*Today, producers of the 83rd Academy Awards announced that Halle Berry and Oprah Winfrey are among the first round of presenters confirmed for the ceremony, to be held Sunday, Feb. 27 at the Kodak Theatre in Los Angeles.

The list also includes Jeff Bridges, Sandra Bullock and Marisa Tomei.

The Awards, to be broadcast live on ABC, will be hosted by actors James Franco and Anne Hathaway. Nominations will be announced at the crack of dawn (5:30 a.m. PT) on Jan. 25.

Key Oscar dates leading up to the ceremony are listed below:

Wednesday, December 1, 2010: Official Screen Credits forms due
Monday, December 27, 2010: Nominations ballots mailed
Friday, January 14, 2011: Nominations polls close 5 p.m. PT
Tuesday, January 25, 2011: Nominations announced 5:30 a.m. PT, Samuel Goldwyn Theater
Wednesday, February 2, 2011: Final ballots mailed
Monday, February 7, 2011: Nominees Luncheon
Saturday, February 12, 2011: Scientific and Technical Awards presentation
Tuesday, February 22, 2011: Final polls close 5 p.m. PT
Sunday, February 27, 2011: 83rd Annual Academy Awards presentation