NPS Intelligence (beta)

Our Net Promoter Scores (NPS) increased across all measured areas, including network coverage, internet speed, connection stability and 5G awareness.

Our strong customer orientation is clearly reflected in our Net Promoter Score, where we led our closest competitor by 17%. Overall, we once again delivered real ARPU growth in the second quarter.

So we are trying to improve our Net Promoter Score as well. So we are seeing that it is kind of easy technologically easy, especially with the electronic and eSIM, but we are closely following the trends.

In this regard, TV+'s net promoter score (NPS) has steadily increased over the past four quarters, and as of this quarter TV+ leads the market.

Confirmed by our Net Promoter Score, the consumer continued to recommend to a significantly higher degree than the competition, underlining our premium position in the mobile segment.

Customers have continued to recommend Turkcell to a significantly higher degree than the competition, as confirmed by our Net Promoter Score.

So, first of all, for drivers for NPS, there are three areas. One of them are segmented customer-centric strategy.

In the fourth quarter of 2020, our NPS in mobile for consumer segment rose 22 from 19 in the previous year and the gap with our closest competitor has widened further by 5 points, reaching 15 points.

On your net promoter score, so you are highlighting that in the second quarter, you widened the gap between yourself and your competitors. Can you just explain a bit what contributed to this?

At the same time, we have better churn. Also, we have better Net Promoter Score.

All in all, customers have continued to recommend Turkcell to a significantly higher degree than the competition as seen in our net promoter score.Next slide.

…5 reached 66.7%, up 10.9pp year-on-year; and multiplay with TV subscribers 6 reached 48.6%, up 4.2pp year-on-year o Leading NPS in the sector reflecting strong customer appreciation · Binding agreement with respect to the transfer of our stake in…

…2 growth of 18% on the back of successful execution of digital services-focused strategy and upsell performance o Strong customer loyalty reflected by mobile churn rate of 2.2% 3 , and leading NPS in the sector o Mobile triple play subscriber ratio…

This is visible in our net promoter score where the gap between Turkcell and the second and the third players continues to widen. Moving to the next slide.

Since the launch of 4.5G at the beginning of Q2, our net promoter score improved dramatically. We have been the only operator to improve net promoter score between Q3 and Q4, while our competitors recorded declined scores.

Churn (Mobile): 1.6% (Q2 2026 (monthly)) — “Our churn rate declined by 0.6 percentage points year-on-year to 1.6% in the second quarter”

Churn (residential fiber): 1.1% (Q2 2026) — “While monthly churn improved to 1.1%.”

Churn (Turkcell Türkiye mobile): 2% (FY2024) — “the annual churn rate remained stable at 2% throughout the year thanks to our successful subscriber retention strategy”

Churn (mobile): 2.7% (Q4 2025) — “As a result, our churn improved year-on-year to 2.7%.”

Churn (Fixed): 2% (Q3 2025) — “Fixed Churn (%) 2.0 %”

Churn (Mobile): 2.6% (Q3 2025) — “our mobile churn rate stood at 2.6%”

Churn (Fixed): 1.7% (Q2 2025) — “Fixed Churn (%) 1.2 % 1.4 % 1.7 % 0.5 pp 0.3 pp”

Churn (Mobile): 2.2% (Q2 2025) — “Mobile Churn (%) 1.5 % 1.7 % 2.2 % 0.7 pp 0.5 pp”

Churn (Fixed): 1.3% (Q1 2025) — “Fixed Churn (%) 1.3 % 1.8 % 1.4 % 0.1 pp (0.4 )pp”

Churn (Mobile): 1.5% (Q1 2025) — “Mobile Churn (%) 1.5 % 2.8 % 1.7 % 0.2 pp (1.1 )pp”

Churn (mobile): 1.7% (Q1 2025) — “Given the ongoing competitive landscape, our mobile churn rate remained low at 1.7%.”

Churn (Turkcell Türkiye mobile): 2% (2024) — “The annual churn rate remained stable at 2% throughout the year thanks to our successful subscriber retention strategy”

Churn (Fixed): 1.5% (FY2024 (annual)) — “Fixed Churn (%) 1.5 % 1.5 %”

Churn (Mobile): 2% (FY2024 (annual)) — “our mobile churn rate remained steady at 2%”

Churn (mobile): 2.8% (Q4 2024) — “However, due to accelerated market aggressiveness and life cycle closures, the churn rate rose to 2.8%.”

