Exhibit 99.1

	NEWS RELEASE
RLI Corp.	9025 N. Lindbergh Drive  |  Peoria, IL 61615-1431
	P: 309-692-1000  |  F: 309-692-1068  |  www.rlicorp.com

FOR IMMEDIATE RELEASE	CONTACT: John Robison
	(309) 693-5846
	John.Robison@rlicorp.com
	www.rlicorp.com

RLI Declares Dividend

PEORIA, ILLINOIS, August 19, 2010, RLI Corp. (NYSE:RLI) — The RLI Corp. Board of Directors has declared a third quarter cash dividend of $0.29 per share, the same amount as the prior quarter.  The dividend is payable on October 15, 2010 to shareholders of record as of September 30, 2010.

RLI has paid dividends for 137 consecutive quarters and increased dividends in each of the last 35 years.

The company’s dividend yield would be 2.19%, based on the $1.16 indicated annual dividend and today’s closing stock price of $52.98.

RLI is a specialty insurance company serving niche or underserved markets. With a diverse portfolio of property and casualty coverages and surety bonds, it has achieved an underwriting profit in 29 of the last 33 years, including the last 14. RLI and subsidiaries — RLI Insurance Company, Mt. Hawley Insurance Company and RLI Indemnity Company — are rated A+ “Superior” by A.M. Best Company and A+ “Strong” by Standard & Poor’s. RLI operates in all 50 states from office locations across the country.

For additional information, contact RLI Treasurer & Chief Investment Officer John Robison at (309) 693-5846 or at john.robison@rlicorp.com or visit our website at www.rlicorp.com.

###