Specialty chemicals maker Westlake Chemical (NYSE:WLK) announced yesterday its third-quarter dividend of $0.225 per share, a 20% increase from the payout it made to investors last quarter of $0.1875 per share.

The board of directors said the quarterly dividend is payable on September 25 to the holders of record at the close of business on September 10. Westlake declared a special dividend of $3.75 per share that was paid to investors last November.

The regular dividend payment equates to a $0.80-per-share annual dividend, yielding 0.8% based on the closing price today of Westlake Chemical's stock.

WLK Dividend Chart

WLK Dividend data by YCharts. Chart reflects special dividend paid in November 2012.