1. Google Confidential and Proprietary 1 1 Colon Cleansing United States Quarterly Update Last Quarter: Q2 2014 September 2014

2. Google Confidential and Proprietary 2 2 Desktop queries declined by -6%, while Mobile queries grew by 26% and Tablet searches grew by 7% YoY in the same period Queries grew by 9% in Q2 2014 in the Colon Cleansing Category

3. Google Confidential and Proprietary 3 3 Colon Cleansing: Q2 2014 Auction Metrics Update Source: Google internal search data, based on pre-categorised queries for the Colon Cleansing. Note: In-quarter metrics for Query Volume and Ad Depth are only available. Impressions (Q2 2014 Y/Y: 13.01%) Clicks (Q2 2014 Y/Y: 30.91%) Actual CPC (Q2 2014 Y/Y: -8.44%, Avg:$0.79)

4. Google Confidential and Proprietary 4 4 Colon Cleansing: Q2 2014 Auction metrics update Source: Google internal search data, based on pre-categorised queries for the Colon Cleansing. Note: In-quarter metrics for Query Volume and Ad Depth are only available. Auction Stats by Platform: Q2 2014 YoY and Averages (where applicable) Platform QueriesImpressionsClicksAd CTR YoYAd CTR AvgCPC YoYCPC AvgAd Depth YoYAd Depth Overall8.89%13.01%30.91%15.84%1.89%-8.44%$0.7913.26%5.03 Desktop-6.03%4.40%3.14%-1.20%1.67%-6.00%$0.8814.60%6.59 Mobile26.10%24.28%93.95%56.05%2.37%0.61%$0.6418.40%3.39 Tablet6.91%31.49%49.31%13.55%1.81%-8.49%$0.8813.20%5.19 Ad Depth (Q2 2014 Y/Y: 13.26%, Avg:5.03) Ad CTR(vQ2 2014 Y/Y: 15.84%, Avg:1.89%)

5. Google Confidential and Proprietary 5 5 Colon Cleansing: All Devices Auction metrics evolution Source: Google internal search data, based on pre-categorised queries for the Colon Cleansing. Note: In-quarter metrics for Query Volume and Ad Depth are only available. Queries Y/Y 8.89% Impressions Y/Y 13.01% Clicks Y/Y 30.91% Ad CTR Y/Y 15.84% (1.89%) CPC Y/Y -8.44% ($0.79)

6. Google Confidential and Proprietary 6 6 Colon Cleansing: Desktop Auction metrics evolution Source: Google internal search data, based on pre-categorised queries for the Colon Cleansing. Note: In-quarter metrics for Query Volume and Ad Depth are only available. Queries Y/Y -6.03% Impressions Y/Y 4.40% Clicks Y/Y 3.14% Ad CTR Y/Y -1.20% (1.67%) CPC Y/Y -6.00% ($0.88)

7. Google Confidential and Proprietary 7 7 Colon Cleansing: Mobile Auction metrics evolution Source: Google internal search data, based on pre-categorised queries for the Colon Cleansing. Note: In-quarter metrics for Query Volume and Ad Depth are only available. Queries Y/Y 26.10% Impressions Y/Y 24.28% Clicks Y/Y 93.95% Ad CTR Y/Y 56.05% (2.37%) CPC Y/Y 0.61% ($0.64)

8. Google Confidential and Proprietary 8 8 Colon Cleansing: Tablet Auction metrics evolution Source: Google internal search data, based on pre-categorised queries for the Colon Cleansing. Note: In-quarter metrics for Query Volume and Ad Depth are only available. Queries Y/Y 6.91% Impressions Y/Y 31.49% Clicks Y/Y 49.31% Ad CTR Y/Y 13.55% (1.81%) CPC Y/Y -8.49% ($0.88)

9. Google Confidential and Proprietary 9 9 Colon Cleansing: Cross Platform Search Trends Source: Google internal search data, based on pre-categorised queries for the Colon Cleansing. Note: In-quarter metrics for Query Volume and Ad Depth are only available. 60% of all Searches are now on Mobile Devices Colon Cleansing: % of Queries by Device

10. Google Confidential and Proprietary 10 Google Confidential and Proprietary 10 Thank You!

11. Google Confidential and Proprietary 11 Google Confidential and Proprietary 11 Definitions Devices: –Overall: Devices across Google Search(Desktop, Mobile, Tablet) –Mobile = Overall – (Computers + Tablet) –Tablet = Overall – (Mobile + Computers) –Mobile is Mobile High End devices with a full browser –Tablet is Tablet devices with a full browser Metrics –Queries: Searches by users on Google Search –Impressions: AdWords ads shown against search queries on Google Search –Clicks: Clicks on AdWords ads –CPC: Cost per Click (Cost ÷ Clicks) –Ad CTR: Click-through Rate (Clicks ÷ Impressions)