Churn (Fixed): 1.6% (Q324) — “The average monthly fixed churn rate remained steady at 1.6% in Q324 on a yearly basis.”

Churn (Mobile): 2.2% (Q324) — “Increased competition, along with seasonality, resulted in a mobile churn rate of 2.2% for the third quarter.”

Churn (Fixed broadband): 1.2% (Q2 2024) — “Our fixed subscriber churn rate, at 1.2%, marked its lowest level since 2006.”

Churn (Fixed): 1.3% (Q124) — “this quarter's fixed subscriber churn rate reached its lowest level since 2007, at 1.3%”

Churn (Mobile): 1.5% (Q124) — “our mobile subscriber churn rate reached its lowest level in the past 6 years, at 1.5%”

Churn (fixed broadband): 1.5% (2023, monthly) — “average monthly fixed churn rate slightly increased to 1.5% in 2023 from 1.4% in 2022”

Churn (mobile): 2% (2023, monthly) — “average monthly mobile subscriber churn rate was stable at 2.0%”

Churn (Fixed): 1.5% (FY2023) — “Fixed Churn (%) 1.5%”

Churn (Mobile): 2% (FY2023) — “Mobile Churn (%) 2.0%”

Churn (fixed): 1.6% (Q3 2023) — “The average monthly fixed churn rate was 1.6%”

Churn (Mobile): 2% (Q3 2023) — “The mobile churn rate ticked up to 2%, though remaining at a healthy level”

Churn (mobile): 1.9% (Q2 2023) — “The average monthly mobile churn rate slightly increased to 1.9% in Q223 which is still a healthy level”

Churn (Fixed): 1.5% (Q1 2023) — “the average monthly fixed churn rate was at 1.5% in Q123”

Churn (Mobile): 1.7% (Q1 2023) — “The average monthly mobile churn rate was at 1.7% in Q123”

Churn (Fixed broadband): 1.4% (2022) — “The average monthly fixed churn rate decreased to 1.4% in 2022 from 1.5% in 2021”

Churn (Mobile): 2% (2022) — “In 2022, we kept the average monthly mobile subscriber churn rate stable at 2.0%”

Churn (fixed): 1.4% (FY2022) — “the average monthly fixed churn rate was at 1.3% in Q422 and 1.4% in FY22”

Churn (mobile): 2% (FY2022) — “The average monthly mobile churn rate was at 2.7% in Q422, and 2.0% in FY22”

Churn (fiber): 1.1% (FY2022) — “the fiber churn rate decreased to an all-time low of 1.1%”

Churn (mobile): 2.7% (Q4 2022) — “The mobile churn rate slightly increased to 2.7%, as we deactivated a higher number of inactive subscribers in the fourth quarter”

Churn (Fiber): 1.2% (Q3 2022) — “The fiber churn rate of 1.2% was not much affected by price increase and higher mobility”

Churn (mobile): 1.9% (Q3 2022) — “the average monthly mobile churn rate remained limited to 1.9%”

Churn (Mobile): 1.8% (Q2 2022) — “we managed to keep our subscriber churn rate at a healthy level of 1.8% on a monthly basis”

Churn (Fixed): 1.4% (Q1 2022) — “The average monthly fixed churn rate decreased to 1.4% in Q122”

Churn (Mobile): 1.6% (Q1 2022) — “In Q122, the average mobile monthly churn rate declined to 1.6%, the lowest level of the past four years”

Churn (fixed broadband): 1.5% (FY2021) — “The average monthly fixed churn rate decreased to 1.5% in 2021 from 1.9% in 2020.”

Churn (fixed): 1.5% (FY2021) — “average monthly fixed churn rate was at 1.6% in Q421 and 1.5% in FY21”

Churn (fixed): 1.6% (Q4 2021) — “average monthly fixed churn rate was at 1.6% in Q421 and 1.5% in FY21”

Churn (mobile): 2% (FY2021) — “average monthly mobile churn rate... 2.0% in FY21, lowest level for last 4 years”

Churn (mobile): 2.5% (Q4 2021) — “average monthly mobile churn rate was at 2.5% in Q421, and 2.0% in FY21, lowest level for last 4 years”

Churn (mobile): 1.9% (Q3 2021) — “The average monthly mobile churn was at 1.9%, well below that of the last year.”

