Press release

16 November 2011

Imagination launches HelloSoft 4G VoLTE platform and SDK in Japan

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Yokohama, Japan: Imagination Technologies, a leading multimedia and
communications technologies company, is bringing the latest in its HelloSoft 4G V.VoIP and
VoLTE solutions for smartphones, tablets, and mobile computing devices to Embedded
Technology in Yokohama Japan (Nov 16-18, Pacifico, Yokohama; Imagination booth D-35).

Imagination’s HelloSoft V.VoIP (voice and video over IP) SDK’s enable the most comprehensive
multiplatform mobile device solutions in the world for delivering the full range of two-way real time
communications including Voice over LTE (VoLTE), Voice Call Continuity (VCC) Video and Voice
over IP (V.VoIP) and SMS over IP.

Imagination’s VoLTE solution is fully standards compliant with 3GPP Voice over LTE and IR-92
specifications, and incorporates award winning multiplatform HelloSoft VoIP technology featuring
AEC (Acoustic Echo Cancellation) and NC (Noise Cancellation) to produce superior voice quality
on 4G mobile devices.

Says Tony King-Smith, VP marketing, Imagination: “VoLTE is the future of cellular voice
communications and is beginning deployment now. It’s exciting to see VoLTE open up a wide
range of new use cases and capabilities for voice-based communications, evolving voice from
basic audio telephony into a highly integrated capability permeating all aspects of smartphone
functionality. We are excited by the prospects for Imagination’s technologies being at the forefront
of this evolution.”

The HelloSoft V.VoIP SDK and VoLTE solutions are ideal for mobile device developers, OEMs
and carriers. The products offer developers, OEMs and carriers outstanding voice quality over 4G
LTE networks, and at the same time provide a path to rapid development of innovative next
generation voice enabled applications.

Says Allan Johnson, general manager, HelloSoft V.VoIP at Imagination Technologies: “Carrier
network interoperability can be very complex and achieving outstanding voice quality is difficult
across varied network conditions. Furthermore, achieving highly reliable performance on a diverse
range of mobile device chipset architectures is challenging. To solve this, we created easy to use
APIs that are portable across Android, iOS, Linux and Windows operating systems for essentially
‘write once, run anywhere’ code while at the same time providing SDK implementations that are
highly optimized across processor and modem architectures. Imagination’s HelloSoft V.VoIP SDKs
and VoLTE solution are simply the most comprehensive high performance multiplatform solutions
on the market for voice and video over IP on 4G mobile devices.”

Imagination’s HelloSoft voice and video over IP products also include field proven Dual Radio
Voice Call Continuity (DR-VCC) technology with capability to support Single Radio VCC.

Combined with the HelloSoft VoLTE solution, HelloSoft VCC enables seamless handoff of VoIP
and circuit switched calls across 4G/3G/2G networks and also between multiple IP networks such
as LTE, WiFi and WiMAX.

Imagination’s HelloSoft V.VoIP solution is also available as a complete turn-key client.

Kineto Wireless

Kineto Wireless, a key innovator and leading supplier of Smart Wi-Fi solutions for mobile
operators, has licensed Imagination’s HelloSoft Acoustic Echo Cancellation (AEC) and Noise
Cancellation (NC) technologies. These will enable best quality audio for Kineto’s Smart Wi-Fi
solutions for mobile operators.

Imagination’s award winning HelloSoft V.VoIP (video and voice over IP) client solutions and
technology components are available on smartphones, tablets, PCs and other mobile devices.
Kineto is shipping the solution in over 25 Android handsets to date.

Says Mark Powell, Vice President and Co-founder of Kineto Wireless: “Imagination’s expertise in
echo cancellation and noise cancellation algorithms has enabled superior quality mobile VoIP for
our Smart Wi-Fi solutions, significantly enhancing the end user experience. Kineto’s primary
consideration was audio quality across a wide range of operating conditions and Imagination’s
solution offered the best performance.”

About HelloSoft V.VoIP

Imagination’s HelloSoft range of licensable IP includes comprehensive platforms for high quality,
power-efficient VoLTE, VoIP, Video over IP and rich communications for multi-mode wireless and
wireline devices.

HelloSoft technologies are ‘carrier-grade’ and deployed in millions of devices, built on years of
engineering experience to ensure that they are ready for the most extensive of commercial
network deployments, and are available for Android, iPhone, Windows and Linux platforms.

About Imagination Technologies

Imagination Technologies Group plc (LSE:IMG) – a global leader in multimedia and
communication technologies – creates and licenses market-leading multimedia IP cores for
graphics, video, and display processing, multi-threaded embedded processing/DSP cores and
multi-standard communications and connectivity processors. These silicon intellectual property
(IP) solutions for systems-on-chip (SoC) are complemented by platform level IP and services, a
strong array of software tools and drivers and extensive developer and middleware ecosystems.
Target markets include mobile phone, handheld multimedia, home consumer entertainment,

mobile and low-power computing, and in-car electronics. Its licensees include many of the leading
semiconductor and consumer electronics companies. Imagination has corporate headquarters in
the United Kingdom and US headquarters in Sunnyvale, California, with sales and R&D offices
worldwide. See:

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