Income from operations.Our income from operations in the three months ended March 31, 2019 was RMB1,138.1 million (US$169.6 million), representing an 248.7% increase from RMB326.4 million in the same period in 2018.
Income tax expenses.Our income tax expenses increased significantly to RMB198.2 million (US$29.5 million) in the three months ended March 31, 2019 from RMB8.7 million in the same period in 2018, primarily attributable to an increase in taxable income and the changes in the preferential tax treatment that certain of our subsidiaries previously enjoyed.
Net income.Our net income totaled RMB949.6 million (US$141.5 million) in the three months ended March 31, 2019, up 200.7% from RMB315.8 million in the same period in 2018. Net income attributable to the Company’s shareholders per diluted share was RMB3.19 (US$0.48), compared with RMB0.95 in the three months ended March 31, 2018.
Adjusted net income.Our adjusted net income attributable to the Company’s shareholders, which excludes share-based compensation expenses, increased by 187.9% to RMB974.3 million (US$145.2 million) from RMB338.5 million in the same period in 2018. Adjusted net income attributable to the Company’s shareholders per diluted share increased to RMB3.27 (US$0.49) from RMB1.02 in the three months ended March 31, 2018.
Liquidity and Capital Resources
Our primary sources of liquidity have been cash provided by operating activities and funds provided by our shareholders, including through the issuance of equity securities, which have historically been sufficient to meet our working capital and substantially all of our capital expenditure requirements. In October 2017, we completed our initial public offering in which we issued and sold an aggregate of 35,625,000 ADSs, representing 35,625,000 Class A ordinary shares, resulting in net proceeds to us of approximately US$799.6 million.
In 2016, 2017, 2018 and the three months ended March 31, 2019, we had net cash provided by operating activities of RMB794.1 million, RMB2,797.8 million, RMB3,332.3 million (US$496.5 million) and RMB1,197.4 million (US$178.4 million), respectively.
As of March 31, 2019, we had cash and cash equivalents of RMB1,931.4 million (US$287.8 million), as compared to cash and cash equivalents of RMB2,501.1 million (US$372.7 million) as of December 31, 2018.
As of March 31, 2019, we had short-term amounts due from Alipay of RMB579.6 million (US$86.4 million), as compared to short-term amounts due from Alipay of RMB718.4 million (US$107.0 million) as of December 31, 2018. These represent amounts deposited in our Alipay accounts, and are unrestricted as to withdrawal and use and readily available to us on demand.
In January, February and March 2019, Xiamen Qudian, our consolidated VIE, entered into three term loans with China Construction Bank with an aggregate amount of RMB295.0 million (US$44.0 million). Each term loan has a fixed interest rate of 3.915% per annum and a term of 12 months. As a collateral for such borrowings, our subsidiary Qufengqi (HK) Limited has deposited US$50.2 million in a bank account designated by China Construction Bank. We receive interest on such deposits at rates ranging from 3.28% to 3.41% per annum.
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