SAN FRANCISCO (CBS SF) — Uber is reportedly making financial moves that signal an eventual public offering of the ridesharing company.

Uber has been contacting banks in an effort to lock down a $1 billion credit line, the Wall Street Journal reported.

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The company has raised more than $2 billion in a fundraising push since last June, and could soon be valued at $50 billion.

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Large tech companies such as Facebook and Alibaba both sought large lines of credit shortly before going public.

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Uber has not yet responded to our request for a comment.