For Philippine Elections 2010, the Commission on Elections (COMELEC) as of May 18, 2010 has already proclaimed all 12 senators even if canvassing of votes has yet to finish. According to COMELEC Chairman Jose Melo:
“The remaining votes that have not yet been received by the canvassing and and consolidation system of the National Board of Canvassers will not materially affect the votes obtained by the tenth up to the twelfth ranking winning candidates for Senator.”
Below are the set of 12 new senators-elect (highlighted) as proclaimed by the National Board of Canvassers (COMELEC en banc):

Philippine Elections 2010 - 12 Senators proclaimed | political party
So from what political party did our 12 new senators came from? Check this out:

From: Lakas-Kabalikat ng Malayang Pilipino-Christian Muslim Democrats (Lakas-Kampi-CMD)
  1. Ramon "Bong" Revilla Jr.
  2. Manuel "Lito" M. Lapid
From: Liberal Party (LP)
  1. Franklin M. Drilon
  2. Ralph G. Recto
  3. Teofisto "TG" Guingona III
From: Nacionalista Party (NP)
  1. Pilar Juliana "Pia" S. Cayetano
  2. Ferdinand "Bong-Bong" R. Marcos Jr.
From: Pwersa ng Masang Pilipino (PMP)
  1. Jinggoy E. Estrada
  2. Juan Ponce Enrile
From: People's Reform Party (PRP)
  1. Miriam P. Defensor-Santiago
From: Nationalist People's Coalition (NPC)
  1. Vicente "Tito" Sotto III
Independent/No political party affiliation:
  1. Sergio D. OsmeƱa III
And here are the list of 12 incumbent senators or members of the 14th Congress of the Philippines whose term will end 2013:
  1. Edgardo J. Angara - Laban ng Demokratikong Pilipino (LDP)
  2. Benigno Simeon C. Aquino III - Liberal Party (LP)
  3. Joker P. Arroyo - (Lakas-Kampi-CMD)
  4. Alan Peter S. Cayetano - Nacionalista Party (NP)
  5. Francis Joseph G. Escudero - Independent
  6. Gregorio B. Honasan II - Independent
  7. Panfilo M. Lacson - United Opposition (UNO)
  8. Loren B. Legarda - Nationalist People's Coalition (NPC)
  9. Francis N. Pangilinan - Liberal Party (LP)
  10. Antonio F. Trillanes IV - United Opposition (UNO)
  11. Manuel B. Villar, Jr. - Nacionalista Party (NP)
  12. Juan Miguel F. Zubiri - (Lakas-Kampi-CMD)