“We had a very strong start to 2013, with $14.0 billion in revenue, up 31% year-on-year,” said Larry Page, CEO of Google. “We are working hard and investing in our products that aim to improve billions of people's lives all around the world.” Google's First Quarter 2013 Results: Revenues of $13.97 Billion [investor.google.com]

Google Inc. reported consolidated revenues of $13.97 billion for the quarter ended March 31, 2013, an increase of 31% compared to the first quarter of 2012. Google Inc. reports advertising revenues, consistent with GAAP, on a gross basis without deducting traffic acquisition costs (TAC). In the first quarter of 2013, TAC totaled $2.96 billion, or 25% of advertising revenues.

Operating income, operating margin, net income, and earnings per share (EPS) are reported on a GAAP and non-GAAP basis. The non-GAAP measures, as well as free cash flow, an alternative non-GAAP measure of liquidity, are described below and are reconciled to the corresponding GAAP measures at the end of this release.