Exhibit 99.1

VIRGIN MEDIA — HALF YEAR AND SECOND QUARTER 2012 RESULTS

IMPROVED REVENUE AND OCF GROWTH

London, England, July 24, 2012 — Virgin Media Inc. (NASDAQ: VMED; LSE: VMED) announces results for the six months and quarter ended June 30, 2012.

Strong financial performance

·                              Revenue up 3.3% to £2,033m for the half-year

·                  Revenue up 4.2% to £1,027m for the quarter

·                              OCF(1) up 2.7% to £789m for the half-year

·                  OCF up 5.1% to £412m for the quarter

·                  Operating income up 26% to £311m for the half-year; up 33% to £180m for the quarter

·                  Net income of £72m for the half-year; £65m for the quarter

·                              FCF(2) down 3.2% to £216m for half-year

·                  FCF up 4.6% to £128m for the quarter

·                  Net cash provided by operating activities down 21% to £443m for the half-year, down 19% to £231m for the quarter

Multiple sources of high quality revenue growth

·                              On-going improvement of customer base mix in Q2

·                  TiVo customer base increased 261,700 to 938,800; reaching 1m this week

·                  37,800 increase in the paying TV base(3)

·                  Superfast broadband base (30Mb and above) increased by 459,800 to 1.3m

·                              Continued improvement in cable customer attraction and retention

·                  Gross customer additions up 7.0% and disconnections down 4.6% with churn at 1.4%

·                  Net disconnections improved from 36,000 to 14,700

·                  Cable ARPU up 3.1% to £48.82 in Q2

·                              Mobile revenue up 2.9% to £136m in Q2, with contract mobile revenue up 15% to £102m

·                  Contract mobile customers increased 53,900 to 1.6m

·                  Quad-play penetration continues to grow; now at 15.4%

·                              Business division revenue up 9.8% to £166m in Q2

Capital Return programme continued

·                              £60m of stock buybacks executed in Q2; £235m remaining buyback authority this year

·                              Initiation of next $175m Accelerated Stock Repurchase announced today

Neil Berkett, Chief Executive Officer of Virgin Media, said: “This has been a quarter of improved revenue and OCF growth. We are well placed to benefit from the fast-growing demand for superfast broadband and TiVo positions us well to lead the evolving TV market. Customer ARPU and churn have improved and, together with our growing Business division and great value mobile offerings, we have maintained steady financial progress across the company which is translating into strong free cash flow as well as continued shareholder returns.”

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Note: The notes preceding the Appendices relating to non-GAAP financial measures and other matters and the Appendices to this earnings release are considered an integral part of the financial and operational information in this release. Financial and statistical information is as at and for the three months ended June 30, 2012, unless otherwise stated. Comparisons of financial and operating statistics are to the second quarter of 2011, unless otherwise stated. Where financial information is given for the first half of 2012, any comparisons are to the first half of 2011, unless otherwise stated.

Contacts

Conference call details

There will be a presentation today for analysts and investors in London at 1pm UK time / 8am ET, which can be accessed live on the Company’s website, www.virginmedia.com/investors. For details of the presentation, please contact Lulu Bridges of Tavistock Communications using the contact details above. Analysts and investors can dial in to the presentation on +1 646 254 3367 in the United States or +44 (0) 20 7136 6283 outside of the US - passcode 4374765# for all participants. The conference call replay will be available approximately two hours after the end of the call until midnight on Tuesday, July 31, 2012. The dial-in replay number for the US is: +1 347 366 9565 and the international dial-in replay number is: +44 (0)20 3427 0598 - passcode: 4374765#.

Forward-looking statements

This release contains certain forward-looking statements within the meaning of the U.S. Private Securities Litigation Reform Act of 1995. Please refer below to “Safe Harbor Statement under the U.S. Private Securities Litigation Reform Act of 1995” for a more detailed discussion regarding these forward-looking statements.

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SUMMARY FINANCIAL RESULTS

SELECTED CONSUMER OPERATIONS STATISTICS

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OVERVIEW

Improved revenue growth from across the company

Revenue growth improved in the second quarter, up 4.2% to £1,027m. Gross margin(4) improved by 4.7% to £624m. SG&A increased 3.8% to £212m, resulting in OCF of £412m, up 5.1%. Operating income increased 33% to £180m and net income was £65m, down by £33m.

