Viking Insurance Company of Wisconsin, which underwrites Dairyland’s non-standard auto business, filed a personal auto rate and rule update in Illinois that will reduce rates by an overall 20%. The filing was submitted on June 1 and takes effect for new business on June 22, 2026, and renewals on August 1, 2026.

The insurer indicated that the filing reflects a 21% indicated decrease and is expected to reduce written premium by approximately $1.18 million across a book of 3,056 policyholders. The affected program currently generates about $5.9 million in written premium.

As part of the filing, Viking is updating base rates, liability adjustment factors, policy type factors, and territory rating factors. The company is also transitioning from territory-based rating to territory code rating and introducing premium change caps of plus or minus 5%.

According to the filing, individual policy impacts will vary, with the largest increase capped at 77.8% and the largest decrease reaching 43.7%.