ST. PETERSBURG, June 21 (Xinhua) -- A total of 1,060 agreements worth 6.3 trillion rubles (about 80.3 billion U.S. dollars) were signed at the 28th St. Petersburg International Economic Forum (SPIEF), Russian presidential advisor Anton Kobyakov said Saturday.

Kobyakov, who also serves as executive secretary of the SPIEF Organizing Committee, announced the figures at the forum's closing press conference.

He highlighted a renewed sense of optimism about restoring global business ties, noting that this year's forum drew delegates from over 100 countries and regions.

Held under the theme "Shared Values: The Foundation of Growth in a Multipolar World," the forum featured more than 350 events, including 24 business dialogues with key partner countries and regions.

Russian President Vladimir Putin delivered the keynote address during the forum's plenary session on Friday.

Kobyakov also announced that Saudi Arabia will be the guest country at SPIEF 2026.

First held in 1997, SPIEF has become one of Russia's most important international economic forums.