T-Mobile and Lookout Team Up to Bring Leading Mobile Security Solution to Protect Customers' Devices

An industry first, T-Mobile and Lookout will provide customers with exclusive service: Out-of-the-box protection against application malware and viruses

Today, T-Mobile USA, Inc. and Lookout Inc., the leader in mobile security, announced the companies have partnered to provide T-Mobile customers instant protection against mobile threats with Automatic App Security. Exclusively for T-Mobile customers, Lookout's Automatic App Security will come preloaded on select devices this year and is expected on most Android^? devices in 2013, securing smartphones and tablets right out of the box for free.

"T-Mobile wants our customers to enjoy the full benefits of the smartphone or tablet experience, including worry-free access to applications, which is why we are taking extra measures to protect their devices, privacy and data," said Ian McKerlich, vice president of product management, T-Mobile USA. "Lookout already scans more than 36 million applications for T-Mobile customers every day. Preloading Automatic App Security on our devices allows even more customers to enjoy the security and peace of mind of knowing that they're protected with the leading Android mobile security and antivirus app."

"As we rely more on our mobile devices, for everything from business to social to banking, it is increasingly important that we protect them from threats," said John Hering, CEO of Lookout. "Mobile security is a priority for T-Mobile, and we are excited to work with them on keeping people everywhere safe on their favorite devices. Automatic App Security is just one way that T-Mobile is making mobile security simple."

Since Automatic App Security is preloaded, T-Mobile customers are protected as soon as the device is turned on. There is no setup or registration required to safeguard the device. Lookout will scan all applications upon download, in addition to providing weekly scans for potential threats, using its Mobile Threat Network, the world's largest database of applications. The user will be notified if the application is determined to be safe or not. If an application is identified as potentially harmful, Lookout will provide information and instructions on how to protect against the threat or uninstall the application.

With Automatic App Security, T-Mobile customers should receive an improved overall wireless experience -- at no additional charge. The LG Optimus L9 and the Samsung Galaxy Tab^® 2 10.1 will be the first devices preloaded with Automatic App Security when it is available in the coming weeks. Existing T-Mobile customers can enjoy the same benefits by either registering the version of Lookout that's preloaded on their Android devices or by downloading it from the T-Mobile Picks section of Google Play.

Automatic App Security from Lookout is added security against mobile threats for T-Mobile customers. In addition, customers will have access to security with the Lookout Mobile Security app, which will come preloaded on most T-Mobile Android devices. The Lookout Mobile Security app provides free award-winning protection from spyware and malware, provides the ability to back up and restore contacts, and finds a missing device with custom SCREAM^? Tones, even when the ringer is off. Lookout Premium, which offers additional protection, including the ability to back up photos, remotely lock devices and wipe content, and find out which apps or services are accessing personal information, is available on compatible devices for only $2.99 per month (plus taxes).

To learn more about Lookout Mobile Security, please visit Google Play.

About T-Mobile USA

Based in Bellevue, Wash., T-Mobile USA, Inc. is the U.S. wireless operation of Deutsche Telekom AG (OTCQX: DTEGY). By the end of the second quarter of 2012, approximately 130 million mobile customers were served by the mobile communication segments of the Deutsche Telekom group -- 33.2 million by T-Mobile USA -- all via a common technology platform based on GSM and UMTS and additionally HSPA+ 21/HSPA+ 42. T-Mobile USA's innovative wireless products and services help empower people to connect to those who matter most. Multiple independent research studies continue to rank T-Mobile USA among the highest in numerous regions throughout the U.S. in wireless customer care and call quality. For more information, please visit http://www.T-Mobile.com. T-Mobile is a federally registered trademark of Deutsche Telekom AG. For further information on Deutsche Telekom, please visit http://www.telekom.de/investor-relations.

For more information about T-Mobile's 4G products, please visit http://www.t-mobile.com.

About Lookout

Lookout Inc. is a mobile security company dedicated to making the mobile experience safe for everyone. Lookout delivers award-winning protection from the growing threats facing mobile users today, including malware, phishing, privacy violations, data loss, and loss of the phone itself. Cross-platform, Lookout is designed from the ground up to provide advanced mobile protection while remaining lightweight and efficient on the phone. Lookout is the world leader in smartphone security with 25 million users across 400 mobile networks in 170 countries. Headquartered in San Francisco, Lookout is funded by Accel Partners, Andreessen Horowitz, Index Ventures, Khosla Ventures and Trilogy Equity Partners. Lookout is a 2012 World Economic Forum Technology Pioneer company. For more information and to download Lookout Mobile Security, please visit www.lookout.com.

Forward-Looking Statements

This press release contains forward-looking statements that reflect the current views of Deutsche Telekom management with respect to future events. These forward-looking statements may include statements with regard to the expected development of revenue, earnings, profits from operations, depreciation and amortization, cash flows and personnel-related measures. You should consider them with caution. Such statements are subject to risks and uncertainties, most of which are difficult to predict and are generally beyond Deutsche Telekom's control. Among the factors that might influence our ability to achieve our objectives are the progress of our workforce reduction initiative and other cost-saving measures, and the impact of other significant strategic, labor or business initiatives, including acquisitions, dispositions and business combinations, and our network upgrade and expansion initiatives. In addition, stronger than expected competition, technological change, legal proceedings and regulatory developments, among other factors, may have a material adverse effect on our costs and revenue development. Further, the economic downturn in our markets, and changes in interest and currency exchange rates, may also have an impact on our business development and the availability of financing on favorable conditions. Changes to our expectations concerning future cash flows may lead to impairment write downs of assets carried at historical cost, which may materially affect our results at the group and operating segment levels. If these or other risks and uncertainties materialize, or if the assumptions underlying any of these statements prove incorrect, our actual performance may materially differ from the performance expressed or implied by forward-looking statements. We can offer no assurance that our estimates or expectations will be achieved. Without prejudice to existing obligations under capital market law, we do not assume any obligation to update forward-looking statements to take new information or future events into account or otherwise.

In addition to figures prepared in accordance with IFRS, Deutsche Telekom also presents non-GAAP financial performance measures, including, among others, EBITDA, EBITDA margin, adjusted EBITDA, adjusted EBITDA margin, adjusted EBIT, adjusted net income, free cash flow, gross debt and net debt. These non-GAAP measures should be considered in addition to, but not as a substitute for, the information prepared in accordance with IFRS. Non-GAAP financial performance measures are not subject to IFRS or any other generally accepted accounting principles. Other companies may define these terms in different ways.

Michelle Taylerson
T-Mobile USA Media Relations
425-383-4002
MediaRelations@T-Mobile.com

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