Free Cash Flow was up 4.6% to £128m. Net cash provided by operating activities was down 19% to £231m.

Improved cable revenue growth

Consumer cable revenue increased 3.5% to £706m, reflecting the 3.1% cable ARPU growth.

Gross cable customer additions increased 7.0% to 181,700 while gross disconnections fell year-on-year for the third quarter in a row, down 4.6% to 196,300. On a percentage basis, monthly churn was 1.4%. While Q2 is traditionally a quarter of negative customer growth for seasonal reasons, the net impact was an improvement in the decline in the cable customer base of 14,700 in this quarter, compared to a decline of 36,000 in the same quarter a year ago.

We added a net 15,900 triple-play customers during the quarter. Triple-play penetration increased to 64.6% compared to 63.8% a year ago.

Strong superfast broadband and TiVo growth

Demand for faster broadband continues to grow. The superfast broadband customer base (30Mb and above) increased by 459,800 during the quarter, taking the total to 1.3m, which is more than three times the number of a year ago, and represents 31% of our broadband base. Of these, 590,000 customers are on our tiers between 50Mb and 100Mb. Around 41% of new broadband subscribers took speeds of 60Mb or higher during the quarter. Our programme to double the broadband speeds of over 4m customers is well underway with approximately 765,000 customers benefiting from upgraded speeds. We have upgraded 22% of our network for the new faster speeds since February.

At the same time, the appeal of TiVo is driving strong pay TV performance. We added 261,700 more TiVo customers during the quarter to reach a total of 938,800 at the quarter-end, which represents 25% of our TV customer base. We expect to reach a total of 1m TiVo customers this week. This uptake has helped to drive the overall number of paying TV customers, which increased by 37,800 in the quarter.

Driving mobile revenue through contract cross-sell

Continued improvement in the proportion of mobile customers with contracts resulted in 2.9% total mobile revenue growth to £136.4m. The strong contract revenue growth was partially offset by the headwinds of declining prepay revenue and regulatory changes to mobile termination rates (“MTR”). Contract service revenue increased 15% to £101.7m, while prepay service revenue declined by 20% to £32.8m. MTR changes reduced the amount of inbound mobile revenue we received by approximately £6m in the quarter. Excluding this regulatory factor, we estimate that mobile revenue would have increased by approximately 7%, when compared to the same quarter last year. Due to a similar associated reduction in interconnect costs for our mobile and fixed line businesses from these regulatory rates changes, the impact on group OCF was broadly neutral.

We increased our contract base by 53,900 in the quarter, compared to 83,200 in the same quarter of last year. Nearly all of these contract net additions were into cable homes. The total contract base increased 22% from a year ago to 1.64m. At the same time, our prepay subscriber base reduced by 35,200 compared to a decline of 32,600 in the comparable period last year.

At the quarter-end, we had approximately 791,000 cable households with at least one Virgin Mobile contract, which is up 28% year-on-year. These homes had around 1.1m contract mobiles. We also estimate we have a further 203,000 cable households with at least one of our prepay phones, meaning total mobile penetration of the cable base is around 21%, leaving a significant growth opportunity to cross-sell to the remaining 79%.

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Quad-play penetration, where a household takes all three cable products and at least one mobile phone service, increased to around 15.4%, compared to around 13.2% a year ago. We have approximately 742,000 quad-play customers, which is up 18% year-on-year.

Growing Business Data

Virgin Media Business (“VMB”) revenue of £166.0m was up 9.8%, which represented 36% of total group revenue growth. We continued to execute on our strategy to drive the division’s growth through data products and projects.

Leveraging existing VMB infrastructure, our new WiFi service for the London Underground is being rolled out across 120 stations. This is already proving popular with over 240,000 registered users. We are also in negotiation with a number of third parties to wholesale the service later in the year to ensure that as many people as possible are able to use the service.

VMB has been awarded a place on the new Public Services Network (“PSN”) Services Framework announced by the Government Procurement Service. Essentially this means that VMB is on a limited list of approved suppliers.  This follows on from VMB being awarded a place on the PSN Connectivity Framework. As a result, public sector organisations can access all of VMB’s communications services, underpinned by our fast and secure nationwide fibre-optic network.

