ISTANBUL, September 25 /PRNewswire-FirstCall/ -- Turkcell, the leading
communication and technology company in Turkey, today announced that it
will launch iPhone 3G in Turkey on September 26 2008.

    iPhone 3G combines all the revolutionary features of iPhone plus
built-in GPS for expanded location-based mobile services, and iPhone 2.0
software which includes support for Microsoft Exchange ActiveSync and runs
thousands of third party applications available through the Apple App
Store.

    "We are delighted to be bringing iPhone 3G to Turkey," said Lale Saral
Develioglu, Turkcell's Chief Marketing Officer. "Turkcell was the first
company to bring the mobile internet to Turkey and we have no doubt that
the innovative and easy-to-use iPhone 3G will now help take mobile internet
and multimedia experiences to new heights. As one of the top three
operators in Europe, Turkcell is proud to offer this prestigious product to
its customers."

    New and existing Turkcell customers will benefit from attractive offers
with special Turkcell privileges when they purchase iPhone 3G:



                    Package Services               Price of      Monthly
                                                   iPhone 3G  package prices*
    Small Package   150 minutes+150 SMS+
                    Unlimited internet package      279 YTL       75 YTL

    Medium Package  500 minutes+500 SMS+
                    Unlimited internet package      189 YTL      115 YTL

    Large Package   1000 minutes+1000 SMS+
                    Unlimited internet package        Free       145 YTL

    iPhone 3G will also be available without contract at EUR129 per month
for five installments.

    Owners of iPhone 3Gwill receive a 100MB internet package for one month
free of charge. In addition, they will have an unlimited internet package
for three months at half price**.

    Subscribers who opt for an 18 month plan will be able to purchase
iPhone 3G for 0-279 YTL depending on the plan.

    For further information or to register interest please visit
http://www.turkcell.com.tr.

    *Monthly package prices are include VAT but exclude SCT (Special
Consumption Tax). iPhone 3G prices are inclusive of all taxes.

    **Unlimited internet package includes monthly usage of 3GB.

    About Turkcell

    Turkcell is the leading GSM operator in Turkey with 35.4 million
postpaid and prepaid customers as of June 30, 2008, operating in a three
player market with a market share of approximately 56% as of March 31, 2008
(Source: The Telecommunications Authority). In addition to high-quality
wireless telephone services, Turkcell currently offers General Packet Radio
Service ("GPRS") countrywide and Enhanced Data Rates for GSM Evolution
("EDGE") in dense areas, which provide for both improved data and voice
services.

    Turkcell provides roaming with 590 operators in 200 countries as of
August7, 2008. Serving a large subscriber base in Turkey with its
high-quality wireless telephone network, Turkcell reported US$3.3 billion
net revenues for the six months as of June 30, 2008 and US$6.3 billion net
revenues as of December 31, 2007 as per IFRS financial statements. Turkcell
has interests in international GSM operations in Azerbaijan, Georgia,
Kazakhstan, Moldova, Northern Cyprus, Belarus and Ukraine. Turkcell has
been listed on the NYSE ("New York Stock Exchange") and the ISE ("Istanbul
Stock Exchange") since July 2000 and is the only NYSE listed company in
Turkey. 51.00% of Turkcell's share capital is held by Turkcell Holding,
0.05% by Cukurova Group, 13.07% by Sonera Holding, 2.32% by M.V. Group and
0.08% by others while the remaining 33.48% is free float.



    For further information please contact

    Turkcell Corporate Affairs
    Koray Ozturkler, Chief Corporate Affairs Officer
    Tel: +90-212-313-1500
    Email: koray.ozturkler@turkcell.com.tr

    Investors and International Media:
    Ferda Atabek, Investor Relations
    Tel: +90-212-313-1275
    Email: ferda.atabek@turkcell.com.tr
    investor.relations@turkcell.com.tr

    Local Media:
    Filiz Karagul Tuzun, Corporate Communications
    Tel: +90-212-313-2304
    Email: filiz.karagul@turkcell.com.tr

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