Safe HarborThis presentation contains forward-looking statements, which are subject to the safe harbor provisions of thePrivate Securities Litigation Reform Act of 1995. All statements other than statements of historical factscontained in this presentation, including statements regarding our estimates of future stock-basedcompensation expense, are forward-looking statements. These forward-looking statements are onlypredictions and may differ materially from actual results due to a variety of factors, including variations in thefuture price of our common stock as well as future grants and forfeitures of equity awards. In addition, pleasenote that the date of this presentation is October 23, 2012, and any forward-looking statements containedherein are based on assumptions that we believe to be reasonable as of this date. We undertake no obligationto update these statements as a result of new information or future events.In addition to U.S. GAAP financials, this presentation includes certain non-GAAP financial measures. Thesenon-GAAP measures are in addition to, not a substitute for or superior to, measures of financial performanceprepared in accordance with U.S. GAAP. A reconciliation of non-GAAP financial measures to the correspondingGAAP measures is provided in the appendix to this presentation. Please also see the appendix to thispresentation for information concerning limitations of our key user metrics.
Monthly Active Users (MAUs)Millions of MAUs 1,007 Rest of World 955 Asia 901 845 288 Europe 800 268 US & Canada 739 245 680 225 207 608 183 550 161 277 133 234 255 196 212 126 174 156 138 113 229 239 246 253 201 212 221 167 183 144 154 163 169 176 179 183 186 189 Q310 Q410 Q111 Q211 Q311 Q411 Q112 Q212 Q312Please see Facebooks Form 10-Q for the quarter ended September 30, 2012 for definitions of user activity used to determine the number of our MAUs, DAUs andmobile MAUs. The number of MAUs, DAUs, and mobile MAUs do not include Instagram users unless such users would otherwise qualify as MAUs, DAUs, andmobile MAUs based on activity that is shared back to Facebook.In June 2012, we discovered an error in the algorithm we used to estimate the geographic location of our users that affected our attribution of certain userlocations for the first quarter of 2012. The first quarter of 2012 user metrics reflect a reclassification to more correctly attribute users by geographic region. 3
Daily Active Users (DAUs) 584Millions of DAUs 552 526 Rest of World 483 152 Asia 457 139 Europe 126 417 US & Canada 109 372 100 87 141 327 119 129 293 74 105 58 98 85 54 72 64 54 152 154 160 135 143 127 107 120 94 105 117 124 126 129 130 132 92 99 Q310 Q410 Q111 Q211 Q311 Q411 Q112 Q212 Q312DAUs / MAUs Q310 Q410 Q111 Q211 Q311 Q411 Q112 Q212 Q312 53% 54% 55% 56% 57% 57% 58% 58% 58%Please see Facebooks Form 10-Q for the quarter ended September 30, 2012 for definitions of user activity used to determine the number of our MAUs, DAUs andmobile MAUs. The number of MAUs, DAUs, and mobile MAUs do not include Instagram users unless such users would otherwise qualify as MAUs, DAUs, andmobile MAUs based on activity that is shared back to Facebook.For non-worldwide DAU user numbers presented for the periods marked March 31, 2012 and June 30, 2012, the figures represent an average of the first 25 daysof the period and the last 27 days of the period, respectively, due to the algorithm error described in the MAU note on slide 3. These average numbers do notmeaningfully differ from the average numbers when calculated over a full month. 4
Mobile Monthly Active Users (Mobile MAUs)Millions of Mobile MAUs 604 543 488 432