Capital Return Programme update

In July 2011, we announced a second phase capital return programme of up to £850m, which was increased in October 2011 by up to a further £250m following the sale of UKTV. The total second phase programme consists of up to £875m of share buybacks and up to £225m in transactions relating to our debt and convertible debt, which may be effected through open market, privately negotiated, and/or derivative transactions until the end of 2012. Combined with our previous capital return programme, this takes the cumulative total to £1.8bn, of which £1.25bn is for expected share buybacks from mid-2010 to the end of 2012.

During the second quarter of 2012, we repurchased 4.2m shares at a cost of £60m. As at June 30, 2012, we had 273.6m shares outstanding.

We have £235m remaining for share buybacks authorized by our Board to the end of 2012, which represents approximately 5% of our equity market capitalization as of July 24, 2012.

Today, as part of that authorization, we are announcing our plans to immediately initiate the next accelerated stock repurchase to purchase $175m / £113m of our common stock, which represents approximately 3% of our equity market capitalization as of July 20, 2012, using the foreign exchange rate as at June 30, 2012.

Approximately 25% of our share count in mid-2010 is expected to have been repurchased(5) by the end of 2012, assuming the full Board authority is used in 2012, based on the share price as of July 20, 2012.

We remain on track to achieve our long-term net leverage, Net Debt to OCF(6), target of approximately 3.0x by mid-2013, as previously announced.

The open market, privately negotiated and derivative transactions described above may be implemented by brokers for the company within certain pre-set parameters and purchases may continue during closed periods in accordance with applicable restrictions. The stock so acquired will be held in treasury or cancelled. Also, in connection with certain derivative and accelerated buyback transactions, the associated counterparties may hedge their liabilities through transactions in our common stock.

RESULTS FOR THE THREE MONTHS ENDED JUNE 30, 2012

Comparisons of financial and operating statistics are to the second quarter of 2011, unless otherwise stated.

TOTAL REVENUE

Total revenue was up 4.2% to £1,027m, due to growth in both the consumer and business segments.

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CONSUMER SEGMENT

Cable

Cable revenue was up 3.5% at £706.1m, reflecting growth in both cable ARPU and the size of the customer base.

Mobile

Mobile revenue was £136.4m, up 2.9% due to growth in contract service revenue, partially offset by the regulated change in MTRs and the decline in prepay service revenue.

Non-cable

Non-cable revenue was down £1.3m at £18.4m mainly due to a reduction in the customer base from 266,400 to 218,600.

BUSINESS SEGMENT

Business revenue was £166.0m, up 9.8%.

Retail data revenue was up 8.3% to £74.4m, reflecting our successful strategy of focusing on increasing demand for data products.  Wholesale data revenue was up 33% at £42.7m due mainly to revenue from new contracts.

Retail voice revenue was down 6.6% to £35.3m, reflecting the continued structural decline in voice telephony. Wholesale voice revenue was up £1.8m at £5.2m. Local Area Network Solutions and other revenue was relatively flat at £8.5m.

OPERATING COSTS AND SELLING, GENERAL AND ADMINISTRATIVE EXPENSES (SG&A)

Operating costs (exclusive of depreciation) were £403.2m, up 3.4% as lower consumer cost of sales were partially offset by higher business cost of sales and higher network and other operating costs. Gross margin grew from 60.4% to 60.7%.

SG&A increased by 3.8% to £211.6m, mainly due to the phasing of marketing costs, which increased by 28% to £54.1m. Excluding marketing costs, SG&A was down 2.5% at £157.5m.

OPERATING INCOME BEFORE DEPRECIATION, AMORTIZATION, GOODWILL AND INTANGIBLE ASSET IMPAIRMENTS AND RESTRUCTURING AND OTHER CHARGES (OCF)

OCF was up 5.1% at £412.1m, due to improved revenue and gross margin, partially offset by increased SG&A.

OPERATING INCOME

Operating income was £179.6m, up 33% mainly due to improved revenue and gross margin and reduced amortization expense, partially offset by increased SG&A.

