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OTRC: 'The Office' to end after season 9

Rainn Wilson, John Krasinski and Ed Helms appear in a scene from 'The Office' in 2011. (Chris Haston / NBC)

NBC's Emmy-winning comedy series "The Office" is set to end after season 9, which premieres in September.

The website Deadline reported the news on Tuesday, August 21, quoting series developer and executive producer Greg Daniels as saying during a conference call: "It was a hard decision but this is going to be a real gangbuster season."

"It is true. This is our last season," cast member Angela Kinsey Tweeted, alongside a photo of a computer screen displaying the Deadline article. "We hope to give a real end to these characters we love to play."

Rainn Wilson, who plays sneaky office worker Dwight Schrute on the series and who is preparing for a spin-off, also weighed in on Twitter, saying: "A sad & interesting day on set as it was officially announced Season 9 would be the last for @TheOfficeNBC..."

NBC had no immediate official comment but the show's official Twitter page featured a link to a similar story by The Hollywood Reporter, which said Daniels made the announcement and will return as "The Office" showrunner for the final year, taking over from Paul Lieberstein.

Deadline quoted Daniels as saying that creative closure was the primary reason behind the decision to end the series and that he was surprised that NBC was "so supportive" about the move. "The Office" returns for its ninth season on September 20 and will air its final episode in May 2013, the outlet said.

The mockumentary-type show is based on a British series by Ricky Gervais and depicts the hijinks that ensue at a the Scranton, Pennsylvania branch of the fictional Dunder Mifflin Paper Company. Ratings for "The Office" have fallen since Steve Carell, who played boss Michael Scott, left the show in 2011.

James Spader then joined the series and left after one season. Cast member and show writer Mindy Kaling left the show after season 8 to star in her own series, "The Mindy Project," which premieres on FOX on September 25. Her colleague B.J. Novak departed as an "Office" series regular earlier this year.

Deadline quoted Daniels as saying that the identity of the documentary camera crew that had been filming the Dunder Mifflin Paper Company employees would be revealed by the end of the series finale.

The NBC series has won four Emmys, including "Outstanding Comedy Series" in 2006, and has been nominated 40 times. The series received no nods for this year's ceremony, which is set to take place on September 23, three days after the season 9 premiere.

It was announced in January that Wilson is set to reprise his "Office" role in a new spin-off series. The show, titled "The Farm," is scheduled to premiere in 2013 and will see Schrute living on a beet farm and running a bed & breakfast. Majandra Delfino, who starred in the WB show "Roswell" and the short-lived ABC Family sitcom "State of Georgia," was recently cast as his character's sister, Deadline reported.

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