Dialog Semiconductor Plc.: Dialog Semiconductor mandates Close Brothers Seydler Bank AG as its new Designated Sponsor

Dialog Semiconductor Plc. / Miscellaneous

Release of an Ad hoc announcement according to § 15
WpHG, transmitted by DGAP - a company of EquityStory AG.
The issuer is solely responsible for the content of
this announcement.

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Frankfurt, Germany, June 30th, 2009 - Dialog
Semiconductor plc (FWB: DLG), a leading provider of
Power Management Semiconductor solutions, announces 
that it has mandated Close Brothers Seydler Bank AG,
the Small- and Mid-Cap specialist, as its designated
sponsor (market maker) with trading start July 1st,
2009.

Dialog Semiconductors plc shares are listed in the
Prime Standard segment of the Frankfurt Stock Exchange
(FWB: DLG). Dialog Semiconductor is a leading global
player in highly integrated mixed signal power
management IC and is engaged with top tier customers
such as Apple, Sony Ericsson and Samsung.

Close Brothers Seydler Bank AG is the market leading
Sponsor in Germany as per number of mandates and has
been consistently assigned with an 'AA' Rating by the
German Stock Exchange (Source: 1Q Rating Deutsche
Börse).
Mandating a Designated Sponsor is a pre-requisite for
continuous trading of the Company's shares on Xetra(R),
the German Stock Exchange's fully electronic trading
platform. It is the one of the world's most powerful 
integrated trading systems for securities. Designated
Sponsors provide additional liquidity and support
trading on Xetra(R) by offering binding prices for the
bid- and ask-side and are responsible for alleviating
any imbalances between supply and demand.


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Information and Explaination of the Issuer to this
News: 
René Parmantier, Board Member at Close Brothers
Seydler Bank AG commented: 'We are excited to join
forces with Dialog Semiconductor, one of the fastest
growing listed semiconductor companies in Europe. We
look forward to working with the management team, who
has proven its commitment to develop Dialog's
operational business to its full potential.' 
Jean-Michel Richard, Chief Financial Officer of Dialog
Semiconductor, added: 'By making Close Brothers Seydler
Bank AG, the renowned German small-cap specialist and
market leading Designated Sponsor, our Designated 
Sponsor, we will be providing for further support in
the liquidity of our shares on Xetra(R).'

About Close Brothers Seydler Bank AG

Close Brothers Seydler Bank AG is a fully-licensed
bank which has been part of the Close Brothers Group
plc, London since 2005. With over 160 Small & Mid Cap
company mandates, the company is the market leader in
Designated Sponsoring in Germany, and engages as one of
the leading floor specialist traders for equities and
bonds in over 2,100 directed securities on the 
Frankfurt Stock Exchange. In the UK, institutions are
serviced by the sales and trading team of affiliate
company Close Brothers Seydler Ltd. Research services
are provided via the Close Brothers Seydler Research
AG.

About Dialog Semiconductor

Dialog Semiconductor creates energy-efficient,
integrated, mixed-signal circuits optimised for
personal mobile, lighting & display and automotive 
applications. The company provides flexible and
dynamic support, world-class innovation and the
assurance of dealing with an established business
partner.  Customers with a significant contribution to
revenue include Sony-Ericsson, Apple, Bosch and
TridonicAtco.

With its unique focus and expertise in system power
management, Dialog brings decades of experience to the
rapid development of integrated circuits for power
management, audio, display processing and control.
Dialog's processor companion chips are essential for
enhancing both the performance of hand-held products
and the consumers' multimedia experience.
With world-class manufacturing partners, Dialog
operates a fabless business model.

Dialog Semiconductor plc is headquartered near
Stuttgart with a global sales, R&D and marketing
organisation. In 2008, it had more than $160 million in
revenue and was the fastest growing European public 
semiconductor company, achieving a growth rate of more
than 85%. It currently has approximately 300 employees.
The company is listed on the Frankfurt (FWB: DLG) stock
exchange.

For further information please contact:
Dialog Semiconductor       FD - London           FD -
Frankfurt Neue Straße 95             Erwan Gouraud     
   Claudine Schaetzle D-73230 Kirchheim/Teck     T +44
20 7831 3113    T  +49 69 920 37 185 Germany           
        erwan.gouraud@fd.com  c.schaetzle@abfd.de  T
+49-7021-805-412  F +49-7021-805-200 
dialog@fd.com 
www.dialog-semiconductor.com 


30.06.2009  Financial News transmitted by DGAP

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