Depreciation expense was up 1.2% at £233.0m. The increase in depreciation expense was primarily a result of depreciation in respect of fixed asset additions with a generally shorter useful economic life than existing assets, combined with the acceleration of depreciation on certain assets that will no longer be required as a result of our re-tiering program, partially offset by fixed assets becoming fully depreciated.

No amortization expense was incurred, compared to £28.1m in the same quarter last year, as all intangible assets subject to amortization became fully amortized in the fourth quarter of 2011.

NET INCOME

Net income was £64.7m compared to net income of £98.2m in Q2 last year. The decline was mainly due to the fact that net income in the second quarter last year benefited from a £77.6m VAT refund, partially offset by increased operating income.

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CAPITAL EXPENDITURE

Capital expenditure guidance

Excluding the incremental £110m investment in 2012 on our broadband speed upgrade that we announced in January, Virgin Media’s cash capital expenditure (purchase of fixed and intangible assets) will remain within current guidance of 15 to 17% of revenue for 2012 and for future years. In addition, it is expected that the cost of fixed assets acquired under leases will continue to be no greater than 2 to 3% of revenue per annum, in line with recent years. All other strategic growth opportunities will be met within this guidance.

Fixed assets

Fixed asset additions (accrual basis)(7) were up £63.1m to £238.4m mainly due to £33.2m spent on the broadband speed upgrade  and increased consumer premise equipment due to the TiVo rollout.

The total purchase of fixed and intangible assets was up £25.3m at £185.6m mainly due to the increase in fixed asset additions (accrual basis) partially offset by the timing of cash payments to suppliers and increases in assets acquired under capital leases. Total purchase of fixed and intangible assets included £16.2m spent on the broadband speed upgrade.

Leasing

The total amount of fixed assets acquired under capital leases was £30.1m, representing 2.9% of revenue. £28.8m of principal payments on capital leases were made and we terminated certain capital leases for analogue assets we no longer need, resulting in a non-cash reduction of our capital lease liability of £20.5m and a de-recognition of the related assets. As a result of the above, the capital lease balance reduced from £260.2m at the end of the first quarter to £241.0m at the end of the second quarter.

The interest charge on capital leases was £4.5m during the quarter.

FREE CASH FLOW

Free Cash Flow was up 4.6% to £128.4m mainly due to increased OCF and lower net interest expense, partially offset by higher purchase of fixed and intangible assets. Net cash provided by operating activities was down 19% at £231.0m mainly due to the fact that the second quarter last year benefited from a £77.6m VAT refund. This was partially offset by improvements in cash generation from our recurring business activities and lower interest payments.

DEBT

As of June 30, 2012, total debt consisted of £850m outstanding under our Senior Credit Facility, £1,712m of Senior Notes, £2,593m of Senior Secured Notes, £553m of Convertible Senior Notes and £241m of capital leases and other indebtedness. Cash and cash equivalents were £191m. Net debt(8) was £5,758m at the quarter-end.

Interest expense was £98.6m, down 12.8% mainly due to a lower level of debt and lower average interest rates.

Interest income and other of £6.0m includes £5.5m associated with the reversal of a contingent liability which expired during the quarter.

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“Safe Harbour” Statement under the Private Securities Litigation Reform Act of 1995

Various statements contained in this document constitute “forward-looking statements” as that term is defined under the Private Securities Litigation Reform Act of 1995. Words like “believe,” “anticipate,” “should,” “intend,” “plan,” “will,” “expects,” “estimates,” “projects,” “positioned,” “think”, “strategy,” and similar expressions identify these forward- looking statements, which involve known and unknown risks, uncertainties and other factors that may cause our actual results, performance or achievements or industry results to be materially different from those contemplated, projected, forecasted, estimated or budgeted, whether expressed or implied, by these forward-looking statements. These factors, among others, include the following:

·                  We operate in highly competitive markets which may lead to a decrease in our revenue, increased costs, customer churn or a reduction in the rate of customer acquisition;

·                  The sectors in which we compete are subject to rapid and significant changes in technology, and the effect of technological changes on our businesses cannot be predicted;

·                  Our fixed line telephony is in decline and unlikely to improve;

·                  A failure in our network and information systems could significantly disrupt our operations, which could have a material adverse effect on those operations, our business, our results of operations and financial conditions;

