PEORIA, Ill. (AP) — The insurance firm RLI Corp. has announced a $15 million addition to its headquarters in Peoria.

The Journal Star reports (http://bit.ly/1ExB2yy ) that RLI chairman and CEO Jonathan Michael made the announcement on Monday. He called it the "next phase of renovation" after the company completed a $20 million facelift in 2013.

The latest construction will include a new building and reroute a roadway. Work is scheduled to be finished in 2016.

RLI Corp. recently marked its 50th anniversary. The insurance firm earned $189 million last year.

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Information from: Journal Star, http://pjstar.com