Churn (Fixed): 1.3% (Q2 2021) — “Fixed Churn (%) 1.6% 1.6% 1.3% (0.3pp) (0.3pp)”

Churn (Mobile): 1.7% (Q2 2021) — “the average monthly churn rate was realized at 1.7%, the lowest level of the past 3 years”

Churn (mobile TV): 0.5% (Q2 2021) — “The churn level for mobile TV product is half that of last year”

Churn (Fixed): 1.6% (Q1 2021) — “The average monthly fixed churn rate declined to 1.6% mainly driven by proactive retention actions”

Churn (Mobile): 1.8% (Q1 2021) — “The average monthly mobile churn rate declined to 1.8% in Q121, which was the lowest churn rate since Q118”

Churn (mobile): 2.3% (2020) — “Mobile churn (monthly) 2.3%”

Churn (fixed): 1.9% (Q420, monthly) — “Fixed Churn (%) 1.9% Q420 (2.3% prior period)”

Churn (mobile): 3% (Q420, monthly) — “Mobile Churn (%) 3.0% Q420 (4.5% prior period)”

Churn (Fixed): 2.1% (Q3 2020) — “the average monthly fixed churn rate was at 2.1%”

Churn (Mobile): 2.4% (Q3 2020) — “The average monthly mobile churn rate was at 2.4% in Q320”

Churn (mobile): 1.9% (Q2 2020) — “The monthly mobile churn rate was down to 1.9% from 2% last year at the previous quarter”

Churn (Fixed): 1.6% (Q2 2020) — “the average monthly fixed churn rate declined to 1.6% with 0.5pp improvement”

Churn (mobile): 1.7% (Q1 2020) — “The monthly mobile churn rate excluding the impact of regulatory change was down to 1.7 percentage from 1.8% last year”

Churn (Fixed): 2% (Q1 2020) — “Fixed Churn (%) 2.0%”

Churn (Mobile): 1.9% (Q1 2020) — “Mobile Churn (%) 1.9%”

Churn (Turkcell Turkey Fixed): 2.1% (2019) — “Fixed Churn 2.1%”

Churn (Turkcell Turkey Mobile): 2.7% (2019) — “Mobile Churn 2.7%”

Churn (mobile): 2% (Q4 2019) — “Excluding the impact of regulatory action and involuntary line deactivation at year-end, monthly mobile churn was at our comfort level of around 2%.”

Churn (Turkcell - Fixed): 2.3% (Q4 2019) — “Average monthly fixed churn rate was 2.3% in Q419 and 2.1% for the full year”

Churn (Turkcell - Mobile): 4.5% (Q4 2019) — “The average monthly mobile churn rate was at 4.5% and 2.7% in Q419 and FY19, respectively”

Churn (fixed): 2.1% (Q3 2019) — “our average monthly fixed churn rate was at 2.1%”

Churn (mobile): 2.5% (Q3 2019) — “In Q319, our average monthly mobile churn rate was at 2.5%”

Churn (Fixed): 2.1% (Q2 2019) — “our average monthly fixed churn rate was at 2.1%”

Churn (Mobile): 2% (Q2 2019) — “In Q219, our average monthly mobile churn rate was at 2.0%”

Churn (Fixed): 2% (Q1 2019) — “our average monthly fixed churn rate was at 2.0%”

Churn (Mobile): 1.9% (Q1 2019) — “In Q119, our average monthly mobile churn rate was at 1.9%”

Churn (Fixed): 1.8% (2018) — “Fixed Churn (8) 1.8 % 1.8 % 1.8 %”

Churn (Mobile): 2.1% (2018) — “Mobile Churn (7) 2.1 % 1.9 % 2.3 %”

Churn (Fixed): 2.2% (Q4 2018) — “Our average monthly fixed churn rate was at 2.2% in Q418”

Churn (Mobile): 2.9% (Q4 2018) — “In Q418, our average monthly mobile churn rate was at 2.9%”

Churn (mobile (excluding involuntary deactivations)): 2.4% (Q4 2018) — “Excluding involuntarily deactivated subscribers, our churn rate was 2.4%.”