·                  Unauthorized access to our network resulting in piracy could result in a loss of revenue;

·                  We rely on third-party suppliers and contractors to provide necessary hardware, software or operational support and are sometimes reliant on them in a way which could economically disadvantage us;

·                  The “Virgin” brand is not under our control and the activities of the Virgin Group and other licensees could have a material adverse effect on the goodwill towards us as a licensee;

·                  Our inability to provide popular programming or to obtain it at a reasonable cost could potentially have a material adverse effect on the number of customers or reduce margins;

·                  Adverse economic developments could reduce customer spending for our TV, broadband and telephony services and could therefore have a material adverse effect on our revenue;

·                  We are subject to currency and interest rate risks;

·                  We are subject to tax in more than one jurisdiction and our structure poses various tax risks;

·                  Virgin Mobile relies on Everything Everywhere’s networks to carry its communications traffic;

·                  We do not insure the underground portion of our cable network and various pavement-based electronics associated with our cable networks;

·                  We are subject to significant regulation, and changes in the U.K. and EU laws, regulations or governmental policy affecting the conduct of our business may have a material adverse effect on our ability to set prices, enter new markets or control our costs;

·                  We may experience difficulties in providing our services efficiently to our customers whilst the London 2012 Olympic Games are taking place which may have a material adverse effect on our reputation and ability to retain our customers;

·                  We have substantial indebtedness which may have a material adverse effect on our available cash flow, our ability to obtain additional financing if necessary in the future, our flexibility in reacting to competitive and technological changes and our operations;

·                  We may not be able to fund our debt service obligations in the future; and

·                  The covenants under our debt agreements place certain limitations on our ability to finance future operations and how we manage our business;

These and other factors are discussed in more detail under “Risk Factors” and elsewhere in our annual report on Form 10-K for the year ended December 31, 2011, or the 2011 Annual Report, as filed with the U.S. Securities and Exchange Commission, or SEC, on February 21, 2012. We assume no obligation to update our forward-looking statements to reflect actual results, changes in assumptions or changes in factors affecting these statements.

Notes

Please see Appendix F for a reconciliation of all non-GAAP financial measures to their nearest GAAP equivalents.

(1) OCF is operating income before depreciation, amortization, goodwill and intangible asset impairments and restructuring and other charges. OCF is a non-GAAP financial measure and the most directly comparable GAAP measure is operating income.

(2) Free Cash Flow, or FCF, is OCF reduced by purchase of fixed and intangible assets, as reported in our statements of cash flows, and net interest expense, as reported in our statements of operations. FCF is a non-GAAP financial measure and the most directly comparable GAAP measure is net cash provided by operating activities.

(3) Paying TV base is our total TV customer base less those on the free “M” tier.

(4)  Gross margin is revenue less operating costs, divided by revenue.

(5) Based on closing share price as of July 20, 2012 and 273.6m shares outstanding at June 30, 2012.

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(6) Net Debt to OCF is Net Debt divided by OCF. It can be calculated on a last twelve months or on a quarterly annualized basis. On a last twelve months basis it is Net Debt divided by OCF for the last twelve months. On a quarterly annualized basis, it is Net Debt divided by OCF for the quarter multiplied by four. Net Debt and Net Debt to OCF are non-GAAP financial measures.

(7) Fixed asset additions (accrual basis) is the purchase of fixed and intangible assets as measured on an accrual basis, excluding asset retirement obligation related assets. Fixed asset additions (accrual basis) is a non-GAAP financial measure and the most directly comparable GAAP measure is purchase of fixed and intangible assets.

(8) Net Debt is long term debt inclusive of current portion, less cash and cash equivalents. Net debt is a non-GAAP financial measure and the most directly comparable GAAP measure is long term debt (net of current portion.)

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Appendices:

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A) FINANCIAL STATEMENTS

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(in £ millions, except per share data) (unaudited)

CONDENSED CONSOLIDATED BALANCE SHEETS

(in £ millions, except par value)

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS

(in £ millions) (unaudited)

QUARTERLY CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME

(in £ millions, except per share data) (unaudited)

QUARTERLY CONDENSED STATEMENTS OF CASH FLOWS

(in £ millions) (unaudited)