Return on average tangible shareholders’ equity excluding notable items represents attributable profit excluding notable items, including an adjustment for the Group;tax credit recorded in reserves in respect of other equity instruments, as a proportion of average shareholders’ equity excludingnon-controlling interests and other equity instruments adjusted for the deduction of intangible assets and goodwill. The comparable IFRS measure is return on equity. A reconciliation is provided on page 214;

– AdjustedReturn on average tangible shareholders’ equity is calculated as the return on equity adjusted to remove the effect of goodwill and intangible assets. The comparable IFRS measure is return on equity. A reconciliation is provided on page ix;

– Tangible net asset value per share is calculated by dividing shareholders equity, excludingnon-controlling interests and other equity instruments, less goodwill and intangible assets, by the number of issued ordinary shares. The components of the calculation have been included on page 215;

– Total operating incomeexpenses, excluding conduct and litigation charges, and other notable items represents nettotal operating incomeexpenses excluding the impact of own credit; the gain on US Lehman acquisition assets and revision of ESHLA valuation methodology. A reconciliation to IFRS is presented on page 192 for the Group;

– Adjusted total operating expenses represents operating expenses excluding impairment of goodwill and other assets relating to businesses being disposed, provisions for UK customer redress, provisions for ongoing investigations and litigation including Foreign Exchange, and gain on a valuation of a component of the defined retirement benefit liability. The comparable IFRS measure is total operating expenses. A reconciliation is provided on pages vi to IFRS is presented on page 192 for the Group;viii;

– AdjustedTotal operating expenses excluding conduct and litigation and conductcharges represents litigation and conducttotal operating expenses excluding the impact of provisions for UK customer redress, and the provisionprovisions for ongoing investigations and litigation including Foreign Exchange. A reconciliation to IFRS is presented on page 192 for the Group;

– Adjusted cost: income ratio represents adjusted operating expenses (defined above) compared to adjusted income (defined above). A reconciliation to IFRS is presented on page 192 for the Group;

– Adjusted compensation: net operating income ratio represents compensation costs: net operating income ratio excluding the impact of own credit; and the revision of ESHLA valuation methodology. A reconciliation is provided on page 192 for the Group;

– Adjusted compensation: operating income ratio represents compensation costs: operating income ratio excluding the impact of credit impairment charges and other provisions; own credit; gain on US Lehman acquisition and revision of ESHLA valuation methodology. A reconciliation is provided on page 192 for the Group;

– Adjusted basic earnings per share represents adjusted attributable profit (page 205) divided by the basic weighted average number of shares in issue. The comparable IFRS measure is basic earnings per share, which represents profit after tax and non-controlling interests, divided by the basic weighted average number of shares in issue. A reconciliation to IFRS is provided on page 192 for the Group;

– Adjusted return on average shareholders’ equity represents annualised adjusted profit after tax for the period attributable to ordinary shareholders, including an adjustment for the tax credit in reserves in respect of other equity instruments, as a proportion of average shareholders’ equity, excluding non-controlling interests, the impact of own credit on retained earnings, and other equity instruments. The comparable IFRS measure is return on average shareholders’ equity which represents annualised profit after tax for the period attributable to ordinary shareholders, including an adjustment for the tax credit in reserves in respect of other equity instruments, as a proportion of average shareholders’ equity, excluding non-controlling interests and other equity instruments. A reconciliation to IFRS is provided on page 192 for the Group;

– Adjusted return on average tangible shareholders’ equity represents annualised adjusted profit after tax for the period attributable to ordinary shareholders, including an adjustment for the tax credit in reserves in respect of other equity instruments, as a proportion of average shareholders’ equity excluding non-controlling interests, the impact of own credit on retained earnings, and other equity instruments adjusted for the deduction of intangible assets and goodwill. The comparable IFRS measure is return on average tangible shareholders’ equity which represents annualised profit after tax for the period attributable to ordinary shareholders, including an adjustment for the tax credit in reserves in respect of other equity instruments, as a proportion of average shareholders’ equity excluding non-controlling interests and other equity instruments adjusted for the deduction of intangible assets and goodwill. A reconciliation to IFRS is provided on page 192 for the Group;

– Barclays Core results are non-IFRS measures because they represent the sum of five Operating Segments, each of which is prepared in accordance with IFRS 8; “Operating Segments”: Personal and Corporate Banking, Barclaycard, Africa Banking, Investment Bank and Head Office.total operating expenses. A reconciliation to IFRS is provided on pages 191vi to viii; and 192;

– Constant currency results are calculated by converting ZAR results into GBP using the average exchange rate for the year ended 31 December 2015 for the income statement and the 31 December 2015 closing exchange rate for the balance sheet to eliminate the impact of movement in exchange rates between the two periods;

– Net Stable Funding Ratio (NSFR) is calculated according to the definition and methodology detailed in the standard provided by the Basel Committee on Banking Supervision. The original guidelines released in December 2010 (‘Basel III: International Framework for Liquidity Risk Measurement, Standards and Monitoring’, December 2010) were revised in October 2014 (‘Basel III: The Net Stable Funding Ratio’, October 2014). The metric is a regulatory ratio that is not yet finalised in local regulations and, as such, represents a non-IFRS measure. This definition and the methodology used to calculate this metric is subject to further revisions ahead of the implementation date and our interpretation of this calculation may not be consistent with that of other financial institutions;

– Liquidity Coverage Ratio (LCR) is calculated according to the Commission Delegated Regulation of October 2014 that supplements Regulation (EU) 575/2013 (CRDIV) published by the European Commission in June 2013. The metric is applicable from 01 October 2015 and as such is a binding measure as at 31 December 2015;

