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Deutsche Telekom AG - Interim Group report - January 1 to September 30, 2011

80 Flat rate. Rate plan for network access with unlimited online time and data volumes. Free cash flow. Cash generated from operations less interest paid and net cash outflows for investments in intangible assets (excluding goodwill and spectrum investment) and property, plant and equipment. Gigabit. 1 billion bits. Unit of measurement of data transmission speed. Grid computing. Grid computing is a form of distributed computing whereby a supercomputer is created from a cluster of loosely coupled computers. The difference between grid computing and conventional computer clusters lies in the considerably looser coupling, the heterogeneity and the broad geo- graphical distribution of the computers. In addition, a grid is usually established for a specific application and often uses standardized program libraries and middleware. Gross debt. Gross debt includes not only bonds and liabilities to banks, but also liabilities to non-banks from promissory notes, lease liabilities, derivative financial liabilities and cash collateral received for positive fair values of deriva- tives, as well as other interest-bearing financial liabilities. GSM – Global System for Mobile Communications. Global standard for digital mobile communications. HDTV – High Definition Television. Generic term describing a range of television standards that differ from conventional television through increased vertical, horizontal and/or temporal resolution. Home gateway. Central device used for remotely controlling electronic household appliances from anywhere. Hosting. Provision of storage capacity via the Internet. An Internet service provider’s most important services in relation to hosting are registering and operating domains, leasing Web servers (in full or in part) and leasing space in a computer center – including Internet connections, regular and emergency power supply, etc. HSDPA – High Speed Downlink Packet Access. Packet-based protocol that enhances data rates in UMTS networks and lifts transmission speeds into the megabit range. HSPA+ – High Speed Packet Access Plus. A higher-performance variant of HSDPA/HSUPA that further shortens ping times and is therefore ideal for data-intensive mobile applications. HSUPA – High Speed Uplink Packet Access. The HSUPA technology acceler- ates data upstreaming from mobile devices into the network and significantly reduces transfer durations (ping time). ICT – Information and Communication Technology. Infotainment. A contraction of the words information and entertainment. Internet/intranet. The Internet is a worldwide Internet Protocol (IP)-based com- puter network that has no central network management. By contrast, intranets are managed IP networks that can be accessed only by specific user groups. IP – Internet Protocol. Non-proprietary transport protocol in layer 3 of the OSI reference model for inter-network communications. IPTV – Internet Protocol Television. A system whereby a digital television service is delivered using the Internet Protocol. Refers to the digital transfer of television programs and films over a digital data network using the Internet Protocol (IP). ISP – Internet Service Provider. An Internet service provider offers various technical services that are required to use or operate Internet services, usually in return for a fee. Joint venture. Two or more companies set up a joint enterprise for cooperation. LAN – Local Area Network. A computer network restricted to company premises or a campus. LTE – Long Term Evolution. LTE is a further development of 3G (UMTS, HSDPA, HSPA) and is also referred to in the industry as the fourth generation of mobile communications (4G). LTE introduces a new wireless transmission method that requires new handsets and adjustments to the mobile communi­ cations network. LTE supports speeds of over 100 Mbit/s in the downlink and 50 Mbit/s in the uplink. M2M – Machine-to-Machine. Automatic exchange of information between machines. For example, in an emergency, alarm systems automatically send a signal to security or the police. Mbit/s – Megabits per second. Unit of data transmission speed. Mobile customers. For the purposes of the interim Group management report, one mobile communications card corresponds to one customer. The totals were calculated on the basis of precise figures and rounded to millions. Per- centages were calculated on the basis of the figures shown (see also SIM card). MVNO – Mobile Virtual Network Operator. Mobile virtual network operators market mobile communications products under their own brand name. They do not have a physical network infrastructure but instead use that of an estab- lished mobile network operator. Net debt. Net debt is calculated by deducting cash and cash equivalents as well as financial assets classified as held for trading and available for sale (due ≤ 1 year) from gross debt. In addition, all derivative financial assets and other financial assets are deducted from gross debt. Other financial assets include all cash collateral paid for negative fair values of derivatives as well as other interest-bearing financial assets.