InvestorPresentation

August 2012 0

2

Disclaimer

This presentation has been prepared by SK Telecom Co., Ltd. (“the Company”). This presentation is being

presented solely for your information and is subject to change without notice. No representation or warranty,

expressed or implied, is made and no reliance should be placed on the accuracy, fairness or completeness of the

information presented. The Company, its affiliates, advisers or representatives accept no liability whatsoever for

any losses arising from any information contained in the presentation.

This presentation does not constitute an offer or invitation to purchase or subscribe for any shares of the

Company, and no part of this presentation shall form the basis of or be relied upon in connection with any contract

or commitment.

The contents of this presentation may not be reproduced, redistributed or passed on, directly or indirectly, to any

other person or published, in whole or in part, for any purpose.

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Contents

1. Wireless

2. 4G LTE

3. SK Planet

4. SK Hynix

5. Financial Results

6. Shareholder Return

10%

15%

20%

25%

30%

35%

40%

45%

50%

55%

4

Wireless market overview1. Wireless

Wireless market trend

Total subscribers

Penetration

(Unit: Mn, %)

Smartphone subscribers

90%94%

98%

104% 106% 106%105%

2007 2008 2009 2010 2Q11 4Q11 2Q12

4446

4850

52 53 53

Source: Company & KCC data as of June 30, 2012

Wireless market share trend

(Unit: %)

Strong demand for LTE services continues to spur smartphone growth

Market structure to remain intact despite disruptive competitive dynamics

Mar.07: KT first to

complete nationwide

HSDPA rollout

Nov.09: KT first to

release iPhone

Mar.12: LGU+ first to

complete nationwide LTE

network rollout

SKT

50.3

KT

31.1

LGU+

18.6

1

7

15

23

28

‘09 ‘10 2Q12‘08 ‘11‘07‘06

5

SK Telecom overview1. Wireless

SKT’s subscribers by network

LTEWCDMACDMA

(Unit: Mn)

2Q122009 2010

23.024.3

25.7

26.6

20112008

8.3 12.7 15.9 19.1

14.811.6

9.86.9

0.7

26.7

17.5

5.8

3.3

Expanding LTE subscriber base and increasing number of smartphone users

provide solid long-term growth prospects

2010

11

0.5

3.9

18(E)

Percentage of smartphone subscribers to total subscribers

SKT’s smartphone subscribers

2011 20122009

15%

42%

2%

(Unit: Mn)

14

2Q12

53%

70%(E)

Smartphone m/s(as of 2Q12)

SKT

49% KT

33%

LGU+

18%

Source: Company & KCC data as of June 30, 2012

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LTE competitiveness2. 4G LTE

Launched VoLTE LTE download speeds

※ Source: www.Benchbee.co.kr , 2 week survey,

July 25 ~ August 7, 2012

37.2 Mbps

35.1

32.8

SKT A company B company

SKT continues to set the standard for services and network quality; launched

VoLTE and deploying multi-carrier network solution

Introduction of additional services and network solutions to further enrich the

LTE user experience

Commercialized in Aug. 8, 2012

Packed-based premium service

− Guarantees highest call quality

using QCI (QOS Class Identifier)

technology

− Seamless switching from voice

to video to multiparty calling, as

well as content sharing

Capable of reaching 99% of the

population

3Q 2012 ~

Deploying multi-carrier solution

Freq.…800MHz 1.8GHz

LTE

Channel #1

LTE

Channel #2

Allows devices to access various LTE

frequencies to optimize throughput

Carrier aggregation solution

− Representative LTE-Advanced technology to be deployed in 2H13

− Increases data speed by utilizing multiple frequencies simultaneously

HIS (Heterogeneous N/W Integration Solution)

− To be deployed in 4Q12

− Integrates two different mobile networks (3G+Wi-Fi and LTE+Wi-Fi) to provide speeds of up to ~100Mbps

SKT’s cutting-edge network solutions

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LTE subscribers2. 4G LTE

2011 2012 2013 2014

56% CAGR

(2012~2014)

13(E)

0.7

7(E)

17(E)

2011 1Q12 2Q12

630

1,140

LTE subscriber targetsLTE subscriber additions

LTE subscriber growth continues to gain momentum

Targeting at 7mn subscribers by year-end

1,570

3%

25%

46%

60%

■

■

■

Percentage of LTE subscribers

(Unit: Mn)(Unit: ‘000)

■

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LTE price plan and ARPU2. 4G LTE

Popular tariff plan

Data

/Voice/SMS

Price

(KRW)

Revenue

discount

(KRW)

Net

ARPU

(KRW)

LTE-625GB*

/350mn/35062,000 16,000 46,000

3G-54Unlimited

/300mn/25054,000 17,500 36,500

Diff.Unlimited

5GB

/+50mn/+100+8,000 -1,500 +9,500

High quality

sound mp3

Web surfing

* 5GB =High

quality video streaming

25,000 pages 1,000 songs 11 hours

or or

Popular LTE price plans provide ARPU uplift; over 70% of LTE subscribers on

LTE-62 or higher price plans

LTE ARPU is significantly higher than smartphone and blended ARPU

Additional charge of up to KRW 18,000 for incremental

3GB in excess of allotment

ARPU comparison

(Unit: KRW ‘000)

