The conservative talk-radio host has signed an estimated $400 million deal with Clear Channel Communications through 2016. Next month, Rush Limbaugh will celebrate the 20th anniversary of his radio show, “The Rush Limbaugh Show,” which is broadcast in more than 600 stations.  

His $225 million, none-year contract was due to expire in 2009.

Limbaugh said the deal would bring in $38 million a year and came with a nine-figure signing bonus, according to The New York Times. Specifics of the pact were no disclosed. A spokesman for the company said that they “don’t disclose the specific details on any talent agreements.”

“First and foremost I’m a businessman,” Limbaugh told the New York Times Magazine. The new deal is believed to be the most lucrative contract in radio since 2004, when Sirius Satellite Radio paid Howard Stern $500 million for five years, which factored in production, studio and staff costs. Limbaugh, “the best talent on the air in modern broadcasting,” as Michael Harrison, the editor of the radio industry publication Talkers Magazine named him, said his goal is to attract the largest possible audience.

“This is exactly where I want to be, doing what I was born to do, with an amazing audience and phenomenal support from affiliate stations and sponsors,” the conservative host said. “I’m having more fun than a human being should be allowed to have.”

The daily three-hour “The Rush Limbaugh Show” reaches about 20 million listeners weekly.