RLI Selects ISI�s WebWriter Cargo to Launch New Marine Division

November 11, 2005 (Toronto, Ontario/Peoria, Illinois) – Specialty insurer RLI (NYSE:RLI) has announced the selection of the WebWriter(TM) Cargo software solution from Insurance
Systems Inc. (ISI) of Toronto for policy processing and certificate issuance in RLI�s new marine division.

Branded “MarineExpress,” the system allows RLI Marine’s brokers and clients to transact business over the web, including new business quotes, credit card transactions for certificate purchases, as well as reporting and other account services.

RLI Marine president, Robert Schauer, commented “WebWriter was the best cargo software solution available to meet RLI Marine’s needs. We are very pleased with the level of customer service and expertise demonstrated by ISI. They really know their business, which allows us to focus on ours.”

The latest version of WebWriter Cargo includes tools to enforce internal Sarbanes-Oxley compliance as well as interfaces with the Office of Foreign Asset Control (OFAC), Specially Designated Nationals (SDN), Blocked Persons List, as well as the Lloyd’s Register – Fairplay database of ocean-going vessels.

“Launching the marine business with an application like WebWriter Cargo in place will give RLI a real competitive advantage” commented Terry Neilson, CEO of ISI, “We are extremely excited to work with the team of marine experts RLI has assembled.”

About RLI

RLI, a specialty insurance company celebrating its 40th anniversary in 2005, offers a diversified portfolio of property and casualty coverages and surety bonds serving “niche” or underserved markets. RLI operates in all 50 states from 23 office locations. The company’s talented associates have delivered underwriting profits in 24 of the last 28 years, including the last nine. RLI’s insurance 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. For additional information about RLI, contact Vice President, Corporate Development Aaron Jacoby at (309) 693-5880 or at aaron_jacoby@rlicorp.com.

About Insurance Systems Inc.

Recognized as one of Canada’s fastest growing companies on the 2004 edition of the Profit 100 list, Insurance Systems Inc. (ISI) was founded in 1997 to design and build leading-edge software solutions for property and casualty insurers. Clients include multinational insurers in North America, Europe, the Middle East and the Caribbean. The company is headquartered in Toronto, Ontario with branch offices in Montreal, Quebec and Trinidad & Tobago. For more information, visit www.insurancesystems.ca or contact Dave Hanley at (416) 249-2260 Ext. 315.