Churn (fixed): 1.8% (Q3 2018, monthly) — “In Q318, our average monthly mobile churn rate was at 2.2%, while our average monthly fixed churn rate was at 1.8%.”

Churn (mobile): 2.2% (Q3 2018, monthly) — “Strong customer loyalty reflected by mobile churn rate of 2.2%”

Churn (fixed): 4.5% (Q2 2018, monthly) — “In Q218, our mobile churn rate was 5.5%, while our fixed churn rate was 4.5%.”

Churn (mobile): 5.5% (Q2 2018, monthly) — “In Q218, our mobile churn rate was 5.5%, while our fixed churn rate was 4.5%.”

Churn (Fixed): 5.3% (Q1 2018) — “In Q118, our mobile churn rate was 4.2%, while our fixed churn rate was 5.3%.”

Churn (Mobile): 4.2% (Q1 2018) — “Customer loyalty continued its positive trend; our mobile churn rate was 4.2% this quarter.”

Churn (Fixed): 19.6% (FY2017) — “Fixed Churn (%) ... 18.9% 19.6% 0.7pp”

Churn (Fixed): 5.7% (Q4 2017) — “Fixed Churn (%) 5.3% 5.7% 0.4pp”

Churn (Mobile): 5.6% (Q4 2017) — “Mobile Churn (%) 5.6% 7.1% 1.5pp”

Churn (Mobile): 20.5% (FY2017) — “Mobile churn at 20.5%, lowest of the past decade”

Churn (Mobile): 5.6% (Q3 2017) — “Mobile Churn (%) 6.3% 4.2% 5.6% (0.7pp) 1.4pp”

Churn (Lifecell (Cyprus)): 33.33% (Q3 2017) — “their churn rate is one-third of the churn rate of the entire customer base”

Churn (Fixed): 4.8% (Q2 2017) — “Fixed churn rate fell 0.3pp year-on-year with actions taken to reduce involuntary churn of customers.”

Churn (Mobile): 4.2% (Q2 2017) — “Mobile churn declined 3.8pp year-on-year with our value focused customer strategy, value propositions that led to increased customer retention...Mobile ARPU uplift of 13.7% year-on-year; decline in mobile churn rate to 4.2%”

Churn (Fixed): 5.2% (Q1 2017) — “Fixed churn (%) 5.0% 5.3% 5.2% 0.2pp (0.1pp)”

Churn (Mobile): 5% (Q1 2017) — “Mobile Churn (%) 7.5% 5.6% 5.0% (2.5pp) (0.6pp)”

Churn (Turkcell fixed): 18.9% (FY2016) — “The fixed churn rate increased to 18.9% in 2016 from 16.7% in 2015”

Churn (Turkcell mobile): 24.6% (FY2016) — “In 2016, the mobile churn rate decreased to 24.6% from 27.3% in 2015, primarily due to churn actions such as voice/data bundle offers”

Churn (fixed): 5.3% (Q4 2016) — “Fixed churn (%) 5.2% 5.3% 0.1pp”

Churn (mobile): 24.6% (FY2016) — “Mobile Churn (%) ... 27.3% 24.6% (2.7pp)”

Churn (mobile): 5.6% (Q4 2016) — “Mobile churn (%) 7.9% 5.6% (2.3pp)”

Churn (Fixed): 16.7% (FY2015) — “Fixed churn rate also decreased to 16.7% in 2015 from 17.7% in 2014”

Churn (Mobile): 27.3% (FY2015) — “Mobile churn rate...was 27.3% for the year ended December 31, 2015, compared to 28.3% for the year ended December 31, 2014”

Churn (mobile): 8.2% (Q3 2015) — “Mobile Churn (%) 8.2% 8.0% 6.9% (1.3pp) (1.1pp); Improvement in the churn rate by 1.3pp yearly”

Churn (Mobile): 8% (Q2 2015) — “Our churn rate was 8.0% (8.1%) in Q215.”

Churn (mobile subscribers in Turkey): 28.3% (2014) — “Our churn rate for mobile operations in Turkey was 28.3% for the year ended December 31, 2014, compared to 27.4% for the year ended December 31, 2013.”

