The heads of three opposition parties pledged on Thursday to strengthen their cooperation.

The meeting among Naoto Kan, president of the Democratic Party of Japan, Takenori Kanzaki, head of Shinto Heiwa (New Peace Party) and Ichiro Ozawa, head of the Liberal Party, took place following an agreement Wednesday on the legislative framework to reconstruct the nation's financial systems.

"We confirmed Wednesday's policy agreement," Kan told a news conference after the 20-minute meeting. "Based on that, we promised to cooperate further."

Although the three parties place more importance on cooperation than on improving the framework of their counterproposal to the government's financial stabilization bills, whether they will actually expand cooperation to other areas remains to be seen.