OREANDA-NEWS. National Rating Agency has affirmed its 'AAA' financial reliability rating on REGION Portfolio Investments LLC (Russian Cyrillic: ООО «РЕГИОН Портфельные инвестиции»). The outlook for the rating is Stable. The company was assigned NRA’s first-time ‘AA-’ rating on Nov. 5. 2004. The latest rating action (the ‘AAA’ rating affirmation with a stable outlook) was on Oct. 6, 2015.