Churn (Mobile): 7.7% (Q4 2014) — “Our churn rate increased by 1.0pp to 7.7% in Q414, and by 0.9pp to 28.3%* for the full year, primarily impacted by the increased competition in the market.”

Churn (Turkey mobile): 8.2% (Q314, monthly) — “Churn (%) 6.9% 8.1% 8.2% 1.3pp 0.1pp”

Churn (Turkcell mobile blended): 8.1% (Q2 2014) — “In Q214, our churn rate decreased to 8.1% (8.6%). Churn rate increased 0.3pp quarter-on-quarter due to seasonality.”

Churn: 7.8% (Q1 2014) — “In Q114, our churn rate decreased to 7.8% (8.5%). The rate increased 1.1pp quarter-on-quarter driven by increased competition.”

Churn (Turkey operations): 27.4% (2013) — “Our churn rate for operations in Turkey was 27.4% for the year ended December 31, 2013, compared to 27.1% for the year ended December 31, 2012.”

Churn: 6.7% (Q4 2013) — “In Q413, our churn rate decreased 0.5pp to 6.7%, mainly on the back of superior customer experience and our improved customer retention practices”

Churn (Turkcell Turkey): 6.9% (Q3 2013) — “Churn (%) 6.9% 8.6% 6.9% - (1.7pp)”

Churn (Turkcell Turkey): 8.6% (Q2 2013) — “Churn (%) 8.2% 8.5% 8.6% 0.4pp 0.1pp”

Churn (Turkcell Turkey blended): 8.5% (Q1 2013) — “Our churn rate increased to 8.5% in Q113 from 7.8% a year ago”

Churn: 27.1% (2012) — “churn rate to 27.1% in 2012 with effective retention and churn campaigns. Our churn rate for operations in Turkey was 27.1% for the year ended December 31, 2012, compared to 27.9% for the year ended December 31, 2011. Our churn rate decreased 0.8 percentage points”

Churn (Turkcell Turkey): 27.1% (FY2012) — “For the full year our churn rate decreased to 27.1%, the lowest level since 2008”

Churn (Turkcell Turkey): 7.2% (Q4 2012) — “In Q412, our churn rate decreased to 7.2% from 7.7% in Q411”

Churn (Turkcell Turkey): 6.9% (Q3 2012, monthly) — “During the quarter, our churn rate reached its lowest level of 6.9% (8.0%) since the launch of MNP, which we achieved through a greater focus on customer retention and satisfaction”

Churn (Turkcell Turkey): 8.2% (Q2 2012, monthly) — “During the quarter, our churn rate was at 8.2% (6.1%). Please note that there was a one-time impact of the new "active subscriber" definition of the Telecommunications Authority on prepaid subscribers in Q211”

Churn (Turkcell Turkey): 7.8% (Q1 2012, monthly) — “In Q112, our churn rate decreased to 7.8% from 9.3% a year ago, which we achieved through a greater focus on customer retention and satisfaction”

Churn: 27.9% (2011, annual) — “For the year ended December 31, 2011, our annual churn rate was 27.9%. Despite intense competition, we managed to decrease the churn rate 6 percentage points.”

Churn (Turkcell Turkey blended, quarterly): 7.7% (Q4 2011) — “In Q4 2011, our churn rate improved to 7.7%, down from 9.4% a year ago, which reflects the lowest figure since Q4 2008”

Churn (Turkcell Turkey): 8% (Q3 2011) — “In Q3 2011, our churn rate decreased to 8.0% from 8.9% a year ago, marking the lowest figure since Q4 2008”

Churn (Turkey overall): 6.1% (Q2 2011) — “Churn (%) 9.8 % 9.3 % 6.1 % (3.7pp ) (3.2pp ); In the Q2 2011, our churn rate decreased to 6.1% from 9.8% a year ago”

Churn: 9.3% (Q1 2011) — “In the first quarter of 2011, our churn rate decreased to 9.3% from 11.1% a year ago, mainly due to our focus on retention campaigns”

Churn (Turkcell): 23.8% (FY2010) — “Churn(5) 33.9 % 32.6 % 23.8 %; For the year ended December 31, 2010, our annual churn rate was 33.9%”

Churn (Turkcell (Turkey operations)): 33.9% (FY2010) — “For the year ended December 31, 2010, our annual churn rate was 33.9%. Due to our large subscriber base and intensified competition in the Turkish market throughout the year due to MNP, our churn rate increased 1.3 percentage points in line with our expectations.”

