ISTANBUL, Turkey -- Turkcell (NYSE: TKC, ISE: TCELL), the leading provider of mobile communications in Turkey, announced today that its total number of subscribers reached 29.83 million as of June 30. This corresponds to an increase of 3.8% from 28.74 million as of March 31, 2006.

Turkcell added approximately 1.1 million net new subscribers in the second quarter of 2006. Turkcell's subscriber base consists of 5.57 million postpaid and 24.26 million prepaid subscribers. New gross subscribers acquired in the second quarter of 2006 consisted of 90% prepaid and 10% postpaid subscribers. In the second quarter of 2006, Turkcell's churn rate remained largely stable at 3.6%, compared to 3.5% in the first quarter of 2006, in line with our expectations.

During this period, Turkcell introduced several acquisition campaigns, as well as mass and segmented retention activities and loyalty programs, to further increase customer satisfaction. We will continue to aim to maintain our leadership position in the market. The subscriber acquisition growth trend during the second quarter of 2006 has remained strong despite the volatility in the macroeconomic environment over the last two months and the volatility has not had a significant impact on Turkcell's customers' usage trends so far. The Company will continue to monitor macroeconomic developments and their possible impact on its operations.

Turkcell Iletisim Hizmetleri A.S. (NYSE: TKC)