In his words, U.S. representatives have always been active at similar meetings held in Russia.
He stressed the importance of the summit-level agreement to resume Russia-U.S. discussions of international security issues.
The meeting continued behind closed doors.
Presidents Vladimir Putin and Barack Obama agreed on the G8 Lough Erne summit sidelines in June to resume the regular dialogue in the 2+2 format - the foreign and defense ministers - with regard to strategic stability, global security and common threats.
The annual meeting of senior security officials opened in Vladivostok on Tuesday. The event held under the aegis of the Russian Security Council will last through July 4. Delegates from 60 countries are attending the meeting, which is focused on international cooperation in the prevention of money laundering and main aspects of global and regional transport security.