Churn: 9.4% (Q4 2010) — “In Q4 2010, our churn rate slightly improved to 9.4%, down from 9.7% a year ago”

Churn: 8.9% (Q3 2010) — “In 3Q 2010, our churn rate decreased to 8.9%, down from 10.2% during the same period of 2009”

Churn: 9.8% (Q2 2010) — “In the second quarter of 2010, our churn rate increased to 9.8%, from 9.0% during the same period of 2009”

Churn (blended mobile): 11.1% (Q1 2010) — “In the first quarter of 2010, our churn rate increased to 11.1% from 8.2% a year ago mainly due to the challenging competitive environment”

Churn (Turkey operations): 32.6% (FY2009) — “our churn rate for operations in Turkey was 32.6% for the year ended December 31, 2009 compared to 23.8% for the year ended December 31, 2008. Given our large subscriber base and intensified competition in the Turkish market due to MNP, our churn rate increased 8.8 percentage points”

Churn: 32.6% (2009) — “Our annual churn rate increased by 8.8 percentage points to 32.6% (23.8% a year ago)”

Churn: 9.7% (Q4 2009) — “In the fourth quarter of 2009, our churn rate slightly improved to 9.7%, down from 10.2% a quarter ago”

Churn: 10.2% (Q3 2009) — “In the third quarter of 2009, we recorded a churn rate of 10.2% mainly due to prepaid involuntary churn”

Churn: 9% (Q2 2009) — “In the second quarter of 2009, the competitive environment due to MNP implementation continued... led to an increase in our churn rate to 9.0% from 6.9% a year ago”

Churn: 8.2% (Q1 2009) — “In the first quarter of 2009, our churn rate increased to 8.2% from 7.2% a year ago”

Churn (Turkey): 23.8% (2008) — “For the year ended December 31, 2008, our annual churn rate was 23.8%”

Churn: 6.2% (Q3 2008) — “In the third quarter of 2008, our churn rate was recorded at 6.2%.”

Churn: 23.8% (FY2008) — “the annual churn rate increased slightly to 23.8% from 19.9% compared to a year ago”

Churn (blended): 6.9% (Q2 2008) — “In the second quarter of 2008, our churn rate was realized at 6.9%. This represented a 2.2 percentage points increase from 4.7% a year ago”

Churn (blended): 7.2% (Q1 2008, monthly) — “In the first quarter of 2008, our churn rate increased by 2.1 percentage points from 5.1% to 7.2%”

Churn (Turkey): 19.9% (FY2007) — “Our churn rate for operations in Turkey was 19.9% for the year ended December 31, 2007, compared with 14.7% for the year ended December 31, 2006.”

Churn: 5.9% (Q4 2007) — “In the fourth quarter of 2007, we recorded a churn rate of 5.9%, an increase of 1.5 percentage points compared to the same period in 2006.”

Churn: 5.7% (Q3 2007) — “In the third quarter of 2007, we recorded a churn rate of 5.7%, an increase of 1.6 percentage points compared to the same period in 2006”

Churn (Turkcell consolidated): 4.7% (Q2 2007) — “churn rate of 4.7%, an increase of 1.1 percentage points compared to the same period in 2006... decreased by 0.4 percentage points sequentially”

Churn: 5.1% (Q1 2007) — “In the first quarter of 2007, we recorded a churn rate of 5.1% mainly due to prepaid involuntary churn triggered by high acquisition campaigns”

Churn (Turkey operations): 14.7% (FY2006) — “For the year ended December 31, 2006, our annual churn rate was 14.7%. We have what we believe to be an adequate bad debt provision...We expect the churn rate to increase due to increasing competition in 2007.”

