X0202 4 2005-11-07 0000032017 ELKCORP ELK 0001073406 KAROL THOMAS D 14911 QUORUM DRIVE SUITE 600 DALLAS TX 75254-1491 1 1 0 0 Chairman of the Board and CEO Common Stock, $1 par value per share 2005-11-07 4 A 0 1900 0 A 110497 D Incentive Stock Option (Right to Buy) 28.39 2005-11-07 4 A 0 35550 28.39 A 2006-07-01 2015-06-30 Common Stock 35550 35550 D Performance Stock 2005-11-07 4 A 0 21750 A 2008-06-30 Common Stock 21750 21750 D Granted under the 2004 Amended and Restated ElkCorp Equity Incentive Compensation Plan. The stock vests 20% on October 31, 2006, and 20% annually thereafter until fully vested. Granted under the 2004 Amended and Restated ElkCorp Equity Incentive Compensation Plan. Approved by the Board of Directors on July 1, 2005, subject to a contingency which lapsed on November 7, 2005. Vests in three (3) equal annual increments, beginning July 1, 2006. 1-for-1 Maximum number of shares of common stock issuable if ElkCorp's total shareholder return (stock price appreciation assuming reinvestment of dividends) ("TSR") is at the 84th percentile of all NYSE-listed companies for a three-year performance cycle beginning July 1, 2005 and ending June 30, 2008. Less or no shares will be issued for TSR performance below such 84th percentile. Not applicable. Thomas D. Karol 2005-11-08