From the Pittsburgh Post-Gazette on Friday:

Horsehead Corp. has signed another six-month extension with Royal Dutch Shell as the energy company considers using a Monaca facility in Butler County as a site for an ethane cracker.

Ali Alavi, a senior vice president at Horsehead, which owns a metal plant currently occupying the 300-acre site in Monaca, said Shell didn't commit to making a decision within the next six months.

The extension isn't a surprise as Shell has been saying for months that its decision would not be bound by the June 30 expiration of its latest land option agreement with Horsehead.

Shell is looking at both the feasibility of that particular site and evaluating the overall market for an ethane cracker in the northeast.

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