CORRECTED-UPDATE 5-Cliffs Natural says activist investor rejects offer to end proxy fight
(Corrects record date in paragraph 5 to March 14 from May 13)
* Offered to let Casablanca appoint 2 independent directors
* One director was to have been appointed by mutual agreement
* Postponing record date for annual shareholder meeting
* Casablanca denies making a postponement request
March 7 (Reuters) - The war of words between Cliffs Natural Resources Inc and Casablanca Capital escalated on Friday, after the activist investor rejected an offer to end a proxy battle to win control of the iron ore miner's board.
Casablanca, Cliffs' fifth-largest shareholder with a 5.2 percent stake, wants Chief Executive Gary Halverson gone, and the company to spin off its "riskier" international operations from cash-generating U.S. assets.
The hedge fund, which started its campaign in January, nominated six directors for election to Cliffs' 11-member board on Thursday.
Cliffs had offered to let Casablanca appoint two independent directors and a third director was to have been appointed on mutual agreement, the company said in a statement issued early Friday morning. Continued...