In the press release, Marathon cited "enhanced flexibility to pursue tailored strategies" as the chief cause behind the strategic move.
The marathon press performance began at 1pm and, after a dinner break, concluded at 10pm.
Putin's marathon press conferences have become something of a tradition, and more than 1,300 journalists were accredited this year.
Lebow asked Shorter to attend his only marathon press conference, held a few weeks before the October race.
But the Russian president conceded there were military intelligence officers operating in the country in a marathon press conference on Thursday.
While he said Christie had done "an excellent job" answering questions at Thursday's marathon press conference, McCain conceded that any further revelations might prove problematic.
I guess I should be in that camp: following Christie's marathon press conference, I noted that he was but one contradiction of his "I knew nothing" story away from oblivion.
The exchange was one of many surreal moments inflicted upon the nation during Putin's annual marathon press conference on Thursday, his first since returning to the presidency in May.
Further undermining any suspense was the fact that Rock has already made his opinions on the issue of exclusion in entertainment known, at length, most recently during the marathon press tour for his 2014 film, "Top Five".
When Vladimir Putin was asked at his annual marathon press conference whether he feared the possibility of a "palace revolution" at some point in the future, the Russian president cracked a smile.
