| • | | Revenue from iQIYI was RMB8.0 billion ($1.22 billion), increasing 4% year over year. |
Cost of revenues was RMB15.0 billion ($2.29 billion), increasing 2% year over year, primarily due to an increase in traffic acquisition costs and cost of goods sold, offset by a decrease in content costs and the amortization/impairment of intangible assets.
Selling, general and administrative expenses were RMB5.2 billion ($800 million), increasing 36% year over year, primarily due to an increase in channel spending and promotional expenses.
Research and development expense was RMB5.1 billion ($778 million), increasing 15% year over year, primarily related to personnel-related expenses.
Operating income was RMB2.8 billion ($426 million). Baidu Core operating income was RMB3.8 billion ($587 million), and Baidu Core operating margin was 19%. Non-GAAP operating income was RMB4.4 billion ($666 million). Non-GAAP Baidu Core operating income was RMB5.1 billion ($773 million), and non-GAAP Baidu Core operating margin was 25%.
Total other income, net was RMB23.8 billion ($3.63 billion), which included a fair value gain of RMB23.7 billion from long-term investments, mainly including a gain from the investment in Kuaishou Technology.
Income tax expense was RMB1.5 billion ($234 million), compared to RMB198 million last year, primarily due to the increase in profit before tax.
Net income attributable to Baidu was RMB25.7 billion ($3.92 billion), and diluted earnings per ADS was RMB73.76 ($11.26). Net income attributable to Baidu Core was RMB26.4 billion ($4.02 billion). Non-GAAP net income attributable to Baidu was RMB4.3 billion ($656 million), and non-GAAP diluted earnings per ADS was RMB12.38 ($1.89). Non-GAAP net income attributable to Baidu Core was RMB4.9 billion ($743 million).
Adjusted EBITDA was RMB5.9 billion ($901 million). Adjusted EBITDA for Baidu Core was RMB6.5 billion ($990 million) and adjusted EBITDA margin for Baidu Core was 32%.
As of March 31, 2021, cash, cash equivalents, restricted cash and short-term investments, net were RMB172.9 billion ($26.4 billion), and cash, cash equivalents, restricted cash and short- term investments excluding iQIYI were RMB159.6 billion ($24.37 billion). Free cash flow was RMB2.6 billion ($400 million), and free cash flow excluding iQIYI was RMB4.0 billion ($615 million).
Financial Guidance
For the second quarter of 2021, Baidu expects revenues to be between RMB29.7 billion ($4.5 billion) and RMB32.5 billion ($5.0 billion), representing a growth rate of 14% to 25% year over year, which assumes that Baidu Core revenue will grow between 20% and 33% year over year. This guidance does not include potential contribution from an acquisition of YY Live.
The above forecast reflects Baidu’s current and preliminary view, which is subject to substantial uncertainties.