Churn: 4.4% (Q4 2006) — “In the fourth quarter of 2006, Turkcell's churn rate was 4.4%”

Churn: 14.7% (FY2006) — “The annual total churn rate as of December 31, 2006 increased to 14.7% from 10.1% as of December 31, 2005”

Churn: 4.1% (Q3 2006) — “In the third quarter of 2006, Turkcell's churn rate increased to 4.1%, compared to 3.6% in the second quarter of 2006”

Churn: 3.6% (Q2 2006) — “Turkcell's churn rate remained largely stable at 3.6%, compared to 3.5% in the first quarter of 2006”

Churn: 3.5% (1Q06) — “Turkcell's quarterly churn increased to 3.5% (2.9%) in the first quarter of 2006”

Churn: 3.51% (Q1 2006) — “churn rate to 3.51% from 2.86% in the fourth quarter of 2005”

Churn (Turkcell operations in Turkey): 10.1% (2005) — “For the year ended December 31, 2005, our annual churn rate was 10.1%”

Churn: 10.1% (FY 2005) — “The annual total churn rate as of December 31, 2005 increased to 10.1% from 9.1% as of December 31, 2004”

Churn: 2.9% (Q4 2005) — “In the last quarter of 2005, Turkcell's churn rate was 2.9% up from 2.5% in the third quarter of 2005”

Churn: 7.4% (9M 2005) — “Our churn rate was 7.4% for the nine month period ended September 30, 2005.”

Churn (Turkcell): 5% (H1 2005) — “churn rate 3 was 5.0% for the six month period ended June 30, 2005”

Churn: 2.6% (Q2 2005) — “In the second quarter of 2005, Turkcell's churn rate stayed nearly stable at 2.6% compared to 2.5% in the first quarter of 2005.”

Churn: 2.5% (Q1 2005) — “Our churn rate increased to 2.5% (2%) in the first quarter of 2005 mainly due to seasonally high subscriber acquisitions in summer season of 2004.”

Churn: 2% (Q4 2004) — “Turkcell's churn rate remained stable at 2% (2%) in the fourth quarter of 2004.”

Churn: 1.96% (Q4 2004) — “In the last quarter of 2004, Turkcell's churn rate remained stable at 1.96%”

Churn: 9.1% (FY2004) — “annual total churn rate was recorded as 9.1% for the year 2004 down from 14.5% in 2003”

Churn: 1.95% (Q3 2004) — “quarterly churn rate decreased to 1.95% (2.44%) in the third quarter of 2004”

Churn (Turkcell): 5.5% (H1 2004) — “Our churn rate was 5.5% for the six month period ended June 30, 2004.”

Churn (Turkcell): 14.5% (FY2003) — “During the year ended December 31, 2003, we disconnected approximately 170,993 additional subscribers for nonpayment of bills and our annual churn rate was 14.5%.”

Churn: 2.4% (Q2 2004) — “Turkcell lowered its churn rate to 2.4% (3.2%) in the second quarter of 2004, a 25% drop.”

Churn: 3.2% (Q1 2004) — “Turkcell's churn level was 3.2% in Q1 2004, which was significantly lower than last year's first quarter figure of 4.5%”

Churn: 3.14% (Q4 2003) — “The quarterly churn level retreated to 3.14% (3.87%) in the fourth quarter of 2003”

Churn: 14.5% (FY2003) — “recording a low 14.5% churn for the year in a four operator environment”

Churn: 11.7% (nine months ended 30 September 2003) — “Our churn rate was 11.7% for the nine month period ended September 30, 2003.”

Churn: 8.2% (six months ended 30 June 2003) — “Our churn rate was 8.2% for the six month period ended June 30, 2003.”

Churn: 4% (Q2 2003) — “Turkcell's churn level decreased 11% to 4.0% (4.5%) in the second quarter of 2003.”

Churn: 12.9% (FY2002, annual) — “For the year ended December 31, 2002, our annual churn rate was approximately 12.9%”

Churn: 4.5% (Q1 2003) — “Turkcell's quarterly churn rate increased 15% to 4.5% (3.9%) in the first quarter of 2003. The increase in churn is due to the increased competition”

Churn: 3.9% (Q4 2002) — “Turkcell's quarterly churn rate increased 15% to 3.9% (3.4%) in the fourth quarter of 2002. Despite the increase in the last quarter of the year, annual churn rate remained almost stable at 12.9%”

Churn: 9.3% (9M 2002) — “Our churn rate was 9.3% for the nine month period ended September 30, 2002.”