We present the temperature (T) dependence of magnetic susceptibility (\chi ) and electrical resistivity (\rho ) of EuPt₂Si₂ under high pressure. The Neel temperature (T_N) is lowered with applying pressure. Above 2.5 GPa, the T_N is collapsed and the residual resistivity drops dramatically with pressure. However, there exists no evidence of the valence transition, which is observed as a clear peak in the \rho --T curve in EuNi₂Ge₂ under high pressure.

PACS numbers: 75.20.Hr, 75.30.Mb