- 1 - Why CPP Service? Acquire stable Search sales revenue -CPP can be an alternative plan to reduce CPCs PVs dependency risk. Various product requirement.

- 1 -

Why CPP Service?

• Acquire stable Search sales revenue

- CPP can be an alternative plan to reduce CPC’s PVs dependency risk.

• Various product requirement from customers

- Prefer utilizing campaign based on Cost Per Period for fixed marketing budgets

- Possible to target various Advertisement (SMB, Fixed budget)

• The best solution for Auction site

- CPP Service performance was already verified on an Auction site in KR.

- eBay Korea CPP revenue : (USD) 24M ~ 36M / Year

- eBay Korea PVs : 100,000,000 pv/daily

- 2 -

Comparison How Search Marketing Differs :US vs. KR

YAHOO! CONFIDENTIAL

Y!SM

SponsoredSearch

ContentMatch

SearchProduct(Submit)

US

Search Product

(CPP & Submit)

KR

SponsoredSearch

Content Match

Intl. YSM Infra

Y! KR own system (Titan)

- 3 -

CPP Service creates unique opportunities

YAHOO! CONFIDENTIAL

CPP = Cost per Period The term “CPP” is used instead of “CPM”. CPP refers to Cost per Period, since product sold by

period base, not impression.

OV CPC

Y! KR CPP

OV CPC

Naver’s CPP

Naver’s CPC

Google’s CPC

Daum’s CPP

Daum’s CPC

Naver’s CPC

- 4 -

CPP Revenue portion in Y! KR (Titan System)

YAHOO! CONFIDENTIAL

2007F

(USD 000) 2005 2006 2007

CPC 20,583 23,807 22,980

CPP & Other 17,317 20,391 17,711

Total 37,900 44,198 40,691

CPP Portion in Ads type(%)

46% 46% 43%

YoY Increase(%) 17% -8%

Total Y!K Rev 70,645 81,282 67,383

Total CPP Portion(%) 25% 25% 26%

• YoY CPP revenue decreased by -21% due to Combo search PVs decreasing

• Revenue Portion (CPC 56%, CPP & Others 44%)

- 5 -

- CPP Listing Dynamic ordering and Scoring

YAHOO! CONFIDENTIAL

Objectives : For search quality enhancement with searched advertisements result andProvide advertisers options to improve their campaign performance by Good title and description.