Turkcell Superonline Provides 1,000Mbps Fiber Internet Speed, Ranking Turkey Among Top Five in the World

By Turkcell, PRNE
Tuesday, May 3, 2011

ISTANBUL, May 4, 2011 - Turkcell (NYSE:TKC, ISE: TCELL), the leading communications and
technology company in Turkey, is delighted to announce that its fully-owned
subsidiary, and Turkey's leading Innovative telecom operator, Superonline,
has commenced its 1,000 Mbps internet speed service. The service ranks Turkey
among the top-five countries in the world to offer this speed. Meanwhile, we
announced that Superonline, which had initiated the fiber optic era in Turkey
simultaneous with the world, from here on in is to provide its services under
the "Turkcell Superonline" brand name, through a combination of the power and
brand of Turkcell, Turkey's leading communication and technology company.

Turkcell CEO Suereyya Ciliv, emphasizing the gradually increasing
contribution of Superonline to Turkcell has said that:

"Our group company Turkcell Superonline, which became the first company
to offer fiber internet to both residentials and corporates, has enriched
both Turkcell itself, and our Country since inception. Through our
investments, amounting to 1.4 billion TRY over the past three years, Turkcell
Superonline has continued to pioneer the fiber optic era in Turkey and
increased its contribution to the Turkcell Group with each passing day. And
today, we are proud to provide a 1,000 Mbps internet speed service in Turkey
by continuing under the new brand name of Turkcell Superonline to offer "More
of Life, and More of Technology" with the synergy set to be created through
the power of two large Turkish companies.

Turkcell Superonline General Manager Murat Erkan: "Turkcell Superonline
now offers 1,000Mbps fiber internet to homes, which provides broadband access
at "Light Speed" through the power of the Turkcell Superonline fiber
infrastructure. And in another innovation to redefine standards in Turkey, we
have increased the base internet speed to 20Mbps from 10Mbps. In the upcoming
period, we will continue our new generation fiber infrastructure investments
to provide more advanced technologies.

Today, Turkcell Superonline is present in 73 cities, with more than a
25,000 km fiber infrastructure, and a home pass of almost 700,000. By the end
of 2011, our fiber backbone will have reached 28,000 km, with home pass
having in creased to 1 million, across 10 cities. Moreover, we have eight
international gateways."

About Turkcell Superonline (www.superonline.net)

Turkey's innovative telecommunication operator,Turkcell Superonline,
continuously invests in the creation of its own fiber optic infrastructure.
Turkcell Superonline is the first and only telecom operator in Turkey to
provide 1,000 Mbps internet speed to its residential customers. Turkcell
Superonline overall provides services to individual and corporate customers,
in the fields of voice, data, broadband internet access, wholesale voice and
data, as well as leased line and all other value added telecommunication
services.

About Turkcell

Turkcell is the leading communications and technology company in Turkey
with 33.1 million subscribers and a market share of approximately 54% as of
March 31, 2011 (Source: Our estimations, operators' and Authority's
announcements). Turkcell is a leading regional player, with market leadership
in five of the nine countries in which it operates with its approximately
60.4 million subscribers as of March 31, 2011. Turkcell reported a TRY2.1
billion (US$1.3 billion) net revenue with total assets of TRY15.2 billion
(US$9.8 billion) as of March 31, 2011. Turkcell covers approximately 83% of
the Turkish population through its 3G and 99.07% through its 2G technology
supported network. It has become one of the first among the global operators
to have implemented HSDPA+ and achieved a 42.2 Mbps speed using the HSPA
multi carrier solution. Turkcell has been listed on the NYSE and the ISE
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
Holding, 13.07% by Sonera Holding and 1.19% by others, while the remaining
34.69% is free float. Read more at www.turkcell.com.tr/en

    For further information please contact Turkcell
    Nihat Narin, Investor and International Media Relations
    Tel: + 90-212-313-1244
    Email: nihat.narin@turkcell.com.tr
           investor.relations@turkcell.com.tr

www.turkcell.com.tr

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