Azerbaijan increased natural gas supplies to Europe through the Trans-Adriatic Pipeline (TAP), a segment of the Southern Gas Corridor, from its giant Shan Deniz offshore gas field by 42 percent in April compared to March, TAP said.

Azerbaijan shipped 253,076 tonnes of oil via Russia in January-April this year, Russia's Central Dispatch Office of the Fuel and Energy Complex, said in a report.

Azerbaijan's State Oil Fund's (SOFAZ) said it had reduced investments in bonds and currencies by 4.7 percent year-on-year to 64 percent in its investment portfolio in the first quarter of this year.