Turkey is Included in the World Fiber League for the First Time With Superonline

ISTANBUL, March 9, 2011 - Turkcell (NYSE:TKC, ISE: TCELL), the leading communications
and technology company in Turkey is delighted to announce its 100% owned
subsidiary and Turkey's leading internet service provider Superonline's fast
entrance to the "fiber-to-the-home" league. Superonline was a key contributor
in helping place Turkey 8th on the list of fiber internet penetration among
G20 countries, according to the International Fiber-to-the-Home (FTTH)
Council's latest report.

The International FTTH (Fiber-to-the-Home) Council, one of the
world's most reputable non-profit corporations, in its 2011 report, ranked
Turkey 8th among G20 countries in terms of penetration. The report states,
"Superonline, Turkey's leading mobile operator and Turkcell's fully owned
subsidiary, enabled Turkey to be ranked the 8th among G20 countries in global
listing."

Superonline's General Manager Murat Erkan: "Committed to
enhance Turkey"

Superonline's General Manager Murat Erkan stated, "The Company
is proud to contribute to Turkey's inclusion in this list for the first time,
where only eight of the G20 countries were represented. Turkey's innovative
telecom operator Superonline built up its own IP backbone and reached 73
cities and spans more than 22.500km. Superonline offers 100 Mbps fiber
internet speed to residents in eight major cities in Turkey, ending the
copper era and starting up the fiber era."

Superonline recorded a solid financial performance in 2010. It
increased its revenues by 33% to TRY335 million.. In 2010, Superonline also
pursued opportunities to expand its reach across borders, through the RCN
Project, which formed the region's longest terrestrial fiber infrastructure
to connect the Middle East to the world via Turkey.

ABOUT FTTH COUNCIL:

FTTH Council was established at 2001 initially as an
organization accepting the membership of only telecommunication and
technology companies. Currently, it is a nonprofit corporation, which
incorporates different organizations from municipalities to service
suppliers. International FTTH Council's mission is to create awareness of
"fiber to the home" concept and this concept's contribution to life quality.

For Information: www.ftthcouncil.org.

ABOUT SUPERONLINE

Turkey's innovative telecom operator Superonline is a fully
owned Turkcell Group company. Superonline invests to new generation fiber
optic infrastructures continuously to create its own infrastructure.
Superonline is the first and only telecom operator which provides 100 Mbps
internet to the residentials. Superonline provides service to individual and
corporate customers, in the fields of internet access, new generation
telephone services, corporate total telecom solutions, wholesale voice and
data services, datacenter services and, any other value added
telecommunication services. Read more at www.superonline.net.

ABOUT TURKCELL

Turkcell is the leading communications and technology company
in Turkey with 33.5 million subscribers and a market share of approximately
54% as of 2010 (Source: Operator'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 2010.
Turkcell reported TRY9.0 billion ($6.0 billion) net revenue and its total
assets reached TRY15.1 billion ($9.8 billion) as of 2010. Turkcell covers 82%
of the Turkish population through its 3G and covers 99.07% of the Turkish
population through its 2G technology supported network. Turkcell has become
one of the first operators among the global operators to have implemented
HSDPA+ and to reach to 42.2 Mbps speed with 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 Çukurova 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.

    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

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