LTE Smartphones

(3G + LTE)

54.3

42.0

29%

higher

Blended ARPU

32.7

66%

higher

as of 2Q12

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profitability improvement2. 4G LTE

2Q11 3Q11 4Q11 1Q12 2Q12

33.2 32.6

33.6

Note: Includes SK Planet revenues

32.2

2H12

Blended ARPU

(Unit: KRW ‘000)

Ta

riff cu

t

LT

E u

plift

Expect ARPU to continue its upward trajectory, with 3Q12 posting positive

YoY growth

Rational market spend and capex investments to have positive profit impact

32.7

Rational market competition

− Subsidies for new and renewing

subscribers reduced by 70-100K Won

− Penalties for premature contract

termination; terminating subscribers

subject to a fee for discount benefits

received

Capex to trend down over the mid- to

long-term

Cost control initiatives

Financial results and 11st3. SK Planet

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SK Planet’s financial results

281

(Unit: KRW Bn)

11st revenue

261

174

(Unit: KRW Bn) 330(E)

7561

Mobile 11st transaction volume

81

(Unit: KRW Bn)

44

4Q11

2010 2011 2012

2011 2012

SK Planet continues to show strong growth

11st, the open market e-commerce platform, is solidly positioned in both the

huge online and rapidly growing markets

7661

53

8

245

1Q12

-3

250

2Q12

17

Revenue

Operating income

Annual

1Q2Q

Annual

1Q

2Q

T store and other platforms3. SK Planet

(Unit: Mn)

Mobile media platform

6.6

2011 2Q12 2012

8.5(E)

(Unit: Mn)

T map active users

5.8

T store active users

T store and T map continues to show strong traction with mobile media

services showing significant growth potential

4.8

2011 2Q12 2012

4.0

6.2(E)

1Q12

6.3

1Q12

4.3

(Unit: Mn)

2.2

2011 2Q12

1.6

1Q12

1.9

mobile *

Mobile- and web-based media service

VOD-focus, download play

2012 subscriber target : 5 million

Customer base: LTE, 3G subscribers and PC

users

Mobile-based media service

Realtime channel-focus, streaming play

- VOD service scheduled in Oct. 2012

Launched on July 26, 2012

Customer base: LTE and IPTV subscribers

* SK Broadband service

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4. SK Hynix Impact on SKT’s results

Recent results

SKT recorded KRW 3.3bn in SK Hynix-related

equity accounting losses in 2Q12

Market consensus forecast

10.7

(Unit: KRW Tn)

2012

3.8

0.3

12.6

2013

5.5

1.6

Revenue EBITDA Net income

Source: Thomson One, as of August 7, 2012

SK Hynix operating income turned positive, with capital structure showing continued improvement

Market consensus forecast points to rapid improvement in earnings

13.7

2014

6.2

2.0

Unit: KRW Tn 2010 2011 2Q12 % YoY % QoQ

Revenue 12.1 10.4 2.6 -4.6 10.2

EBITDA 6.1 3.7 0.8 -39.5 36.9

Oper. profits 3 0.3 0.2 -94.9 N/A

Net income 2.6 -0.1 -0.5 N/A N/A

Debt 6.3 6.8 6.6 0.4 Tn 0.2 Tn

Net debt 4.1 4.9 3.6 -0.8 Tn 0.6 Tn

Debt/Equity 79% 87% 67% -5%p +2%p

Net debt/Equity 51% 63% 37% -14%p +7%p

5. Financial Results (K-IFRS)

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Operating Income

EBITDA

Net Income

2Q12

4,015

385

1,000

121

2Q11(Unit: KRW Bn)

YoY

-42.8%

-22.7%

-74.1%

-0.6%4,038

673

1,294

465

1Q12 QoQ

-17.3%

-7.6%

-59.9%

0.8%3,985

465

1,082

300

Revenues

Consolidated

Net Debt/Equity 47.9% 20.7%pt27.2% 3.8%pt44.1%

SKT CapEx

(Non-consolidated) 616 10.2%559 27.8%482

6. Shareholder Return

Total shareholder returns

(Units: KRW Bn)

Cash dividend Share buyback*

Maintain strong shareholder return policy

Paid annual cash dividend of KRW

9,400/share since 2007

- Includes interim dividend of KRW 1,000/share

Commenced share buybacks in 4 out of

past 5 years

- KRW 208bn in 2011

Intend to maintain current cash dividend

policy in 2012

- Paid interim dividend of KRW 1,000/share

Strong shareholder return policy

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* The total number of treasury stocks stood at 11,050,712 shares(13.69% of total stock issued) as of 2Q12

680

2009 2010

880 864

2011

210 208

774

2008

92

801

2007

119

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Website: http://www.sktelecom.com → Investor relations