HOUSTON (AP) — HOUSTON (AP) — Crown Castle International Corp. (CCI) on Wednesday reported a key measure of profitability in its second quarter. The results exceeded Wall Street expectations.

The Houston-based real estate investment trust said it had funds from operations of $488 million, or $1.13 per share, in the period.

The average estimate of four analysts surveyed by Zacks Investment Research was for funds from operations of $1 per share.

Funds from operations is a closely watched measure in the REIT industry. It takes net income and adds back items such as depreciation and amortization.

The company said it had net income of $94 million, or 22 cents per share.

The operator of wireless communications towers, based in Houston, posted revenue of $1.01 billion in the period, also surpassing Street forecasts. Four analysts surveyed by Zacks expected $992.9 million.

Crown Castle expects full-year funds from operations in the range of $4.53 to $4.65 per share.

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This story was generated by Automated Insights (http://automatedinsights.com/ap) using data from Zacks Investment Research. Access a Zacks stock report on CCI at https://www.zacks.com/ap/CCI