Gazprom for vouchers. Fifteen percent of the stock was allocated to Gazprom employees. The state retained 40% of the shares. That amount was gradually lowered to thirty-eight percent. Trading of Gazprom's shares was heavily regulated. Foreigners were prohibited from owning more than nine-percent of the shares. In October 1996, 1% of Gazprom's equity was offered for sale to foreigners as Global Depository Receipts. In 1997, Gazprom offered a bond issue of US$2.5 billion. Chernomyrdin, as Prime Minister of Russia, ensured Gazprom avoided tight state regulation. Gazprom evaded taxes, and the Government of Russia received little in dividends. Gazprom managers and board
Gazprom Jorma Ollila, Chairman of the Board of Directors of Royal Dutch Shell signed in the presence of Putin and Mark Rutte prime minister of Netherlands a memorandum outlining the principles of cooperation within hydrocarbons exploration and development in the Arctic shelf and a section of the deep-water shelf. In 2008, Gazprom carried out of explorative well drilling; of 2D seismic and of 3D seismic survey. As a result, gas reserves grew by , and crude oil and gas condensate reserves grew by 61 million tons. Gazprom carries out prospecting and exploration in foreign countries such as India, Algeria, Venezuela, Vietnam,