There are three headlines in the memo below, which was sent to CNBC employees at 5:02pm today.

> CNBC's 9pm talk show Dennis Miller will cease to exist on Friday, May 13. A repeat of Mad Money will air in its place.

> CNBC is expanding its Business Day programming: A new business program -- details TBA -- will premiere at 7pm sometime in Q3.

> Business-related programming will air on CNBC up until 10pm ET/7pm PT, so people across the country will have access to business news during their business day -- a significant shift from the "work hard, play hard" philosophy of airing Conan repeats at 7pm ET.

Here is the memo from prez Mark Hoffman:

"I wanted to let you all know that we will be expanding our signature Business Day programming up to Primetime on the East Coast and will be adding an additional airing of "Mad Money with Jim Cramer" at 9 p.m. ET/PT. We will be introducing a new Business Day program at 7 p.m. ET sometime in the Third Quarter. I will share additional details about this program in the coming weeks. As the Business News Leader, it is incumbent upon us to ensure that our influential, out-of-home audience has access to our signature Business Day programming throughout their business day from coast to coast. I have spoken with Dennis Miller about these plans and he has let me know that his strong preference is to leave his program immediately. Therefore, the final episode of "Dennis Miller" will air this Friday, May 13. Dennis is an exceptionally talented comedian with an unmatched wit and he and his team consistently delivered a very entertaining program. I want to personally thank Dennis, Eddie Feldmann and their entire group. We are all very proud of their accomplishments and wish them nothing but the best for the future. "Late Night with Conan O'Brien" will continue to re-air on the network at 7 p.m. ET/PT until the launch of the above mentioned new program. "The Big Idea with Donny Deutsch" will remain at 10 p.m. ET/PT. CNBC is a trusted, real-time investor network and our viewers rely on us for actionable information wrapped in the most compelling business stories of the day. This announcement reinforces our commitment to delivering on that expectation and our mission. Mark"

Stay tuned...