Operating income was RMB2.6 billion ($410 million). Baidu Core operating income was RMB2.5 billion ($398 million), and Baidu Core operating margin was 12%. Non-GAAP operating income was RMB4.0 billion ($630 million). Non-GAAP Baidu Core operating income was RMB3.7 billion ($581 million), and non-GAAP Baidu Core operating margin was 17%.
Total other loss, net was RMB3.0 billion ($466 million), which mainly included a fair value loss of RMB3.0 billion from long-term investments. A significant portion of long-term investments, including but not limited to investments in equity securities of public and private companies, private equity funds and digital assets, is subject to quarterly fair value adjustments, which may contribute to net income volatility in future periods.
Income tax expense was RMB391 million ($62 million), decreasing 75% year over year, primarily due to a decrease in profit before tax and an increase in deduction on certain expenses that were previously considered non-deductible.
Net loss attributable to Baidu was RMB885 million ($140 million), and diluted loss per ADS was RMB2.87 ($0.45). Net loss attributable to Baidu Core was RMB963 million ($152 million). Non- GAAP net income attributable to Baidu was RMB3.9 billion ($612 million). Non-GAAP diluted earnings per ADS was RMB11.22 ($1.77). Non-GAAP net income attributable to Baidu Core was RMB3.8 billion ($600 million), and non-GAAP net margin for Baidu Core was 18%.
Adjusted EBITDA was RMB5.5 billion ($867 million) and adjusted EBITDA margin was 19%. Adjusted EBITDA for Baidu Core was RMB5.1 billion ($805 million) and adjusted EBITDA margin for Baidu Core was 24%.
As of March 31, 2022, cash, cash equivalents, restricted cash and short-term investments were RMB191.0 billion ($30.13 billion), and cash, cash equivalents, restricted cash and short- term investments excluding iQIYI were RMB185.8 billion ($29.31 billion). Free cash flow was negative RMB107 million ($17 million), and free cash flow excluding iQIYI was RMB1.1 billion ($175 million).
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