– Transitional CET1 ratio according to FSA October 2012. This measure is calculated by taking into account the statement of the Financial Services Authority, the predecessor of the Prudential Regulation Authority, on CRD IV transitional provisions in October 2012, assuming such provisions were applied as at 1 January 2014. This ratio is used as the relevant measure starting 1 January 2014 for purposes of determining whether the automatic write-down trigger (specified as a Transitional CET1 ratio according to FSA October 2012 of less than 7.00%) has occurred under the terms of the Contingent Capital Notes issued by Barclays Bank PLC on November 21, 2012 (CUSIP: 06740L8C2) and April 10, 2013 (CUSIP: 06739FHK0). Please refer to page 150155 for a reconciliation of this measure to CRD IV CET1 ratio.

Forward-looking statements

This document contains certain forward-looking statements within the meaning of Section 21E of the US Securities Exchange Act of 1934, as amended, and Section 27A of the US Securities Act of 1933, as amended, with respect to the Group. Barclays cautions readers that no forward-looking statement is a guarantee of future performance and that actual results or other financial condition or performance measures could differ materially from those contained in the forward-looking statements. These forward-looking statements can be identified by the fact that they do not relate only to historical or current facts. Forward-looking statements sometimes use words such as ‘may’, ‘will’, ‘seek’, ‘continue’, ‘aim’, ‘anticipate’, ‘target’, ‘projected’, ‘expect’, ‘estimate’, ‘intend’, ‘plan’, ‘goal’, ‘believe’, ‘achieve’ or other words of similar meaning. Examples of forward-looking statements include, among others, statements or guidance regarding the Group’s future financial position, income growth, assets, impairment charges, and provisions, notable items, business strategy, structural reform, capital, leverage and other regulatory ratios, payment of dividends (including dividend pay-out ratios)ratios and expected payment strategies), projected levels of growth in the banking and financial markets, projected costs or savings, original and revised commitments and targets in connection with the strategic cost programme and the Group Strategy Update, rundown of assets and businesses within Barclays Non-Core, sell down of the Group’s interest in Barclays Africa Group Limited, estimates of capital expenditures and plans and objectives for future operations, projected employee numbers and other statements that are not historical fact. By their nature, forward-looking statements involve risk and uncertainty because they relate to future events and circumstances. These may be affected by changes in legislation, the development of standards and interpretations under International Financial Reporting Standards, (IFRS), evolving practices with regard to the interpretation and application of accounting and regulatory standards, the outcome of current and future legal proceedings and regulatory investigations, future levels of conduct provisions, future levels of notable items, the policies and actions of governmental and regulatory authorities, geopolitical risks and the impact of competition. In addition, factors including (but not limited to) the following may have an effect: capital, leverage and other regulatory rules (including with regard to the future structure of the Group) applicable to past, current and future periods; United Kingdom (UK), United States (US),UK, US, Africa, Eurozone and global macroeconomic and business conditions; the effects of continued volatility in credit markets; market related risks such as changes in interest rates and foreign exchange rates; effects of changes in valuation of credit market exposures; changes in valuation of issued securities; volatility in capital markets; changes in credit ratings of any entities within the Group or any securities issued by such entities; the potential for one or more countries exiting the Eurozone; the implications of the results of the 23 June 2016 referendum in the United Kingdom and the disruption that may result in the UK and globally from the withdrawal of the United Kingdom from the European Union; the implementation of the strategic cost programme; and the success of future acquisitions, disposals and other strategic transactions. A number of these influences and factors are beyond the Group’s control. As a result, the Group’s actual future results, dividend payments, and capital and leverage ratios may differ materially from the plans, goals, expectations and expectationsguidance set forth in the Group’s forward-looking statements. Additional risks and factors which may impact the Group’s future financial condition and performance are identified in our filings with the SEC which are available on the SEC’s website at http://www.sec.gov.

Any forward-looking statements made herein speak only as of the date they are made and it should not be assumed that they have been revised or updated in the light of new information or future events. Except as required by the Prudential Regulation Authority, the Financial Conduct Authority, the London Stock Exchange plc (the LSE) or applicable law, Barclays expressly disclaims any obligation or undertaking to release publicly any updates or revisions to any forward-looking statements contained herein to reflect any change in Barclays’ expectations with regard thereto or any change in events, conditions or circumstances on which any such statement is based. The reader should, however, consult any additional disclosures that Barclays has made or may make in documents it has published or may publish via the Regulatory News Service of the LSE and/or has filed or may file with the SEC.

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Subject to our obligations under the applicable laws and regulations of the UK and the US in relation to disclosure and ongoing information, we undertake no obligation to update publicly or revise any forward-looking statements, whether as a result of new information, future events or otherwise.

Market and other data

This document contains information, including statistical data, about certain Barclays markets and its competitive position. Except as otherwise indicated, this information is taken or derived from Datastream and other external sources. Barclays cannot guarantee the accuracy of information taken from external sources, or that, in respect of internal estimates, a third party using different methods would obtain the same estimates as Barclays.

Uses of Internet addresses

This document contains inactive textual addresses to internet websites operated by us and third parties. Reference to such websites is made for information purposes only, and information found at such websites is not incorporated by reference into this document.

References to Pillar 3 report

This document contains references throughout to Barclays annual risk report, the Pillar 3. Reference to the aforementioned report is made for information purposes only, and information found in saidthis report is not incorporated by reference into this document.

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